CN212782905U - Precision rocker potentiometer - Google Patents

Abstract

The utility model relates to the technical field of potentiometers, in particular to a precision rocker potentiometer, which comprises a base, a shell, a lower rocker arm, an upper rocker arm, a rocker, a return assembly and an insert block, wherein a second cavity matched with the return assembly is arranged in the rocker, a plurality of fourth fixed blocks are uniformly arranged in the second cavity, and the return assembly comprises a chassis and a return guide pillar matched with the second cavity; the utility model is convenient to assemble when in use, thereby improving the assembly precision and the production efficiency; through the return guide pillar fixedly mounted in the rocker and matched with the rocker, the return guide pillar can only slide up and down and cannot rotate, the return guide pillar cannot move due to shaking of other parts or interference of external factors, and the return precision of the rocker potentiometer during use is improved.

Description

Precision rocker potentiometer

Technical Field

The utility model relates to a potentiometre technical field specifically is an accurate rocker potentiometre.

Background

The existing rocker potentiometer mainly comprises an electric brush, a circuit board, a carbon resistor arranged on the circuit board and the like, wherein the electric brush moves on the carbon resistor through external force to generate different resistance values on the circuit board, and then electric signals generated by the different resistance values are different to achieve the effect of utilizing the rocker potentiometer to control the direction.

The rocker potentiometer is applied to electronic products such as an electronic game machine, a remote controller and the like, and the rocker potentiometer mainly adjusts output signals by shifting a rocker, so that the regulation and control requirements are met. The existing rocker potentiometer has the problems of troublesome and complicated assembly, insufficient assembly precision, inaccurate return and the like, so that the production efficiency is low, and the requirements of users are difficult to meet.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a precise rocker potentiometer.

The technical scheme of the utility model as follows:

a precision rocker potentiometer comprises a base, a shell, a lower rocker arm, an upper rocker arm, a rocker, a return assembly and an insert block, wherein the shell is fixedly installed on the base, a first cavity is formed between the shell and the base, the lower rocker arm is fixedly installed on the base, the upper rocker arm is fixedly installed above the lower rocker arm, the rocker arm penetrates through the upper rocker arm and then is fixedly installed on the lower rocker arm, the return assembly is fixedly installed in the rocker arm, the insert block is fixedly installed on the base, and the insert block is located between the base and the shell;

a second cavity matched with the return assembly is formed in the rocker, and a plurality of fourth fixed blocks are uniformly arranged in the second cavity;

the return assembly comprises a base plate and a return guide pillar matched with the second cavity, one end of the return guide pillar is fixedly connected with the base plate, and the other end of the return guide pillar is inserted into the second cavity and is slidably connected with the rocker.

Preferably, the base is including the bottom plate, fixed mounting has first fixed block and second fixed block on the bottom plate, first fixed block with the front end fixed connection of bottom plate, the second fixed block with the right-hand member fixed connection of bottom plate, be provided with on the first fixed block with go up the first through-hole of rocking arm assorted, be provided with on the second fixed block with rocking arm assorted second through-hole down, the rear end of bottom plate is the protruding third fixed block that has still upwards stretched, the left end of bottom plate is the protruding first lug that has outwards stretched, be provided with on the third fixed block with go up the first recess of rocking arm assorted.

Preferably, the bottom of the bottom plate is further provided with a circular ring, and cylinders are uniformly and fixedly arranged along the circular ring.

Preferably, the antetheca face of casing be provided with first fixed block assorted first breach, the right wall of casing be provided with second fixed block assorted second breach, the back wall of casing be provided with first lug assorted third breach, the left wall of casing be provided with inserted block assorted fourth breach.

Preferably, one end of the lower rocker arm is provided with a second convex block matched with the second through hole, the other end of the lower rocker arm is provided with a third convex block, the other end of the lower rocker arm is fixedly connected with the inserting block, and third through holes matched with the rocker arms are respectively formed in two sides of the middle of the lower rocker arm.

Preferably, the third bump is provided with a stop block, an arc surface and an arc inclined surface in sequence from outside to inside.

Preferably, one end of the upper rocker arm is provided with a fourth bump matched with the first through hole, and the other end of the upper rocker arm is provided with a fifth bump matched with the first groove.

Preferably, a plurality of fifth fixing blocks are uniformly arranged on the return guide pillar, and the distance between the two fifth fixing blocks is matched with the fourth fixing block.

Preferably, a tact switch is further arranged between the insertion block and the first protruding block, and the tact switch is abutted against the other end of the lower rocker arm.

Preferably, the insert block is provided with a fifth notch matched with the lower rocker arm and a third groove matched with the shell.

The utility model has the advantages that:

compared with the prior art, the precision rocker potentiometer provided by the utility model has the advantages that one end of the lower rocker arm is embedded with the second fixed block, the other end of the lower rocker arm is placed on the first bump, the return component is fixed in the rocker arm, then the rocker arm is fixedly connected with the lower rocker arm, one end of the upper rocker arm is embedded with the first fixed block, the other end of the upper rocker arm is placed on the third fixed block, the insert block is fixedly arranged on the base, the lower rocker arm is fixed between the insert block and the base, then the shell is fixedly arranged on the base, the upper rocker arm is fixed between the shell and the base, the assembly is convenient, and the assembly precision and the production efficiency are improved; through in the rocker fixed mounting have with rocker assorted return guide pillar, guaranteed that the return guide pillar only can slide from top to bottom, can not rotate, the return guide pillar can not remove because of the interference of rocking or external factors of other parts, return precision when having increased the use of rocker potentiometer.

Description of the drawings:

fig. 1 is a schematic diagram of a precision rocker potentiometer provided by the present invention;

fig. 2 is a schematic diagram of a precision rocker potentiometer provided by the present invention;

fig. 3 is a schematic diagram of a base of the precision rocker potentiometer provided by the present invention;

fig. 4 is a schematic diagram of a base of the precision rocker potentiometer provided by the present invention;

fig. 5 is a schematic view of a lower rocker arm of the precision rocker potentiometer provided by the present invention;

fig. 6 is a schematic view of an upper rocker arm of the precision rocker potentiometer provided by the present invention;

fig. 7 is a schematic diagram of a precision rocker potentiometer provided by the present invention;

fig. 8 is a schematic diagram of a return assembly of the precision rocker potentiometer provided by the present invention;

fig. 9 is a schematic diagram of an insertion block of the precision rocker potentiometer according to the present invention.

Reference numerals

The base 1, the housing 2, the lower rocker 3, the upper rocker 4, the rocker 5, the return component 6, the insert block 7, the bottom plate 11, the second projection 31, the third projection 32, the third through hole 33, the fourth projection 41, the fifth projection 42, the second cavity 51, the sixth projection 52, the chassis 61, the return guide post 62, the washer 63, the fifth notch 71, the third groove 72, the tact switch 73, the first fixing block 111, the second fixing block 112, the first through hole 113, the second through hole 114, the third fixing block 115, the first projection 116, the first groove 117, the ring 118, the stopper 321, the arc surface 322, the arc inclined plane 323, the second groove 611, and the fifth fixing block 621.

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 reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1, 2 and 8, a precision rocker potentiometer comprises a base 1, a housing 2, a lower rocker arm 3, an upper rocker arm 4, a rocker 5, a return assembly 6 and an insert 7, wherein the housing 2 is fixedly mounted on the base 1, a first cavity is arranged between the housing 2 and the base 1, the lower rocker arm 3 is fixedly mounted on the base 1, the upper rocker arm 4 is fixedly mounted above the lower rocker arm 3, the rocker 5 passes through the upper rocker arm 4 and is fixedly mounted on the lower rocker arm 3, the return assembly 6 is fixedly mounted in the rocker arm, the insert 7 is fixedly mounted on the base 1, and the insert 7 is located between the base 1 and the housing 2.

Referring to fig. 3 and 4, the base 1 includes a bottom plate 11, a first fixing block 111 and a second fixing block 112 are fixedly mounted on the bottom plate 11, the first fixing block 111 is fixedly connected with the front end of the bottom plate 11, the second fixing block 112 is fixedly connected with the right end of the bottom plate 11, a first through hole 113 matched with the upper rocker arm 4 is formed in the first fixing block 111, and a second through hole 114 matched with the lower rocker arm 3 is formed in the second fixing block 112; the first through hole 113 is used for mounting and fixing the upper rocker arm 4, and the second through hole 114 is used for mounting and fixing the lower rocker arm 3.

The rear end of the bottom plate 11 further protrudes upwards to form a third fixing block 115, the left end of the bottom plate 11 protrudes outwards to form a first protruding block 116, and the third fixing block 115 is provided with a first groove 117 matched with the upper rocker arm 4. One end of the upper rocker arm 4 is inserted into the first through hole 113, so that one end of the upper rocker arm 4 is fixedly connected with the first fixing block 111, then the other end of the upper rocker arm 4 is placed on the first groove 117, namely, the other end of the upper rocker arm 4 is fixed between the third fixing block 115 and the housing 2, one end of the lower rocker arm 3 is inserted into the second through hole 114, so that one end of the upper rocker arm 4 is fixedly connected with the second fixing block 112, and then the other end of the upper rocker arm 4 passes through the insert block 7 to be fixed on the first projection 116, so that the installation of the upper rocker arm 4 and the lower rocker arm 3 is simpler and more convenient.

The bottom of the bottom plate 11 is further provided with a circular ring 118, and cylinders are uniformly and fixedly arranged along the circular ring 118. The ring 118 is used to improve the structural strength of the product and prevent the shrinkage balance of injection molding.

The antetheca of casing 2 be provided with the first breach of first fixed block 111 assorted, the right wall of casing 2 be provided with second fixed block 112 assorted second breach, the back wall of casing 2 be provided with first lug 116 assorted third breach, the left wall of casing 2 be provided with inserted block 7 assorted fourth breach. The first notch, the second notch, the third notch and the fourth notch are used for enabling the shell 2 to be smoothly and fixedly installed on the base 1.

Referring to fig. 5, one end of the lower rocker arm 3 is provided with a second protrusion 31 matched with the second through hole 114, the other end of the lower rocker arm 3 is provided with a third protrusion 32, the other end of the lower rocker arm 3 is fixedly connected with the insert block 7, and two sides of the middle of the lower rocker arm 3 are respectively provided with third through holes 33 matched with the rocker 5. The second projection 31 is inserted into the second through hole 114, and the third projection 32 passes through the insertion block 7, so that the lower rocker arm 3 is fixedly mounted on the base 1, and the assembly is convenient.

The third bump 32 is provided with a stop 321, an arc surface 322 and an arc inclined surface 323 in sequence from outside to inside; when the other end of lower rocking arm 3 fixed mounting in casing 2 with behind between the base 1, third lug 32 makes lower rocking arm 3 has avoided rocking under the effect of dog 321 excessively, has guaranteed again through arc surface 322, lower rocking arm 3 can arc surface 322 with remove between the circular arc inclined plane 323, can be in casing 2 with remove between the base 1, guaranteed that lower rocking arm 3 can rotate in a flexible way.

Referring to fig. 6, one end of the upper rocker arm 4 is provided with a fourth protrusion 41 matched with the first through hole 113, and the other end of the upper rocker arm 4 is provided with a fifth protrusion 42 matched with the first groove 117. The fourth protruding block 41 is inserted into the first through hole 113, and the fifth protruding block 42 is placed on the first groove 117, so that the fifth protruding block 42 is located between the housing 2 and the third fixing block 115, the upper rocker arm 4 is fixedly mounted on the base 1, the upper rocker arm 4 is located above the lower rocker arm 3, and the assembly is convenient.

Referring to fig. 7 and 8, a second cavity 51 matched with the return assembly 6 is formed in the rocker 5, a plurality of fourth fixing blocks are uniformly arranged in the second cavity 51, and a sixth bump 52 matched with the third through hole 33 is fixedly arranged at the lower end of the outer wall surface of the rocker 5. The sixth projection 52 is inserted into the third through hole 33, so that the rocker 5 is fixedly connected with the upper rocker arm 4.

The return assembly 6 comprises a chassis 61, a return guide post 62 and a washer 63, the return guide post 62 is matched with the second cavity 51, one end of the return guide post 62 is fixedly connected with the chassis 61, the other end of the return guide post 62 is inserted into the second cavity 51 and is slidably connected with the rocker 5, the washer 63 is positioned on the chassis 61, and one end of the return guide post 62 is positioned in the washer 63.

A plurality of fifth fixing blocks 621 are uniformly arranged on the return guide pillar 62, and the distance between two fifth fixing blocks 621 is matched with the fourth fixing block. When the return guide pillar 62 is installed in the rocker 5, the fourth fixing block and the fifth fixing block 621 are clamped with each other, and the distance between the two fifth fixing blocks 621 is slightly larger than the width of the fourth fixing block, so that the return guide pillar 62 can only slide up and down and cannot rotate, the return guide pillar 62 is ensured not to rotate due to shaking of other parts or interference of external factors, and the return precision of the rocker potentiometer in use is improved.

Referring to fig. 9, a fifth notch 71 matched with the lower rocker arm 3 and a third groove 72 matched with the housing 2 are arranged on the insert block 7; in this embodiment, the fifth notch 71 is a U-shaped notch, which improves the assembly accuracy. The other end of the lower rocker arm 3 penetrates through the fifth notch 71, so that the other end of the lower rocker arm 3 is fixedly installed between the shell 2 and the base 1, and the shell 2 is clamped with the third groove 72 and then installed on the base 1, so that the rocker potentiometer is more convenient to assemble, and the assembly precision is also ensured.

A tact switch 73 is further arranged between the insertion block 7 and the first bump 116, and the tact switch 73 is abutted against the other end of the lower rocker arm 3; by pressing the rocker 5, the rocker 5 drives the lower rocker 3 to move downwards, the lower rocker 3 extrudes the tact switch 73, so that the tact switch 73 is turned on, when the rocker 5 is stopped being pressed, the lower rocker 3 moves upwards, namely the lower rocker 3 does not extrude the tact switch 73 any more, so that the tact switch 73 is turned off, and the control of the rocker potentiometer is simpler.

The utility model relates to an accurate rocker potentiometer: one end of the lower rocker arm 3 is embedded with the second fixing block 112, the other end of the lower rocker arm 3 is placed on the first bump 116, the return component 6 is fixed in the rocker arm 5, then the rocker arm 5 is fixedly connected with the lower rocker arm 3, one end of the upper rocker arm 4 is embedded with the first fixing block 111, the other end of the upper rocker arm 4 is placed on the third fixing block 115, the insert block 7 is fixedly mounted on the base 1, the lower rocker arm 3 is fixed between the insert block 7 and the base 1, then the shell 2 is fixedly mounted on the base 1, and the upper rocker arm 4 is fixed between the shell 2 and the base 1, so that the assembly is convenient, and the assembly precision and the production efficiency are improved; the return guide post 62 matched with the rocker 5 is fixedly arranged in the rocker 5, so that the return guide post 62 can only slide up and down and cannot rotate, the return guide post 62 cannot move due to shaking of other parts or interference of external factors, and the return precision of the rocker potentiometer in use is improved.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.

Claims (10)

1. A precise rocker potentiometer is characterized by comprising a base, a shell, a lower rocker arm, an upper rocker arm, a rocker, a return component and an insert block, wherein the shell is fixedly installed on the base, a first cavity is arranged between the shell and the base, the lower rocker arm is fixedly installed on the base, the upper rocker arm is fixedly installed above the lower rocker arm, the rocker arm penetrates through the upper rocker arm and then is fixedly installed on the lower rocker arm, the return component is fixedly installed in the rocker arm, the insert block is fixedly installed on the base, and the insert block is located between the base and the shell;

a second cavity matched with the return assembly is formed in the rocker, and a plurality of fourth fixed blocks are uniformly arranged in the second cavity;

the return assembly comprises a base plate and a return guide pillar matched with the second cavity, one end of the return guide pillar is fixedly connected with the base plate, and the other end of the return guide pillar is inserted into the second cavity and is slidably connected with the rocker.

2. The precision rocker potentiometer according to claim 1, wherein the base comprises a bottom plate, a first fixing block and a second fixing block are fixedly mounted on the bottom plate, the first fixing block is fixedly connected with the front end of the bottom plate, the second fixing block is fixedly connected with the right end of the bottom plate, a first through hole matched with the upper rocker arm is formed in the first fixing block, a second through hole matched with the lower rocker arm is formed in the second fixing block, a third fixing block protrudes upwards from the rear end of the bottom plate, a first protruding block protrudes outwards from the left end of the bottom plate, and a first groove matched with the upper rocker arm is formed in the third fixing block.

3. A precision rocker potentiometer according to claim 2, wherein the bottom of the base plate is further provided with a circular ring along which the cylinders are uniformly and fixedly arranged.

4. A precision rocker potentiometer according to claim 2 or 3, wherein the front wall of the housing is provided with a first notch matching the first fixed block, the right wall of the housing is provided with a second notch matching the second fixed block, the rear wall of the housing is provided with a third notch matching the first protrusion, and the left wall of the housing is provided with a fourth notch matching the insert.

5. The precision rocker potentiometer according to claim 2 or 3, wherein one end of the lower rocker arm is provided with a second projection matched with the second through hole, the other end of the lower rocker arm is provided with a third projection, the other end of the lower rocker arm is fixedly connected with the insert block, and the two sides of the middle of the lower rocker arm are respectively provided with a third through hole matched with the rocker.

6. The precision rocker potentiometer according to claim 5, wherein the third protrusion has a stop, a circular arc surface and a circular arc inclined surface arranged from outside to inside.

7. The precision rocker potentiometer according to claim 2 or 3, wherein one end of the upper rocker arm is provided with a fourth bump matching the first through hole, and the other end of the upper rocker arm is provided with a fifth bump matching the first groove.

8. The precision rocker potentiometer according to any one of claims 1 to 3, wherein a plurality of fifth fixing blocks are uniformly arranged on the return guide pillar, and the distance between two fifth fixing blocks is matched with that of the fourth fixing block.

9. The precision rocker potentiometer according to claim 2 or 3, wherein a tact switch is further arranged between the insert block and the first bump, and the tact switch abuts against the other end of the lower rocker arm.

10. A precision rocker potentiometer according to any of claims 1-3, wherein the insert is provided with a fifth notch for mating with the lower rocker arm and a third recess for mating with the housing.

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