CN218480134U - Inner gear ring - Google Patents
Inner gear ring Download PDFInfo
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- CN218480134U CN218480134U CN202222654304.2U CN202222654304U CN218480134U CN 218480134 U CN218480134 U CN 218480134U CN 202222654304 U CN202222654304 U CN 202222654304U CN 218480134 U CN218480134 U CN 218480134U
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- ring body
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Abstract
The utility model discloses an inner gear ring, include: the ring body is provided with a mounting through hole, the inner side of the ring body is provided with gear rings with teeth, grooves are formed between the two gear rings which are distributed oppositely and the inner wall of the ring body, the outer wall of the ring body is provided with oil filling holes, and oil guide channels are arranged between the oil filling holes and the grooves. The utility model discloses novel structure, lubricating oil adds the convenience, need not to refuel the lubrication alone to each tooth, has reduced the intensity of lubricated operation, and is laborsaving convenient.
Description
Technical Field
The utility model belongs to the technical field of the ring gear, especially, relate to a ring gear.
Background
The electric speed reducer is a speed reducer combined by a motor and a speed reducer, and an inner gear ring belongs to an important part for realizing mechanical stable transmission in the speed reducer.
The ring gear used for the electric speed reducer at present has the following defects: lubricating oil needs to be added to the gear teeth one by one, the number of the gear teeth is large, the operation intensity is high, and the lubricating oil is inconvenient to add. The prior patent document discloses a 'one-type ring gear' (publication number: CN 110131383A), which has the problem that lubricating oil is difficult to add to the gear teeth of an inner ring, so that the gear teeth are quickly worn and the service life is short.
Disclosure of Invention
The utility model discloses aim at solves the above-mentioned technical problem who exists among the prior art, provides an inner gear ring, novel structure, and lubricating oil adds the convenience, need not to refuel the lubrication alone to each tooth, has reduced the intensity of lubricated operation, and is laborsaving convenient.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an annular gear, comprising: the circle body is equipped with installation through-hole, its characterized in that on the circle body: the inner side of the ring body is provided with a gear ring with teeth, a groove is formed between the two gear rings which are distributed oppositely and the inner wall of the ring body, the outer wall of the ring body is provided with an oil filling hole, and an oil guide channel is arranged between the oil filling hole and the groove. The inner gear ring is novel in structure, lubricating oil is convenient to add, oil is not required to be independently added to each tooth for lubrication, the intensity of lubrication operation is reduced, and the inner gear ring is labor-saving and convenient.
Furthermore, the gear ring is provided with a protruding portion matched with the inner hole of the ring body, the protruding portion is fixedly connected with the ring body, the gear ring is quickly positioned on the ring body through the protruding portion, the butt joint difficulty is reduced, then the protruding portion and the ring body are fixed, and the gear ring is fixed on the ring body.
Furthermore, the outer wall of the protruding portion is welded and fixed with the inner hole wall of the ring body, fixing is reliable, the gear ring is limited and fixed on the ring body, and the gear ring and the ring body are integrated, so that the overall structural strength is improved.
Furthermore, the protruding part is fixed with the inner hole spiro union of circle body, and the spiro union is reliable, and the dismouting is convenient, and the ring gear of damage can be changed alone, has reduced the maintenance cost.
Furthermore, the reinforcing columns are arranged between the two teeth on the two sides of the groove in a relatively distributed mode, the two gear rings are connected into a whole, the overall structural strength is improved, and the extrusion force applied to the teeth is transmitted and dispersed through the reinforcing columns, so that structural damage caused by tooth stress concentration is avoided.
Furthermore, set up the fixed through hole who connects the reinforcement post on the tooth, increased the area of contact of tooth and reinforcement post on the one hand, improved joint strength, on the other hand aligns two teeth that distribute relatively through the reinforcement post, has reduced the alignment degree of difficulty, and the reinforcement post plays the reinforcing effect to the tooth, makes the tooth can bear bigger load, and then non-deformable.
Furthermore, an oil guide groove is formed between the tooth root part and the tooth crest surface of the tooth, the oil guide groove is communicated with the groove, and lubricating oil in the groove flows to the tooth crest surface of the tooth through the oil guide groove to play an oil guide role, so that the utilization rate of the lubricating oil is improved.
Further, the inner bottom surface of the oil guide groove is obliquely arranged from the tooth root part of the tooth to the tooth top surface, so that the oil guide efficiency is improved, and the lubricating oil can flow to the tooth top surface of the tooth quickly.
Further, the oil storage recess has been seted up to the outer wall of circle body, and in the oil storage recess was located to the oil filler point, a certain amount of lubricating oil can be kept in on the one hand in setting up of oil storage recess to continuously carry lubricating oil to the slot, reduced the number of times of refueling, reduced operating strength, on the other hand has reduced the weight of circle body, has saved the manufacturing material.
Furthermore, protective layers are arranged on the surfaces of the ring body and the gear ring, so that the ring body and the gear ring are protected, the ring body and the gear ring are not easy to wear and corrode, and the service life is prolonged.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. lubricating oil is added into the oil storage groove, the lubricating oil enters the oil guide channel through the oil injection hole, then flows into the groove and then flows to each tooth through the groove for lubrication, a certain amount of lubricating oil can be temporarily stored in the groove, the lubricating oil can be favorably contacted with each tooth, the individual oiling lubrication of each tooth is not needed, the intensity of lubrication operation is reduced, labor is saved and convenience is realized, meanwhile, a certain amount of lubricating oil can be temporarily stored in the oil storage groove, so that the lubricating oil is continuously conveyed to the groove, the oiling frequency is reduced, and the operation intensity is reduced; the oil guide groove is communicated with the groove, and the lubricating oil in the groove flows to the tooth top surface of the tooth through the oil guide groove to play an oil guide role, so that the utilization rate of the lubricating oil is improved.
2. The ring body and the gear ring are fixed in the following two ways:
(1) the gear ring is welded and fixed with the ring body through the convex part, and the gear ring and the ring body are integrated, so that the integral structural strength is improved; the reinforcement post passes and welds two teeth that distribute relatively, has increased the area of contact of tooth with the reinforcement post on the one hand, has improved joint strength, and on the other hand aligns two teeth that distribute relatively through the reinforcement post, has reduced the degree of difficulty of aligning, and the reinforcement post plays the reinforcing effect to tooth, makes tooth can bear bigger load, and then non-deformable.
(2) The ring gear passes through the bellying and is fixed with the spiro union of circle body, connects reliably, and the dismouting is convenient, and the ring gear of damage can be changed alone, has reduced the maintenance cost.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a ring gear in the third embodiment;
fig. 4 is a schematic structural diagram of a fourth embodiment of the present invention;
FIG. 5 is a schematic structural view of a ring gear in the fifth embodiment;
fig. 6 is a schematic structural diagram of a fifth embodiment of the present invention;
FIG. 7 is a schematic structural view of a ring gear in the sixth embodiment;
fig. 8 is a schematic structural view of a ring body in the sixth embodiment.
In the figure: 1-ring body; 2-installing a through hole; 3-gear ring; 4-teeth; 5-a boss; 6-a groove; 7-oil filler hole; 8-oil guide channel; 9-oil storage groove; 10-reinforcing columns; 11-a fixed through hole; 12-oil guide groove.
Detailed Description
As shown in fig. 1, is a first embodiment of the present invention.
An annular gear comprising: the ring body 1 is provided with the installation through hole 2 on the ring body 1, wears to establish the bolt in the installation through hole 2, fixes the ring body 1 to the mounted position in the electric reduction gear box on, and is simple convenient. The inboard of circle body 1 is equipped with ring gear 3, and the inboard evenly distributed of ring gear 3 has tooth 4, and ring gear 3 is equipped with the bellying 5 with the hole looks adaptation of circle body 1, and 5 fixed connection circle bodies of bellying 1 realize the quick location of ring gear 3 on circle body 1 through bellying 5, have reduced the butt joint degree of difficulty, then fix bellying 5 and circle body 1, realize the fixed of ring gear 3 on circle body 1.
Protective layers are arranged on the surfaces of the ring body 1 and the gear ring 3, the protective layers can be zinc coatings or titanium nitride coatings, the zinc coatings have good wear resistance and corrosion resistance, the titanium nitride coatings can reduce the friction coefficient of the surfaces of the ring body 1 and the gear ring 3, the loss caused by friction when the teeth 4 are meshed with a matched gear is reduced, and the service life is prolonged.
As shown in fig. 2, the second embodiment of the present invention is illustrated.
Under the technical scheme based on embodiment one, oil storage recess 9 has been seted up to the outer wall of circle body 1, and in oil filler point 7 located oil storage recess 9, oil storage recess 9 set up on the one hand and can keep in a certain amount of lubricating oil, continuously carry lubricating oil to slot 6, reduced and refueled the number of times, reduced manipulation strength, on the other hand has reduced the weight of circle body 1, has saved the manufacturing material.
As shown in fig. 3, the third embodiment of the present invention is shown.
Under the technical scheme based on the second embodiment, the outer wall of the protruding part 5 is fixedly welded with the inner hole wall of the ring body 1, the fixing is reliable, the gear ring 3 is limited and fixed on the ring body 1, the gear ring 3 and the ring body 1 are integrated, and the integral structural strength is improved.
The surface of the gear ring 3 is fixedly welded with the end face of the ring body 1, so that the connection strength of the gear ring 3 and the ring body 1 is improved, the gear ring 3 is not easy to loosen freely, multiple surfaces are fixed in a contact mode, and the fixation is firmer.
As shown in fig. 4, the present invention is an embodiment four.
Under the technical scheme based on the third embodiment, be equipped with the reinforcement post 10 between two teeth 4 of relative distribution in slot 6 both sides, reinforcement post 10 can adopt carbon steel material to make, and intensity is high, links two ring gears 3 as an organic whole, has improved holistic structural strength, through the extrusion force that reinforcement post 10 transmission, dispersion tooth 4 received, avoids tooth 4 stress concentration and causes the structural damage.
Offer the fixing hole 11 of connecting reinforcement post 10 on tooth 4, earlier fix the through hole 11 that reinforcement post 10 passed two tooth 4, then weld tooth 4 and reinforcement post 10's junction, the area of contact of tooth 4 with reinforcement post 10 has been increased on the one hand, the joint strength has been improved, on the other hand aligns two tooth 4 that distribute relatively through reinforcement post 10, the alignment degree of difficulty has been reduced, reinforcement post 10 plays the reinforcement effect to tooth 4, make tooth 4 can bear bigger load, and then non-deformable.
As shown in fig. 5 and 6, the fifth embodiment of the present invention is shown.
Under the technical scheme based on embodiment two, be equipped with between the tooth root of tooth 4 and the addendum face and lead oil groove 12, lead oil groove 12 and communicate with each other with slot 6, the lubricating oil in slot 6 flows to the addendum face of tooth 4 through leading oil groove 12, plays and leads the oil effect to lubricating oil's utilization ratio has been improved.
The inner bottom surface of the oil guide groove 12 is inclined towards the tooth top surface from the tooth root part of the tooth 4, the tooth root part is located at a high position relative to the tooth top surface, lubricating oil favorably flows along the tooth, the oil guide efficiency is improved, and the lubricating oil favorably and quickly flows to the tooth top surface of the tooth 4.
As shown in fig. 7 and 8, the present invention is an embodiment six.
Under the technical scheme based on embodiment two, be equipped with the external screw thread on the outer wall of bellying 5, be equipped with the internal thread on the interior pore wall of circle body 1, realize both screw-thread fit fixed, connect reliably, the dismouting is convenient, damaged ring gear 3 can be changed alone, has reduced the maintenance cost.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are all covered by the scope of the present invention.
Claims (10)
1. An annular gear comprising:
a ring body, wherein the ring body is provided with an installation through hole,
the method is characterized in that:
the inner side of the ring body is provided with gear rings with teeth, the gear rings are distributed oppositely, grooves are formed between the gear rings and the inner wall of the ring body, the outer wall of the ring body is provided with oil filling holes, and oil guide channels are arranged between the oil filling holes and the grooves.
2. An annulus gear according to claim 1 wherein: the gear ring is provided with a protruding part matched with the inner hole of the ring body, and the protruding part is fixedly connected with the ring body.
3. An internal gear ring according to claim 2, wherein: the outer wall of the protruding portion is welded and fixed with the inner hole wall of the ring body.
4. An annulus gear according to claim 2 wherein: the protruding part is fixed with the inner hole screw joint of circle body.
5. An annulus gear according to claim 1 wherein: reinforcing columns are arranged between the two teeth which are oppositely distributed on the two sides of the groove.
6. An internal gear ring according to claim 5, wherein: and the teeth are provided with fixing through holes for connecting the reinforcing columns.
7. An annulus gear according to claim 1 wherein: and an oil guide groove is arranged between the tooth root part and the tooth crest of the tooth and is communicated with the groove.
8. An annulus gear according to claim 7 wherein: the inner bottom surface of the oil guide groove is obliquely arranged from the tooth root part of the tooth to the tooth top surface.
9. An internal gear ring according to claim 1, wherein: an oil storage groove is formed in the outer wall of the ring body, and the oil filling hole is formed in the oil storage groove.
10. An annulus gear according to claim 1 wherein: protective layers are arranged on the surfaces of the ring body and the gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654304.2U CN218480134U (en) | 2022-10-09 | 2022-10-09 | Inner gear ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222654304.2U CN218480134U (en) | 2022-10-09 | 2022-10-09 | Inner gear ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218480134U true CN218480134U (en) | 2023-02-14 |
Family
ID=85170548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222654304.2U Active CN218480134U (en) | 2022-10-09 | 2022-10-09 | Inner gear ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218480134U (en) |
-
2022
- 2022-10-09 CN CN202222654304.2U patent/CN218480134U/en active Active
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