CN208138247U - Interior Oil Guide cylinder New removable feather key - Google Patents
Interior Oil Guide cylinder New removable feather key Download PDFInfo
- Publication number
- CN208138247U CN208138247U CN201820587885.3U CN201820587885U CN208138247U CN 208138247 U CN208138247 U CN 208138247U CN 201820587885 U CN201820587885 U CN 201820587885U CN 208138247 U CN208138247 U CN 208138247U
- Authority
- CN
- China
- Prior art keywords
- feather key
- guide cylinder
- oil guide
- new removable
- interior oil
- 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.)
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Abstract
The utility model relates to technical field of hydraulic equipment, especially a kind of interior Oil Guide cylinder New removable feather key.A kind of interior Oil Guide cylinder New removable feather key, including feather key, feather key top are external screw thread, screw in nut on external screw thread.This interior Oil Guide cylinder New removable feather key, alignment pin is changed to be threadedly coupled, outside increases a tightening nuts, it is furnished with copper washer in nut, good mechanical sealing effect can be played, this structure facilitates oil cylinder being dismounted for multiple times and test in factory, the maintenance of oil cylinder and replacement feather key after also facilitating.
Description
Technical field
The utility model relates to technical field of hydraulic equipment, especially a kind of interior Oil Guide cylinder New removable feather key.
Background technique
The feather key of Oil Guide cylinder is welded type in routine, and feather key is fixed on oil cylinder by the welding of alignment pin
On body.Such feather key is not easy to be dismantled after equipped, leads to the maintenance maintenance trouble in later period, is not able to satisfy use
Demand.
Utility model content
In order to overcome deficiency existing for existing feather key, the utility model provides a kind of interior Oil Guide cylinder New removable
Feather key.
Technical solution adopted by the utility model to solve its technical problems is：A kind of interior Oil Guide cylinder New removable guiding
Key, including feather key, feather key top are external screw thread, screw in nut on external screw thread.
Another embodiment according to the present utility model further comprises having washer below nut.
The utility model has the beneficial effects that this interior Oil Guide cylinder New removable feather key, is changed to spiral shell for alignment pin
Line connection, outside increase a tightening nuts, are furnished with copper washer in nut, can play good mechanical sealing effect, this knot
Structure facilitates oil cylinder being dismounted for multiple times and test in factory, the maintenance of oil cylinder and replacement feather key after also facilitating.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model；
1, feather key in figure, 2, external screw thread, 3, nut, 4, washer.
Specific embodiment
If Fig. 1 is the structural schematic diagram of the utility model, a kind of interior Oil Guide cylinder New removable feather key, including feather key
1,1 top of feather key is external screw thread 2, screws in nut 3 on external screw thread 2.
Another embodiment according to the present utility model further comprises having washer 4 below nut 3.
Alignment pin is changed to be threadedly coupled, outside increases a tightening nuts 3, is furnished with copper washer 4 in nut 3, can
Good mechanical sealing effect is played, this structure facilitates oil cylinder being dismounted for multiple times and test in factory, the dimension of oil cylinder after also facilitating
Repair and replace feather key.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, in the case where not departing from spirit and scope as defined in the appended claims, many modifications can be made, change or wait
Effect, but all will fall within the protection scope of the utility model.
Claims (2)
1. a kind of interior Oil Guide cylinder New removable feather key, including feather key（1）, characterized in that feather key（1）Top is outer spiral shell
Line（2）, external screw thread（2）Upper screw-in nut（3）.
2. interior Oil Guide cylinder New removable feather key according to claim 1, characterized in that nut（3）There is washer in lower section
（4）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820587885.3U CN208138247U (en) | 2018-04-24 | 2018-04-24 | Interior Oil Guide cylinder New removable feather key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820587885.3U CN208138247U (en) | 2018-04-24 | 2018-04-24 | Interior Oil Guide cylinder New removable feather key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208138247U true CN208138247U (en) | 2018-11-23 |
Family
ID=64310022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820587885.3U Active CN208138247U (en) | 2018-04-24 | 2018-04-24 | Interior Oil Guide cylinder New removable feather key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208138247U (en) |
-
2018
- 2018-04-24 CN CN201820587885.3U patent/CN208138247U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |