Portable direct-current power supply

Abstract

The utility model provides a portable DC power supply, belonging to the DC power supply technology field, the portable DC power supply comprises a power supply box and a sealing door hinged on the side wall of the power supply box, the bottom end of the power supply box is provided with an adjusting groove, a lifting plate is inserted in the adjusting groove in a sliding manner, and the lifting plate is connected with the power supply box. Positioning grooves are formed in the two sides of the inner wall of the adjusting groove, a telescopic groove is formed in the side wall of the lifting plate, positioning blocks clamped with the positioning grooves are elastically inserted into the telescopic groove, extrusion blocks slidably inserted into the positioning grooves are arranged at the bottom end of the outer wall of the power box in a protruding mode, and grooves are formed in the two ends of the power box; according to the portable direct-current power supply, the situation that the power supply box cannot operate due to the fact that power equipment is installed in the power supply box, the space is occupied, and the power supply box is insufficient in power is avoided, and the portability of the power supply box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of direct current power supplies, in particular to a portable direct current power supply. Background Art

[0002] The power supply box mainly provides operating power for vacuum circuit breakers and other high-voltage switches. The power supply box uses an input voltage of 220V or 380V, which is rectified by a thyristor voltage regulator and outputs DC. It has the characteristics of outputting DC voltage with multiple adjustable currents or AC voltage, and can perform single-open and single-close operations.

[0003] The patent with application number 202223377100.5 discloses a portable DC power supply box, including a box body, a box door is installed on the front of the box body, and a handle is fixedly provided on the top of the box body, sleeves are fixedly provided near the top of both sides of the box body, and carrying rings are inserted in the sleeves of the box body, a clamping sleeve is fixedly provided on the back of the box body, and a mounting plate is embedded in the inner side of the clamping sleeve, the clamping sleeve and the mounting plate are fixedly connected by bolts, and a mounting hole is also provided on the mounting plate, a bottom groove is provided in the middle position of the bottom of the box body, and a connecting bottom plate is provided in the bottom groove, a roller is installed at the bottom of the connecting bottom plate, and an adjusting curved plate is fixedly provided on the top of the connecting bottom plate, and a reset spring is installed at the bottom of the adjusting curved plate, electric push rods are installed on both sides of the box body, and the output ends of the electric push rods are connected to arc-shaped push plates, and windshield dust shields are provided outside the windshields on both sides of the box body.

[0004] The above technical solution drives the lifting plate with rollers installed to move through the electric push rod, so that the rollers on the lifting plate support the power box, making the power box easy to carry. First of all, installing the electric push rod will take up the space of the power supply, and the electric push rod will consume the electric energy in the power box when in use, and when the power box is in a low-power state, the electric push rod cannot be powered, which causes the rollers at the bottom of the power box to be unable to move downward to support it, affecting the portability of the power box. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and to provide a portable DC power supply, which realizes the function of fixing the lifting plate after adjustment by cooperating with a sliding lifting plate structure and an elastically arranged positioning block structure engaged with a positioning groove, thereby solving the problem that when the power box is in a power-deficient state, the electric push rod cannot be powered, resulting in the roller at the bottom of the power box being unable to move downward to support it.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a portable DC power supply, which includes a power box and a sealed door hingedly installed on the side wall of the power box, an adjustment groove is provided at the bottom end of the power box, a lifting plate is slidably inserted in the adjustment groove, and positioning grooves are provided on both sides of the inner wall of the adjustment groove, a telescopic groove is provided on the side wall of the lifting plate, a positioning block that is elastically inserted in the telescopic groove and is engaged with the positioning groove, wherein an extrusion block that is slidably inserted in the positioning groove is protruded from the bottom end of the outer wall of the power box.

[0007] When the portable DC power supply of the present technical solution is used, an adjustment slot is provided at the bottom of the power box, and the power box is supported by the anti-skid pads on both sides of its bottom surface when placed. When the power box is moved, the positioning block is pushed out of the positioning slot at the top of the inner wall of the adjustment slot by the extrusion block, and the lifting plate moves downward in the adjustment slot under the influence of gravity. After the lifting plate moves to the bottom of the adjustment slot, the spring in the telescopic slot pushes the positioning block to be inserted into the positioning slot at the bottom of the inner wall of the adjustment slot, so that the lifting plate is kept fixed at the bottom of the adjustment, and after being fixed, the power box is supported by the rollers protruding from its bottom end. During the support process, the power box is pushed to move its rollers, thereby avoiding the situation where the power box is installed with power equipment and cannot operate due to power loss, thereby improving the portability of the power box; by symmetrically providing lifting holes at the top of the power box, when the rollers at the bottom of the lifting plate support the power box, the push rod is pulled upward to drive the lifting rod and the support rod to move upward, and the height of the push rod is adjusted during the movement, so that the push rod moves to a position suitable for the height of the user, thereby improving the convenience of pushing the power box to move.

[0008] Preferably, grooves are provided at both ends of the power box, and anti-slip pads are fixed on both sides of the bottom end surface of the power box, a heat conducting plate is embedded and fixed in the groove, and a plurality of heat sinks are fixed on the side walls of the heat conducting plate.

[0009] Furthermore, a display screen is fixed to the top end of the side wall of the sealed door, and a plurality of control buttons are fixed to the bottom end of the side wall of the sealed door.

[0010] Furthermore, handles are fixed on both sides of the top surface of the power box, and lifting holes are symmetrically opened on the top of the power box.

[0011] Furthermore, a support rod is slidably inserted in the lifting hole, and a lifting rod is slidably installed on the top end of the support rod.

[0012] Furthermore, push rods are fixed to the top ends of the two lifting rods, and the two ends of the support rod are respectively connected to the inner wall of the lifting hole and the lifting rod damping.

[0013] Furthermore, a spring is embedded in the telescopic slot, and two ends of the spring are respectively in contact with the inner wall of the telescopic slot and the positioning block.

[0014] The beneficial effects of the utility model are:

[0015] (1) The utility model provides an adjustment slot at the bottom end of the power box. When the power box is placed, it is supported by the anti-skid pads on both sides of its bottom end surface. When the power box is moved, the positioning block is pushed out of the positioning slot at the top end of the inner wall of the adjustment slot by the extrusion block. The lifting plate moves downward in the adjustment slot under the influence of gravity. After the lifting plate moves to the bottom of the adjustment slot, the spring in the telescopic slot pushes the positioning block to be inserted into the positioning slot at the bottom end of the inner wall of the adjustment slot, so that the lifting plate remains fixed at the bottom of the adjustment. After being fixed, the power box is supported by the rollers protruding from its bottom. During the supporting process, the power box is pushed to move its rollers, thereby avoiding the situation where the power box is installed in the power equipment and cannot operate due to power shortage, thereby improving the portability of the power box.

[0016] (2) The utility model symmetrically opens lifting holes on the top of the power box. When the rollers at the bottom of the lifting plate support the power box, the push rod is pulled upward to drive the lifting rod and the support rod to move upward. During the movement, the height of the push rod is adjusted to move the push rod to a position suitable for the height of the user, thereby improving the convenience of pushing the power box to move. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the power supply box of the utility model;

[0019] Figure 3 This is a schematic diagram of the cross-sectional structure of the power supply box of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the power box of the utility model.

[0021] The marks in the attached drawings are: 1. power box; 2. control button; 3. sealing door; 4. display screen; 5. handle; 6. push rod; 7. heat conduction plate; 8. groove; 9. heat sink; 10. lifting rod; 11. anti-slip pad; 12. roller; 13. lifting plate; 14. support rod; 15. lifting hole; 16. telescopic slot; 17. adjustment slot; 18. positioning slot; 19. extrusion block; 20. positioning block; 21. spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] Embodiment 1

[0026] like Figure 1 and Figure 2 As shown, the present embodiment provides a portable DC power supply, which includes a power box 1 and a sealed door 3 hingedly mounted on the side wall of the power box 1, an adjusting groove 17 is provided at the bottom end of the power box 1, a lifting plate 13 is slidably inserted in the adjusting groove 17, and positioning grooves 18 are provided on both sides of the inner wall of the adjusting groove 17, a telescopic groove 16 is provided on the side wall of the lifting plate 13, a positioning block 20 elastically inserted in the telescopic groove 16 and engaged with the positioning groove 18, wherein an extrusion block 19 slidably inserted in the positioning groove 18 is protruded from the bottom end of the outer wall of the power box 1.

[0027] Both ends of the power supply box 1 are provided with grooves 8, and anti-slip pads 11 are fixed on both sides of the bottom end surface of the power supply box 1, a heat conducting plate 7 is embedded and fixed in the groove 8, and a plurality of heat sinks 9 are fixed on the side wall of the heat conducting plate 7. The heat conducting plate 7 in the groove 8 absorbs the heat generated by the DC power supply device, and dissipates the heat through the plurality of heat sinks 9 after absorption. Since the DC power supply device is in a sealed state during the heat dissipation process, the influence of external dust on the use of the DC power supply device is avoided. A display screen 4 is fixed on the top end of the side wall of the sealed door 3, and a plurality of control buttons 2 are fixed on the bottom end of the side wall of the sealed door 3. Handles 5 are fixed on both sides of the top surface, and lifting holes 15 are symmetrically opened at the top of the power box 1, in which a support rod 14 is slidably inserted, and a lifting rod 10 is slidably installed on the top of the support rod 14, and push rods 6 are fixed to the tops of the two lifting rods 10, and the two ends of the support rod 14 are respectively connected with the inner wall of the lifting hole 15 and the lifting rod 10 with damping. When the roller 12 at the bottom end of the lifting plate 13 supports the power box 1, the push rod 6 is pulled upward to drive the lifting rod 10 and the support rod 14 to move upward, and the height of the push rod 6 is adjusted during the movement to move the push rod 6 to a position suitable for the height of the user.

