CN203051741U - Piston cylinder body - Google Patents
Piston cylinder body Download PDFInfo
- Publication number
- CN203051741U CN203051741U CN 201220734709 CN201220734709U CN203051741U CN 203051741 U CN203051741 U CN 203051741U CN 201220734709 CN201220734709 CN 201220734709 CN 201220734709 U CN201220734709 U CN 201220734709U CN 203051741 U CN203051741 U CN 203051741U
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- CN
- China
- Prior art keywords
- aperture section
- compensate opening
- cylinder
- piston
- diameter
- 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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Abstract
The utility model disclose a piston cylinder body which is provided with a compensating hole, wherein the compensating hole comprises a large-diameter section and a small-diameter section, and the small-diameter section is directly communicated with an inner cavity of the piston cylinder body. Through the arrangement, the piston cylinder body can effectively solve the problems that when the compensating hole is machined, a machining method from interior to exterior is adopted, and a through hole can not be formed due to limitation of a travel distance of a machining tool for the compensating hole.
Description
Technical field
The utility model relates to the piston technical field, particularly a kind of piston/cylinder.
Background technique
The cylinder hole of piston/cylinder comprises oil inlet hole and compensate opening, below content will be described in detail cylinder body compensate opening of the prior art and processing method thereof.
Please refer to Fig. 1, Fig. 1 is housing structure schematic representation in the prior art.
Cylinder body is provided with oil-feed tank 01, and the bottom of oil-feed tank 01 is provided with oil inlet hole 02 and the compensate opening 03 that is connected with inner chamber of cylinder block, and wherein, the diameter of compensate opening 03 is very little.
In the prior art, the processing technology of compensate opening 03, as described below usually, a kind of is from outside to inside direction boring, yet by the compensate opening 03 that this kind processing technology processes, machined burrs is easily stayed the position that compensate opening 03 is connected with inner chamber of cylinder block, because the diameter of compensate opening 03 is less, so burr is easy to clean not, if deburred is unclean, in the reciprocating motion of the pistons process, can scratch leather cup, cause the master cylinder assembly life-span influenced.
Given this, those skilled in the art's imagination is processed compensate opening 03 by direction from inside to outside, and like this, the burr that processing produces just can have been stayed the cylinder body outside, is easy to clean out.
Yet, adopt processing method from inside to outside, cutter processing stroke limiting, compensate opening can not be processed to through hole.
Therefore, how to solve when adopting from inside to outside processing method, compensate opening is subjected to the restriction of cutter processing stroke, and can not form the problem of through hole, becomes those skilled in the art's important technological problems to be solved.
The model utility content
For solving the problems of the technologies described above, the utility model provides a kind of piston/cylinder, when it can effectively solve the processing compensate opening, adopts processing method from inside to outside, is subjected to the restriction of compensate opening machining tool stroke, and can not forms the problem of through hole.
A kind of piston/cylinder that the utility model provides, it is provided with compensate opening, and described compensate opening comprises large aperture section and small aperture section, and described small aperture section directly is communicated with the inner chamber of described piston/cylinder.
Preferably, the diameter of described large aperture section is more than the twice of diameter of described small aperture section.
Preferably, the diameter of described large aperture section is three times of diameter of described small aperture section.
Preferably, the degree of depth of described large aperture section is greater than the degree of depth of described small aperture section.
Preferably, the degree of depth of described large aperture section is more than the twice of the degree of depth of described small aperture section.
The piston/cylinder that the utility model provides, it is provided with compensate opening, and described compensate opening comprises large aperture section and small aperture section, and described small aperture section directly is communicated with the inner chamber of described piston/cylinder.So arrange, when the compensate opening of the piston/cylinder that provides of processing the utility model, can at first adopt the direction of the bigger common drilling tool ecto-entad of diameter to process the large aperture section, then adopt the less compensate opening processing drilling tool of diameter, direction is from inside to outside processed, process the small aperture section, and be connected with the large aperture section and get final product.So, when having solved the processing compensate opening, adopt processing method from inside to outside, be subjected to the restriction of compensate opening machining tool stroke, and can not form the problem of through hole.The technological scheme that the utility model provides has realized that compensate opening gets processing from inside outwards, and machined burrs remains in large aperture fragment position easy to clean, and no burr is residual in the inner chamber of cylinder block, and the cylinder assembly life-span is improved.In addition, the compensate opening machining tool is saved processing compensate opening cost because diameter is less, and the common relatively drilling tool cost of its cost is higher, and the processing length of compensate opening machining tool is shorter relatively, and tool wear can be slowed down.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, the accompanying drawing that describes below only is some embodiments that put down in writing in the utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is housing structure schematic representation in the prior art;
Fig. 2 is housing structure schematic representation in the utility model embodiment;
Among Fig. 1:
Oil-feed tank-01, oil inlet hole-02, compensate opening-03;
Among Fig. 2:
Large aperture section-11, small aperture section-12.
