CN215890126U

CN215890126U - Laser cladding valve seat ring

Info

Publication number: CN215890126U
Application number: CN202122033589.3U
Authority: CN
Inventors: 樊宝军
Original assignee: Yizheng Changda Powder Metallurgy Products Co ltd
Current assignee: Yizheng Changda Powder Metallurgy Products Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-22
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a laser cladding valve seat ring, which comprises a valve seat body, a first guide groove, a fixed cylindrical surface, an annular convex block, a second guide groove, a sand blasting layer, a matching inclined plane, a sealing oil groove, a matching cylindrical surface and a laser cladding layer, wherein the matching cylindrical surface is arranged at the center of one side of the valve seat body, the utility model avoids the falling off of the valve seat ring caused by thermal expansion and cold contraction through the arrangement of the annular convex block, simultaneously increases the surface roughness of the valve seat ring through the arrangement of the sand blasting layer, effectively improves the installation stability, improves the wear resistance, oxidation resistance and corrosion resistance of the valve seat ring through the arrangement of the laser cladding layer, effectively prolongs the service life of the valve seat ring, reduces the occurrence of wear, and improves the sealing property between a valve and the matching cylindrical surface because oil molecules are stored in the sealing oil groove during working through the arrangement of the sealing oil groove, the air tightness of the valve seat ring is improved.

Description

Laser cladding valve seat ring

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to a laser cladding valve seat ring.

Background

The valve seat ring is arranged on a cylinder body of the side-mounted valve engine and a replaceable valve seat on a cylinder cover or a cylinder body of the top-mounted valve engine, the valve seat ring is arranged on an exhaust valve and an intake valve, the engine can emit a large amount of heat in the working process, the cylinder cover can generate the phenomena of expansion with heat and contraction with cold, in the repeated mechanical motion, the condition that the valve seat ring falls off can be caused, the installation stability is reduced, the mechanical motion under the normal temperature and the high pressure for a long time causes abrasion on the surface of the valve seat ring, the air tightness of the valve seat ring is greatly reduced, and the service life of the valve seat ring is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a laser cladding valve seat ring to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a laser cladding valve seat insert, includes valve seat body, first guide way, fixed cylinder, annular lug, second guide way, sandblast layer, cooperation inclined plane, sealed oil groove, cooperation cylinder and laser cladding layer, the cooperation cylinder has been seted up at valve seat body one side center, and the cooperation inclined plane has been seted up at cooperation cylinder top, and fixed cylinder has been seted up at cooperation inclined plane top, and has seted up first guide way at fixed cylinder top, and first guide way is located valve seat body opposite side center.

Furthermore, a sealing oil groove is formed in the center of the inner circumference of the matching cylindrical surface.

Furthermore, an annular convex block is installed at the center of the outer circumference of the valve seat body, and a second guide groove is formed in the edge of the bottom of the valve seat body.

Furthermore, the top, the bottom and the outer circumference of the valve seat body are provided with sand blasting layers.

Furthermore, the inner circumferences of the first guide groove, the fixed cylindrical surface, the matching inclined surface, the sealing oil groove and the matching cylindrical surface are all provided with laser cladding layers.

Compared with the prior art, the utility model has the following beneficial effects:

1. the utility model avoids the falling of the valve seat ring caused by expansion with heat and contraction with cold through the arrangement of the annular convex block, and the arrangement of the sand blasting layer increases the surface roughness of the valve seat ring, thereby effectively improving the installation stability;

2. the utility model discloses a through the setting of laser cladding layer, promoted wear-resisting, oxidation-resistant and corrosion-resistant ability of valve seat insert, the effectual life who prolongs the valve seat insert has reduced the emergence of wearing and tearing to through the setting of sealed oil groove, the oil molecule has been stored in the sealed oil groove of during operation, has promoted the leakproofness between valve and the cooperation cylinder, has promoted the gas tightness of valve seat insert.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a perspective view of the overall construction of the present invention;

FIG. 2 is an elevational view of the overall construction of the present invention;

FIG. 3 is a front cross-sectional view of the overall construction of the present invention;

