CN215987074U - Operating lever with stable structure - Google Patents

Abstract

The utility model relates to an operating lever with a stable structure, which comprises an operating lever, a base, an upper swing arm, a lower swing arm and a potentiometer, wherein the upper swing arm and the lower swing arm are rotatably arranged in the base, the end parts of the upper swing arm and the lower swing arm are respectively connected with the potentiometer, the upper swing arm is provided with a cylindrical main body, an upper movable groove is arranged in the cylindrical main body, the lower end of the operating lever is provided with a positioning lever inserted into the upper movable groove, a pin shaft is transversely inserted into the positioning lever and the cylindrical main body, the lower swing arm is provided with a downwardly arched arc main body, the arc main body is provided with a lower movable groove, the lower end of the positioning lever is provided with a movable lever inserted into the lower movable groove, the pin shaft is transversely inserted into the positioning lever and the cylindrical main body to effectively limit the front-back swinging range of the positioning lever in the upper movable groove, the cylindrical main body of the upper swing arm, the arc main body of the lower swing arm, the positioning lever of the operating lever and the movable lever are mutually matched and reasonably structured, when the operating lever swings front-back and left-right, the swing arm is not easy to damage, the service life of the operating rod is prolonged, and the requirements of customers are met.

Description

Operating lever with stable structure

Technical Field

The utility model relates to the field of operating levers, in particular to an operating lever with a stable structure.

Background

The control rod, it is often used for removing photographic system, measure metering equipment, medicine imaging system, automatic machine control, industry and science are with in the trade such as instrument, the common control rod on the market is because the action bars, the base, go up the swing arm, lower swing arm and potentiometre are constituteed, when operating personnel swing action bars motion, go up the swing arm, corresponding swing can take place for lower swing arm, the potentiometre detects the swing arm swing thereby convert the motion of action bars into electronic signal output, the defect of current control rod lies in going up the swing arm, the structural design of lower swing arm is simple unstable, along with the increase of number of times of use, the action bars collides the swing arm many times and makes easily go up the swing arm, lower swing arm is cracked, product life is short.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problems of easy damage of a swing arm and short service life of a product in the prior art, the utility model provides an operating lever with a stable structure, and the specific technical scheme is as follows:

the utility model provides an operating rod that structure is firm, includes action bars, base, goes up the swing arm, swing arm and potentiometre down, and the action bars is installed in the base top, and swing arm, lower swing arm are installed in the inside rotation of base, goes up the swing arm and is located the top and swing arm is located the below down, goes up swing arm, swing arm end part connects a potentiometre respectively down, it is equipped with the cylindricality main part to go up the swing arm, is equipped with the activity groove in the cylindricality main part, and the action bars lower extreme is equipped with the locating lever that inserts the activity groove, and the horizontal cartridge locating lever of round pin axle, cylindricality main part, locating lever can be around the round pin axle swing around in last activity groove, and lower swing arm is equipped with the arc main part that arches downwards, is equipped with down the activity groove in the arc main part, goes up activity groove and activity groove mutually perpendicular down, and the locating lever lower extreme is equipped with the movable rod that inserts the activity groove down, and the movable rod can be under in the activity groove swing back and forth.

According to a preferred scheme of the utility model, the base comprises a bottom shell, two swing arm installation side plates, a potentiometer installation side plate and a bottom plate, wherein one swing arm installation side plate is inserted into the front side surface of the bottom shell, the other swing arm installation side plate is inserted into the right side surface of the bottom shell, the swing arm installation side plate is provided with an installation hole, the upper swing arm and the lower swing arm are rotatably installed on the swing arm installation side plates through inserting the installation hole, the potentiometer installation side plates are provided with two pieces, one potentiometer installation side plate is inserted into the rear side surface of the bottom shell, and the other potentiometer installation side plate is inserted into the left side surface of the bottom shell.

As a preferable scheme of the utility model, the inner side of the swing arm installation side plate is provided with a reset torsion spring.

As a preferable aspect of the present invention, the cylindrical body is a square column or a circular column.

The utility model has the beneficial effects that: the horizontal cartridge locating lever of round pin axle, cylindricality main part effectively restrict the locating lever and swing range around in last movable slot, and the cylindricality main part of going up the swing arm, the arc main part of lower swing arm, the locating lever and the movable rod of action bars are mutually supported rational in infrastructure, when guaranteeing the action bars swing all around, the swing arm is not fragile, helps increasing control rod life, satisfies customer's demand.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a perspective view of the present invention with the operating lever, the upper swing arm, and the lower swing arm engaged;

FIG. 4 is a perspective view of the upper swing arm and the lower swing arm of the present invention in combination;

fig. 5 is an exploded view of the base of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed and operated in specific orientations, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in figures 1-4, an operating lever with a stable structure comprises an operating lever 1, a base 2, an upper swing arm 3, a lower swing arm 4 and a potentiometer 5, wherein the operating lever 1 is installed above the base 2, the upper swing arm 3 and the lower swing arm 4 are rotatably installed inside the base 2, the upper swing arm 3 is positioned above the lower swing arm 4, the lower swing arm 4 is positioned below the upper swing arm, the end parts of the upper swing arm 3 and the lower swing arm 4 are respectively connected with one potentiometer 5, the potentiometer 5 is used for sensing swing of the swing arms so as to convert the movement of the operating lever into an electronic signal and output the electronic signal, which is the prior art in the field of operating levers, the upper swing arm 3 is provided with a cylindrical main body 31, an upper movable groove 32 is arranged in the cylindrical main body 31, a positioning rod 11 inserted into the upper movable groove 32 is arranged at the lower end of the operating lever 1, a pin shaft 6 is transversely inserted into the positioning rod 11 and the cylindrical main body 31, the pin shaft 6 is used for limiting and ensuring swing, so that when a person drives the operating lever 1 to swing left and right, the positioning rod 11 can drive the cylindrical main body 31 to rotate through the pin shaft 6, the lower swing arm 4 is provided with an arc main body 41 arched downwards, the arc main body 41 can avoid the cylindrical main body 31 to avoid interference during movement, a lower movable groove 42 is arranged in the arc main body 41, the upper movable groove 32 is perpendicular to the lower movable groove 42, the lower end of the positioning rod 11 is provided with a movable rod 12 inserted into the lower movable groove 42, the movable rod 12 can swing back and forth in the lower movable groove 42, the positioning rod 11 can swing back and forth in the upper movable groove 32 around the pin shaft 6, and the movable rod 12 drives the lower swing arm 4 to rotate.

As shown in fig. 5, the base 2 is composed of a bottom shell 21, swing arm mounting side plates 22, potentiometer mounting side plates 23 and a bottom plate 24, slots for mounting the swing arm mounting side plates 22 and the potentiometer mounting side plates 23 are formed in the periphery of the bottom shell 21, two swing arm mounting side plates 22 are provided, one swing arm mounting side plate 22 is inserted into the front side surface of the bottom shell 21, the other swing arm mounting side plate 22 is inserted into the right side surface of the bottom shell 21, the swing arm mounting side plate 22 is provided with mounting holes, the upper swing arm 3 and the lower swing arm 4 are rotatably mounted on the swing arm mounting side plate 22 through the insertion mounting holes, two potentiometer mounting side plates 23 are provided, one potentiometer mounting side plate 23 is inserted into the rear side surface of the bottom shell 21, the other potentiometer mounting side plate 23 is inserted into the left side surface of the bottom shell, and one swing arm mounting side plate 22 faces one potentiometer mounting side plate 23.

Specifically, reset torsion spring 7 is installed to swing arm installation curb plate 22 inboard, and swing arm installation curb plate 22 inboard internal contraction is equipped with the kicking block that withstands 7 both ends of reset torsion spring, and 7 covers of reset torsion spring are in last swing arm 3, 4 one ends of lower swing arm, and when last swing arm 3, 4 rotations of lower swing arm, 7 atress of reset torsion spring warp, and swing arm 3, lower swing arm 4 reset on 7 drives of reset torsion spring when unloading the manpower, in addition, cylindricality main part 31 is square post or circular post.

The above description is for the purpose of describing the utility model in more detail with reference to specific preferred embodiments, and it should not be construed that the embodiments of the utility model are limited to those described herein, and it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (4)

1. The utility model provides an operating lever that structure is firm, includes action bars, base, goes up the swing arm, swing arm and potentiometre down, and the action bars is installed in the base top, and swing arm, lower swing arm are installed in base internal rotation, go up the swing arm and lie in the top and the swing arm lies in the below down, goes up swing arm, lower swing arm end and do not connects a potentiometre, its characterized in that: go up the swing arm and be equipped with the cylindricality main part, be equipped with the activity groove in the cylindricality main part, the action bars lower extreme is equipped with the locating lever that inserts the activity groove, the horizontal cartridge locating lever of round pin axle, cylindricality main part, the locating lever can be around round pin axle swing back and forth in last activity groove, lower swing arm is equipped with the arc main part of arching downwards, is equipped with down the activity groove in the arc main part, goes up activity groove and activity groove mutually perpendicular down, the locating lever lower extreme is equipped with the movable rod that inserts down the activity groove, the movable rod can be under in the activity groove swing back and forth.

2. A structurally sound joystick as claimed in claim 1, wherein: the base comprises drain pan, swing arm installation curb plate, potentiometre installation curb plate and bottom plate, and swing arm installation curb plate has two, a swing arm installation curb plate cartridge drain pan leading flank, another swing arm installation curb plate cartridge drain pan right flank, and swing arm installation curb plate is equipped with the mounting hole, goes up swing arm, lower swing arm and rotates through inserting the mounting hole and install in swing arm installation curb plate, and potentiometre installation curb plate has two, a potentiometre installation curb plate cartridge drain pan trailing flank, another potentiometre installation curb plate cartridge drain pan left surface.

3. A structurally sound joystick as claimed in claim 2, wherein: and a reset torsion spring is arranged on the inner side of the swing arm mounting side plate.

4. A structurally sound joystick as claimed in claim 1, wherein: the cylindrical main body is a square column or a round column.

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