CN203526477U - Shooting board capable of efficiently sealing with oil duct core box - Google Patents
Shooting board capable of efficiently sealing with oil duct core box Download PDFInfo
- Publication number
- CN203526477U CN203526477U CN201320747136.XU CN201320747136U CN203526477U CN 203526477 U CN203526477 U CN 203526477U CN 201320747136 U CN201320747136 U CN 201320747136U CN 203526477 U CN203526477 U CN 203526477U
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- China
- Prior art keywords
- core box
- oil duct
- annular
- sand
- deep gouge
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Abstract
The utility model provides a shooting board capable of efficiently sealing with an oil duct core box. A plurality of sand shooting vents are formed in a board body, a sealed annular grit channel is arranged on the shooting board, all the sand shooting vents are totally located in the area where the annular grit channel is located, an annular sealing strip is installed in the annular grit channel, the external side surface of the annular sealing strip extrudes the surface of the shooting board, and the external side surface of the annular sealing strip is used for tightly contacting the end surface of the oil duct core box. The annular grit channel is used for intensively surrounding a plurality of sand shooting vents, the annular sealing strip is used for integrally sealing a plurality of sand shooting vents (the annular sealing strip is contacted with the end surface of the oil duct core box to form seal), and the annular grit channel can be processed and formed at a time, which is convenient to process and low in cost; processing and forming the annular grit channel at a time can ensure the same height in the dimensions of the internal bottom surface of the annular grit channel, and after the annular sealing strip is installed, seal has no gaps and good effects; the position of the annular sealing strip in the annular grit channel is stable, the annular sealing strip is not easy to fall off or damage, and therefore, service lives are long.
Description
Technical field
The utility model relates to a kind of and a kind of mfg. moulding die crankcase of automobile engine---oil duct core box is supporting penetrates plate, relate in particular to a kind of can with oil duct core box efficient sealed penetrate plate.
Background technology
When the crankcase of automobile engine is produced in resin sand casting, its cast model is all combined into a block mold by main core, water channel core, oil duct core, outside core and end face core etc. conventionally.Wherein, the coremaking of oil duct core is penetrated precoated sand by hot core machine and is entered the moulding of oil duct core box.In penetrating process processed, precoated sand is put into and is penetrated head from sand hopper, under pressure air effect, from penetrating the sand-spraying hole of plate, injects oil duct core box.Because precoated sand is to penetrate sand under pressure air effect, the mobility of its sand grains is very good, is easy to from penetrating gap between plate and the end face of oil duct core box to external leakage.The existing method that prevents that sand grains from leaking sand is, in each sand-spraying hole circumference outside of penetrating plate, opens a circular groove, loads onto silica gel sealing ring and seals.This method to a certain extent can anti-leak-stopping sand, but there are two problems: the one, when the silica gel sealing ring packing into is more, in penetrating process processed, penetrate between plate and oil duct core box and can cause leaking sand because penetrating the differ inconsistent gap that produces of height of the silica gel sealing ring that causes installation of sand mouth size, the oil duct core shape that affects working environment and ejaculation is imperfect; The 2nd, because silica gel sealing ring is less, in use easily come off, fragile, reduced production efficiency, increased again cost.
Utility model content
The purpose of this utility model with regard to be to provide in order to address the above problem a kind of can with oil duct core box efficient sealed penetrate plate.
The utility model is achieved through the following technical solutions above-mentioned purpose:
Described in the utility model can with oil duct core box efficient sealed penetrate plate, its plate body is provided with a plurality of sand-spraying holes, describedly penetrate the ring-type deep gouge that plate is provided with sealing, all described sand-spraying holes are all positioned at described ring-type deep gouge region, in described ring-type deep gouge, annular seal bar is installed, described in the outer surface of described annular seal bar protrudes from, penetrate the surface of plate, the outer surface of described annular seal bar is for the end face close contact with described oil duct core box.Adopt ring-type deep gouge that a plurality of sand-spraying holes are concentrated and surrounded, utilize annular seal bar to carry out integral sealing (with forming sealing after the end contact of oil duct core box) to a plurality of sand-spraying holes, thereby the ring structure of the most amounts of tradition is changed into the annular seal bar structure of small number, the sealing effectiveness of having realized.
