Switching power supply with anti-loosening function

Abstract

The utility model discloses a switching power supply with an anti-loosening function, which comprises a base and a switching power supply body, the bottom of the switching power supply body is fixedly connected with two pairs of support plates which are symmetrically arranged, the bottoms of the two pairs of support plates are fixedly connected with mounting plates, two ends of each mounting plate are inserted with locking screw rods, and the locking screw rods are fixedly connected with the base. A screw groove corresponding to the locking screw rod is formed in the base, a hexagonal screw head is fixedly connected to the top end of the locking screw rod, rotating grooves are formed in the tops of the two ends of the base, threaded rods are rotationally connected into the rotating grooves, the two ends of each threaded rod are in threaded sleeve connection with moving plates, and traction plates are rotationally connected to the top ends of the moving plates; the top end of the traction plate is rotatably connected with a pressing plate, the two ends of the pressing plate are fixedly connected with positioning plates, and the installation assembly of the switching power supply can be positioned through the arrangement of the limiting assembly, so that the installation assembly is prevented from being loosened due to vibration.

Description

Technical Field

[0001] The utility model relates to the field of switch mode related products, in particular to a switch power supply with an anti-loosening function. Background Art

[0002] Switching mode power supply, also known as switching power supply or switching converter, is a high-frequency power conversion device and a type of power supply. Its function is to convert a voltage level into the voltage or current required by the user through different forms of architecture. The input of the switching power supply is mostly AC power (such as mains) or DC power, and the output is mostly equipment that requires DC power, such as personal computers, and the switching power supply performs the voltage and current conversion between the two.

[0003] The existing switching power supply is usually fixed by screws. Under the condition of vibration in the use environment, the switching power supply may become loose during use, which affects the use of the switching power supply. Utility Model Content

[0004] The purpose of the utility model is to provide a switching power supply with an anti-loosening function to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a switching power supply with an anti-loosening function, comprising a base and a switching power supply body, the bottom of the switching power supply body is fixedly connected with two pairs of symmetrically arranged support plates, the bottoms of the two pairs of support plates are fixedly connected with mounting plates, both ends of the mounting plates are inserted with locking screws, the base is provided with a screw groove corresponding to the locking screw, the top of the locking screw is fixedly connected with a hexagonal screw head, the top of both ends of the base is provided with a rotating groove, a threaded rod is rotatably connected in the rotating groove, both ends of the threaded rod are threadedly sleeved with a moving plate, the top of the moving plate is rotatably connected with a traction plate, the top of the traction plate is rotatably connected with a pressing plate, both ends of the pressing plate are fixedly connected with a positioning plate, one end of the positioning plate is provided with a bayonet corresponding to the hexagonal screw head, one end of the positioning plate is provided with a fault-tolerant groove corresponding to the support plate, one end of the threaded rod passes through the rotating groove and extends outward, and the end of the threaded rod extending outward is fixedly connected with a rotating block.

[0006] Preferably, the thread rotation directions on both sides of the center point of the horizontal axial section of the threaded rod are arranged in opposite directions.

[0007] Preferably, a stop rod is slidably inserted into one end of the rotating block, and a plurality of stop grooves corresponding to the stop rod are provided on the outer wall of the base.

[0008] Preferably, the outer side wall of the rotating block is provided with a plurality of anti-slip grooves arranged in an inclined manner.

[0009] Preferably, one end of the stop rod is fixedly sleeved with a positioning sleeve, and a spring is sleeved on the stop rod, and two ends of the spring are respectively abutted against the positioning sleeve and the rotating block.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The switch power supply with anti-loosening function is screwed into the screw groove on the base through the locking screw on the mounting plate, and the switch power supply body is fixedly supported by the support plate. Then, the rotating block is rotated to drive the threaded rod to rotate in the rotating groove. When the threaded rod rotates, the movable plate on which the thread is sleeved will move along. At this time, the traction plate will pull the pressure plate downward. During the downward movement of the pressure plate, the bayonet on the positioning plate will sleeve on the hexagonal screw head on the top of the locking screw to limit it. The utility model can position the mounting component of the switch power supply through the setting of the limiting component to prevent it from loosening due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of a switching power supply with an anti-loosening function according to the utility model;

[0013] Figure 2 This is an enlarged view of point A of a switching power supply with an anti-loosening function of the utility model;

[0014] Figure 3 It is a schematic diagram of a threaded rod of a switching power supply with an anti-loosening function according to the utility model;

[0015] Figure 4 This is an enlarged view of point B of a switching power supply with an anti-loosening function of the utility model;

[0016] Figure 5 The utility model is a schematic diagram of the bayonet of a switching power supply with an anti-loosening function.

[0017] In the figure: 1. Base; 2. Switch power supply body; 3. Support plate; 4. Mounting plate; 5. Locking screw; 6. Hexagonal screw head; 7. Threaded rod; 8. Moving plate; 9. Pulling plate; 10. Pressing plate; 11. Positioning plate; 12. Bayonet; 13. Rotating block; 14. Stop rod; 15. Positioning sleeve; 16. Spring. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1-5The utility model provides an embodiment: a switching power supply with an anti-loosening function, comprising a base 1 and a switching power supply body 2, the bottom of the switching power supply body 2 is fixedly connected with two pairs of support plates 3 symmetrically arranged, the bottoms of the two pairs of support plates 3 are fixedly connected with mounting plates 4, both ends of the mounting plates 4 are inserted with locking screws 5, the base 1 is provided with a screw groove corresponding to the locking screw 5, the top of the locking screw 5 is fixedly connected with a hexagonal screw head 6, the top of both ends of the base 1 is provided with a rotating groove, a threaded rod 7 is rotatably connected in the rotating groove, both ends of the threaded rod 7 are threadedly sleeved with a moving plate 8, the top of the moving plate 8 is rotatably connected with a traction plate 9, the top of the traction plate 9 is rotatably connected with a pressing plate 10, and both ends of the pressing plate 10 are fixedly connected with positioning Plate 11, one end of the positioning plate 11 is provided with a bayonet 12 corresponding to the hexagonal screw head 6, one end of the positioning plate is provided with a fault-tolerant groove corresponding to the support plate 3, one end of the threaded rod 7 passes through the rotating groove and extends outward, and the end of the threaded rod 7 extending outward is fixedly connected with a rotating block 13. Specifically, the locking screw 5 is screwed into the screw groove on the base 1, and the support plate 3 is used to fix and support the switching power supply body 2, and then the rotating block 13 is rotated to drive the threaded rod 7 to rotate in the rotating groove. When the threaded rod 7 rotates, the movable plate 8 threadedly sleeved thereon will move with it. At this time, the traction plate 9 will pull the pressure plate 10 downward, and during the downward movement of the pressure plate 10, the bayonet 12 on the positioning plate 11 will be sleeved on the hexagonal screw head 6 on the top of the locking screw 5 to limit it.

[0020] In this embodiment, the thread rotation directions on both sides of the center point of the horizontal axial section of the threaded rod 7 are oppositely set; a stop rod 14 is slidably inserted at one end of the rotating block 13, and a plurality of stop grooves corresponding to the stop rod 14 are provided on the outer wall of the base 1. The sliding stop rod 14 is inserted into the stop groove to realize the rotation fixation of the rotating block 13; the outer wall of the rotating block 13 is provided with a plurality of anti-slip grooves arranged in an inclined manner to increase friction and improve rotation stability; a positioning sleeve 15 is fixedly sleeved at one end of the stop rod 14, and a spring 16 is sleeved on the stop rod 14, and the two ends of the spring 16 are respectively resisted against the positioning sleeve 15 and the rotating block 13, and the rebound force of the spring 16 is used to cause the stop rod 14 to rebound into the stop groove.

[0021] Working principle: First, the locking screw 5 on the mounting plate 4 is screwed into the screw groove on the base 1, and the support plate 3 is used to fix and support the switching power supply body 2, and then the rotating block 13 is rotated to drive the threaded rod 7 to rotate in the rotating groove. When the threaded rod 7 rotates, the movable plate 8 threadedly sleeved thereon will move with it. At this time, the traction plate 9 will pull the pressure plate 10 downward. During the downward movement of the pressure plate 10, the bayonet 12 on the positioning plate 11 will be sleeved on the hexagonal screw head 6 on the top of the locking screw 5 to limit it.

[0022] 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 with an anti-loosening function, comprising a base (1) and a switching power supply body (2), characterized in that: The bottom of the switching power supply body (2) is fixedly connected to two pairs of symmetrically arranged support plates (3), the bottoms of the two pairs of support plates (3) are fixedly connected to mounting plates (4), both ends of the mounting plates (4) are provided with locking screws (5), the base (1) is provided with screw grooves corresponding to the locking screws (5), the tops of the locking screws (5) are fixedly connected to hexagonal screw heads (6), the tops of both ends of the base (1) are provided with rotation grooves, threaded rods (7) are rotatably connected in the rotation grooves, and both ends of the threaded rods (7) are threadedly sleeved A movable plate (8) is provided, the top end of the movable plate (8) is rotatably connected to a traction plate (9), the top end of the traction plate (9) is rotatably connected to a pressure plate (10), both ends of the pressure plate (10) are fixedly connected to positioning plates (11), one end of the positioning plate (11) is provided with a bayonet (12) corresponding to the hexagonal screw head (6), one end of the positioning plate is provided with a fault-tolerant groove corresponding to the support plate (3), one end of the threaded rod (7) passes through the rotation groove and extends outwards, and the end of the threaded rod (7) extending outwards is fixedly connected to a rotating block (13).

2. The switching power supply with anti-loosening function according to claim 1, characterized in that: The threaded rod (7) has threads on both sides of a center point of a horizontal axial section arranged in opposite directions.

3. The switching power supply with anti-loosening function according to claim 1, characterized in that: A stop rod (14) is slidably inserted into one end of the rotating block (13), and a plurality of stop grooves corresponding to the stop rod (14) are provided on the outer wall of the base (1).

4. The switching power supply with anti-loosening function according to claim 1, characterized in that: The outer side wall of the rotating block (13) is provided with a plurality of anti-slip grooves arranged in an inclined manner.

5. The switching power supply with anti-loosening function according to claim 3, characterized in that: One end of the stop rod (14) is fixedly sleeved with a positioning sleeve (15), and a spring (16) is sleeved on the stop rod (14), and two ends of the spring (16) are respectively abutted against the positioning sleeve (15) and the rotating block (13).

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