High-temperature-resistant gas engine valve seat ring

Abstract

The utility model provides a high temperature resistant gas engine valve seat ring, which relates to the technical field of valve seat rings, and comprises a gas engine body, the top of the gas engine body is provided with a valve opening, a seat ring body is embedded in the valve opening, and the surface of the seat ring body is sequentially sleeved with a wear-resistant layer and a high temperature resistant layer from outside to inside. An L-shaped groove is formed in the side, close to the valve opening, of the top of the gas engine body, and an L-shaped plate is embedded into the L-shaped groove. The wear-resistant layer and the high-temperature-resistant layer are sequentially arranged on the surface of the seat ring body from outside to inside, so that the wear-resistant and high-temperature-resistant performance of the seat ring body can be improved, the service life of the seat ring body can be prolonged, and when the seat ring body needs to be detached, the seat ring body can be detached by pushing the L-shaped plates to move, so that the service life of the seat ring body is prolonged. At the moment, an arc groove in one end of the L-shaped plate can extrude the bevel edge of the edge of the seat ring body, the effect of conveniently taking out the seat ring body can be achieved, and therefore the effect of conveniently replacing the seat ring body can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve seat ring technical field especially relates to a kind of high-temperature-resistant gas engine valve seat ring. BACKGROUND

[0002] Most gas engines are based on the principle of internal combustion engine operation, gas and air are mixed and introduced into the cylinder, compressed, ignited and burned, the high-temperature and high-pressure gas generated pushes the piston to move, and then the reciprocating motion of the piston is converted into rotary motion through connecting rod, crankshaft and other mechanisms to output power. Some gas engines also use the working method of gas turbine, the high-temperature and high-pressure gas generated by burning gas in the combustion chamber directly drives the turbine to rotate to output power. In the field of daily maintenance and performance improvement of gas engines, valve seat ring is a key component.

[0003] In terms of high-temperature and wear resistance, the valve seat ring is in a very harsh working environment during the operation of the gas engine. The high temperature generated by gas combustion can reach thousands of degrees Celsius. The valve seat ring made of ordinary material is prone to problems such as material softening and deformation under the action of high temperature for a long time, which leads to poor sealing of the valve, gas leakage, and further affects the power output and combustion efficiency of the gas engine. In addition, frequent and intense friction occurs between the valve and the valve seat ring during the opening and closing process, and the impurity particles carried in the gas further aggravate the wear of the seat ring. Long-term wear will damage the sealing surface of the valve seat ring and reduce its sealing performance. At the same time, the installation method of the gas engine valve seat ring makes the disassembly work very difficult. On the one hand, the seat ring is closely matched with the related parts of the gas engine, and the traditional mechanical disassembly method often needs to use complex and large tools, which not only makes the operation process complicated, but also easily damages the surrounding parts. SUMMARY

[0004] The utility model aims at solving the problems of poor high-temperature and wear resistance of the valve seat ring in the prior art and the inconvenience of disassembling the valve seat ring, and provides a high-temperature-resistant gas engine valve seat ring.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a high-temperature-resistant gas engine valve seat ring, comprising a gas engine body, a valve port is formed at the top of the gas engine body, a seat ring body is embedded in the inside of the valve port, a wear-resistant layer and a high-temperature-resistant layer are sequentially sleeved on the surface of the seat ring body from outside to inside, an L-shaped groove is formed at the top of the gas engine body and close to one side of the valve port, and an L-shaped plate is embedded in the inside of the L-shaped groove.

[0006] Preferably, a ring groove is formed in the inner wall of the bottom of the valve port, and a sealing ring is embedded in the inside of the ring groove.

[0007] Preferably, a chamfer is formed at the top of the gas engine body and at the valve port.

[0008] Preferably, one end of the L-shaped plate is an arc groove, and the one end arc groove of the L-shaped plate is matched with the outer arc inclined wall of the race body.

[0009] Preferably, the L-shaped plate is fixedly connected with a spring on one side inner wall, and the other end of the spring is fixedly connected with the inner wall of the L-shaped groove.

[0010] Preferably, the two side inner walls of the L-shaped groove and close to the bottom are both provided with a limiting groove, the limiting groove is fixedly connected with a limiting rod, the surface of the limiting rod is sleeved and slidably connected with a limiting block, and the limiting block is fixedly connected with the L-shaped plate.

[0011] Preferably, the top of the L-shaped plate is fixedly connected with a top plate, and the four corners of the top plate are all rounded.

[0012] Preferably, the top of the L-shaped plate and close to one end are fixedly connected with a convex plate, and the two ends of the convex plate are both rounded.

[0013] Preferably, the size of the top plate is matched with the size of the square groove at the top of the L-shaped groove.

[0014] Preferably, one end of the L-shaped groove is in communication with the valve port.

[0015] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0016] 1. In the utility model, the surface of the race body is sequentially provided with a wear-resistant layer and a high-temperature-resistant layer from outside to inside, so that the wear resistance and high-temperature resistance of the race body are improved, and the service life of the race body is prolonged.

[0017] 2. In the utility model, when the race body needs to be disassembled, the L-shaped plate can be moved by pushing, and the one end arc groove of the L-shaped plate can press the edge bevel of the race body, so that the race body is conveniently taken out, and the race body is conveniently replaced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A whole structure perspective view of the high-temperature-resistant gas engine valve seat ring is provided for the utility model;

[0019] Figure 2 A whole structure sectional view of the high-temperature-resistant gas engine valve seat ring is provided for the utility model;

[0020] Figure 3 A high-temperature-resistant gas engine valve seat ring is provided for the utility model, Figure 2 A structure enlarged view of area A;

[0021] Figure 4 This utility model provides a partial three-dimensional view of the structure of a high-temperature resistant gas engine valve seat ring;

[0022] Figure 5 This utility model presents a three-dimensional view of an L-shaped plate structure for a high-temperature resistant gas engine valve seat ring.

[0023] Legend: 1. Gas engine body; 2. Gas valve; 3. Annular groove; 4. Sealing ring; 5. Seat ring body; 6. High temperature resistant layer; 7. Wear resistant layer; 8. Chamfer; 9. L-shaped groove; 10. L-shaped plate; 11. Arc groove; 12. Top plate; 13. Convex plate; 14. Spring; 15. Limiting groove; 16. Limiting block; 17. Limiting rod. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0025] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0026] Example 1, as Figures 1-5 As shown, this utility model provides a high-temperature resistant gas engine valve seat ring, including a gas engine body 1, a valve seat 2 is provided on the top of the gas engine body 1, a valve seat body 5 is embedded inside the valve seat 2, and a wear-resistant layer 7 and a high-temperature resistant layer 6 are sequentially fitted on the surface of the valve seat body 5 from the outside to the inside. An L-shaped groove 9 is provided on the top of the gas engine body 1 and on the side near the valve seat 2, and an L-shaped plate 10 is embedded inside the L-shaped groove 9.

[0027] The overall effect of embodiment 1 is that the gas engine body 1 has a gas valve 2 at the top, and a seat ring body 5 is embedded inside the gas valve 2. The surface of the seat ring body 5 is covered with a wear-resistant layer 7 and a high-temperature resistant layer 6 from the outside to the inside, which can improve the wear resistance and high-temperature resistance of the seat ring body 5, thereby improving the service life of the seat ring body 5. An L-shaped groove 9 is opened at the top of the gas engine body 1 and near the gas valve 2. An L-shaped plate 10 is embedded inside the L-shaped groove 9, which can make one end of the L-shaped plate 10 squeeze and push the bottom of the seat ring body 5, making it convenient to replace the seat ring body 5.

[0028] Example 2, as Figures 1-5As shown, the bottom inner wall of the gas port 2 is provided with a ring groove 3, and a sealing ring 4 is embedded in the ring groove 3; the top of the gas engine body 1 and at the gas port 2 is provided with a chamfer 8; one end of the L-shaped plate 10 is an arc groove 11, and the one end arc groove 11 of the L-shaped plate 10 is matched with the outer arc inclined wall of the seat ring body 5; the inner wall of one side of the L-shaped plate 10 is fixedly connected with a spring 14, and the other end of the spring 14 is fixedly connected with the inner wall of the L-shaped groove 9; the inner walls of both sides of the L-shaped groove 9 and close to the bottom are both provided with a limiting groove 15, the inner part of the limiting groove 15 is fixedly connected with a limiting rod 17, the surface of the limiting rod 17 is sleeved and slidably connected with a limiting block 16, and the limiting block 16 is fixedly connected with the L-shaped plate 10; the top of the L-shaped plate 10 is fixedly connected with a top plate 12, and the four corners of the top plate 12 are all rounded; the top of the L-shaped plate 10 and close to one end is fixedly connected with a convex plate 13, and both ends of the convex plate 13 are rounded; the size of the top plate 12 is matched with the size of the square groove at the top of the L-shaped groove 9; and one end of the L-shaped groove 9 is in communication with the gas port 2.

[0029] The effect achieved by the whole embodiment 2 is that the bottom inner wall of the gas port 2 is provided with a ring groove 3, and a sealing ring 4 is embedded in the ring groove 3, so that the seat ring body 5 and the bottom inner wall of the gas port 2 are sealed; the top of the gas engine body 1 and at the gas port 2 is provided with a chamfer 8, so that the seat ring body 5 is convenient to take out; one end of the L-shaped plate 10 is an arc groove 11, and the one end arc groove 11 of the L-shaped plate 10 is matched with the outer arc inclined wall of the seat ring body 5, so that the L-shaped plate 10 is moved to push the seat ring body 5 to separate from the inside of the gas port 2; the inner wall of one side of the L-shaped plate 10 is fixedly connected with a spring 14, and the other end of the spring 14 is fixedly connected with the inner wall of the L-shaped groove 9, so that the L-shaped plate 10 is reset; the inner walls of both sides of the L-shaped groove 9 and close to the bottom are both provided with a limiting groove 15, the inner part of the limiting groove 15 is fixedly connected with a limiting rod 17, the surface of the limiting rod 17 is sleeved and slidably connected with a limiting block 16, and the limiting block 16 is fixedly connected with the L-shaped plate 10, so that the L-shaped plate 10 is limited; the top of the L-shaped plate 10 is fixedly connected with a top plate 12, and the four corners of the top plate 12 are all rounded, so that the L-shaped groove 9 is blocked; the top of the L-shaped plate 10 and close to one end is fixedly connected with a convex plate 13, and both ends of the convex plate 13 are rounded, so that the L-shaped plate 10 is conveniently moved; the size of the top plate 12 is matched with the size of the square groove at the top of the L-shaped groove 9, so that the top plate 12 blocks the L-shaped groove 9; and one end of the L-shaped groove 9 is in communication with the gas port 2, so that one end of the L-shaped plate 10 is moved into the gas port 2.

[0030] Working principle: when the seat ring body 5 needs to be disassembled, the top plate 12 top tab 13 can be pushed, at this time the tab 13 can drive the L-shaped plate 10 to move, at this time the L-shaped plate 10 one end arc groove 11 can extrude the seat ring body 5 edge bevel, can play the effect of conveniently taking out the seat ring body 5, so as to achieve the effect of conveniently replacing the seat ring body 5, at this time the surface of the seat ring body 5 is provided with wear-resistant layer 7 and high-temperature resistant layer 6 from outside to inside in turn, which can improve the wear resistance and high-temperature resistance of the seat ring body 5, thereby improving the service life of the seat ring body 5.

[0031] The wiring diagram of the gas engine body 1 and the seat ring body 5 in the utility model belongs to the common knowledge in the field, and its working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the gas engine body 1 and the seat ring body 5 are not explained in detail.

[0032] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments still belong to the protection scope of the utility model technical scheme.

Claims

1. A high-temperature-resistant gas engine valve seat ring, comprising a gas engine body (1), characterized in that: The top of the gas engine body (1) is provided with a valve port (2), the inside of the valve port (2) is embedded with a seat ring body (5), the surface of the seat ring body (5) is sequentially sleeved with a wear-resistant layer (7) and a high-temperature-resistant layer (6) from outside to inside, the top of the gas engine body (1) and the side close to the valve port (2) are provided with an L-shaped groove (9), the inside of the L-shaped groove (9) is embedded with an L-shaped plate (10).

2. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: The bottom inner wall of the valve port (2) is provided with an annular groove (3), the inside of the annular groove (3) is embedded with a sealing ring (4).

3. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: The top of the gas engine body (1) and the position of the valve port (2) are provided with a chamfer (8).

4. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: One end of the L-shaped plate (10) is an arc groove (11), the one end arc groove (11) of the L-shaped plate (10) is matched with the outer arc inclined wall of the seat ring body (5).

5. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: One side inner wall of the L-shaped plate (10) is fixedly connected with a spring (14), the other end of the spring (14) is fixedly connected with the inner wall of the L-shaped groove (9).

6. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: The two side inner walls of the L-shaped groove (9) and close to the bottom are both provided with a limiting groove (15), the inside of the limiting groove (15) is fixedly connected with a limiting rod (17), the surface of the limiting rod (17) is sleeved and slidably connected with a limiting block (16), the limiting block (16) is fixedly connected with the L-shaped plate (10).

7. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: The top of the L-shaped plate (10) is fixedly connected with a top plate (12), the four corners of the top plate (12) are all round corners.

8. A high temperature resistant gas engine valve seat ring according to claim 7, characterized in that: The top of the L-shaped plate (10) and close to one end is fixedly connected with a convex plate (13), the two ends of the convex plate (13) are all round corners.

9. A high temperature resistant gas engine valve seat ring according to claim 7, characterized in that: The size of the top plate (12) is matched with the size of the square groove of the top of the L-shaped groove (9).

10. A high temperature resistant gas engine valve seat ring according to claim 1, characterized in that: One end of the L-shaped groove (9) and the valve port (2) are communicated with each other.

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