CN210724549U

CN210724549U - Switch type programmable direct current power supply

Info

Publication number: CN210724549U
Application number: CN201922268050.9U
Authority: CN
Inventors: 刘兴棘
Original assignee: Jishili Electronics Suzhou Co ltd
Current assignee: Jishili Electronics Suzhou Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-06-09
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a switch type programmable DC power supply in the technical field of power supply, the bottom of a shell is symmetrically provided with supporting legs, different surfaces are close, an L-shaped buffer block is clamped between clamping grooves, two inner side surfaces of the L-shaped buffer block are clamped with the outer corner surface wall of the shell, the L-shaped buffer block is fixedly connected with the shell through a first through locking screw, a protection plate is inserted between the L-shaped buffer blocks at the left and right sides, the inner side surface of the protection plate is bonded with a buffer pad, a cooling fan is arranged between the protection plate and a cooling hole, the cooling fan is connected with a fan motor arranged at one side through a transmission shaft, two ends of the anti-collision plate are movably connected with one end of the L-shaped buffer block arranged at the top surface of the shell, the utility model enables the shell to have the anti-collision and buffering performance, protects the shell from being damaged, the safety of the power supply is also improved.

Description

Switch type programmable direct current power supply

Technical Field

The utility model relates to the technical field of power, specifically be a switch-type DC power supply able to programme.

Background

The dc power supply is a device for maintaining a constant voltage and current in a circuit. Such as dry batteries, dc generators, etc.

The packaging box body used by the conventional direct current power supply is mostly formed by processing materials with low structural strength, so that the box body has poor impact resistance, and the box body is frequently easy to damage or sink, thereby influencing the use of the power supply.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch type DC power supply able to programme to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a switch type programmable direct current power supply comprises a shell, wherein supporting legs are symmetrically arranged at the bottom of the shell, anti-skid pads are bonded on the bottom surfaces of the supporting legs, clamping grooves along the long edge direction of the supporting legs are formed in the left side, the right side, the upper side, the lower side and the left side of the upper side wall and the lower side wall of the shell, L-shaped buffer blocks are clamped between the clamping grooves with different surfaces close to each other, two inner side surfaces of the L-shaped buffer blocks are clamped with an outer corner surface wall of the shell, the L-shaped buffer blocks are fixedly connected with the shell through penetrating first locking screws, the outer corners of the L-shaped buffer blocks are wrapped with rubber pads, protection plates are inserted between the L-shaped buffer blocks on the same left side and the same right side, cushion pads are bonded on the inner side surfaces of the protection plates, elastic anti-collision layers are pressed on the outer side surfaces of the protection plates, be provided with radiator fan between guard plate and the thermovent, radiator fan passes through the transmission shaft and is connected with the fan motor that one side set up, the casing top surface is provided with scalable short column, scalable shortening capital portion fixed connection anticollision board, anticollision board both ends and the L type buffer block one end swing joint who locates the casing top surface.

Furthermore, the two groups of L-shaped buffer blocks positioned on the top surface are provided with grooves matched with the two ends of the anti-collision plate, flat springs are arranged in the grooves, the two ends of the anti-collision plate are slidably connected with the L-shaped buffer blocks, and the bottom surfaces of the two ends of the anti-collision plate are fixedly connected with one ends of the flat springs.

Further, the guard plate both ends are provided with integrated into one piece and the sand grip of being connected with L type buffer block, just set up a plurality of louvre with the vent adaptation on the guard plate, the mounting groove with the radiator fan adaptation is seted up to the guard plate medial surface.

Further, the length of guard plate is the same with the side length of casing, just there is the difference in height guard plate outside lateral wall and the equidirectional outer terminal surface of L type buffer block, a plurality of screw holes have been seted up on the guard plate.

Furthermore, the elastic anti-collision layer is a silica gel pad which is bonded and pressed on the whole outer side face of the protection plate.

Further, a clamping groove is formed in one end of the L-shaped buffer block, and the L-shaped buffer block is of a strip-shaped block structure matched with the shell in length.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the result is simple, and reasonable design, be provided with the L type buffer block rather than the size adaptation through the corner face wall department at the box body, and the outer corner face department of L type buffer block is provided with the rubber pad, make the corner of box body when receiving the striking, can effectively play the guard action to the box body outer wall, and the casing face wall between the corner face is provided with the guard plate outward, the integrated configuration of elastic protection layer and blotter, can effectively reduce the injury of striking to the casing, also can protect the casing can not by sharp weapon fish tail, the top surface of casing is provided with elastic expansion's crashproof board simultaneously, can effectively protect the top surface of casing, the life-span of box body has been prolonged, the security of power use has been ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a side view section structure of the utility model a.

In the figure: 1. a housing; 2. supporting legs; 3. a non-slip mat; 4. a card slot; 5. an L-shaped buffer block; 6. a first locking screw; 7. a rubber pad; 8. a protection plate; 9. a cushion pad; 10. an elastic anti-collision layer; 11. a heat dissipation port; 12. a heat radiation fan; 13. a second locking screw; 14. a fan motor; 15. a retractable short column; 16. an anti-collision plate; 17. a flat spring; 18. and (4) a groove.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

The utility model provides a switch type programmable DC power supply, which ensures that the shell has the anti-collision buffer performance, protects the shell from being damaged, prolongs the service life of the shell and improves the safety of the power supply;

referring to fig. 1, supporting legs 2 are symmetrically arranged at the bottom of a shell 1, anti-slip pads 3 are bonded on the bottom surfaces of the supporting legs 2, the anti-slip pads 3 are arranged to increase the stability of power supply placement, clamping grooves 4 are formed in the left side, the right side, the upper side and the lower side of the shell 1 and in the left side and the right side of the upper side wall and the lower side wall of the shell along the long edge direction of the shell, and the positions where the clamping grooves 4 are formed;

referring to fig. 1, an L-shaped buffer block 5 is clamped between adjacent slots 4 on different surfaces, two inner side surfaces of the L-shaped buffer block 5 are clamped with the outer corner surface wall of a shell 1, the outer corner surface of the shell 1 is wrapped by the L-shaped buffer block 5 to avoid direct influence of external impact force, the L-shaped buffer block 5 is made of rubber materials and aluminum strips, the aluminum strips are clamped with the slots 4, the L-shaped buffer block 5 is fixedly connected with the shell 1 through a first through locking screw 6, the outer corner of the L-shaped buffer block 5 is wrapped with a rubber pad 7, the rubber pad 7 is fixedly adhered to the outer corner of the L-shaped buffer block 5, the corner surface of the L-shaped buffer block 5 is of an arc structure, and the L-shaped buffer block 5 is arranged at the outer corner of the shell 1 to avoid the problem that the shell corner is damaged by external impact;

referring to fig. 1, a protection plate 8 is inserted between the left and right L-shaped buffer blocks 5 on the same side, the protection plate 8 is an aluminum plate structure with damping sheets made of milky butyl rubber attached to both sides, a buffer pad 9 is bonded to the inner side of the protection plate 8, an elastic anti-collision layer 10 is pressed on the outer side of the protection plate 8, the elastic anti-collision layer 10 is a silica gel pad bonded to the whole outer side of the protection plate 8, the elastic anti-collision layer 10 is arranged to prevent the outer wall of the shell 1 from being damaged by collision and prevent the outer wall of the shell 1 from being scratched by a sharp tool, and the impact force transmitted to the shell 1 is effectively reduced by the arrangement of the buffer pad 9 and the protection plate 8, so that the shell 1 is protected from being damaged, and two ends of the elastic anti-collision layer 10 are fixedly connected with the shell 1 through second;

referring to fig. 1, heat dissipation ports 11 are formed in left and right side walls of a housing 1, a heat dissipation fan 12 is arranged between a protection plate 8 and the heat dissipation ports, the heat dissipation fan 12 is connected with a fan motor 14 arranged on one side through a transmission shaft, the fan motor 14 is electrically connected with a power supply module in a power supply, heat in the housing 1 is effectively dissipated through the heat dissipation fan 12 and the heat dissipation ports, and a cooling effect is achieved;

referring to fig. 1, a retractable short column 15 is disposed on the top surface of the housing 1, the retractable short column 15 is a structure formed by two sections of plastic sleeves in a sliding sleeved manner and is used for adapting to the floating of an anti-collision plate 16, the top of the retractable short column 15 is fixedly connected with the anti-collision plate 16, two ends of the anti-collision plate 16 are movably connected with one end of an L-shaped buffer block 5 disposed on the top surface of the housing 1, the anti-collision plate 16 can float up and down on the top surface of the housing 1, and the anti-collision plate 16 is not in direct contact with the housing 1, so that the impact force is reduced.

