CN214588273U

CN214588273U - Flat rocker potentiometer

Info

Publication number: CN214588273U
Application number: CN202120510046.3U
Authority: CN
Inventors: 吴庆贤
Original assignee: Favor Electronics Dongguan Co ltd
Current assignee: Favor Electronics Dongguan Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-02
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a flattened rocker potentiometer, which comprises a base, wherein a face cover is arranged on the base, a rocker is arranged between the base and the face cover, a first annular bulge is fixed on the base, an annular spring is sleeved outside the first annular bulge, a disc is fixed outside the rocker, and the disc is sleeved in the annular spring; a second electric brush plate, a first electric brush plate, a circuit board, a lifting plate and a bottom plate are sequentially arranged below the base; the lifting plate is connected with the circuit board through a longitudinal spring, a guide pillar is fixed on the lifting plate, a third yielding hole and a guide hole are formed in the circuit board, the rocker penetrates through the third yielding hole, the guide pillar is connected in the guide hole in a sliding mode, and a conductive touch panel located above the third resistance layer is fixed on the guide pillar. The utility model discloses can effectively reduce overall structure's thickness, be provided with the trigger structure of liftable in the below of rocker, can realize the regulation of vertically pressing when realizing level (l) ing, the restricted condition of level and vertical regulation is few.

Description

Flat rocker potentiometer

Technical Field

The utility model relates to a potentiometre specifically discloses a rocker potentiometre of platyzization.

Background

A potentiometer is a resistive element with three terminals and a resistance value adjustable according to a certain variation law, and is generally composed of a resistive body and a movable brush, and when the brush moves along the resistive body, a resistance value or a voltage in a certain relation to a displacement is obtained at an output terminal. Potentiometers function in a circuit to obtain an output voltage that has a relationship to an input voltage and are therefore referred to as potentiometers.

The rocker potentiometer mainly comprises a rocker and brush modules which are arranged in a crossed mode, and output signals are adjusted by shifting the rocker, so that the regulation and control requirements are met. The rocker potentiometer is applied to electronic products such as an electronic game machine, a remote controller and the like, along with the continuous progress of the society, the flattening design concept of electronic devices is more and more popular, in the prior art, the rocker potentiometer which is in flattening design can only realize the adjustment in the horizontal direction, and the application limitation is large.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is necessary to provide a flattened rocker potentiometer which can simultaneously achieve horizontal adjustment and longitudinal pressing adjustment, and the overall structure can meet the requirement of a flattened design.

In order to solve the prior art problem, the utility model discloses a flattened rocker potentiometer, which comprises a base, wherein a face cover is arranged on the base, a rocker is arranged between the base and the face cover, a first abdicating hole is arranged in the base, a first annular bulge surrounding the first abdicating hole is fixed on the base, a circular ring-shaped spring is sleeved outside the first annular bulge, a second abdicating hole is arranged in the face cover, the rocker passes through the first abdicating hole and the second abdicating hole, a disc is fixed outside the rocker, and the disc is sleeved in the circular ring-shaped spring;

a second electric brush plate, a first electric brush plate, a circuit board, a lifting plate and a bottom plate are sequentially arranged below the base, a first guide groove is formed in the first electric brush plate, a second guide groove is formed in the second electric brush plate, a rocker penetrates through the first guide groove and the second guide groove, a first resistance layer, a second resistance layer and a third resistance layer are arranged on the circuit board, a first conductive elastic sheet is fixed at the bottom of the first electric brush plate, a second conductive elastic sheet is fixed at the bottom of the second electric brush plate, the first conductive elastic sheet is connected to the first resistance layer in a sliding mode, and the second conductive elastic sheet is connected to the second resistance layer in a sliding mode;

a first limiting groove and a second limiting groove are fixed below the base, a first limiting block which is connected in the first limiting groove in a sliding manner is fixed on the first electric brush plate, and a second limiting block which is connected in the second limiting groove in a sliding manner is fixed on the second electric brush plate;

the lifting plate is connected with the circuit board through a longitudinal spring, a guide pillar is fixed on the lifting plate, a third yielding hole and a guide hole are formed in the circuit board, the rocker penetrates through the third yielding hole, the guide pillar is connected in the guide hole in a sliding mode, a conductive touch panel located above the third resistance layer is fixed on the guide pillar, and the guide hole and the third resistance layer are located outside a region surrounded by the first resistance layer and the second resistance layer.

Furthermore, a second annular bulge surrounding the second yielding hole is fixed below the surface cover, and the annular spring is further sleeved outside the second annular bulge.

Furthermore, the sum of the thicknesses of the second annular bulge, the disc and the first annular bulge is D, and the thickness of the annular spring is D.

Furthermore, a rod cap is fixed at the top of the rocker and is positioned above the face cover.

Furthermore, a first elastic layer is fixed on the inner wall of the first guide groove, and a second elastic layer is fixed on the inner wall of the second guide groove.

Furthermore, a first transverse spring is connected between the first electric brush plate and the base, and a second transverse spring is connected between the second electric brush plate and the base.

Furthermore, the first resistance layer and the second resistance layer are both conductive metal layers covered with carbon film layers.

The utility model has the advantages that: the utility model discloses a flat rocking rod potentiometer directly wears to establish two brush boards through the rocker and accomplishes the potential control of horizontal direction, and the ring shape spring that the cooperation level was placed can effectively reduce overall structure's thickness, realizes the flat design, in addition, is provided with the trigger structure of liftable in the below of rocker, can realize the regulation of vertically pressing when realizing the level control, and the restricted condition of level and vertical regulation is few, and adjustable means is many, and the range of application is wide.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural view of the middle circuit board and the lifting board of the present invention.

Fig. 3 is a schematic view of the split structure of the present invention.

Fig. 4 is a schematic view of a split structure at another viewing angle of the present invention.

The reference signs are: the electric brush comprises a base 10, a first abdicating hole 11, a first annular bulge 12, a first limiting groove 13, a second limiting groove 14, a face cover 20, a second abdicating hole 21, a second annular bulge 22, a rocker 30, a disc 31, a rod cap 32, a circular ring spring 40, a first brush plate 50, a first guide groove 51, a first elastic layer 511, a first conductive elastic sheet 52, a first limiting block 53, a first transverse spring 54, a second brush plate 60, a second guide groove 61, a second elastic layer 611, a second conductive elastic sheet 62, a second limiting block 63, a second transverse spring 64, a circuit board 70, a third abdicating hole 701, a first resistance layer 71, a second resistance layer 72, a third resistance layer 73, a guide hole 74, a lifting plate 80, a longitudinal spring 81, a guide post 82, a conductive contact plate 83 and a bottom plate 90.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

Refer to fig. 1 to 4.

The embodiment of the utility model discloses a flattened rocker potentiometer, which comprises a base 10, a face cover 20 is arranged on the base 10, a rocker 30 is arranged between the base 10 and the face cover 20, a first abdicating hole 11 is arranged in the base 10, a first annular bulge 12 surrounding the first abdicating hole 11 is fixed on the base 10, preferably, the first annular bulge 12 and the base 10 are in an integrated structure, a circular ring spring 40 connected end to end is sleeved outside the first annular bulge 12, the circular ring spring 40 is horizontally arranged, a second abdicating hole 21 is arranged in the face cover 20, the rocker 30 passes through the first abdicating hole 11 and the second abdicating hole 21, a disc 31 is fixed outside the rocker 30, preferably, the disc 31 and the rocker 30 are in an integrated structure, the disc 31 is sleeved in the circular ring spring 40, when the rocker 30 moves, the moving direction side and the reverse side of the circular ring spring 40 respectively hook on the disc 31 and the first annular bulge 12, thereby forming an elastic restoring force, namely the first annular bulge 12 can realize effective limit on at least one side of the annular spring 40, and can ensure that the rocker 30 can realize reliable reset action when being horizontally pushed;

a second brush plate 60, a first brush plate 50, a circuit board 70, a lifting plate 80 and a bottom plate 90 are sequentially arranged below the base 10, the bottom plate 90 is fastened below the base 10, the second brush plate 60, the first brush plate 50, the circuit board 70 and the lifting plate 80 are limited between the base 10 and the bottom plate 90, the rocker 30 is positioned above the lifting plate 80, a first guide groove 51 is arranged in the first brush plate 50, a second guide groove 61 is arranged in the second brush plate 60, the first guide groove 51 is perpendicular to the second guide groove 61, the rocker 30 passes through the first guide groove 51 and the second guide groove 61, a first resistive layer 71, a second resistive layer 72 and a third resistive layer 73 are arranged on the circuit board 70, a first conductive elastic sheet 52 is fixed at the bottom of the first brush plate 50, a second conductive elastic sheet 62 is fixed at the bottom of the second brush plate 60, the first conductive elastic sheet 52 is slidably connected to the first resistive layer 71, the second conductive elastic sheet 62 is slidably connected to the second resistive layer 72, the circuit board 70 is further provided with a gold finger connected with the first resistance layer 71, the second resistance layer 72 and the third resistance layer 73, so that the rocker potentiometer can be conveniently in conductive connection with an adjustment object;

a first limiting groove 13 and a second limiting groove 14 which are perpendicular to each other are fixed below the base 10, a first limiting block 53 which is connected in the first limiting groove 13 in a sliding manner is fixed on the first electric brush plate 50, and a second limiting block 63 which is connected in the second limiting groove 14 in a sliding manner is fixed on the second electric brush plate 60, so that the motion track of the electric brush plate can be effectively limited, the horizontal motion of the rocker 30 can be effectively decomposed into the motion of the first electric brush plate 50 and the second electric brush plate 60, and the potential adjustment precision is high;

the lifting plate 80 is connected to the bottom of the insulation area of the circuit board 70 through a longitudinal spring 81, that is, two ends of the longitudinal spring 81 are respectively and fixedly connected to the lifting plate 80 and the circuit board 70, the longitudinal spring 81 is perpendicular to the circular ring spring 40, a guide post 82 is fixed on the lifting plate 80, a third abdicating hole 701 and a guide hole 74 are arranged in the circuit board 70, the rocker 30 passes through the third abdicating hole 701, the guide post 82 is slidably connected to the guide hole 74, a conductive contact plate 83 located above the third resistive layer 73 is fixed on the guide post 82, preferably, two guide posts 82 are arranged, a conductive circuit is connected between the two guide posts 82, two conductive contact plates 83 are arranged on the third resistive layer 73, when contacting the two conductive contact plates 83, the conductive contact plates are conducted to the two third resistive layers 73, the guide hole 74 and the third resistive layer 73 are both located outside the area surrounded by the first resistive layer 71 and the second resistive layer 72, that is, the guide hole 74 is located outside the area surrounded by the first resistive layer 71 and the second resistive layer 72, the third resistance layer 73 is also located outside the area surrounded by the first resistance layer 71 and the second resistance layer 72, so that the horizontal movement of the rocker 30 can be effectively prevented from being blocked by longitudinal adjusting structures such as the conductive contact plate 83, namely the movement of the first brush plate 50 and the second brush plate 60 by the guide post 82 is prevented from being blocked, the horizontal adjustment and the longitudinal adjustment of the rocker 30 can be simultaneously realized, and the application range is wide.

When the rocker 30 is pushed, the circular ring-shaped spring 40 moves along, under the action of the first annular protrusion 12, the circular ring-shaped spring 40 is pulled to form elastic restoring force to provide driving force for resetting, meanwhile, the first brush board 50 and the second brush board 60 also move along with the rocker 30, and corresponding potential adjusting effect is formed by the lost sliding of the first conductive elastic sheet 52 and the second conductive elastic sheet 62 on the first conductive layer and the second conductive layer respectively; after the rocker 30 is released, the rocker 30 is reset to the centers of the first and second abdicating

holes

11 and 21 under the action of the circular ring spring 40. When the rocker 30 is pressed, the rocker 30 pushes the lifting plate 80 to descend, the longitudinal spring 81 is stretched, the guide post 82 and the conductive contact plate 83 descend along with the rocker, and the conductive contact plate 83 is in contact with the third resistance layer 73 to form a corresponding potential trigger signal; after the rocker 30 is released, the lifting plate 80 is reset to rise under the action of the longitudinal spring 81, and the conductive contact plate 83 is separated from the third resistance layer 73.

In this embodiment, the face cover 20 is fixed with the second annular protrusion 22 surrounding the second yielding hole 21, the annular spring 40 is further sleeved outside the second annular protrusion 22, the annular spring 40 is positioned in an up-and-down manner, and the reliability of positioning the annular spring 40 can be effectively improved.

Based on the above-mentioned embodiment, the thickness sum of second annular arch 22, disc 31 and first annular arch 12 is D, and the thickness of ring spring 40 is D, and D is D, and ring spring 40 is reliably spacing outside first annular arch 12 and second annular arch 22, and when can effectively improve horizontal adjustment rocker 30, the reliability of action.

In this embodiment, a rod cap 32 is fixed on the top of the rocker 30, the rod cap 32 is located above the face cover 20, and the user can improve the use hand feeling by dialing the rocker 30 through the rod cap 32.

In this embodiment, the inner wall of the first guide groove 51 is fixed with a first elastic layer 511, the inner wall of the second guide groove 61 is fixed with a second elastic layer 611, preferably, the first elastic layer 511 and the second elastic layer 611 are both silica gel layers, and the elastic layer is arranged between the rocker 30 and the guide groove, so that the stability of the movement of the rocker 30 can be effectively improved, and the hand feeling of feedback for a user can be improved.

In this embodiment, be connected with first transverse spring 54 between the inner wall of first brush board 50 and base 10, first transverse spring 54 is perpendicular with first guide way 51, be connected with second transverse spring 64 between the inner wall of second brush board 60 and base 10, second transverse spring 64 is perpendicular with second guide way 61, can effectively improve the stability of two brush board activities through first transverse spring 54 and second transverse spring 64, can improve the feedback effect that rocker 30 formed to the user simultaneously, thereby improve user's operation experience, can also prolong the life of ring spring 40.

In this embodiment, the first resistance layer 71 and the second resistance layer 72 are both conductive metal layers covered with carbon films, and the carbon films have good wear resistance and lubrication performance, and can effectively reduce the loss caused by the relative sliding between the resistance layers and the conductive springs.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A flattened rocker potentiometer comprises a base (10), wherein a face cover (20) is arranged on the base (10), and a rocker (30) is arranged between the base (10) and the face cover (20), and is characterized in that a first abdicating hole (11) is formed in the base (10), a first annular bulge (12) surrounding the first abdicating hole (11) is fixed on the base (10), a circular ring spring (40) is sleeved outside the first annular bulge (12), a second abdicating hole (21) is formed in the face cover (20), the rocker (30) penetrates through the first abdicating hole (11) and the second abdicating hole (21), a disc (31) is fixed outside the rocker (30), and the disc (31) is sleeved in the circular ring spring (40);

a second electric brush plate (60), a first electric brush plate (50), a circuit board (70), a lifting plate (80) and a bottom plate (90) are sequentially arranged below the base (10), a first guide groove (51) is arranged in the first brush plate (50), a second guide groove (61) is arranged in the second brush plate (60), the rocker (30) passes through the first guide groove (51) and the second guide groove (61), a first resistance layer (71), a second resistance layer (72) and a third resistance layer (73) are arranged on the circuit board (70), a first conductive elastic sheet (52) is fixed at the bottom of the first electric brush plate (50), a second conductive elastic sheet (62) is fixed at the bottom of the second electric brush plate (60), the first conductive elastic sheet (52) is connected on the first resistance layer (71) in a sliding way, the second conductive elastic sheet (62) is connected to the second resistance layer (72) in a sliding mode;

a first limiting groove (13) and a second limiting groove (14) are fixed below the base (10), a first limiting block (53) which is connected in the first limiting groove (13) in a sliding manner is fixed on the first electric brush plate (50), and a second limiting block (63) which is connected in the second limiting groove (14) in a sliding manner is fixed on the second electric brush plate (60);

the lifting plate (80) is connected with the circuit board (70) through a longitudinal spring (81), a guide post (82) is fixed on the lifting plate (80), a third yielding hole (701) and a guide hole (74) are formed in the circuit board (70), the rocker (30) penetrates through the third yielding hole (701), the guide post (82) is connected in the guide hole (74) in a sliding mode, a conductive contact plate (83) located above the third resistance layer (73) is fixed on the guide post (82), and the guide hole (74) and the third resistance layer (73) are located outside a region surrounded by the first resistance layer (71) and the second resistance layer (72).

2. A flattened rocker potentiometer according to claim 1, characterized in that a second annular protrusion (22) surrounding the second relief hole (21) is fixed under the face cover (20), and the annular spring (40) is further sleeved outside the second annular protrusion (22).

3. A flattened rocker potentiometer according to claim 2, characterized in that the sum of the thicknesses of the second annular protrusion (22), the disc (31) and the first annular protrusion (12) is D, and the thickness of the annular ring spring (40) is D, D ═ D.

4. A flattened rocker potentiometer according to claim 1, characterized in that a rod cap (32) is fixed to the top of the rocker (30), said rod cap (32) being located above the face cover (20).

5. A flattened rocker potentiometer according to claim 1, characterized in that a first resilient layer (511) is fixed to the inner wall of the first guide slot (51) and a second resilient layer (611) is fixed to the inner wall of the second guide slot (61).

6. A flattened rocker potentiometer according to claim 1, characterized in that a first transverse spring (54) is connected between the first brush plate (50) and the base (10) and a second transverse spring (64) is connected between the second brush plate (60) and the base (10).

7. A flattened rocker potentiometer according to claim 1, characterized in that the first resistive layer (71) and the second resistive layer (72) are both conductive metal layers covered with a carbon film layer.