Wear-resistant and anti-fatigue diesel engine air valve

By installing wear-resistant protective components and dustproof heat dissipation components on the surface of the diesel engine valve body, the valve wear problem is solved, the service life is extended, and heat dissipation and cleanliness are improved.

CN223677126UActive Publication Date: 2025-12-16SHANGHAI GOLDSTONE MARINE PARTS CO LTD
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Patent Information

Application Number
CN202520430938.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-12-16
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing diesel engine valve designs lack specialized surface protection structures during long-term use, leading to severe wear and tear on the valves and affecting their service life.

Method used

Wear-resistant protective components, including a first protective shell and a second protective shell, are installed on the surface of the valve body. They are fixed by meshing and threaded connections and equipped with a temperature-controlled fan and a dust filter for heat dissipation and dust prevention.

Benefits of technology

It effectively prevents valve wear, extends service life, and improves valve reliability and cleanliness through heat dissipation and dust prevention.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223677126U_ABST
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Abstract

The utility model provides a wear-resistant anti-fatigue diesel engine air valve, which relates to the technical field of diesel engine air valves, and comprises an air valve main body, a wear-resistant protective component is arranged on the surface of the air valve main body, the wear-resistant protective component comprises a first protective shell, and one side of the first protective shell is rotatably connected with a second protective shell. The surface of the second protective shell is connected with a connecting block. According to the air valve, when the wear-resistant protection assembly needs to be installed on the surface of the air valve body, the first protection shell can be attached to the surface of the air valve body, then the second protection shell is rotated to the surface of the other side of the air valve body, and then the two sets of insertion blocks are driven to be inserted into the insertion grooves to be fixed by rotating the rotating handle; in this way, the air valve body can be protected through the first protective shell and the second protective shell, and the problem that the service life of the air valve is affected due to the fact that an existing air valve body lacks a special surface protective structure, and the air valve is often seriously abraded is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to diesel engine valve technical field especially relates to a wear -resisting anti -fatigue diesel engine valve. BACKGROUND

[0002] The diesel engine valve is mainly composed of valve head and valve rod two big parts. The valve head is tightly fitted with the valve seat, and is used for accurately controlling the opening and closing of the inlet and exhaust passages. The valve rod moves up and down in the valve guide pipe to ensure that the valve can accurately complete various actions.

[0003] Like announcement number: CN222229594U, a ship diesel engine valve, including valve body and half fixed type snap seat ring subassembly, half fixed type snap seat ring subassembly includes output pipe, locking ring, extension ring and connecting ring, output pipe is detachably connected with valve body and is located at one side of valve body, locking ring is detachably connected with output pipe and is located at the end of output pipe away from valve body, extension ring is detachably connected with locking ring and is located at the side of locking ring away from output pipe, connecting ring is detachably connected with extension ring and is located at the side of extension ring away from locking ring, by replacing the original connecting structure with half fixed type snap seat ring subassembly, thereby actively and effectively solve the problem that the output end of the valve will be detachably connected with the seat ring, and the pressure of the valve will gradually increase over time, thereby frequently causing damage to the seat ring.

[0004] The patent can avoid the problem of gradually increasing the damage to the seat ring over time, but the existing diesel engine valve design in the long-term use process, due to lack of special surface protection structure, often lead to the valve suffers serious wear, thereby affecting the service life of the valve.

[0005] Therefore, we propose a new type of wear -resisting anti -fatigue diesel engine valve. UTILITY MODEL CONTENTS

[0006] The utility model solves the problem that the existing diesel engine valve design in the long-term use process, due to lack of special surface protection structure, often lead to the valve suffers serious wear, thereby affecting the service life of the valve.

[0007] In order to achieve the above object, the utility model discloses the following technical scheme: a wear -resisting anti -fatigue diesel engine valve, including the valve main part, the surface of valve main part is provided with wear -resisting protection subassembly, wear -resisting protection subassembly includes first protection shell, one side of first protection shell is rotatably connected with second protection shell, the surface of second protection shell is connected with connecting block, the upper and lower ends of connecting block all are provided with the slot, the side surface of first protection shell close to connecting block is connected with fixed block, the inside of fixed block is inserted with two -way screw rod, the front end of fixed block is inserted with the handle, the surface of handle is connected with first gear, the surface of first gear two -way screw rod close to first gear is connected with second gear.

