Switching power supply for adjusting power dividing transistor

Abstract

The utility model discloses a switching power supply for adjusting a power shunt transistor, which comprises a switching power supply body, one end of the switching power supply body is provided with a plurality of wiring grooves, the outer side of each wiring groove is provided with two transverse plates which are symmetrically arranged up and down, and the two transverse plates are fixedly connected with the switching power supply body. Threaded rods are rotationally connected between the two ends of the two transverse plates correspondingly, the thread rotating directions of the two sides of the central point of the horizontal axial section of each threaded rod are opposite, the two ends of each threaded rod are in threaded sleeving connection with traction plates correspondingly, a clamping plate is fixedly connected between every two parallel and adjacent traction plates, and a rotating rod is fixedly connected to the bottom end of each threaded rod. The bottom end of the rotating rod penetrates through one of the transverse plates and is fixedly connected with a first gear. According to the utility model, the arrangement of the external clamping and fixing assembly is adopted, so that the stability of a lead after connection can be effectively improved, and the lead is prevented from loosening caused by dragging.

Description

Technical Field

[0001] The utility model relates to the field of switching power supply related products, in particular to a switching power supply for regulating a power shunt transistor. Background Art

[0002] Switching power supplies have enjoyed increasing market acceptance in the consumer electronics industry due to their small size, low weight, and generally high efficiency. A wire connection is required between the switching power supply and the power-consuming device;

[0003] However, the existing switching power supply lacks a wire fixing mechanism after the wires are connected. During use, the wires are easily loosened due to external forces, which affects the use efficiency of the switching power supply and has defects. Utility Model Content

[0004] The utility model aims to provide a switching power supply for regulating a power shunt transistor to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a switching power supply for regulating a power shunt transistor, comprising a switching power supply body, a plurality of wiring slots being provided on one end of the switching power supply body, two horizontal plates being symmetrically arranged up and down being provided on the outer sides of the plurality of wiring slots, the two horizontal plates being fixedly connected to the switching power supply body, a threaded rod being rotatably connected between the two ends of the two horizontal plates, the threaded rotation directions on both sides of the center point of the horizontal axial section of the threaded rod being oppositely arranged, a traction plate being threadedly sleeved on both ends of the threaded rod, a clamping plate being fixedly connected between two parallel adjacent traction plates, a rotating rod being fixedly connected to the bottom end of the threaded rod, the bottom end of the rotating rod passing through one of the horizontal plates and being fixedly connected to a first gear, support plates being fixedly connected to the outer walls of both sides of the switching power supply body, a rotating rod being rotatably connected between the two support plates, a second gear meshing with the first gear being fixedly connected to the rotating rod, and one end of the rotating rod passing through one of the support plates and being fixedly connected to a rotating block.

[0006] Preferably, the cardboard is arranged in an arc-shaped structure, and the inner side wall of the cardboard is provided with a plurality of anti-slip grooves arranged in an inclined manner.

[0007] Preferably, an insertion rod is slidably inserted on one end of the rotating block, a slot corresponding to the insertion rod is provided on the outer side wall of the support plate, and a limiting sleeve is fixedly sleeved on one end of the insertion rod close to the support plate.

[0008] Preferably, the first gear and the second gear are both bevel gears.

[0009] Preferably, the plurality of wiring slots are arranged at equal distances.

[0010] Preferably, a spring is sleeved on the insertion rod, and two ends of the spring are respectively against the limit sleeve and the rotating block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The switching power supply for regulating the power shunt transistor assembles the wires through the wiring grooves. After the wiring is completed, the rotating block can be rotated to drive the rotating rod to rotate on the support plate. When the rotating rod rotates, the second gear installed on it will mesh with the matching first gear to realize the rotation of the rotating rod. When the rotating rod rotates, the threaded rod will follow the rotation. When the threaded rod rotates, the two traction plates threadedly sleeved on it will move relatively to drive the clamping plate to clamp and fix the wires. The utility model adopts the setting of an external clamping and fixing component to effectively improve the stability of the wires after connection and avoid the loosening of the wires due to dragging. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of a switching power supply for adjusting a power shunt transistor of the utility model;

[0014] Figure 2 This is an enlarged view of point A of a switching power supply for adjusting a power shunt transistor of the utility model;

[0015] Figure 3 This is an enlarged view of point B of a switching power supply for adjusting a power shunt transistor of the utility model.

[0016] In the figure: 1. Switch power supply body; 2. Wiring slot; 3. Horizontal plate; 4. Threaded rod; 5. Pull plate; 6. Clamp plate; 7. Rotating rod; 8. First gear; 9. Support plate; 10. Rotating rod; 11. Second gear; 12. Rotating block; 13. Inserting rod; 14. Limiting sleeve; 15. Spring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0018] See also Figure 1-3The utility model provides an embodiment: a switching power supply for regulating a power shunt transistor, comprising a switching power supply body 1, a plurality of wiring slots 2 are provided on one end of the switching power supply body 1, two horizontal plates 3 symmetrically arranged up and down are provided on the outer sides of the plurality of wiring slots 2, the two horizontal plates 3 are fixedly connected to the switching power supply body 1, a threaded rod 4 is rotatably connected between the two ends of the two horizontal plates 3, the threaded rotation directions of the threaded rod 4 on both sides of the center point of the horizontal axial section are oppositely arranged, a traction plate 5 is threadedly sleeved on both ends of the threaded rod 4, a clamping plate 6 is fixedly connected between two parallel adjacent traction plates 5, a rotating rod 7 is fixedly connected to the bottom end of the threaded rod 4, and the bottom end of the rotating rod 7 passes through one of the horizontal plates 3 and is fixedly connected A first gear 8 is connected, and support plates 9 are fixedly connected to the outer walls of both sides of the switching power supply body 1. A rotating rod 10 is rotatably connected between the two support plates 9. A second gear 11 meshing with the first gear 8 is fixedly connected to the rotating rod 10. One end of the rotating rod 10 passes through one of the support plates 9 and is fixedly connected to a rotating block 12. Specifically, rotating the rotating block 12 can drive the rotating rod 10 to rotate on the support plate 9. When the rotating rod 10 rotates, the second gear 11 installed thereon will mesh with the matching first gear 8 to realize the rotation of the rotating rod 7. When the rotating rod 7 rotates, the threaded rod 4 will follow the rotation. When the threaded rod 4 rotates, the two traction plates 5 threadedly sleeved thereon will move relatively, thereby driving the clamping plate 6 to clamp and fix the wire.

[0019] In this embodiment, the card plate 6 is arranged in an arc-shaped structure, and the inner side wall of the card plate 6 is provided with a plurality of anti-slip grooves arranged in an inclined manner, which is convenient for fitting the wire and increasing the stability during clamping; an insertion rod 13 is slidably inserted on one end of the rotating block 12, and a slot corresponding to the insertion rod 13 is provided on the outer side wall of the support plate 9, and a limiting sleeve 14 is fixedly sleeved on the end of the insertion rod 13 close to the support plate 9, and the rotation and fixation of the rotating block 12 can be achieved by inserting the insertion rod 13 into the slot; the first gear 8 and the second gear 11 are both bevel gears; the multiple wiring slots 2 are equidistantly arranged; a spring 15 is sleeved on the insertion rod 13, and the two ends of the spring 15 are respectively against the limiting sleeve 14 and the rotating block 12, and the rebound force of the spring 15 is used to cause the insertion rod 13 to rebound into the slot.

[0020] Working principle: First, the wiring slot 2 is used to connect the wires. After the wiring is completed, the rotating block 12 can be rotated to drive the rotating rod 10 to rotate on the support plate 9. When the rotating rod 10 rotates, the second gear 11 installed thereon will engage with the matching first gear 8 to realize the rotation of the rotating rod 7. When the rotating rod 7 rotates, the threaded rod 4 will follow the rotation. When the threaded rod 4 rotates, the two traction plates 5 threadedly sleeved thereon will move relatively, thereby driving the clamping plate 6 to clamp and fix the wires.

[0021] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A switching power supply for regulating a power shunt transistor, comprising a switching power supply body (1), characterized in that: A plurality of wiring slots (2) are provided on one end of the switch power supply body (1), two horizontal plates (3) are symmetrically arranged up and down are provided on the outer sides of the plurality of wiring slots (2), the two horizontal plates (3) are fixedly connected to the switch power supply body (1), a threaded rod (4) is rotatably connected between the two ends of the two horizontal plates (3), the threaded rotation directions of the two sides of the center point of the horizontal axial section of the threaded rod (4) are opposite, the two ends of the threaded rod (4) are threadedly sleeved with a traction plate (5), and a traction plate (5) is fixedly connected between the two parallel adjacent traction plates (5). The bottom end of the threaded rod (4) is fixedly connected to a rotating rod (7), the bottom end of the rotating rod (7) passes through one of the horizontal plates (3) and is fixedly connected to a first gear (8), both sides of the outer wall of the switch power supply body (1) are fixedly connected to support plates (9), a rotating rod (10) is rotatably connected between the two support plates (9), a second gear (11) meshing with the first gear (8) is fixedly connected to the rotating rod (10), and one end of the rotating rod (10) passes through one of the support plates (9) and is fixedly connected to a rotating block (12).

2. A switching power supply for regulating a power shunt transistor according to claim 1, characterized in that: The card plate (6) is arranged in an arc-shaped structure, and a plurality of anti-slip grooves arranged in an inclined manner are arranged on the inner side wall of the card plate (6).

3. A switching power supply for regulating a power shunt transistor according to claim 1, characterized in that: An insertion rod (13) is slidably inserted on one end of the rotating block (12), a slot corresponding to the insertion rod (13) is provided on the outer wall of the support plate (9), and a limiting sleeve (14) is fixedly sleeved on one end of the insertion rod (13) close to the support plate (9).

4. A switching power supply for regulating a power shunt transistor according to claim 1, characterized in that: The first gear (8) and the second gear (11) are both bevel gears.

5. The switching power supply for regulating a power shunt transistor according to claim 1, characterized in that: The plurality of wiring slots (2) are arranged at equal distances from each other.

6. A switching power supply for regulating a power shunt transistor according to claim 3, characterized in that: The insert rod (13) is sleeved with a spring (15), and two ends of the spring (15) respectively abut against the limit sleeve (14) and the rotating block (12).

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