Automatic air door control device for gasoline engine

Abstract

The utility model discloses an automatic air door control device for a gasoline engine, which belongs to the technical field of gasoline engines and is characterized by comprising a gasoline engine main body, an air door control handle rotatably arranged on the gasoline engine main body, an electromagnet mounted on the gasoline engine main body, a movable rod slidably arranged on the electromagnet, and a spring sleeved on the movable rod. The movable rod is connected with the air door control handle through the connecting piece, the electromagnet is electrically connected with a controller of the gasoline engine, when the electromagnet is powered on, the movable rod slides and is matched with the electromagnet to extrude the spring, the movable rod drives the air door control handle to rotate through the connecting piece to close the air door, and when the electromagnet is powered off, the spring restores to push the movable rod to slide. According to the control device, automatic control over opening and closing of the air door can be achieved, manual operation is not needed, and operation convenience and working efficiency are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gasoline engine, in particular to a throttle automatic control device for gasoline engine. BACKGROUND

[0002] The gasoline engine is a kind of power machinery using gasoline as fuel, which is composed of cylinder, crank connecting rod mechanism, gas distribution system, oil supply system, lubricating system and ignition system.

[0003] The Chinese patent with publication number CN2849207Y discloses a general gasoline engine convenient to operate, which comprises an engine, a fuel tank located above the engine, a muffler and an air filter located at the side of the fuel tank, an air filter base located below the air filter, a throttle control handle and a throttle control handle arranged on the air filter base, and a ignition switch arranged below the throttle control handle and the throttle control handle.

[0004] The above technical solution has the following defects: the general gasoline engine needs to be manually controlled by the operator when controlling the throttle switch, which is inconvenient to use, so an automatic control device for the throttle switch is needed. INVENTION CONTENTS

[0005] The utility model aims at the above-mentioned problems existing in prior art, and provides a throttle automatic control device for gasoline engine, and the technical problem to be solved by the utility model is how to automatically control the opening and closing of the throttle.

[0006] The above technical purpose of the utility model can be realized by the following technical solution: a throttle automatic control device for gasoline engine, which comprises a gasoline engine main body, a throttle control handle rotatably arranged on the gasoline engine main body, an electromagnet installed on the gasoline engine main body, a movable rod slidably arranged on the electromagnet, a spring sleeved on the movable rod, a connecting piece connecting the movable rod with the throttle control handle, and a controller electrically connected with the electromagnet, wherein when the electromagnet is powered, the movable rod slides and cooperates with the electromagnet to press the spring, the movable rod drives the throttle control handle to rotate and closes the throttle through the connecting piece, and when the electromagnet is powered off, the spring restores and pushes the movable rod to slide, and the movable rod drives the throttle control handle to rotate and resets to open the throttle through the connecting piece.

[0007] In the above-mentioned throttle automatic control device for gasoline engine, the movable rod is provided with a protruding part, one end of the spring is connected with the protruding part, and the other end of the spring is connected with the electromagnet.

[0008] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0009] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0010] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0011] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0012] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0013] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0014] In the automatic control device for the air door of the gasoline engine, one end of the connecting piece is rotatably connected with the movable rod, and the other end of the connecting piece is rotatably connected with the air door control handle.

[0015] When the electromagnet is powered, the movable rod slides and presses the spring in cooperation with the electromagnet, the movable rod drives the air door control handle to rotate and closes the air door through the connecting piece, when the electromagnet is powered off, the spring restores and pushes the movable rod to slide, the movable rod drives the air door control handle to rotate and resets through the connecting piece, and the air door is opened, the opening and closing of the air door can be controlled by controlling whether the electromagnet is powered, the electromagnet is electrically connected with the controller of the gasoline engine, the power-on or power-off of the electromagnet is realized through the controller of the gasoline engine, the automatic control of the opening and closing of the air door is realized, manual operation is not needed, and the operation convenience and work efficiency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the embodiment;

[0017] Figure 2 It is a structural schematic view of the embodiment; Figure 1 It is an enlarged view of A part of the embodiment;

[0018] Figure 3 It is a partial structural schematic view of the embodiment;

[0019] Figure 4 A structural schematic view of a connecting piece of an embodiment;

[0020] Figure 5 A structural schematic view of a damper control handle of an embodiment.

[0021] The reference signs: 1, gasoline engine main body; 2, damper control handle; 3, electromagnet; 4, movable rod; 5, spring; 6, connecting piece; 7, protruding part; 8, connecting part one; 9, connecting hole one; 10, connecting part two; 11, connecting hole two; 12, support plate; 13, strip-shaped hole; 14, bolt; 15, limiting hole; 16, adapter. DETAILED DESCRIPTION

[0022] The following is a specific embodiment of the utility model and combining the drawings, the technical scheme of the utility model is further described, but the utility model is not limited to these embodiments.

[0023] A damper automatic control device for a gasoline engine, as shown in the figure, comprising a gasoline engine main body 1, a damper control handle 2 is rotatably arranged on the gasoline engine main body 1, it needs to be explained that in the present technology, the damper control handle 2 is usually rotated manually to control the opening or closing of the damper, it needs to be noted that as for how the damper control handle 2 controls the opening or closing of the damper through its rotation, it belongs to the prior art, and will not be described here. Figures 1 to 5

[0024] In this embodiment, a limiting hole 15 is formed on the gasoline engine main body 1, the limiting hole 15 is used for limiting the damper control handle 2, the damper control handle 2 passes through the limiting hole 15, that is, the rotation angle of the damper control handle 2 is limited through the limiting hole 15, so as to ensure that the damper can be accurately opened and closed within a reasonable opening range.

[0025] An electromagnet 3 is installed on the gasoline engine main body 1, a support plate 12 is installed on the gasoline engine main body 1, and the electromagnet 3 is detachably connected with the support plate 12.

[0026] Specifically, a strip-shaped hole 13 is formed on the support plate 12, a bolt 14 is arranged in the strip-shaped hole 13, the bolt 14 is threadedly connected with the electromagnet 3, the bolt 14 not only realizes the stable connection between the support plate 12 and the electromagnet 3, but also facilitates the disassembly and maintenance of the electromagnet 3 in the later period, and due to the action of the strip-shaped hole 13, the electromagnet 3 can move along the length direction of the strip-shaped hole 13 during installation, thereby adjusting its installation position, so that the installation of the electromagnet 3 is more convenient, and the installation efficiency is improved.

[0027] ​The electromagnetic iron 3 is slidably provided with a movable rod 4, the movable rod 4 is sleeved with a spring 5, the movable rod 4 is provided with a protruding part 7, the protruding part 7 is annular, one end of the spring 5 is connected with the protruding part 7, the other end of the spring 5 is connected with the electromagnetic iron 3, that is, when the movable rod 4 slides, the protruding part 7 of the movable rod 4 can press the spring 5 in cooperation with the electromagnetic iron 3 or the elastic recovery force of the spring 5 can act on the protruding part 7 of the movable rod 4, thereby making the movable rod 4 slide and reset.

[0028] The movable rod 4 is connected with the damper control handle 2 through a connecting piece 6, one end of the connecting piece 6 is rotationally connected with the movable rod 4, the other end of the connecting piece 6 is rotationally connected with the damper control handle 2.

[0029] Specifically, one end of the connecting piece 6 is provided with a connecting part one 8, the end of the movable rod 4 is provided with a adapter 16, the connecting part one 8 is provided with a connecting hole one 9, the adapter 16 passes through the connecting hole one 9 and rotationally cooperates with the connecting hole one 9, the other end of the connecting piece 6 is provided with a connecting part two 10, the damper control handle 2 is provided with a connecting hole two 11, the connecting part two 10 passes through the connecting hole two 11 and rotationally cooperates with the connecting hole two 11.

[0030] When the electromagnetic iron 3 is powered on, the movable rod 4 slides and presses the spring 5 in cooperation with the electromagnetic iron 3, the movable rod 4 drives the damper control handle 2 to rotate and close the damper through the connecting piece 6, when the electromagnetic iron 3 is powered off, the spring 5 resets and pushes the movable rod 4 to slide, the movable rod 4 drives the damper control handle 2 to reset and open the damper through the connecting piece 6, that is, only the power on or power off of the battery iron needs to be controlled, so that the opening and closing of the damper can be controlled.

[0031] Further, in the embodiment, the electromagnetic iron 3 is electrically connected with the controller of the gasoline engine, that is, the power on or power off of the electromagnetic iron 3 can be controlled through the controller of the gasoline engine, so that the automatic control of the opening and closing of the damper can be realized, without manual operation, thereby improving the convenience and efficiency of operation.

[0032] Specifically, in the embodiment, when the user starts the gasoline engine through the controller, the controller controls the electromagnetic iron 3 to be powered on, thereby controlling the damper to be closed, on the contrary, when the gasoline engine is started, the controller stops outputting, at this time, the electromagnetic iron 3 is powered off, thereby opening the damper.

[0033] The specific embodiments described herein are merely illustrative of the spirit of the present application; those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

Claims

1. A device for automatically controlling the throttle of a gasoline engine, comprising a gasoline engine body (1) having a throttle control handle (2) rotatably mounted thereon, characterized in that: The gasoline engine body (1) is provided with an electromagnet (3), a movable rod (4) is slidably arranged on the electromagnet (3), a spring (5) is sleeved on the movable rod (4), the movable rod (4) is connected with the damper control handle (2) through a connecting piece (6), the electromagnet (3) is electrically connected with the controller of the gasoline engine, when the electromagnet (3) is powered on, the movable rod (4) slides and cooperates with the electromagnet (3) to extrude the spring (5), the movable rod (4) drives the damper control handle (2) to rotate and close the damper through the connecting piece (6), when the electromagnet (3) is powered off, the spring (5) restores and pushes the movable rod (4) to slide, the movable rod (4) drives the damper control handle (2) to rotate and reset to open the damper through the connecting piece (6).

2. The automatic control device for the air door of a gasoline engine according to claim 1, characterized in that: The movable rod (4) has a protruding part (7), one end of the spring (5) is connected with the protruding part (7), and the other end of the spring (5) is connected with the electromagnet (3).

3. The automatic control device for the air door of a gasoline engine according to any one of claims 1 or 2, characterized in that: One end of the connecting piece (6) is rotatably connected with the movable rod (4), and the other end of the connecting piece (6) is rotatably connected with the damper control handle (2).

4. The automatic control device for the air door of a gasoline engine according to claim 3, characterized in that: One end of the connecting piece (6) has a connecting part one (8), the end of the movable rod (4) is provided with an adapter (16), a connecting hole one (9) is formed in the connecting part one (8), the adapter (16) passes through the connecting hole one (9) and is rotatably connected with the connecting hole one (9).

5. The automatic control device for the air door of a gasoline engine according to claim 3, characterized in that: The other end of the connecting piece (6) has a connecting part two (10), a connecting hole two (11) is formed in the damper control handle (2), the connecting part two (10) passes through the connecting hole two (11) and is rotatably connected with the connecting hole two (11).

6. The automatic control device for the air door of a gasoline engine according to any one of claims 1 or 2, characterized in that: The gasoline engine body (1) is provided with a support plate (12), and the electromagnet (3) is detachably connected with the support plate (12).

7. The automatic control device for the air door of a gasoline engine according to claim 6, characterized in that: A strip-shaped hole (13) is formed in the support plate (12), a bolt (14) is arranged in the strip-shaped hole (13), and the bolt (14) is threadedly connected with the electromagnet (3).

8. The automatic control device for the air door of a gasoline engine according to any one of claims 1 or 2, characterized in that: A limiting hole (15) is formed in the gasoline engine body (1), the limiting hole (15) is used for limiting the damper control handle (2), and the damper control handle (2) passes through the limiting hole (15).

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