CN203335835U - Piston structure of hydraulic cylinder - Google Patents
Piston structure of hydraulic cylinder Download PDFInfo
- Publication number
- CN203335835U CN203335835U CN2013204113955U CN201320411395U CN203335835U CN 203335835 U CN203335835 U CN 203335835U CN 2013204113955 U CN2013204113955 U CN 2013204113955U CN 201320411395 U CN201320411395 U CN 201320411395U CN 203335835 U CN203335835 U CN 203335835U
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- CN
- China
- Prior art keywords
- groove
- runddichtringo
- hydraulic cylinder
- square
- piston structure
- 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 - Lifetime
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model relates to the hydraulic cylinder technology, in particular to a piston structure of a hydraulic cylinder. According to the technical scheme, the piston structure of the hydraulic cylinder comprises a piston valve; a first groove is formed in the middle of the side wall of the piston valve; a first rectangular sealing ring is embedded in the first groove; a space is formed between the first rectangular sealing ring and the bottom face of the first groove, and an O-type sealing ring is embedded in the space. According to the piston structure of the hydraulic cylinder, the sealing ring is small in abrasion in the process of use and good in sealing effect.
Description
Technical field
The utility model relates to the oil hydraulic cylinder technology, particularly a kind of hydraulic cylinder piston structure.
Background technique
Oil hydraulic cylinder of the prior art, between piston and cylinder barrel, often just by the O RunddichtringO, seal, yet the O RunddichtringO is suitable for static sealing, is applied between piston and cylinder barrel, in long-term use, easy to wear, causes plucking.
The model utility content
The purpose of this utility model is to provide a kind of hydraulic cylinder piston structure, and its seal ring in use weares and teares little, and has good sealing effect.
Above-mentioned technical purpose of the present utility model is achieved by the following technical programs: a kind of hydraulic cylinder piston structure, comprise piston valve, and the sidewall middle part of described piston valve has the first groove, is embedded with the first square RunddichtringO in described the first groove; And the space formed between described the first square RunddichtringO and described the first groove floor is embedded with the O RunddichtringO.
As of the present utility model preferred, the bottom surface of described the first groove is arcuation.
As of the present utility model preferred, the both sides of described groove also are respectively equipped with the second groove and the 3rd groove; Described the second groove is embedded with the second square RunddichtringO; Be embedded with the 3rd square RunddichtringO in described the 3rd groove.
As of the present utility model preferred, described the second square RunddichtringO and the 3rd square RunddichtringO consistent size.
As of the present utility model preferred, the width of described the second square RunddichtringO is greater than the width of described the first square RunddichtringO.
As of the present utility model preferred, the width of described the first square RunddichtringO is that 0.5-0.8cm and thickness are 0.3-0.5cm; The width of the second square RunddichtringO is that 1-1.5cm and thickness are 0.3-0.5cm.
In sum, the utlity model has following beneficial effect: the utility model is simple in structure, easy to implement; By being combined with of the O RunddichtringO in the first groove and the first square RunddichtringO, make the utlity model has on the one hand good sealing effect, by the protection of the first square RunddichtringO, the wearing and tearing of O RunddichtringO are reduced on the other hand, can not cause the plucking phenomenon; And the first square RunddichtringO is that face contacts due to this in using process and inner wall of cylinder, wear and tear less, can not cause the plucking phenomenon; For further improving sealing effect, also be provided with two square RunddichtringOs in the both sides of the first groove, be respectively the second square RunddichtringO and the 3rd square RunddichtringO; And the width of the second square RunddichtringO and the 3rd square RunddichtringO is larger than the first square type sealing.
The accompanying drawing explanation
Fig. 1 is the example structure schematic diagram;
Fig. 2 is A section enlarged diagram in Fig. 1;
Fig. 3 is piston valve construction schematic diagram in embodiment.
