CN202673820U - Quickly dismounted piston apparatus - Google Patents
Quickly dismounted piston apparatus Download PDFInfo
- Publication number
- CN202673820U CN202673820U CN 201220232174 CN201220232174U CN202673820U CN 202673820 U CN202673820 U CN 202673820U CN 201220232174 CN201220232174 CN 201220232174 CN 201220232174 U CN201220232174 U CN 201220232174U CN 202673820 U CN202673820 U CN 202673820U
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- CN
- China
- Prior art keywords
- piston
- piston rod
- piston body
- described piston
- utility
- 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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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a quickly dismounted piston apparatus which comprises a piston rod, a piston body, and a cylinder sleeve. The piston apparatus is characterized in that one end of the piston rod is provided with a conicity structure, the piston rod extends into the hole of the piston body, the place where the piston body contacts with the piston rod is provided with a conic hole structure which match with the conicity structure, and one part of the piston rod extends beyond the piston body and is fixed through a screw bolt and the piston body. The piston apparatus is advantageous in that the inner part of a hydraulic cylinder is sealed through the self-sealing property of the conical surface, therefore the hydraulic cylinder is sealed reliably and free from leakage, the sealing members between the piston rod and the piston body are reduced, and the piston can be dismounted quickly.
Description
Technical field
The utility model relates to a kind of quick-detachable piston apparatus.
Background technique
Fig. 1 (a) is connected b with Fig. 1) be depicted as clasp type and connect; Have a circular groove on the piston rod 3 among Fig. 1 (a), two semi-rings 6 are housed with clamping piston 1 in the groove, semi-ring 6 is entangled by axle sleeve 5, and the axial position of axle sleeve 5 fixes with spring collar 4; Piston rod among Fig. 1 (b) has used two semi-rings 6, and they are entangled by two packing holders 7 respectively, and semicircular piston 1 is placed in the centre of packing holder.Fig. 1 (c) is depicted as a kind of radial peg formula linkage structure, with taper pin 8 piston 1 is connected on the piston rod 3.This Placement is specially adapted to through-rod piston.Because piston assembly is a supporting member in oil hydraulic cylinder, and enough wear-resisting propertys must be arranged, so piston all is cast iron generally, and piston rod is all made of steel usually.
The model utility content
The utility model purpose is to provide a kind of quick-detachable piston apparatus for the defective that prior art exists.
The utility model for achieving the above object, adopt following technological scheme: a kind of quick-detachable piston apparatus, comprise piston rod, piston body and cylinder sleeve, described piston rod one end is provided with tapered configuration, described piston rod stretches in the hole of described piston body, described piston body is provided with the taper hole structure that matches with it with described piston rod contacting part, and described piston rod stretches out the piston body part to be fixed by bolt and described piston body.
Further, described piston rod one end is the 1:5 tapered configuration.
Further, be the 1:5 tapered configuration with described piston rod contacting part in the described piston body opening.
The beneficial effects of the utility model: this piston apparatus seals oil hydraulic cylinder inside by the self-styled of the conical surface, not only makes hydraulic cylinder sealing reliable, does not have interior leakage, and has reduced the Sealing between piston rod and piston body, simultaneously can the piston fast assembling-disassembling.
Description of drawings
Fig. 1 is three kinds of structural representations of piston apparatus of the prior art;
Fig. 2 structural representation of the present utility model;
Among the figure, 1, piston rod, 2, fixing bolt, 3, piston body, 4, cylinder sleeve.
Embodiment
Among Fig. 2, be a kind of quick-detachable piston apparatus, comprise piston rod 1, piston body 3 and cylinder sleeve 4, described piston rod 1 one ends are provided with tapered configuration, described piston rod 1 stretches in the hole of described piston body 3, described piston body 3 is provided with the taper hole structure that matches with it with described piston rod 1 contacting part, and piston rod 1 stretches out piston body 3 parts and is fixed together by fixing bolt 2 and described piston body 3.Further, piston rod 1 one ends are for can be made into the 1:5 tapered configuration; Can be made into the 1:5 tapered configuration that adapts with it with described piston rod 1 contacting part in piston body 3 holes.Piston rod 1 seals oil hydraulic cylinder inside with the self-styled of piston body 3 by both conical surfaces, cooperate like this piston rod 1 installed with piston body 3 good airproof performances, be convenient to dismantle.Concrete tapering size also can be set according to processing conditions.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (3)
1. quick-detachable piston apparatus, comprise piston rod, piston body and cylinder sleeve, it is characterized in that, described piston rod one end is provided with tapered configuration, described piston rod stretches in the hole of described piston body, described piston body is provided with the taper hole structure that matches with it with described piston rod contacting part, and described piston rod stretches out the piston body part to be fixed by bolt and described piston body.
2. a kind of quick-detachable piston apparatus according to claim 1 is characterized in that, described piston rod one end is the 1:5 tapered configuration.
3. a kind of quick-detachable piston apparatus according to claim 1 is characterized in that, is the 1:5 tapered configuration with described piston rod contacting part in the described piston body opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232174 CN202673820U (en) | 2012-09-29 | 2012-09-29 | Quickly dismounted piston apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232174 CN202673820U (en) | 2012-09-29 | 2012-09-29 | Quickly dismounted piston apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673820U true CN202673820U (en) | 2013-01-16 |
Family
ID=47494727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220232174 Expired - Fee Related CN202673820U (en) | 2012-09-29 | 2012-09-29 | Quickly dismounted piston apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673820U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373419A (en) * | 2014-10-30 | 2015-02-25 | 无锡市威海达机械制造有限公司 | Piston rod type hydraulic cylinder structure |
| CN106369005A (en) * | 2016-10-14 | 2017-02-01 | 广西欧讯科技服务有限责任公司 | Durable hydraulic cylinder for ship |
| CN106438559A (en) * | 2016-10-14 | 2017-02-22 | 广西欧讯科技服务有限责任公司 | Ship hydraulic oil cylinder |
| CN107255101A (en) * | 2017-07-20 | 2017-10-17 | 常州液压成套设备厂有限公司 | Interior hexagonal hydraulic piston rod cylinder |
-
2012
- 2012-09-29 CN CN 201220232174 patent/CN202673820U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104373419A (en) * | 2014-10-30 | 2015-02-25 | 无锡市威海达机械制造有限公司 | Piston rod type hydraulic cylinder structure |
| CN106369005A (en) * | 2016-10-14 | 2017-02-01 | 广西欧讯科技服务有限责任公司 | Durable hydraulic cylinder for ship |
| CN106438559A (en) * | 2016-10-14 | 2017-02-22 | 广西欧讯科技服务有限责任公司 | Ship hydraulic oil cylinder |
| CN107255101A (en) * | 2017-07-20 | 2017-10-17 | 常州液压成套设备厂有限公司 | Interior hexagonal hydraulic piston rod cylinder |
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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: 20130116 Termination date: 20140929 |
|
| EXPY | Termination of patent right or utility model |