CN115812372A - Mower switching mechanism - Google Patents

Abstract

The invention provides a mower switching mechanism which comprises a support, wherein a rotating assembly is arranged on the support, and a first rotating unit and a second rotating unit are connected to the rotating assembly; the left end of the rotating assembly is connected with a signal conversion unit; the support comprises a bottom plate, a first support plate and a second support plate, wherein the first support plate and the second support plate are arranged on the bottom plate in parallel; the rotating assembly is supported on the first support plate and the second support plate; the signal conversion unit is positioned on the left side of the first supporting plate and connected to the end part of the left end of the rotating assembly; the second rotating unit is positioned on the right side of the second support plate and connected to the end part of the right end of the rotating assembly; the first rotating unit is located between the first support plate and the second support plate. In the application, the whole structure is simple, and the device is arranged on the rack, so that the reliability is high in operation; meanwhile, the forward movement and the backward movement are converted into the rotation amplitude of the same rotating shaft, so that the forward movement and the backward movement of the riding type mower are controlled, and the integral reliability is high.

Description

Mower switching mechanism

Technical Field

The invention relates to the technical field of riding mowers, in particular to a riding mower switching mechanism.

Background

The riding mower is a small mechanical device which can be driven by a single person, and is suitable for working places such as lawn repair and vegetation trimming. Under the influence of environment particularity and complexity of operation terrain, a user may need working conditions of forward and backward conversion in different directions in the actual use process.

The prior chinese patent 201810595487.0 discloses a riding mower which switches between a parked state and an unparked state by providing a parking system; the parking system comprises a link mechanism, a gearbox and the like; the parking system controls the gearbox through the link mechanism to realize braking. The overall structure is complicated, resulting in an increase in the cost of the riding mower.

Chinese utility model patent CN202023151182.2 also discloses a ride type garden instrument, and it specifically discloses that the footboard connects the accelerator through the pivot, and the accelerator is connected with control assembly, utilizes control assembly to control the steering of ride type garden instrument, and this kind of structure is simple relatively, but it is poor because of being connected the reliability between footboard and the pivot in service, when leading to feeding back to control assembly again through the accelerator, its reliability is lower.

Therefore, a need exists for a simple, safe and reliable converter that will overcome the above-mentioned problems.

Disclosure of Invention

The invention aims to at least solve the technical problems in the prior art and provides a switching mechanism which is simple in structure, safe and reliable and can be applied to steering of a riding mower.

In order to achieve the purpose, the invention provides a mower conversion mechanism which comprises a support, wherein a rotating assembly is arranged on the support, and a first rotating unit and a second rotating unit are connected to the rotating assembly; the left end of the rotating assembly is connected with a signal conversion unit; the support comprises a bottom plate, and a first support plate and a second support plate which are arranged on the bottom plate in parallel.

The rotating assembly is supported on the first support plate and the second support plate; the signal conversion unit is positioned on the left side of the first supporting plate and connected to the end part of the left end of the rotating assembly; the second rotating unit is positioned on the right side of the second support plate and connected to the end part of the right end of the rotating assembly; the first rotating unit is located between the first support plate and the second support plate.

Further, the first rotating unit comprises a first pedal, a first support arm and a first connecting plate which are connected in sequence; wherein first connecting plate fixedly connected with first adapter sleeve, first adapter sleeve is fixed in the runner assembly outside.

Furthermore, the connecting device also comprises a first limiting part, wherein the first limiting part comprises a first limiting groove arranged at the top of the first support plate and/or the second support plate and a first limiting rod arranged at the end part of the first connecting plate; the first limiting rod is matched with the first limiting groove.

Furthermore, the connecting device also comprises a second limiting part, wherein the second limiting part comprises a second limiting groove arranged in the middle of the first support plate or the second support plate, and a second limiting rod arranged at the bottom of the first connecting plate; the second limiting rod is matched with the second limiting groove.

Furthermore, the second limiting rod is further sleeved with a first spring.

Furthermore, the bottom of the first connecting plate is also provided with a second spring, and the other end of the second spring is connected with the bottom plate.

Furthermore, the second rotating unit comprises a second pedal, a second support arm and a second connecting sleeve which are connected in sequence, and the second connecting sleeve is fixed on the outer side of the rotating assembly.

Further, the rotating assembly further comprises a second shaft sleeve which is sleeved outside the rotating assembly.

When this application is at concrete use, lawn mower shifter, including the support, wherein the support adopts frame construction, including the bottom plate to and parallel arrangement's first extension board and second extension board on the bottom plate. Other parts of this application structure are supported through the support, and this application structure also is connected in the frame of riding lawn mower through the support simultaneously. A rotating assembly is arranged on the support, wherein the rotating assembly can comprise a rotating shaft; the first support plate and the second support plate are provided with openings, the rotating assembly is sleeved on the two support plates, and therefore the rotating assembly and other parts of the support form a frame type structure, and the stability of the whole structure is improved.

The first rotating unit and the second rotating unit are fixedly connected to the rotating shaft, wherein the first rotating unit is used for controlling the riding type mower to advance or stop; the second rotating unit is used for controlling the riding mower to move backwards or stop; specifically, when the first rotating unit is operated, the rotating shaft is driven to rotate, and then the signal converting unit is connected with the tail end of the rotating shaft; similarly, when the second rotating unit is operated, the rotating shaft can be driven to rotate, and the angle sensor converts the rotating angle of the rotating shaft into a corresponding electric signal so as to control the backward movement and the backward movement speed of the riding type mower.

In the application, the whole structure is simple, and the device is arranged on the rack, so that the reliability is high in operation; meanwhile, the forward movement and the backward movement are converted into the rotation amplitude of the same rotating shaft, so that the forward movement and the backward movement of the riding type mower are controlled, and the integral reliability is high.

Drawings

FIG. 1 is a schematic view of a first perspective of a mower switching mechanism of the present invention;

FIG. 2 is a second perspective view of the mower conversion mechanism of the present invention;

FIG. 3 is a third perspective view of the mower conversion mechanism of the present invention;

FIG. 4 is an exploded view of the mower conversion mechanism of the present invention;

FIG. 5 is a schematic view of a first perspective of a mower shifter mechanism mount of the present invention;

FIG. 6 is a schematic view of a first support plate of the switching mechanism of the mower of the present invention;

reference numerals:

the device comprises a 100 support, a 110 bottom plate, a 120 first support plate, a 121 first limit groove, a 122 second limit groove, a 130 second support plate, a 200 first rotating unit, a 201 first pedal, a 202 first support arm, a 210 first connecting plate, a 211 first connecting sleeve, a 212 first limit rod, a 213 second limit rod, a 221 first spring, a 222 second spring, a 300 second rotating unit, a 301 second pedal, a 302 second support arm, a 310 second connecting sleeve, a 410 rotating component, a 420 signal converting unit, a 430 second shaft sleeve and a 500 machine frame.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 6, the present invention provides a mower switching mechanism, which comprises a support 100, wherein a rotating assembly 410 is arranged on the support 100, and a first rotating unit 200 and a second rotating unit 300 are further connected to the rotating assembly 410; the left end of the rotating assembly 410 is connected with a signal conversion unit 420; the support 100 comprises a base plate 110, and a first support plate 120 and a second support plate 130 which are arranged on the base plate 110 in parallel; the rotating assembly 410 is supported on the first plate 120 and the second plate 130; the signal conversion unit 420 is located at the left side of the first support 120 and connected to the left end of the rotating assembly 410; the second rotating unit 300 is positioned at the right side of the second support plate 130 and connected to the right end of the rotating assembly 410; the first rotation unit 200 is located between the first plate 120 and the second plate 130.

In the present application, the support 100 may be a frame structure, and may be welded by different plates. Comprises a bottom plate 110, and a first support plate 120 and a second support plate 130 which are arranged on the bottom plate 110 in parallel. Other components of the structure of the present application are supported by the support 100, and the structure of the present application is also connected to the frame 500 of the riding mower by the support 100; as shown in the drawings, a threaded coupling hole is formed in the bottom plate 110 of the base 100, through which the structure of the present invention can be fixed to the mower frame 500, thereby improving the operational reliability. A rotating assembly 410 is disposed on the support 100, wherein the rotating assembly 410 may include a rotating shaft; openings are formed in the first support plate 120 and the second support plate 130, and the rotating assembly 410 is sleeved on the two support plates, so that the rotating assembly and other components of the support 100 form a frame type structure, and the stability of the whole structure can also be improved.

A first rotating unit 200 and a second rotating unit 300 are fixedly connected on the rotating shaft through screws or other prior art methods, wherein the first rotating unit 200 is used for controlling the advancing or stopping of the riding mower; the second rotating unit 300 is used for controlling the backward movement or stop of the riding mower; specifically, when the first rotating unit 200 is operated, the rotating shaft is driven to rotate, and further, the signal converting unit 420 connected to the end of the rotating shaft is used, in the present application, the signal converting unit 420 can select an angle sensor, that is, the rotating angle of the rotating shaft can be converted into a corresponding electrical signal through the angle sensor, so as to control the advancing speed of the riding mower; similarly, when the second rotating unit 300 is operated, the rotating shaft can be driven to rotate, and the angle sensor converts the rotating angle of the rotating shaft into a corresponding electric signal, so as to control the backward movement and the backward movement speed of the riding mower.

In the present application, the overall structure is simple, and the arrangement thereof on the frame 500 is highly reliable in operation; meanwhile, the forward and backward movements are converted into the rotating amplitude of the same rotating shaft, so that the forward and backward movements of the riding type mower are controlled, and the integral reliability is high.

In the present application, the first rotating unit 200 and/or the second rotating unit 300 may be of a pedal-like structure, and specifically, as shown in the drawings, the first rotating unit 200 includes a first pedal 201, a first arm 202 and a first connecting plate 210 connected in sequence; wherein the first connecting plate 210 is fixedly connected with a first connecting sleeve 211, and the first connecting sleeve 211 is fixed outside the rotating assembly 410. The first support arm 202 can be formed by bending a section bar, one end of the first support arm 202 is fixedly connected with a first pedal 201 through a screw, and the first pedal 201 can be plate-shaped or strip-shaped; the other end of the first arm 202 is fixedly connected above the first connecting plate 210 by welding. The first connecting plate 210 is further connected with a first connecting sleeve 211 through fixed connection modes such as welding, the first connecting sleeve 211 is sleeved on the outer side of the rotating assembly 410, and the first connecting sleeve 211 and the rotating assembly 410 are relatively fixed through screws. Therefore, when the operator steps on the first pedal 201, as can be seen from the attached drawings, the first pedal 201 drives the first connecting plate 210 to rotate clockwise through the first support arm 202, and at this time, the rotating component 410 is driven to rotate clockwise, and since the left end of the rotating component 410 is connected with the signal converting unit 420, the signal converting unit 420 is driven to select clockwise. In the present application, the signal conversion unit 420 may select an angle sensor in the prior art; when the rotating component 410 rotates, the angle sensor is also driven to rotate in the same direction, and the angle sensor converts a rotating angle signal into a corresponding electric signal; the electric signals are fed back to a control center of the riding mower, so that the advancing and advancing speeds of the riding mower are controlled. For example, when the angle sensor rotates, the control center sends a command at the moment, and the riding mower starts to walk forwards; the control center can control the riding mower to walk forward at a higher speed as the rotation amplitude of the angle sensor is larger.

In this application, the first connection plate 210 is fixedly connected with a first connection sleeve 211, and the first connection sleeve 211 is fixed outside the rotating assembly 410. In an implementation, the first connection sleeve 211 may be a pipe sleeve structure, which is sleeved outside the rotating assembly 410, and then may be locked by a locking screw, that is, the relative positions of the first connection sleeve 211 and the rotating assembly 410 are fixed. By adding the first connecting sleeve 211 in a pipe sleeve type structure, the contact area between the first rotating unit 200 and the rotating assembly 410 is increased, the stability of the first rotating unit 200 in the force transmission process is improved, the continuity of the rotating process of the rotating assembly 410 when an operator steps on the first pedal 201 is also improved, and the running reliability of the riding type mower is further improved.

Further, in another embodiment of the present application, the present invention further includes a first position-limiting portion, which includes a first position-limiting groove 121 disposed on the top of the first support plate 120 and/or the second support plate 130, and a first position-limiting rod 212 disposed at an end of the first connecting plate 210; the first limiting rod 212 is matched with the first limiting groove 121. As shown in the drawings, a first limiting groove 121 is disposed at the top of the first supporting plate 120, and a first limiting rod 212 is welded to the left end surface of the first connecting plate 210, wherein the end of the first limiting rod 212 extends into the first limiting groove 121. When an operator steps on the first pedal 201 to drive the first connecting plate 210 to rotate, the first limiting rod 212 also rotates along with the first connecting plate 210, the first limiting groove 121 can limit the rotation range of the first limiting rod 212, and the first connecting plate 210 can limit the rotation range of the rotating assembly 410, so as to improve the safety of the first rotating unit 200 in use. In other embodiments of the present application, the first groove may limit the rotation amplitude of the first limiting rod 212, and may further guide the rotation track of the first connecting plate 210 by setting a corresponding shape of the first groove, for example, by using a circular arc-shaped first groove, so as to assist in improving the stability of the rotating assembly 410 in the rotating process, and improve the reliability of the structure of the present application.

In other embodiments of the present application, a first limiting groove 121 may be optionally disposed on the top of the first supporting plate 120; similarly, a first limiting groove 121 can be optionally formed in the top of the second support plate 130, and a first limiting rod 212 is welded to the right side of the first connecting plate 210, so that the first limiting groove 121 is matched with the top of the second support plate 130; the first limiting grooves 121 can be formed in the tops of the first support plate 120 and the second support plate 130, and the first limiting rods 212 are arranged on two sides of the first connecting plate 210, so that the stability and the reliability of the structure are better.

Further, in other embodiments of the present application, the second position-limiting portion includes a second position-limiting groove 122 disposed in the middle of the first support plate 120 or the second support plate 130, and a second position-limiting rod 213 disposed at the bottom of the first connection plate 210; the second limiting rod 213 is matched with the second limiting groove 122. As shown in the drawings, in order to further limit the rotation range of the first connecting plate 210, the bottom of the first connecting plate 210 may be connected with a second limiting rod 213 by welding, a second limiting groove 122 is disposed in the middle of the first supporting plate 120 corresponding to the second limiting rod 213, or a second limiting groove 122 is disposed in the middle of the second supporting plate 130 corresponding to the second limiting rod 213, the rotation range of the first connecting plate 210 can be guided by the second limiting groove 122, and the reliability and stability of the structure of the present application in rotation are further improved.

Furthermore, in other embodiments of the present application, the second limiting rod 213 is further sleeved with a first spring 221. In order to allow the first connecting plate 210 to bring the rotating assembly 410 back to the original position after the operator releases the pressing of the first pedal 201. In the application, a first spring 221, such as a coil spring, can be sleeved on the second limiting rod 213, and when an operator steps on the first pedal 201, the first connecting plate 210 drives the rotating part to rotate clockwise, and the coil spring is pressed to play a role in energy storage; when the first pedal 201 is released, the coil spring is released, so as to drive the first connecting plate 210 and the rotating component 410 to rotate counterclockwise and return to the original position, thereby achieving the effect of assisting the first connecting plate 210 to return. In other embodiments of the present application, the second limiting groove 122 may be configured as a crescent structure, and a ball head is mounted at the front end of the second limiting rod 213, wherein the ball head is clamped in the second limiting groove 122 and slides along the second limiting groove 122 during the rotation of the first connecting plate 210; through setting up bulb portion and crescent second spacing groove 122 complex structure, can let first connecting plate 210 rotate the process more steady, simultaneously because of crescent second spacing groove 122's both ends are less, when combining first spring 221, can be better play supplementary effect that resets.

Further, in other embodiments of the present application, the first connecting plate 210 is further provided with a second spring 222 at the bottom, and the other end of the second spring 222 is connected to the bottom plate 110. In order to improve the reset effect of the first connection plate 210 after rotation, the second spring 222 may be used to assist reset, specifically, as shown in the drawing, one end of the second spring 222 is connected to the upper portion of the bottom plate 110, and the other end is connected to the first connection plate 210 in a hanging manner, specifically, the second spring 222 may be directly connected to the first connection plate 210 in a hanging manner, or may be connected to the second limiting rod 213 fixedly connected to the first connection plate 210 in a hanging manner; when the first pedal 201 is stepped on, the first connecting plate 210 rotates, and the second spring 222 is in a pulled state; after the first pedal 201 is released from being stepped on, the second spring 222 returns to the free state, and drives the first connecting plate 210 to return to the original position, so that the effect of assisting the first connecting plate 210 to return can be achieved. In other embodiments of the present application, the first spring 221 may be selected to be installed separately, the second spring 222 may be installed separately, or both of them may be installed.

Further, in other embodiments of the present application, a second rotating unit 300 for controlling the backward movement of the riding mower is further included, wherein the second rotating unit 300 includes a second pedal 301, a second arm 302 and a second connecting sleeve 310 connected in sequence, and the second connecting sleeve 310 is fixed outside the rotating assembly 410. In a specific implementation, the second arm 302 may also be formed by bending a profile, such as by bending a bar material, or by bending a plate material; the second pedal 301 can be of a plate-shaped structure and is fixedly arranged at one end of the second support arm 302 in the existing connection mode such as welding; the other end of the second arm 302 is disposed outside of the rotating assembly 410, e.g., may be welded or threaded to the right end of the rotating member; in the present application, by fixing the second rotating unit 300 at the right end of the rotating member, when the operator steps on the second pedal 301, the rotating member 410 is also driven to rotate, and the signal converting unit 420 is driven to rotate, at this time, the signal converting unit 420 converts the rotation angle into an electrical signal and sends the electrical signal to the control center of the riding mower, so as to control the backward movement of the riding mower and control the backward movement speed. In other embodiments of the present application, a second connection sleeve 310 is further integrally connected or connected by welding at the end of the second arm 302, the second connection sleeve 310 is sleeved outside the rotating component 410, and then the positions of the second connection sleeve 310 and the rotating component 410 are relatively fixed by screws. As described above, by providing the second connection sleeve 310, the contact area between the second rotating unit 300 and the rotating assembly 410 can also be increased, so as to improve the reliability and the smoothness of the backward movement of the riding mower when the operator steps on the second pedal 301.

In the present application, the first rotating unit 200 and the second rotating unit 300 are integrated on the rotating assembly 410, so that the overall structure is compact, especially the rotating assembly 410 and the support 100 form a frame-type structure, and the signal converting unit 420 is located at the left side of the first supporting plate 120 and connected to the left end of the rotating assembly 410; the second rotating unit 300 is positioned at the right side of the second support plate 130 and connected to the right end of the rotating assembly 410; the first rotation unit 200 is located between the first plate 120 and the second plate 130; the arrangement not only makes the whole structure compact and reliable, but also keeps enough space, and is convenient for operators to operate. Furthermore, on the basis, for the first rotating unit 200 which is closer to the signal converting unit 420, the first arm 202 is formed by bending a rod-shaped section bar, and the first pedal 201 is also formed by selecting the rod-shaped section bar, so that the space can be saved; for the second rotating unit 300 far away from the signal converting unit 420, the second support arm 302 is formed by bending a plate-shaped section bar, and the second pedal 301 is also formed by bending a plate-shaped section bar, so that the rotating reliability is improved; the overall structure layout is compact, and the reliability is high; meanwhile, the main components of the first rotating unit 200 and the second rotating unit 300 are made of different section bars, so that the sections can be distinguished by operators conveniently, and the possibility of misoperation is reduced.

Further, in other embodiments of the present application, a second bushing 430 is further included, and the second bushing 430 is sleeved outside the rotating assembly 410. As shown in the drawings, a second shaft sleeve 430 is further provided, and the second shaft sleeve 430 is sleeved outside the rotating assembly 410 and fixed to the right side of the second support plate 130 through a screw. By providing the second bushing 430, the rotating assembly 410 is further supported, thereby improving the stability of the rotating assembly 410 during the rotation process.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A mower switching mechanism is characterized by comprising a support (100), wherein a rotating assembly (410) is arranged on the support (100), and a first rotating unit (200) and a second rotating unit (300) are further connected to the rotating assembly (410); the left end of the rotating component (410) is connected with a signal conversion unit (420); the support (100) comprises a bottom plate (110), and a first support plate (120) and a second support plate (130) which are arranged on the bottom plate (110) in parallel; the rotating assembly (410) is supported on the first support plate (120) and the second support plate (130); the signal conversion unit (420) is positioned on the left side of the first supporting plate (120) and connected to the end part of the left end of the rotating assembly (410); the second rotating unit (300) is positioned on the right side of the second support plate (130) and is connected to the right end part of the rotating assembly (410); the first rotation unit (200) is located between the first support plate (120) and the second support plate (130).

2. Mower conversion mechanism according to claim 1, characterized in that said first rotary unit (200) comprises a first pedal (201), a first arm (202) and a first connection plate (210) connected in sequence; wherein the first connecting plate (210) is fixedly connected with a first connecting sleeve (211), and the first connecting sleeve (211) is fixed at the outer side of the rotating component (410).

3. The mower switching mechanism of claim 2 further comprising a first limit stop comprising a first limit groove (121) disposed at the top of the first bracket (120) and/or the second bracket (130), and further comprising a first limit post (212) disposed at the end of the first link plate (210); the first limiting rod (212) is matched with the first limiting groove (121).

4. The mower switching mechanism according to claim 2 or 3 further comprising a second limiting portion comprising a second limiting groove (122) disposed in a middle portion of the first bracket (120) or the second bracket (130), and further comprising a second limiting rod (213) disposed at a bottom portion of the first connecting plate (210); the second limiting rod (213) is matched with the second limiting groove (122).

5. A mower conversion mechanism as claimed in claim 4 wherein said second restraint bar (213) is further sleeved with a first spring (221).

6. The mower conversion mechanism according to claim 2, 3 or 5, characterized in that the bottom of the first connecting plate (210) is further provided with a second spring (222), and the other end of the second spring (222) is connected with the bottom plate (110).

7. Mower conversion mechanism according to claim 1, 2, 3 or 5, characterized in that the second rotary unit (300) comprises a second pedal (301) and a second arm (302) connected in series.

8. Mower conversion mechanism according to claim 6, characterized in that the second rotary unit (300) comprises a second pedal (301) and a second arm (302) connected in series.

9. The mower switching mechanism as claimed in claim 7, wherein a second connecting sleeve (310) is further connected to the end of the second arm (302), and the second connecting sleeve (310) is fixed to the outside of the rotating member (410).

10. A mower conversion mechanism as claimed in claim 1, 2, 3, 5, 8 or 9 further comprising a second hub (430), wherein the second hub (430) is journalled outside the rotating assembly (410).

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