Particularly, described ring-type deep gouge is rectangle fillet deep gouge or oval deep gouge, specifically according to the arrangement architecture of a plurality of sand-spraying holes, determines.
According to practical application needs, described ring-type deep gouge and described annular seal bar are one; Or described ring-type deep gouge and described annular seal bar are a plurality of and corresponding one by one, a plurality of described sand-spraying holes lay respectively in a plurality of described ring-type deep gouges region.
Particularly, described oil duct core box comprises the left mould of core box and the right mould of core box, described a plurality of sand-spraying hole is aimed at respectively a plurality of spaces between the left mould of described core box and the right mould of described core box, outer surface while and one end end face of the left mould of described core box and one end end face close contact of the right mould of described core box of described annular seal bar.This structure of oil duct core box is to apply at present more structure.
The beneficial effects of the utility model are:
The utility model adopts ring-type deep gouge that a plurality of sand-spraying holes are concentrated and surrounded, and utilizes annular seal bar to carry out integral sealing (with forming sealing after the end contact of oil duct core box) to a plurality of sand-spraying holes, and ring-type deep gouge once can machine, easy to process, cost is low; Process at one time and can guarantee that the inner bottom surface size of ring-type deep gouge is contour, its sealing gapless, effective after installation ring-type sealing strip; Annular seal bar is position stability in ring-type deep gouge, difficult drop-off and damage in use, long service life.
Accompanying drawing explanation
Fig. 1 is the stereogram when penetrating plate ring-type sealing strip not being installed described in the utility model;
Fig. 2 is that the plate of penetrating described in the utility model is installed the stereogram after ring-type sealing strip;
Fig. 3 is the plate cutaway view in when application of penetrating described in the utility model;
Fig. 4 is the stereogram that tradition is penetrated plate.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As depicted in figs. 1 and 2, described in the utility model can with oil duct core box efficient sealed penetrate plate 1, its plate body is provided with the sand-spraying hole 3 of a plurality of " one " word arrangement, penetrate the ring-type deep gouge 2 that plate 1 is provided with a sealing, all sand-spraying holes 3 are all positioned at ring-type deep gouge 2 regions, annular seal bar 4 is installed in ring-type deep gouge 2, and the outer surface of annular seal bar 4 protrudes from the surface of penetrating plate 1, and the outer surface of annular seal bar 4 is for the end face close contact with oil duct core box.Ring-type deep gouge 2 is rectangle fillet deep gouge, can be also oval deep gouge.
As shown in Figure 3, described oil duct core box comprises the left mould 5 of core box, the right mould 6 of core box and core box cover half 7, and the left mould 5 of core box and the right mould 6 of core box are placed on core box cover half 7, between the left mould 5 of core box and the right mould 6 of core box, is provided with a plurality of spaces of aiming at respectively with a plurality of sand-spraying holes 3.During application, a plurality of sand-spraying holes 3 of penetrating plate 1 are aimed at respectively to a plurality of spaces between the left mould 5 of core box and the right mould 6 of core box, outer surface while and one end end face (the upper end end face in Fig. 3) of the left mould 5 of core box and one end end face (the upper end end face in Fig. 3) close contact of the right mould 6 of core box of annular seal bar 4.
In conjunction with Fig. 1 and Fig. 2, ring-type deep gouge 2 and annular seal bar 4 also can be for a plurality of and corresponding one by one, such as, ring-type deep gouge 2 and annular seal bar 4 are two, and a plurality of sand-spraying holes 3 lay respectively in two ring-type deep gouge 2 regions.The effect that this structure reaches is identical, just the quantity of ring-type deep gouge 2 and annular seal bar 4 is increased, and certainly, also can not being increased to tradition, to penetrate on plate the quantity of sealing ring so much.
As shown in Figure 4, tradition penetrates that on plate 10, also to have a plurality of these examples of sand-spraying hole 3(be 8), but there is no ring-type deep gouge 2, in the outside of sand-spraying hole 3, be provided with and penetrate sand mouth 9, each is penetrated sand mouth 9 and packs a silica gel sealing ring 8 into above, and it is identical with syndeton and Fig. 3 of oil duct core box.Due to processing or assembling, difference is penetrated the height of sand mouth 9 can not be in full accord, thereby cause: the sealing of part silica gel sealing ring 8 can exist gap and leak sand on the one hand; Too tight and the fragile or damage that part silica gel sealing ring 8 is pressed again on the other hand comes off.So tradition is penetrated plate and is not existed sealing effectiveness good and hold flimsy problem.The plate of penetrating of the present utility model in Fig. 1-Fig. 3 solves these problems.
Claims (6)
1. an energy and oil duct core box are efficient sealed penetrates plate, its plate body is provided with a plurality of sand-spraying holes, it is characterized in that: described in penetrate the ring-type deep gouge that plate is provided with sealing, all described sand-spraying holes are all positioned at described ring-type deep gouge region, in described ring-type deep gouge, annular seal bar is installed, described in the outer surface of described annular seal bar protrudes from, penetrate the surface of plate, the outer surface of described annular seal bar is for the end face close contact with described oil duct core box.
According to claim 1 can with oil duct core box efficient sealed penetrate plate, it is characterized in that: described ring-type deep gouge is rectangle fillet deep gouge or oval deep gouge.
According to claim 1 and 2 can with oil duct core box efficient sealed penetrate plate, it is characterized in that: described ring-type deep gouge and described annular seal bar are one.
According to claim 3 can with oil duct core box efficient sealed penetrate plate, it is characterized in that: described oil duct core box comprises the left mould of core box and the right mould of core box, described a plurality of sand-spraying hole is aimed at respectively a plurality of spaces between the left mould of described core box and the right mould of described core box, outer surface while and one end end face of the left mould of described core box and one end end face close contact of the right mould of described core box of described annular seal bar.
According to claim 1 and 2 can with oil duct core box efficient sealed penetrate plate, it is characterized in that: described ring-type deep gouge and described annular seal bar are a plurality of and corresponding one by one, and a plurality of described sand-spraying holes lay respectively in a plurality of described ring-type deep gouges region.
According to claim 5 can with oil duct core box efficient sealed penetrate plate, it is characterized in that: described oil duct core box comprises the left mould of core box and the right mould of core box, described sand-spraying hole is aimed at the space between the left mould of described core box and the right mould of described core box, outer surface while and one end end face of the left mould of described core box and one end end face close contact of the right mould of described core box of described annular seal bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747136.XU CN203526477U (en) | 2013-11-21 | 2013-11-21 | Shooting board capable of efficiently sealing with oil duct core box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747136.XU CN203526477U (en) | 2013-11-21 | 2013-11-21 | Shooting board capable of efficiently sealing with oil duct core box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203526477U true CN203526477U (en) | 2014-04-09 |
Family
ID=50412739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320747136.XU Expired - Fee Related CN203526477U (en) | 2013-11-21 | 2013-11-21 | Shooting board capable of efficiently sealing with oil duct core box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203526477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586421A (en) * | 2013-11-21 | 2014-02-19 | 四川省祥业机械铸造有限公司 | Shooting plate capable of being efficiently sealed together with oil passage core box |
-
2013
- 2013-11-21 CN CN201320747136.XU patent/CN203526477U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103586421A (en) * | 2013-11-21 | 2014-02-19 | 四川省祥业机械铸造有限公司 | Shooting plate capable of being efficiently sealed together with oil passage core box |
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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: 20140409 Termination date: 20191121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |