CN216134417U - Switching power supply with high safety performance - Google Patents
Switching power supply with high safety performance Download PDFInfo
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- CN216134417U CN216134417U CN202121796076.1U CN202121796076U CN216134417U CN 216134417 U CN216134417 U CN 216134417U CN 202121796076 U CN202121796076 U CN 202121796076U CN 216134417 U CN216134417 U CN 216134417U
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- switching power
- power supply
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- movable
- protective shell
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Abstract
The utility model relates to the technical field of switching power supplies, and particularly discloses a switching power supply with high safety performance, which comprises a protective shell, wherein a shell cover is arranged on the protective shell, and a main switch is arranged in the protective shell; place switching power supply intermediate position on the extension board, resilience force through expanding spring drives the movable frame and removes to the inboard, make two movable frames respectively with the switching power supply left and right sides in close contact with can, through outside pulling carriage release lever, and compress the pressure spring, then remove the joint piece to recess inside, make joint piece and limiting plate contact, resilience force through the pressure spring makes the carriage release lever remove to the inboard, thereby carry on spacingly to the joint piece through the carriage release lever, avoid the joint piece to remove, meanwhile stabilize on the extension board to the movable frame, consequently, just avoid receiving external collision and make the inside damage that causes of switching power supply, switching power supply's security increases.
Description
Technical Field
The utility model relates to the technical field of switching power supplies, in particular to a switching power supply with high safety performance.
Background
The switching power supply is a power supply which utilizes modern power electronic technology to control the on-off time ratio of a switching tube and maintain stable output voltage, and is also a power supply, and the function of the switching power supply is to convert voltage with one level into voltage or current required by a user terminal through different types of architectures.
The existing switching power supply is difficult to well stabilize the switching power supply, so that the switching power supply is possibly damaged inside when being collided by the outside, the safety factor is lower, and the switching power supply does not have a buffering function and is difficult to play a buffering role when being impacted.
SUMMERY OF THE UTILITY MODEL
The utility model provides a switching power supply with high safety performance, and aims to solve the problems that the switching power supply provided by the background technology is difficult to stabilize well, so that the inside of the switching power supply is possibly damaged when the switching power supply is collided by the outside, the safety coefficient is low, and the switching power supply does not have a buffer function and is difficult to buffer when impact force is applied.
The utility model has the purpose and effect that the adopted technical scheme is as follows:
a switching power supply with high safety performance includes:
the protective shell is provided with a shell cover, and a switching power supply is arranged in the protective shell;
the support plate is positioned below the inner part of the shell, the left side and the right side of the support plate are both provided with sliding grooves, two sliding grooves are both provided with movable frames, the movable frames are provided with movable rods near the outer sides, the movable frames are provided with grooves, the bottoms of the grooves are provided with springs, the grooves are internally provided with limiting plates fixed with the upper ends of the springs, the movable frames are provided with moving rods near the upper sides, the grooves are internally provided with clamping blocks above the limiting plates, the left end and the right end of the protective shell are both provided with long rods, the lower ends of the support plate and the left side and the right side of the bottom end of the protective shell are both provided with fixed plates, two connecting blocks which are symmetrically arranged from left to right are arranged between the upper fixed plate and the lower fixed plate, the outer ends of the connecting blocks are both provided with telescopic rods and the fixed plates, slide rods are fixedly connected between the two connecting blocks, and two slide blocks which are symmetrically arranged from left to right are slidably connected on the outer sides of the slide rods, and a connecting rod is hinged between the middle part of one end, close to the inside, of the fixed plate and one end, close to the outside, of the two sliding blocks.
Preferably, the lower end of the shell cover is fixed with two clamping plates which are symmetrically arranged left and right, the left and right sides of the protective shell are provided with clamping grooves, the clamping plates are clamped with the clamping grooves, the middle part of the lower surface of the shell cover is provided with a mounting frame, a cooling fan is arranged in the mounting frame, the middle part of the upper surface of the shell cover is provided with a cooling hole, and the cooling hole is communicated with the inside of the mounting frame.
Preferably, the movable rod penetrates through the protective shell from the outer end, an expansion spring is wound on the outer side of the movable rod, the expansion spring is fixed to the inner wall of the protective shell from the outer side, the expansion spring is fixed to the outer side of the movable frame from the inner end, a movable block is fixed to the lower end of the movable frame, the movable block is located inside the sliding groove and connected with the sliding groove in a sliding mode, and the two movable frames are respectively in contact with the left side and the right side of the switching power supply.
Preferably, the winding of carriage release lever outside has the pressure spring, the pressure spring leans on inner and carriage release lever to lean on inner fixed, the pressure spring leans on outer end and recess inner wall fixed, the carriage release lever leans on inner to run through to the recess inside and lean on the outside with joint piece upper end and contact, joint piece upper end extends the recess and leans on the inboard with the stock lower extreme fixed, the stock leans on the outer end to pass through out the protective housing.
Preferably, an elastic column is arranged at the middle position between the bottom of the support plate and the bottom end of the interior of the protective shell.
Preferably, damping spring has been twined in the telescopic link outside, damping spring leans on outer end and fixed by inner with the fixed plate, damping spring leans on inner and the connecting block to lean on outer fixed, both ends all twine buffer spring about the slide bar outside, buffer spring leans on the outside and two the corresponding one end of connecting block is fixed, buffer spring leans on inner and the slider leans on outer fixed.
Has the advantages that:
1. the switching power supply is placed in the middle of the upper surface of the support plate, the movable frames are driven to move inwards through the resilience force of the telescopic springs, the two movable frames are respectively in close contact with the left side and the right side of the switching power supply, the movable rods are pulled outwards and the pressure springs are compressed, then the clamping blocks move towards the inner parts of the grooves, the clamping blocks are in contact with the limiting plates, the movable rods move inwards through the resilience force of the pressure springs, so that the clamping blocks are limited through the movable rods, the clamping blocks are prevented from moving, meanwhile, the movable frames are stabilized on the support plate, damage to the inner part of the switching power supply due to external collision is avoided, and the safety of the switching power supply is improved;
2. impact force received through switching power supply, make extension board downstream, damping spring through between top fixed plate and the connecting block upper end carries out the extension board shock attenuation, just can drive the slider outside when making the connecting rod downstream and remove, and then make the slider slide to the outside on the slide bar, thereby compress buffer spring, and the slider is in the gliding in the slide bar outside, can also continuously drive the connecting rod of lower extreme and carry out the downstream, consequently also make the damping spring between below fixed plate and the connecting block lower extreme cushion, cooperation through damping spring and buffer spring, thereby avoid the impact force to cause the damage to switching power supply, and then increase switching power supply's security.
Drawings
FIG. 1 is a schematic perspective view of the overall front view of the present invention;
FIG. 2 is a schematic view of the overall front cross-sectional structure of the present invention;
FIG. 3 is a schematic front plan view of the fixing plate and the connecting block according to the present invention;
fig. 4 is a schematic structural diagram of fig. 2 at a according to the present invention.
The labels in the figure are: 1, a protective shell; 2, a shell cover; 3, installing a frame; 4, a heat radiation fan; 5, a heat dissipation port; 6, switching power supply; 7, a support plate; 8, a chute; 9, moving the frame; 10 a movable rod; 11, grooves; 12 moving the rod; 13, a clamping block; 14 springs; 15 limiting plate; a 16 long rod; 17 an elastic column; 18 fixing the plate; 19 connecting blocks; 20, telescoping rods; 21 a slide bar; 22 a slide block; 23 connecting the rods.
Detailed Description
Referring to fig. 1 to 4, the present invention is a switching power supply with high safety, including:
the protective shell comprises a protective shell 1, wherein a shell cover 2 is arranged on the protective shell 1, a switching power supply 6 is arranged in the protective shell 2, two clamping plates which are symmetrically arranged left and right are fixed at the lower end of the shell cover 2, clamping grooves are formed in the left side and the right side of the upper surface of the protective shell 1, the clamping plates are clamped with the clamping grooves, a mounting frame 3 is arranged in the middle of the lower surface of the shell cover 2, a cooling fan 4 is arranged in the mounting frame 3, a cooling hole 5 is formed in the middle of the upper surface of the shell cover 2, and the cooling hole 5 is communicated with the inside of the mounting frame 3;
a support plate 7, the support plate 7 is positioned below the inner part of the shell 1, the left side and the right side of the support plate 7 are both provided with sliding chutes 8, the two sliding chutes 8 are both provided with movable frames 9, the movable frame 9 is provided with a movable rod 10 near the outer side, the movable frame 9 is provided with a groove 11, the bottom of the groove 11 is provided with a spring 14, the groove 11 is internally provided with a limiting plate 15 fixed with the upper end of the spring 14, the movable frame 9 is provided with a movable rod 12 near the outer side and the upper side of the movable frame 9, the groove 11 is internally provided with a clamping block 13 above the limiting plate 15, the left end and the right end of the inner part of the protective shell 1 are both provided with long rods 16, the outer end of the movable rod 10 penetrates through the protective shell 1, the outer side of the movable rod 10 is wound with a telescopic spring, the outer side of the telescopic spring is fixed with the inner wall of the protective shell 1, the inner end of the telescopic spring is fixed with the outer side of the movable frame 9, the lower end of the movable block is positioned inside the sliding chute 8 and is connected with the movable block in a sliding way, the two movable frames 9 are respectively contacted with the left side and the right side of the switching power supply 6, a pressure spring is wound on the outer side of the movable rod 12, the pressure spring is fixed with the movable rod 12 by the inner end and the inner end by the outer end, the pressure spring is fixed with the inner wall of the groove 11 by the outer end, the movable rod 12 penetrates into the groove 11 by the inner end and is contacted with the upper end of the clamping block 13 by the outer side, the upper end of the clamping block 13 extends out of the groove 11 and is fixed with the lower end of the long rod 16 by the inner side, and the long rod 16 penetrates out of the protective shell 1 by the outer end;
the shell cover 2 is opened, the clamping plate is separated from the clamping groove, the switching power supply 6 can be placed after the shell cover 2 is opened, the switching power supply 6 is placed on the support plate 7, before the placement, the long rod 16 drives the clamping block 13 to move upwards, the clamping block 13 is separated from the groove 11, then the movable rod 10 is pulled, the movable rod 10 drives the movable frame 9 to move outwards, the telescopic spring is contracted, meanwhile, the movable frame 9 drives the movable block to move in the sliding groove 8, so that the two movable frames 9 are mutually far away, the switching power supply 6 with different sizes can be placed conveniently, after the two movable frames 9 are pulled apart from each other, the switching power supply 6 is placed at the middle position on the support plate 7, after the placement, the movable rod 10 is loosened, the movable frame 9 and the movable block are driven to move inwards through the resilience force of the telescopic spring, and the two movable frames 9 are respectively in close contact with the left side and the right side of the switching power supply 6, then, the long rod 16 drives the clamping block 13 to move inwards, after the clamping block 13 corresponds to the groove 11 up and down, the moving rod 12 is pulled outwards firstly, the pressure spring is compressed, the long rod 16 drives the clamping block 13 to move towards the inside of the groove 11, and the clamping block 13 is contacted with the limiting plate 15, at the moment, the moving rod 12 can be loosened, the moving rod 12 moves inwards through the resilience force of the pressure spring, the moving rod 12 is positioned on the clamping block 13, so that the clamping block 13 is limited through the moving rod 12, the clamping block 13 is prevented from moving, meanwhile, the movable frame 9 is stabilized on the supporting plate 7, the damage to the inside of the switching power supply 6 due to external collision is avoided, and the safety of the main switch 6 is improved;
when the shell cover 2 is opened, the mounting frame 3 and the heat dissipation fan 4 can be taken out, the heat dissipation fan 4 can effectively dissipate heat of the switching power supply 6, the switching power supply 6 is prevented from generating large heat in the using process, and the dissipated heat can be dissipated to the outer side of the protective shell 1 through the heat dissipation port 5;
the left side and the right side of the lower end of the support plate 7 and the bottom end inside the protective shell 1 are both provided with a fixed plate 18, two connecting blocks 19 which are symmetrically arranged left and right are arranged between the upper fixed plate 18 and the lower fixed plate 18, a telescopic rod 20 is arranged between the outer end of each connecting block 19 and the corresponding fixed plate 18, a slide rod 21 is fixedly connected between the two connecting blocks 19, two slide blocks 22 which are symmetrically arranged left and right are slidably connected outside the slide rod 21, a connecting rod 23 is hinged between the middle part of one end of the inner side of each fixed plate 18 and one end of the outer side of each slide block 22, an elastic column 17 is arranged at the middle position of the bottom of the support plate 7 and the bottom end inside the protective shell 1, a damping spring is wound outside the telescopic rod 20, the outer end of the damping spring is fixed with the inner end of the fixed plate 18, the inner end of the damping spring is fixed with the outer end of the corresponding connecting block 19, the left end and the right end of the outer side of the damping spring are both wound with the damping spring, the inner end of the buffer spring is fixed with the outer end of the slide block 22;
when the switch power supply 6 is impacted in the using process, the support plate 7 can move downwards through the impact force applied to the switch power supply 6, the support plate 7 is primarily buffered through the elastic column 17 at the lower end of the support plate 7, then the support plate 7 is damped through the damping spring between the upper fixing plate 18 and the upper end of the connecting block 19, meanwhile, the telescopic rod 20 can contract, the impact force of the switch power supply 6 can be reduced, the fixing plate 18 at the upper end can move downwards, the connecting rod 23 can drive the outer side of the sliding block 22 to move when moving downwards, the sliding block 22 can slide outwards on the sliding rod 21, the damping spring is compressed, the connecting rod 23 at the lower end can be continuously driven to move downwards while the sliding block 22 slides outside the sliding rod 21, and therefore the damping spring between the lower fixing plate 18 and the lower end of the connecting block 19 can also damp, through damping spring and buffer spring's cooperation to avoid the impact force to cause the damage to switching power supply 6, and then increase switching power supply 6's security.
Claims (6)
1. A switching power supply with high safety performance, comprising:
the protective shell comprises a protective shell (1), wherein a shell cover (2) is arranged on the protective shell (1), and a main switch (6) is arranged in the protective shell (1);
the supporting plate (7) is positioned below the inner part of the protective shell (1), sliding grooves (8) are formed in the left side and the right side of the upper surface of the supporting plate (7), movable frames (9) are arranged on the two sliding grooves (8), movable rods (10) are arranged on the outer sides of the movable frames (9), grooves (11) are formed in the upper surface of the movable frames (9), springs (14) are arranged at the bottoms of the grooves (11), limiting plates (15) fixed to the upper ends of the springs (14) are arranged in the grooves (11), moving rods (12) are arranged on the outer sides of the movable frames (9), clamping blocks (13) are arranged on the limiting plates (15) in the grooves (11), long rods (16) are arranged at the left end and the right end of the inner part of the protective shell (1), fixing plates (18) are arranged on the lower end of the supporting plate (7) and the left side and the right side of the bottom end of the inner part of the protective shell (1), two connecting blocks (19) which are symmetrically arranged in the left-right direction are arranged between the upper fixing plate and the lower fixing plate (18), a telescopic rod (20) is arranged between the outer end of each connecting block (19) and the corresponding fixing plate (18), a sliding rod (21) is fixedly connected between the two connecting blocks (19), two sliding blocks (22) which are symmetrically arranged in the left-right direction are slidably connected to the outer side of each sliding rod (21), and a connecting rod (23) is hinged between the middle of one end, close to the inner side, of each fixing plate (18) and the outer end, close to the outer side, of each sliding block (22).
2. A high-safety switching power supply according to claim 1, characterized in that: the improved structure of the heat dissipation fan is characterized in that two clamping plates which are symmetrically arranged in a bilateral mode are fixed at the lower end of the shell cover (2), clamping grooves are formed in the left side and the right side of the shell cover (1), the clamping plates are connected with the clamping grooves in a clamped mode, an installation frame (3) is arranged in the middle of the lower face of the shell cover (2), a heat dissipation fan (4) is arranged inside the installation frame (3), a heat dissipation opening (5) is formed in the middle of the upper face of the shell cover (2), and the heat dissipation opening (5) is communicated with the inside of the installation frame (3).
3. A high-safety switching power supply according to claim 1, characterized in that: the protective housing (1) is penetrated through by the outer end of the movable rod (10), an expansion spring is wound on the outer side of the movable rod (10), the outer side of the expansion spring is fixed to the inner wall of the protective housing (1), the inner end of the expansion spring is fixed to the outer side of the movable frame (9), a movable block is fixed to the lower end of the movable frame (9), the movable block is located inside the sliding groove (8) and is in sliding connection with the sliding groove, and the movable frame (9) is in contact with the left side and the right side of the master switch (6) respectively.
4. A high-safety switching power supply according to claim 1, characterized in that: the winding of carriage release lever (12) outside has the pressure spring, the pressure spring leans on inner and carriage release lever (12) to lean on inner fixed, the pressure spring leans on outer end and recess (11) inner wall fixed, carriage release lever (12) lean on inner to run through to recess (11) inside and lean on the outside with joint piece (13) upper end and contact, joint piece (13) upper end extends recess (11) and leans on the inboard with stock (16) lower extreme to be fixed, stock (16) lean on the outer end to run through out protective housing (1).
5. A high-safety switching power supply according to claim 1, characterized in that: and an elastic column (17) is arranged between the bottom of the support plate (7) and the bottom of the interior of the protective shell (1).
6. A high-safety switching power supply according to claim 1, characterized in that: the outer side of the telescopic rod (20) is wound with a damping spring, the damping spring is fixed by the outer end and the inner end of the fixing plate (18), the damping spring is fixed by the inner end and the outer end of the connecting block (19), the buffer springs are wound at the left end and the right end of the sliding rod (21), the outer side of each buffer spring is fixed by the corresponding end of the connecting block (19), and the inner end of each buffer spring is fixed by the outer end and the sliding block (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121796076.1U CN216134417U (en) | 2021-08-03 | 2021-08-03 | Switching power supply with high safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121796076.1U CN216134417U (en) | 2021-08-03 | 2021-08-03 | Switching power supply with high safety performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216134417U true CN216134417U (en) | 2022-03-25 |
Family
ID=80768914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121796076.1U Active CN216134417U (en) | 2021-08-03 | 2021-08-03 | Switching power supply with high safety performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216134417U (en) |
-
2021
- 2021-08-03 CN CN202121796076.1U patent/CN216134417U/en active Active
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