CN207213276U - A kind of excavator hydraulic valve casting - Google Patents
A kind of excavator hydraulic valve casting Download PDFInfo
- Publication number
- CN207213276U CN207213276U CN201720685318.7U CN201720685318U CN207213276U CN 207213276 U CN207213276 U CN 207213276U CN 201720685318 U CN201720685318 U CN 201720685318U CN 207213276 U CN207213276 U CN 207213276U
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- CN
- China
- Prior art keywords
- runner
- longitudinal
- valve body
- longitudinal direction
- flow channels
- 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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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a kind of excavator hydraulic valve casting, the valve body moulding main body is in tetragonal body shape, the inside of valve body is provided with three longitudinal runners and a transverse flow channels, valve body surface is provided with several runner mouths, three longitudinal runners are parallel to each other and in same plane, the transverse flow channels and three longitudinal runners intersect vertically, and the runner mouth is corresponding with longitudinal runner inside valve body and transverse flow channels and communicates.The utility model advantage is that design is simple, easy to use, and ingenious rationally working service is convenient, long lifespan, and casting qualification rate greatly improves, and casting cost reduces.
Description
Technical field
It the utility model is related to valve body moulding field, more particularly to a kind of hydraulic pump of excavator valve body moulding and its casting side
Method.
Background technology
Though China is at present construction machinery production big country, industry is greatly without strong, low-and-medium-grade products production capacity surplus, high-grade liquid
Press element almost all to rely on import, the serious development for lagging behind main frame industry of development of Hydraulic Industry, turn into restriction equipment system
Make the main bottleneck of industry development.At present, China's hydraulic part industry integral fabrication technique level still has compared with international advanced country
Larger gap.
Excavator hydraulic valve casting send the key components and parts in system as hydraulic pump of excavator, the use to excavator
Life-span and performance have a significant impact, but because excavator hydraulic valve casting volume is thin, inner flow passage is tiny, the yield rate of product
It is relatively low.
Utility model content
In order to solve the above-mentioned technical problem, the utility model provides a kind of excavator hydraulic valve casting and its casting side
Method..
The utility model is realized with following technical scheme：
A kind of excavator hydraulic valve casting, including valve body (1), it is characterised in that the valve body (1) is internal
Provided with sprue and transverse flow channels (2), valve body (1) surface is provided with runner mouth, and the transverse flow channels (2) and sprue intersect
And in same level, the runner mouth is corresponding with valve body (1) inside sprue and transverse flow channels (2) and communicates.
Further, the sprue includes three longitudinal runners of level, three longitudinal runners of level be parallel to each other and
On same plane, first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) are followed successively by from left to right, its
Middle first longitudinal direction runner (3) and the 3rd longitudinal runner (5) run through valve body (1) front and rear surfaces, and second longitudinal direction runner (4) is located at
First longitudinal direction runner (3) and the middle of the 3rd longitudinal runner (5).
Further, the first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) are ladder
Type line flowing channel, wherein first longitudinal direction runner (3) and the 3rd longitudinal runner (5) include three close to endmost surface before valve body (1)
The different stepped runner of individual diameter, first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) are close to valve
Endmost surface includes the different stepped runner of two diameters to phosphor bodies (1) afterwards.
Further, the first longitudinal direction runner (3) and the 3rd longitudinal runner (5) interlude respectively include two circular arcs
Oil groove, circular arc oil groove are used to adjust flow velocity of the hydraulic oil in runner.
Further, the transverse flow channels (2) and three longitudinal runners of level intersect vertically after valve body (1)
Surface one end, second longitudinal direction runner (4) are used to connect transverse flow channels (2) and valve body (1) surface runner mouth afterwards.
Further, the transverse flow channels (2) are stepped line flowing channel, vertical positioned at first longitudinal direction runner (3) and the 3rd
It is less than the diameter at transverse flow channels (2) both ends to transverse flow channels (2) diameter between runner (5), the section of transverse flow channels (2) is circle
Shape.
Further, the valve body (1) is by casting and being integrally formed.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of three dimensional structure diagram of excavator hydraulic valve casting of the utility model；
Fig. 2 is a kind of front view of excavator hydraulic valve casting of the utility model；
Fig. 3 is a kind of rearview of excavator hydraulic valve casting of the utility model；
Fig. 4 is a kind of right view of excavator hydraulic valve casting of the utility model；
Fig. 5 is a kind of A-A sectional views of excavator hydraulic valve casting of the utility model.
In figure, 1- valve bodies, 2- transverse flow channels, 3- first longitudinal direction runners, 4- second longitudinal direction runners, the longitudinal directions of 5- the 3rd stream
Road.
Embodiment
In order that those skilled in the art more fully understand the utility model, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that be described
Embodiment is only the embodiment of the utility model part, rather than whole embodiments.Based on the reality in the utility model
Example is applied, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all should
When the scope for belonging to the utility model protection.
Embodiment：
A kind of excavator hydraulic valve casting, including valve body (1), it is characterised in that the valve body (1) is internal
Provided with sprue and transverse flow channels (2), valve body (1) surface is provided with runner mouth, and the transverse flow channels (2) and sprue intersect
And in same level, the runner mouth is corresponding with valve body (1) inside sprue and transverse flow channels (2) and communicates.
Further, the sprue includes three longitudinal runners of level, three longitudinal runners of level be parallel to each other and
On same plane, first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) are followed successively by from left to right, its
Middle first longitudinal direction runner (3) and the 3rd longitudinal runner (5) run through valve body (1) front and rear surfaces, and second longitudinal direction runner (4) is located at
First longitudinal direction runner (3) and the middle of the 3rd longitudinal runner (5), for connecting the stream on surface after transverse flow channels (2) and valve body
Road junction.
