CN210397751U - Sectional type valve head of air inlet bypass valve - Google Patents
Sectional type valve head of air inlet bypass valve Download PDFInfo
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- CN210397751U CN210397751U CN201920927902.8U CN201920927902U CN210397751U CN 210397751 U CN210397751 U CN 210397751U CN 201920927902 U CN201920927902 U CN 201920927902U CN 210397751 U CN210397751 U CN 210397751U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model discloses a sectional type valve head of bypass valve admits air, which comprises a body, the cladding of body top has annular rubber pad, its characterized in that: the body includes components of a whole that can function independently upper seal portion and lower connecting portion, upper seal portion is open-topped hollow structure, annular rubber pad install in upper seal portion's top, lower connecting portion with upper seal portion coaxial setting, the external diameter of lower connecting portion is greater than upper seal portion's external diameter, the outer fringe face of lower connecting portion set up in the outside of upper seal portion bottom outer fringe, the bottom surface middle part of lower connecting portion through the connecting piece with upper seal portion's bottom riveting links to each other. The utility model provides high production efficiency has improved the qualification rate of product, has reduced the production degree of difficulty, has also reduced manufacturing cost.
Description
Technical Field
The utility model relates to a bypass valve especially relates to a sectional type valve head of bypass valve admits air.
Background
The intake bypass valve in the automobile turbocharger is mainly an exhaust gas regulating valve. In the prior art, the valve head is matched with the sealing ring, so that when the bypass valve works, the bypass valve needs to keep smooth movement and cannot have a clamping stagnation phenomenon. However, when the by-pass valve is in a non-working state, the by-pass valve needs to have good sealing performance, and the valve body is ensured to be airtight. In the assembly process of the valve body, the process edge of the bottom of the valve head needs to be matched with the sealing ring of the valve body, so that the valve body is ensured not to fall off after being assembled. However, it has the following disadvantages: 1. the valve head has a relatively complex structure of an injection mold due to the existence of a process edge, and has high requirements on an injection molding process; 2. due to the limitation of the technological edge, the positioning of the die in the process of coating the top of the valve head with glue needs to be accurate, and the quality control cost is high.
Simultaneously, when the valve head work, also be the valve head when reciprocating, the top surface at valve head top will be sealed with the passageway contact, and the bottom surface at valve head top can be sealed the valve body with the valve body contact, need all coat to glue at the top surface at valve head top and bottom surface and carry out the contact seal. However, in the prior art, the difficulty of coating rubber is high, the adhesion quality of rubber is not good enough, the bottom surface of the top of the valve head needs to be coated with rubber in a lathe groove, the difficulty is high, the cost is high, the size of the coated rubber is small, and the sealing quality can be ensured only with high precision. Therefore, the technical problem is solved by the skilled person in the art.
Disclosure of Invention
The utility model aims at providing a sectional type valve head of bypass valve admits air through using this structure, has reduced the convenience and the production degree of difficulty of product production, makes the injection mold die sinking simpler, reduces the mould cost, improves the product percent of pass, guarantees the stability of product size, also improves the adhesion quality of rubber.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a sectional type valve head of bypass valve admits air, includes the body, body top cladding has annular rubber pad, the body includes the last sealing of components of a whole that can function independently structure and lower connecting portion, it is open-top's hollow structure to go up the sealing, annular rubber pad install in the top of going up the sealing, lower connecting portion with go up the coaxial setting of sealing, the external diameter of lower connecting portion is greater than go up the external diameter of sealing, the outer fringe face of lower connecting portion set up in the outside of going up sealing bottom outer fringe, the bottom surface middle part of lower connecting portion through the connecting piece with the bottom riveting of going up the sealing links to each other.
In the above technical scheme, the lower connecting portion outside the outer edge of the bottom of the upper sealing portion forms a technical edge of the body.
In the above technical scheme, the top of the connecting piece penetrates through the bottom of the lower connecting part and the bottom of the upper sealing part to connect the lower connecting part with the bottom of the upper sealing part, and the top of the connecting piece is inserted into the upper sealing part.
In the above technical scheme, the bottom surface of the upper sealing portion is provided with a limiting groove, the top surface corresponding to the lower connecting portion is provided with a limiting protrusion, and the limiting protrusion is clamped in the limiting groove.
In the technical scheme, an annular bulge is arranged on the top surface of the upper sealing part, the inner diameter of the annular bulge is equal to that of the upper sealing part, the outer diameter of the annular bulge is larger than that of the upper sealing part, the inner edge surface of the annular bulge is flush with that of the upper sealing part, an annular groove is formed in the inner edge surface of the annular rubber pad, the annular rubber pad is coated on the outer portion of the annular bulge, the annular rubber pad is coated on the outer portions of the top surface, the bottom surface and the outer edge surface of the annular bulge, and the outer diameter of the annular bulge is larger than that of the lower connecting part.
In the technical scheme, an annular concave ring is arranged on the top surface of the annular protrusion, the inner edge surface of the annular concave ring is arranged close to the inner edge surface of the annular protrusion, the outer edge surface of the annular concave ring is arranged close to the outer edge surface of the annular protrusion, a plurality of groups of through grooves are uniformly distributed on the top surface of the annular concave ring in an annular manner, the through grooves are arranged close to the outer edge surface of the annular groove, the outer edge surface of each group of through grooves is flush with the outer edge surface of the annular concave ring, and the through grooves are arranged outside the body; the annular groove is internally provided with a plurality of connecting blocks, the top surface and the bottom surface of each connecting block are connected with the top surface and the bottom surface of the annular groove, and each connecting block is inserted into the through groove.
In the technical scheme, the upper part of the annular rubber gasket is clamped in the annular concave ring, and the upper inner edge surface of the annular rubber ring is flush with the inner edge surface of the annular concave ring.
In the technical scheme, the top of the annular rubber pad is provided with an annular convex part, and the annular convex part is arranged close to the upper inner edge surface of the annular rubber pad; the section of the annular convex part is of an arc structure protruding upwards.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the utility model discloses well body adopts the upper seal portion and the lower connecting portion of components of a whole that can function independently structure to constitute, and the lower connecting portion outside the lower of upper seal portion constitutes the technology limit of body, and like this when coating the rubber to the annular rubber pad at body top, injection mold's drawing of patterns is simpler, and the location is more accurate, and it is more convenient to coat the rubber, and the cost is cheaper, and the technology is simpler, and the qualification rate of product is higher;
2. in the utility model, the annular groove is directly arranged in the annular rubber pad, and the annular bulge is covered by the annular groove, so that the annular rubber pad is arranged at the top, the bottom and the outside of the annular bulge, and the annular rubber pad can be formed by one-time glue coating process, thereby effectively ensuring the covering force and the adhesion force of the glue coating, reducing the difficulty and the production cost of the production process, reducing the noise of valve head impact and ensuring the damping effect;
3. the utility model discloses in through set up a plurality of logical grooves on annular is protruding, set up the multiunit connecting block and insert the logical inslot that corresponds in the inside annular groove of ring rubber pad, can guarantee like this that ring rubber pad can be firm install on annular is protruding, the existence of obscission can not appear in the use, guarantees ring rubber pad's adhesive force and adhesion quality.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is an exploded schematic view of a first embodiment of the present invention.
Wherein: 1. an annular rubber pad; 2. an upper sealing part; 3. a lower connecting portion; 4. a connecting member; 5. a process edge; 6. a limiting groove; 7. a limiting bulge; 8. an annular projection; 9. an annular groove; 10. an annular concave ring; 11. a through groove; 12. connecting blocks; 13. an annular protrusion.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1 to 3, a sectional type valve head of an intake bypass valve comprises a body, wherein an annular rubber gasket 1 is coated on the top of the body, the body comprises an upper sealing part 2 and a lower connecting part 3 which are of a split structure, the upper sealing part 2 is of a hollow structure with an open top, the annular rubber gasket 1 is mounted on the top of the upper sealing part 2, the lower connecting part 3 and the upper sealing part 2 are coaxially arranged, the outer diameter of the lower connecting part 3 is larger than that of the upper sealing part 2, the outer edge surface of the lower connecting part is arranged outside the outer edge of the bottom of the upper sealing part, and the middle of the bottom surface of the lower connecting part 3 is connected with the bottom of the upper sealing part through a connecting piece 4 in a riveting manner. The lower connecting part outside the outer edge of the bottom of the upper sealing part forms a technical edge 5 of the body.
In this embodiment, the body adopts split type structure, that is to say, goes up sealing and the production of moulding plastics alone of lower sealing, and follow-up connecting piece of recycling assembles both, and production efficiency is high like this, and is of high quality, the injection mold's of being convenient for drawing of patterns moreover, and the injection mold structure is also simpler, and the cost is cheaper, and technology is also simpler. Meanwhile, in the prior art, after the body is integrally molded by injection, the body needs to be placed into an injection molding device to be coated with rubber at the top of the upper sealing part, and the flowing rubber is coated with the top of the upper sealing part by injection molding to be cured. However, due to the existence of the process edge, the structure of the mold is complex, the process difficulty of coating the glue is higher, the mold opening of the mold is more complex, and the mold and the production cost are higher. Therefore, in this embodiment, adopt the body of split type structure, can directly cover gluey technology with last sealing after, will connect down again and assemble with last sealing, efficient, of high quality, the technology is simpler.
The top of the connecting piece penetrates through the bottom of the lower connecting part and the bottom of the upper sealing part to connect the lower connecting part with the bottom of the upper sealing part, and the top of the connecting piece is inserted into the upper sealing part.
Referring to fig. 1 to 3, a limiting groove 6 is formed in the bottom surface of the upper sealing portion 2, a limiting protrusion 7 is formed on the top surface of the lower connecting portion, and the limiting protrusion is clamped in the limiting groove. Therefore, the upper sealing part and the lower connecting part are convenient to connect and assemble, and the assembling efficiency and the assembling quality are improved.
Referring to fig. 1 to 3, an annular protrusion 8 is arranged on the top surface of the upper sealing portion 2, the inner diameter of the annular protrusion 8 is equal to the inner diameter of the upper sealing portion, the outer diameter of the annular protrusion is larger than the outer diameter of the upper sealing portion, the inner edge surface of the annular protrusion is flush with the inner edge surface of the upper sealing portion, an annular groove 9 is arranged on the inner edge surface of the annular rubber pad, the annular rubber pad is wrapped on the outer portion of the annular protrusion through the annular groove, the annular rubber pad is wrapped on the top surface, the bottom surface and the outer edge surface of the annular protrusion, and the outer diameter of the annular protrusion is larger than the outer diameter of the lower connecting portion.
An annular concave ring 10 is arranged on the top surface of the annular protrusion 8, the inner edge surface of the annular concave ring is arranged close to the inner edge surface of the annular protrusion, the outer edge surface of the annular concave ring is arranged close to the outer edge surface of the annular protrusion, a plurality of groups of through grooves 11 are annularly and uniformly distributed on the top surface of the annular concave ring, the through grooves are arranged close to the outer edge surface of the annular groove, the outer edge surface of each group of through grooves is flush with the outer edge surface of the annular concave ring, and the through grooves are arranged outside the body; a plurality of connecting blocks 12 are arranged in the annular groove, the top surface and the bottom surface of each connecting block are connected with the top surface and the bottom surface of the annular groove, and each connecting block is inserted into the through groove.
In this embodiment, the annular rubber pad is directly coated on the annular protrusion by adopting a rubber coating process, that is, after the production of the body is completed, the annular protrusion is directly coated with flowing rubber, and then the annular rubber pad is cured to complete the connection of the annular rubber pad and the annular protrusion. In the past structure, a rubber pad is generally adhered to the top surface of the annular protrusion, a rubber pad is adhered to the lower surface of the annular protrusion, particularly, before the rubber pad is adhered to the lower surface of the annular protrusion, grooves need to be formed, the grooves are formed in the bottom of the annular protrusion, and the rubber pads are inconvenient to use. Therefore, in this embodiment, directly at the bellied outside cladding ring rubber pad of annular, and set up the annular groove in ring rubber pad inside, utilize the annular groove to live the bellied cladding of annular, wherein, adopt this kind of cladding structure, the material property of ring rubber pad itself, the cladding that will be tight is at the bellied top of annular, bottom and outside, wherein, in order to further prevent the skew of ring rubber pad position in the use, it is not good to lead to sealed effect, set up a plurality of logical grooves above the annular is protruding, set up a plurality of connecting blocks in the annular groove, utilize the connecting block to pass logical groove, the bellied outside of annular of cladding firmly of ring rubber pad, prevent the off normal of ring rubber pad position, guarantee the cladding quality, guarantee the quality of product, prevent gas leakage, improve the adhesive force and the adhesion quality of ring rubber pad, reduce the noise.
Referring to fig. 1 to 3, the upper portion of the annular rubber gasket is clamped in the annular concave ring, and the upper inner edge surface of the annular rubber ring is flush with the inner edge surface of the annular concave ring. On the basis of the connecting block and the through groove, the inner wall of the annular rubber pad is limited by the annular concave ring, so that the inside of the annular rubber pad is further prevented from being turned outwards, and the adhesive force and the adhesive quality of the annular rubber pad to the annular protrusion are ensured.
As described with reference to fig. 1-3. The top of the annular rubber pad is provided with an annular convex part 13 which is arranged close to the upper inner edge surface of the annular rubber pad; the section of the annular convex part is of an arc structure protruding upwards. The existence of the annular convex part of adopting the arc structure, in the valve head use, when that is exactly contacting with the part, can utilize the annular convex part to the part contact, when reducing area of contact, when the part was extruded to the annular convex part, the annular convex part can enough extrude sealed, can extrude increase area of contact again, guarantees sealed effect.
Claims (8)
1. The utility model provides a sectional type valve head of bypass valve admits air, includes the body, the body top cladding has annular rubber pad, its characterized in that: the body includes components of a whole that can function independently upper seal portion and lower connecting portion, upper seal portion is open-topped hollow structure, annular rubber pad install in upper seal portion's top, lower connecting portion with upper seal portion coaxial setting, the external diameter of lower connecting portion is greater than upper seal portion's external diameter, the outer fringe face of lower connecting portion set up in the outside of upper seal portion bottom outer fringe, the bottom surface middle part of lower connecting portion through the connecting piece with upper seal portion's bottom riveting links to each other.
2. The segmented valve head of an intake bypass valve according to claim 1, wherein: the outer lower connecting part at the outer edge of the bottom of the upper sealing part forms a technical edge of the body.
3. The segmented valve head of an intake bypass valve according to claim 1, wherein: the top of the connecting piece penetrates through the bottom of the lower connecting part and the bottom of the upper sealing part to connect the lower connecting part with the bottom of the upper sealing part, and the top of the connecting piece is inserted into the upper sealing part.
4. The segmented valve head of an intake bypass valve according to claim 1, wherein: the bottom surface of the upper sealing part is provided with a limiting groove, the top surface of the lower connecting part is provided with a limiting bulge, and the limiting bulge is clamped in the limiting groove.
5. The segmented valve head of an intake bypass valve according to claim 1, wherein: the sealing structure is characterized in that an annular bulge is arranged on the top surface of the upper sealing part, the inner diameter of the annular bulge is equal to that of the upper sealing part, the outer diameter of the annular bulge is larger than that of the upper sealing part, the inner edge surface of the annular bulge is flush with that of the upper sealing part, an annular groove is formed in the inner edge surface of the annular rubber pad, the annular rubber pad is coated on the outer portion of the annular bulge, the annular rubber pad is coated on the outer portions of the top surface, the bottom surface and the outer edge surface of the annular bulge, and the outer diameter of the annular bulge is larger than that of the lower connecting part.
6. The segmented valve head of an intake bypass valve according to claim 5, wherein: an annular concave ring is arranged on the top surface of the annular protrusion, the inner edge surface of the annular concave ring is arranged close to the inner edge surface of the annular protrusion, the outer edge surface of the annular concave ring is arranged close to the outer edge surface of the annular protrusion, a plurality of groups of through grooves are annularly and uniformly distributed on the top surface of the annular concave ring, the through grooves are arranged close to the outer edge surface of the annular groove, the outer edge surface of each group of through grooves is flush with the outer edge surface of the annular concave ring, and the through grooves are arranged outside the body; the annular groove is internally provided with a plurality of connecting blocks, the top surface and the bottom surface of each connecting block are connected with the top surface and the bottom surface of the annular groove, and each connecting block is inserted into the through groove.
7. The segmented valve head of an intake bypass valve according to claim 6, wherein: the upper portion of the annular rubber pad is clamped in the annular concave ring, and the upper inner edge surface of the annular rubber pad is flush with the inner edge surface of the annular concave ring.
8. The segmented valve head of an intake bypass valve according to claim 1, wherein: the top of the annular rubber pad is provided with an annular convex part which is arranged close to the upper inner edge surface of the annular rubber pad; the section of the annular convex part is of an arc structure protruding upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927902.8U CN210397751U (en) | 2019-06-19 | 2019-06-19 | Sectional type valve head of air inlet bypass valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927902.8U CN210397751U (en) | 2019-06-19 | 2019-06-19 | Sectional type valve head of air inlet bypass valve |
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| Publication Number | Publication Date |
|---|---|
| CN210397751U true CN210397751U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920927902.8U Active CN210397751U (en) | 2019-06-19 | 2019-06-19 | Sectional type valve head of air inlet bypass valve |
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| CN (1) | CN210397751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107701A (en) * | 2019-06-19 | 2019-08-09 | 太仓源凯汽车配件有限公司 | A kind of segmented valve head of air inlet by-passing valve |
-
2019
- 2019-06-19 CN CN201920927902.8U patent/CN210397751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107701A (en) * | 2019-06-19 | 2019-08-09 | 太仓源凯汽车配件有限公司 | A kind of segmented valve head of air inlet by-passing valve |
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