CN211090288U - Switching power supply with high safety performance - Google Patents
Switching power supply with high safety performance Download PDFInfo
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- CN211090288U CN211090288U CN201922460255.7U CN201922460255U CN211090288U CN 211090288 U CN211090288 U CN 211090288U CN 201922460255 U CN201922460255 U CN 201922460255U CN 211090288 U CN211090288 U CN 211090288U
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- heat dissipation
- groove
- dovetail
- dissipation plate
- power supply
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Abstract
The utility model discloses a switching power supply with high safety performance, which comprises a shell, wherein the surface of the top end of the shell is provided with a first mounting groove, dovetail grooves are respectively arranged at both sides of the first mounting groove, a fixing groove is arranged at one end of each dovetail groove, a heat dissipation plate is arranged in the first mounting groove, dovetail blocks are arranged on two sides of the heat dissipation plate, the dovetail block is positioned in the dovetail groove, two ends of one side of the heat dissipation plate are respectively provided with a connecting groove, the inner side of each connecting groove is provided with a second mounting groove, a tension spring is arranged on one side inside the second mounting groove, a fixing ring is arranged at one end of the tension spring, a fixing rod is arranged on one side of the fixing ring, the fixing rod penetrates through the fixing ring, the tension spring, the heat dissipation plate and the dovetail block, one end of the fixing rod is located inside the fixing groove, one side of the fixing rod is provided with a connecting rod, and the connecting rod penetrates through the connecting groove; the dovetail blocks are additionally arranged on the two sides of the heat dissipation plate, the heat dissipation plate does not need to be fixed through screws, and workers can fix the heat dissipation plate conveniently.
Description
Technical Field
The utility model belongs to the technical field of switching power supply, concretely relates to switching power supply that security performance is high.
Background
A switch mode power supply, also known as a switching power supply and a switch converter, is a high-frequency electric energy conversion device, is a power supply, and has the function of converting a level voltage into a voltage or a current required by a user terminal through different forms of architectures, and the switch power supply has the advantages of small volume, light weight, small power consumption and high efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching power supply that security performance is high to it needs to pass through the fix with screw to propose among the above-mentioned background art current switching power supply equipment in-process, when maintainer maintains switching power supply, need lift the heating panel off earlier, dismantle the heating panel and need take off the screw earlier through specialized tool earlier, the process is loaded down with trivial details, the screw of taking off is small, and loses easily, fixes the problem of bringing inconvenience once more for the heating panel.
In order to achieve the above object, the utility model provides a following technical scheme: a switching power supply with high safety performance comprises a shell, wherein a first mounting groove is formed in the top end surface of the shell, dovetail grooves are formed in two sides of the first mounting groove, a fixing groove is formed in one end of each dovetail groove, a heat dissipation plate is arranged inside the first mounting groove, dovetail blocks are arranged on two sides of each heat dissipation plate, the dovetail blocks are located inside the dovetail grooves, connecting grooves are formed in two ends of one side of each heat dissipation plate, a second mounting groove is formed in the inner side of each connecting groove, a tension spring is arranged on one side inside the second mounting groove, a fixing ring is arranged at one end of each tension spring, a fixing rod is arranged on one side of each fixing ring and penetrates through the fixing rings, the tension springs, the heat dissipation plates and the dovetail blocks, one end of each fixing rod is located, the slider is located at one side of the heat dissipation plate.
Preferably, the heating panel bottom is provided with the wiring board, the wiring board top is provided with the electric wire, the electric wire and the wiring board junction outside are provided with the protective sheath, protective sheath one end is located heating panel bottom surface, the protective sheath other end is located the electric wire outside.
Preferably, the heat dissipation plate is fixedly connected with the dovetail block, and the heat dissipation plate is slidably connected with the shell through the dovetail block and the dovetail groove.
Preferably, extension spring one end is through second mounting groove and heating panel fixed connection, the extension spring other end and solid fixed ring fixed connection.
Preferably, one end of the connecting rod is fixedly connected with the sliding block, the other end of the connecting rod is fixedly connected with the fixing rod, heat dissipation holes are formed in the surface of the top end of the heat dissipation plate, and the heat dissipation holes penetrate through the heat dissipation plate.
Preferably, one side of the end face of the fixing rod is an inclined plane, and the inclined plane is located inside the fixing groove.
Preferably, both ends of one side of the sliding block are inclined planes, and the fixing ring is fixedly connected with the fixing rod.
Preferably, the protective sleeve is fixedly connected with the shell, and the other end of the protective sleeve is tightly connected with the electric wire.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the dovetail blocks are additionally arranged on two sides of the heat dissipation plate, when the heat dissipation plate needs to be fixed, the heat dissipation plate is moved, the dovetail blocks are driven by the heat dissipation plate to move, the fixed rods are driven by the dovetail blocks to move, the dovetail blocks are aligned to the dovetail grooves, then the heat dissipation plate is pushed, the dovetail blocks are driven by the heat dissipation plate to slide along the dovetail grooves, when the fixed rods are in contact with the dovetail grooves, the fixed rods move towards one side of the second installation groove under the action of an inclined plane and force, the fixed rods drive the fixed rings to move, the fixed rings stretch the tension springs, when one ends of the fixed rods enter the dovetail blocks, the dovetail blocks continue to slide along the dovetail grooves, when the fixed rods are in contact with the fixed grooves, the fixed rings are driven by the tension springs to reset at the moment, the fixed rings drive the fixed rods to reset, the operation is finished, the heat dissipation plate does not need to be fixed through screws, and workers can fix the heat dissipation plate conveniently.
(2) Through install the protective sheath additional in the wiring board and the electric wire junction outside, the protective sheath is insulating elastic material, under the protection of protective sheath, has avoided electric wire and wiring board junction to expose outside, has further improved switching power supply's security performance.
Drawings
Fig. 1 is a schematic structural diagram of a switching power supply of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic cross-sectional view of the heat dissipating plate of the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 3;
FIG. 5 is a schematic sectional view of a second mounting groove of the present invention;
FIG. 6 is a schematic view of the protective sheath of the present invention;
in the figure: 1. a housing; 2. a heat dissipation plate; 3. heat dissipation holes; 4. a protective sleeve; 5. a slider; 6. a connecting rod; 7. a dovetail block; 8. a first mounting groove; 9. a second mounting groove; 10. fixing the rod; 11. fixing grooves; 12. a fixing ring; 13. a tension spring; 14. a dovetail groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a switching power supply with high safety performance comprises a shell 1, wherein the top end surface of the shell 1 is provided with a first mounting groove 8, dovetail grooves 14 are respectively formed in two sides of the first mounting groove 8, one end of each dovetail groove 14 is provided with a fixing groove 11, a heat dissipation plate 2 is arranged in the first mounting groove 8, dovetail blocks 7 are respectively arranged on two sides of each heat dissipation plate 2, each dovetail block 7 is positioned in each dovetail groove 14, two ends of one side of each heat dissipation plate 2 are respectively provided with a connecting groove, a second mounting groove 9 is arranged in the inner side of each connecting groove, one side of the inner part of each second mounting groove 9 is provided with a tension spring 13, one end of each tension spring 13 is provided with a fixing ring 12, one side of each fixing ring 12 is provided with a fixing rod 10, each fixing rod 10 penetrates through the fixing rings 12, the tension springs 13, the slider 5 is located on the side of the heat radiating plate 2.
In order to improve the safety performance of the switching power supply, in this embodiment, preferably, the bottom end of the heat dissipation plate 2 is provided with a wiring board, the top end of the wiring board is provided with an electric wire, the outer side of the joint of the electric wire and the wiring board is provided with a protective sleeve 4, one end of the protective sleeve 4 is located on the surface of the bottom end of the heat dissipation plate 2, and the other end of the protective sleeve.
In order to facilitate sliding of the heat sink 2, in the present embodiment, it is preferable that the heat sink 2 is fixedly connected to the dovetail block 7, and the heat sink 2 is slidably connected to the case 1 via the dovetail block 7 and the dovetail groove 14.
In order to facilitate the resetting of the fixing ring 12, in the embodiment, preferably, one end of the tension spring 13 is fixedly connected to the heat dissipation plate 2 through the second mounting groove 9, and the other end of the tension spring 13 is fixedly connected to the fixing ring 12.
In order to facilitate the heat dissipation performance of the switching power supply, in this embodiment, preferably, one end of the connecting rod 6 is fixedly connected to the slider 5, the other end of the connecting rod 6 is fixedly connected to the fixing rod 10, the heat dissipation hole 3 is formed in the surface of the top end of the heat dissipation plate 2, and the heat dissipation hole 3 penetrates through the heat dissipation plate 2.
In order to facilitate the fixing rod 10 to enter the inside of the fixing groove 11, in this embodiment, it is preferable that one side of the end surface of the fixing rod 10 is a slope, and the slope is located inside the fixing groove 11.
In order to facilitate sliding the sliding block 5, in this embodiment, preferably, both ends of one side of the sliding block 5 are inclined surfaces, and the fixing ring 12 is fixedly connected with the fixing rod 10.
In order to fix the protective sleeve 4, in this embodiment, it is preferable that the protective sleeve 4 is fixedly connected to the housing 1, and the other end of the protective sleeve 4 is tightly connected to the electric wire.
The utility model discloses a theory of operation and use flow: after the device is finished, the dovetail block (7) is additionally arranged on two sides of the heat dissipation plate (2), when the heat dissipation plate (2) needs to be fixed, the heat dissipation plate (2) is moved, the dovetail block (7) is driven by the heat dissipation plate (2) to move, the fixing rod (10) is driven by the dovetail block (7) to move, the dovetail block (7) is aligned to the dovetail groove (14), then the heat dissipation plate (2) is pushed, the dovetail block (7) is driven by the heat dissipation plate (2) to slide along the dovetail groove (14), when the fixing rod (10) is in contact with the dovetail groove (14), the fixing rod (10) moves towards one side of the second installation groove (9) under the action of an inclined plane and force, the fixing rod (10) drives the fixing ring (12) to move, the fixing ring (12) stretches the tension spring (13), when one end of the fixing rod (10) enters the dovetail block (7), the dovetail block (7) continues to slide along the dovetail groove (14), when dead lever (10) and fixed slot (11) contact, this moment under extension spring (13) elastic effect, drive solid fixed ring (12) by extension spring (13) and reset, gu fixed ring (12) drive dead lever (10) and reset, make dead lever (10) one end get into inside fixed slot (11), accomplish spacing to dovetail block (7), and then accomplish the fixed to heating panel (2), the operation is accomplished, need not through fix with screw heating panel (2), staff's fixed heating panel (2) of having been convenient for, through install protective sheath (4) additional in the wiring board and the electric wire connection department outside, protective sheath (4) are insulating elastic material, under the protection of protective sheath (4), avoided electric wire and wiring board junction to expose outside, switching power supply's security performance has further been improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A switching power supply with high safety performance comprises a shell (1), and is characterized in that: the heat dissipation device is characterized in that a first mounting groove (8) is formed in the top end surface of the shell (1), dovetail grooves (14) are formed in two sides of the first mounting groove (8), a fixing groove (11) is formed in one end of each dovetail groove (14), a heat dissipation plate (2) is arranged inside the first mounting groove (8), dovetail blocks (7) are arranged on two sides of each heat dissipation plate (2), each dovetail block (7) is located inside each dovetail groove (14), connecting grooves are formed in two ends of one side of each heat dissipation plate (2), a second mounting groove (9) is formed in the inner side of each connecting groove, tension springs (13) are arranged on one side of the inner portion of each second mounting groove (9), a fixing ring (12) is arranged at one end of each tension spring (13), a fixing rod (10) is arranged on one side of each fixing ring (12), and each fixing rod (10) penetrates, dead lever (10) one end is located inside fixed slot (11), dead lever (10) one side is provided with connecting rod (6), connecting rod (6) run through the spread groove, connecting rod (6) other end is provided with slider (5), slider (5) are located heating panel (2) one side.
2. A high-safety switching power supply according to claim 1, characterized in that: heating panel (2) bottom is provided with the wiring board, the wiring board top is provided with the electric wire, the electric wire and the wiring board junction outside are provided with protective sheath (4), protective sheath (4) one end is located heating panel (2) bottom surface, protective sheath (4) other end is located the electric wire outside.
3. A high-safety switching power supply according to claim 1, characterized in that: the heat dissipation plate (2) is fixedly connected with the dovetail block (7), and the heat dissipation plate (2) is connected with the shell (1) in a sliding mode through the dovetail block (7) and the dovetail groove (14).
4. A high-safety switching power supply according to claim 1, characterized in that: extension spring (13) one end passes through second mounting groove (9) and heating panel (2) fixed connection, the extension spring (13) other end and solid fixed ring (12) fixed connection.
5. A high-safety switching power supply according to claim 1, characterized in that: connecting rod (6) one end and slider (5) fixed connection, connecting rod (6) other end and dead lever (10) fixed connection, louvre (3) have been seted up on heating panel (2) top surface, louvre (3) run through heating panel (2).
6. A high-safety switching power supply according to claim 1, characterized in that: one side of the end face of the fixing rod (10) is an inclined plane, and the inclined plane is located inside the fixing groove (11).
7. A high-safety switching power supply according to claim 1, characterized in that: both ends of one side of the sliding block (5) are inclined planes, and the fixing ring (12) is fixedly connected with the fixing rod (10).
8. A high-safety switching power supply according to claim 2, characterized in that: the protective sleeve (4) is fixedly connected with the shell (1), and the other end of the protective sleeve (4) is tightly connected with the electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460255.7U CN211090288U (en) | 2019-12-31 | 2019-12-31 | Switching power supply with high safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922460255.7U CN211090288U (en) | 2019-12-31 | 2019-12-31 | Switching power supply with high safety performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211090288U true CN211090288U (en) | 2020-07-24 |
Family
ID=71631694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922460255.7U Active CN211090288U (en) | 2019-12-31 | 2019-12-31 | Switching power supply with high safety performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211090288U (en) |
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2019
- 2019-12-31 CN CN201922460255.7U patent/CN211090288U/en active Active
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