Embodiment
This embodiment provides a kind of piston/cylinder, when it can effectively solve the processing compensate opening, adopts processing method from inside to outside, is subjected to the restriction of compensate opening machining tool stroke, and can not forms the problem of through hole.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills belong to protection domain of the present utility model not making the every other embodiment who obtains under the creative work prerequisite.
Please referring to Fig. 2, Fig. 2 is housing structure schematic representation in the utility model embodiment.
Piston/cylinder provided in the present embodiment, it is provided with compensate opening, and compensate opening comprises large aperture section 11 and small aperture section 12, and small aperture section 12 directly is communicated with the inner chamber of piston/cylinder.
So arrange, when the compensate opening of the piston/cylinder that provides of processing the utility model, can at first adopt the direction of the bigger common drilling tool ecto-entad of diameter to process large aperture section 11, then adopt the less compensate opening processing drilling tool of diameter, direction is from inside to outside processed, process small aperture section 12, and be connected with large aperture section 11 and get final product.So, when having solved the processing compensate opening, adopt processing method from inside to outside, be subjected to the restriction of compensate opening machining tool stroke, and can not form the problem of through hole.
The technological scheme that this embodiment provides has realized that compensate opening gets processing from inside outwards, and machined burrs remains in large aperture section 11 position easy to clean, and no burr is residual in the inner chamber of cylinder block, and the cylinder assembly life-span is improved.In addition, the compensate opening machining tool is saved processing compensate opening cost because diameter is less, and the common relatively drilling tool cost of its cost is higher, and the processing length of compensate opening machining tool is shorter relatively, and tool wear can be slowed down.
Need to prove, if the equal diameters of the diameter of large aperture section 11 and small aperture section 12 or differ less, finish after the manufacturing procedure of large aperture section 11, before the processing of carrying out small aperture section 12, the compensate opening machining tool is positioned, in case there is error in the location, the shaft axis that is the compensate opening machining tool does not overlap with the center line of large aperture section 11, and small aperture section 12 and 11 of large aperture sections can not communicate or influence the unobstructed property of compensate opening.
Given this, in the preferred version of this embodiment, the diameter of large aperture section 11 is three times of diameter of small aperture section 12.So arrange, finish after the manufacturing procedure of large aperture section 11, when the compensate opening machining tool is located, even the shaft axis of compensate opening machining tool does not overlap with the center line of large aperture section 11, can guarantee that also the small aperture section 12 that processes has unobstructed property preferably.Certainly, the diameter of large aperture section 11 also can be other multiple of the diameter of small aperture section 12, only needs the diameter of large aperture section 11 greater than the diameter of small aperture section 12, namely falls within the utility model limited range.
In addition, in another preferred version of this embodiment, the degree of depth of large aperture section 11 can be the twice of the degree of depth of small aperture section 12.So arrange, can effectively shorten the processing stroke of compensate opening machining tool, reduced the wearing and tearing of compensate opening machining tool, reduced cost of production.Certainly, the degree of depth of large aperture section 11 can be other multiple of the degree of depth of small aperture section 12, such as, three times, four times etc., as long as the degree of depth of large aperture section 11 namely falls within the utility model limited range greater than the degree of depth of small aperture section 12.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments is apparent to those skilled in the art, and defined General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments herein.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the wide range consistent with principle disclosed herein and features of novelty.
Claims (5)
1. piston/cylinder, it is provided with compensate opening, it is characterized in that, and described compensate opening comprises large aperture section and small aperture section, and described small aperture section directly is communicated with the inner chamber of described piston/cylinder.
2. piston/cylinder as claimed in claim 1 is characterized in that, the diameter of described large aperture section is more than the twice of diameter of described small aperture section.
3. piston/cylinder as claimed in claim 2 is characterized in that, the diameter of described large aperture section is three times of diameter of described small aperture section.
4. piston/cylinder as claimed in claim 1 is characterized in that, the degree of depth of described large aperture section is greater than the degree of depth of described small aperture section.
5. piston/cylinder as claimed in claim 4 is characterized in that, the degree of depth of described large aperture section is more than the twice of the degree of depth of described small aperture section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734709 CN203051741U (en) | 2012-12-27 | 2012-12-27 | Piston cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220734709 CN203051741U (en) | 2012-12-27 | 2012-12-27 | Piston cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051741U true CN203051741U (en) | 2013-07-10 |
Family
ID=48734695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220734709 Expired - Lifetime CN203051741U (en) | 2012-12-27 | 2012-12-27 | Piston cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051741U (en) |
-
2012
- 2012-12-27 CN CN 201220734709 patent/CN203051741U/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 | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGXI PROVINCE AUTOMOBILE GROUP CO., LTD. Free format text: FORMER NAME: WULING AUTOMOBILE CO., LTD., LIUZHOU |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee after: Guangxi Automobile Group Co.,Ltd. Patentee after: Liuzhou Wuling Automobile Industry Co.,Ltd. Address before: 545007 Liuzhou Hexi Road, the Guangxi Zhuang Autonomous Region, No. 18 Patentee before: Liuzhou Wuling Motors Co.,Ltd. Patentee before: Liuzhou Wuling Automobile Industry Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |