CN212509164U - Oil pump positioning structure - Google Patents
Oil pump positioning structure Download PDFInfo
- Publication number
- CN212509164U CN212509164U CN202021167311.4U CN202021167311U CN212509164U CN 212509164 U CN212509164 U CN 212509164U CN 202021167311 U CN202021167311 U CN 202021167311U CN 212509164 U CN212509164 U CN 212509164U
- Authority
- CN
- China
- Prior art keywords
- nut
- bolt
- column
- cap
- rubber ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000004677 Nylon Substances 0.000 claims abstract description 20
- 229920001778 nylon Polymers 0.000 claims abstract description 20
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000002253 acid Substances 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 210000002489 tectorial membrane Anatomy 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses an oil pump positioning structure, which comprises a bolt cap and a locking nut body, wherein a nylon rubber ring is arranged below a concave nut, a convex nut is arranged below the nylon rubber ring, an anti-drop column is arranged in the middle of the concave nut, a bolt column is arranged between the convex nut and the concave nut, and a bolt cap is arranged below the bolt column; the wedge-shaped inclined surface is arranged, so that the locking force can be increased in the screwing process, and the fastening effect is better; the nylon rubber ring can overcome the defect that the variable-thread type thread is free to fall off due to operation or insufficient installation torque, so that the anti-loose and anti-falling functions of the locknut are ensured; the acid, alkali and corrosion resistance of the oxidation coating can prolong the service life of the nut; the anti-falling column increases the friction force between the wedge-shaped inclined plane and the convex nut, so that the anti-falling column is not easy to fall off after installation.
Description
Technical Field
The utility model relates to a lock nut technical field especially relates to an oil pump location structure.
Background
The oil pump is a device which forces the engine oil to be sent to an engine moving part from an oil sump in a lubricating system, and the common gear type oil pump not only has reliable work, but also has simple structure, convenient manufacture and high oil pumping pressure. The existing gear type oil pump is connected with an engine box body through a pump shaft in a positioning mode, and meanwhile a pump body and the engine box body are fixedly positioned through bolts and nuts. In the prior art, the internal thread of a common nut is meshed with the external thread of a bolt, and a normal force generated by the contact between the threads forms an angle of 30 degrees with a bolt shaft, so that although certain fastening pressure and locking force are provided, the locking force is not large enough in vibration generated by long-term rotation work of an engine driving pump shaft, and the threaded connection is easy to loose; and the common nut does not have the characteristics of acid resistance, alkali resistance and corrosion resistance, and the nut is easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an oil pump positioning structure, which can solve the problems of insufficient locking force, easy falling, short service life and falling.
In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an oil pump location structure, includes bolt cap, lock nut body, and concave nut below is provided with the nylon rubber ring, nylon rubber ring below is provided with the convex nut, install anti-drop post in the middle of the concave nut, be provided with the bolt post in the middle of convex nut and the concave nut, bolt post below is provided with the bolt cap.
As a preferred technical scheme of the utility model, be provided with the sheet rubber in the middle of the convex nut, the sheet rubber left end is provided with the anti-drop post, the anti-drop post is made for the high strength steel material, anti-drop post left end is provided with miniature bolt cap, miniature bolt cap and anti-drop post are the integral structure.
As a preferred technical scheme of the utility model, the convex nut is provided with the internal thread, be provided with the wedge inclined plane on the internal thread, the wedge inclined plane is connected with the cusp laminating of bolt post, nylon rubber ring is hugged closely to the cusp, nylon rubber ring is made by high strength rubber.
As an optimal technical scheme of the utility model, concave nut top is provided with the anticreep cap, be provided with the oxidation tectorial membrane on the anticreep cap, the anticreep cap connecting bolt post.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is: the utility model has strong locking force, strong anti-falling performance and long service life; the locking force can be increased in the screwing process through the arrangement of the wedge-shaped inclined surface, so that the fastening effect is better, and the positioning and installation of the oil pump are more stable; the nylon rubber ring can overcome the defect that the variable-thread type thread is free to fall off due to operation or insufficient installation torque, so that the anti-loose and anti-falling functions of the locknut are ensured; the acid, alkali and corrosion resistance of the oxidation coating can prolong the service life of the nut; the anti-falling column increases the friction force between the wedge-shaped inclined plane and the convex nut, so that the anti-falling column is not easy to fall off after installation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a general plan view of the present invention;
in the figure: 1. a bolt cap; 2. a male nut; 3. a nylon rubber ring; 4. a concave nut; 5. An internal thread; 6. a wedge-shaped inclined plane; 7. a rubber sheet; 8. an anti-drop column; 9. a micro bolt cap; 10. an anti-drop cap; 11. a lock nut body; 12. a dental tip; 13. and a bolt column.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1
As shown in fig. 1-2, the utility model provides an oil pump location structure, including bolt cap 1, lock nut body 11, concave nut 4 below is provided with nylon rubber ring 3, and nylon rubber ring 3 below is provided with convex nut 2, installs anti-drop post 8 in the middle of concave nut 4, is provided with bolt post 13 in the middle of convex nut 2 and the concave nut 4, and bolt cap 1 is provided with below bolt post 13.