[0028] like Figure 3 and Figure 4 As shown, a spring 21 is embedded in the telescopic slot 16, and the two ends of the spring 21 are respectively in contact with the inner wall of the telescopic slot 16 and the positioning block 20. When the power box 1 is moved, the positioning block 20 is pushed out of the positioning slot 18 at the top of the inner wall of the adjustment slot 17 by the extrusion block, and the lifting plate 13 moves downward in the adjustment slot 17 under the influence of gravity. After the lifting plate 13 moves to the bottom of the adjustment slot 17, the spring 21 in the telescopic slot 16 pushes the positioning block 20 to be inserted into the positioning slot 18 at the bottom end of the inner wall of the adjustment slot 17, so that the lifting plate 13 remains fixed at the bottom of the adjustment, and after being fixed, the power box 1 is supported by the roller 12 protruding from its bottom.

[0029] Working steps

[0030] When the power box 1 is placed, it is supported by the anti-skid pads 11 on both sides of its bottom end surface. When the power box 1 is moved, the extrusion block pushes the positioning block 20 out of the positioning slot 18 at the top of the inner wall of the adjustment slot 17, and the lifting plate 13 moves downward in the adjustment slot 17 under the influence of gravity. After the lifting plate 13 moves to the bottom of the adjustment slot 17, the spring 21 in the telescopic slot 16 pushes the positioning block 20 to be inserted into the positioning slot 18 at the bottom of the inner wall of the adjustment slot 17, so that the lifting plate 13 remains fixed at the bottom of the adjustment, and after being fixed, it passes through its The roller 12 protruding from the bottom end supports the power box 1. During the supporting process, the power box 1 is pushed to move its roller 12, thereby avoiding the situation where the power box 1 cannot operate due to power shortage when the power equipment is installed and takes up space. When the roller 12 at the bottom end of the lifting plate 13 supports the power box 1, the push rod 6 is pulled upward to drive the lifting rod 10 and the support rod 14 to move upward, and the height of the push rod 6 is adjusted during the movement to move the push rod 6 to a position suitable for the height of the user, thereby improving the convenience of pushing the power box 1 to move.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable DC power supply, comprising a power box and a sealed door hingedly mounted on a side wall of the power box, characterized in that: An adjustment groove is provided at the bottom end of the power box, a lifting plate is slidably inserted in the adjustment groove, and positioning grooves are provided on both sides of the inner wall of the adjustment groove, and a telescopic groove is provided on the side wall of the lifting plate, a positioning block that is elastically inserted in the telescopic groove and engaged with the positioning groove, wherein an extrusion block that is slidably inserted in the positioning groove is protruded from the bottom end of the outer wall of the power box.

2. A portable DC power supply according to claim 1, characterized in that: Both ends of the power box are provided with grooves, and anti-skid pads are fixed on both sides of the bottom end surface of the power box. A heat conducting plate is embedded and fixed in the groove, and a plurality of heat sinks are fixed on the side wall of the heat conducting plate.

3. A portable DC power supply according to claim 1, characterized in that: A display screen is fixed on the top end of the side wall of the sealed door, and a plurality of control buttons are fixed on the bottom end of the side wall of the sealed door.

4. A portable DC power supply according to claim 1, characterized in that: Handles are fixed on both sides of the top surface of the power box, and lifting holes are symmetrically opened on the top of the power box.

5. A portable DC power supply according to claim 4, characterized in that: A support rod is slidably inserted in the lifting hole, and a lifting rod is slidably installed on the top of the support rod.

6. A portable DC power supply according to claim 5, characterized in that: Push rods are fixed to the top ends of the two lifting rods, and the two ends of the support rod are respectively connected to the inner wall of the lifting hole and the lifting rod damping.

7. A portable DC power supply according to claim 1, characterized in that: A spring is embedded in the telescopic slot, and two ends of the spring are respectively in contact with the inner wall of the telescopic slot and the positioning block.

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