CN217902824U - Long terminal single-connection switch potentiometer - Google Patents

Abstract

The utility model relates to a switch potentiometer with a single-link long terminal, which comprises an axle center, an axle sleeve, a carbon diaphragm, an upper terminal, a brush, a rotor, a spring plate, a switch, a lower terminal and a switch board which are assembled from top to bottom, wherein the function of adjusting the electric potential is realized by driving the axle center, the rotor and the brush to rotate; the elastic sheet consists of an installation part and a movable part, the installation part is assembled on the right end of the switch and keeps conductive connection, and the movable part is driven by the movable sheet when being rotated to control the on-off between the left end of the switch and the right end of the switch so as to realize the on-off function of the switch; the upper terminal and the lower terminal are long terminals, and the special product installation of customers is met.

Description

Long terminal single-connection switch potentiometer

Technical Field

The utility model relates to a potentiometre technical field especially relates to an elongated terminal simply allies oneself with switch potentiometre.

Background

The patent of the Chinese utility model with the publication number of CN210271955U in the prior art discloses a push switch potentiometer, which comprises a handle and a shell; the handle is fixed inside the shell, the membrane is arranged inside the shell, the shell is internally provided with an electric brush matched with the membrane, the resistance value can be changed by rotating and adjusting the handle to be contacted with the membrane, the metal dome sheet is arranged inside the shell far away from one side of the membrane, the circuit board is arranged outside the metal dome sheet, and the metal dome sheet is connected with and disconnected from the circuit board through the pressing of the handle to play a role of switching; the handle adopts riveting bifurcation to clamp the movable plate and is fixed with the movable plate, and the inner end of the handle is provided with a spacer to prevent short circuit and enhance the elastic effect for the switch. Furthermore, the snap dome pressing mode is adopted for working, the volume is small, and the functions of pausing, starting, switching and the like are realized. According to the prior art, the pressing structure is used as the single-link switch of the circuit, so that the thickness of the whole potentiometer is large, the installation position with small installation thickness cannot be met, the realization mode of the single-link switch needs to be improved, the thickness of the whole potentiometer is reduced, the potentiometer does not have any visual feedback after being pressed in the prior art, and a user cannot directly know the on-off condition of the switch through senses such as sound.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to above-mentioned prior art not enough at least, provide an elongated terminal list allies oneself with area switch potentiometre.

The embodiment of the utility model provides a switch potentiometre is taken in single antithetical couplet of elongated terminal, it includes the axle center of top-down assembly, the axle sleeve, the carbon diaphragm, the upper end, the brush, the rotor, the shell fragment, the switch, lower terminal and switch board, the axle center passes the axle sleeve, the carbon diaphragm just assembles fixedly with the rotor, and axle center and rotor are rotatable, carbon diaphragm fixed assembly to the bottom surface of axle sleeve, the upper end assembly is fixed on the carbon diaphragm, and the upper end is connected with the resistance card electrically conductive that the lower surface of carbon diaphragm set up, the brush assembly is fixed on the upper surface of rotor, and the brush keeps in contact with the resistance card in order to form the conductive connection, through the rotation of drive axle center, rotor, brush in order to realize the potential regulation function; the switch consists of a switch left end and a switch right end and is assembled and fixed on the switch board, the lower terminal consists of a first lower terminal and a second lower terminal and is fixedly assembled on the switch board, the first lower terminal is in conductive connection with the switch left end, the second lower terminal is in conductive connection with the switch right terminal, the elastic sheet consists of an installation part and a movable part, the installation part is assembled on the switch right end and keeps in conductive connection, and the movable part is driven by the movable sheet to control the on-off between the switch left end and the switch right end so as to realize the on-off function of the switch; the upper terminal and the lower terminal are both long terminals.

In some embodiments, the shaft sleeve, the carbon diaphragm and the switch board are riveted and fixed by the shell.

In some embodiments, the shell is in a side-wrapping structure and surrounds the main body consisting of the shaft sleeve, the carbon diaphragm and the switch board, the head end and the tail end of the shell are fixedly held by the main body through riveting, and the top and the bottom of the shell extend out of an upper riveting portion and a lower riveting portion which are respectively riveted on the surface of the shaft sleeve and the bottom surface of the switch board.

In some embodiments, the carbon diaphragm has an upper riveting portion extending out of the housing and riveting with the upper terminal, the switch board has a lower riveting portion extending out of the housing and riveting with the lower terminal, and the riveting of the head and the tail of the housing is located between the upper riveting portion and the lower riveting portion.

In some of these embodiments, the upper terminal is comprised of a first upper terminal and a second upper terminal.

In some of these embodiments, the upper and lower terminals are each fixed by rivets.

In some embodiments, a boss is arranged in the center of the upper surface of the rotor, an assembly hole assembled and fixed with the shaft center is formed in the top surface of the boss, a positioning column used for assembling and fixing a brush is arranged on the upper surface of the rotor, and a shifting head used for driving the movable portion of the elastic sheet is arranged on the lower surface of the rotor.

In some embodiments, the right end of the switch extends to form a U-shaped arm, one end of the U-shaped arm extends to form a buckling position, the installation part of the elastic sheet is in a lantern ring shape and is sleeved and buckled at the buckling position for assembly, the left end of the switch extends to form an L-shaped arm, the L-shaped arm surrounds an opening of the U-shaped arm, the elastic sheet is in a U-shaped structure and is arranged along the U-shaped arm, and the elastic sheet enables the movable part to be in contact with the other end of the U-shaped arm under the action of the movable sheet to achieve disconnection and to enable the movable part to be in contact with the L-shaped arm to achieve conduction.

Compared with the prior art, the embodiment of the utility model provides an elongated terminal simply allies oneself with takes switch potentiometre, it is through adopting the axle center, the shell fragment, rotor and lower terminal combine to realize the simply connected rotary switch, can reduce the thickness of whole potentiometre, in order to be applicable to shallower installation position, and this simply allies oneself with rotary switch's function realization and advances to adopt the shell fragment to replace the switch cover for prior art, the shell fragment directly assembles with lower terminal, the assembly structure has been simplified and does the support for attenuate potentiometre thickness, upper terminal and lower terminal adopt elongated terminal, can satisfy special customer's installation requirement.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of other features, objects, and advantages of the invention.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an overall structure diagram of an elongated terminal single-gang switch potentiometer according to an embodiment of the present invention.

Fig. 2 is an exploded view of an elongated terminal single strip switch potentiometer according to an embodiment of the present invention.

Fig. 3 is an assembly structure view of the elastic sheet when the switch left end and the switch right end are switched on.

Fig. 4 is an assembly structure view of the elastic sheet when the switch left end and the switch right end are disconnected in the embodiment of the present invention.

In the figure, 1, axis; 2. a shaft sleeve; 3. a carbon membrane; 4. switching the left end; 5. a brush; 6. a moving plate; 7. a spring plate; 8. the right end of the switch; 9. a switch plate; 10. a boss; 11. an assembly hole; 12. positioning blocks; 13. positioning a groove; 14. a first upper terminal; 15. a second upper terminal; 16. a joint; 17. positioning holes; 18. a positioning column; 19. positioning the inserted column; 20. a first lower terminal; 21. a second lower terminal; 22. an installation part; 23. a movable portion; 24. buckling; 25. an upper riveting part; 26. a lower riveting portion; 27. an upper riveting part; 28. a lower riveting part; 29. a housing; 30. 31 and rivets.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number, but may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

As shown in fig. 1-2, the embodiment of the present invention provides an elongated terminal single strip switch potentiometer, which includes an axis 1, a shaft sleeve 2, a carbon diaphragm 3, an upper terminal, a brush 5, a rotor 6, a spring plate 7, a switch, a lower terminal, and a switch board 9 assembled from top to bottom, wherein the shaft sleeve 2, the carbon diaphragm 3, and the switch board 9 are directly riveted and fixed by a housing 29. Compared with the prior art, the use of the elastic sheet 7 instead of the switch sleeve simplifies the whole assembly structure and can reduce the thickness of the potentiometer. The upper terminal and the lower terminal of the present embodiment are both long terminals, and have a connection structure in a long and narrow shape.

In order to realize the potential adjusting function, the shaft center 1 of the present embodiment passes through the shaft sleeve 2 and the carbon diaphragm 3 and is assembled and fixed with the rotor 6, and the shaft center 1 and the rotor 6 can rotate, specifically, the bottom of the shaft center 1 is provided with a square insertion tongue, the center of the upper surface of the rotor 6 is provided with a boss 10, the top surface of the boss 10 is provided with a square assembly hole 11 assembled and fixed with the insertion tongue, so that the rotor 6 also synchronously rotates when the shaft center 1 is rotated. The bottom surface of the shaft sleeve 2 is provided with a positioning block 12, the side surface of the edge of the carbon membrane 3 is provided with a corresponding positioning groove 13, the positioning block 12 is embedded in the positioning groove 13, then under the riveting of the shell 29, the carbon membrane 3 is fixedly assembled to the bottom surface of the shaft sleeve 2, the upper terminal consists of a first upper terminal 14 and a second upper terminal 15 and is assembled and fixed on the carbon membrane 3 through a rivet 30, the upper terminals are in conductive connection with the resistor disc arranged on the lower surface of the carbon membrane 3, the brush 5 is in a C-shaped structure, one end of the brush 5 is provided with a connector 16 which is elastically pressed towards the direction of the resistor disc, the brush 5 is provided with two positioning holes 17, the upper surface of the moving disc 6 is provided with positioning columns 18, the brush 5 is sleeved on the positioning columns 18 through the positioning holes 17, so that the brush 5 is assembled and fixed on the upper surface of the moving disc 6, the brush 5 is in contact with the resistor disc to form conductive connection, the brush 5 in the C-shaped structure is surrounded on the periphery of the boss 10, and the moving disc 6 is rotated by driving the shaft center 1 to change the contact position of the brush 5 on the resistor disc to realize the potential regulation function. Above-mentioned potential regulatory function's structure realizes that overall structure is simple and the reliability is strong, can bring better performance and longer life for the long terminal list of this embodiment allies oneself with area switch potentiometre. For example, the rotation angle of the dial of the moving plate 6 is 50 degrees (based on a certain reference point), that is, the angle of the switch being turned on or off is 50 degrees. The positioning column 18 of the present embodiment is a cold riveting pressing flat rivet point, and after the brush 5 is sleeved on the positioning column 18 through the positioning hole 17, the positioning column 18 is riveted by a tool, so that the positioning column 18 is changed into a wide flat shape to fix the positioning hole 17.

In order to realize the on and off functions of the switch, the switch is composed of a switch left end 4 and a switch right end 8 and is assembled and fixed on the switch board 9 through respective positioning insertion columns 19, the positioning insertion columns 19 and the positioning columns 18 adopt the same scheme, the lower terminals are composed of a first lower terminal 20 and a second lower terminal 21 and are fixedly assembled on the switch board 9 through rivets 31, the first lower terminal 20 is in conductive connection with the switch left end 4, the second lower terminal 21 is in conductive connection with the switch right end 8, the elastic sheet 7 is composed of an installation part 22 and a movable part 23, the installation part 22 is assembled on the switch right end 8 and keeps in conductive connection, the lower surface of the movable sheet 6 is provided with a shifting head for driving the movable part 23 of the elastic sheet 7, and the movable part 23 is driven by the movable sheet 6 when being rotated to control the on and off between the switch left end 4 and the switch right end 8, so as to realize the single-connection control function. Switch right-hand member 8 extends there is the U-shaped arm, extend out a knot position 24 at the one end of this U-shaped arm, the installation department 22 of shell fragment 7 is lantern ring shape cover knot and detains in knot position 24 with the assembly, can make installation department 22 have certain elasticity in knot position 24 department, thereby make the activity of cooperation movable part 23 produce corresponding aversion in order to improve the flexibility of shell fragment 7, thereby improve the reliability of switch break-make, switch left end 4 extends has the L-shaped arm, this L-shaped arm encloses the opening of establishing the U-shaped arm, shell fragment 7 is the U-shaped structure and disposes along the U-shaped arm, the one end of the shell fragment 7 of U-shaped structure is installation department 22 and the other end is movable part 23, shell fragment 7 makes movable part 23 and the other end contact realization disconnection of this U-shaped arm and makes movable part 23 and L-shaped arm contact realization switch-on under the effect of rotor 6, specifically, when rotor 6 keeps the closed position, the setting aside can suppress movable part 23 and make movable part 23 and switch left end 4 keep the non-contact state, when rotor 6 rotates from the position of switch, thereby the switch 23 can all the switching sound of switch 4 and the switching-off and the elastic switch 4 switching sound of left-right-side switch, thereby can the switching sound can be sent out the switching power of the switching-on the switch, thereby the switching left-off.

In order to enhance the structural reliability of the integrated long terminal single-link switch potentiometer, the housing 29 of the embodiment is a side-wrapping structure surrounding the main body consisting of the shaft sleeve 2, the carbon diaphragm 3 and the switch board 9, the head end and the tail end of the housing 29 are fixed by riveting and tightly clasping the main body, and the top and the bottom of the housing 29 extend out of an upper riveting portion 25 and a lower riveting portion 26 which are respectively riveted on the surface of the shaft sleeve 2 and the bottom surface of the switch board 9. The carbon diaphragm 3 has an upper riveting part 27 extending out of the shell 29 and riveted with the upper terminal, the switch board 9 has a lower riveting part 28 extending out of the shell 29 and riveted with the lower terminal, the riveting of the head and the tail of the shell 29 is positioned between the upper riveting part 27 and the lower riveting part 28, in the embodiment, the upper riveting part 27 and the lower riveting part 28 on the carbon diaphragm 3 and the switch board 9 are extended, firstly, the upper riveting terminal and the lower riveting terminal have enough space, and secondly, the riveting positions of the head and the tail of the shell 29 are hidden between the upper riveting part 27 and the lower riveting part 28, so that the integral surface structure is smoother. In order to rivet the carbon membrane 3 and the switch plate 9 with the rivets, corresponding holes are respectively arranged.

The utility model discloses theory of operation of embodiment: the rotating shaft center 1 drives the moving plate 6, and the brush 5 on the moving plate 6 changes the size of the contacted resistance card when the carbon diaphragm 3 rotates and is output to the outside through the upper terminal; when the shaft center 1 rotates to the leftmost end, the switch is in a closed state, when the shaft center 1 rotates rightwards, the switch is turned on, the clicking sound of the clicking switch is heard at the same time, a user is reminded that the switch is in an opened state, the switch can be turned off by rotating in the opposite direction, the clicking sound is accompanied, and the shaft center 1 cannot rotate continuously after rotating in place to the left side.

It should be understood by those skilled in the art that various features of the above-described embodiments can be combined in any combination, and for the sake of brevity, all possible combinations of features in the above-described embodiments are not described in detail, but rather, all combinations of features which are not inconsistent with each other should be construed as being within the scope of the present disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the 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 (8)

1. The long terminal single-strip switch potentiometer is characterized by comprising an axis (1), a shaft sleeve (2), a carbon diaphragm (3), an upper terminal, a brush (5), a moving plate (6), an elastic sheet (7), a switch, a lower terminal and a switch board (9) which are assembled from top to bottom, wherein the axis (1) penetrates through the shaft sleeve (2) and the carbon diaphragm (3) and is assembled and fixed with the moving plate (6), the axis (1) and the moving plate (6) can rotate, the carbon diaphragm (3) is fixedly assembled to the bottom surface of the shaft sleeve (2), the upper terminal is assembled and fixed on the carbon diaphragm (3) and is in conductive connection with a resistance sheet arranged on the lower surface of the carbon diaphragm (3), the brush (5) is assembled and fixed on the upper surface of the moving plate (6), the brush (5) is in contact with the resistance sheet to form conductive connection, and the function of potential regulation is realized by driving the rotation of the axis (1), the moving plate (6) and the brush (5); the switch is composed of a switch left end (4) and a switch right end (8) and is assembled and fixed on the switch board (9), the lower terminal is composed of a first lower terminal (20) and a second lower terminal (21) and is fixedly assembled on the switch board (9), the first lower terminal (20) is in conductive connection with the switch left end (4), the second lower terminal (21) is in conductive connection with the switch right end (8), the elastic sheet (7) is composed of an installation part (22) and a movable part (23), the installation part (22) is assembled on the switch right end (8) and keeps in conductive connection, and the movable part (23) is driven by the movable sheet (6) when being rotated to control the on-off between the switch left end (4) and the switch right end (8) so as to realize the on-off function of the switch; the upper terminal and the lower terminal are both long terminals.

2. The elongated terminal single strip switch potentiometer according to claim 1, characterized in that the shaft sleeve (2), the carbon diaphragm (3) and the switch board (9) are riveted and fixed by a shell (29).

3. The elongated terminal single strip switch potentiometer according to claim 2, wherein the housing (29) is in a side-wrapping structure and surrounds the main body consisting of the shaft sleeve (2), the carbon diaphragm (3) and the switch board (9), the head end and the tail end of the housing (29) are fastened to the main body through riveting, and an upper riveting portion (25) and a lower riveting portion (26) which are riveted on the surface of the shaft sleeve (2) and the bottom surface of the switch board (9) respectively extend from the top and the bottom of the housing (29).

4. The elongated terminal single strip switch potentiometer according to claim 3, wherein the carbon diaphragm (3) has an upper riveting portion (27) extending out of the housing (29) and riveted to the upper terminal, the switch board (9) has a lower riveting portion (28) extending out of the housing (29) and riveted to the lower terminal, and the riveting of the head and the tail of the housing (29) is located between the upper riveting portion (27) and the lower riveting portion (28).

5. An elongated terminal single strip switch potentiometer according to claim 1, characterized in that the upper terminal consists of a first upper terminal (14) and a second upper terminal (15).

6. The single gang switch potentiometer according to claim 1, wherein the upper and lower terminals are fixed by rivets.

7. The elongated terminal single-strip switch potentiometer according to claim 1, wherein the center of the upper surface of the rotor (6) is provided with a boss (10), the top surface of the boss (10) is provided with an assembly hole (11) assembled and fixed with the shaft center (1), the upper surface of the rotor (6) is provided with a positioning column (18) for assembling and fixing the brush (5), and the lower surface of the rotor (6) is provided with a shifting head for driving the movable part (23) of the spring plate (7).

8. The long terminal single-link switch potentiometer according to claim 1, wherein a U-shaped arm extends from the right end (8) of the switch, a buckling position (24) extends from one end of the U-shaped arm, the mounting portion (22) of the spring (7) is sleeved and buckled at the buckling position (24) in a lantern ring shape for assembly, an L-shaped arm extends from the left end (4) of the switch, the L-shaped arm surrounds an opening of the U-shaped arm, the spring (7) is configured along the U-shaped arm in a U-shaped structure, and the spring (7) enables the movable portion (23) to be in contact with the other end of the U-shaped arm to be disconnected and the movable portion (23) to be in contact with the L-shaped arm to be connected under the action of the moving plate (6).

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