[0008] Further, the two side surfaces of the two -way screw rod are connected with the moving block, the inside of the moving block is provided with the threaded hole, and the inside of the two moving blocks is connected with the plug.

[0009] Further, the position and size of the plug are matched with the position and size of the slot, and the first gear and the second gear are meshed.

[0010] Further, the first gear second gear is connected with the moving block through the threaded hole.

[0011] Further, the two -way screw rod and the bearing are rotatably connected, and the plug and the slot are insertedly connected.

[0012] Further, the inside of the first protection shell is connected with the dustproof heat dissipation component, the dustproof heat dissipation component includes temperature control fan, and the surface of the first protection shell close to temperature control fan is connected with the frame.

[0013] Further, the two side inner walls of the frame are provided with the clamping groove, the inside of the frame is provided with the dust screen, and the two sides of the dust screen are provided with the slot.

[0014] Further, the inside of the slot is provided with the spring, one side of the spring is connected with the push handle, one side of the push handle is connected with the clamping block, and the top of the push handle is fixedly connected with the push block.

[0015] Further, the surface of the clamping block is provided with the inclined mouth, the position and size of the clamping block are matched with the position and size of the clamping groove, and the clamping block and the clamping groove are insertedly connected.

[0016] Further, the clamping block and the spring form an elastic structure, the two side outer surfaces of the dust screen and the two side inner walls of the frame are fitted, and the dust screen and the frame form sliding connection.

[0017] Compared with the prior art, the utility model has the advantages and positive effects that,

[0018] 1、The utility model discloses when need to install wear -resisting protection assembly on the surface of the air valve main part can first protection shell is pasted on the surface of the air valve main part, and then the second protection shell is rotated to the other side surface of the air valve main part, and then through the mode of rotating the handle drives two groups of insertion block to insert into the slot and fixes, can realize the protection of the air valve main part through first protection shell and second protection shell like this, avoided the air valve main part of existing lack of special surface protection structure, often will lead to the air valve to suffer severe wear, thereby influence the service life of air valve problem.

[0019] 2、The utility model discloses the surface of the air valve main part under the long -time use, can appear high temperature condition, when temperature -controlled fan can open automatically, realize the heat dissipation of the air valve main part, and install dust screen can play the dustproof effect to external dust, improved the heat dissipation effect of the air valve main part. ACCURACY OF DRAWINGS

[0020] Figure 1 A three-dimensional structure schematic diagram of the diesel engine air valve is provided for the utility model;

[0021] Figure 2 An expanded three-dimensional structure schematic diagram of the diesel engine air valve is provided for the utility model;

[0022] Figure 3 A fixed block cross-sectional explosion structure schematic diagram of the diesel engine air valve is provided for the utility model;

[0023] Figure 4 A frame explosion structure schematic diagram of the diesel engine air valve is provided for the utility model;

[0024] Figure 5 A frame local cross-sectional structure schematic diagram of the diesel engine air valve is provided for the utility model.

[0025] Legend: 1, air valve main part; 2, wear -resisting protection assembly; 201, first protection shell; 202, connecting block; 203, slot; 204, fixed block; 205, bidirectional screw rod; 206, handle; 207, first gear; 208, second gear; 209, bearing; 210, moving block; 211, threaded hole; 212, insertion block; 213, second protection shell; 3, dustproof heat dissipation subassembly; 301, temperature -controlled fan; 302, frame; 303, clamping groove; 304, dust screen; 305, slot hole; 306, spring; 307, push handle; 308, clamping block; 309, push block. DETAILED DESCRIPTION

[0026] 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.

[0027] 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.

[0028] Example 1, such as Figure 1 - Figure 4 As shown, this utility model provides a wear-resistant and fatigue-resistant diesel engine valve, including a valve body 1. A wear-resistant protective component 2 is provided on the surface of the valve body 1. The wear-resistant protective component 2 includes a first protective shell 201, a second protective shell 213 rotatably connected to one side of the first protective shell 201, a connecting block 202 connected to the surface of the second protective shell 213, and slots 203 provided at both the upper and lower ends of the connecting block 202. A fixing block 204 is connected to the surface of the first protective shell 201 near the connecting block 202. A bidirectional screw 205 is inserted into the interior of the fixing block 204, and a throttle 206 is inserted into the front end of the fixing block 204. A first gear 207 is connected to the surface of the throttle 206. The second gear 208 is connected to the surface of the double-acting screw 205 near the first gear 207. Movable blocks 210 are connected to both sides of the double-acting screw 205. Threaded holes 211 are opened inside the movable blocks 210. Insert blocks 212 are connected to the inner sides of both sets of movable blocks 210. The position and size of the insert blocks 212 match the position and size of the slot 203. The first gear 207 and the second gear 208 form a meshing connection. The first gear 207 and the second gear 208 are threadedly connected to the movable blocks 210 through the threaded holes 211. The double-acting screw 205 is rotatably connected to the bearing 209. The insert blocks 212 and the slot 203 are plugged into each other.

[0029] The effect achieved by the whole embodiment 1 is that when the wear-resistant protection assembly 2 needs to be installed on the surface of the air valve body 1, the first protection shell 201 can be pasted on the surface of the air valve body 1 first, and then the second protection shell 213 is rotated to close, so that the connecting block 202 of the second protection shell 213 can be matched with the position of the fixed block 204, at this time, the knob 206 can be rotated forward to drive the first gear 207 to rotate forward, and the first gear 207 rotates forward at the same time to drive the bidirectional screw rod 205 to rotate forward, so that the bidirectional screw rod 205 can be screwed with the two groups of moving blocks 210 through the threaded holes 211, so that the two moving blocks 210 can move inward at the same time, so that the plug block 212 is inserted into the insertion slot 203 for fixation, so that the first protection shell 201 and the second protection shell 213 can be installed on the surface of the air valve body 1, and the protection of the air valve body 1 is realized, when the air valve body 1 needs to be repaired, the knob 206 can be rotated reversely to drive the first gear 207 to rotate reversely, and then the bidirectional screw rod 205 is reversely rotated through the meshing connection with the second gear 208, so that the two groups of moving blocks 210 can move to both sides through the reverse screw thread rotation at the same time, drive the plug block 212 to be pulled out from the insertion slot 203, and then the second protection shell 213 is rotated to open, at this time, the air valve body 1 can be repaired.

[0030] As shown in the embodiment 2, Figure 1 and Figure 5 The dustproof and heat dissipation assembly 3 is connected to one side of the first protection shell 201, the dustproof and heat dissipation assembly 3 comprises a temperature control fan 301, the surface of the first protection shell 201 close to the temperature control fan 301 is connected with a frame 302, the two side inner walls of the frame 302 are provided with clamping grooves 303, the inside of the frame 302 is provided with a dust screen 304, the two sides of the dust screen 304 are provided with slot holes 305, the inside of the slot hole 305 is provided with a spring 306, one side of the spring 306 is connected with a push handle 307, one side of the push handle 307 is connected with a clamping block 308, the top of the push handle 307 is fixedly connected with a pushing block 309, the surface of the clamping block 308 is provided with an inclined opening, the position and size of the clamping block 308 match the position and size of the clamping groove 303, the clamping block 308 and the clamping groove 303 form a plug-in connection, the clamping block 308 and the spring 306 form an elastic structure, the two sides of the dust screen 304 are matched with the two sides of the frame 302, and the dust screen 304 and the frame 302 form a sliding connection.

[0031] The effect achieved by the whole embodiment 2 is that when the surface temperature of the air valve body 1 is high, the temperature control fan 301 is automatically started to realize surface heat dissipation of the air valve body 1, and the installed dust screen 304 can isolate external dust to prevent dust from being adsorbed on the surface of the air valve body 1, when the dust screen 304 needs to be disassembled and cleaned after long-time use, the two groups of push blocks 309 can be pushed inwards at the same time, so that the two groups of push blocks 309 can drive the push handle 307 to extrude the spring 306, so that the clamping block 308 can be pulled out from the clamping groove 303, and then the dust screen 304 is pulled upwards, so that the dust screen 304 can be taken out from the frame 302, and the surface dust of the dust screen 304 can be cleaned. The cleaned dust screen 304 can be directly pushed into the frame 302, and when the dust screen 304 is inserted into the frame 302, the spring 306 can drive the push handle 307 to drive the clamping block 308 to be inserted into the clamping groove 303 and fixed, thereby improving the heat dissipation and surface cleanliness of the air valve body 1.

[0032] Working principle: when the wear-resistant protection assembly 2 needs to be installed on the surface of the air valve body 1, the first protection shell 201 can be attached to the surface of the air valve body 1, and the second protection shell 213 can be rotated to the other side surface of the air valve body 1, and then the two groups of insertion blocks 212 can be inserted into the insertion grooves 203 by rotating the handle 206 to be fixed, so that the first protection shell 201 and the second protection shell 213 can protect the air valve body 1, avoiding the problem that the existing air valve body 1 lacks a special surface protection structure, which often causes the air valve to be seriously worn, thereby affecting the service life of the air valve. After long-time use of the surface of the air valve body 1, high temperature may occur, at which time the temperature control fan 301 is automatically started to realize heat dissipation of the air valve body 1, and the installed dust screen 304 can prevent dust from entering, thereby improving the heat dissipation effect of the air valve body 1.

[0033] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A wear and fatigue resistant diesel engine valve comprising a valve body (1) characterised in that: The surface of the gas valve body (1) is provided with a wear-resistant protection assembly (2); The wear-resistant protection assembly (2) comprises a first protection shell (201), one side of the first protection shell (201) is rotatably connected with a second protection shell (213), the surface of the second protection shell (213) is connected with a connecting block (202), the upper and lower ends of the connecting block (202) are both provided with an insertion slot (203), the surface of the side of the first protection shell (201) close to the connecting block (202) is connected with a fixing block (204), the inside of the fixing block (204) is inserted with a bidirectional screw rod (205), the front end of the fixing block (204) is inserted with a rotating handle (206), the surface of the rotating handle (206) is connected with a first gear (207), the surface of the bidirectional screw rod (205) close to the first gear (207) is connected with a second gear (208).

2. The wear and fatigue resistant diesel engine valve of claim 1, wherein: The surfaces of the two sides of the bidirectional screw rod (205) are both connected with a moving block (210), the inside of the moving block (210) is provided with a threaded hole (211), the insides of the two groups of moving blocks (210) are both connected with an insertion block (212).

3. The wear and fatigue resistant diesel engine valve of claim 2, wherein: The position and size of the insertion block (212) are matched with the position and size of the insertion slot (203), and the first gear (207) and the second gear (208) are in meshing connection.

4. The wear and fatigue resistant diesel engine valve of claim 1, wherein: The first gear (207) and the second gear (208) are in threaded connection through the threaded hole (211) and the moving block (210).

5. The wear and fatigue resistant diesel engine valve of claim 2, wherein: The bidirectional screw rod (205) and the bearing (209) are in rotational connection, and the insertion block (212) and the insertion slot (203) are in insertion connection.

6. The wear and fatigue resistant diesel engine valve of claim 1, wherein: The inside of one side of the first protection shell (201) is connected with a dustproof and heat dissipation assembly (3), the dustproof and heat dissipation assembly (3) comprises a temperature control fan (301), and the surface of the first protection shell (201) close to the temperature control fan (301) is connected with a frame (302).

7. The wear and fatigue resistant diesel engine valve of claim 6, wherein: The two side inner walls of the frame (302) are both provided with a clamping groove (303), the inside of the frame (302) is provided with a dust screen (304), and the two sides of the inside of the dust screen (304) are both provided with a slot hole (305).

8. The wear and fatigue resistant diesel engine valve of claim 7, wherein: The inside of the slot hole (305) is provided with a spring (306), one side of the spring (306) is connected with a push handle (307), one side of the push handle (307) is connected with a clamping block (308), and the top of the push handle (307) is fixedly connected with a pushing block (309).

9. The wear and fatigue resistant diesel engine valve of claim 8, wherein: The surface of the clamping block (308) is provided with an inclined opening, the position and size of the clamping block (308) are matched with the position and size of the clamping groove (303), and the clamping block (308) and the clamping groove (303) are in insertion connection.

10. The wear and fatigue resistant diesel engine valve of claim 9, wherein: The clamping block (308) and the spring (306) form an elastic structure, the two side outer surfaces of the dust screen (304) are attached to the two side inner walls of the frame (302), and the dust screen (304) and the frame (302) are in sliding connection.

Citation Information

Patent Citations

  • Air valve of marine diesel engine

    CN222229594U