Steering rod capable of being operated by one hand
By designing a steering rod that can be operated with one hand and utilizing the fixing mechanism of the horizontal rod and the vertical rod, the problem of two-handed operation reducing work efficiency is solved, and one-handed control of the steering and movement of the lawn mower is achieved, thereby improving work efficiency and flexibility.
Patent Information
- Application Number
- CN202521884379.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-02
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2035-09-02
AI Technical Summary
The steering control of existing riding lawn mowers and other dual-bar transport vehicles requires two hands to operate, leaving no hands free to perform auxiliary tasks, reducing operating efficiency and flexibility.
A steering rod that can be operated with one hand is designed. Through the fixing mechanism of the horizontal rod and the vertical rod, the steering and movement of the lawn mower can be controlled by holding the horizontal rod with one hand. The vertical rod is connected to the lawn mower operating rod through the fixing mechanism. It is compatible with different models of operating rods and uses a universal joint bearing structure to improve flexibility.
It enables one-handed operation of the mower's steering and travel, freeing up the other hand to perform auxiliary tasks, improving operating efficiency and flexibility, reducing spare parts costs and saving maintenance time.
Smart Images
Figure CN223443608U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a steering lever, in particular to a steering lever of one -hand operation. BACKGROUND
[0002] The steering control of the widely used riding mower and other double -rod transport vehicles on the market currently usually depends on a set of separated operating mechanism, specifically, the operator needs to use two independent operating rods to realize the forward movement, backward movement, steering and speed adjustment of the machine.
[0003] The traditional design usually requires the operator to hold the left operating rod with the left hand and hold the right operating rod with the right hand, when the machine is in straight line driving, the two rods need to be pushed forward or backward synchronously, when steering, one side operating rod needs to be pushed forward, and the other side operating rod needs to be pulled backward, or one operating rod is kept stationary and the other operating rod is operated.
[0004] In some simple operation processes, the operator cannot free one hand to perform auxiliary operation, such as temporary cleaning of obstacles on the mowing path, adjustment of the collection bag, wiping of the goggles, operation of other accessories or use of communication equipment, which greatly reduces the operation efficiency and flexibility. SUMMARY
[0005] In view of the deficiencies in the prior art, the utility model aims to provide a steering lever of one -hand operation.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including horizontal rod and vertical rod, the vertical rod is rotatably arranged on both sides of the horizontal rod, and the vertical rod is provided with a fixing mechanism which is detachably fixed with the operating rod on the other side of the horizontal rod.
[0007] By adopting the above technical scheme, when in use, the two vertical rods are fixed on the two operating rods through the fixing mechanism, the operator holds the horizontal rod with one hand, and drives the two vertical rods on both sides to move synchronously by pushing or pulling the horizontal rod, the vertical rod is connected with the mower operating rod through the fixing mechanism, the one -hand action is transmitted to the mower steering system, when straight line driving is needed, the horizontal rod is pushed forward or backward, and when steering is needed, the left side or the right side of the horizontal rod is pushed, so as to complete left turn or right turn; one hand can synchronously control the steering and movement of the mower, and the other hand is freed to perform auxiliary tasks, which significantly improves the operation efficiency and flexibility.
[0008] The utility model further sets up: still include universal wheel, first rotary lever, second rotary lever, horizontal piece and vertical piece, first rotary lever and second rotary lever are through setting in universal wheel and first rotary lever and second rotary lever are perpendicular, horizontal piece sets up in horizontal bar both sides, vertical piece sets up in vertical bar opposite side close to horizontal bar, first rotary lever sets up in horizontal piece, second rotary lever sets up in vertical piece, universal wheel, first rotary lever, second rotary lever, horizontal piece and vertical piece constitute the universal rotation of horizontal bar and vertical bar.
[0009] By adopting the above technical scheme, the joint bearing type structure is used, and the joint rotation is more flexible and can be multidirectional angle rotation.
