JP2024085859A - Throttle grip device - Google Patents

Abstract

A throttle grip device is provided that allows a predetermined operating torque to be easily set according to demand.
[Solution] A throttle grip device comprising an interlocking member 2 that can rotate in conjunction with a throttle grip G, a case 1 that rotatably holds the interlocking member 2, a magnetic sensor 9 that can detect the rotation angle of the throttle grip G by detecting the rotation angle of the interlocking member 2, and a first biasing means 3 that biases the interlocking member 2 toward its initial position when the throttle grip G rotates, in which a resistance force imparting means 7 and a first seal member 12 and a second seal member 13 having different diameters can be selectively attached, and when the interlocking member 2 rotates, the first biasing means 3 and the selectively attached resistance force imparting means 7, first seal member 12 and second seal member 13 generate a predetermined operating torque.
[Selected figure] Figure 4

Description

The present invention relates to a throttle grip device that controls the drive source of a vehicle based on the rotational operation of the throttle grip.

Recently, throttle grip devices have become common in motorcycles, which are configured to detect the rotation angle of the throttle grip with a sensor and send the detected value as an electrical signal to an electronic control device mounted on the motorcycle. In motorcycles, the electronic control device performs a predetermined calculation based on the detection signal, and the drive source of the motorcycle (for example, the ignition timing of the engine, the opening and closing of the intake valve or throttle valve) is controlled based on the calculation results.

One example of a conventional throttle grip device is that disclosed in Patent Document 1. In this conventional throttle grip device, an engaging portion formed on the throttle grip engages with an engaged portion formed on the interlocking member to connect the throttle grip and the interlocking member, and the rotation angle of the interlocking member is detected by a sensor to detect the rotation angle of the throttle grip, thereby controlling the engine.

JP 2019-105244 A

However, in the above-mentioned conventional technology, when setting the operating torque generated when rotating the throttle grip, a resistance force applying means was provided separately from the return spring, and the operating torque was set by the sliding resistance generated by the resistance force applying means, making it difficult to set the operating torque according to the requirements of the vehicle. In particular, the operating torque requirements of the vehicle are widely varied depending on the type and manufacturer of the vehicle, and preparing and installing different resistance force applying means for each of these diverse requirements was a cost problem.

The present invention was made in consideration of these circumstances, and aims to provide a throttle grip device that can easily set a specified operating torque according to requirements.

The invention described in claim 1 is a throttle grip device that includes a throttle grip that can be rotated by a driver, an interlocking member that has an engaged portion that can engage with an engaging portion formed on the throttle grip and can rotate in conjunction with the throttle grip, a case that has an open end and a bottom end and rotatably holds the interlocking member, a rotation angle detection means that can detect the rotation angle of the throttle grip by detecting the rotation angle of the interlocking member, and a biasing means that biases the interlocking member toward an initial position when the throttle grip rotates, and is capable of controlling a drive source of a vehicle according to the rotation angle of the throttle grip detected by the rotation angle detection means, and is characterized in that a resistance force applying means that generates a sliding resistance when the interlocking member rotates and a plurality of sealing means that seal between the interlocking member and the case at predetermined positions can be optionally attached, and when the interlocking member rotates, a predetermined operating torque is generated by the biasing means and the resistance force applying means or sealing means that are selectively attached.

The invention described in claim 2 is characterized in that in the throttle grip device described in claim 1, the sealing means is made of sealing members having different diameters.

The invention described in claim 3 is characterized in that in the throttle grip device described in claim 1, the resistance force applying means is made of a friction member assembled in contact with the sliding surface formed on the interlocking member.

The invention described in claim 4 is characterized in that, in the throttle grip device described in claim 1, a cover member is provided that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, and at least one of the selectively attached sealing means is made of a first sealing member that seals between the interlocking member and the opening of the cover member.

The invention described in claim 5 is characterized in that in the throttle grip device described in claim 4, at least one of the selectively attached sealing means is made of a second sealing member that seals between the interlocking member and the bottom side end of the case.

The invention of claim 6 is characterized in that, in the throttle grip device of claim 1, a cover member is provided that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, the interlocking member is configured with a cylindrical portion that extends to the bottom end of the case, and the selectively attached sealing means comprises a first sealing member that seals between the interlocking member and the opening of the cover member, and a second sealing member that seals between the cylindrical portion of the interlocking member and the bottom end of the case.

According to the invention of claim 1, a resistance force applying means that generates sliding resistance when the interlocking member rotates, and a plurality of sealing means that seal between the interlocking member and the case at a predetermined position can be selectively attached, and when the interlocking member rotates, a predetermined operating torque is generated by the biasing means and the selectively attached resistance force applying means or sealing means, so that the predetermined operating torque can be easily set according to requirements, and by selectively attaching the sealing means, a sealing effect can be achieved in addition to the generation of operating torque.

According to the invention of claim 2, the sealing means is made up of sealing members with different diameters, so that a predetermined operating torque can be easily set by selectively combining the sealing members.

According to the invention of claim 3, the resistance force applying means is made of a friction member assembled in contact with the sliding surface formed on the interlocking member, so that any desired sliding resistance can be easily generated to generate operating torque.

According to the invention of claim 4, a cover member is provided that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, and at least one of the selectively attached sealing means is made of a first sealing member that seals between the interlocking member and the opening of the cover member, so that the first sealing member can be used to set the operating torque while sealing between the interlocking member and the opening of the cover member.

According to the invention of claim 5, at least one of the selectively attached sealing means is made of a second sealing member that seals between the interlocking member and the bottom end of the case, so that the operating torque can be set while sealing between the interlocking member and the bottom end of the case.

According to the invention of claim 6, a cover member is provided that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, the interlocking member is configured with a cylindrical portion that extends to the bottom end of the case, and the selectively attached sealing means comprises a first sealing member that seals between the interlocking member and the opening of the cover member, and a second sealing member that seals between the cylindrical portion of the interlocking member and the bottom end of the case, so that a predetermined operating torque can be generated by the operating torque of the first sealing member and the second sealing member.

FIG. 1 is an overall perspective view showing a throttle grip device according to an embodiment of the present invention; FIG. 4 is a perspective view showing the throttle grip device with a switch case removed. FIG. 3 is a three-dimensional view showing the unit of the main components of the throttle grip device. IV-IV line cross-sectional view in FIG. Cross-sectional view taken along line VV in FIG. FIG. 2 is an exploded perspective view showing the main components (front side) of the throttle grip device; FIG. 2 is an exploded perspective view showing the main components (rear side) of the throttle grip device; FIG. 2 is a perspective view showing a throttle grip of the throttle grip device; FIG. 2 is a two-sided view showing a case of the throttle grip device. FIG. 3 is a three-dimensional view showing an interlocking member of the throttle grip device. 3A and 3B are three-sided views showing a cover member of the throttle grip device; FIG. 13 is a perspective view showing a state in which a first biasing means, a first sealing means, and a second sealing means are attached to an interlocking member of the throttle grip device; 6 is a graph showing the relationship between the operation angle and torque when the first biasing means, the resistance force applying means, the first sealing means, and the second sealing means are respectively attached to the throttle grip device. 6 is a graph showing the relationship between the operation angle and the torque when the first biasing means is combined with other components (the resistance force applying means, the first sealing means, and the second sealing means) in the throttle grip device. FIG. 11 is a cross-sectional view showing a throttle grip device according to another embodiment of the present invention; FIG. 13 is a perspective view showing a state in which a first biasing member, a first oil seal, and a second oil seal are attached to an interlocking member of the throttle grip device according to the second embodiment;

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
The throttle grip device according to this embodiment, as shown in Figures 1 and 2, detects the rotation angle of a throttle grip G attached to a handlebar H of a motorcycle (vehicle) and transmits the detection signal to an electronic control device such as an ECU mounted on the motorcycle to control a drive source (engine). Specifically, as shown in Figures 1 to 7, the throttle grip device according to this embodiment is configured to include a throttle grip G, a case 1, an interlocking member 2, a first biasing means 3, a second biasing means 4, a rotating member 5, a magnetic sensor 9 (rotation angle detection means), a resistance force applying means 7, and a first seal member 12 and a second seal member 13 as sealing means.

Case 1 is disposed inside a switch case S (see Figs. 1 and 2) that is attached to the tip side (base end side of the throttle grip G) of the handlebar H of a two-wheeled vehicle (vehicle), and houses the various components that make up this throttle grip device, as well as rotatably holding the interlocking member 2 and the rotating member 5, etc., as shown in Figs. 6, 7 and 9. Case 1 is made of a container-shaped member having an opening end N1 and a bottom end N2, and is configured so that the various components are inserted into case 1 from the opening end N1. Various switches W for operating the vehicle's electrical equipment are attached to switch case S.

As shown in FIG. 9, the case 1 according to this embodiment is made of a molded part having a first housing portion 1a that rotatably houses the interlocking member 2, a second housing portion 1b that rotatably houses the rotating member 5, a third housing portion 1c that houses the resistance force applying means 7, a stopper portion 1d against which the protrusion 6a of the biasing force selecting means 6 can abut, a locking portion 1e that can lock one end of the first biasing means 3, an annular recess 1f in which the second seal member 13 is attached, a housing recess 1g that houses the magnetic sensor 9 and the printed circuit board 8, and an attachment recess 1h in which the third seal member 14 is attached.

As shown in Figures 3 and 4, the cover member 11 is made of a plate-like member with an opening 11a that covers the open end N1 of the case 1 and exposes the surface end F1, where the engaged portion 2a of the interlocking member 2 is formed, to the throttle grip G. As shown in Figure 11, the cover member 11 is shaped to follow the outer contour of the open end N1 of the case 1, and a recess 11b that supports one end of the shaft member L is formed in a portion of the case 1 that corresponds to the arrangement position of the rotating member 5 (second housing portion 1b).

The throttle grip G extends from the switch case S and can be rotated by the driver while gripping it. As shown in Figures 1 and 2, it can rotate in a predetermined direction a around an axis from an initial position and in a reverse direction b opposite to the predetermined direction. A protruding engagement portion Ga (see Figure 8) is formed on the base end of the throttle grip G, and this engagement portion Ga engages with the engaged portion 2a (see Figures 3, 6, 10, etc.) of the interlocking member 2, thereby connecting the throttle grip G and the interlocking member 2.

The interlocking member 2 has an engaged portion 2a formed of a concave shape that can engage with an engaging portion Ga formed on the throttle grip G, and can rotate in conjunction with the forward rotation a and reverse rotation b of the throttle grip G. Specifically, as shown in FIG. 10, the interlocking member 2 according to this embodiment is made of a molded member having an engaged portion 2a, a pair of accommodating portions 2b, a flange 2c, a gear 2d, a cylindrical portion 2e, an annular wall portion 2f, and an attachment groove portion 2h. Furthermore, the interlocking member 2 according to this embodiment is formed with a sliding surface n that allows the resistance force applying means 7 to slide.

The engaged portions 2a are formed with recesses at positions corresponding to the engaging portions Ga of the throttle grip G, and the base end of the throttle grip G is connected to the interlocking member 2 with the engaging portions Ga fitted into the engaged portions 2a. This allows the interlocking member 2 to rotate in conjunction with the rotation of the throttle grip G. The engaged portions 2a are formed on the surface end portion F1 of the interlocking member 2, and when assembled to the case 1, as shown in FIG. 3, they are exposed to the outside through the opening 11a of the cover member 11.

The accommodation portion 2b is composed of a pair of grooves formed in an arc shape between the engaged portions 2a, and each of the second biasing means 4 can be accommodated inside the accommodation portion 2b. The interlocking member 2 is also formed with a flange 2c in the circumferential direction, and a gear 2d is formed over a predetermined range. As shown in FIG. 5, this gear 2d is assembled in a state where it meshes with a gear formed on the outer periphery of the rotating member 5, so that the rotating member 5 rotates in conjunction with the rotation of the interlocking member 2.

Furthermore, as shown in FIG. 4, the interlocking member 2 according to this embodiment is integrally formed with a tubular portion 2e that extends to the bottom end N2 of the case 1. The tubular portion 2e has a cylindrical shape with an extension dimension T (see FIG. 4) from the engaged portion 2a to the tip F2, and is configured so that the first biasing means 3 is accommodated in the gap between the interlocking member 2 and the tubular portion 2e when assembled in the case 1.

As shown in Figures 7 and 10, the annular wall portion 2f is formed in an arc shape along the outer periphery of the storage portion 2b, and a notch portion 2g is formed in part of it. As shown in Figure 12, when the biasing force selection means 6 is attached to the back side of the interlocking member 2, the protrusion portion 6a of the biasing force selection means 6 is inserted into the notch portion 2g. The attachment groove portion 2h is formed in a groove shape formed along the outer periphery of the front end portion F1 of the interlocking member 2, and the first seal member 12 is fitted into it.

The first biasing means 3 is a return spring consisting of a torsion coil spring that biases the interlocking member 2 toward its initial position when the throttle grip G rotates forward a. Specifically, the first biasing means 3 is assembled with one end engaged with the retaining portion 1e of the case 1 and the other end engaged with the interlocking member 2, and when the throttle grip G rotates forward a, the interlocking member 2 rotates against the biasing force of the first biasing means 3, and this biasing force is transmitted to the throttle grip G, acting to return the throttle grip G to its initial position.

The second biasing means 4 is housed in the housing 2b of the interlocking member 2 and is made of a pair of coil springs attached with one end abutting against a spring receiving portion 6b (see Figures 5 and 6) formed on the biasing force selection means 6, and is for biasing the interlocking member 2 toward the initial position when the throttle grip G is rotated in reverse b. Specifically, when the throttle grip G is rotated in reverse b, the protrusion 6a of the biasing force selection means 6 is engaged with the stopper portion 1d of the case 1, so that the interlocking member 2 rotates while the biasing force selection means 6 is stopped, and the interlocking member 2 rotates against the biasing force of the second biasing means 4, so that the biasing force is transmitted to the throttle grip G, and a force acts to return the throttle grip G to the initial position. In addition, when the throttle grip G is rotated forward a, the protrusion 6a of the force selection means 6 is not engaged with the stopper portion 1d of the case 1, so the second force selection means 4 rotates together with the force selection means 6 and no force is generated.

The rotating member 5 can rotate in conjunction with the interlocking member 2, and is housed in the second housing portion 1b (see FIG. 9) of the case 1, and is rotatable about the shaft member L (see FIG. 4). When the interlocking member 2 rotates, the rotating member 5 rotates about the shaft member L at a rotation angle corresponding to the rotation angle of the interlocking member 2. As shown in FIG. 4, the rotating member 5 is connected to the magnet M via the shaft member L, and the magnet M rotates about the shaft member L together with the rotating member 5. A torsion coil spring r is attached to the shaft member L, and the torsion coil spring r biases the rotating member 5 in the rotational direction, preventing rattling between the rotating member 5 and the gear 2d of the interlocking member 2.

As shown in FIG. 4, the magnetic sensor 9 (rotation angle detection means) is a sensor arranged on an extension line of the shaft member L, and is capable of detecting the rotation angle of the throttle grip G by detecting the change in magnetism (change in the direction of the magnetic field) generated by the magnet M. Specifically, the magnetic sensor 9 can obtain an output voltage corresponding to the change in the magnetic field (change in magnetic flux density) of the magnet M, and is composed of, for example, a Hall element (specifically, a linear Hall IC that can obtain an output voltage proportional to the magnetic field (magnetic flux density) of the magnet M), which is a magnetic sensor that utilizes the Hall effect. The magnetic sensor 9 according to this embodiment is formed on a printed circuit board 8 on which a predetermined electric circuit is printed. In addition, the printed circuit board 8 on which the magnetic sensor 9 is mounted is accommodated in the accommodation recess 1g of the case 1, and then molded with a predetermined resin material to make it waterproof and dustproof.

In the throttle grip device according to this embodiment, when the interlocking member 2 rotates in the same direction as the throttle grip G rotates forward a, the rotating member 5 also rotates in accordance with the gear ratio (the gear ratio of the interlocking member 2 and the rotating member 5), and the magnet M connected to the rotating member 5 also rotates in the same direction by the same angle. As a result, in the throttle grip device according to this embodiment, the magnetic field of the magnet M changes depending on the rotation angle of the rotating member 5, so an output voltage according to the rotation angle can be obtained, and the rotation angle of the interlocking member 2 (i.e., the rotation angle of the throttle grip G) can be detected based on the output voltage. The rotation angle of the throttle grip G detected in this way is transmitted as an electric signal to an ECU (engine control unit) mounted on the motorcycle, and the engine (drive source) of the vehicle can be controlled according to the transmitted rotation angle of the throttle grip G.

On the other hand, when the interlocking member 2 rotates in the same direction as the throttle grip G rotates in the reverse direction b, the rotating member 5 rotates in accordance with the gear ratio (the gear ratio of the interlocking member 2 and the rotating member 5), and the magnet M attached to the rotating member 5 also rotates in the same direction by the same angle. As a result, the throttle grip device of this embodiment can obtain an output voltage according to the rotation angle, as the magnetic field of the magnet M changes depending on the rotation angle of the rotating member 5, and can detect the reverse rotation b of the throttle grip G.

In this way, the throttle grip device according to this embodiment is capable of activating or deactivating a predetermined function of the motorcycle when reverse rotation b of the throttle grip G is detected. In this embodiment, the throttle grip device is applied to a motorcycle equipped with a constant vehicle speed maintaining device (autocruise device) that maintains a constant traveling speed, and is configured so that the constant vehicle speed maintaining control can be stopped (cancelled) when the throttle grip G is rotated in reverse b.

The resistance force applying means 7 generates a rotational load by generating a sliding resistance (frictional resistance due to sliding) when the throttle grip G rotates, and is configured with a friction member 7a made of a friction member assembled in abutment against a sliding surface n formed around the circumferential direction of the interlocking member 2, and a spring 7b that biases the friction member 7a. The resistance force applying means 7 is housed in the third housing portion 1c of the case 1, and is assembled so that the biasing force of the spring 7b presses the friction member 7a against the sliding surface n of the interlocking member 2. As a result, when the interlocking member 2 rotates in conjunction with the rotation operation of the throttle grip G, the friction member 7a slides against the sliding surface n, generating a frictional force and generating a predetermined operating torque (operating load).

The throttle grip device according to this embodiment includes a first seal member 12 that seals between the interlocking member 2 and the opening 11a of the cover member 11, a second seal member 13 that seals between the cylindrical portion 2e of the interlocking member 2 and the bottom side end N2 of the case 1, and a third seal member 14 that seals between the peripheral portion of the opening side end N1 of the case 1 and the peripheral portion of the cover member 11.

The first seal member 12 in this embodiment is made of an O-ring with a larger diameter than the second seal member 13, and as shown in FIG. 12, is fitted into the mounting groove 2h formed on the surface end F1 side of the interlocking member 2, and as shown in FIG. 4, is assembled while being pressed radially by the inner peripheral edge of the opening 11a in the cover member 11. As a result, the interlocking member 2 is sealed between the opening 11a of the cover member 11 and the first seal member 12, and a predetermined operating torque (operating load) is generated when the interlocking member 2 rotates in conjunction with the rotation operation of the throttle grip G.

The second seal member 13 in this embodiment is made of an O-ring with a smaller diameter than the first seal member 12, and is attached to the tip F2 side of the cylindrical portion 2e of the interlocking member 2 as shown in FIG. 12, and is fitted into the annular recess 1f formed in the bottom side end N2 of the case 1 as shown in FIG. 4, and is assembled while being pressed radially. As a result, the interlocking member 2 is sealed between the cylindrical portion 2e and the bottom side end N2 of the case 1 by the second seal member 13, and a predetermined operating torque (operating load) is generated when the interlocking member 2 rotates in conjunction with the rotation operation of the throttle grip G. The second seal member 13 is prevented from coming off by the retaining member 10 when fitted into the annular recess 1f.

The third seal member 14 in this embodiment is made of a gasket, and as shown in FIG. 9, is fitted into an attachment recess 1h formed along the periphery of the opening end N1 of the case 1, and as shown in FIG. 4, is assembled while being pressed axially by the periphery of the cover member 11. As a result, the throttle grip device in this embodiment is designed to seal between the periphery of the case 1 and the periphery of the cover member 11.

Furthermore, as shown in FIG. 4, the cover member 11 according to this embodiment is configured to cover the location where the rotating member 5 is disposed and to seal it with the first seal member 12 and the third seal member 14. That is, as shown in FIGS. 4 and 9, the first seal member 12 is assembled at the inner position of the second housing portion 1b where the rotating member 5 is disposed, and the third seal member 14 is assembled at the outer position, so that when the cover member 11 is assembled, it is sealed by the first seal member 12 and the third seal member 14. In addition, the cover member 11 is formed with a recess 11b that supports one end of the shaft member L, so that the rotation of the rotating member 5 and the magnet M is permitted while maintaining the sealed state of the second housing portion 1b where the rotating member 5 is disposed.

On the other hand, the operating torque (operating load) when the interlocking member 2 rotates in accordance with the rotational operation of the throttle grip G can be calculated by adding up the operating torque (α1) generated by the first biasing means 3, the operating torque (α2) generated by the resistance force applying means 7, the operating torque (α3) generated by the first seal member 12, and the operating torque (α4) generated by the second seal member 13, as shown in FIG. 13. Note that the graph in FIG. 13 shows the relationship between the operating angle and the operating torque when the first biasing means 3, the resistance force applying means 7, the first seal member 12, and the second seal member 13 are each assembled separately to the throttle grip device.

In the throttle grip device according to this embodiment, the resistance force applying means 7, the first seal member 12, and the second seal member 13 can be selectively attached, and when the interlocking member 2 rotates, the first biasing means 3 and the selectively attached resistance force applying means 7, the first seal member 12, or the second seal member 13 (seal members having different diameters) are configured to generate a predetermined operating torque (a preset desired operating torque).

In other words, the throttle grip device according to this embodiment can generate an operation torque (β1) that is the sum of the operation torques (α1 + α2 + α3 + α4) as shown in FIG. 14 by selectively attaching the resistance force imparting means 7, the first seal member 12, and the second seal member 13 in addition to the first biasing means 3. Also, the throttle grip device according to this embodiment can generate an operation torque (β2) that is the sum of the operation torques (α1 + α2) by selectively attaching the resistance force imparting means 7 in addition to the first biasing means 3.

Furthermore, the throttle grip device according to this embodiment can generate an operation torque (β3) obtained by adding up the operation torques (α1+α3) by selectively attaching the first seal member 12 in addition to the first biasing means 3, and can generate an operation torque (β4) obtained by adding up the operation torques (α1+α4) by selectively attaching the second seal member 13 in addition to the first biasing means 3. Furthermore, the throttle grip device according to this embodiment can generate an operation torque (β5) obtained by adding up the operation torques (α1+α3+α4) by selectively attaching the first seal member 12 and the second seal member 13 in addition to the first biasing means 3.

According to this embodiment, the resistance force applying means 7 that generates sliding resistance when the interlocking member 2 rotates, and the multiple sealing means (first sealing member 12 and second sealing member 13) that seal between the interlocking member 2 and the case 1 at a predetermined position can be selectively attached, and when the interlocking member 2 rotates, a predetermined operating torque is generated by the first biasing means 3 and the selectively attached resistance force applying means 7 or sealing means (first sealing member 12 or second sealing member 13). Therefore, the predetermined operating torque can be easily set according to the requirements of the vehicle, and by selectively attaching the sealing means, a sealing effect can be achieved in addition to the generation of operating torque.

In addition, since the sealing means according to this embodiment is composed of sealing members (first sealing member 12 and second sealing member 13) with different diameters, a predetermined operating torque can be easily set by selectively combining the sealing members. Furthermore, since the resistance force applying means 7 according to this embodiment is composed of a friction member assembled in contact with the sliding surface n formed on the interlocking member 2, any desired sliding resistance can be easily generated to generate an operating torque.

Furthermore, the throttle grip device according to this embodiment includes a cover member 11 that covers the open end N1 of the case 1 and has an opening 11a that allows the engaged portion 2a of the interlocking member 2 to engage with the engaging portion Ga. At least one of the selectively attached sealing means is made of a first sealing member 12 that seals between the interlocking member 2 and the opening 11a of the cover member 11, so that the first sealing member 12 can seal between the interlocking member 2 and the opening 11a of the cover member 11 while setting the operating torque. At least one of the selectively attached sealing means is made of a second sealing member 13 that seals between the interlocking member 2 and the bottom end N2 of the case 1, so that the operating torque can be set while sealing between the interlocking member 2 and the bottom end N2 of the case 1.

In addition, according to this embodiment, the cover member 11 covers the open end N1 of the case 1 and has an opening 11a formed therein for engaging the engaged portion 2a of the interlocking member 2 with the engaging portion Ga. The interlocking member 2 is configured with a cylindrical portion 2e that extends to the bottom end N2 of the case 1. The selectively attached sealing means comprises a first sealing member 12 that seals between the interlocking member 2 and the opening 11a of the cover member 11, and a second sealing member 13 that seals between the cylindrical portion 2e of the interlocking member 2 and the bottom end N2 of the case 1. Therefore, a predetermined operating torque can be generated by the operating torque of the first sealing member 12 and the second sealing member 13.

Although the present embodiment has been described above, the present invention is not limited to this. For example, in this embodiment, the first seal member 12 and the second seal member 13 are made of O-rings with different diameters. Instead, as shown in Figures 15 and 16, a first oil seal 15 that seals between the interlocking member 2 and the opening 11a of the cover member 11, and a second oil seal 16 that seals between the cylindrical portion 2e of the interlocking member 2 and the bottom side end N2 of the case 1 may be used. The second oil seal 16 is prevented from coming off by a retaining member 17. The first seal member 12 and the second seal member 13 may be made of different materials and may have different wire diameters.

