Manual stepless speed change control mechanism of riding type mowing vehicle

Abstract

The invention discloses a manual stepless speed change control mechanism of a riding type mowing vehicle, and the mechanism comprises an operating rod which is used for being manually controlled by a user and is provided with a forward gear, a backward gear and a neutral gear; the control pull rod is in linkage fit with the operation of the operating rod and is used for transmitting operating force to a rear axle module of the mowing vehicle; the return block is fixedly connected with the operating rod, and the return block and the control pull rod rotate together; the matching plate is coaxially connected with the return block, a plurality of bosses are arranged on one side of the matching plate along the circumference of the axis in an array mode, and a plurality of balls matched with the bosses at the backward gear are arranged between the matching plate and the return block; the return pressure spring is compressed at the reverse gear and pushes the operating rod to return to the neutral gear; the damping component is matched with the matching plate and the return block, so that the damping component can generate damping force at the forward gear; and the brake structure is used for resetting the operating rod to the neutral gear.

Description

Technical Field

[0001] This application relates to the field of lawnmower technology, and in particular to a manual continuously variable transmission (CVT) control mechanism for a ride-on lawnmower. Background Technology

[0002] As an excellent gardening tool, the control of a ride-on lawnmower is often directly connected to the pedals on the lawnmower, with the two pedals corresponding to the accelerator and brake respectively. However, for some users with mobility impairments, the continuous pressure on the accelerator by the feet puts a heavy burden on the feet. Therefore, the purpose of this application is to provide a control mechanism that does not rely on foot pressure and can ensure continuously variable transmission and manual operation.

[0003] The above content is only used to help understand the technical solution of this application and does not represent an admission that the above content is the closest prior art to this application. Summary of the Invention

[0004] Based on this, this application provides a manual continuously variable transmission control mechanism for a ride-on lawnmower to solve one of the aforementioned technical problems.

[0005] The technical solution adopted by this application to solve its technical problem is a manual continuously variable transmission (CVT) control mechanism for a ride-on lawnmower, comprising: a control lever for manual control by the user, having three gears: forward, reverse, and neutral; a control lever, which operates in conjunction with the control lever and transmits operating force to the rear axle module of the lawnmower; a return block, fixedly connected to the control lever, which rotates together with the control lever; a mating plate, coaxially connected to the return block, having several bosses arranged along the circumference of one side of the mating plate, and having several ball bearings that engage with the bosses when in reverse gear; a return spring, which is compressed when in reverse gear, pushing the control lever back to neutral; a damping component, which cooperates with the mating plate and the return block to generate damping force when in forward gear; and a brake structure for returning the control lever to neutral.

[0006] In some embodiments, the damping component is a damping block, which is fixedly disposed on one side of the return block and, when in the forward gear, attaches to the mating plate and provides damping.

[0007] In some embodiments, the outer edge of the return block is provided with three lugs, and a ball groove is formed in the lug, with the ball placed in the ball groove.

[0008] In some embodiments, the brake structure includes a mounting plate, a cable, and a torsion spring. The mounting plate is coaxially connected to the return block and the control plate. The cable is connected to the mounting plate, and the torsion spring is connected to the mounting plate and the mating plate respectively.

[0009] In some embodiments, the mounting plate is bent along the axial direction toward the return block to form a limiting block, and the limiting block can drive the lug to rotate and reset as the mounting plate rotates.

[0010] In some embodiments, the boss of the mating plate is triangular in shape. When the ball is displaced onto the boss, it will naturally roll off the boss without the influence of external force, so that the operating lever is reset to neutral.

[0011] In some embodiments, the operating lever includes a lever body, a swing arm, a connecting block, and a connecting plate. The connecting block is used to be fixedly connected to a return block. The swing arm is movably disposed on the connecting block. The lever body is connected to the swing arm. The connecting plate is installed above the connecting block and is used to connect a control lever.

[0012] In some embodiments, a gear plate is further included, wherein a gear slot is provided on the gear plate, and the rod is constrained within the gear slot.

[0013] The beneficial effects of this application are as follows: the movement of the operating lever causes the control lever to rotate synchronously, transmitting the operating force to the rear axle of the lawnmower, so that the movement of the operating lever can achieve the effect of operating speed; the damping component can stop the operating lever at any position in the forward gear, achieving the effect of stepless speed change; the cooperation between the ball and the boss can make the reverse gear automatically spring back to neutral, ensuring the safe operation of the ride-on lawnmower. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is the first three-dimensional structural schematic diagram of this application.

[0016] Figure 2 This is a second three-dimensional structural schematic diagram of this application.

[0017] Figure 3 This is a schematic diagram of the exploded structure of this application.

[0018] Figure 4 This is a schematic diagram of the return block structure of this application.

[0019] Explanation of reference numerals: 1. Operating lever; 11. Lever body; 12. Swing arm; 13. Connecting block; 14. Connecting plate; 2. Control lever; 3. Return block; 31. Lug; 311. Ball groove; 32. Ball; 4. Mating plate; 41. Boss; 5. Return spring; 6. Damping component; 7. Brake structure; 71. Hanging plate; 711. Limit block; 72. Cable; 73. Torsion spring; 8. Gear plate; 81. Gear slot. Detailed Implementation

[0020] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application. In addition, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those of ordinary skill in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection of this application.

[0021] In the embodiments of this application, please refer to Figure 1-4 As shown, this application provides a manual continuously variable transmission (CVT) control mechanism for a ride-on lawnmower, mainly comprising: an operating lever 1 for manual control by the user, having three gears: forward, reverse, and neutral; a control lever 2, which operates in conjunction with the operating lever 1 and transmits operating force to the rear axle module of the lawnmower; a return block 3, fixedly connected to the operating lever 1, which rotates together with the control lever 2; a mating plate 4, coaxially connected to the return block 3, having several bosses 41 arranged along the circumference of one side of the mating plate 4, and having several ball bearings 32 that engage with the bosses 41 when in reverse gear; a return spring 5, which is compressed when in reverse gear, pushing the operating lever 1 back to neutral; a damping component 6, which cooperates with the mating plate 4 and the return block 3 to generate damping force when in forward gear; and a brake structure 7 for returning the operating lever 1 back to neutral.

[0022] The three gear positions are as follows: In the initial state, the operating lever 1 is in neutral, and the vehicle has no power output; pushing the operating lever 1 forward enters the forward gear position, the damping component 6 generates damping force to fix the position of the operating lever 1, and the control lever 2 transmits power to the rear axle, allowing the vehicle to move forward with stepless speed regulation. Releasing the operating lever 1 will still maintain the current gear and vehicle speed without the need for continuous force; pulling the operating lever 1 backward enters the reverse gear position, the ball bearing 32 cooperates with the boss 41, the return spring 5 is compressed and stored, the vehicle reverses, and after releasing the operating lever 1, it automatically springs back to neutral; when the brake structure 7 is triggered, the operating lever 1 is forcibly reset to neutral, and the vehicle stops.

[0023] The following will continue to describe some preferred / improved embodiments based on the above embodiments. Any one of the following embodiments can be selected, or multiple embodiments can be combined.

[0024] Specifically, the damping component 6 is a damping block. The damping component 6 is fixedly installed on one side of the return block 3 and is in contact with the mating plate 4 when in the forward gear position to provide damping. When the operating lever 1 is turned to the forward gear position, the return block 3 rotates with the operating lever 1, and the damping block rotates synchronously with the return block 3 and is tightly in contact with the end face of the mating plate 4, generating sliding friction between the two. The damping block is made of wear-resistant rubber or load-bearing damping material and is fixedly installed on the end face of the return block 3 facing the mating plate 4 by adhesive or bolts, and its diameter is smaller than the area where the boss 41 is located.

[0025] Reference Figure 4 As shown, the outer edge of the return block 3 is provided with three lugs 31, and a ball groove 311 is opened in the lugs 31, and the ball 32 is placed in the ball groove 311.

[0026] In some embodiments, the brake structure 7 includes a mounting plate 71, a cable 72, and a torsion spring 73. The mounting plate 71 is coaxially connected to the return block 3 and the control plate. The cable 72 is connected to the mounting plate 71. The torsion spring 73 is connected to the mounting plate 71 and the mating plate 4 respectively. When emergency braking and resetting are required, pulling the cable 72 causes the mounting plate 71 to rotate. The torsion spring 73 is twisted by force, and the mounting plate 71, in conjunction with the return block 3 and the operating lever 1, rotates against damping and is forcibly reset to neutral. After releasing the cable 72, the torsion spring 73 releases its elasticity, causing the mounting plate 71 and the cable 72 to reset, waiting for the next operation.

