CN203374550U - Thread sealing structure of barge oil cylinder rod head - Google Patents
Thread sealing structure of barge oil cylinder rod head Download PDFInfo
- Publication number
- CN203374550U CN203374550U CN201320407961.5U CN201320407961U CN203374550U CN 203374550 U CN203374550 U CN 203374550U CN 201320407961 U CN201320407961 U CN 201320407961U CN 203374550 U CN203374550 U CN 203374550U
- Authority
- CN
- China
- Prior art keywords
- rod head
- thread
- bar head
- head
- barge
- 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
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Abstract
The utility model provides a thread sealing structure of a barge oil cylinder rod head. The thread sealing structure of the barge oil cylinder rod head comprises a rod head, a piston rod and a sealing ring. The rod head is of an inner-thread cylindrical structure. The rod head is fixedly connected with the piston rod through threads, and a positioning groove is formed in the rod head. The positioning groove is formed in the joint between the rod head and the piston rod, and the sealing ring is arranged in the positioning groove. The thread sealing structure of the barge oil cylinder rod head is simple in structure, good in sealing effect, low in cost, and convenient to install and maintain.
Description
Technical field
The utility model relates to engineering oil cylinder field, refers to especially a kind of barge cylinder rod head thread sealing configuration of opening.
Background technique
The targeting part structure of general common engineering oil cylinder is all that earrings is twisted and is connected on piston rod by screw thread, and dust ring, U-shaped circle etc. are housed in guide sleeve successively; This structure is used in general environment, basically can satisfy condition, but use just not competent in the ocean environment of working condition very severe.Be placed on for a long time in seawater and can cause worm tooth corrosion, thread failure to cause the bar head piston rod that comes off to cause a serious accident.
The model utility content
The utility model proposes a kind of barge cylinder rod head thread sealing configuration of opening, solved in prior art the cylinder rod head and be placed on for a long time in seawater and can cause the worm tooth corrosion, thread failure cause the bar head to come off problem that piston rod causes a serious accident.
The technical solution of the utility model is achieved in that a kind of barge cylinder rod head thread sealing configuration of opening, and comprising: bar head, piston rod, seal ring, and described bar head is that internal thread is columnar structured, described bar head is fixedly connected with by screw thread with piston rod; Have locating slot on described bar head, described locating slot is arranged on the joint of bar head and piston rod, and described seal ring is placed in locating slot.
Further comprise, described locating slot is circular groove, and described locating slot is opened the top at the female thread structure of bar head inwall.
Further comprise, described seal ring is the O RunddichtringO, and seal ring is rubber seal.
Beneficial effect: the utility model has solved the defect existed in the background technique, by the joint at bar head and piston rod, increases sealing configuration, and seawater just can not enter and connect like this, and double thread is corroded, and has protected the intensity of screw thread, has extended the life-span.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is an embodiment of the utility model.
Embodiment
As shown in Figure 1, a kind of barge cylinder rod head thread sealing configuration of opening comprises: bar head 1, piston rod 2, seal ring 3, and bar head 1 is that internal thread is columnar structured, bar head 1 is fixedly connected with by screw thread with piston rod 2; Have locating slot 4 on bar head 1, locating slot 4 is arranged on the joint of bar head 1 and piston rod 2, and locating slot 4 is circular grooves, and the top at the female thread structure of bar head inwall left by locating slot 4; Seal ring 3 is placed in locating slot 4, and seal ring 3 is O RunddichtringOs, and seal ring 3 is rubber seal.
Bar head 1 is threaded connection on piston rod 2, in the locating slot 4 on bar head 1, seal ring 3 is arranged, and makes threaded connection place form a Seal cage, and seawater can not enter the connecting thread corrosion like this, the intensity of protection screw thread.The utility model is simple in structure, good sealing effect, and cost is low, and installation and maintenance are convenient.Before improvement: general standard engineering oil cylinder working life in seawater is 2-3, overhaul 6-12 month/time; After improvement: reach 10-20 working life, margin of safety improves several times, overhaul 3-5/time.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (3)
1. open barge cylinder rod head thread sealing configuration for one kind, it is characterized in that, comprising: bar head, piston rod, seal ring, described bar head is that internal thread is columnar structured, described bar head is fixedly connected with by screw thread with piston rod; Have locating slot on described bar head, described locating slot is arranged on the joint of bar head and piston rod, and described seal ring is placed in locating slot.
2. the barge cylinder rod head thread sealing configuration of opening as claimed in claim 1, it is characterized in that: described locating slot is circular groove, described locating slot is opened the top at the female thread structure of bar head inwall.
3. the barge cylinder rod head thread sealing configuration of opening as claimed in claim 1, it is characterized in that: described seal ring is the O RunddichtringO, and seal ring is rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320407961.5U CN203374550U (en) | 2013-07-09 | 2013-07-09 | Thread sealing structure of barge oil cylinder rod head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320407961.5U CN203374550U (en) | 2013-07-09 | 2013-07-09 | Thread sealing structure of barge oil cylinder rod head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374550U true CN203374550U (en) | 2014-01-01 |
Family
ID=49837080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320407961.5U Expired - Fee Related CN203374550U (en) | 2013-07-09 | 2013-07-09 | Thread sealing structure of barge oil cylinder rod head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374550U (en) |
-
2013
- 2013-07-09 CN CN201320407961.5U patent/CN203374550U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20150709 |
|
| EXPY | Termination of patent right or utility model |