FIG. 4 is an enlarged schematic view of area A of FIG. 3 in accordance with the present invention;

in the figure: 1. a valve seat body; 2. a first guide groove; 3. fixing the cylindrical surface; 4. an annular projection; 5. a second guide groove; 6. spraying a sand layer; 7. a mating bevel; 8. sealing the oil groove; 9. matching with the cylindrical surface; 10. and (5) laser cladding.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a laser cladding valve seat insert, including valve seat body 1, first guide way 2, fixed cylinder 3, annular lug 4, second guide way 5, the sandblast layer 6, cooperation inclined plane 7, sealed oil groove 8, cooperation cylinder 9 and laser cladding layer 10, cooperation cylinder 9 has been seted up at valve seat body 1 one side center, sealed oil groove 8 has been seted up at the interior circumference center of cooperation cylinder 9, be favorable to promoting the gas tightness, and cooperation inclined plane 7 has been seted up at cooperation cylinder 9 top, fixed cylinder 3 has been seted up at cooperation inclined plane 7 top, and first guide way 2 has been seted up at fixed cylinder 3 top, first guide way 2 is located valve seat body 1 opposite side center, annular lug 4 is installed at the outer circumference center of valve seat body 1, and second guide way 5 has been seted up to valve seat body 1 bottom edge, be favorable to the installation direction, promote the convenience of installation, valve seat body 1 top, Bottom and outer circumference all are provided with sand blasting layer 6, and first guide way 2, fixed cylinder 3, cooperation inclined plane 7, sealed oil groove 8 and cooperation cylinder 9 are all provided with laser cladding layer 10 in the circumference, are favorable to promoting wear-resisting, corrosion-resistant and the antioxidant capacity of valve seat body 1.

The working principle is as follows: in the use process of the utility model, the second guide groove 5 plays a role of installation guide, the valve seat body 1 is convenient to be quickly installed on a cylinder cover, meanwhile, the annular convex block 4 arranged on the outer circumference of the valve seat body 1 is clamped with the cylinder cover, the installation firmness is improved, the condition that the valve seat body 1 falls off due to thermal expansion and cold contraction is avoided, the sand blasting layer 6 is arranged on the periphery of the valve seat body 1, the surface roughness is greatly increased, the installation stability is effectively improved, meanwhile, the laser cladding layer 10 is arranged on one side of the first guide groove 2, the fixed cylindrical surface 3, the matching inclined surface 7 and the matching cylindrical surface 9, and the laser cladding layer 10 is Al₂O₃Through laser cladding technical cover, through the effectual wear-resisting, anti-oxidation and the corrosion-resistant ability that has promoted valve seat body 1 that sets up of laser cladding layer 10, the effectual life who prolongs valve seat body 1 to the condition that the gas tightness that has avoided wearing and tearing to lead to reduces takes place, and the storage has oil molecule in the sealed oil groove 8 simultaneously, further promotion the leakproofness.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a laser cladding valve seat insert, includes valve seat body (1), first guide way (2), fixed cylinder (3), annular lug (4), second guide way (5), sandblast layer (6), cooperation inclined plane (7), sealed oil groove (8), cooperation cylinder (9) and laser cladding layer (10), its characterized in that: the valve seat is characterized in that a matching cylindrical surface (9) is arranged in the center of one side of the valve seat body (1), a matching inclined surface (7) is arranged at the top of the matching cylindrical surface (9), a fixing cylindrical surface (3) is arranged at the top of the matching inclined surface (7), a first guide groove (2) is arranged at the top of the fixing cylindrical surface (3), and the first guide groove (2) is located in the center of the other side of the valve seat body (1).

2. The laser cladding valve seat insert of claim 1, wherein: and a sealing oil groove (8) is formed in the center of the inner circumference of the matching cylindrical surface (9).

3. The laser cladding valve seat insert of claim 1, wherein: annular convex block (4) are installed at the outer circumference center of valve seat body (1), and second guide way (5) have been seted up to valve seat body (1) bottom edge.

4. The laser cladding valve seat insert of claim 1, wherein: the top, the bottom and the outer circumference of the valve seat body (1) are provided with sand blasting layers (6).

5. The laser cladding valve seat insert of claim 1, wherein: the laser cladding layer (10) is arranged on the inner circumferences of the first guide groove (2), the fixed cylindrical surface (3), the matching inclined surface (7), the sealing oil groove (8) and the matching cylindrical surface (9).