CN212850253U - Modified switching power supply structure - Google Patents
Modified switching power supply structure Download PDFInfo
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- CN212850253U CN212850253U CN202022249544.5U CN202022249544U CN212850253U CN 212850253 U CN212850253 U CN 212850253U CN 202022249544 U CN202022249544 U CN 202022249544U CN 212850253 U CN212850253 U CN 212850253U
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- switching power
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Abstract
The utility model relates to the technical field of machinery, and a modification type switching power supply structure is disclosed, the device comprises a device casing, the front end of device casing passes through the apron that is connected with of bolt fastening, the rear end lower part fixedly connected with extension board of apron, both sides fixedly connected with locating lever around the upper end of extension board, the fixed elastic rubber ring that cup joints in outside upper portion of locating lever, the holding ring has been cup jointed in the outside activity of locating lever, the upper end fixedly connected with connecting plate of holding ring, spacing spout has all been opened at both sides middle part around the upper end of connecting plate, the equal activity of inside of spacing spout is pegged graft and is had spacing slider, spacing slider's upper end fixedly connected with stripper plate. This modification type switching power supply structure, overall structure through equipment, can be convenient extrude fixedly to the circuit board, and open in the backup pad has the through-hole, the circulation of the circuit board lower part air of being convenient for, the radiating efficiency of increase circuit board.
Description
Technical Field
The utility model relates to the technical field of machinery, specifically be a modification type switching power supply structure.
Background
A switch mode power supply, also called a switching power supply, a switching converter, is a high frequency power conversion device, which is a kind of power supply. The function is to convert a level voltage into a voltage or current required by the user terminal through different types of architectures. The input of the switching power supply is mostly an alternating current power supply (such as commercial power) or a direct current power supply, the output of the switching power supply is mostly equipment requiring the direct current power supply, such as a personal computer, the switching power supply performs voltage and current conversion between the two, however, when the common switching power supply structure is used, the circuit board is inconvenient to fix, and holes are needed for fixing, so a modified switching power supply structure is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a modification type switching power supply structure, can be convenient extrude fixedly to the circuit board, and it has the through-hole to open in the backup pad, has been convenient for the circulation of circuit board lower part air, increases the radiating efficiency of circuit board, has solved current switching power supply structure when the operation, and the fixed of circuit board is inconvenient, needs the trompil to fix.
The utility model provides a following technical scheme: a modified switch power supply structure comprises a device shell, wherein the front end of the device shell is fixedly connected with a cover plate through a bolt, a support plate is fixedly connected with the lower part of the rear end of the cover plate, positioning rods are fixedly connected with the front side and the rear side of the upper end of the support plate, the upper part of the outer side of the positioning rod is fixedly sleeved with an elastic rubber ring, the outer side of the positioning rod is movably sleeved with a positioning ring, the upper end of the positioning ring is fixedly connected with a connecting plate, the middle parts of the front side and the rear side of the upper end of the connecting plate are respectively provided with a limiting sliding chute, the limiting sliding chutes are movably inserted with limiting sliding blocks, the upper ends of the limiting sliding blocks are fixedly connected with extrusion plates, the middle part of the upper side of the extrusion plate is inserted with a transmission screw rod through threads, the rear end of the transmission screw rod is fixedly connected with a rotating disc, the upper end fixedly connected with backup pad of connecting plate, it has the through-hole to run through about the backup pad.
Preferably, the number of the supporting plates is at least 4, and the supporting plates are fixedly connected to the upper end of the connecting plate at equal intervals.
Preferably, the transmission screw rods are movably inserted at the upper sides of the support plates.
Preferably, the through holes are provided with a plurality of through holes, and the through holes are uniformly formed in the supporting plate.
Preferably, the left and right threads of the drive screw are in opposite directions.
Preferably, the outer side of the rotating disc is fixedly sleeved with an anti-slip rubber layer.
Compared with the prior art, the utility model discloses possess following beneficial effect:
this modification type switching power supply structure through the overall structure of equipment, manual rotation rolling disc for stripper plate relative motion, can be convenient extrude fixedly to the circuit board, and it has the through-hole to open in the backup pad, has been convenient for the circulation of circuit board lower part air, increases the radiating efficiency of circuit board.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the upper portion of the support plate of the present invention;
fig. 3 is a right side view of the support plate of the present invention.
In the figure: 1. a device housing; 2. a cover plate; 3. a support plate; 4. positioning a rod; 5. an elastic rubber ring; 6. a positioning ring; 7. a connecting plate; 8. a limiting chute; 9. a limiting slide block; 10. a support plate; 11. a drive screw; 12. a pressing plate; 13. rotating the disc; 14. and a through hole.
