Long-life diesel engine electronic throttle valve
By installing a carbon deposit protection component inside the diesel engine throttle body, and utilizing the extension and repositioning function of the air filter elastic mesh, the problem of carbon deposit accumulation is solved, thereby improving the lifespan and operational stability of the diesel engine throttle body.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU HUIQIN POWER TECHNOLOGY CO LTD
- Filing Date
- 2025-08-01
- Publication Date
- 2026-07-07
AI Technical Summary
Existing diesel engine throttle valves are prone to malfunction due to increased carbon buildup, affecting normal operation.
A carbon deposit protection component is installed inside the throttle body assembly, including structures such as a throttle tube, outer gasket ring, air filter elastic mesh, inner gasket, column head, and sliding column. Through the extension and repositioning of the air filter elastic mesh, carbon deposits are actively captured and removed.
It effectively prevents carbon buildup in the throttle body, improving the service life and operational reliability of the throttle valve.
Smart Images

Figure CN224469221U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of diesel engine electronic throttle technology, specifically a long-life diesel engine electronic throttle. Background Technology
[0002] The throttle valve is a controllable valve that regulates the amount of air entering the engine. After entering the intake manifold, the air mixes with gasoline to form a combustible mixture, which is then burned to produce power. It connects to the air filter above and the engine block below, and is often referred to as the throat of a car engine.
[0003] Since the throttle valve mainly controls the amount of combustible mixture input, during the combustion of the combustible mixture to generate power, problems such as poor fuel quality and substandard air filtration can lead to increased carbon deposits that enter the cylinder. Under pressure, excessive carbon deposits can be squeezed into the throttle pipe, which can cause throttle valve failure.
[0004] In view of this, a long-life diesel engine electronic throttle valve was designed to solve the above problems. Utility Model Content
[0005] This utility model aims to solve one of the technical problems existing in the prior art or related technologies.
[0006] Therefore, the technical solution adopted by this utility model is as follows:
[0007] A long-life diesel engine electronic throttle valve includes a throttle valve assembly and two sets of carbon deposit protection components installed within the throttle valve assembly. The throttle valve assembly includes a strut, a valve plate fixedly installed inside the strut, and two guide rods fixedly installed inside the valve plate and symmetrically distributed. The carbon deposit protection components include a throat pipe disposed outside the strut, an outer gasket fixedly installed inside the throat pipe, a filter elastic mesh fixedly installed inside the outer gasket, and an inner gasket fixedly installed in the middle of the filter elastic mesh. A pin is installed inside the inner gasket, a pin is inserted into the pin, and a sliding column is movably installed outside the pin. The sliding column has two sliding grooves inside, and the guide rods are adapted to pass through the two sliding grooves.
[0008] In a preferred embodiment, the present invention may be further configured such that the throttle assembly also includes a main body fixedly installed in the middle of the throat.
[0009] In a preferred embodiment, the present invention may be further configured such that the carbon deposit protection component also includes a gasket fixedly installed on the outer wall of the throat and two flanges fixedly installed at both ends of the throat.
[0010] The outer end of the support rod is adapted to penetrate into the pad.
[0011] In a preferred embodiment, the present invention can be further configured such that the carbon deposit protection component also includes a plurality of anti-vibration plates fixedly installed on the inner wall of the throat, and the anti-vibration plates are in a Z-shaped structure, with the inner end of the anti-vibration plate adapted to bear pressure on the outer surface of the air filter elastic mesh.
[0012] In a preferred embodiment, the present invention can be further configured such that the air-filtering elastic mesh is composed of a double-layer mesh surface and spiral elastic steel wires.
[0013] In a preferred embodiment, the present invention can be further configured such that: a U-shaped groove is provided inside the sliding column, and the valve plate is adapted to be inserted into the U-shaped groove.