[0027] Reference Figure 2 As shown, in order to enable the rotation of the hanging plate 71 to drive the return block 3 to move, the hanging plate 71 is bent in the axial direction towards the return block 3 to form a limiting block 711. The limiting block 711 can drive the lug 31 to rotate and reset as the hanging plate 71 rotates.

[0028] Preferably, the boss 41 of the mating plate 4 is triangular in shape. When the ball 32 is displaced onto the boss 41, it will naturally roll off the boss 41 without external force, so that the operating lever 1 is reset to neutral. The inclined surface of the triangular boss 41 has natural guiding properties. Under the combined action of its own weight and the elastic force of the return spring 5, the ball 32 automatically rolls off the boss 41 along the inclined surface.

[0029] Specifically, the operating lever 1 includes a lever body 11, a swing arm 12, a connecting block 13, and a connecting plate 14. The connecting block 13 is used to be fixedly connected to the return block 3. The swing arm 12 is movably mounted on the connecting block 13. The lever body 11 is connected to the swing arm 12. The connecting plate 14 is installed above the connecting block 13 and is used to connect the control lever 2. This arrangement allows the operating lever 1 to rotate along the direction of the swing arm 12 without affecting the operation of the operating lever 1, facilitating gear switching.

[0030] Reference Figure 1 As shown, it also includes a gear shift plate 8, on which a gear shift groove 81 is formed. The lever 11 is confined within the gear shift groove 81. The shape of the gear shift groove 81 ensures that the forward gear shift groove and the reverse gear shift groove are not on the same straight line, to prevent accidental entry into a non-target gear during operation. The various embodiments of this application have now been described in detail. To avoid obscuring the concept of this application, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of this application. The foregoing embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A manual continuously variable transmission (CVT) control mechanism for a ride-on lawnmower, characterized in that, include: The control lever is for manual control by the user and has three positions: forward, reverse, and neutral. The control lever, in conjunction with the operation of the control lever, is used to transmit operating force to the rear axle module of the lawnmower. A return block is fixedly connected to the operating lever, and the return block rotates together with the control lever. A mating plate is coaxially connected to the return block. A plurality of bosses are arranged along the circumference of the axis on one side of the mating plate. A plurality of balls are provided between the mating plate and the return block to engage with the bosses when the plate is in the reverse position. The return spring is compressed when the gear is in reverse, pushing the operating lever back to neutral. The damping component cooperates with the mating plate and the return block to generate a damping force when in the forward gear. The brake mechanism is used to return the operating lever to neutral.

2. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 1, characterized in that, The damping component is a damping block, which is fixedly disposed on one side of the return block and attaches to the mating plate to provide damping when in the forward gear.

3. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 1, characterized in that, The outer edge of the return block is provided with three lugs, and ball grooves are formed in the lugs, with the balls placed in the ball grooves.

4. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 3, characterized in that, The brake structure includes a mounting plate, a cable, and a torsion spring. The mounting plate is coaxially connected to the return block and the control plate. The cable is connected to the mounting plate, and the torsion spring is connected to the mounting plate and the mating plate respectively.

5. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 4, characterized in that, The mounting plate bends along the axial direction toward the return block to create a limiting block. The limiting block can rotate and reset the lug as the mounting plate rotates.

6. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 1, characterized in that, The boss of the mating plate is triangular in shape. When the ball is displaced to the boss, it will naturally roll off the boss without external force, so that the operating lever returns to neutral.

7. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 1, characterized in that, The operating lever includes a lever body, a swing arm, a connecting block, and a connecting plate. The connecting block is used to be fixedly connected to the return block. The swing arm is movably mounted on the connecting block. The lever body is connected to the swing arm. The connecting plate is installed above the connecting block and is used to connect the control lever.

8. The manual continuously variable transmission control mechanism for the riding lawnmower according to claim 7, characterized in that, It also includes a gear plate with a gear slot, and the rod is confined within the gear slot.

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