The middle of convex nut 2 is provided with sheet rubber 7, and sheet rubber 7 left end is provided with anti-drop post 8, and anti-drop post 8 is that high strength steel material makes, and anti-drop post 8 left end is provided with miniature bolt cap 9, and miniature bolt cap 9 and anti-drop post 8 are the integral structure, and anti-drop post 8 has prevented that bolt cap 1 and convex nut 2 from droing.
The convex nut 2 is provided with an internal thread 5, a wedge-shaped inclined surface 6 is arranged on the internal thread 5, the wedge-shaped inclined surface 6 is attached to a tooth tip 12 of the bolt column 13, the tooth tip 12 is tightly attached to the nylon rubber ring 3, and the nylon rubber ring 3 is made of high-strength rubber. The wedge-shaped inclined surface 6 can increase the locking force.
An anti-drop cap 10 is arranged above the concave nut 4, an oxidation film is arranged on the anti-drop cap 10, the anti-drop cap 10 is connected with a bolt column 13, and the service life of the anti-drop cap is prolonged by the oxidation film.
Specifically, the oil pump positioning structure comprises a bolt cap 1 and a lock nut body 11, wherein a nylon rubber ring 3 is arranged below a concave nut 4, a convex nut 2 is arranged below the nylon rubber ring 3, an anti-falling column 8 is arranged in the middle of the concave nut 4, a bolt column 13 is arranged between the convex nut 2 and the concave nut 4, and the bolt cap 1 is arranged below the bolt column 13; the tooth top part on the bolt column tightly props against the wedge-shaped inclined plane 6 of the variable tooth type, so that a large locking force is generated, the locking force is enhanced, the anti-drop column 8 is arranged in the middle of the convex nut 2, the wedge-shaped inclined plane 6 and the convex nut 2 can be tightly and completely fixed together, the anti-drop cap 10 is arranged at the outlet end of the concave nut 4, and the anti-drop cap 10 ensures the anti-drop and anti-loose functions of the concave nut 4 and the bolt column 13; being provided with nylon rubber ring 3 in the middle of concave type nut 4 and protruding type nut 2, can reducing wear, reinforcing laminating dynamics simultaneously, anti-drop post harm wedge inclined plane 6 has been guaranteed in the design of sheet rubber 7, is provided with the oxidation tectorial membrane on the anticreep cap 10, and the anti-oxidation tectorial membrane has acidproof, alkali-resisting, corrosion-resistant characteristic, just can keep the glossiness on surface from prolonging its life.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (4)
1. The utility model provides an oil pump location structure, includes bolt cap (1), lock nut body (11), its characterized in that, concave nut (4) below is provided with nylon rubber ring (3), nylon rubber ring (3) below is provided with convex nut (2), install anti-drop post (8) in the middle of concave nut (4), be provided with bolt post (13) in the middle of convex nut (2) and concave nut (4), bolt post (13) below is provided with bolt cap (1).
2. The oil pump positioning structure according to claim 1, wherein a rubber sheet (7) is arranged in the middle of the convex nut (2), an anti-drop column (8) is arranged at the left end of the rubber sheet (7), the anti-drop column (8) is made of high-strength steel material, a micro bolt cap (9) is arranged at the left end of the anti-drop column (8), and the micro bolt cap (9) and the anti-drop column (8) are of an integrated structure.
3. The oil pump positioning structure according to claim 1, wherein the convex nut (2) is provided with an internal thread (5), the internal thread (5) is provided with a wedge-shaped inclined surface (6), the wedge-shaped inclined surface (6) is in fit connection with a tooth tip (12) of a bolt column (13), the tooth tip (12) is tightly attached to the nylon rubber ring (3), and the nylon rubber ring (3) is made of high-strength rubber.
4. An oil pump positioning structure as claimed in claim 1, characterized in that a release-preventing cap (10) is arranged above the concave nut (4), an oxidation film is arranged on the release-preventing cap (10), and the release-preventing cap (10) is connected with a bolt column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021167311.4U CN212509164U (en) | 2020-06-22 | 2020-06-22 | Oil pump positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021167311.4U CN212509164U (en) | 2020-06-22 | 2020-06-22 | Oil pump positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509164U true CN212509164U (en) | 2021-02-09 |
Family
ID=74439124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021167311.4U Expired - Fee Related CN212509164U (en) | 2020-06-22 | 2020-06-22 | Oil pump positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509164U (en) |
-
2020
- 2020-06-22 CN CN202021167311.4U patent/CN212509164U/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: 20210209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |