CN205532754U - Directly spout and arrange valve seat insert from inhaling automobile engine - Google Patents
Directly spout and arrange valve seat insert from inhaling automobile engine Download PDFInfo
- Publication number
- CN205532754U CN205532754U CN201620378342.1U CN201620378342U CN205532754U CN 205532754 U CN205532754 U CN 205532754U CN 201620378342 U CN201620378342 U CN 201620378342U CN 205532754 U CN205532754 U CN 205532754U
- Authority
- CN
- China
- Prior art keywords
- hole
- exhaust valve
- seat
- valve seat
- automobile engine
- 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
Links
Abstract
The utility model discloses a directly spout and arrange valve seat insert from inhaling automobile engine, have a seat circle body of seat circle through -hole including the system, seat circle body is hugged closely by a working ring and a lock ring and is fixedly constituted, and seat circle through -hole constitutes by the cylinder hole of lower part and with the sealed matched with conical surface hole of taper surface of exhaust valve, the lateral wall in conical surface hole with through the transition of circular arc section between the lateral wall in cylinder hole, the lower extreme of seat circle body sets up a boss downwards, and the periphery of seat circle body lower extreme be the fillet, this fillet and through conical surface transition between the lateral wall of seat circle body. The utility model has the advantages of: simple structure utilizes the cone combined with between the taper surface of conical surface hole and exhaust valve, improves its sealing performance to improve its reliability, the lateral wall in conical surface hole with through the transition of circular arc section, effectively reduce stress concentrates between the lateral wall in cylinder hole to improve the life who arranges valve seat insert.
Description
Technical field
This utility model relates to the spare and accessory parts of a kind of automobile engine, especially a kind of direct-injection self-priming exhaust valve seat for automobile engine circle.
Background technology
Exhaust valve seat for automobile engine circle is parts important on electromotor, is the aerofluxus door between the exhaust pipe of engine and electromotor, and its Main Function is to ensure that the sealing of air vent.Owing to the work of electromotor can produce substantial amounts of heat, the impact of valve, abrasion is born under the hot environment that exhaust valve seat insert needs, and the erosion of exhaust stream, oxidation, therefore the characteristics such as high temperature resistant, wear-resistant, the antioxidation of exhaust valve seat insert are all had high requirement.Along with the development of science and technology, the continuous progress of automobile making, people are more and more higher to the requirement of exhaust valve seat insert, it is desirable to exhaust valve seat insert has higher thermostability, wearability and corrosion resistance.
Summary of the invention
Technical problem to be solved in the utility model is the present situation for prior art, it is provided that a kind of simple in construction, easy for installation, highly reliable, service life length a kind of direct-injection self-priming exhaust valve seat for automobile engine circle.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is:
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle, including the seat ring body being shaped with seat ring through hole, seat ring body is close to by building ring and bracing ring fixing constitute, seat ring through hole is by the cylindrical hole of bottom and seals, with the taper face of exhaust valve, the conical hole matched and constitutes, by arc section transition between sidewall and the sidewall of described cylindrical hole of conical hole；The down-set boss in lower end of seat ring body, the periphery of seat ring body lower end is fillet, by a conical surface transition between the sidewall of this fillet and described seat ring body.
The technical measures optimized also include:
The inclination angle of above-mentioned conical hole is 14 ° to 16 °.
Above-mentioned arc section is formed on the inwall of described bracing ring.
The radius of above-mentioned arc section is 5.5mm to 6.5mm.
The height of above-mentioned boss is less than or equal to 0.1mm.
The inclination angle of the above-mentioned conical surface is 12 ° to 18 °.
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle of the present utility model, its seat ring body is close to by building ring and bracing ring fixing constitute, and seat ring through hole by the cylindrical hole of bottom and seals, with the taper face of exhaust valve, the conical hole matched and constitutes, utilize cone match to carry out price sealing, thus improve its reliability；And by arc section transition between the sidewall of the sidewall of conical hole and described cylindrical hole, by arc transition, effectively reducing stress concentrates, thus improve its service life；Building ring uses different materials to make with bracing ring, utilizes the performance of material to make the thermostability of whole exhaust valve seat insert, wearability and corrosion resistance higher, better tightness, thus improves its reliability and service life.
Additionally, the down-set boss in lower end of seat ring body, the periphery of seat ring body lower end is fillet, by a conical surface transition between the sidewall of this fillet and seat ring body, use structure so to be designed to reduce the difficulty of processing of seat ring body lower end, reduce processing cost.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this utility model embodiment；
Fig. 2 is A portion enlarged drawing in Fig. 1；
Fig. 3 is B portion enlarged drawing in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
It is structural representation of the present utility model as shown in Figure 1 to Figure 3,
Reference therein is: inclination alpha, angle of inclination beta, highly h, seat ring body 1, building ring 11, bracing ring 12, seat ring through hole 2, cylindrical hole 21, conical hole 22, arc section 23, boss 3, fillet 41, the conical surface 42.
As shown in Figure 1 to Figure 3,
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle, including the seat ring body 1 being shaped with seat ring through hole 2, seat ring body 1 is close to by building ring 11 and bracing ring 12 fixing constitute, seat ring through hole 2 is by the cylindrical hole 21 of bottom and seals, with the taper face of exhaust valve, the conical hole 22 matched and constitutes, by arc section 23 transition between sidewall and the sidewall of described cylindrical hole 21 of conical hole 22；The down-set boss 3 in lower end of seat ring body 1, the periphery of seat ring body 1 lower end is fillet 41, by the conical surface 42 transition between the sidewall of this fillet 41 and described seat ring body 1.
The inclination alpha of conical hole 22 is 14 ° to 16 °；In the present embodiment, the inclination alpha of conical hole 22 is 15 °.
In embodiment, arc section 23 is formed on the inwall of described bracing ring 12.
The radius of arc section 23 is 5.5mm to 6.5mm；In the present embodiment, the radius of arc section 23 is 6mm.
The height h of boss 3 is less than or equal to 0.1mm；In the present embodiment, the height h of boss 3 is 0.1mm.
The angle of inclination beta of the conical surface 42 is 12 ° to 18 °；In the present embodiment, the angle of inclination beta of the conical surface 42 is 15 °.
The material component of building ring 11 is:
C:0.8% to 1.5%；Co:5.0% to 7.0%；Mo:6.0% to 8.0%；Ni:1.9% to 3.6%；Cr:3.2% to 5.3%；Cu:0.3% to 0.5%；Other elements: < 2%；Surplus is Fe.
The material component of bracing ring 12 is:
C:0.9% to 1.4%；Cr:0.5% to 2.0%；Cu:1.0% to 3.0%；Other elements: < 2%；Surplus is Fe.
Building ring 11 and bracing ring 12 use different materials to make, the integral hardness of made exhaust valve seat insert is at more than HRB85, make full use of properties of materials, make the thermostability of whole exhaust valve seat insert, wearability and corrosion resistance higher, better tightness, thus improve its reliability and service life.
It addition, seat ring through hole 2 by the cylindrical hole 21 of bottom and seals, with the taper face of exhaust valve, the conical hole 22 matched and constitutes；By the cone match between conical hole 22 and the taper face of exhaust valve, it is possible to be effectively improved its sealing property, thus improve the reliability of exhaust valve seat insert；And by arc section 23 transition between the sidewall of the sidewall of conical hole 22 and described cylindrical hole 21, it is possible to effectively reducing stress concentrates, thus improves its service life.
In order to ensure product quality, after Product processing completes, remove break corner, burr so that it is smooth surface, to ensure its good sealing, product is carried out narrow examination, it is ensured that it does not exist the defect such as crackle, sand hole simultaneously.
Most preferred embodiment of the present utility model illustrates, those of ordinary skill in the art the various changes made or remodeling are all without departing from scope of the present utility model.
Claims (6)
1. a direct-injection self-priming exhaust valve seat for automobile engine circle, including the seat ring body (1) being shaped with seat ring through hole (2), it is characterized in that: described seat ring body (1) is close to by building ring (11) and bracing ring (12) fixing constitute, described seat ring through hole (2) is by the cylindrical hole (21) of bottom and seals, with the taper face of exhaust valve, the conical hole (22) matched and constitutes, passes through arc section (23) transition between sidewall and the sidewall of described cylindrical hole (21) of described conical hole (22)；The down-set boss in the lower end (3) of described seat ring body (1), the periphery of described seat ring body (1) lower end is fillet (41), by a conical surface (42) transition between the sidewall of this fillet (41) and described seat ring body (1).
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle the most according to claim 1, is characterized in that: the inclination angle (α) of described conical hole (22) is 14 ° to 16 °.
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle the most according to claim 2, is characterized in that: described arc section (23) is formed on the inwall of described bracing ring (12).
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle the most according to claim 3, is characterized in that: the radius of described arc section (23) is 5.5mm to 6.5mm.
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle the most according to claim 4, is characterized in that: the height (h) of described boss (3) is less than or equal to 0.1mm.
A kind of direct-injection self-priming exhaust valve seat for automobile engine circle the most according to claim 5, is characterized in that: the inclination angle (β) of the described conical surface (42) is 12 ° to 18 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620378342.1U CN205532754U (en) | 2016-04-29 | 2016-04-29 | Directly spout and arrange valve seat insert from inhaling automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620378342.1U CN205532754U (en) | 2016-04-29 | 2016-04-29 | Directly spout and arrange valve seat insert from inhaling automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532754U true CN205532754U (en) | 2016-08-31 |
Family
ID=56795259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620378342.1U Expired - Fee Related CN205532754U (en) | 2016-04-29 | 2016-04-29 | Directly spout and arrange valve seat insert from inhaling automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532754U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11125122B1 (en) | 2020-03-17 | 2021-09-21 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
| US11125123B1 (en) | 2020-03-17 | 2021-09-21 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
-
2016
- 2016-04-29 CN CN201620378342.1U patent/CN205532754U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11125122B1 (en) | 2020-03-17 | 2021-09-21 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
| US11125123B1 (en) | 2020-03-17 | 2021-09-21 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
| US11473457B2 (en) | 2020-03-17 | 2022-10-18 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
| US11480075B2 (en) | 2020-03-17 | 2022-10-25 | Caterpillar Inc. | Valve seat insert with soft landing insert design with contoured radii |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205532754U (en) | Directly spout and arrange valve seat insert from inhaling automobile engine | |
| CN205532757U (en) | Diesel engine arranges valve seat insert | |
| CN203783672U (en) | Intake valve seat ring of automobile engine | |
| CN107233805A (en) | A kind of sanding water sand mixing tube peculiar to vessel | |
| CN205779219U (en) | A kind of depassing unit being applied to engine water pump | |
| CN205532758U (en) | Directly spout from inhaling automobile engine intake valve seat circle | |
| CN207178786U (en) | A kind of axial flow type check valve of sealed reliable | |
| CN205532753U (en) | Diesel engine intake valve seat circle | |
| CN205078799U (en) | High temperature resistant two eccentric butterfly valve | |
| CN206694089U (en) | A kind of three cylinder turbocharging inlet valve of automobile engine seat rings | |
| CN202927063U (en) | Large-diameter self-sealing valve | |
| CN205370671U (en) | Novel valve seat ring | |
| CN204921973U (en) | Compound pipe liquid of bimetal basic bushing pipe clearance watertight fittings that takes shape that rises | |
| CN204429517U (en) | A kind of nozzle assembly be not easily corroded | |
| CN205678162U (en) | A kind of corrosion resistant ball valve | |
| CN207830575U (en) | A seating three-eccentric-butterfly-valve living | |
| CN105909818A (en) | Anti-corrosion ball valve and manufacturing method thereof | |
| CN203230468U (en) | Exhaust seat ring for turbo-charged automobile engine | |
| CN205331651U (en) | Compound slot pipe fitting of inside lining stainless steel | |
| CN206017846U (en) | A kind of all-welded ball valve | |
| CN211343048U (en) | Intake valve seat ring of automobile turbocharged engine | |
| CN205297461U (en) | A fixed glib sub -assembly that is used for gas production well head, fixed choke valve of ground manifold | |
| CN204958833U (en) | High strength awl of ventilating | |
| CN208651681U (en) | A kind of age of a draught animal ball-valve structure | |
| CN204921073U (en) | Car valve oil seal |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20210429 |