CN220211046U

CN220211046U - Operating rod capable of controlling driving speed

Info

Publication number: CN220211046U
Application number: CN202321737482.XU
Authority: CN
Inventors: 杨旸; 李东红
Original assignee: Changzhou Toolon Electric Works Co ltd
Current assignee: Changzhou Toolon Electric Works Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2023-12-22
Anticipated expiration: 2033-07-05

Abstract

The utility model discloses an operating rod capable of controlling driving speed, which comprises a machine case, an operating rod and a rotating arm, wherein the operating rod and the rotating arm are connected, the rotating arm is arranged in the machine case, the left end and the right end of the rotating arm are respectively and rotatably connected with the inner wall of the machine case, an angle sensor suitable for measuring the rotating angle of the rotating arm is fixedly arranged on the side edge of the machine case, the angle sensor is electrically connected with an electric control driving wheel, and the operating rod extends out of the machine case and is suitable for stirring the rotating arm to rotate. The utility model can automatically obtain the rotation angle of the rotating arm, thereby realizing the control of the rotation speed of the electric control driving wheel through the angle, and improving the use convenience of the mower.

Description

Operating rod capable of controlling driving speed

Technical Field

The utility model relates to the technical field of electric mowers, in particular to an operating rod capable of controlling driving speed.

Background

Mowers are common gardening power tools, including gasoline mowers and electric mowers, and electric mowers are increasingly used due to the advantages of low noise and environmental protection. The existing electric mower is mainly divided into a hand-push mower, a backpack mower and a riding mower according to different use modes, and for a plurality of lawns with larger range, the riding mower is favored by more and more users due to high mowing efficiency and good comfort.

The common riding mower consists of a mower body, electric control driving wheels and a cutting assembly which are arranged at the bottom of the mower body, and operating rods which are arranged at two sides of the mower body, wherein the operating rods at two sides are used for respectively controlling the advancing and retreating of the electric control driving wheels at two sides, so that the integral advancing, retreating and steering of the mower body are realized. However, the existing operating lever can only control start and stop, cannot realize speed adjustment, and still depends on a brake system under the feet of an operator to realize the speed adjustment during running, so that the operator is required to keep hands and feet at the same time in use, and the operating lever is inconvenient to use.

Disclosure of Invention

The utility model aims to provide an operating rod capable of controlling the driving speed, which aims at overcoming the defects of the prior art, and can automatically obtain the rotating angle of a rotating arm, so that the rotating speed of an electric control driving wheel is controlled through the angle, and the using convenience of a mower is improved.

The technical scheme for realizing the purpose of the utility model is as follows:

the utility model provides a controllable actuating lever of drive speed, includes quick-witted case and the control lever and the swinging boom that link to each other to set up, both ends are rotated with the inner wall of quick-witted case respectively about the swinging boom is located quick-witted incasement and is connected, the side fixed mounting of machine case has the angle sensor who is suitable for measuring swinging boom rotation angle, angle sensor and the lower extreme of swinging boom all are connected with automatically controlled drive wheel electricity, the control lever extends to the quick-witted case outside and is suitable for stirring the swinging boom and rotates.

Further, the transition shaft is rotatably mounted in the case, the angle sensor is coaxially mounted at one end of the transition shaft, the rotation axis of the transition shaft is parallel to the rotation axis of the rotating arm, the rotating arm is fixedly mounted with a sector gear coaxially, the transition shaft is fixedly mounted with a gear meshed with the sector gear coaxially, and the number of teeth of the gear is smaller than that of the sector gear.

Further, the angle sensor comprises a shell fixedly installed on the chassis, a circuit board is fixedly installed in the shell, a sensor is installed on the circuit board, and a magnet assembly corresponding to the sensor is fixedly installed on the transition shaft.

Further, the other end of the transition shaft is coaxially provided with a rotary damper.

Further, the angle sensor housing is provided with a protection box mounted on the case.

Further, the control lever is rotationally connected with the upper end of the rotating arm, the rotating axis is perpendicular to the rotating axis of the rotating arm, a T-shaped groove is formed in the top of the case, the control lever penetrates through the T-shaped groove to form a forward gear, a backward gear and a stop gear which respectively correspond to three end parts of the T-shaped groove, and a stop induction switch is arranged on the side edge of the stop gear.

Further, a limiting boss for limiting the rotating angle of the operating lever to rotate towards one side of the stop induction switch is arranged on the same side of the operating lever.

Further, one side of the limiting boss, which is close to the operating lever, is an inclined plane, and when the operating lever is contacted with the limiting boss, the inclined plane is attached to the side wall of the operating lever.

By adopting the technical scheme, the utility model has the following beneficial effects:

(1) According to the utility model, the rotating arm is driven to rotate through the operating lever, so that the forward and backward movement of the electric control driving wheel is controlled through the forward rotation and the backward rotation of the rotating arm, the angle sensor electrically connected with the electric control driving wheel is additionally arranged at the rotating end of the rotating arm, the rotating angle of the rotating arm is obtained through the angle sensor, and is further fed back to the electric control driving wheel, so that the rotating speed of the electric control driving wheel is controlled, the rotating speed of the electric control driving wheel is automatically controlled through the operating lever, and the use convenience of the mower is improved.

(2) According to the utility model, the rotating angle of the rotating arm is amplified by arranging the sector gear and the gear which are meshed with each other, so that the sensitivity of angle measurement is improved.

(3) The angle sensor provided by the utility model can identify the magnetic field change of the rotating magnetic field component through the sensor, so that the speed change is controlled, the structure is concise, and the response is sensitive.

(4) According to the utility model, the rotary damper is arranged, and the resistance is provided for the rotation of the transition shaft, so that the rotation of the rotary arm also has certain resistance, the rotation of the rotary arm caused by false touch is avoided, the use safety is improved, and meanwhile, the operation experience is better.

(5) According to the utility model, the protection box is arranged to prevent dust and other impurities from entering the angle sensor, so that the service life of the angle sensor is prolonged.

(6) According to the utility model, the T-shaped groove is arranged to provide direction guidance for the stirring of the operating lever, so that the use convenience of an operator is improved, and the automatic stop of the mower controlled by the operating lever is realized by arranging the stop induction switch, so that the use is convenient.

(7) According to the utility model, the rotation angle of the control lever is limited by arranging the limiting boss, so that the control lever is prevented from being impacted to stop the induction switch to cause damage.

(8) The limiting boss is provided with the inclined plane attached to the inclined operating rod, so that the contact area of the limiting boss and the inclined operating rod is increased, the operating rod can be stopped stably, and the deformation of the contact surface of the operating rod and the limiting boss can be effectively avoided.

Drawings

In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the chassis of the present utility model after removal;

FIG. 3 is a schematic diagram of a chassis according to the present utility model;

FIG. 4 is a schematic view of a rotary arm according to the present utility model;

fig. 5 is a schematic structural view of the angle sensor of the present utility model.

The reference numerals in the drawings are:

the machine comprises a machine case 1, a T-shaped groove 1-1, a control rod 2, a rotating arm 3, a limiting boss 3-1, an angle sensor 4, a shell 4-1, a circuit board 4-2, a magnet assembly 4-3, a shutdown inductive switch 5, a transition shaft 6, a sector gear 7, a gear 8, a rotary damper 9 and a protection box 10.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present utility model, it should be understood that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on those shown in the drawings, or those conventionally put in place when the inventive product is used, or those conventionally understood by those skilled in the art, merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The utility model provides a controllable actuating lever of driving speed as shown in fig. 1 to 5, including quick-witted case 1, control lever 2, swinging boom 3 and angle sensor 4, swinging boom 3 locates quick-witted incasement 1 and control both ends respectively with the inner wall rotation of quick-witted case 1 be connected, control lever 2 links to each other and the upper end extends to quick-witted case 1 outside with swinging boom 3, be used for stirring swinging boom 3 rotation, angle sensor 4 fixed mounting is in the side of quick-witted case 1 and links to each other with swinging boom 3, be used for measuring swinging boom 3's rotation angle, angle sensor 4 and swinging boom 3's lower extreme all are connected with automatically controlled drive wheel electricity, forward and backward through swinging boom 3's forward rotation and backward rotation realization control automatically controlled drive wheel, will obtain swinging boom 3's rotation angle size through angle sensor 4, the rotation speed size of feeding back to automatically controlled drive wheel is realized controlling automatically controlled through control lever 2, thereby the use convenience of mower is improved.

Specifically, the operating lever 2 is rotatably connected with the upper end of the rotating arm 3, the rotating axis is perpendicular to the rotating axis of the rotating arm 3, the top of the chassis 1 is provided with a T-shaped groove 1-1, and the operating lever penetrates through the T-shaped groove 1-1 to form a forward gear, a backward gear and a stop gear which respectively correspond to three ends of the T-shaped groove 1-1. The side of stopping the shelves is installed and is stopped inductive switch 5, when control lever 2 rotates to stopping inductive switch 5 department, triggers and stops inductive switch 5, realizes whole lawn mower automatic shutdown, convenient to use.

The right part of the front side of the rotating arm 3 is provided with a limiting boss 3-1 so as to limit the rotating angle of the operating lever 2 rotating towards one side of the shutdown inductive switch 5 and avoid the operating lever 2 from striking the shutdown inductive switch 5 to cause damage. The side of the limiting boss 3-1, which is close to the control rod 2, is an inclined plane, and when the control rod 2 contacts with the limiting boss 3-1, the inclined plane is attached to the side wall of the control rod 2, so that the contact area of the inclined plane and the control rod 2 is increased, the control rod 2 can be stopped stably, and the deformation of the contact surface of the control rod 2 and the limiting boss 3-1 can be effectively avoided.

Because the rotation angle of the rotating arm 3 is limited, in order to more accurately control the rotation speed of the electric wheel, in this embodiment, the transition shaft 6 is rotatably installed in the chassis 1, and the rotation axis of the transition shaft 6 is parallel to the rotation axis of the rotating arm 3, the rotating arm 3 is coaxially and fixedly provided with the sector gear 7, the transition shaft 6 is coaxially and fixedly provided with the gear 8 meshed with the sector gear 7, and the number of teeth of the gear 8 is smaller than that of the sector gear 7. The angle sensor 4 comprises a shell 4-1, a circuit board 4-2, a sensor and a magnet assembly 4-3, wherein the magnet assembly 4-3 is composed of a magnet seat and a magnet embedded in the magnet seat, the circuit board 4-2 is fixedly installed on the shell 4-1 and fixedly installed on the case 1, the circuit board 4-2 is fixedly installed in the shell 4-1, the sensor is fixedly installed on the shell 4-1, and the magnet seat is coaxially and fixedly installed at the right end of the transition shaft 6, so that the magnet corresponds to the sensor. The sensor is used for identifying the magnetic field change of the magnetic field component 4-4 rotating along with the transition shaft 6, so that the speed change is controlled, the structure is concise, and the response is sensitive. The amplification of the angle signal is realized through the transmission of the gear 8 and the sector gear 7, so that the sensitivity of angle measurement is improved. The other end coaxial arrangement of transition axle 6 has rotatory attenuator 9, through providing the resistance for the rotation of transition axle 6 for the rotation of swinging boom 3 also has certain resistance, avoids the mistake to bump and leads to swinging boom 3 to rotate, not only improves the safety in utilization, and it is better to control the experience simultaneously. Meanwhile, the outer cover of the angle sensor 4 is provided with a protection box 10 arranged on the case 1, so that impurities such as dust are prevented from entering the angle sensor 4, and the service life of the angle sensor 4 is prolonged.

According to the embodiment, the rotating arm 3 is driven to rotate through the operating rod 2, so that the forward and backward movement of the electric control driving wheel is controlled through the forward rotation and the backward rotation of the rotating arm 3, the angle sensor 4 electrically connected with the electric control driving wheel is additionally arranged at the rotating end of the rotating arm 3, the rotating angle of the rotating arm 3 is obtained through the angle sensor 4, and is further fed back to the electric control driving wheel, the rotating speed of the electric control driving wheel is controlled automatically through the operating rod, and the use convenience of the mower is improved.

While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.

Claims

1. An operating lever capable of controlling a driving speed, characterized in that: including quick-witted case (1) and control lever (2) and swinging boom (3) that link to each other to set up, both ends are rotated with the inner wall of quick-witted case (1) respectively about locating in quick-witted case (1) swinging boom (3), the side fixed mounting of machine case (1) has angle sensor (4) that are suitable for measuring swinging boom (3) turned angle, angle sensor (4) are connected with automatically controlled drive wheel electricity, control lever (2) extend to outside quick-witted case (1) and are suitable for stirring swinging boom (3) and rotate.

2. The drive speed controllable lever of claim 1, wherein: the machine case (1) is rotationally provided with a transition shaft (6), the angle sensor (4) is coaxially arranged at one end of the transition shaft (6), the rotation axis of the transition shaft (6) is parallel to the rotation axis of the rotating arm (3), the rotating arm (3) is coaxially and fixedly provided with a sector gear (7), the transition shaft (6) is coaxially and fixedly provided with a gear (8) meshed with the sector gear (7), and the number of teeth of the gear (8) is smaller than that of the sector gear (7).

3. The drive speed controllable lever of claim 2, wherein: the angle sensor (4) comprises a shell (4-1) fixedly installed on the chassis (1), a circuit board (4-2) is fixedly installed in the shell (4-1), a sensor is installed on the circuit board (4-2), and a magnet assembly (4-3) corresponding to the sensor is fixedly installed on the transition shaft (6).

4. The drive speed controllable lever of claim 2, wherein: the other end of the transition shaft (6) is coaxially provided with a rotary damper (9).

5. The drive speed controllable lever according to any one of claims 1 to 4, wherein: the outer cover of the angle sensor (4) is provided with a protection box (10) which is arranged on the case (1).

6. The drive speed controllable lever according to any one of claims 1 to 4, wherein: the control lever (2) is rotationally connected with the upper end of the rotating arm (3) and the rotating axis is perpendicular to the rotating axis of the rotating arm (3), a T-shaped groove (1-1) is formed in the top of the machine case (1), the control lever (2) penetrates through the T-shaped groove (1-1) to form a forward gear, a backward gear and a stop gear which respectively correspond to three ends of the T-shaped groove (1-1), and a stop induction switch (5) is arranged on the side edge of the stop gear.

7. The drive speed controllable lever of claim 6, wherein: the rotating arm (3) is provided with a limiting boss (3-1) which is positioned on the same side of the operating lever (2) and limits the rotating angle of the operating lever (2) rotating towards one side of the stop induction switch (5).

8. The drive speed controllable lever of claim 7, wherein: one side of the limiting boss (3-1) close to the operating rod (2) is an inclined plane, and when the operating rod (2) is in contact with the limiting boss (3-1), the inclined plane is attached to the side wall of the operating rod (2).