CN214274442U

CN214274442U - Oil-saving open chain lubricating device

Info

Publication number: CN214274442U
Application number: CN202023300380.0U
Authority: CN
Inventors: 易明理
Original assignee: Changsha Runke Automation Technology Co ltd
Current assignee: Changsha Runke Automation Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-24
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an oil-saving open chain lubricating device, which comprises a driven chain wheel shaft and a driven chain wheel; the driven chain wheel shaft is hollow and forms a main oil path, and the outer side surface of the driven chain wheel shaft is provided with an oil outlet communicated with the main oil path; the center of the driven sprocket is provided with a shaft hole, the side of the driven sprocket extends laterally to form a convex part, a plurality of radial oil paths distributed around the circumference of the center of the shaft hole are formed in the convex part, the radial oil paths penetrate through the outer circumferential side surface of the convex part and are communicated with the shaft hole, and the shaft of the driven sprocket penetrates through the shaft hole and is in clearance fit with the shaft hole. Through set up the main oil circuit on driven sprocket shaft to the cooperation sets up radial oil circuit on driven sprocket, can ensure lubricated oiling point at every turn all be in the round pin hub connection department that needs lubricate, can not cause invalid lubrication, and this device is work when chain drive, so need not stop specially and carry out solitary chain lubrication work, bring the facility for the use.

Description

Oil-saving open chain lubricating device

Technical Field

The utility model belongs to the technical field of the chain technique and specifically relates to indicate an open chain lubricating arrangement of type that economizes on fuel.

Background

In various chain transmission mechanisms, it is often necessary to add lubricating oil to the chain in order to allow the chain to run smoothly. In the prior engineering case, two lubrication modes of oil dripping and oil brushing are mainly used for lubricating various open chains, the two methods cover grease on the whole chain, most of the grease is wasted on an ineffective lubrication point, and the chain only needs to be lubricated by the grease at the pin shaft part at the joint of chain links. Therefore, there is a need to develop a solution to the above problems.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to an oil-saving open chain lubrication device, which can effectively add lubricating oil to a chain.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an oil-saving open chain lubricating device comprises a driven chain wheel shaft and a driven chain wheel; the driven chain wheel shaft is hollow and forms a main oil path, and the outer side surface of the driven chain wheel shaft is provided with an oil outlet communicated with the main oil path; the center of the driven sprocket is provided with a shaft hole, a convex part extends out of the side of the driven sprocket, a plurality of radial oil paths distributed around the circumference of the center of the shaft hole are formed in the convex part, the radial oil paths penetrate through the outer circumference side of the convex part and are communicated with the shaft hole, the driven sprocket shaft penetrates through the shaft hole and is in clearance fit with the shaft hole, the driven sprocket rotates relative to the driven sprocket shaft, the oil outlet is communicated with the inner ends of the radial oil paths in turn, and the outer end of the radial oil path is provided with an oil outlet nozzle.

Preferably, the main oil passage penetrates both end surfaces of the driven sprocket shaft.

Preferably, convex parts extend from two sides of the driven sprocket, a plurality of radial oil paths are formed in each convex part, correspondingly, two oil outlets are formed in the outer side surface of the driven sprocket shaft, and the two oil outlets are respectively matched with the corresponding radial oil paths.

Preferably, the radial oil passages are arranged at equal angles (N is the number of teeth of the sprocket).

Preferably, the driven sprocket is clamped and positioned on the driven sprocket shaft to rotate through two end faces of the sprocket shaft.

Preferably, the driven sprocket is an N-tooth sprocket (N is determined according to the field lubrication requirement), and the radial oil path is located at the middle line position between two adjacent sprocket teeth.

Preferably, the driven chain wheel shaft is a split type driven chain wheel shaft, and the driven chain wheel is clamped and positioned by the two driven chain wheel shafts.

Preferably, both ends of the central shaft hole of the chain wheel are provided with oil seal mounting positions.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through set up the main oil circuit on driven sprocket shaft to the cooperation sets up radial oil circuit on driven sprocket, can ensure lubricated oiling point at every turn all be in the round pin hub connection department that needs lubricate, can not cause invalid lubrication, and this device is work when chain drive, so need not stop specially and carry out solitary chain lubrication work, bring the facility for the use.

To more clearly illustrate the structural features and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic structural diagram of a first preferred embodiment of the present invention;

FIG. 2 is an axial cross-sectional view of the driven sprocket shaft according to the first preferred embodiment of the present invention;

FIG. 3 is a radial cross-sectional view of the driven sprocket shaft in accordance with the first preferred embodiment of the present invention;

FIG. 4 is a radial cross-sectional view of the driven sprocket in the first preferred embodiment of the present invention;

FIG. 5 is a radial cross-sectional view of the driven sprocket in the first preferred embodiment of the present invention;

FIG. 6 is an axial partial cross sectional view of the driven sprocket in accordance with the first preferred embodiment of the present invention;

fig. 7 is a sectional view of the split driven sprocket shaft according to the first preferred embodiment of the present invention.

The attached drawings indicate the following:

10. driven sprocket shaft 11, main oil circuit

12. Oil outlet hole 20 and driven sprocket

21. Axial hole 22, boss

23. Radial oil path 24 and oil outlet nozzle

25. Oil seal mounting position

Detailed Description

Referring to fig. 1 to 4, a first preferred embodiment of the present invention is shown, which includes a driven sprocket shaft 10 and a driven sprocket 20.

The driven sprocket shaft 10 is hollow and is provided with a main oil path 11, and the outer side surface of the driven sprocket shaft 10 is provided with an oil outlet 12 communicated with the main oil path 11; in the present embodiment, the main oil passage 11 may extend through both end surfaces of the driven sprocket shaft 10, or may extend through one end surface thereof, so that the main oil passage 11 is connected to an external lubrication line.

The driven sprocket 20 has a shaft hole 21 in the center, a convex portion 22 extends laterally from a side surface of the driven sprocket 20, a plurality of radial oil passages 23 are formed in the convex portion 22 and arranged around the center circumference of the shaft hole 21, the radial oil passages 23 penetrate through the outer circumferential side surface of the convex portion 22 and are communicated with the shaft hole 21, the driven sprocket shaft 10 penetrates through the shaft hole 21 and is in clearance fit with the shaft hole 21, the driven sprocket 20 rotates relative to the driven sprocket shaft 10, the oil outlet 12 is alternately communicated with the inner ends of the plurality of radial oil passages 23, and the outer end of the radial oil passage 23 is provided with an oil outlet 24. The driven sprocket 20 is a six-tooth sprocket.

In the present embodiment, the driven sprocket 20 is positioned on the driven sprocket shaft 10 to rotate by a positioning clamp spring (not shown); six radial oil passages 23 are arranged at equal angles; convex parts 22 extend from both sides of the driven sprocket 20, a plurality of radial oil passages 23 are formed in each convex part 22, correspondingly, two oil outlets 12 are formed on the outer side surface of the driven sprocket shaft 10, and the two oil outlets 12 are respectively matched with the corresponding radial oil passages 23.

Detailed description the working principle of the present embodiment is as follows:

during the use, driven sprocket 20 installs on the chain and rotates along with the drive of chain, and outside lubrication pipe says that main oil circuit 11 pours into lubricating oil into, and lubricating oil from oil outlet 12 output entering corresponding radial oil circuit 23, then on the round pin hub connection department of dropping on the chain from corresponding oil outlet 24, driven sprocket 20 along with the chain rotation in-process, only driven sprocket 20 and driven sprocket axle 10 can switch on at specific position, so can control oiling point position.

Referring to fig. 5 to 7, a specific structure of a second preferred embodiment of the present invention is shown, which is basically the same as the specific structure of the first preferred embodiment, except that:

the driven chain wheel shaft 10 is a split type driven chain wheel shaft, and the driven chain wheel 20 is clamped and positioned by the two driven chain wheel shafts 10. The driven sprocket 20 is a three-tooth sprocket, and the radial oil path 23 is positioned at the middle line position between two adjacent sprocket teeth; and, both ends of said shaft hole 21 are equipped with the oil seal mounting position 25, in order to be used for installing and fixing the oil seal, realize the oil circuit is sealed.

The utility model discloses a design key is: through set up the main oil circuit on driven sprocket shaft to the cooperation sets up radial oil circuit on driven sprocket, can ensure lubricated oiling point at every turn all be in the round pin hub connection department that needs lubricate, can not cause invalid lubrication, and this device is work when chain drive, so need not stop specially and carry out solitary chain lubrication work, bring the facility for the use.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An oil-saving open chain lubricating device is characterized in that: comprises a driven chain wheel shaft and a driven chain wheel; the driven chain wheel shaft is hollow and forms a main oil path, and the outer side surface of the driven chain wheel shaft is provided with an oil outlet communicated with the main oil path; the center of the driven sprocket is provided with a shaft hole, a convex part extends out of the side of the driven sprocket, a plurality of radial oil paths distributed around the circumference of the center of the shaft hole are formed in the convex part, the radial oil paths penetrate through the outer circumference side of the convex part and are communicated with the shaft hole, the driven sprocket shaft penetrates through the shaft hole and is in clearance fit with the shaft hole, the driven sprocket rotates relative to the driven sprocket shaft, the oil outlet is communicated with the inner ends of the radial oil paths in turn, and the outer end of the radial oil path is provided with an oil outlet nozzle.

2. The oil-saving open chain lubrication device according to claim 1, wherein: the main oil path penetrates through two end faces of the driven chain wheel shaft.

3. The oil-saving open chain lubrication device according to claim 1, wherein: convex parts are extended from two sides of the driven sprocket, a plurality of radial oil paths are formed in each convex part, correspondingly, two oil outlets are formed in the outer side surface of the driven sprocket shaft, and the two oil outlets are respectively matched with the corresponding radial oil paths.

4. The oil-saving open chain lubrication device according to claim 1, wherein: the radial oil paths are six in equal-angle arrangement and are located at the position of the middle line of any two adjacent sprockets.

5. The oil-saving open chain lubrication device according to claim 1, wherein: the driven chain wheel is clamped and positioned on the driven chain wheel shaft to rotate through two end faces of the chain wheel shaft.

6. The oil-saving open chain lubrication device according to claim 1, wherein: the number of the driven chain wheel teeth can be adjusted according to different lubricating effects, and the radial oil way is located at the position of a middle line between every two adjacent chain wheel teeth.

7. The oil-saving open chain lubrication device according to claim 1, wherein: the driven chain wheel shaft is a split type driven chain wheel shaft, and the driven chain wheels are clamped and positioned by the two driven chain wheel shafts.

8. The oil-saving open chain lubrication device according to claim 1, wherein: and axial skeleton oil seal mounting positions are arranged at two ends of the driven sprocket shaft hole.