CN109844384A - Piston and method for manufacturing piston - Google Patents
Piston and method for manufacturing piston Download PDFInfo
- Publication number
- CN109844384A CN109844384A CN201780066884.2A CN201780066884A CN109844384A CN 109844384 A CN109844384 A CN 109844384A CN 201780066884 A CN201780066884 A CN 201780066884A CN 109844384 A CN109844384 A CN 109844384A
- Authority
- CN
- China
- Prior art keywords
- piston
- inclined hole
- hole
- mouth
- longitudinal direction
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0716—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides with fluid passages through the valve member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Sliding Valves (AREA)
Abstract
公开了一种用于滑阀的活塞，在该活塞中穿过该活塞伸展的流动路径通过一个或者多个斜孔构造，以用于将圆周侧的接头彼此连接起来。
A piston for a spool valve is disclosed, in which a flow path extending through the piston is formed by one or more slanted bores for connecting circumferential-side connections to one another.
Description
Technical field
The present invention relates to a kind of pistons as described in the preamble in particular for slide valve according to claim 1.In addition, this
Invention is related to a kind of method for manufacturing such piston.
Background technique
It is aware of slide valve from the prior art, the slide valve has piston hole or sliding valve hole, and piston is can axially move
Dynamic mode is loaded into the piston hole or sliding valve hole.The piston has one or more of for different conversions
The control edge of position.Know that such piston can have the fluid channel across the piston extension, the fluid channel energy
It is enough made up of the longitudinal hole of blind hole shape, then extends the vertical radial hole of star-shaped standard from the longitudinal hole.It is described vertical
It is then airtightly closed by the bolt being sealed on to hole.Thus the piston is configured to hollow piston.
Summary of the invention
In contrast, the task of the present invention is, a kind of piston is provided, the piston cost is relatively low ground and on device technique
It is easily configured.In addition, the task of the present invention is provide a kind of for manufacturing piston, low-cost method.
Feature of the task in terms of piston according to claim 1 is resolved and wants in terms of method according to right
10 feature is asked to be resolved.
Of the invention is advantageously improved the theme that scheme is dependent claims.
According to the present invention, be provided with a kind of piston, the piston for slide valve or for Jing Guo pre-control hydraulic valve or
Person is for the conversion direction valve (Schaltwegeventil) Jing Guo pre-control.Flow path or fluid are configured in the piston
Channel.The fluid channel has at least two remittance mouths being staggered along the longitudinal direction of piston.These import mouth particularly for even
Connect the slide valve, in terms of piston circumference connector.The flow path is constituted advantageous by one or more inclined hole.
In other words, multiple divide by a tilting drilling or circumferentially across the fluid channel of the piston extension
The tilting drilling of cloth is constituted.The advantages of this solution be or not as in the prior art must be troublesomely in diameter
It is directed upwardly into drilling and longitudinal hole, wherein the longitudinal hole is then brazed with bolt.It can easily only on device technique
Only introduce one or more inclined hole.
In another design scheme of the invention, at least one can be set along the first longitudinal direction direction of the piston
Orientation, with first import mouth the first inclined hole and at least one along the piston second longitudinal direction direction orient,
The second inclined hole for importing mouth with second.It is then described at least one first and at least one second inclined hole can intersect, with
In the connection for the fluid established by simple mode between the remittance mouth.It is described at least one first and at least one second
The remittance mouth of inclined hole is staggered preferably along the longitudinal direction of the piston herein, at least two circles for connecting the slide valve
The connector of side.If being only provided only with inclined hole as an alternative, which such as can be completely diagonally across institute
Piston is stated to extend.
In at least one described first intersecting area at least one the second inclined hole, then by cutting come advantageously
Construct the inner space axially extended or the blister cavities axially extended.It the inner space then can be on device technique
Easily there is sizable cross section, fluid can then be flowed by the cross section.In other words, the drilling is handed over
It folds and forms the blister cavities axially extended on the end of the overlapping drilling in the core of the piston.
It is preferred that multiple first inclined holes are arranged in a manner of being circumferentially distributed and multiple second inclined hole rings are to be circumferentially distributed
Mode be arranged, first inclined hole and second inclined hole then intersect, and thus improve flow cross section in a simple manner.
First inclined hole first remittance mouth seen advantageously along the longitudinal direction of the piston be disposed generally on it is identical
Axial position in.In addition, the second remittance mouth of second inclined hole can be seen substantially along the longitudinal direction of the piston
It is arranged in identical axial position.
The inclined hole is seen preferably along radial direction substantially to intersect at the center of the piston.
The further preferred inclined hole is intersected respectively in end side with the end of its inside.
The inclined hole correspondingly can show greatly 45 ° of angle relative to the longitudinal axis of the piston to arrange.
In addition, corresponding inclined hole can extend towards the direction with longitudinal share and radial share.
It is preferred that first and second inclined hole forms the first drilling group.It is other to be advantageously further provided at least one
Drilling group with the third and fourth inclined hole.The second drilling group preferably along the piston longitudinal direction read fortune for institute
It states the first drilling group to be axially staggered, thus the drilling group is non-intersecting.The drilling group can construct in a similar way.
The second drilling group preferably has one or more third inclined hole, and the third inclined hole is such as approximately according to institute
The first inclined hole is stated to construct.In addition, the second drilling group can have one or more the 4th inclined hole, the 4th inclined hole
For example it constructs approximately according to second inclined hole.
For example the longitudinal axis difference of first inclined hole and/or the second inclined hole and/or third inclined hole and/or the 4th inclined hole is big
Cause is conically arranged.
In another design scheme of the invention, easily inlet or converged converging accordingly on device technique
Construction control edge at a part of entrance.Corresponding control edge such as can be by cutting holes or passing through groove or pass through
Especially radial blind drilling is especially configured with the depth of very little.It is preferred that the groove has substantial cylindrical cross section.This
It can provide outside, the groove is introduced approximately along radial direction.The hole milling or groove or the preferred tool of blind drilling
There is the diameter bigger than affiliated inclined hole.It is configured with the depth with very little
Radial blind drilling, the blind drilling construction is before the inclined hole.
In another design scheme of the invention, described first imports mouth and/or the second remittance mouth and/or third remittance
Mouth and/or the 4th remittance mouth are respectively configured in the radial flange of the piston.Also it is contemplated that the third imports mouth and the
Two import outlet structure in common radial flange.
According to the present invention, it is provided with a kind of for manufacturing according to work described in one or more aspect in aforementioned aspects
The method of plug, this method have follow steps:
The pre-turning part or semi-finished product of the piston at least one inclined hole are manufactured particularly by machining.It is needing
In terms of one or more in terms of Shi Erhou can construct other in the pre-turning part or semi-finished product.
Piston is quenched, especially impewdance matching, wherein especially being quenched to lateral surface or overall diameter.
The piston is finally processed, especially machining, especially grind, wherein especially to lateral surface or
Person's overall diameter is ground.
Detailed description of the invention
A preferred embodiment of the present invention is explained in detail below by way of schematic diagram.
Fig. 1 is shown with vertical section by piston of the invention with perspective view；
Fig. 2 shows the interception parts of the amplification of the piston of Fig. 1；
Fig. 3 with vertical section show Fig. 1 by piston of the invention；And
Fig. 4 is shown in the present inventive method with process.
Specific embodiment
The detailed description of preferred embodiment.
The piston 1 for slide valve is shown with vertical section according to Fig. 1.There are three the radial convexes being arranged in series for piston tool
Edge 2,4 and 6.Two control edges 8 and 10 are configured on intermediate radial flange 4.In addition, the radial flange 2 and 6 point of side
There is not be directed toward intermediate radial flange 4 and control edge 12 or 14.
In order to which the connector in slide valve is joined to one another, as such as compression fittings and storage tank connector are connected,
Flow path is provided in the piston 1.First flow path is made up of the first inclined hole 16,18 and the second inclined hole 20,22.?
It correspondingly can be seen that two inclined holes according to Fig. 1 in first inclined hole 16,18 and the second inclined hole 20,22, wherein can be arranged
It is multiple, as such as three or four inclined holes, the inclined hole can be distributed evenly along circumferencial direction.First inclined hole 16
It is starting point sideling inwards towards the longitudinal axis extension of the piston 1 and generally towards next radial direction with the radial flange 2 of side
Flange 4 extends.And the second inclined hole 20,22 radial flanges 4 with centre are the longitudinal axis that starting point favours the piston 1
The radial flange 2 of line towards side extends.The inclined hole 16 to 22 then end side the piston 1, in radial flange 2 with
Intersect in the region of centre between 4.The inner space 24 of lengthwise is then configured in intersecting area.
It is oblique that third is provided in the case where being axially staggered relative to first and second inclined hole 16 to 22
Hole 26,28 and the 4th inclined hole 30,32.Here, can also be arranged multiple third inclined holes 26,28 and multiple 4th inclined holes 30,32, as
For example three or four inclined holes, the inclined hole can be circumferentially evenly distributed respectively.The third inclined hole 26,28
Sideling extended inwards with the direction that intermediate radial flange 4 is starting point towards the radial flange 6 of another side.And the described 4th
Inclined hole 30,32 radial flanges 6 with side are that starting point sideling extends inwards generally towards intermediate radial flange 4.It is described oblique
Hole 26 to 32 is then compared in the region of the centre of the piston 1 in end side respectively, wherein being configured with the interior of another lengthwise
Portion space 34.This inner space, which is axially seen, to be arranged between the radial flange 4 and 6.
It is explained in detail according to remittance mouth 36 of the Fig. 2 to the inclined hole 26, wherein being correspondingly configured with other inclined holes 16
To 22 and 28 to 32 other remittance mouth.The mouth 36 that imports is made up of radial groove 38, and the groove has substantially
Cylindrical section.The diameter of the groove 38 is greater than the diameter of affiliated inclined hole 26 herein.The groove 38 then constitutes institute
The control edge of definition.
According to Fig. 3, it can be seen that correspondingly the first inclined hole, as such as inclined hole 16 and the second inclined hole, as such as inclined hole 20 it is big
Cause is arranged to V-arrangement relative to each other.First inclined hole and the second inclined hole be evenly distributed accordingly along circumferencial direction and
It is in common plane in couples respectively.
Pre-turning part is constructed for the method for manufacturing the piston, it is specified that in first step 40 according to Fig. 4,
Inclined hole and the remittance mouth with control edge are provided in the pre-turning part.Then quenched in second step 42 by induction
Fire handles the pre-turning part, wherein especially handle herein the lateral surface of the piston 1.Then next
Especially the pre-turning part is ground from lateral surface in a step 44.
Disclose a kind of piston for slide valve, the flow path in the piston across the piston extension by one or
Person multiple inclined holes construct, for the connector of circumference to be joined to one another.
Reference signs list:
1 piston
2 radial flanges
4 radial flanges
6 radial flanges
8 control edges
10 control edges
12 control edges
14 control edges
16 first inclined holes
18 first inclined holes
20 second inclined holes
22 second inclined holes
24 inner spaces
26 third inclined holes
28 third inclined holes
30 the 4th inclined holes
32 the 4th inclined holes
34 inner spaces
36 import mouth
38 grooves
40 first steps
42 second steps
44 third steps
Claims (10)
1. being used for the piston of slide valve, the piston has the flow path (16,20) stretched across the piston (1), the stream
Dynamic path have it is at least two being staggered along the longitudinal direction of the piston (1), at least two connectors of slide valve to be connected
Pick up the remittance mouth (36) come, which is characterized in that the flow path (16,20) passes through one or more inclined hole (16,20)
It constitutes.
2. it is fixed along the first longitudinal direction direction of the piston (1) to be provided at least one for piston according to claim 1
To, with first import mouth (36) the first inclined hole (16) and at least one along the piston (1) second longitudinal direction side
To orientation, with second import mouth (36) the second inclined hole (20), wherein it is described at least one first and at least one second
Inclined hole (16,20) intersection.
3. piston as described in claim 2, wherein it is described at least one first and at least one second inclined hole (16,20)
Intersecting area in be configured with the inner space (24) axially extended.
4. pressing piston described in claim 2 or 3, wherein multiple first inclined holes (16,18) are set in a manner of being circumferentially distributed
It sets, and plurality of second inclined hole (20,22) is arranged in a manner of being circumferentially distributed, wherein inclined hole (16 to the 22) phase
It hands over.
5. by piston described in any one of claim 2 to 4, wherein the inclined hole (16 to 22) is intersected in end side respectively.
6. by piston described in any one of claim 2 to 5, wherein being configured with control side importing at mouth (36) accordingly
Edge.
7. piston according to claim 6, wherein the control edge pass through hole milling respectively or by groove (38) or
It is constructed by blind drilling.
8. piston according to claim 7, wherein the hole milling or groove (38) or blind drilling have more oblique than affiliated
The especially slightly a little bigger diameter in hole (16 to 22).
9. by piston described in any one of preceding claims 2 to 8, wherein described first and/or second imports mouth (36) point
It Gou Zao not be in radial flange (2,4).
