Motorcycle

Abstract

The utility model relates to the technical field of vehicles, and particularly discloses a motorcycle. The motorcycle comprises a motorcycle body assembly, a driving assembly, a walking assembly and a brake device. The brake device comprises a brake main pump, a brake handle and a parking mechanism, the brake main pump is installed on the handle, and the brake main pump is provided with a resisting part. The brake handle is rotatably arranged on the brake main pump and comprises a limiting part; the brake handle has an initial state and a braking state, when the brake handle is in the initial state, the limiting part is close to the resisting part, and when the brake handle is in the braking state, a limiting space is formed between the limiting part and the resisting part. The parking mechanism comprises a limiting assembly and a driving piece, and the driving piece is connected with the limiting assembly and can drive the limiting assembly to move to the limiting space so as to limit the limiting part to be close to the resisting part. The limiting assembly can enable the brake handle to be kept in a braking state, and therefore when a driver loosens the brake handle or is in an unmanned state, the brake device can still maintain braking force.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a motorcycle. Background Art

[0002] The brake master cylinder is part of the brake device and is often used in conjunction with the caliper to complete the service brake function. When the handle of the brake master cylinder is clamped against the vehicle handle by the driver's grip, the force is transmitted to the caliper and converted into braking force based on the lever principle and liquid medium, achieving the deceleration effect.

[0003] However, after the driver loses the operating force, the braking force cannot be maintained. When facing a slope parking, the vehicle cannot remain stationary without anyone in the vehicle. Utility Model Content

[0004] In order to solve the deficiencies of the prior art, the present application provides a motorcycle that is convenient for maintaining braking in an unmanned state.

[0005] The embodiment of the present application provides a motorcycle, including a motorcycle, including: a body assembly, a driving assembly, a traveling assembly and a braking device. The body assembly includes a handle, the driving assembly is arranged on the body assembly, the traveling assembly is connected to the driving assembly, and the driving assembly drives the traveling assembly to move. The braking device is connected to the traveling assembly and is used to brake the traveling assembly. The braking device includes: a brake main pump, a brake handle and a parking mechanism, the brake main pump is installed on the handle, and the brake main pump has a blocking portion. The brake handle is rotatably arranged on the brake main pump, and the brake handle includes a limiting portion; the brake handle has an initial state and a braking state, and can automatically reset from the braking state to the initial state; when the brake handle is in the initial state, the limiting portion is close to the blocking portion, and when the brake handle is in the braking state, a limiting space is formed between the limiting portion and the blocking portion. The parking mechanism includes a limiting assembly and a driving member, the limiting assembly is arranged on the brake main pump, the driving member is connected to the limiting assembly, and can drive the limiting assembly to move to the limiting space to limit the limiting portion from approaching the blocking portion.

[0006] In the above-mentioned motorcycle, the driver manipulates the brake handle to rotate the brake handle to the braking state, so that the brake device can drive the travel component to achieve braking; when the driver releases the brake handle, the brake handle can automatically reset to the initial state to release the brake. When the brake handle is in the braking state, the limit assembly can be moved to the limit space by manipulating the driving member, and the limit assembly can limit the limit part from rotating in the direction close to the blocking part, that is, the limit assembly can limit the brake handle from resetting to the initial state, so that the brake handle remains in the braking state, so that when the driver releases the brake handle or in an unmanned state, the brake device can also maintain the braking force to achieve parking of the motorcycle.

[0007] In at least one embodiment, the limiting assembly includes a gear and a rack, the gear and the rack are meshed, the driving member is connected to the gear, and the rack is driven to move by rotating the driving gear; part of the rack can move to the limiting space.

[0008] In at least one embodiment, the rack includes an engaging portion and a braking portion, and the engaging portion is engaged with the gear; when the brake handle is in a braking state, the braking portion can move to the limiting space.

[0009] In at least one embodiment, the brake master cylinder has a mounting portion, the mounting portion is provided with a guide groove, and the rack is movably arranged in the guide groove.