In figure, 1, piston valve, the 11, first groove, the 12, second groove, the 13, the 3rd groove, the 21, first square RunddichtringO, 22, the O RunddichtringO, the 23, second square RunddichtringO, the 24, the 3rd square RunddichtringO.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; those skilled in the art can make to the present embodiment the modification that there is no creative contribution as required after reading this specification, but as long as all are subject to the protection of Patent Law in claim scope of the present utility model.
Embodiment: as Figure 1-3, a kind of hydraulic cylinder piston structure, comprise piston valve 1, and the sidewall of piston valve 1 middle part has in the first groove 11, the first grooves 11 that bottom surface is arcuation and is embedded with the first square RunddichtringO 21; And the space formed between the first square RunddichtringO 21 and the first groove 11 bottom surfaces is embedded with O RunddichtringO 22.
The both sides of groove 11 also are respectively equipped with the second groove 12 and the 3rd groove 13; The second groove 12 is embedded with the second square RunddichtringO 23; Be embedded with the 3rd square RunddichtringO 24 in the 3rd groove 13.
The second square RunddichtringO 23 and the 3rd square RunddichtringO 24 consistent size; The width of the second square RunddichtringO 23 is greater than the width of the first square RunddichtringO 21; The width of the first square RunddichtringO 21 is that 0.5-0.8cm and thickness are 0.3-0.5cm; The width of the second square RunddichtringO 23 is that 1-1.5cm and thickness are 0.3-0.5cm.
Claims (6)
1. a hydraulic cylinder piston structure, comprise piston valve (1), it is characterized in that, the sidewall middle part of described piston valve (1) has the first groove (11), is embedded with the first square RunddichtringO (21) in described the first groove (11); And the space formed between described the first square RunddichtringO (21) and described the first groove (11) bottom surface is embedded with O RunddichtringO (22).
2. a kind of hydraulic cylinder piston structure according to claim 1, is characterized in that, the bottom surface of described the first groove (11) is arcuation.
3. a kind of hydraulic cylinder piston structure according to claim 2, is characterized in that, the both sides of described groove (11) also are respectively equipped with the second groove (12) and the 3rd groove (13); Described the second groove (12) is embedded with the second square RunddichtringO (23); Be embedded with the 3rd square RunddichtringO (24) in described the 3rd groove (13).
4. a kind of hydraulic cylinder piston structure according to claim 3, is characterized in that, described the second square RunddichtringO (23) and the 3rd square RunddichtringO (24) consistent size.
5. a kind of hydraulic cylinder piston structure according to claim 4, is characterized in that, the width of described the second square RunddichtringO (23) is greater than the width of described the first square RunddichtringO (21).
6. a kind of hydraulic cylinder piston structure according to claim 5, is characterized in that, the width of described the first square RunddichtringO (21) is that 0.5-0.8cm and thickness are 0.3-0.5cm; The width of the second square RunddichtringO (23) is that 1-1.5cm and thickness are 0.3-0.5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204113955U CN203335835U (en) | 2013-07-11 | 2013-07-11 | Piston structure of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204113955U CN203335835U (en) | 2013-07-11 | 2013-07-11 | Piston structure of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335835U true CN203335835U (en) | 2013-12-11 |
Family
ID=49704511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013204113955U Expired - Lifetime CN203335835U (en) | 2013-07-11 | 2013-07-11 | Piston structure of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335835U (en) |
-
2013
- 2013-07-11 CN CN2013204113955U patent/CN203335835U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 No. 9, Bao Qiao Road, new industrial park, pheasant Town, Changxing County, Huzhou, Zhejiang Patentee after: ZHEJIANG JUYUAN POWER EQUIPMENT CO.,LTD. Address before: 313100 No. 9, Bao Qiao Road, new industrial park, pheasant Town, Changxing County, Huzhou, Zhejiang Patentee before: ZHEJIANG CHANGXING JUYUAN MACHINERY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CX01 | Expiry of patent term |