Furthermore, the throttle grip device according to this embodiment may be replaced with another sensor (such as a sensor that does not use magnetism) capable of detecting the rotation angle of the throttle grip G instead of the magnetic sensor 9. Furthermore, in this embodiment, when the throttle grip G is rotated in the reverse direction, the constant vehicle speed holding control of the constant vehicle speed holding device (autocruise device) is stopped (cancelled). However, it is sufficient that a predetermined function equipped in the vehicle is activated or deactivated when the rotation of the throttle grip G in the reverse direction is detected, and the throttle grip G may not rotate in the reverse direction (throttle grip G that rotates exclusively forward). Note that the vehicle to which this embodiment is applied is not limited to a two-wheeled vehicle as in this embodiment, and may be applied to other vehicles (such as ATVs and snowmobiles) having a handlebar H. Furthermore, the vehicle to which this embodiment is applied is not limited to a vehicle with an engine as a driving source, and may be a vehicle with an electric motor as a driving source, for example.

As long as the throttle grip device is in line with the spirit of the present invention, it can be applied to devices with different external shapes or devices with added functions.

1 Case 1a First storage portion 1b Second storage portion 1c Third storage portion 1d Stopper portion 1e Locking portion 1f Annular recess 1g Storage recess 1h Mounting recess 2 Interlocking member 2a Engaged portion 2b Storage portion 2c Flange 2d Gear 2e Cylindrical portion 2f Annular wall portion 2g Cutout portion 2h Mounting groove portion 3 First biasing means (torsion coil spring)
4. Second biasing means (coil spring)
5 Rotating member 6 Pressing force selection means 6a Protrusion 6b Spring receiving portion 7 Resistance force applying means 7a Friction member 7b Spring 8 Printed circuit board 9 Magnetic sensor (rotation angle detection means)
10: retaining member 11: cover member 11a: opening 11b: recess 12: first seal member (O-ring)
13 Second seal member (O-ring)
14 Third seal member (gasket)
15 First oil seal 16 Second oil seal 17 Anti-dislodgement member G Throttle grip Ga Engagement portion M Magnet n Sliding surface S Switch case F1 Surface end F2 Pointed end N1 Opening end N2 Bottom end

Claims (6)

A throttle grip that can be rotated by the driver;
an interlocking member having an engaged portion that can be engaged with an engaging portion formed on the throttle grip and that can rotate in conjunction with the throttle grip;
a case having an opening end and a bottom end, the case rotatably holding the interlocking member;
a rotation angle detection means for detecting a rotation angle of the throttle grip by detecting a rotation angle of the interlocking member;
a biasing means for biasing the interlocking member toward an initial position when the throttle grip is rotated;
a throttle grip device capable of controlling a drive source of a vehicle in accordance with a rotation angle of the throttle grip detected by the rotation angle detection means,
A resistance force applying means for applying a sliding resistance when the interlocking member rotates;
a plurality of sealing means for sealing between the interlocking member and the case at predetermined positions;
a resistance force applying means or a sealing means which is selectively attached to the interlocking member when the interlocking member rotates, the resistance force applying means and the sealing means which are selectively attached to the interlocking member generate a predetermined operating torque. The throttle grip device according to claim 1, characterized in that the sealing means is made of sealing members having different diameters. The throttle grip device according to claim 1, characterized in that the resistance force applying means is made of a friction member assembled in contact with a sliding surface formed on the interlocking member. The throttle grip device according to claim 1, characterized in that it includes a cover member that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, and at least one of the selectively attached sealing means is made of a first seal member that seals between the interlocking member and the opening of the cover member. The throttle grip device according to claim 4, characterized in that at least one of the selectively attached sealing means comprises a second sealing member that seals between the interlocking member and the bottom end of the case. The throttle grip device according to claim 1, further comprising a cover member that covers the open end of the case and has an opening formed therein for engaging the engaged portion of the interlocking member with the engaging portion, the interlocking member having a cylindrical portion that extends to the bottom end of the case, and the selectively attached sealing means comprises a first sealing member that seals between the interlocking member and the opening of the cover member, and a second sealing member that seals between the cylindrical portion of the interlocking member and the bottom end of the case.

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