CN216200288U - Wear-resistant plastic gear - Google Patents
Wear-resistant plastic gear Download PDFInfo
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- CN216200288U CN216200288U CN202122712202.7U CN202122712202U CN216200288U CN 216200288 U CN216200288 U CN 216200288U CN 202122712202 U CN202122712202 U CN 202122712202U CN 216200288 U CN216200288 U CN 216200288U
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- end cover
- wear
- screw
- plastic gear
- gear
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Abstract
The utility model provides a wear-resistant plastic gear, which comprises a plastic gear body, wherein the plastic gear body comprises an end cover, a gear main body, a screw and an inner hole, a second external tooth is arranged on the outer side of the gear main body, a steel sheet is embedded on one side of the second external tooth, an end cover is installed at one end of the gear main body, the surface of the end cover is provided with a first external tooth, the outer side of the end cover is provided with a reinforcing rib, one end of the end cover is provided with a screw, the screw is fixed by a nut, an inner hole is arranged in the middle of the end cover, the screw is arranged in the threaded hole, an oil storage tank is arranged on the outer side of the threaded hole, an oil injection channel is arranged on one side of the oil storage tank, the wear-resistant plastic gear can effectively improve the wear-resistant degree, has long service life, reduces the replacement cost, has good lubricating effect and has the function of automatically adding and supplementing lubricating oil.
Description
Technical Field
The utility model relates to the technical field of plastic gears, in particular to a wear-resistant plastic gear.
Background
Plastic gears, which are toothed mechanical parts that can be engaged with each other, are used in a wide variety of fields, including mechanical transmission and the whole mechanical field.
But in the higher application scene of repeatability mechanical motion intensity, plastic gear leads to the wearability relatively poor because of its material nature, and life is lower, and the external tooth part receives wearing and tearing back, needs to be changed, in order to ensure to continue the continuous operation, on the other hand, to the gear that plays the transmission effect, need scribble lubricating oil on the inner hole wall with the dead lever contact of centre, but to thicker gear, scribble lubricating oil from the outside and often difficultly permeate to the inside, thereby can't give play to the lubrication effect completely, increased frictional force, but add the lubricating oil more frequently, increased the maintenance frequency.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a wear-resistant plastic gear to solve the problems in the background art, and the plastic gear has the advantages of effectively improving the wear-resistant degree, long service life, reducing the replacement cost, good lubricating effect and having the function of automatically adding lubricating oil.
In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a stand wear and tear plastic gear, includes the plastic gear body, the plastic gear body includes end cover, gear main part, screw and hole, the outside of gear main part is provided with external tooth two, one side of external tooth two is inlayed and is equipped with the steel sheet, the end cover is installed to the one end of gear main part, the surface of end cover is provided with external tooth one, the outside of end cover is provided with the strengthening rib, the screw is installed to the one end of end cover, the screw is fixed through the nut, the centre of end cover is provided with the hole, the inside at the screw hole is installed to the screw, the oil storage tank has been seted up in the outside of screw hole, the oiling passageway has been seted up to one side of oil storage tank.
In a preferred embodiment of the present invention, the oil reservoir is communicated with the inner hole through an oil filling channel on one side.
In a preferred embodiment of the present invention, the diameter of the threaded hole is smaller than the diameter of the oil reservoir, and the diameter of the oil reservoir is smaller than the outer width of the nut.
In a preferred embodiment of the present invention, the first external teeth and the second external teeth have the same size, and the tooth profiles of the first external teeth and the second external teeth are aligned with each other.
In a preferred embodiment of the utility model, the steel sheet is only embedded on one side of each second outer tooth in the same direction, the surface of the steel sheet is flush with the surface of the second outer tooth, and one end of the steel sheet abuts against one end of the first outer tooth.
In a preferred embodiment of the present invention, the oil filling passage has a diameter gradually enlarged in a direction extending from the oil reservoir toward the inner hole.
The utility model has the beneficial effects that: the wear-resistant plastic gear comprises a plastic gear body, wherein the plastic gear body comprises an end cover, an external tooth I, a reinforcing rib, an inner hole, a screw, a gear main body, a steel sheet, a threaded hole, an oil storage groove, an oil injection channel, an external tooth II and a nut.
1. This stand wear and tear plastic gear has possessed the low-cost low weight's of plastic material characteristics simultaneously, when the steel sheet loss of being qualified for the next round of competitions needs to be changed, takes off the end cover and can take out the steel sheet that receives wearing and tearing and change, need not change whole gear to the cost of later stage maintenance has been reduced.
2. This stand wear and tear plastic gear is through improving holistic intensity with the strengthening rib, ensures the stability when rotating.
3. This wear-resistant plastic gear has reduced the frequency of adding lubricating oil, and has reduced the evaporation rate of lubricating oil, compares in smearing lubricating oil from the outside, and this structure can add from inside, can realize quick infiltration effect to the contact surface of depths.
Drawings
FIG. 1 is a front view of a wear-resistant plastic gear according to the present invention;
FIG. 2 is a schematic side view of a wear-resistant plastic gear according to the present invention;
FIG. 3 is a schematic structural view of a portion of an outer tooth of a wear-resistant plastic gear according to the present invention;
FIG. 4 is a front cross-sectional view of a gear body portion of a wear resistant plastic gear of the present invention;
in the figure: 1. an end cap; 2. a first external tooth; 3. reinforcing ribs; 4. an inner bore; 5. a screw; 6. a gear body; 7. a steel sheet; 8. a threaded hole; 9. an oil storage tank; 10. an oil injection channel; 11. a second external tooth; 12. and a nut.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a stand wear and tear plastic gear, includes the plastic gear body, the plastic gear body includes end cover 1, gear main part 6, screw 5 and hole 4, the outside of gear main part 6 is provided with two 11 of external teeth, one side of two 11 of external teeth is inlayed and is equipped with steel sheet 7, end cover 1 is installed to the one end of gear main part 6, the surface of end cover 1 is provided with external tooth one 2, the outside of end cover 1 is provided with strengthening rib 3, screw 5 is installed to the one end of end cover 1, screw 5 is fixed through nut 12, the centre of end cover 1 is provided with hole 4, screw 5 is installed in the inside at screw hole 8, oil storage tank 9 has been seted up in the outside of screw hole 8, oiling passageway 10 has been seted up to one side of oil storage tank 9.
In a preferred embodiment of the present invention, the oil storage tank 9 is communicated with the inner hole 4 through the oil filling channel 10 on one side, and lubricating oil is continuously filled into the inner hole 4 through the oil filling channel 10.
In a preferred embodiment of the present invention, the diameter of the threaded hole 8 is smaller than the diameter of the oil reservoir 9, and the diameter of the oil reservoir 9 is smaller than the outer width of the nut 12, so that the nut 12 can be used as a sealing cover to seal the oil reservoir 9.
In a preferred embodiment of the present invention, the external teeth one 2 and the external teeth two 11 have the same size, and the tooth profiles of the external teeth one 2 and the external teeth two 11 are aligned with each other, so that the gear can be used as a complete gear after being installed.
In a preferred embodiment of the utility model, the steel sheet 7 is only embedded on one side of each second external tooth 11 in the same direction, the surface of the steel sheet 7 is flush with the surface of the second external tooth 11, one end of the steel sheet 7 abuts against one end of the first external tooth 2, and the steel sheet 7 is fixed in a blocking mode through the end cover 1.
In a preferred embodiment of the present invention, the diameter of the oil filling passage 10 is gradually increased in a direction extending from the oil reservoir 9 to the inner hole 4, and one end of the inner hole can limit the inflow speed of the lubricating oil to prolong the time of filling.
