CN213483502U

CN213483502U - Simply connected potentiometer

Info

Publication number: CN213483502U
Application number: CN202022483677.9U
Authority: CN
Inventors: 沈小平
Original assignee: Foshan Xingshun Electronics Co ltd
Current assignee: Foshan Xingshun Electronics Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-18
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a potentiometre technical field especially relates to a simply connected potentiometer, including potentiometre body, axle sleeve, swivel nut, fastening nut and sealed fastening component, axle sleeve fixed connection is in one side of potentiometre body, the through-hole has been seted up at the middle part of axle sleeve, the swivel nut rotates the inside of connecting at the through-hole, the fastening nut screw thread cup joints the surface at the swivel nut, sealed fastening component activity cup joints the surface at the swivel nut. The utility model discloses fastening nut can promote elasticity support block to the extrusion of gasket for elasticity support block and circuit contact are fixed the circuit, and elasticity support block is rich in elasticity, also can closely contact with the circuit when fastening nut is not hard up, has improved the stability of contact, has guaranteed the result of use of single-gang potentiometer, and simultaneously, the seal cover can be acceptd the joint of circuit inside it, can prevent the invasion of external aqueous vapor or dust, has sealed effect.

Description

Simply connected potentiometer

Technical Field

The utility model relates to a potentiometre technical field especially relates to a simply connected potentiometer.

Background

The potentiometer is a resistance element with three leading-out terminals and adjustable resistance according to a certain variation rule, and is generally composed of a resistor body and a movable brush, when the brush moves along the resistor body, the resistance value or voltage in a certain relation with displacement is obtained at the output terminal, the potentiometer can be used as a three-terminal element or a two-terminal element, and the latter can be regarded as a variable resistor, and the potentiometer is called as a potentiometer because the potentiometer has the function of obtaining an output voltage in a certain relation with an input voltage in a circuit.

When the existing single-link potentiometer is connected, the circuit of the single-link potentiometer is fixed by adopting the extrusion of the fastening nut, in the using process, the external vibration can cause the fastening nut to be loosened, the phenomenon of unstable contact can occur, and the using effect of the single-link potentiometer is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a singly link potentiometre possesses the advantage of sealed fastening, has solved external vibration and can make fastening nut not hard up, can appear contacting unstable phenomenon, has influenced the problem of singly linking potentiometre result of use.

In order to realize the technical problem, the utility model provides such singly link potentiometre, including potentiometre body, axle sleeve, swivel nut, fastening nut and sealed fastening component, axle sleeve fixed connection is in one side of potentiometre body, the through-hole has been seted up at the middle part of axle sleeve, the swivel nut rotates the inside of connecting at the through-hole, the fastening nut screw thread cup joints the surface at the swivel nut, sealed fastening component activity cup joints the surface at the swivel nut, and sealed fastening component is located between fastening nut and the potentiometre body, the inside of swivel nut is pegged graft and is had the axle core, the breach has been seted up at the middle part of axle core, and the shape of breach is the bar form.

The sealing and fastening assembly comprises a gasket, an elastic pressing block and a sealing sleeve, one side of the gasket is in contact with the side face of the fastening nut, the elastic pressing block is fixedly connected to the other side of the gasket, and the sealing sleeve is movably sleeved on the outer surface of the elastic pressing block.

Furthermore, through holes are formed in the middle of the gasket and the middle of the elastic pressing block, and the gasket and the elastic pressing block are movably sleeved on the outer surface of the threaded sleeve.

Furthermore, a carbon sheet is fixedly connected between the shell of the potentiometer body and the shaft sleeve, and one end of the shaft core penetrates through the threaded sleeve and is rotatably connected with the carbon sheet.

Furthermore, the bottom of the carbon sheet in the potentiometer body is fixedly connected with a terminal, and the terminal is perpendicular to the shaft core.

Furthermore, one side of the shaft core is provided with a notch, and the notch is crescent.

Borrow by above-mentioned technical scheme, the utility model provides a simply connected potentiometer possesses following beneficial effect at least:

1. this singly ally oneself with potentiometre, through sealed fastening assembly's setting, fastening nut can promote elasticity support block to the extrusion of gasket, make elasticity support block and circuit contact, fix the circuit, elasticity support block is rich in elasticity, also can closely contact with the circuit when fastening nut is not hard up, the stability of contact has been improved, the result of use of singly joining together potentiometre has been guaranteed, and simultaneously, the seal cover can be acceptd the joint of circuit inside it, can prevent the invasion of external aqueous vapor or dust, sealed effect has.

2. This simply ally oneself with potentiometre through the setting of axle core, rotates the axle core, can be so that the inside brush of potentiometre body relative slip on the carbon chip, is convenient for adjust the resistance value of potentiometre body, and the different shapes setting of breach can make things convenient for the axle core to be connected with different electrical components to play spacing effect, guarantee the convenience of its installation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

fig. 1 is a front view of an embodiment of the present invention;

fig. 2 is a side right view of a structure according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the sealing and fastening assembly of the present invention;

FIG. 4 is a front view of the second embodiment of the present invention;

fig. 5 is a right side view of a second structure according to an embodiment of the present invention.

In the figure: 1. a potentiometer body; 2. a shaft sleeve; 3. a through hole; 4. a threaded sleeve; 5. fastening a nut; 6. a seal fastening assembly; 601. a gasket; 602. an elastic pressing block; 603. sealing sleeves; 604. a through hole; 7. a shaft core; 8. a notch; 9. and a terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

The invention will be further described with reference to fig. 1-5 and the examples.

The first embodiment is as follows:

the utility model provides a simply connected potentiometer, including potentiometre body 1, the axle sleeve 2, the swivel nut 4, fastening nut 5 and sealed

fastening component

6, 2 fixed connection of axle sleeve is in one side of potentiometre body 1, through-hole 3 has been seted up at the middle part of axle sleeve 2, swivel nut 4 rotates the inside of connecting at through-hole 3, fastening nut 5 screw thread cup joints the surface at swivel nut 4, the surface at swivel nut 4 is cup jointed in the activity of sealed fastening component 6, and sealed fastening component 6 is located between fastening nut 5 and the potentiometre body 1, the inside grafting of swivel nut 4 has axle core 7, the middle part of axle core 7 is seted up jaggedly, and the shape of breach is the bar form.

The sealing fastening assembly 6 comprises a gasket 601, an elastic pressing block 602 and a sealing sleeve 603, one side of the gasket 601 is in contact with the side face of the fastening nut 5, the elastic pressing block 602 is fixedly connected to the other side of the gasket 601, the sealing sleeve 603 is movably sleeved on the outer surface of the elastic pressing block 602, through holes are formed in the middle parts of the gasket 601 and the elastic pressing block 602, and the gasket 601 and the elastic pressing block 602 are movably sleeved on the outer surface of the threaded sleeve 4.

Fixedly connected with carbon piece between the shell of potentiometre body 1 and axle sleeve 2, the one end of axle core 7 is passed swivel nut 4 and is rotated with the carbon piece and be connected, the inside carbon piece bottom fixedly connected with terminal 9 of potentiometre body 1, and terminal 9 sets up with axle core 7 is perpendicular.

The shell, the threaded sleeve 4, the fastening nut 5 and the shaft core 7 of the potentiometer body 1 are all made of ABS (acrylonitrile butadiene styrene) plastics or polycarbonate plastics, so that the single-connection potentiometer is lighter, logistics and packaging expenses can be reduced, all installation sizes and electrical properties can replace the original metal single-connection potentiometer, the electrical properties are consistent, the size of a part is stable and the part is not deformed, automatic production is easy, and the cost is reduced.

Through the setting of sealed fastening subassembly 6, fastening nut 5 can promote elasticity support block 602 to the extrusion of gasket 601, make elasticity support block 602 and circuit contact, fix the circuit, elasticity support block 602 is rich in elasticity, also can closely contact with the circuit when fastening nut 5 is not hard up, the stability of contact has been improved, the result of use of simply connected potentiometer has been guaranteed, and simultaneously, seal cover 603 can be acceptd the joint of circuit inside it, can prevent the invasion of external aqueous vapor or dust, sealed effect has.

Example two:

the utility model provides a singly link potentiometre, including potentiometre body 1, axle sleeve 2, swivel nut 4, fastening nut 5 and sealed

fastening component

6, 2 fixed connection in one side of potentiometre body 1 of axle sleeve, through-hole 3 has been seted up at the middle part of axle sleeve 2, swivel nut 4 rotates the inside of connecting at through-hole 3, fastening nut 5 screw thread cup joints the surface at swivel nut 4, sealed fastening component 6 activity cup joints the surface at swivel nut 4, and sealed fastening component 6 is located between fastening nut 5 and the potentiometre body 1, the inside grafting of swivel nut 4 has axle core 7, breach 8 is seted up to one side of axle core 7, the shape of breach 8 is crescent.

Through the setting of axle core 7, rotate axle core 7, can be so that the inside brush of potentiometre body 1 relatively slides on the carbon piece, be convenient for adjust potentiometre body 1's resistance value, and the different shapes setting of breach 8 can make things convenient for axle core 7 to be connected with different electrical components to play spacing effect, guarantee the convenience of its installation.

In summary, through the arrangement of the sealing fastening assembly 6, the elastic pressing block 602 is pushed by the fastening nut 5 to press the gasket 601, so that the elastic pressing block 602 is in contact with the circuit to fix the circuit, the elastic pressing block 602 is elastic, and can be in close contact with the circuit when the fastening nut 5 is loosened, thereby improving the contact stability, ensuring the use effect of the single-link potentiometer, and meanwhile, the sealing sleeve 603 can accommodate the joint of the circuit therein to prevent the invasion of external moisture or dust, thereby having the sealing effect.

The single-link potentiometer provided by the utility model is described in detail above. The utility model discloses it is right to have used specific individual example the utility model discloses a principle and implementation have been elucidated, and the explanation of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a singly link potentiometre, includes potentiometre body (1), axle sleeve (2), swivel nut (4), fastening nut (5) and sealed fastening components (6), its characterized in that: the potentiometer comprises a potentiometer body (1), a shaft sleeve (2), a through hole (3), a threaded sleeve (4), a fastening nut (5), a sealing fastening component (6), a shaft core (7), a notch (8), a strip-shaped notch (8), a clamping nut (5) and a clamping nut (6), wherein the shaft sleeve (2) is fixedly connected to one side of the potentiometer body (1), the through hole (3) is formed in the middle of the shaft sleeve (2), the threaded sleeve (4) is rotatably connected to the inside of the through hole (3), the fastening nut (5) is in threaded sleeve connection with the outer surface of the threaded sleeve (4), the sealing fastening component (6) is movably sleeve connected to the outer surface of the threaded sleeve (4), the sealing fastening component (6) is located between the fastening nut (5) and the;

the sealing and fastening assembly (6) comprises a gasket (601), an elastic pressing block (602) and a sealing sleeve (603), one side of the gasket (601) is in contact with the side face of the fastening nut (5), the elastic pressing block (602) is fixedly connected to the other side of the gasket (601), and the sealing sleeve (603) is movably sleeved on the outer surface of the elastic pressing block (602).

2. A single-gang potentiometer according to claim 1, characterized in that: through holes are formed in the middle of the gasket (601) and the middle of the elastic pressing block (602), and the gasket (601) and the elastic pressing block (602) are movably sleeved on the outer surface of the threaded sleeve (4).

3. A single-gang potentiometer according to claim 1, characterized in that: the carbon sheet is fixedly connected between the shell of the potentiometer body (1) and the shaft sleeve (2), and one end of the shaft core (7) penetrates through the threaded sleeve (4) and is rotatably connected with the carbon sheet.

4. A single-gang potentiometer according to claim 1, characterized in that: the bottom of the carbon sheet in the potentiometer body (1) is fixedly connected with a terminal (9), and the terminal (9) is perpendicular to the shaft core (7).

5. A single-gang potentiometer according to claim 1, characterized in that: a notch (8) is formed in one side of the shaft core (7), and the notch (8) is crescent-shaped.