Novel manual accelerator control structure

Abstract

The utility model provides a novel hand accelerator control structure which comprises an operating handle, the operating handle is fixedly connected to a rotating shaft, the rotating shaft is inserted into a sleeve welding part, the end, away from the operating handle, of the rotating shaft is fixedly connected with a connecting plate, the connecting plate is rotationally connected with a connecting fork through a pin shaft, and the other end of the connecting fork is connected with an accelerator cable. A mounting plate is welded and fixed to the end, away from the operating handle, of the sleeve welding part, positioning pins are fixedly connected to the mounting plate, and the positioning pins are arranged on the two sides of the connecting plate. According to the utility model, the wire wheel is changed into the rocker arm, and the fixation of the wire wheel and the stay wire is changed into the connecting fork from screw connection, thereby improving the reliability of parts and reducing the production cost; the two positioning pins are arranged on the mounting plate of the sleeve welding, so that a limiting function is provided for operation, and parts are prevented from being damaged; and an original box body type assembly is changed into a shaft disc type assembly, so that the space occupied by installation is reduced, and operation and arrangement are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of tractor accessories, in particular to a new type of hand throttle control structure. Background Technique

[0002] The domestic second-generation hand throttle control structure is mainly a mechanism used to manually control the engine throttle opening during field operations. When the throttle opening is maintained at a fixed value, it can be locked after adjustment with the hand throttle, reducing the labor intensity of the driver. Figure 3 Shown in the figure is the domestic second-generation hand throttle control structure on a certain existing tractor. One end of the hand throttle cable is fixed to the wire wheel welding by screws, and the rest is wound around the wire wheel. The wire wheel is welded to the rotating shaft, and a spline is provided in the middle of the front end of the rotating shaft to connect with the operating handle assembly. A thread is provided at the very front end, and the wire wheel welding is pressed tightly between the wire wheel upper cover and the wire wheel lower cover by double nuts, a washer, a wave spring, and a bushing. The end of the throttle cable sleeve is fixed at the wire wheel outlet. This structure has the following deficiencies:

[0003] 1. There are many assembled parts, the processing process is complex, and the procurement cost is high;

[0004] 2. The overall size of this structure is relatively large, occupying a large operating space, which is not conducive to the overall layout of the machine;

[0005] 3. The maintenance of this structure requires overall replacement, and the cost is relatively high.

[0006] Therefore, it is necessary to develop a new type of domestic second-generation hand throttle control structure. Content of the Utility Model

[0007] The utility model aims to provide a new type of hand throttle control structure to overcome the above problems or at least partially solve the above problems.

[0008] To achieve the above object, the technical solution of the utility model is specifically realized as follows:

[0009] The utility model provides a new type of hand throttle control structure, including an operating handle, the operating handle is fixedly connected to a rotating shaft, the rotating shaft is inserted into a sleeve welding, and one end of the rotating shaft away from the operating handle is fixedly connected to a connecting plate. The connecting plate is rotatably connected to a connecting fork through a pin shaft, the other end of the connecting fork is connected to a throttle cable, one end of the sleeve welding away from the operating handle is welded and fixed with a mounting plate, a positioning pin is fixedly connected to the mounting plate, and the positioning pin is arranged on both sides of the connecting plate.

[0010] As a further solution of the present utility model, a first gasket, a second gasket, a nut and a wave spring gasket are respectively sleeved on the rotating shaft. The first gasket and the wave spring gasket are respectively arranged on the lower side and the upper side of the operating handle. The second gasket is arranged on the upper side of the wave spring gasket, and the nut is arranged on the lower side of the first gasket. The nut is in meshing connection with the rotating shaft through a thread. The wave spring gasket and the second gasket are arranged between the operating handle and the sleeve welding.

[0011] As a further solution of the present utility model, two holes are opened on the mounting plate, and positioning pins are fixedly connected to both of the two holes.

[0012] As a further solution of the present utility model, a screw is connected to the mounting plate, and a spring washer is sleeved on the screw.

[0013] As a further solution of the present utility model, a wire fixing bracket is installed on the throttle cable.

[0014] As a further solution of the present utility model, a mudguard is fixedly connected to the wire fixing bracket.

[0015] The present utility model provides a new type of hand throttle control structure, and the beneficial effects are as follows:

[0016] 1. The wire wheel is changed to a rocker arm, and the fixation between the wire wheel and the cable is changed from screw connection to a connection fork, improving the reliability of the parts;

[0017] 2. Parts with relatively high processing costs such as the upper cover of the wire wheel, the lower cover of the wire wheel, and the wire wheel welding are cancelled, reducing the production cost;

[0018] 3. Two positioning pins are arranged on the mounting plate of the sleeve welding to provide a limiting function for the control and avoid damage to the parts;

[0019] 4. The original box-type assembly is changed to a shaft-disc type assembly, reducing the space occupied by installation and facilitating the control layout. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0021] Figure 1 It is a structural schematic diagram of the present utility model.

[0022] Figure 2 It is a sectional schematic diagram at A-A of the present utility model.

[0023] Figure 3 It is a structural schematic diagram of an existing hand throttle control structure.

[0024] In the figure: 1. Operating handle; 2. First gasket; 3. Nut; 4. Second gasket; 5. Rotating shaft; 6. Mounting plate; 7. Positioning pin; 8. Connecting fork; 9. Sleeve welding; 10. Wave spring gasket; 11. Connecting plate; 12. Throttle cable; 13. Fender; 14. Screw; 15. Spring washer; 121. Cable fixing bracket. Specific embodiments

[0025] Hereinafter, exemplary embodiments of the present disclosure will be described in more detail with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure can be more thoroughly understood and the scope of the present disclosure can be fully conveyed to those skilled in the art.

[0026] See Figure 1 and Figure 2 A new type of hand throttle control structure provided by an embodiment of the present invention includes an operating handle 1. The operating handle 1 is fixedly connected to a rotating shaft 5. The rotating shaft 5 is inserted into a sleeve welding 9. And one end of the rotating shaft 5 away from the operating handle 1 is fixedly connected to a connecting plate 11. The connecting plate 11 is rotatably connected to a connecting fork 8 through a pin shaft. The other end of the connecting fork 8 is connected to a throttle cable 12. One end of the sleeve welding 9 away from the operating handle 1 is welded and fixed to a mounting plate 6. A positioning pin 7 is fixedly connected to the mounting plate 6. And the positioning pin 7 is arranged on both sides of the connecting plate 11.

[0027] A first gasket 2, a second gasket 4, a nut 3 and a wave spring gasket 10 are respectively sleeved on the rotating shaft 5. The first gasket 2 and the wave spring gasket 10 are respectively arranged on the lower side and the upper side of the operating handle 1. And a second gasket 4 is arranged on the upper side of the wave spring gasket 10. A nut 3 is arranged on the lower side of the first gasket 2. The nut 3 is meshed with the rotating shaft 5 through a thread. The wave spring gasket 10 and the second gasket 4 are arranged between the operating handle 1 and the sleeve welding 9. Through the first gasket 2, the second gasket 4, the nut 3 and the wave spring gasket 10, the operating handle 1 can be respectively connected to the rotating shaft 5 and the sleeve welding 9, which is convenient for controlling the rotation of the rotating shaft 5.

[0028] Two holes are formed in the mounting plate 6. And positioning pins 7 are fixedly connected to both of the two holes. Through the positioning pins 7, the rotation of the connecting plate 11 can be limited.

[0029] A screw 14 is connected to the mounting plate 6. And a spring washer 15 is sleeved on the screw 14, which is convenient for fixing the mounting plate 6 to the tractor through the screw 14 and the spring washer 15.

[0030] A cable fixing bracket 121 is installed on the throttle cable 12, which facilitates the connection of the throttle cable 12 to the tractor.

[0031] A mudguard 13 is fixedly connected to the cable fixing bracket 121, achieving the purpose of protecting the throttle cable 12 from mud.

[0032] During the use of the present utility model, the mounting plate 6 is installed at the specified area of the tractor through the screws 14 and spring washers 15. At the same time, the throttle cable 12 is also installed on the tractor through the cable fixing bracket 121, and the throttle cable 12 is connected to the engine on the tractor, so as to operate the throttle opening of the engine. At this time, by holding and pulling the operating handle 1, the rotating shaft 5 can be driven to rotate around the center of the sleeve welding 9, and then drive the connecting plate 11 and the connecting fork 8 to rotate, thereby pulling the throttle cable 12, and further controlling the throttle opening of the engine.

[0033] The above are only the embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims

1. A new type of hand throttle control structure, comprising an operating handle (1), characterized in that: The operating handle (1) is fixedly connected to a rotating shaft (5), the rotating shaft (5) is plugged into a sleeve weld (9), and a connecting plate (11) is fixedly connected to one end of the rotating shaft (5) away from the operating handle (1), the connecting plate (11) is rotatably connected to a connecting fork (8) via a pin, the other end of the connecting fork (8) is connected to a throttle cable (12), and a mounting plate (6) is welded and fixed to one end of the sleeve weld (9) away from the operating handle (1), a positioning pin (7) is fixedly connected to the mounting plate (6), and the positioning pin (7) is arranged on both sides of the connecting plate (11).

2. A new hand throttle control structure according to claim 1, characterized in that: The rotating shaft (5) is respectively sleeved with a gasket 1 (2), a gasket 2 (4), a nut (3) and a wave spring gasket (10); the gasket 1 (2) and the wave spring gasket (10) are respectively arranged on the lower side and the upper side of the operating handle (1); the gasket 2 (4) is arranged on the upper side of the wave spring gasket (10); the nut (3) is arranged on the lower side of the gasket 1 (2); the nut (3) is meshed with the rotating shaft (5) through a thread; the wave spring gasket (10) and the gasket 2 (4) are arranged between the operating handle (1) and the sleeve weld (9).

3. A new hand throttle control structure according to claim 1, characterized in that: The mounting plate (6) is provided with two holes, and positioning pins (7) are fixedly connected to the two holes.

4. A new hand throttle control structure according to claim 1, characterized in that: The mounting plate (6) is connected with a screw (14), and the screw (14) is sleeved with a spring washer (15).

5. A new hand throttle control structure according to claim 1, characterized in that: A cable fixing frame (121) is installed on the throttle cable (12).

6. A new hand throttle control structure according to claim 5, characterized in that: The pull wire fixing frame (121) is fixedly connected to a fender (13).

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