Knob regulator
By using the locking knob in conjunction with the limiting post and the limiting hole, the problem of existing voltage regulators being unable to lock after adjustment is solved, thus achieving voltage stability and equipment protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-03-27
AI Technical Summary
Existing voltage regulators cannot be locked after adjustment, resulting in fluctuating voltage values and inconvenience in use.
A rotary regulator was designed. By cooperating with the limiting post and the limiting hole, after the voltage adjustment is completed, the knob returns to its original position, and the limiting post enters the inner wall of the limiting hole to lock, so as to prevent the voltage from changing due to the movement of the knob.
It achieves voltage stability, avoids voltage fluctuations caused by knob movement, and protects the equipment from damage.
Smart Images

Figure CN224052585U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of voltage regulating equipment, specifically is a knob regulator. BACKGROUND
[0002] The voltage regulator can adjust the output value of the voltage to meet the needs of different electrical equipment. The voltage is adjusted by manually adjusting the voltage knob. The voltage knob of the manually adjusted linear voltage regulator is used for voltage adjustment. When manually rotating the adjustment knob, the voltage adjustment is inconvenient due to the motion inertia of the adjustment rotation and the uneven torque of the manual rotation, resulting in poor manual adjustment stability.
[0003] According to the patent document with the existing publication number CN222259923U, a knob regulator for voltage adjustment is disclosed, which includes an adjustment linear voltage regulator body. The adjustment linear voltage regulator body is provided with an automatic quantitative resistance knob adjustment assembly. The automatic quantitative resistance knob adjustment assembly includes a rotating member, a contact member, a driving assembly, and a controller. The rotating member includes a shaft. The shaft outer circumferential wall is uniformly provided with resistance blocks. The resistance blocks are parallel to the shaft and have the same length. This technical solution can use manual adjustment and automatic adjustment. By setting resistance blocks of different sizes on the shaft, voltage adjustment is performed through different resistance blocks. The adjustment is convenient, stable, and accurate. The required voltage can be accurately adjusted to ensure the use of electrical equipment. For the above technical solution, this solution can achieve manual or electric adjustment, but cannot be locked after adjustment, which can easily change the voltage value and cause inconvenience during use. UTILITARIAN CONTENT
[0004] To overcome the deficiencies of the prior art, the utility model aims to provide a knob regulator to solve the problems in the background art. The utility model has a novel structure. When used, the limit post is separated from the limit hole after the knob moves outward. The knob is rotated according to the mark line and the contrast line to adjust the appropriate voltage. After the voltage adjustment is completed, the knob is returned to the original position. The limit post enters the inner wall of the limit hole to lock the knob, avoiding the change of the voltage caused by the movement of the knob later.
[0005] To achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a knob regulator, including a fixed seat, the fixed seat is fixedly installed with a box body on one side, the box body is fixedly provided with a heat sink and a support plate, the support plate is movably installed with a contact seat, the contact seat is fixedly provided with a wire, the side of the contact seat is provided with a fixed groove, the inner wall of the support plate is fixedly provided with a fixed block, the fixed block is movably installed in the fixed groove, the fixed seat is fixedly provided with a fixed disc on one side, the fixed disc is movably installed with a knob, and the knob is fixedly installed with a contrast line.
[0006] Further, the fixed disc is fixed with a ring seat, the ring seat is provided with a limiting hole, the fixed disc is fixed with a mark line, the mark line is distributed in cooperation with the limiting hole, and the bottom of the contact seat is provided with a clamping hole.
[0007] Further, the knob is fixed with a rotating column, the rotating column is welded with a limiting plate, the inside of the box body is movably provided with a rotating seat, the rotating seat is rotatably installed on a fixed seat, and the fixed seat is provided with a fixed hole.
[0008] Further, the rotating seat is provided with a mounting hole, a tension mechanism is fixed in the mounting hole, one end of the tension mechanism is fixed on the rotating column, a limiting groove is formed in the side of the mounting hole, and the limiting plate is movably installed in the limiting groove.
[0009] Further, the inner wall of the knob is fixed with a fixed tube, a limiting column is movably installed in the fixed tube, the limiting column is installed in the fixed tube through a supporting mechanism, and one end of the limiting column is movably installed in the limiting hole.
[0010] Further, the side of the rotating seat is fixed with a resistance block, the resistance block is provided with a groove, the box body is provided with a connecting hole, and a clamping column is movably installed in the connecting hole.
[0011] Further, the side of the clamping column is fixed with a sliding block, the inner wall of the connecting hole is provided with a sliding groove, and the sliding block is installed in the sliding groove through a reset mechanism.
[0012] Further, the inside of the clamping column is movably installed with a movable column, one end of the movable column is movably matched with the groove, and the movable column is installed in the clamping column through an elastic mechanism.
[0013] The beneficial effects of the utility model are as follows:
[0014] 1. The knob adjuster, when the knob is moved outward, the limiting column is separated from the limiting hole, the knob is rotated according to the cooperation of the mark line and the contrast line to adjust the appropriate voltage, the knob is returned to the original position after the voltage adjustment is completed, the limiting column is locked in the inner wall of the limiting hole to avoid the change of the voltage caused by the movement of the knob later.
[0015] 2. The knob adjuster, the contact seat is limited and fixed between the supporting plates through the clamping column, the contact seat is horizontally moved and slid out of the supporting plates for replacement after the contact seat or the wire is damaged, and the clamping column and the movable column are matched to realize the circuit connection between the contact seat and the resistance block.
[0016] 3. The knob adjuster, after the resistance block rotates, the movable column moves to the inside of the groove, so that the movable column and the groove are matched to realize the stability of the movable column and the groove, thereby avoiding the separation of the movable column and the resistance block to cause poor contact of the circuit. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a structure schematic view of the knob adjuster of the utility model;
[0018] Figure 2 It is a structure schematic view of the knob adjuster after the knob moves;
[0019] Figure 3 It is a structure schematic view of the rotating column of the knob adjuster;
[0020] Figure 4 It is a structure schematic view of the box side view of the knob adjuster;
[0021] Figure 5 It is a structure schematic view of the A point of the knob adjuster after amplification;
[0022] In the figure: 1, fixed seat; 2, fixed hole; 3, fixed disc; 4, mark line; 5, knob; 6, contrast line; 7, box; 8, heat dissipation plate; 9, support plate; 10, fixed block; 11, contact seat; 12, wire; 13, ring seat; 14, limit hole; 15, rotating column; 16, limit plate; 17, tension mechanism; 18, fixed tube; 19, limit column; 20, support mechanism; 21, fixed groove; 22, rotating seat; 23, resistance block; 24, groove; 25, mounting hole; 26, limit groove; 27, clamping hole; 28, clamping column; 29, connecting hole; 30, sliding groove; 31, sliding block; 32, reset mechanism; 33, movable column; 34, elastic mechanism. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] Please refer to Figures 1 to 5The utility model provides a technical scheme: a knob regulator, including fixed seat 1, one side of fixed seat 1 is fixedly installed with box 7, the box 7 is fixed with heat dissipation plate 8 and support plate 9, the movable mounting of contact seat 11 is established between support plate 9, the fixed wire 12 of contact seat 11 is fixed, the side of contact seat 11 is opened with fixed groove 21, the inner wall of support plate 9 is fixed with fixed block 10, the fixed block 10 movable mounting is established in the inside of fixed groove 21, one side of fixed seat 1 is fixed with fixed disc 3, the movable mounting of knob 5 is established in fixed disc 3, the fixed installation of contrast line 6 is established in knob 5, the fixed disc 3 is fixed with ring seat 13, the limit hole 14 of ring seat 13 is opened, the fixed disc 3 is fixed with mark line 4, mark line 4 is cooperated with limit hole 14 distribution, the bottom of contact seat 11 is opened with clamping hole 27, and clamping hole 27 is cooperated with clamping column 28 and is limited to the fixed of contact seat 11.
[0025] In the embodiment, the knob 5 is fixed with a rotating column 15, the rotating column 15 is welded with a limiting plate 16, the inside of the box 7 is movably installed with a rotating seat 22, the rotating seat 22 is rotatably installed on the fixed seat 1, the fixed seat 1 is opened with a fixed hole 2, the rotating seat 22 is opened with an installation hole 25, the inside of the installation hole 25 is fixed with a tension mechanism 17, the tension mechanism 17 and the supporting mechanism 20 are both springs, the tension mechanism 17 drives the knob 5 to return to the original position after the rotating column 15 moves, the limiting column 19 is installed in the inside of the limiting hole 14 to limit and fix the knob 5 after the knob 5 returns to the original position, one end of the tension mechanism 17 is fixed on the rotating column 15, the side of the installation hole 25 is opened with a limiting slot 26, the limiting plate 16 is movably installed in the inside of the limiting slot 26, the inner wall of the knob 5 is fixed with a fixed tube 18, the inside of the fixed tube 18 is movably installed with a limiting column 19, the limiting column 19 is installed in the inside of the fixed tube 18 through the supporting mechanism 20, one end of the limiting column 19 is movably installed in the inside of the limiting hole 14, one end of the limiting column 19 contacts with the ring seat 13 when the limiting column 19 does not cooperate with the limiting hole 14, the limiting column 19 is shrunk to the inside of the fixed tube 18 under the extrusion of the knob 5 returning to the original position, there is a gap between the knob 5 and the fixed disc 3, the existence of the gap reminds the operator that the knob 5 is not limited and fixed, which is convenient for rapid adjustment in the later period.
[0026] The rotating seat 22 is fixed on the side of the resistance block 23, the resistance block 23 is provided with a groove 24, the box body 7 is provided with a connecting hole 29, the connecting hole 29 is movably provided with a clamping column 28, the clamping column 28 is fixedly provided with a sliding block 31, the inner wall of the connecting hole 29 is provided with a sliding groove 30, the sliding block 31 is installed in the sliding groove 30 through a reset mechanism 32, the clamping column 28 is movably provided with a movable column 33, one end of the movable column 33 is movably matched with the groove 24, the movable column 33 is installed in the clamping column 28 through an elastic mechanism 34, the reset mechanism 32 and the elastic mechanism 34 are both springs, under the actuation of the resistance block 23, the movable column 33 moves up and down in the clamping column 28, when the movable column 33 enters the inside of the groove 24, the movable column 33 stably contacts with the resistance block 23, which is convenient for the connection of the circuit in the later period.
[0027] In use, the fixed seat 1 is fixedly installed at the use position through the fixing hole 2, the contact seat 11 is slidably installed between the supporting plates 9 before the fixed seat 1 is fixed, the contact seat 11 is slidably installed on the fixed block 10 through the fixed groove 21, with the horizontal movement of the contact seat 11, the clamping hole 27 at the bottom of the contact seat 11 moves to the position of the clamping column 28, the clamping column 28 loses the extrusion of the side of the contact seat 11, the clamping column 28 enters the inside of the clamping hole 27 to limit and fix the contact seat 11 under the pushing of the reset mechanism 32, when the voltage needs to be adjusted, the knob 5 is moved outward, the rotating column 15 drives the limiting plate 16 to move in the limiting groove 26, the rotating column 15 moves to pull the tension mechanism 17, the tension mechanism 17 deforms to provide the required space for one end of the rotating column 15, the knob 5 and the rotating column 15 are rotated to drive the internal rotating seat 22 to rotate, the resistance block 23 rotates with the rotating seat 22, under the actuation of the resistance block 23, the movable column 33 moves up and down in the clamping column 28, when the movable column 33 enters the inside of the groove 24, the movable column 33 stably contacts with the resistance block 23, which is convenient for the connection of the circuit in the later period, then the knob 5 is loosened, the limiting column 19 enters the inside of the limiting hole 14 at the corresponding position when the knob 5 is reset and moves, the limiting column 19 limits and fixes the knob 5, after adjustment, the knob 5 cannot be rotated to cause the change of the voltage, thereby ensuring the stability of the voltage, effectively protecting the equipment, and avoiding the damage caused by the excessively high or low voltage.
[0028] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.
[0029] In addition, it should be understood that, although the present application is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that those skilled in the art can understand.
Claims
1. A rotary knob adjuster comprising a fixed seat (1), characterized in that: The fixed seat (1) one side fixedly installed with box (7), the box (7) is fixed with the heat sink (8) and the support plate (9), the support plate (9) between the movable mounting of contact seat (11), the contact seat (11) is fixed with wire (12), the side of contact seat (11) is opened fixed groove (21), the inner wall of support plate (9) is fixed with fixed block (10), the fixed block (10) is movably installed in the inside of fixed groove (21), the fixed seat (1) one side is fixed with fixed disc (3), the fixed disc (3) is movably installed with knob (5), the knob (5) is fixedly installed with contrast line (6).
2. A rotary knob adjuster according to claim 1, wherein: The fixed disc (3) is fixed with ring seat (13), the ring seat (13) is opened with limit hole (14), the fixed disc (3) is fixed with mark line (4), the mark line (4) is distributed with limit hole (14) cooperation, the bottom of contact seat (11) is opened with clamping hole (27).
3. A rotary knob adjuster according to claim 1, wherein: The knob (5) is fixed with rotating column (15), the rotating column (15) is welded with limit plate (16), the inside of box (7) is movably installed with rotating seat (22), the rotating seat (22) is rotatably installed on fixed seat (1), the fixed seat (1) is opened with fixed hole (2).
4. A rotary knob adjuster according to claim 3, wherein: The rotating seat (22) is opened with mounting hole (25), the inside of mounting hole (25) is fixed with tension mechanism (17), one end of tension mechanism (17) is fixed on rotating column (15), the side of mounting hole (25) is opened with limit slot (26), the limit plate (16) is movably installed in the inside of limit slot (26).
5. A rotary knob adjuster according to claim 1, wherein: The inner wall of knob (5) is fixed with fixed tube (18), the inside of fixed tube (18) is movably installed with limit column (19), the limit column (19) is installed in the inside of fixed tube (18) through support mechanism (20), one end of limit column (19) is movably installed in the inside of limit hole (14).
6. A rotary knob adjuster according to claim 3, wherein: The side of rotating seat (22) is fixed with resistance block (23), the resistance block (23) is opened with recess (24), the box (7) is opened with connecting hole (29), the inside of connecting hole (29) is movably installed with clamping column (28).
7. A rotary knob adjuster according to claim 6, wherein: The side of clamping column (28) is fixed with sliding block (31), the inner wall of connecting hole (29) is opened with sliding slot (30), the sliding block (31) is installed in the inside of sliding slot (30) through reset mechanism (32).
8. A rotary knob adjuster according to claim 7, wherein: The inside of clamping column (28) is movably installed with movable column (33), one end of movable column (33) is movably cooperated with recess (24), the movable column (33) is installed in the inside of clamping column (28) through elastic force mechanism (34).
Citation Information
Patent Citations
Knob regulator for voltage regulation
CN222259923U