The working principle is as follows: the wear-resistant plastic gear consists of an end cover 1, a gear main body 6, a screw 5 and an inner hole 4, the gear is mainly used as a middle transmission gear, only is arranged on the surface of a fixed rod, and is meshed with other driving wheels to realize rotation, and a shaft penetrating in synchronous belt cannot rotate, when in installation, the inner hole 4 of the gear is directly sleeved on a fixed column and is connected with two driving gears and a driven gear to realize transmission use, a steel sheet 7 is embedded on one side of an outer tooth II 11 of the gear, the surface of the steel sheet 7 is level with the tooth profile of the outer tooth II 11, and then the end cover 1 is partially sealed, when in use, the steel sheet 7 is meshed with an external gear to avoid directly contacting with a plastic part, so that the effect of reducing wear consumption is realized, the service life is prolonged, and the plastic gear has the characteristics of low cost and low weight of a plastic material, when the wire outlet loss of the steel sheet 7 needs to be replaced, the end cover 1 is taken down, the abraded steel sheet 7 can be taken out for replacement, and the whole gear does not need to be replaced, so that the cost of later maintenance is reduced, the plastic gear is fixedly arranged at one end of the gear main body 6 by the end cover 1 part through the screw 5 and the nut 12, the first external teeth 2 and the second external teeth 11 can be aligned, the whole strength is improved by the reinforcing rib 3, the stability in rotation is ensured, the plastic gear is provided with an oil storage groove 9 area with the diameter larger than that of the threaded hole 8 in the threaded hole 8, lubricating oil needing to be supplemented is poured into the oil storage groove 9, then the screw 5 and the nut 12 are screwed, the screw 5 is utilized to play a role of a sealing cover, the lubricating oil in the oil storage groove 9 is prevented from flowing out, when the gear runs, the lubricating oil in the oil storage groove 9 can flow into the inner hole 4 from the oil filling channel 10, and the inside cover of hole 4 is on the surface of fixed column to can make lubricating oil soak on fixed column and 4 inner walls of hole, and can last play the lubrication action in long-time operation process, reduced the frequency of adding the lubricating oil, and reduced the evaporation rate of lubricating oil, compare in smearing lubricating oil from the outside, this structure can add the benefit from inside, can realize quick infiltration effect to the contact surface of depths.
While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a stand wear and tear plastic gear, includes the plastic gear body, its characterized in that: the plastic gear body comprises an end cover (1), a gear main body (6), a screw (5) and an inner hole (4), the outer side of the gear body (6) is provided with a second external tooth (11), one side of the second external tooth (11) is embedded with a steel sheet (7), an end cover (1) is installed at one end of the gear body (6), external teeth I (2) are arranged on the surface of the end cover (1), a reinforcing rib (3) is arranged on the outer side of the end cover (1), a screw (5) is arranged at one end of the end cover (1), the screw (5) is fixed through a nut (12), an inner hole (4) is arranged in the middle of the end cover (1), screw (5) are installed in the inside of screw hole (8), oil storage tank (9) have been seted up in the outside of screw hole (8), oiling passageway (10) have been seted up to one side of oil storage tank (9).
2. A wear-resistant plastic gear according to claim 1, wherein: the oil storage tank (9) is communicated with the inner hole (4) in the middle through an oil filling channel (10) on one side.
3. A wear-resistant plastic gear according to claim 1, wherein: the diameter of the threaded hole (8) is smaller than that of the oil storage groove (9), and the diameter of the oil storage groove (9) is smaller than the outer width of the nut (12).
4. A wear-resistant plastic gear according to claim 1, wherein: the size specification of the first external teeth (2) is the same as that of the second external teeth (11), and the tooth profiles of the first external teeth (2) and the second external teeth (11) are aligned with each other.
5. A wear-resistant plastic gear according to claim 1, wherein: the steel sheet (7) is only embedded on one side of each outer tooth I (11) in the same direction, the surface of the steel sheet (7) is flush with the surface of each outer tooth I (11), and one end of the steel sheet (7) abuts against one end of each outer tooth I (2).
6. A wear-resistant plastic gear according to claim 1, wherein: the diameter of the oil filling channel (10) is gradually enlarged in the direction extending from the oil storage groove (9) to the inner hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122712202.7U CN216200288U (en) | 2021-11-08 | 2021-11-08 | Wear-resistant plastic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122712202.7U CN216200288U (en) | 2021-11-08 | 2021-11-08 | Wear-resistant plastic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200288U true CN216200288U (en) | 2022-04-05 |
Family
ID=80904734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122712202.7U Active CN216200288U (en) | 2021-11-08 | 2021-11-08 | Wear-resistant plastic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200288U (en) |
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2021
- 2021-11-08 CN CN202122712202.7U patent/CN216200288U/en active Active
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