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. 1-3, the present invention discloses a modified switching power supply structure, which comprises a device housing 1, the front end of the device shell 1 is fixedly connected with a cover plate 2 through a bolt, the lower part of the rear end of the cover plate 2 is fixedly connected with a support plate 3, the front side and the rear side of the upper end of the support plate 3 are fixedly connected with positioning rods 4, the upper part of the outer side of each positioning rod 4 is fixedly sleeved with an elastic rubber ring 5, a positioning ring 6 is movably sleeved outside the positioning rod 4, the upper end of the positioning ring 6 is fixedly connected with a connecting plate 7, the middle parts of the front side and the rear side of the upper end of the connecting plate 7 are respectively provided with a limiting sliding chute 8, the limiting sliding chutes 8 are movably inserted with limiting sliding blocks 9, the upper end of the limiting slide block 9 is fixedly connected with an extrusion plate 12, the middle of the upper side of the extrusion plate 12 is inserted with a transmission screw rod 11 through threads, and the thread directions of the left side and the right side of the transmission screw rod 11 are opposite. The driving screw 11 is movably inserted at the upper side of each supporting plate 10. The rear end of the transmission screw rod 11 is fixedly connected with a rotating disc 13, and an anti-slip rubber layer is fixedly sleeved on the outer side of the rotating disc 13. The upper end fixedly connected with backup pad 10 of connecting plate 7, the circuit board has been placed to the upper end of backup pad 10, and the circuit board is when placing, and manual rotation rolling disc 13 for stripper plate 12 relative motion can extrude the circuit board fixedly, and it has through-hole 14 to open on the backup pad 10, has been convenient for the circulation of circuit board lower part air, increases the radiating efficiency of circuit board, backup pad 10 is equipped with 4 at least, backup pad 10 equidistance fixed connection is in the upper end of connecting plate 7. The left side and the right side of the supporting plate 10 are provided with a plurality of through holes 14 in a penetrating mode, and the through holes 14 are evenly formed in the supporting plate 10.
During operation, the circuit board is when placing, and manual rotation rolling disc 13 for stripper plate 12 relative motion can extrude fixedly to the circuit board, and it has through-hole 14 to open on the backup pad 10, has been convenient for the circulation of circuit board lower part air, increases the radiating efficiency of circuit board.
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 (6)
1. A modified switching power supply structure comprises a device shell (1), and is characterized in that: the front end of the device shell (1) is fixedly connected with a cover plate (2) through bolts, the lower part of the rear end of the cover plate (2) is fixedly connected with a support plate (3), positioning rods (4) are fixedly connected with the front side and the rear side of the upper end of the support plate (3), the upper part of the outer side of each positioning rod (4) is fixedly sleeved with an elastic rubber ring (5), the outer side of each positioning rod (4) is movably sleeved with a positioning ring (6), the upper end of each positioning ring (6) is fixedly connected with a connecting plate (7), the middle parts of the front side and the rear side of the upper end of each connecting plate (7) are respectively provided with a limiting sliding groove (8), a limiting sliding block (9) is movably inserted in each limiting sliding groove (8), the upper end of each limiting sliding block (9) is fixedly connected with an extrusion plate (12), the middle part of the upper side of each extrusion plate (12, the upper end of the connecting plate (7) is fixedly connected with a supporting plate (10), and through holes (14) penetrate through the left side and the right side of the supporting plate (10).
2. A modified switching power supply structure according to claim 1, wherein: the number of the supporting plates (10) is at least 4, and the supporting plates (10) are fixedly connected to the upper end of the connecting plate (7) at equal intervals.
3. A modified switching power supply structure according to claim 1, wherein: the transmission screw rods (11) are movably inserted at the upper sides of the support plates (10).
4. A modified switching power supply structure according to claim 1, wherein: the through holes (14) are provided with a plurality of through holes, and the through holes (14) are uniformly formed in the support plate (10).
5. A modified switching power supply structure according to claim 1, wherein: the left and right threads of the transmission screw rod (11) are opposite in direction.
6. A modified switching power supply structure according to claim 1, wherein: and an anti-slip rubber layer is fixedly sleeved on the outer side of the rotating disc (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022249544.5U CN212850253U (en) | 2020-10-12 | 2020-10-12 | Modified switching power supply structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022249544.5U CN212850253U (en) | 2020-10-12 | 2020-10-12 | Modified switching power supply structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212850253U true CN212850253U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022249544.5U Active CN212850253U (en) | 2020-10-12 | 2020-10-12 | Modified switching power supply structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212850253U (en) |
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2020
- 2020-10-12 CN CN202022249544.5U patent/CN212850253U/en active Active
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