[0010] The utility model further sets up: still include sleeve, ball and fixed spring, vertical piece is provided with the sliding hole of vertical bar sliding in, vertical piece is provided with the fixed hole perpendicular with sliding hole and fixed hole extends to communicate with sliding hole, ball is arranged in fixed hole, sleeve is sleeved on the outer periphery of vertical piece and slides along the vertical direction, the sleeve has the abutting portion abutting with ball and the empty position portion apart from ball, the fixed spring is arranged between the sleeve and vertical piece and drives the sleeve to move to abutting portion abutting with ball, the vertical bar is provided with the annular arc groove matched with ball, the ball has fixed state and moving state, the fixed state is that ball is opposite to abutting portion, ball part enters annular arc groove, and vertical bar is fixed with vertical piece, and the moving state is that ball is opposite to empty position portion, ball slides in fixed hole, and vertical bar is not fixed with vertical piece.
[0011] By adopting the above technical scheme, when the vertical bar needs to be fixed with the vertical piece, the sleeve is pulled upwards first, the empty position portion is opposite to the ball, the sliding hole of the fixed block is opposite to the vertical bar, until the fixed hole is opposite to the annular arc groove, then the sleeve is released, under the action of the fixed spring, the abutting portion is opposite to the ball, the ball enters the annular arc groove, the vertical bar is fixed with the vertical piece, when the vertical bar needs to be separated from the vertical piece, the sleeve is moved, the empty position portion is opposite to the ball, then the vertical bar can be slid out of the sliding hole, through the arrangement of the ball, the sleeve and the fixed spring, the horizontal bar and the vertical bar can be quickly disassembled, and space is saved when not in use.
[0012] The utility model further sets up: the fixed mechanism includes fixed block and U type screw rod, the fixed block is arranged in the vertical bar, the fixed block has the longitudinal portion opposite to the U type screw rod, the U type screw rod end is provided with the threaded portion of screw thread, the longitudinal portion is provided with the threaded hole opposite to the threaded portion, the U type screw rod and the longitudinal portion have the containing space containing the operating rod, and the threaded portion and the threaded hole constitute the fixed of the operating rod and the vertical bar.
[0013] By adopting the technical scheme, the operating lever is placed in the accommodating space of the U-shaped screw rod and the fixed block, the threaded part of the U-shaped screw rod is screwed to the threaded hole of the fixed block, the operating lever is fixed by the clamping force of the U-shaped screw rod, and the screw rod is loosened in reverse direction to disassemble; different models of operating levers are compatible, and the spare part cost is reduced; the whole machine does not need to be disassembled during maintenance, and the maintenance time is saved; the U-shaped structure provides stable clamping force, and prevents loosening during operation.
[0014] The utility model further sets up: still include threaded part, still be provided with fixed part on fixed block, be provided with waist round hole on fixed part, vertical rod bottom is provided with adjustment part along waist round hole horizontal movement, still be provided with cooperation ring on vertical rod and cooperation ring is located adjustment part top, threaded part is screwed cooperation in adjustment part and is in cooperation ring cooperation constitutes the fixed block with vertical rod's fixed.
[0015] By adopting the technical scheme, the threaded part is loosened, the fixed block is slid to the required position along the waist round hole, and then the threaded part is locked, the threaded part and the cooperation ring form a pair of fixed parts, so that the fixing is completed, and the horizontal position adjustment of the fixed block is realized; the waist round hole and the threaded part structure ensure rigid fixing after adjustment, and resist vibration; the horizontal adjustment adapts to different operating levers.
[0016] The utility model further sets up: U-shaped screw rod bottom be provided with rubber bushing.
[0017] By adopting the technical scheme, the rubber bushing at the bottom of the U-shaped screw rod directly contacts the surface of the operating lever, the rubber bushing is elastically deformed when the screw rod is tightened, and the friction contact surface is increased; the rubber bushing increases the friction force, prevents the screw rod from retreating due to operation vibration, and elastically buffers to avoid scratching the surface of the operating lever by the metal screw rod. BRIEF DESCRIPTION OF DRAWINGS
[0018] Fig. 1 It is the whole structure schematic view of the utility model;
[0019] Fig. 2 It is the sectional view of the utility model about sleeve, ball, fixed spring and related elements.
[0020] In the drawing: 1, horizontal rod; 2, vertical rod; 3, fixed mechanism; 31, fixed block; 32, U-shaped screw rod; 33, longitudinal part; 34, threaded part; 35, threaded hole; 36, accommodating space; 4, universal wheel; 41, first rotating rod; 42, second rotating rod; 43, horizontal block; 44, vertical block; 5, sleeve; 51, ball; 52, fixed spring; 53, sliding hole; 54, fixed hole; 55, pressing part; 56, empty part; 57, annular arc groove; 6, threaded part; 61, fixed part; 62, waist round hole; 63, adjustment part; 64, cooperation ring; 7, rubber bushing. PREFERRED EMBODIMENT
[0021] The technical solutions of the present application will be described clearly and completely in connection with the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0023] As shown in Figs. 1-2 The present application discloses a steering lever which can be operated by one hand, comprising a horizontal rod 1 and a vertical rod 2, the vertical rod 2 is rotatably arranged on both sides of the horizontal rod 1, and the other side of the vertical rod 2 relative to the horizontal rod 1 is provided with a fixing mechanism 3 which can be detachably fixed with an operating rod. When in use, the two vertical rods 2 are fixed on two operating rods respectively through the fixing mechanism 3, an operator holds the horizontal rod 1 with one hand, and synchronously drives the movement of the two vertical rods 2 on both sides by pushing or pulling the horizontal rod 1. The vertical rod 2 is connected with the mower operating rod through the fixing mechanism 3, and the one-handed action is transmitted to the mower steering system. When straight-line driving is needed, the horizontal rod 1 is pushed forward or backward, and when steering is needed, the left side or right side of the horizontal rod 1 is pushed, so as to complete left turn or right turn. The mower steering and advancing can be synchronously controlled by one hand, the other hand is freed to perform auxiliary tasks, and the work efficiency and flexibility are significantly improved.
[0024] It also comprises a universal wheel 4, a first rotating rod 41, a second rotating rod 42, a horizontal block 43 and a vertical block 44. The first rotating rod 41 and the second rotating rod 42 are arranged through the universal wheel 4, and the first rotating rod 41 and the second rotating rod 42 are perpendicular to each other. The horizontal block 43 is arranged on both sides of the horizontal rod 1, and the vertical block 44 is arranged on the side of the vertical rod 2 which is relatively close to the horizontal rod 1. The first rotating rod 41 is arranged on the horizontal block 43, and the second rotating rod 42 is arranged on the vertical block 44. The universal wheel 4, the first rotating rod 41, the second rotating rod 42, the horizontal block 43 and the vertical block 44 constitute the universal rotation of the horizontal rod 1 and the vertical rod 2. The structure of the universal joint bearing type is used, and the joint rotation is more flexible and can be rotated in multiple directions.
[0025] Further comprising a sleeve 5, a ball 51 and a fixed spring 52, the vertical block 44 is provided with a sliding hole 53 for the vertical rod 2 to slide, the vertical block 44 is provided with a fixed hole 54 perpendicular to the sliding hole 53 and the fixed hole 54 extends to communicate with the sliding hole 53, the ball 51 is arranged in the fixed hole 54, the sleeve 5 is sleeved on the outer circumference of the vertical block 44 and slides vertically, the sleeve 5 has a pressing part 55 abutting against the ball 51 and a vacant part 56 away from the ball 51, the fixed spring 52 is arranged between the sleeve 5 and the vertical block 44 and drives the sleeve 5 to move to abut against the ball 51, the vertical rod 2 is provided with an annular arc groove 57 matched with the ball 51, the ball 51 has a fixed state and a moving state, in the fixed state, the ball 51 is opposite to the pressing part 55, the ball 51 partially enters the annular arc groove 57, and the vertical rod 2 is fixed with the vertical block 44; in the moving state, the ball 51 is opposite to the vacant part 56, the ball 51 slides in the fixed hole 54, and the vertical rod 2 is not fixed with the vertical block 44, when it is needed to fix the vertical rod 2 with the vertical block 44, the sleeve 5 is first pulled upward, so that the vacant part 56 is opposite to the ball 51, the sliding hole 53 of the fixed block 31 is opposite to the vertical rod 2, and the fixed hole 54 is opposite to the annular arc groove 57 until the sleeve 5 is released, under the action of the fixed spring 52, the pressing part 55 is opposite to the ball 51, the ball 51 enters the annular arc groove 57, and the vertical rod 2 is fixed with the vertical block 44, and when it is needed to separate the vertical rod 2 from the vertical block 44, the sleeve 5 is moved, so that the vacant part 56 is opposite to the ball 51, and the vertical rod 2 can be slid out of the sliding hole 53; through the arrangement of the ball 51, the sleeve 5 and the fixed spring 52, the horizontal rod 1 and the vertical rod 2 can be quickly disassembled, and space is saved when not in use.
