CN212985960U - Speed reducer gear casting - Google Patents
Speed reducer gear casting Download PDFInfo
- Publication number
- CN212985960U CN212985960U CN202021545917.7U CN202021545917U CN212985960U CN 212985960 U CN212985960 U CN 212985960U CN 202021545917 U CN202021545917 U CN 202021545917U CN 212985960 U CN212985960 U CN 212985960U
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- China
- Prior art keywords
- plate
- locating plate
- tooth cover
- locating
- pinion rack
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 20
- 238000005266 casting Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000008859 change Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a speed reducer gear casting, including the tooth cover, the big rack of outside fixed surface of tooth cover is connected with, the internal surface top fixedly connected with third locating plate of tooth cover, the higher authority of third locating plate is provided with the third locating hole, the internal surface of tooth cover and with the first locating plate of the fixed position of third locating plate one-tenth 120 degrees contained angles's fixed position connection have, the surface of first locating plate is provided with first locating hole, the internal surface of tooth cover and with the fixed position of first locating plate one-tenth 120 degrees contained angles be connected with the second locating plate, the surface of second locating plate is provided with the second locating hole, the inside of tooth cover is provided with big pinion rack, the upper end of big pinion rack is provided with the third spout, the surface of big pinion rack and with the position of third spout one-tenth degree contained angle be provided with first spout. The utility model discloses in, it is convenient to change, design benefit, and transmission load is big very much, long service life.
Description
Technical Field
The utility model relates to a gear casting field especially relates to a speed reducer gear casting.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery. The most used transmission part in the speed reducer is a gear, and the gear refers to a mechanical element which is provided with a gear on a wheel rim and continuously meshed with the gear to transmit motion and power. The use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating the cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the running stability of gears along with the development of production.
The wearing and tearing of tooth often appear when the gear on the market uses, generally all change new gear when the wearing and tearing appear in the gear, cause very big waste like this, generally only the tooth on surface can not be used, but the transmission position in the middle of the gear is all intact, so need a pinion rack and rack now separate and with the gear casting of installation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a speed reducer gear casting.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a gear casting of a speed reducer comprises a gear sleeve, wherein a large rack is fixedly connected to the surface of the outer side of the gear sleeve, a third positioning plate is fixedly connected to the upper portion of the inner surface of the gear sleeve, a third positioning hole is formed in the upper portion of the third positioning plate, a first positioning plate is fixedly connected to the inner surface of the gear sleeve and forms a 120-degree included angle with the third positioning plate, a first positioning hole is formed in the surface of the first positioning plate, a second positioning plate is fixedly connected to the inner surface of the gear sleeve and forms a 120-degree included angle with the first positioning plate, a second positioning hole is formed in the surface of the second positioning plate, a large toothed plate is arranged inside the gear sleeve, a third sliding groove is formed in the upper end of the large toothed plate, a first sliding groove is formed in the surface of the large toothed plate and forms a first included angle with the third sliding groove, and a second sliding groove is formed in the surface of the large toothed plate and forms a second included, a third fixing hole is formed in the surface of the large toothed plate and located on one side of the third sliding groove, a first fixing hole is formed in the surface of the large toothed plate and located on one side of the first sliding groove, and a second fixing hole is formed in the surface of the large toothed plate and located on one side of the second sliding groove.
As a further description of the above technical solution:
and a small toothed plate is fixedly connected to one side of the middle of the large toothed plate.
As a further description of the above technical solution:
the middle of the pinion rack is provided with a circular through hole.
As a further description of the above technical solution:
the internal surface of pinion rack is provided with the transmission groove, the transmission groove is provided with two.
As a further description of the above technical solution:
and the outer side surface of the pinion plate is fixedly connected with a pinion rack.
As a further description of the above technical solution:
the third sliding chute is positioned inside the large toothed plate and is connected with the third fixing hole.
As a further description of the above technical solution:
the middle of the third fixing hole is provided with a fixing bolt, one end of the fixing bolt penetrates through the large toothed plate and is fixedly connected with a fixing nut on one side of the large toothed plate, the outer side of the fixing bolt is in threaded connection with a fixing nut, and the number of the fixing bolts is three.
The utility model discloses following beneficial effect has:
1. the utility model discloses in, be provided with first locating plate, second locating plate and third locating plate, can be through placing first locating plate in the inside of first spout, the one end and the first fixed orifices intercommunication of first spout just can let first locating plate slide in the inside of first spout, just can let the first locating hole and the first fixed orifices switch-on first locating plate surface, the one end and the tooth cover fixed connection of first locating plate, and then fix the tooth cover on big toothed plate, convenient to use.
2. The utility model discloses in, be provided with little rack, can move big pinion rack through little rack and rotate, big pinion rack and then drive big rack and rotate, the transmission is simple, also can drive gear through the drive groove and rotate, and the drive ratio is certain, and the transmission is stable.
Drawings
Fig. 1 is an assembly view of a gear casting of a speed reducer provided by the present invention;
fig. 2 is a partial view of a gear casting of the speed reducer provided by the present invention;
fig. 3 is a partial view of a gear casting of the speed reducer provided by the present invention;
fig. 4 is a partial view of a gear casting of the speed reducer provided by the utility model.
Illustration of the drawings:
1. a first chute; 2. a first positioning plate; 3. a first positioning hole; 4. a first fixing hole; 5. a pinion plate; 6. a transmission groove; 7. a small rack; 8. a second positioning plate; 9. a second positioning hole; 10. a second chute; 11. a second fixing hole; 12. a big toothed plate; 13. a third positioning hole; 14. a third positioning plate; 15. a third chute; 16. a third fixing hole; 17. a large rack; 18. a gear sleeve; 19. fixing a nut; 20. fixing the bolt; 21. and (5) fixing the nut.
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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a gear casting of a speed reducer comprises a gear sleeve 18, wherein a large rack 17 is fixedly connected to the outer side surface of the gear sleeve 18, a third positioning plate 14 is fixedly connected to the upper portion of the inner surface of the gear sleeve 18, a third positioning hole 13 is formed in the upper portion of the third positioning plate 14, a first positioning plate 2 is fixedly connected to the inner surface of the gear sleeve 18 and forms an included angle of 120 degrees with the third positioning plate 14, a first positioning hole 3 is formed in the surface of the first positioning plate 2, a second positioning plate 8 is fixedly connected to the inner surface of the gear sleeve 18 and forms an included angle of 120 degrees with the first positioning plate 2, a second positioning hole 9 is formed in the surface of the second positioning plate 8, a large toothed plate 12 is arranged inside the gear sleeve 18, a third sliding groove 15 is formed in the upper end of the large toothed plate 12, a first sliding groove 1 is formed in the surface of the large toothed plate 12 and forms an included angle of 120 degrees with the third sliding groove 15, a second sliding groove 10 is formed in the surface of the large toothed, the surface of big pinion rack 12 and the one side that is located third spout 15 are provided with third fixed orifices 16, and the surface of big pinion rack 12 and the one side that is located first spout 1 are provided with first fixed orifices 4, and the surface of big pinion rack 12 and the one side that is located second spout 10 are provided with second fixed orifices 11, and second fixed orifices 11 can be connected with second locating hole 9, and then with tooth cover 18 and big pinion rack 12 fixed connection.
Middle one side fixedly connected with pinion rack 5 of big pinion rack 12, the centre of pinion rack 5 sets up to circular through-hole, the internal surface of pinion rack 5 is provided with drive groove 6, drive groove 6 can directly drive gear revolve through the transmission shaft, drive groove 6 is provided with two, the outside fixed surface of pinion rack 5 is connected with pinion rack 7, the third spout 15 be located big pinion rack 12 inside and be connected with third fixed orifices 16, the centre of third fixed orifices 16 is provided with fixing bolt 20, fixing bolt 20's one end runs through big pinion rack 12 and at one side fixedly connected with fixation nut 19 of big pinion rack 12, fixing bolt 20's outside threaded connection has fixation nut 21, fixing bolt 20 is provided with threely.
The working principle is as follows: through putting into first spout 1 the inside with first locating plate 2, the inside and the first fixed orifices 4 switch-on of first spout 1, just can let first locating plate 2 slide in the inside of first spout 1, just can let first locating hole 3 and the first fixed orifices 4 switch-on first locating plate 2 surface, the one end and the tooth cover 18 fixed connection of first locating plate 2, then pass first fixed orifices 4 and first locating hole 3 through fixing bolt 20, finally realize being connected tooth cover 18 and big pinion rack 12 as an organic whole, and in the same way, second locating plate 8 is so also with the theory of operation of third locating plate 14, just so can make big rack 17 separate with big pinion rack 12, and convenient to use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments.
Claims (7)
1. The utility model provides a speed reducer gear foundry goods, includes tooth cover (18), its characterized in that: the utility model discloses a tooth cover (18) for the automobile seat, including tooth cover (18), the internal surface top fixedly connected with third locating plate (14) of tooth cover (18), the higher authority of third locating plate (14) is provided with third locating hole (13), the internal surface of tooth cover (18) and with third locating plate (14) become 120 degrees contained angle's position fixedly connected with first locating plate (2), the surface of first locating plate (2) is provided with first locating hole (3), the internal surface of tooth cover (18) and with first locating plate (2) become 120 degrees contained angle's position fixedly connected with second locating plate (8), the surface of second locating plate (8) is provided with second locating hole (9), the inside of tooth cover (18) is provided with big pinion rack (12), the upper end of big pinion rack (12) is provided with third spout (15), the surface of big pinion rack (12) and with third spout (15) become 120 degrees position and be provided with third contained angle The sliding chute (1) is provided with a second sliding chute (10) on the surface of the large toothed plate (12) and at a position forming an included angle of 120 degrees with the first sliding chute (1), a third fixing hole (16) is arranged on the surface of the large toothed plate (12) and on one side of the third sliding chute (15), a first fixing hole (4) is arranged on the surface of the large toothed plate (12) and on one side of the first sliding chute (1), and a second fixing hole (11) is arranged on the surface of the large toothed plate (12) and on one side of the second sliding chute (10).
2. The reducer gear casting of claim 1, wherein: one side of the middle of the big toothed plate (12) is fixedly connected with a small toothed plate (5).
3. The reducer gear casting of claim 2, wherein: the middle of the pinion plate (5) is provided with a circular through hole.
4. The reducer gear casting of claim 2, wherein: the inner surface of the pinion rack (5) is provided with two transmission grooves (6), and the number of the transmission grooves (6) is two.
5. The reducer gear casting of claim 2, wherein: the outer side surface of the pinion plate (5) is fixedly connected with a pinion rack (7).
6. The reducer gear casting of claim 1, wherein: the third sliding chute (15) is positioned inside the large toothed plate (12) and is connected with a third fixing hole (16).
7. The reducer gear casting of claim 1, wherein: the middle of the third fixing hole (16) is provided with a fixing bolt (20), one end of the fixing bolt (20) penetrates through the large toothed plate (12) and is fixedly connected with a fixing nut (19) on one side of the large toothed plate (12), the outer side of the fixing bolt (20) is in threaded connection with a fixing nut (21), and the number of the fixing bolts (20) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545917.7U CN212985960U (en) | 2020-07-30 | 2020-07-30 | Speed reducer gear casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021545917.7U CN212985960U (en) | 2020-07-30 | 2020-07-30 | Speed reducer gear casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212985960U true CN212985960U (en) | 2021-04-16 |
Family
ID=75430059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021545917.7U Expired - Fee Related CN212985960U (en) | 2020-07-30 | 2020-07-30 | Speed reducer gear casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212985960U (en) |
-
2020
- 2020-07-30 CN CN202021545917.7U patent/CN212985960U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |