CN218471693U

CN218471693U - Adjustable potentiometer

Info

Publication number: CN218471693U
Application number: CN202222609237.2U
Authority: CN
Inventors: 刘素华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-10
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses an adjustable potentiometer relates to potentiometre technical field, including the potentiometre body, the upside of potentiometre body is provided with the bull stick, and the bottom fixedly connected with adapter sleeve of bull stick, the outside symmetric connection of adapter sleeve has the support frame, and one of them is a set of the bottom fixedly connected with sliding block of support frame, the upside fixedly connected with fixed block of potentiometre body, the ring channel with sliding block looks adaptation is seted up to the inside of fixed block, and the fixed articulated blotter that has of inner wall of ring channel. The utility model discloses a be provided with sliding block and cushion, through the elastic characteristic that cushion self possessed, when the realization is to the bull stick restriction, can rotate the bull stick and absorb to the power that produces to the realization is provided with stopper and connecting block to the protection of potentiometre body internal member, prevents that the staff mistake from bumping the bull stick and leading to its production rotatory, prevents promptly that the instrument voltage that is connected with the potentiometre from changing.

Description

Adjustable potentiometer

Technical Field

The utility model relates to a potentiometre technical field especially relates to an adjustable potentiometre.

Background

The potentiometer is a resistance element with three leading-out terminals and adjustable resistance according to a certain variation rule, when the electric 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 is one of the variable resistors and usually consists of the resistor body and a rotating or sliding system, namely, the resistor body moves on a movable contact to obtain partial voltage output, and the main function of the potentiometer is to adjust the magnitude of the voltage and the current

When the existing potentiometer is used, the rotating shaft is mainly adjusted manually by a worker, so that the position of a moving contact on the resistor body is changed, namely the voltage and the current are changed, the worker often has the over-rotation condition when adjusting the voltage due to the fact that the rotating angle of the potentiometer is smaller than three hundred and sixty degrees, and the long-term repeated over-rotation can damage elements inside the potentiometer, so that the service life of the potentiometer can be shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable potentiometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an adjustable potentiometer, includes the potentiometre body, the upside of potentiometre body is provided with the bull stick, and the bottom fixedly connected with adapter sleeve of bull stick, the outside symmetric connection of adapter sleeve has the support frame, and one of them is a set of the bottom fixedly connected with sliding block of support frame, the upside fixedly connected with fixed block of potentiometre body, the ring channel with sliding block looks adaptation is seted up to the inside of fixed block, and the fixed articulated blotter that has of inner wall of ring channel.

In the device, through the mutual matching of the sliding block and the buffer pad, the force in the rotating process of the rotating rod can be buffered and absorbed, so that the protection work of the potentiometer body is realized.

Preferably, the piece is inhaled to the end position fixedly connected with magnetism of blotter, and the piece is inhaled to magnetism and be provided with two sets ofly, another group the piece fixed connection is inhaled in the outside of sliding block to magnetism, and the setting of piece is inhaled to two sets of magnetism, can effectively promote the protection effect to the potentiometre body.

Preferably, the slot hole has been seted up to the inside of sliding block, and the inside block in slot hole has the stopper, the upper and lower both ends symmetric connection of stopper has the connecting block, and the outside transverse connection of connecting block has a connecting spring, the other end of connecting spring and the inner wall fixed connection in slot hole, the inside block of adapter sleeve has the butt joint piece, and the bottom of butt joint piece inserts the inside of establishing to the potentiometre body, and stopper and connecting spring mutually support, can realize the spacing to the bull stick.

Preferably, the longitudinal section of the butt joint block is set to be of a square structure, the outer side of the butt joint block is in contact with the inner wall of the connecting sleeve, and the butt joint block arranged through the square structure can realize simultaneous rotation of the rotating rod and the butt joint block.

Preferably, the outside fixedly connected with of bull stick instructs the piece, the fixed veneer in the outside of bull stick has the protective sheath, and the surface of protective sheath has seted up anti-skidding line, through the setting of instructing the piece protective sheath, can be convenient for the staff and rotate the bull stick.

Preferably, the outside of stopper sets up to the inclined structure, the inside of fixed block evenly sets up the spacing groove with stopper looks adaptation, because the stopper sets up to the inclined structure to can be convenient for the staff operation.

Preferably, the outer sides of the butt joint blocks are symmetrically connected with guide blocks, the inner wall of the connecting sleeve is provided with a sliding groove matched with the guide blocks, and the guide blocks and the sliding groove are matched with each other to guide the connecting sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is through being provided with sliding block and cushion, because the blotter sets up to the rubber material, at bull stick pivoted in-process, then can make the sliding block constantly be close to and contact mutually with the blotter, when the knob reaches maximum spacing, through the elastic characteristic that blotter self possessed, and the cooperation has the setting of magnetism to inhale the piece, when the realization is to the bull stick restriction, can rotate the power that produces and absorb to the realization is to potentiometre body inner member's protection.

2. The device can realize the spacing work to the bull stick through being provided with stopper and connecting block, at stopper and coupling spring's mutually supporting to prevent that the staff from bumping the bull stick and leading to it to produce rotatoryly, prevent promptly that the instrument voltage who is connected with the potentiometre from changing, guarantee staff's normal use promptly.

Drawings

Fig. 1 is a schematic perspective view of an adjustable potentiometer according to the present invention;

FIG. 2 is a schematic perspective sectional view of the support frame and the docking block shown in FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

fig. 4 is a schematic perspective sectional view of the cushion pad and the magnetic attraction block shown in fig. 1.

In the figure: 1. a potentiometer body; 2. a rotating rod; 3. connecting sleeves; 4. a support frame; 5. a slider; 6. a groove hole; 7. a limiting block; 8. connecting blocks; 9. a connecting spring; 10. an annular groove; 11. a fixed block; 12. a butt joint block; 13. a guide block; 14. a cushion pad; 15. a magnetic suction block; 16. and (6) a protective sleeve.

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.

Referring to fig. 1-4, an adjustable potentiometer comprises a potentiometer body 1, wherein a rotating rod 2 is arranged on the upper side of the potentiometer body 1, a connecting sleeve 3 is fixedly connected to the bottom end of the rotating rod 2, supporting frames 4 are symmetrically connected to the outer side of the connecting sleeve 3, a sliding block 5 is fixedly connected to the bottom end of one group of the supporting frames 4, a fixed block 11 is fixedly connected to the upper side of the potentiometer body 1, an annular groove 10 matched with the sliding block 5 is formed in the fixed block 11, a buffering cushion 14 is fixedly hinged to the inner wall of the annular groove 10, the angle of the buffering cushion 14 is equal to the rotation angle of the potentiometer body 1 subtracted by three hundred sixty degrees, and therefore protection of the potentiometer body 1 is achieved.

Further, can learn with reference to fig. 4, piece 15 is inhaled to the fixedly connected with magnetism of the end position department of blotter 14, and inhale piece 15 and be provided with two sets ofly altogether, another group inhale piece 15 fixed connection inhale the outside at sliding block 5, when using, piece 15 is inhaled with magnetism that the sliding block 5 outside is connected to magnetism that the blotter 14 outside is connected, when the magnetism of two sets of opposite magnetic poles is inhaled piece 15 and is contacted, utilize blotter 14 can realize the buffering to the impact force, the phenomenon that repels each other can appear simultaneously, further realize the protection to potentiometre body 1, and make sliding block 5 remove to in the spacing groove that is close to mutually with blotter 14.

Further, refer to fig. 3 and 4 and learn, slot hole 6 has been seted up to the inside of sliding block 5, and the inside block of slot hole 6 has stopper 7, stopper 7's upper and lower both ends symmetric connection has connecting block 8, and connecting block 8's outside transverse connection has connecting spring 9, connecting spring 9's the other end and the inner wall fixed connection of slot hole 6, the inside block of adapter sleeve 3 has butt joint piece 12, and the bottom of butt joint piece 12 is inserted and is established to the inside of potentiometre body 1, when using, through stopper 7 and connecting spring 9 mutually supporting, can realize spacing to bull stick 2, because sliding block 5 has certain interval with ring channel 10, thereby can drive shifting up of bull stick 2, in order to guarantee the normal rotation of bull stick 2.

Further, as can be known from fig. 1 and 2, the longitudinal section of the butt-joint block 12 is configured to be a square structure, the outer side of the butt-joint block 12 contacts the inner wall of the connecting sleeve 3, and the butt-joint block 12 configured by the square structure can prevent the connecting sleeve 3 from idling.

Further, can learn with reference to fig. 1, the outside fixedly connected with of bull stick 2 instructs the piece, and the fixed veneer in the outside of bull stick 2 has protective sheath 16, and protective sheath 16's surface has seted up anti-skidding line, through the setting of instructing the piece, can be convenient for the staff to survey the rotation direction, and the cooperation has mutually supporting of protective sheath 16 and anti-skidding line, can effectively prevent that the staff from appearing the phenomenon of hand cunning at the in-process of rotating bull stick 2.

Further, refer to fig. 3 and learn, the outside of stopper 7 sets up to the slope structure, and the inside of fixed block 11 evenly sets up the spacing groove with 7 looks adaptations of stopper, because the upside of stopper 7 sets up to the slope structure, therefore when the staff upwards stimulates stopper 7, can make its embedded among the slot hole 6, need not the manual removal that stimulates stopper 7 of staff, can effectively promote the convenience in this device use.

Further, as can be known from fig. 2, the outer sides of the butt-joint blocks 12 are symmetrically connected with the guide blocks 13, and the inner wall of the connecting sleeve 3 is provided with a sliding groove matched with the guide blocks 13. Through the mutual cooperation of guide block 13 and spout, can realize the guide to adapter sleeve 3 to can effectively promote the reliability in this device use.

The working principle is as follows: the utility model discloses when using, the staff can be at first be connected the cable of connecting device with the wiring end that sets up on the potentiometre body 1, when needs adjust voltage, the staff can be through upwards pulling bull stick 2, thereby drive adapter sleeve 3 simultaneous rebound, sliding block 5 that the adapter sleeve 3 outside is connected can lift on the atress this moment, because the outside of stopper 7 sets up to the slope structure, the in-process of lifting on sliding block 5, stopper 7 can embed in the inside at notch 6, the staff can rotate bull stick 2 this moment, thereby make sliding block 5 slide along the inner wall of ring channel 10, when adjusting voltage to the maximum value, sliding block 5 magnetic attraction piece 15 that the outside is connected can be close to with the magnetic attraction piece 15 of being connected with the blotter 14 outside mutually, when the two magnetic attraction piece 15 contacts, the cooperation has the setting of blotter 14, can realize the protection to potentiometre body 1, and because the magnetic attraction piece 15 of two groups is opposite, thereby can make the magnetic attraction piece 15 that the outside of connecting piece and the magnetic attraction piece 15 of 5 outside of stopper 5 outside connection mutually repel each other phenomenon appear, thereby can prevent the slider 7 and the slider of the slider and the effective magnetic attraction of stopper 5 magnetic attraction of stopper and the slider and the magnetic attraction piece 2 of stopper 5 from pressing down through the cooperation of the slider principle, thereby the slider can prevent to the slider of displacement principle of displacement between this stopper 7 and the slider, thereby the slider 7 and the slider, the slider of stopper 5, the slider principle of the slider, the slider can prevent the slider from the cooperation of the slider from appearing mutually.

The utility model discloses in, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical system to the concrete structure, model and the coefficient index of all parts thereof are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary detail.

The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all should be included in the protection scope of the present invention.

In the present invention, unless otherwise specified, the terms "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like used in the terms refer to the orientation of the terms in the conventional usage, or are colloquially understood by those skilled in the art, and are not to be construed as limiting the terms, and the terms "first", "second", and "third" do not refer to a specific number or order and are used merely for name differentiation, and the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides an adjustable potentiometer, includes potentiometre body (1), its characterized in that, the upside of potentiometre body (1) is provided with bull stick (2), and the bottom fixedly connected with adapter sleeve (3) of bull stick (2), the outside symmetric connection of adapter sleeve (3) has support frame (4), one of them is a set of the bottom fixedly connected with sliding block (5) of support frame (4), the upside fixedly connected with fixed block (11) of potentiometre body (1), ring channel (10) with sliding block (5) looks adaptation are seted up to the inside of fixed block (11), and the inner wall fixed articulated of ring channel (10) has blotter (14).

2. The adjustable potentiometer according to claim 1, wherein magnetic attraction blocks (15) are fixedly connected to end positions of the buffer pads (14), two sets of magnetic attraction blocks (15) are arranged, and the other set of magnetic attraction blocks (15) is fixedly connected to the outer side of the sliding block (5).

3. The adjustable potentiometer according to claim 1, wherein a slot hole (6) is formed in the sliding block (5), a limiting block (7) is clamped in the slot hole (6), the upper end and the lower end of the limiting block (7) are symmetrically connected with connecting blocks (8), a connecting spring (9) is transversely connected to the outer side of each connecting block (8), the other end of each connecting spring (9) is fixedly connected with the inner wall of the slot hole (6), a butt joint block (12) is clamped in the connecting sleeve (3), and the bottom end of each butt joint block (12) is inserted into the potentiometer body (1).

4. An adjustable potentiometer according to claim 3, characterized in that the longitudinal section of the butt block (12) is provided as a square structure, and the outer side of the butt block (12) is in contact with the inner wall of the connecting sleeve (3).

5. The adjustable potentiometer according to claim 1, wherein an indicating block is fixedly connected to the outer side of the rotating rod (2), a protective sleeve (16) is fixedly glued to the outer side of the rotating rod (2), and anti-skid grains are formed in the outer surface of the protective sleeve (16).

6. The adjustable potentiometer according to claim 3, characterized in that the outer side of the limit block (7) is provided with an inclined structure, and a limit groove matched with the limit block (7) is uniformly formed in the fixed block (11).

7. The adjustable potentiometer according to claim 3, characterized in that the outer sides of the butt-joint blocks (12) are symmetrically connected with guide blocks (13), and the inner wall of the connecting sleeve (3) is provided with a sliding groove matched with the guide blocks (13).