[0014] By adopting the above technical solution, the beneficial effects achieved by this utility model are as follows:
[0015] 1. This utility model installs two sets of symmetrically distributed carbon deposit protection components at both ends of the throat tube. As the valve plate is flipped to the side, the two guide rods installed on the valve plate will drive the two sliding columns to bend and extend relative to each other. Finally, the two stretched column heads will drive the two inner gaskets to contract towards the middle of the throat tube cavity, which will cause the two air filter elastic nets to extend into an inward V-shape structure, thereby capturing carbon deposits in the incoming gas. Combined with the rapid reset of the air filter elastic net after losing pressure and the impact of the anti-vibration plate, the removal of carbon deposits on the outer surface of the air filter elastic net can be further improved. Attached Figure Description
[0016] Figure 1 This is a three-dimensional schematic diagram of the present invention;
[0017] Figure 2 This is a schematic diagram of the throttle valve assembly of this utility model;
[0018] Figure 3 This is an exploded schematic diagram of the carbon deposit protection component of this utility model.
[0019] Figure label:
[0020] 100. Throttle body assembly; 110. Main body; 120. Support rod; 130. Valve plate; 140. Guide rod;
[0021] 200. Carbon deposit protection component; 210. Pipe; 2101. Flange; 2102. Gasket; 220. Outer gasket ring; 230. Air filter elastic mesh; 240. Inner gasket; 250. Column head; 2501. Pin; 260. Sliding column; 2601. Sliding groove; 270. Anti-vibration plate. Detailed Implementation
[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings. It should be noted that, unless otherwise specified, the embodiments and features of the present utility model can be combined with each other.
[0023] It should be understood that these descriptions are merely exemplary and not intended to limit the scope of this invention.
[0024] The following describes, with reference to the accompanying drawings, some embodiments of the present invention, providing a long-life electronic throttle valve for diesel engines.
[0025] Example 1:
[0026] Combination Figures 1 to 3 As shown, the present invention provides a long-life diesel engine electronic throttle valve, including a throttle valve assembly 100 and two sets of carbon deposit protection components 200 installed in the throttle valve assembly 100. The two sets of carbon deposit protection components 200 are used to actively capture carbon deposits generated by combustible mixture.
[0027] The throttle assembly 100 includes a main body 110 and a support rod 120, a valve plate 130 fixedly installed inside the support rod 120, and two guide rods 140 fixedly installed inside the valve plate 130 and symmetrically distributed.
[0028] The carbon deposit protection component 200 includes a throat 210 disposed outside the support rod 120, an outer gasket 220 fixedly installed inside the throat 210, a filter elastic mesh 230 fixedly installed inside the outer gasket 220, an inner gasket 240 fixedly installed in the middle of the filter elastic mesh 230, a column head 250 installed inside the inner gasket 240, a pin 2501 inserted into the column head 250, a sliding column 260 movably installed outside the pin 2501, and a main body 110 fixedly installed in the middle of the throat 210.
[0029] The sliding column 260 has two sliding grooves 2601 inside, and the guide rod 140 is adapted to pass through the two sliding grooves 2601. The gasket 2102 and the two flanges 2101 are fixedly installed on the outer wall of the throat tube 210.
[0030] The outer end of the strut 120 is adapted to penetrate into the pad 2102.
[0031] Specifically, as the motor inside the main body 110 rotates in conjunction with the gear-assisted rotation support rod 120, the valve plate 130 installed inside the support rod 120 will regulate the opening and closing gap of the valve in the inner cavity of the throat 210. The combustible mixture will be input into the inner cavity of the throat 210 through the stretched filter elastic net 230. The valve plate 130, which is in a horizontal position, can strongly filter the combustible mixture after the filter elastic net 230 is contracted without changing the stretched state of the filter elastic net 230.
[0032] Conversely, as the gap between the valve plate 130 and the inner cavity of the throat tube 210 narrows, the filter elastic mesh 230 will also be stretched, and the gas will pass through more smoothly, thus protecting against carbon deposits squeezed in under different pressures.
[0033] Example 2:
[0034] Combination Figure 3 As shown, based on Embodiment 1, the carbon deposit protection component 200 also includes a plurality of anti-vibration plates 270 fixedly installed on the inner wall of the throat 210, and the anti-vibration plates 270 are generally Z-shaped, with the inner end of the anti-vibration plate 270 adapted to bear pressure on the outer surface of the air filter elastic mesh 230.
[0035] The air-filtering elastic mesh 230 is composed of a double-layer mesh surface and spiral elastic steel wires;
[0036] The slide column 260 has a U-shaped groove inside, and the valve plate 130 is adapted to be inserted into the U-shaped groove.
[0037] Preferably, the end of the column head 250 away from the sliding column 260 is welded to the inside of the inner gasket 240, and the column head 250 is located in the middle of the inner cavity of the throat 210. As the support rod 120 drives the valve plate 130 to flip to the side, the guide rod 140 installed in the valve plate 130 will pull the sliding column 260 and the column head 250 to bend and extend to the side. Finally, the inner gasket 240 will drive the air filter elastic net 230 to expand inward, thereby accelerating the airflow input.
[0038] The working principle and usage process of this utility model are as follows: Two guide rods 140 are fixedly installed on both sides of the support rod 120. Then, two outer gaskets 220 are fixedly installed at both ends of the throat tube 210. An elastically stretchable filter mesh 230 is fixedly installed on the inner side of the throat tube 210. When the support rod 120 is assisted to rotate and the valve plate 130 is tilted along the middle of the inner cavity of the throat tube 210, the two guide rods 140 inside the valve plate 130 will apply traction force to the two sliding columns 260. As the two sliding columns 260 bend to the side, the traction column head 250 will drive the inner gasket 240 toward the throat tube 210. The filter elastic mesh 230 extends from the center of the inner cavity until it forms an outward V-shape. Airflow enters through the extended filter elastic mesh 230, and carbon deposits in the airflow are actively captured by the filter elastic mesh 230. When the support rod 120 is subjected to the torsion spring's reset torque, the rapidly reset valve plate 130 and the two guide rods 140 lose pressure on the two sliding pillars 260. Finally, under the action of internal elasticity, the filter elastic mesh 230 quickly contracts between the outer gasket ring 220 and the inner gasket 240 and is struck by multiple evenly distributed anti-vibration plates 270, thereby improving the rapid dissipation of carbon deposits on the outer surface of the filter elastic mesh 230.
[0039] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A long-life diesel engine electronic throttle valve, comprising a throttle valve assembly (100), characterized in that, It also includes two sets of carbon deposit protection components (200) installed in the throttle body assembly (100). The throttle assembly (100) includes a strut (120), a valve plate (130) fixedly installed inside the strut (120), and two guide rods (140) fixedly installed inside the valve plate (130) and symmetrically distributed. The carbon deposit protection component (200) includes a throat (210) disposed outside the strut (120), an outer gasket (220) fixedly installed inside the throat (210), a filter elastic mesh (230) fixedly installed inside the outer gasket (220), an inner gasket (240) fixedly installed in the middle of the filter elastic mesh (230), a column head (250) installed inside the inner gasket (240), a pin (2501) inserted into the column head (250), and a sliding column (260) movably installed outside the pin (2501). The sliding column (260) has two sliding grooves (2601) inside, and the guide rod (140) is adapted to pass through the two sliding grooves (2601).
2. The long-life electronic throttle valve for diesel engines according to claim 1, characterized in that, The throttle assembly (100) also includes a body (110) fixedly installed in the middle of the throat (210).
3. The long-life electronic throttle valve for diesel engines according to claim 1, characterized in that, The carbon deposit protection assembly (200) also includes a gasket (2102) fixedly installed on the outer wall of the throat (210) and two flanges (2101) fixedly installed at both ends of the throat (210). The outer end of the support rod (120) is adapted to penetrate into the pad (2102).
4. A long-life electronic throttle valve for diesel engines according to claim 1, characterized in that, The carbon deposit protection component (200) also includes multiple anti-vibration plates (270) fixedly installed on the inner wall of the throat (210), and the anti-vibration plates (270) are in a Z-shaped structure. The inner end of the anti-vibration plate (270) is adapted to bear pressure on the outer surface of the air filter elastic mesh (230).
5. A long-life electronic throttle valve for diesel engines according to claim 1, characterized in that, The air-filtering elastic mesh (230) is composed of a double-layer mesh and spiral elastic steel wires.
6. A long-life diesel engine electronic throttle valve according to claim 1, characterized in that, The slide column (260) has a U-shaped groove inside, and the valve plate (130) is adapted to be inserted into the U-shaped groove.