[0026] The fixing mechanism 3 comprises a fixed block 31 and a U-shaped screw 32, the fixed block 31 is arranged on the vertical rod 2, the fixed block 31 has a longitudinal part 33 opposite to the U-shaped screw 32, the end of the U-shaped screw 32 is provided with a threaded part 34 having a thread, the longitudinal part 33 is provided with a threaded hole 35 opposite to the threaded part 34, the U-shaped screw 32 and the longitudinal part 33 have a containing space 36 containing an operating rod, the threaded part 34 and the threaded hole 35 constitute a detachable fixing between the operating rod and the vertical rod 2, the operating rod is arranged in the containing space 36 of the U-shaped screw 32 and the fixed block 31, the threaded part 34 of the U-shaped screw 32 is screwed to the threaded hole 35 of the fixed block 31, the operating rod is fixed by the clamping force of the U-shaped screw 32, and the screw is loosened in reverse to disassemble; different models of operating rods are compatible, the cost of spare parts is reduced, the whole machine does not need to be disassembled during maintenance, the maintenance time is saved, and the U-shaped structure provides stable clamping force to prevent loosening during operation.
[0027] Further comprising a threaded part 6, the fixed block 31 is further provided with a fixed part 61, the fixed part 61 is provided with a waist round hole 62, the vertical rod 2 is provided with an adjusting part 63 which moves transversely along the waist round hole 62, the vertical rod 2 is further provided with a cooperation ring 64 which is above the adjusting part 63, the threaded part 6 is screwed into the adjusting part 63 and cooperates with the cooperation ring 64 to constitute the fixation of the fixed block 31 and the vertical rod 2, the threaded part 6 is loosened, the fixed block 31 is slid along the waist round hole 62 to the desired position and then the threaded part 6 is locked, the threaded part 6 and the cooperation ring 64 form a pair of clamps for the fixed part 61, thereby completing the fixation and realizing the horizontal position adjustment of the fixed block 31; the waist round hole 62 and the threaded part 6 structure ensure rigid fixation after adjustment and resistance to vibration; the horizontal adjustment adapts to different operating rods.
[0028] The U-shaped screw rod 32 is provided with a rubber sleeve 7 at the bottom, the rubber sleeve 7 at the bottom of the U-shaped screw rod 32 directly contacts the surface of the operating rod, the rubber sleeve 7 is elastically deformed when the screw is tightened, increasing the friction contact surface; the rubber sleeve 7 increases the friction force to prevent the screw from retreating due to operation vibration; the elastic buffer avoids scratching the surface of the operating rod by the metal screw rod.
[0029] Working process: before use, the vertical rod 2 and the vertical block 44 need to be fixed, first pull the sleeve 5 upward, so that the empty part 56 is opposite to the ball 51, the sliding hole 53 of the fixed block 31 is opposite to the vertical rod 2, until the fixed hole 54 is opposite to the annular arc groove 57, at this time the sleeve 5 is released, under the action of the fixed spring 52, the abutting part 55 is opposite to the ball 51, the ball 51 enters the annular arc groove 57, forming the fixation of the vertical rod 2 and the vertical block 44, then the operating rod is placed in the accommodating space 36 of the U-shaped screw rod 32 and the fixed block 31, the threaded part 34 of the U-shaped screw rod 32 is screwed into the threaded hole 35 of the fixed block 31, the operating rod is fixed by the clamping force of the U-shaped screw rod 32, after assembly, when linear travel is needed, the horizontal rod 1 is pushed forward or backward, when turning is needed, the left side or right side of the horizontal rod 1 is pushed, thereby completing left turning or right turning.
Claims
1. A steering rod operable with one hand, characterized in that: It comprises a transverse rod (1) and a vertical rod (2), wherein the vertical rod (2) is rotatably arranged on both sides of the transverse rod (1), and a fixing mechanism (3) that is detachably fixed to an operating rod is provided on the other side of the vertical rod (2) relative to the transverse rod (1).
2. A one-handed steering rod according to claim 1, characterized in that: The invention also includes a universal wheel (4), a first rotating rod (41), a second rotating rod (42), a horizontal block (43) and a vertical block (44). The first rotating rod (41) and the second rotating rod (42) are arranged through the universal wheel (4) and the first rotating rod (41) and the second rotating rod (42) are perpendicular to each other. The horizontal block (43) is arranged on both sides of the horizontal rod (1). The vertical block (44) is arranged on a side of the vertical rod (2) relatively close to the horizontal rod (1). The first rotating rod (41) is arranged on the horizontal block (43), and the second rotating rod (42) is arranged on the vertical block (44). The universal wheel (4), the first rotating rod (41), the second rotating rod (42), the horizontal block (43) and the vertical block (44) constitute the rotation of the horizontal rod (1) and the vertical rod (2).
3. The one-hand operable steering rod according to claim 2, characterized in that: The vertical block (44) is provided with a sliding hole (53) for the vertical rod (2) to slide. The vertical block (44) is provided with a fixing hole (54) perpendicular to the sliding hole (53) and the fixing hole (54) extends to communicate with the sliding hole (53). The ball (51) is provided in the fixing hole (54). The sleeve (5) is sleeved on the outer periphery of the vertical block (44) and slides vertically. The sleeve (5) has a pressing portion (55) against the ball (51) and a vacant portion (56) separated from the ball (51). The fixing spring (52) is provided on the sleeve. (5) and the vertical block (44) and drives the sleeve (5) to move until the pressing portion (55) and the ball (51) are against each other. The vertical rod (2) is provided with an annular arc groove (57) adapted to the ball (51). The ball (51) has a fixed state and a moving state. The fixed state is that the ball (51) and the pressing portion (55) are opposite, and the ball (51) partially enters the annular arc groove (57). The vertical rod (2) and the vertical block (44) are fixed. The moving state is that the ball (51) is opposite to the empty portion (56), and the ball (51) slides in the fixing hole (54). The vertical rod (2) and the vertical block (44) are not fixed.
4. The one-hand operable steering rod according to claim 1, characterized in that: The fixing mechanism (3) includes a fixing block (31) and a U-shaped screw (32). The fixing block (31) is arranged on the vertical rod (2). The fixing block (31) has a longitudinal portion (33) opposite to the U-shaped screw (32). A threaded portion (34) having a thread is provided at the end of the U-shaped screw (32). A threaded hole (35) opposite to the threaded portion (34) is provided on the longitudinal portion (33). An accommodating space (36) for accommodating an operating rod is provided between the U-shaped screw (32) and the longitudinal portion (33). The threaded portion (34) and the threaded hole (35) constitute a detachable fixing between the operating rod and the vertical rod (2).
5. The one-hand operable steering rod according to claim 4, characterized in that: The invention also includes a threaded member (6), a fixing portion (61) is provided on the fixing block (31), a waist-shaped hole (62) is provided on the fixing portion (61), an adjustment portion (63) is provided at the bottom of the vertical rod (2) and moves laterally along the waist-shaped hole (62), a matching ring (64) is provided on the vertical rod (2), and the matching ring (64) is located above the adjustment portion (63), and the threaded member (6) is threadedly matched with the adjustment portion (63) and matched with the matching ring (64) to form the fixing of the fixing block (31) and the vertical rod (2).
6. The one-hand operable steering rod according to claim 4, characterized in that: A rubber sleeve (7) is provided at the bottom of the U-shaped screw (32).