Wire drawing type throttle valve of large-displacement motorcycle

Abstract

The utility model discloses a large-displacement motorcycle stay wire type throttle valve which comprises a throttle valve shell, a valve shaft is arranged on the throttle valve shell, a rotating disc is fixed on the valve shaft, an air inlet channel is formed at the position of the rotating disc, a stay wire rotating disc is arranged above the throttle valve shell, and a stay wire is arranged on the stay wire rotating disc. The upper portion of the valve shaft penetrates through the center of the stay wire rotating disc, a dust cover base is arranged on the outer side of the stay wire rotating disc, a dust cover plate is installed above the dust cover base, and an integrated sensor, an idle speed motor and an oil nozzle are further arranged on the throttle valve shell. The throttle valve has the advantages that the dustproof cover is arranged on the throttle valve, external dust, impurities and the like can be blocked outside the throttle valve stay wire rotary table, the throttle valve is suitable for complex and muddy environments and the like, the service life of the throttle valve can be prolonged, the dustproof cover base and the dustproof cover plate are designed in a split mode, production and installation are convenient, and the cost is low. And the opening degree of the throttle valve can be accurately controlled to adapt to different working states, and pollution is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of motorcycle throttles, in particular to a pull-wire throttle for a large-displacement motorcycle. Background Art

[0002] The throttle is connected to the air filter on the top and the engine on the bottom, and is called the throat of the motorcycle. The cable throttle uses a steel wire to control the opening of the throttle. When the throttle is turned, the wire will open the throttle inlet, and when the throttle is released, the return spring on the throttle will close the throttle inlet.

[0003] Motorcycles often travel in muddy and other complex road conditions, and most throttle systems are not equipped with dust-proof devices. Therefore, dust, mud, gravel, impurities, etc. on the road surface will enter the interior of the throttle, which can damage the throttle to a certain extent, affecting the service life of the throttle and even affecting driving safety. Therefore, a large-displacement motorcycle cable throttle with a dust cover is proposed to adapt to complex and muddy road conditions. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a large-displacement motorcycle cable-type throttle with a dust cover.

[0005] The technical solution is as follows: a large-displacement motorcycle cable-type throttle, comprising a throttle housing, a valve shaft vertically arranged in the middle of the throttle housing, a rotating disc fixed on the valve shaft by screws, and an intake channel formed at the rotating disc. The key points are: a cable turntable is arranged above the throttle housing, the upper part of the valve shaft passes through the center of the cable turntable, the side of the cable turntable is provided with fixing screws installed on the throttle housing, a dust cover base is arranged on the outer side of the cable turntable, a dust cover cover is installed above the dust cover base, an integrated sensor is arranged at the bottom of the throttle housing, and an idle motor is arranged on the outer side of the throttle housing. With the above structure, the dust cover base and the dust cover cover cooperate with each other to block external dust, impurities, etc. outside the throttle cable turntable. It is suitable for complex and muddy environments and can extend the service life of the throttle. The dust cover base and the dust cover cover are designed to be separated, which is convenient for production and installation. An integrated sensor and idle motor are provided at the bottom of the throttle, which can realize precise control of the throttle opening and reasonably control the air intake of the throttle.

[0006] Preferably, the dust cover base is a rectangular box structure, a turntable notch for the pull-wire turntable to pass through is provided on one side of the bottom of the dust cover base, and mounting screws are provided on the outer wall near the turntable notch, and the turntable is connected to the throttle housing through the mounting screws. With the above structure, the pull-wire turntable can be extended into the dust cover base, thereby protecting the pull-wire turntable from dust and impurities, and at the same time, the screw installation ensures a tight connection.

[0007] Preferably, the outer walls on both sides of the front and rear sides of the dust cover base are provided with outwardly protruding fixing platforms, and the dust cover cover is provided with ear plates corresponding to the fixing platforms, and fixing holes are provided on the ear plates, so that the dust cover base can be inserted into the dust cover cover, and the fixing platform can be inserted into the fixing holes of the ear plates. With the above structure, the dust cover cover and the dust cover base are fixed through the fixing platforms and the fixing holes of the ear plates, so as to prevent the dust cover cover from falling off during operation, thereby affecting the internal cable turntable and shortening the life of the cable throttle.

[0008] Preferably, a screw notch is provided at the top corner of the dust cover base, the screw notch is close to the notch of the turntable, a connecting plate extending outward is provided at the notch of the turntable, the fixing screws of the cable turntable and the throttle housing can extend out of the notch and do not exceed the connecting plate, and the dust cover cover is correspondingly provided with a baffle extending downward, and the baffle can surround the connecting plate inside. With the above structure, the fixing screws at the connection between the throttle and the cable turntable can be surrounded inside the dust cover.

[0009] Preferably, a throttle cable guide plate is provided on the other side of the bottom of the dust cover base corresponding to the cable turntable, the throttle cable guide plate is a right-angle bent structure, a throttle cable guide hole is provided on the upper part of the throttle cable guide plate, a screw installation hole is provided on the lower part, and screws are inserted into the screw installation hole to sequentially pass through the throttle cable guide plate and the dust cover base to connect with the throttle housing. With the above structure, the throttle cable guide plate is fixed on the dust cover base, and the throttle cable guide hole and the cable turntable cooperate with each other to jointly control the opening and closing of the throttle.

[0010] Preferably, the dust cover base and the dust cover cover plate are both provided with notches corresponding to the throttle cable guide hole, and the notches on the dust cover base and the dust cover cover plate together form a throttle cable through hole. With the above structure, the throttle cable through hole can be connected to the internal throttle cable guide hole and the cable turntable, thereby controlling the opening of the throttle valve.

[0011] Preferably, the integrated sensor includes a temperature sensor, an angle sensor and a pressure sensor, wherein the bottom of the valve shaft extends into the angle sensor, and the temperature sensor extends upward through the temperature detection port into the air intake passage. With the above structure, the integrated sensor can save installation space, and can detect temperature, angle and pressure, and can provide feedback of measured data in a timely manner, and the measured data is accurate.

[0012] Preferably, an idle motor is arranged on the outside of the throttle housing, the idle motor is located next to the integrated sensor, and a fuel injector is arranged on the other side of the throttle housing. With the above structure, the idle motor and the integrated sensor cooperate with each other, the idle motor can change the cross-sectional area of ​​the idle air passage according to the temperature and load of the engine, so that the engine has the best idle speed under different conditions, and the integrated sensor can accurately control the opening of the throttle and the intake volume, and the fuel injector can accurately control the supply of fuel to adapt to different working conditions and reduce air pollution.

[0013] Compared with the prior art, the utility model has the following beneficial effects: a dust cover is arranged on the throttle valve, which can block external dust, impurities, etc. outside the throttle cable turntable, is suitable for complex, muddy and other environments, and can extend the service life of the throttle valve; the dust cover base and the dust cover cover are designed as separate parts, which is convenient for production and installation; and an integrated sensor, an idle motor and a fuel injector are arranged at the bottom of the throttle valve, which can adjust the idle speed, control the opening of the throttle valve, reasonably control the air intake of the throttle valve, and accurately control the fuel supply; the several parts accompany each other to adapt to different working conditions and reduce air pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 for Figure 1 A structural diagram from another perspective;

[0016] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0017] Figure 4 It is a schematic diagram of the structure of the dust cover plate 6;

[0018] Figure 5 It is a schematic structural diagram of the dust cover base 5;

[0019] Figure 6 It is a schematic diagram of the structure of the dust cover base 5 and the throttle housing 1;

[0020] Figure 7It is a schematic structural diagram of the dust cover base 5 and the dust cover cover plate 6. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with embodiments and drawings.

[0022] like Figure 1 and Figure 2 As shown, a large-displacement motorcycle cable throttle comprises a throttle housing 1, a valve shaft 2 is vertically arranged in the middle of the throttle housing 1, a rotating disc 3 is fixed on the valve shaft 2 by screws, an intake channel 9 is formed at the rotating disc 3, a cable turntable 4 is arranged above the throttle housing 1, the upper part of the valve shaft 2 passes through the center of the cable turntable 4, the side of the cable turntable 4 is provided with fixing screws installed on the throttle housing 1, a dust cover base 5 is arranged on the outer side of the cable turntable 4, and the dust cover base 5 is provided on the outer side of the cable turntable 4. 5 is installed above, an integrated sensor 7 is arranged at the bottom of the throttle housing 1, an idle motor 8 is arranged on the outer side of the throttle housing 1, the dust cover base 5 and the dust cover cover 6 are combined into a dust cover, which can surround the pull-wire turntable 4, so as to prevent external dust and impurities from entering the throttle and affecting the use of the throttle. At the same time, the integrated sensor 7 and the idle motor 8 are arranged, which can realize the precise control of the air intake of the throttle, thereby improving the emission standard of the throttle of a large-displacement motorcycle.

[0023] like Figures 4 to 6 As shown, the dust cover base 5 is in the form of a rectangular box structure, a turntable notch 501 for the cable turntable 4 to pass through is provided on one side of the bottom of the dust cover base 5, mounting screws are provided on the outer wall near the turntable notch 501, and a throttle cable guide plate 505 is provided on the other side of the bottom of the dust cover base 5 corresponding to the cable turntable 4, the throttle cable guide plate 505 is in a right-angle bending structure, a throttle cable guide hole 506 is provided on the upper portion of the throttle cable guide plate 505, and a screw mounting hole is provided on the lower portion, a screw is inserted into the screw mounting hole and passes through the throttle cable guide plate 505 and the dust cover base 5 in turn, the dust cover base 5 is connected to the throttle housing 1 through the mounting screws on the outer wall and the screws on the throttle cable guide plate 505, thereby ensuring a tight connection between the dust cover base 5 and the throttle housing 1, and preventing it from falling off during operation.

[0024] A screw notch 503 is provided at the top corner of the dust cover base 5, and the screw notch 503 is close to the turntable notch 501. A connecting plate 504 extending outward is provided at the turntable notch 501. The fixing screws of the cable turntable 4 and the throttle housing 1 can extend out of the notch 504 and do not exceed the connecting plate 504. The dust cover cover 6 is correspondingly provided with a baffle 602 extending downward, and the baffle 602 can surround the connecting plate 504 inside.

[0025] like Figure 7 As shown, the front and rear sides of the dust cover base 5 are provided with outwardly protruding fixing platforms 502, and the dust cover cover plate 6 is provided with an ear plate 601 corresponding to the fixing platform 502, and a fixing hole 604 is opened on the ear plate 601, and the interior of the dust cover cover plate 6 is stepped, and the dust cover base 5 extends into the dust cover cover plate 6 and abuts against the stepped part, and the fixing platform 502 can extend into the fixing hole 604 of the ear plate 601, so as to fix the upper dust cover cover plate 6, and the two are designed as split parts, which are convenient for production and processing and simple for installation; the dust cover base 5 and the dust cover cover plate 6 are both provided with notches corresponding to the throttle cable guide hole 506, and the notches on the dust cover base 5 and the dust cover cover plate 6 together constitute a throttle cable through hole 603, and the throttle cable on the internal pull-cable turntable 4 can pass through the throttle cable guide hole 506 and extend out of the throttle cable through hole 603.

[0026] like Figure 3 As shown, the integrated sensor 7 includes a temperature sensor 701, an angle sensor 702 and a pressure sensor, wherein the bottom of the valve shaft 2 extends into the angle sensor 702, and the temperature sensor 701 extends upward through the temperature detection port 901 and extends into the intake passage 9; an idle motor 8 is arranged on the outside of the throttle housing 1, and the idle motor 8 is located next to the integrated sensor 7, and a fuel injector 10 is arranged on the other side of the throttle housing 1, and the idle motor 8 and the integrated sensor 5 cooperate with each other, and the idle motor 8 can change the cross-sectional area of ​​the idle air passage according to the temperature and load of the engine, so that the engine has the best idle speed under different conditions, and the integrated sensor 5 can realize precise control of the opening of the throttle and control the intake volume, and the fuel injector 10 can precisely control the supply of fuel to adapt to different working conditions and reduce air pollution.

[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present invention. Under the guidance of the present invention, ordinary technicians in this field can make a variety of similar expressions without violating the purpose and claims of the present invention, and such changes fall within the scope of protection of the present invention.

Claims

1. A cable-type throttle valve for a large-displacement motorcycle, comprising a throttle housing (1), a valve shaft (2) vertically arranged in the middle of the throttle housing (1), a rotating disc (3) fixed on the valve shaft (2) by screws, an air intake passage (9) formed at the rotating disc (3), and characterized in that: A cable turntable (4) is arranged above the throttle housing (1), the upper part of the valve shaft (2) passes through the center of the cable turntable (4), the side of the cable turntable (4) is provided with fixing screws installed on the throttle housing (1), a dust cover base (5) is arranged on the outer side of the cable turntable (4), a dust cover cover plate (6) is installed above the dust cover base (5), an integrated sensor (7) is arranged at the bottom of the throttle housing (1), and an idle motor (8) is arranged on the outer side of the throttle housing (1).

2. The cable-type throttle valve for large-displacement motorcycles according to claim 1, characterized in that: The dust cover base (5) is in the form of a rectangular box structure, and a turntable notch (501) for the pull-wire turntable (4) to pass through is provided on one side of the bottom of the dust cover base (5), and mounting screws are provided on the outer side wall near the turntable notch (501), and are connected to the throttle housing (1) via the mounting screws.

3. The cable-type throttle valve for large-displacement motorcycles according to claim 2, characterized in that: The outer side walls on both the front and rear sides of the dust cover base (5) are provided with outwardly protruding fixing platforms (502); the dust cover cover (6) is provided with an ear plate (601) corresponding to the fixing platform (502); a fixing hole (604) is provided on the ear plate (601); the dust cover base (5) can extend into the dust cover cover (6), and the fixing platform (502) can extend into the fixing hole (604) of the ear plate (601).

4. The cable-type throttle valve for large-displacement motorcycles according to claim 2 or 3, characterized in that: A screw notch (503) is provided at the top corner of the dust cover base (5), and the screw notch (503) is close to the turntable notch (501). A connecting plate (504) extending outward is provided at the turntable notch (501). The fixing screws of the cable turntable (4) and the throttle housing (1) can extend out of the notch (503) and do not exceed the connecting plate (504). The dust cover cover (6) is correspondingly provided with a baffle (602) extending downward, and the baffle (602) can surround the connecting plate (504) inside.

5. The cable-type throttle valve for large-displacement motorcycles according to claim 4, characterized in that: A throttle cable guide plate (505) is provided on the other side of the bottom of the dust cover base (5) corresponding to the cable turntable (4); the throttle cable guide plate (505) is in a right-angle bending structure; a throttle cable guide hole (506) is provided on the upper portion of the throttle cable guide plate (505); a screw mounting hole is provided on the lower portion; a screw is inserted into the screw mounting hole and passes through the throttle cable guide plate (505) and the dust cover base (5) in sequence to connect with the throttle housing (1).

6. The cable-type throttle valve for large-displacement motorcycles according to claim 5, characterized in that: The dust cover base (5) and the dust cover cover plate (6) are both provided with notches corresponding to the throttle cable guide hole (506), and the notches on the dust cover base (5) and the dust cover cover plate (6) together form a throttle cable through hole (603).

7. The cable-type throttle valve for large-displacement motorcycles according to claim 1, characterized in that: The integrated sensor (7) comprises a temperature sensor (701), an angle sensor (702) and a pressure sensor, wherein the bottom of the valve shaft (2) extends into the angle sensor (702), and the temperature sensor (701) extends upward through the temperature detection port (901) into the air intake passage (9).

8. The cable-type throttle valve for large-displacement motorcycles according to claim 1, characterized in that: An idle motor (8) is arranged on the outside of the throttle housing (1), and the idle motor (8) is located next to the integrated sensor (7). A fuel injection nozzle (10) is arranged on the other side of the throttle housing (1).

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