Further, the section of the first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) is equal
For circle and it is stepped line flowing channel, wherein first longitudinal direction runner (3) and the 3rd longitudinal runner (5) are close to valve body
(1) endmost surface runner is made up of the different stepped runner of three diameters before, and three diameters different stepped runner the past is extremely
Diameter is incremented by successively afterwards, and first longitudinal direction runner (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) are close to valve body
(1) endmost surface runner forms by the different stepped runner of two diameters afterwards, and the different stepped runner of two diameters is in the past
Successively decrease successively to rear diameter.
Further, the first longitudinal direction runner (3) and the 3rd longitudinal runner (5) interlude respectively include two circular arcs
Oil groove, circular arc oil groove are inner cavity, and circular arc oil groove is used to adjust flow velocity of the hydraulic oil in runner.
Further, the transverse flow channels (2) and three longitudinal runners of level intersect vertically after valve body (1)
Surface one end, second longitudinal direction runner (4) are used to connect transverse flow channels (2) and valve body (1) surface runner mouth afterwards.
Further, the transverse flow channels (2) are stepped line flowing channel, vertical positioned at first longitudinal direction runner (3) and the 3rd
It is less than the diameter at transverse flow channels (2) both ends to transverse flow channels (2) diameter between runner (5), the section of transverse flow channels (2) is circle
Shape.
Further, the valve body (1) is by casting and being integrally formed.
Key technology during a kind of excavator hydraulic valve cast casting,
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (7)
1. a kind of excavator hydraulic valve casting, including valve body (1), it is characterised in that set inside the valve body (1)
Have a sprue and transverse flow channels (2), valve body (1) surface is provided with runner mouth, the transverse flow channels (2) and sprue it is intersecting and
In same level, the runner mouth is corresponding with valve body (1) inside sprue and transverse flow channels (2) and communicates.
2. excavator hydraulic valve casting according to claim 1, it is characterised in that the sprue includes three levels
Longitudinal runner, three longitudinal runners of level are parallel to each other and in same planes, be followed successively by from left to right first longitudinal direction runner (3),
Second longitudinal direction runner (4) and the 3rd longitudinal runner (5), wherein first longitudinal direction runner (3) and the 3rd longitudinal runner (5) run through valve body
Main body (1) front and rear surfaces, second longitudinal direction runner (4) are located at the middle of first longitudinal direction runner (3) and the 3rd longitudinal runner (5).
3. excavator hydraulic valve casting according to claim 2, it is characterised in that the first longitudinal direction runner (3),
Two longitudinal runners (4) and the 3rd longitudinal runner (5) are stepped line flowing channel, and wherein first longitudinal direction runner (3) and the 3rd is indulged
It is made up of to runner (5) close to endmost surface runner before valve body (1) the different stepped runner of three diameters, first longitudinal direction stream
Road (3), second longitudinal direction runner (4) and the 3rd longitudinal runner (5) close to valve body (1) afterwards endmost surface runner by two diameters not
Same stepped runner composition.
4. excavator hydraulic valve casting according to claim 3, it is characterised in that the first longitudinal direction runner (3) and
3rd longitudinal runner (5) interlude respectively includes two circular arc oil grooves.
5. excavator hydraulic valve casting according to claim 2, it is characterised in that the transverse flow channels (2) and three
Horizontal longitudinal runner intersects vertically, and in close valve body (1), surface one end, second longitudinal direction runner (4) are used to connect horizontal stream afterwards
Road (2) and valve body (1) surface runner mouth afterwards.
6. excavator hydraulic valve casting according to claim 5, it is characterised in that the transverse flow channels (2) are ladder
Type line flowing channel, transverse flow channels (2) diameter between first longitudinal direction runner (3) and the 3rd longitudinal runner (5) are less than laterally
The diameter at runner (2) both ends, the section of transverse flow channels (2) is circle.
7. the excavator hydraulic valve casting according to any one in claim 1-6, it is characterised in that the valve body master
Body (1) is by casting and being integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685318.7U CN207213276U (en) | 2017-06-12 | 2017-06-12 | A kind of excavator hydraulic valve casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720685318.7U CN207213276U (en) | 2017-06-12 | 2017-06-12 | A kind of excavator hydraulic valve casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207213276U true CN207213276U (en) | 2018-04-10 |
Family
ID=61811935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720685318.7U Expired - Fee Related CN207213276U (en) | 2017-06-12 | 2017-06-12 | A kind of excavator hydraulic valve casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207213276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013723A (en) * | 2017-06-12 | 2017-08-04 | 南通华东油压科技有限公司 | A kind of excavator hydraulic valve casting |
| CN108405812A (en) * | 2018-05-04 | 2018-08-17 | 南通华东油压科技有限公司 | Excavator grab bucket control main valve body |
-
2017
- 2017-06-12 CN CN201720685318.7U patent/CN207213276U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107013723A (en) * | 2017-06-12 | 2017-08-04 | 南通华东油压科技有限公司 | A kind of excavator hydraulic valve casting |
| CN108405812A (en) * | 2018-05-04 | 2018-08-17 | 南通华东油压科技有限公司 | Excavator grab bucket control main valve body |
| CN108405812B (en) * | 2018-05-04 | 2023-08-18 | 南通华东油压科技有限公司 | Main valve body for controlling grab bucket of excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |