Adjustable potentiometer for adjusting power supply

Abstract

The utility model provides an adjustable potentiometer for adjusting a power supply, and relates to the technical field of adjustable potentiometers, the adjustable potentiometer comprises a shell, the upper surface of the shell is rotatably connected with a rotating head, the side surface of the shell is fixedly provided with a pin, the upper surface of the shell is fixedly provided with a connecting block, the interior of the connecting block is slidably connected with a connecting rod, and the connecting rod is fixedly connected with the rotating head. A mounting plate is fixedly mounted at one end of the connecting rod, a tension spring is fixedly mounted on the side face of the mounting plate, a pull head is rotatably connected to the side face of the mounting plate, a clamping groove is formed in the upper surface of the shell, and a connecting ring is fixedly mounted on the surface of the rotating head. By arranging the connecting block, the connecting rod, the mounting disc, the tension spring, the pull head, the clamping groove and the connecting ring, the rotating head can be locked, and the situation that the rotating head rotates due to mistaken touch is avoided, so that the situation that overall control is wrong due to the fact that the potentiometer sends out a wrong signal is avoided, the stability of the potentiometer is improved, and the practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of adjustable potentiometers, in particular to an adjustable potentiometer used for power supply regulation. Background Art

[0002] At present, with the rapid development of the modern electronics industry and the improvement of people's living standards, electronic components used in industry, teaching units and scientific research units are increasingly entering people's daily lives, and potentiometers have become an indispensable type of electronic components. Its application is becoming more and more extensive, typically in the adjustment of sound, the adjustment of the field frequency in a TV, and the special adjustment of related instruments. Publication No. CN205621533U discloses a high-precision adjustable potentiometer, including a skeleton and a thread arranged on the skeleton; a first circuit board is installed under the skeleton, and a metal protective shell is arranged under the first circuit board; a disassembly port is arranged on one side of the metal protective shell, and a positioning lug is arranged on the upper end of the metal protective shell; a second circuit board is arranged under the metal protective shell, and a second lead terminal is arranged on one side of the second circuit board; a terminal fixing piece is arranged on one side of the first circuit board, and a first lead terminal is arranged on one side of the terminal fixing piece; a rotating shaft is passed through the skeleton, and a toothed knob is arranged on the rotating shaft; a card slot is arranged on the top layer of the toothed knob. This high-precision adjustable positioner has a small size, a compact structure, a large adjustable range, a small contact resistance, high precision and high resolution. It can efficiently divide voltage and perform instrument zeroing, etc. Although this product has good accuracy and is convenient for adjustment, it cannot be locked and fixed after being rotated to the appropriate position. The knob may easily rotate due to accidental touch, which may cause the potentiometer to send out wrong signals and lead to overall control errors. It has poor practicality and needs to be improved. Utility Model Content

[0003] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0004] The utility model adopts the following technical scheme: an adjustable potentiometer for power supply regulation comprises a shell, the upper surface of the shell is rotatably connected with a rotating head, the side of the shell is fixedly installed with a pin, the upper surface of the shell is fixedly installed with a connecting block, the interior of the connecting block is slidably connected with a connecting rod, one end of the connecting rod is fixedly installed with a mounting disk, the side of the mounting disk is fixedly installed with a tension spring, the side of the mounting disk is rotatably connected with a pulling head, the upper surface of the shell is provided with a card slot, and the surface of the rotating head is fixedly installed with a connecting ring.

[0005] Preferably, the pull head is slidably connected to the clamping slot, and the pull head is in a T-shape. Here, the connecting rod can be clamped and fixed after sliding out from the inside of the connecting ring through the pull head and the clamping slot.

[0006] Preferably, the connecting rod is slidably connected to the connecting ring, and one end of the tension spring is fixedly connected to the connecting block. Here, the connecting rod can slide from the inside of the connecting block to the inside of the connecting ring through the tension spring.

[0007] Preferably, the surface of the rotating head is provided with an anti-skid groove, and the connecting ring is rotatably connected to the housing. Here, the structure of the protective groove makes it easier and more convenient to rotate the rotating head.

[0008] Preferably, a protective cover is slidably connected to the side of the housing, a clamp is fixedly installed on the upper surface of the protective cover, a limit block is fixedly installed on the side of the housing, a limit rod is slidably connected inside the limit block, a push plate is fixedly installed at one end of the limit rod, and a spring is fixedly installed on the side of the push plate. Here, the protective cover can be provided to protect the position of the pin and prevent the pin from being damaged.

[0009] Preferably, the limit rod is slidably connected to the clamping block, and one end of the spring is fixedly connected to the limit block. Here, the clamping block and the protective cover can be clamped and fixed by the limit rod.

[0010] Compared with the prior art, the advantages and positive effects of the utility model are:

[0011] 1. In the utility model, by arranging a connecting block, a connecting rod, a mounting plate, a tension spring, a pull head, a slot, and a connecting ring, the rotating head can be locked to avoid the rotating head from rotating due to an accidental touch, thereby avoiding the potentiometer from sending a wrong signal, causing an error in the overall control, improving the stability of the potentiometer, and having high practicality.

[0012] 2. In the utility model, by providing a protective cover, a card block, a limit block, a limit rod, a push plate, and a spring, a better protection effect of the positioner is achieved, and the situation in which the pins are directly exposed to the outside during disassembly and maintenance of the potentiometer or before installation of the potentiometer, which causes wear and bumping of the pins, is avoided, thereby increasing the service life of the potentiometer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model provides an overall structural diagram of an adjustable potentiometer for power supply regulation;

[0014] Figure 2 The utility model provides an exploded structural diagram of a protective cover of an adjustable potentiometer for power supply regulation;

[0015] Figure 3 The utility model provides an overall exploded structural diagram of an adjustable potentiometer for power supply regulation;

[0016] Figure 4 The utility model proposes an adjustable potentiometer for power supply regulation Figure 3 Enlarged view of point A in the middle;

[0017] Figure 5 The utility model proposes an adjustable potentiometer for power supply regulation Figure 3 Enlarged view of point B in the middle.

[0018] Legend:

[0019] 1. Shell; 2. Rotating head; 3. Pin; 4. Connecting block; 5. Connecting rod; 6. Mounting plate; 7. Tension spring; 8. Pull head; 9. Slot; 10. Connecting ring; 11. Protective cover; 12. Block; 13. Limit block; 14. Limit rod; 15. Push plate; 16. Spring. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1

[0023] See also Figure 1-5The utility model provides a technical solution: an adjustable potentiometer for power supply regulation, comprising a shell 1, a rotating head 2 is rotatably connected to the upper surface of the shell 1, which is convenient for controlling the power supply, a pin 3 is fixedly installed on the side of the shell 1, a connecting block 4 is fixedly installed on the upper surface of the shell 1, so that a connecting rod 5 is installed, a connecting rod 5 is slidably connected inside the connecting block 4, so that a connecting ring 10 can be clamped and fixed, a mounting plate 6 is fixedly installed at one end of the connecting rod 5, a tension spring 7 is fixedly installed on the side of the mounting plate 6, so that the connecting rod 5 automatically recovers, a pull head 8 is rotatably connected to the side of the mounting plate 6, which is convenient for pulling the connecting rod 5, and a card slot 9 is opened on the upper surface of the shell 1. , so that the pull head 8 is stuck in the appropriate position, a connecting ring 10 is fixedly installed on the surface of the swivel 2, so that the swivel 2 can be fixed by the clamping of the connecting ring 10, the pull head 8 is slidably connected with the card slot 9, and the pull head 8 is T-shaped, so that the connecting rod 5 can be fixed after being pulled out, and the connecting rod 5 is slidably connected with the connecting ring 10, so that the swivel 2 can be fixed in the appropriate position, one end of the tension spring 7 is fixedly connected to the connecting block 4, so that the connecting rod 5 can automatically slide from the inside of the connecting block 4 to the inside of the connecting ring 10, and an anti-skid groove is provided on the surface of the swivel 2 to avoid slipping when the swivel 2 is rotated, and the connecting ring 10 is rotatably connected to the outer shell 1.

[0024] Embodiment 2

[0025] See also Figure 1-3 5. A protective cover 11 is slidably connected to the side of the shell 1 to protect the pin 3. A clamping block 12 is fixedly installed on the upper surface of the protective cover 11 so that the protective cover 11 can be fixed and clamped. A limiting block 13 is fixedly installed on the side of the shell 1 to install a limiting rod 14. The limiting block 13 is internally slidably connected to the limiting rod 14 so that the clamping block 12 and the protective cover 11 are stably fixed at a suitable position. A push plate 15 is fixedly installed at one end of the limiting rod 14 to facilitate pulling the limiting rod 14. A spring 16 is fixedly installed on the side of the push plate 15 so that the push plate 15 and the limiting rod 14 can automatically restore. The limiting rod 14 is slidably connected to the clamping block 12, and one end of the spring 16 is fixedly connected to the limiting block 13, so that the protective cover 11 is automatically clamped and fixed after being moved to a suitable position.

[0026] Working principle: first, when the swivel head 2 needs to be rotated, you can first grab the pull head 8 and pull it, so that the pull head 8 drives the connecting rod 5 to slide out from the inside of the connecting ring 10, and then align the swivel head 2 to rotate it, slide the swivel head 2 to the position of the slot 9 to get stuck, and then you can smoothly rotate the swivel head 2. When you need to get the swivel head 2 stuck to avoid accidental touching of the swivel head 2, you can first grab the swivel head 2 and pull it, pull the swivel head 2 out from the inside of the slot 9, and then grab the swivel head 2 and rotate it. After releasing the pull head 8, the tension spring 7 drives the mounting plate 6 to move, so that the connecting rod 5 slides from the inside of the connecting block 4 to the inside of the connecting ring 10, so that the swivel head 2 is stuck and fixed. When the pin 3 needs to be used, it can be By grabbing the push plate 15 and pulling it, the push plate 15 drives the connecting rod 5 to move, so that the connecting rod 5 slides inside the limit block 13 and the card block 12. When the limit rod 14 slides out from the inside of the card block 12, the protective cover 11 can be grabbed and pulled to remove the protective cover 11 from the housing 1 and the pin 3. When the protective cover 11 needs to be installed again, the protective cover 11 is first aligned with the position of the pin 3 and pushed so that the protective cover 11 covers the entire pin 3. When the card block 12 moves to a suitable position, the spring 16 can drive the push plate 15 and the limit rod 14 to move, so that the limit rod 14 slides from the inside of the limit block 13 to the inside of the card block 12, so that the protective cover 11 is installed and fixed.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An adjustable potentiometer for power supply regulation, comprising a housing (1), characterized in that: The upper surface of the shell (1) is rotatably connected to a rotating head (2), a pin (3) is fixedly installed on the side of the shell (1), a connecting block (4) is fixedly installed on the upper surface of the shell (1), a connecting rod (5) is slidably connected inside the connecting block (4), a mounting plate (6) is fixedly installed on one end of the connecting rod (5), a tension spring (7) is fixedly installed on the side of the mounting plate (6), a pulling head (8) is rotatably connected to the side of the mounting plate (6), a slot (9) is provided on the upper surface of the shell (1), and a connecting ring (10) is fixedly installed on the surface of the rotating head (2).

2. The adjustable potentiometer for power supply regulation according to claim 1, characterized in that: The pull head (8) is slidably connected to the clamping groove (9), and the pull head (8) is in a T-shape.

3. The adjustable potentiometer for power supply regulation according to claim 1, characterized in that: The connecting rod (5) is slidably connected to the connecting ring (10), and one end of the tension spring (7) is fixedly connected to the connecting block (4).

4. The adjustable potentiometer for power supply regulation according to claim 1, characterized in that: The surface of the rotating head (2) is provided with an anti-slip groove, and the connecting ring (10) is rotatably connected to the outer shell (1).

5. The adjustable potentiometer for power supply regulation according to claim 1, characterized in that: The side of the shell (1) is slidably connected to a protective sleeve (11), the upper surface of the protective sleeve (11) is fixedly mounted with a clamping block (12), the side of the shell (1) is fixedly mounted with a limit block (13), the interior of the limit block (13) is slidably connected to a limit rod (14), one end of the limit rod (14) is fixedly mounted with a push plate (15), and the side of the push plate (15) is fixedly mounted with a spring (16).

6. The adjustable potentiometer for power supply regulation according to claim 5, characterized in that: The limiting rod (14) is slidably connected to the clamping block (12), and one end of the spring (16) is fixedly connected to the limiting block (13).

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