[0010] In at least one embodiment, the driving member includes a rotating shaft portion and a toggle portion. The rotating shaft portion is passed through the brake master pump, the gear and the brake handle. The brake handle can rotate relative to the rotating shaft portion, and the gear is fixedly connected to the rotating shaft portion. The toggle portion is connected to one end of the rotating shaft portion and is used to drive the rotating shaft portion to rotate.

[0011] In at least one embodiment, the driving member further includes a retaining ring, which is disposed at one end of the rotating shaft portion away from the toggle portion, and is used to limit the gear from falling off the rotating shaft portion.

[0012] In at least one embodiment, the retaining ring has a mounting hole and a mounting notch that are connected, and the mounting notch allows the rotating shaft portion to enter the mounting hole along the radial direction of the mounting hole.

[0013] In at least one embodiment, the brake handle further includes a rotating portion and a handle portion, the rotating portion is located between the limiting portion and the handle portion, the brake handle is rotatably mounted on the brake master cylinder through the rotating portion, and the length of the handle portion is greater than the length of the limiting portion.

[0014] In at least one embodiment, when the brake handle is in the initial state, there is a braking space between the handle portion and the handle; the handle portion is rotated toward the handle to reduce the braking space so that the brake handle is in the braking state.

[0015] In at least one embodiment, a rebound member is provided between the brake handle and the brake master cylinder, and the brake handle is reset from the braking state to the initial state through the rebound member. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope.

[0017] Figure 1 It is a schematic diagram of the overall structure of a motorcycle in one embodiment of the present application.

[0018] Figure 2It is a stereoscopic diagram of a brake device in one embodiment of the present application.

[0019] Figure 3 It is a bottom view of a brake handle of a brake device in an embodiment of the present application when it is in an initial state.

[0020] Figure 4 It is a bottom view of a brake handle of a brake device in one embodiment of the present application when it is in a braking state.

[0021] Figure 5 It is a cross-sectional view of a brake device in one embodiment of the present application.

[0022] Figure 6 It is a three-dimensional diagram of a brake handle in one embodiment of the present application.

[0023] Figure 7 It is an exploded view of the parking mechanism and the brake master cylinder in one embodiment of the present application.

[0024] The following specific implementation methods will further illustrate the present application in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0027] Reference to "embodiment" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0028] Directional words such as “upper”, “lower”, “left”, “right”, “front” and “rear” mentioned herein refer to directions indicated in the drawings.

[0029] The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0030] like Figure 1As shown, an embodiment of the present application provides a motorcycle 100, which includes: a body assembly 10, a drive assembly 20, a travel assembly 30, and a brake device 40. The body assembly 10 includes a handle 11, the drive assembly 20 is disposed on the body assembly 10, the travel assembly 30 is connected to the drive assembly 20, and the drive assembly 20 drives the travel assembly 30 to move. The brake device 40 is connected to the travel assembly 30 and is used to brake the travel assembly 30.

[0031] Exemplarily, the body assembly 10 includes two handlebars 11, namely a left handlebar and a right handlebar, the left handlebar is arranged on the left side of the motorcycle 100, and the right handlebar is arranged on the right side of the motorcycle 100. The brake device 40 is arranged on the left handlebar. In other embodiments, the brake device 40 can also be arranged on the right handlebar.

[0032] See also Figures 2 to 4 In some embodiments, the brake device 40 includes: a brake master pump 41 and a brake handle 42 , and the brake master pump 41 is installed on the handle 11 . Figure 2 The brake device 40 is used to be arranged on the right handle. The brake handle 42 is rotatably arranged on the brake master cylinder 41. The brake handle 42 has an initial state and a braking state, and can automatically reset to the initial state from the braking state. Figure 3 The brake device 40 is in the initial state, Figure 4 The brake device 40 is in the braking state.

[0033] The driver operates the brake handle 42 to rotate it to the braking state, so that the brake device 40 can drive the travel component 30 to achieve braking; when the driver releases the brake handle 42, the brake handle 42 can automatically reset to the initial state to release the brake.

[0034] In some embodiments, a resilient member (not shown) is provided between the brake handle 42 and the brake master cylinder 41, and the brake handle 42 is reset from the braking state to the initial state through the resilient member. Exemplarily, the resilient member is a spring. The elastic reset of the brake handle 42 through the resilient member is a prior art, so it will not be described in detail here.

[0035] After the driver rotates the brake handle 42 to the braking state, the brake handle 42 is subjected to the rebound force of the resilient member, so that the resilient member can automatically reset to the initial state without being affected by other external forces, so as to repeatedly perform braking operations on the brake device 40.

[0036] See also Figures 2 to 4In some embodiments, the brake master cylinder 41 has a resisting portion 411, and the brake handle 42 includes a limiting portion 421. When the brake handle 42 is in the initial state, the limiting portion 421 is close to the resisting portion 411, and when the brake handle 42 is in the braking state, a limiting space 43 is formed between the limiting portion 421 and the resisting portion 411. Among them, "the limiting portion 421 is close to the resisting portion 411" can be understood as: the limiting portion 421 and the resisting portion 411 are against each other, or a gap is formed between the limiting portion 421 and the resisting portion 411, and the gap is smaller than the limiting space 43.

[0037] The brake device 40 also includes a parking mechanism 44, which includes a limit assembly 441 and a driving member 442. The limit assembly 441 is arranged on the brake master pump 41, and the driving member 442 is connected to the limit assembly 441 and can drive the limit assembly 441 to move to the limit space 43 to limit the limit portion 421 from approaching the blocking portion 411.

[0038] When the brake handle 42 is in the braking state, the limit assembly 441 can be moved to the limit space 43 by operating the driving member 442, and the limit assembly 441 can limit the limit portion 421 from rotating in the direction close to the blocking portion 411, that is, the limit assembly 441 can limit the brake handle 42 from resetting to the initial state, so that the brake handle 42 remains in the braking state, so that when the driver releases the brake handle 42 or in an unmanned state, the brake device 40 can also maintain the braking force to achieve parking of the motorcycle 100.

[0039] See also Figures 5 to 7 In some embodiments, the brake handle 42 also includes a rotating portion 422 and a handle portion 423. The rotating portion 422 is located between the limiting portion 421 and the handle portion 423. The brake handle 42 is rotatably mounted on the brake master cylinder 41 through the rotating portion 422. The length of the handle portion 423 is greater than the length of the limiting portion 421.

[0040] When the driver rotates the handle part 423, the handle part 423 is equivalent to the force arm, and the rotating part 422 is the rotation center. The length of the handle part 423 is set to be greater than the length of the limiting part 421, so as to reduce the force required to drive the handle part 423 to rotate, thereby facilitating the driver to control the handle part 423.

[0041] Exemplarily, the brake master cylinder 41 includes a handle seat 412 , which is provided with a through hole 4121 , and the rotating portion 422 has a connecting hole 4221 . The rotating portion 422 and the brake master cylinder 41 are rotationally connected via a rotating shaft portion 4421 passing through the through hole 4121 and the connecting hole 4221 .

[0042] See also Figure 1 , Figure 3 and Figure 4In some embodiments, when the brake handle 42 is in the initial state, there is a brake space 50 between the handle portion 423 and the handle 11; the handle portion 423 reduces the brake space 50 by rotating toward the handle 11, so that the brake handle 42 is in the braking state. The R direction shown in the figure is the rotation direction of the handle portion 423 when the brake device 40 is braking, that is, the direction in which the handle portion 423 approaches the handle 11.

[0043] The setting of the brake space 50 provides an avoidance effect for the brake handle 42 to rotate from the initial state to the braking state, and rotates with the brake handle 42. When the brake handle 42 rotates to the braking state, it can approach the handle 11, which is convenient for the driver to control the braking of the brake device 40 by holding the handle 11 and the brake handle 42.

[0044] It can be understood that the limiting portion 421 is located on the side of the rotating portion 422 away from the handle portion 423. When the brake handle 42 rotates, the rotation direction of the limiting portion 421 remains opposite to the rotation direction of the handle portion 423. Specifically, when the handle portion 423 rotates in the braking direction R, the limiting portion 421 rotates in the opposite direction of the braking direction R, and by rotating in the opposite direction of the braking direction R, it moves away from the blocking portion 411 to form the limiting space 43; when the handle portion 423 rotates in the opposite direction of the braking direction R, the limiting portion 421 rotates in the braking direction R, and by rotating in the braking direction R, it moves closer to the blocking portion 411 to abut against the blocking portion 411.

[0045] When the brake handle 42 is reset, the resilient member applies a force to the handle portion 423 in the opposite direction of the braking direction R. When the brake handle 42 is reset to the point where the limiting portion 421 abuts against the resisting portion 411, the resisting portion 411 applies a force to the limiting portion 421 in the braking direction R, thereby limiting the handle portion 423 from further rotating in the opposite direction of the braking direction R. Under the counterbalancing effect of the resilient member and the resisting portion 411, the stability of the brake handle 42 when it stays in the initial state is improved.

[0046] See also Figure 3 , Figure 4 , Figure 5 and Figure 7 In some embodiments, the limiting assembly 441 includes a gear 4411 and a rack 4412, the gear 4411 is meshed with the rack 4412, the driving member 442 is connected to the gear 4411, and the rack 4412 is driven to move by rotating the driving gear 4411; part of the rack 4412 can move to the limiting space 43.

[0047] When the motorcycle 100 needs to be parked, the brake handle 42 is manipulated to the braking position to form a limiting space 43 between the limiting portion 421 and the resisting portion 411, and then the driving member 442 is driven to make the driving member 442 drive the gear 4411 to rotate, and then the gear 4411 drives the rack 4412 to move, so that part of the rack 4412 moves to the limiting space 43, so as to limit the limiting portion 421 from approaching the resisting portion 411, so that the brake handle 42 maintains the braking of the driving assembly 20.

[0048] See also Figure 3 , Figure 4 , Figure 5 and Figure 7 In some embodiments, the rack 4412 includes a meshing portion 4412a and a braking portion 4412b, and the meshing portion 4412a meshes with the gear 4411; when the brake handle 42 is in the braking state, the braking portion 4412b can move to the limiting space 43.

[0049] When the braking part 4412b is located in the limiting space 43, the two sides of the braking part 4412b are subjected to the force of the limiting part 421 and the resisting part 411, that is, the braking part 4412b is clamped between the limiting part 421 and the resisting part 411 to maintain the existence of the limiting space 43. The meshing part 4412a can be driven by the gear 4411 to drive the braking part 4412b to move by meshing with the gear 4411. This arrangement makes it difficult for the teeth of the meshing part 4412a to move to the limiting space 43 and be subjected to the force of the resisting part 411 or the limiting part 421, so that the teeth of the meshing part 4412a are not easily worn due to the force.

[0050] See also Figure 3 and Figure 4 In some embodiments, the brake master pump 41 has a mounting portion 413, the mounting portion 413 is provided with a guide groove 4131, the rack 4412 is movably arranged in the guide groove 4131, the extension direction of the guide groove 4131 is consistent with the moving direction of the rack 4412, and the moving direction of the rack 4412 is the direction shown by the X-axis in the figure.

[0051] The guide groove 4131 can guide the movement of the rack 4412, thereby limiting the moving direction of the rack 4412 and improving the stability of the movement of the rack 4412 and the accuracy of the moving direction.

[0052] See also Figure 5 and Figure 7In some embodiments, the driving member 442 includes a rotating shaft portion 4421 and a toggle portion 4422. The rotating shaft portion 4421 is penetrated by the brake master pump 41, the gear 4411 and the brake handle 42. The brake handle 42 can rotate relative to the rotating shaft portion 4421. The gear 4411 is fixedly connected to the rotating shaft portion 4421, for example, the gear 4411 and the rotating shaft portion 4421 are interference fit; the toggle portion 4422 is connected to one end of the rotating shaft portion 4421 and is used to drive the rotating shaft portion 4421 to rotate.

[0053] Exemplarily, the brake master cylinder 41 includes a handle seat 412, the handle seat 412 has a clamping opening 4122, and the rotating portion 422 is rotatably located at the clamping opening 4122. The handle seat 412 is provided with a through hole 4121, and the rotating portion 422 has a connecting hole 4221. The rotation shaft portion 4421 is penetrated through the through hole 4121 and the connecting hole 4221 to realize the rotation connection between the brake handle 42 and the brake master cylinder 41.

[0054] The brake handle 42 can rotate relative to the brake main pump 41 and switch between the braking state and the initial state by rotating around the rotating shaft portion 4421. By driving the toggle portion 4422 to rotate, the toggle portion 4422 can drive the gear 4411 to rotate, so that the rack 4412 moves to the limiting space 43, so that the brake handle 42 stays in the braking state. The rotating shaft portion 4421 can not only serve as the rotation center of the brake handle 42, but also realize the driving of the parking mechanism 44, thereby realizing the multifunctionality of the rotating shaft portion 4421, which is conducive to simplifying the structure of the brake device 40.

[0055] See also Figure 5 and Figure 7 In some embodiments, the driving member 442 further includes a retaining ring 4423, which is disposed at one end of the rotating shaft portion 4421 away from the toggle portion 4422, and the retaining ring 4423 is used to limit the gear 4411 from falling off from the rotating shaft portion 4421. Exemplarily, the gear 4411 is disposed on a side of the handle base 412 away from the toggle portion 4422, and the gear 4411 is disposed between the handle base 412 and the gear ring.

[0056] The retaining ring 4423 can cooperate with the toggle part 4422 to limit the handle seat 412 of the brake master cylinder 41, the gear 4411 and the rotating part 422 of the brake handle 42 on the rotating shaft part 4421, thereby ensuring that the handle seat 412, the gear 4411 and the rotating part 422 are limited in the axial direction of the rotating shaft part 4421, thereby reducing the risk of loosening and falling off of various components. The axial direction of the rotating shaft part 4421 is the direction shown by the Z axis in the figure.

[0057] See also Figure 5 and Figure 7In some embodiments, the toggle portion 4422 is located above the handle base 412, and the retaining ring 4423 and the gear 4411 are located below the handle base 412. The upper direction is the direction indicated by the Z axis in the figure, and the lower direction is the opposite direction of the direction indicated by the Z axis in the figure. This arrangement allows the toggle portion 4422 to be located within the driver's line of sight during normal driving, making it easy for the driver to observe and operate the toggle portion 4422.

[0058] See also Figure 7 In some embodiments, the retaining ring 4423 has a connecting mounting hole 4423a and a mounting notch 4423b, and the mounting notch 4423b allows the rotating shaft portion 4421 to enter the mounting hole 4423a along the radial direction of the mounting hole 4423a.

[0059] The shaft portion 4421 can enter the mounting hole 4423a through the mounting notch 4423b, so that the shaft portion 4421 enters the mounting hole 4423a along the radial direction of the mounting hole 4423a, so that the assembly of the retaining ring 4423 is not limited by the length of the shaft portion 4421, which facilitates the assembly of the retaining ring 4423.

[0060] See also Figure 5 and Figure 7 In some embodiments, the retaining ring 4423 is a sheet metal structure having a certain deformation capability. The rotating shaft portion 4421 has a card slot 4421a, and the card slot 4421a is arranged along the outer periphery of the rotating shaft portion 4421. When the retaining ring 4423 is installed, the retaining ring 4423 expands the installation gap 4423b by deformation, so that the rotating shaft portion 4421 can be installed into the installation hole 4423a from the installation gap 4423b. After the rotating shaft portion 4421 enters the installation hole 4423a, the retaining ring 4423 is deformed and inserted into the card slot 4421a, so that the retaining ring 4423 is fixed to the rotating shaft portion 4421 and is not easy to fall off the rotating shaft portion 4421.

[0061] In some embodiments, the travel assembly 30 includes a front wheel 31 and a rear wheel 32, which are arranged on the body assembly 10, and the rear wheel 32 is provided with a brake disc (not shown), and the brake main pump 41 is connected to the brake disc through a caliper (not shown). When the brake device 40 brakes, the brake main pump 41 drives the caliper to clamp the brake disc to generate a braking force to achieve braking of the rear wheel 32, thereby achieving braking of the entire vehicle.

[0062] See also Figure 1 , Figure 3 and Figure 4In some embodiments, when the motorcycle 100 needs to slow down or stop during driving, the driver rotates the brake handle 42 toward the handle 11. In actual operation, the driver can brake the motorcycle 100 by gripping the handle 11 and the brake handle 42. When the motorcycle 100 stops and needs to be parked without anyone, the toggle part 4422 is rotated so that the toggle part 4422 drives the gear 4411 to rotate, and the gear 4411 drives the rack 4412 to move to the limit space 43 to limit the rebound of the brake handle 42, so that the motorcycle 100 can maintain the brake, thereby improving the parking safety and stability.

[0063] In addition, those skilled in the art may also make other changes in the present application. Of course, these changes made based on the present application should be included in the scope disclosed in the present application.

Claims

1. A motorcycle, comprising: a body assembly, the body assembly comprising a handle; A drive assembly, the drive assembly being arranged on the vehicle body assembly; A walking assembly, wherein the walking assembly is connected to the driving assembly, and the driving assembly drives the walking assembly to move; A brake device, the brake device is connected to the travel assembly and is used to brake the travel assembly; Characterized in that the braking device comprises: A brake master pump, the brake master pump is installed on the handle, and the brake master pump has a resisting portion; A brake handle, the brake handle is rotatably arranged on the brake master cylinder, the brake handle comprises a limiting portion; the brake handle has an initial state and a braking state, and can automatically reset from the braking state to the initial state; when the brake handle is in the initial state, the limiting portion is close to the resisting portion, and when the brake handle is in the braking state, a limiting space is formed between the limiting portion and the resisting portion; The parking mechanism includes a limit assembly and a driving member, wherein the limit assembly is arranged on the brake master pump, and the driving member is connected to the limit assembly and can drive the limit assembly to move to the limit space to limit the limit portion from approaching the blocking portion.

2. The motorcycle according to claim 1, characterized in that: The limiting assembly includes a gear and a rack, the gear is meshed with the rack, the driving member is connected to the gear, and drives the rack to move by driving the gear to rotate; part of the rack can move to the limiting space.

3. The motorcycle according to claim 2, characterized in that: The rack includes an engaging portion and a braking portion, and the engaging portion is engaged with the gear; when the brake handle is in the braking state, the braking portion can move to the limiting space.

4. The motorcycle according to claim 2, characterized in that: The brake master cylinder has a mounting portion, the mounting portion is provided with a guide groove, and the rack is movably arranged in the guide groove.

5. The motorcycle according to claim 2, characterized in that: The driving member includes a rotating shaft portion and a toggle portion. The rotating shaft portion is passed through the brake master pump, the gear and the brake handle. The brake handle can rotate relative to the rotating shaft portion. The gear is fixedly connected to the rotating shaft portion. The toggle portion is connected to one end of the rotating shaft portion and is used to drive the rotating shaft portion to rotate.

6. The motorcycle according to claim 5, characterized in that: The driving member further comprises a retaining ring, which is arranged at one end of the rotating shaft portion away from the shifting portion, and is used to limit the gear from falling off from the rotating shaft portion.

7. The motorcycle according to claim 6, characterized in that: The retaining ring has a connecting mounting hole and a mounting notch, and the mounting notch allows the rotating shaft to enter the mounting hole along the radial direction of the mounting hole.

8. The motorcycle according to any one of claims 1 to 7, characterized in that: The brake handle also includes a rotating portion and a handle portion, the rotating portion is located between the limiting portion and the handle portion, the brake handle is rotatably mounted on the brake master pump via the rotating portion, and the length of the handle portion is greater than the length of the limiting portion.

9. The motorcycle according to claim 8, characterized in that: When the brake handle is in the initial state, a braking space is provided between the handle portion and the handle; the handle portion reduces the braking space by rotating toward the handle, so that the brake handle is in the braking state.

10. The motorcycle according to any one of claims 1 to 7, characterized in that: A rebound member is provided between the brake handle and the brake master cylinder, and the brake handle is reset from the braking state to the initial state through the rebound member.

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