Referring to fig. 2, one end of each of the two sets of L-shaped buffer blocks 5 on the top surface is provided with a groove 18 adapted to two ends of the anti-collision plate 16, a flat spring 17 is disposed in the groove 18, when the anti-collision plate 16 is impacted by an external force, the flat spring 17 is compressed inwards, the elastic potential energy of the flat spring 17 reduces and counteracts the external impact force, the housing 1 is protected, two ends of the anti-collision plate 16 are slidably connected to the L-shaped buffer blocks 5, and bottom surfaces of two ends of the anti-collision plate 16 are fixedly connected to one end of the flat spring 17.

The sand grip that 8 both ends of guard plate were provided with integrated into one piece and were connected with L type buffer block 5, and the guard plate 8 of being convenient for is pegged graft fixedly through sand grip and L type buffer block 5, and sets up a plurality of louvre with the vent adaptation on the guard plate 8, and the mounting groove with 12 adaptations of radiator fan is seted up to 8 medial surfaces of guard plate.

The length of guard plate 8 is the same with casing 1's side length, and there is the difference in height guard plate 8 outside lateral wall and L type buffer block 5 syntropy outer terminal surface, has seted up a plurality of screw holes on the guard plate 8.

The joint groove has been seted up to 5 one end of L type buffer block, and L type buffer block 5 is the bar blocking structure of length and 1 adaptation of casing.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

1. A switch-mode programmable dc power supply comprising a housing (1), characterized in that: the anti-collision protective device is characterized in that supporting legs (2) are symmetrically arranged at the bottom of the shell (1), anti-slip pads (3) are bonded on the bottom surfaces of the supporting legs (2), clamping grooves (4) along the long edge direction are formed in the left side, the right side, the upper side, the lower side and the left side and the right side of the upper side wall and the lower side wall of the shell (1), different surfaces are close to each other, L-shaped buffer blocks (5) are clamped between the clamping grooves (4), two inner side surfaces of the L-shaped buffer blocks (5) are clamped with outer corner surfaces of the shell (1), the L-shaped buffer blocks (5) are fixedly connected with the shell (1) through penetrating first locking screws (6), rubber pads (7) wrap outer corners of the L-shaped buffer blocks (5), protective plates (8) are inserted between the L-shaped buffer blocks (5) at the left side and the right side, buffer plates (8) are bonded with buffer pads (9, elasticity anticollision layer (10) both ends are through second locking screw (13) and casing (1) fixed connection that runs through guard plate (8), thermovent (11) have been seted up to lateral wall about casing (1), be provided with radiator fan (12) between guard plate (8) and thermovent (11), radiator fan (12) are connected through fan motor (14) that the transmission shaft set up with one side, casing (1) top surface is provided with scalable short column (15), scalable short column (15) top fixed connection anticollision board (16), anticollision board (16) both ends and L type buffer block (5) one end swing joint of locating casing (1) top surface.

2. A switched mode programmable dc power supply as claimed in claim 1, wherein: the anti-collision device is characterized in that the two groups of L-shaped buffer blocks (5) are arranged on the top surface, one ends of the L-shaped buffer blocks (5) are provided with grooves (18) matched with the two ends of an anti-collision plate (16), flat springs (17) are arranged in the grooves (18), the two ends of the anti-collision plate (16) are connected with the L-shaped buffer blocks (5) in a sliding mode, and the bottom surfaces of the two ends of the anti-collision plate (16) are fixedly connected with one ends of the flat springs.

3. A switched mode programmable dc power supply as claimed in claim 2, wherein: the novel air conditioner is characterized in that raised lines which are integrally formed and connected with the L-shaped buffer blocks (5) are arranged at two ends of the protection plate (8), a plurality of heat dissipation holes matched with the ventilation openings are formed in the protection plate (8), and a mounting groove matched with the heat dissipation fan (12) is formed in the inner side surface of the protection plate (8).

4. A switched mode programmable dc power supply as claimed in claim 3, wherein: the length of guard plate (8) is the same with the side length of casing (1), just there is the difference in height guard plate (8) outside lateral wall and L type buffer block (5) syntropy outer terminal surface, a plurality of screw holes have been seted up on guard plate (8).

5. A switched mode programmable dc power supply as claimed in claim 4, wherein: the elastic anti-collision layer (10) is a silica gel pad which is bonded and pressed on the whole outer side surface of the protection plate (8).

6. A switched mode programmable dc power supply as claimed in claim 5, wherein: l type buffer block (5) one end has been seted up the joint groove, just L type buffer block (5) are the bar block structure of length and casing (1) adaptation.