10. the method for manufacturing piston as any one of preceding claims, has follow steps:
The semi-finished product with the piston (1) of at least one inclined hole (16,20) are manufactured,
The piston (1) is quenched,
The piston (1) is finally processed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016221152.8 | 2016-10-27 | ||
| DE102016221152.8A DE102016221152A1 (en) | 2016-10-27 | 2016-10-27 | Piston and method of making a piston |
| PCT/EP2017/076424 WO2018077659A1 (en) | 2016-10-27 | 2017-10-17 | Piston and method for producing a piston |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109844384A true CN109844384A (en) | 2019-06-04 |
| CN109844384B CN109844384B (en) | 2022-05-13 |
Family
ID=60120051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780066884.2A Active CN109844384B (en) | 2016-10-27 | 2017-10-17 | Piston and method for producing a piston |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN109844384B (en) |
| DE (1) | DE102016221152A1 (en) |
| TW (1) | TWI755433B (en) |
| WO (1) | WO2018077659A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240414A (en) * | 2019-07-16 | 2021-01-19 | 罗伯特·博世有限公司 | Valve piston and valve with same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102022212663A1 (en) * | 2022-11-28 | 2024-05-29 | Robert Bosch Gesellschaft mit beschränkter Haftung | Hydraulic control spool with integral anti-twisting device, hydraulic valve and manufacturing process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941583A1 (en) * | 1979-10-13 | 1981-04-30 | Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim | Multiway control valve with control slide - incorporates individual ring channels connected or isolated according to slide position |
| CN87212160U (en) * | 1987-08-28 | 1988-06-08 | 朴龙奎 | Throttle-adjustable automatic-close valve |
| CN1080324A (en) * | 1992-03-04 | 1994-01-05 | 韦克新产业有限公司 | Guiding valve |
| US20060064974A1 (en) * | 2004-09-28 | 2006-03-30 | James Whitaker | Hydrostatic transmission circuit |
| CN104251240A (en) * | 2013-06-25 | 2014-12-31 | 罗伯特·博世有限公司 | Four-chamber cylinder for a hydraulic actuating device with emergency function and hydraulic actuating device employing same |
| CN104507769A (en) * | 2012-08-03 | 2015-04-08 | 罗伯特·博世有限公司 | Valve of a storage device having an opening means |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729861A (en) * | 1980-07-25 | 1982-02-17 | Kayaba Ind Co Ltd | Hydraulic pressure reduction structure of spool valve |
| JPS60172784A (en) * | 1983-11-08 | 1985-09-06 | Kayaba Ind Co Ltd | Spool valve |
| US9429240B2 (en) * | 2013-07-05 | 2016-08-30 | Komatsu Ltd. | Valve device |
-
2016
- 2016-10-27 DE DE102016221152.8A patent/DE102016221152A1/en active Pending
-
2017
- 2017-10-17 CN CN201780066884.2A patent/CN109844384B/en active Active
- 2017-10-17 WO PCT/EP2017/076424 patent/WO2018077659A1/en not_active Ceased
- 2017-10-25 TW TW106136730A patent/TWI755433B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2941583A1 (en) * | 1979-10-13 | 1981-04-30 | Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim | Multiway control valve with control slide - incorporates individual ring channels connected or isolated according to slide position |
| CN87212160U (en) * | 1987-08-28 | 1988-06-08 | 朴龙奎 | Throttle-adjustable automatic-close valve |
| CN1080324A (en) * | 1992-03-04 | 1994-01-05 | 韦克新产业有限公司 | Guiding valve |
| US20060064974A1 (en) * | 2004-09-28 | 2006-03-30 | James Whitaker | Hydrostatic transmission circuit |
| CN104507769A (en) * | 2012-08-03 | 2015-04-08 | 罗伯特·博世有限公司 | Valve of a storage device having an opening means |
| CN104251240A (en) * | 2013-06-25 | 2014-12-31 | 罗伯特·博世有限公司 | Four-chamber cylinder for a hydraulic actuating device with emergency function and hydraulic actuating device employing same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240414A (en) * | 2019-07-16 | 2021-01-19 | 罗伯特·博世有限公司 | Valve piston and valve with same |
| CN112240414B (en) * | 2019-07-16 | 2024-07-12 | 罗伯特·博世有限公司 | Valve piston and valve having the same |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016221152A1 (en) | 2018-05-03 |
| CN109844384B (en) | 2022-05-13 |
| WO2018077659A1 (en) | 2018-05-03 |
| TW201819804A (en) | 2018-06-01 |
| TWI755433B (en) | 2022-02-21 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |