CN216672840U - Portable direct current power supply - Google Patents
Portable direct current power supply Download PDFInfo
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- CN216672840U CN216672840U CN202123008279.2U CN202123008279U CN216672840U CN 216672840 U CN216672840 U CN 216672840U CN 202123008279 U CN202123008279 U CN 202123008279U CN 216672840 U CN216672840 U CN 216672840U
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- round rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses a portable direct current power supply, which relates to the field of direct current power supplies and comprises a power supply box and a power supply body, wherein a screw rod is vertically arranged at the inner end of one side in the left and right directions of the power supply box, a nut is sleeved outside the screw rod, a bracket is horizontally and fixedly arranged on the outer end wall of the nut, a hollow round rod is vertically arranged on the bracket, a first piston is arranged at the inner end of the top side of the hollow round rod, a second piston is arranged at the inner end of the bottom side of the hollow round rod, an adjusting screw is vertically arranged at the top end of the hollow round rod in a penetrating way, the bottom is vertical to run through and is equipped with the trace, is equipped with annular transmission frame on the end wall of power supply box inner top, and the outside cover in screw rod top has drive gear, and the support lower extreme is equipped with first well cavity frame, is equipped with the third piston in the first well cavity frame, is equipped with the second well cavity frame on the end wall of power supply box inner bottom, is equipped with the fourth piston in the second well cavity frame, and fourth piston lower extreme is equipped with the removal wheel, is equipped with the air duct between first well cavity frame and the second well cavity frame. The power supply is convenient to carry and transfer, and is convenient to work and use.
Description
Technical Field
The utility model relates to the field of direct current power supplies, in particular to a portable direct current power supply.
Background
A dc power supply is a device that maintains a constant voltage and current in a circuit. In the prior art, the direct current power supply is generally large in size and inconvenient to carry and transfer. Therefore, a portable dc power source is needed.
Disclosure of Invention
In order to solve the problems, the utility model discloses a portable direct current power supply which is convenient to carry, transfer and work and use.
In order to achieve the above purpose, the utility model provides the following technical scheme: a portable direct current power supply comprises a power supply box and a power supply body arranged in the power supply box, wherein a screw rod is vertically arranged at the inner end of one side in the left and right directions of the power supply box, a nut is sleeved outside the screw rod, a bracket is horizontally and fixedly arranged on the outer end wall of the nut, a hollow round rod is vertically arranged on the bracket, the top end of the hollow round rod vertically and movably penetrates through the top end wall in the power supply box, a first piston is arranged at the inner end of the top side of the hollow round rod, a second piston is arranged at the inner end of the bottom side, an adjusting screw is vertically arranged at the top end of the hollow round rod in a penetrating mode, a linkage rod is vertically arranged at the bottom end in a penetrating mode, an annular transmission frame is vertically and movably arranged on the top end wall in the power supply box and corresponds to the position of the hollow round rod, a transmission gear is sleeved outside the top end of the screw rod, a first hollow frame with a top opening and a bottom non-opening is vertically and fixedly arranged at the lower end of the bracket, a third piston is arranged in the first hollow frame, the power box is characterized in that a second hollow frame with a top end non-open and a bottom end open is vertically and fixedly arranged on the bottom end wall in the power box, a fourth piston is arranged in the second hollow frame, a moving wheel is arranged at the lower end of the fourth piston in the second hollow frame, and an air guide pipe is arranged between the first hollow frame and the second hollow frame. The hollow round rod can rotate and move up and down, the annular transmission frame can rotate, and the air guide pipe is an air guide hose.
As an improvement of the utility model, the end part of the bottom end of the hollow round rod vertically and movably penetrates through the bracket and extends downwards into the first hollow frame, a connecting bearing is arranged between the inner end wall of the support where the support is movably penetrated by the hollow round rod and the outside of the hollow round rod, the annular transmission frame is sleeved outside the hollow round rod, the caliber of the inner end of the annular transmission frame is larger than the diameter of the outer end of the cross section of the hollow round rod, the inner circumferential end wall of the annular transmission frame is uniformly and vertically fixed with a guide block at an equal radian, the outer circumferential end wall of the hollow round rod is uniformly and vertically provided with a guide groove at an equal radian, the other side end of the guide block corresponding to the fixed end of the guide block is respectively movably arranged in the guide groove, the outer circumferential end wall of the annular transmission frame is uniformly provided with transmission tooth grooves at equal radian, and the gear teeth outside the transmission gear are in meshing transmission with the transmission tooth grooves.
As an improvement of the utility model, a screw hole is vertically formed in the top end of the hollow round rod, a through hole is vertically formed in the bottom end of the hollow round rod, the adjusting screw vertically penetrates through the screw hole, the bottom end of the adjusting screw is rotatably connected with the upper end wall of the first piston, the top end of the linkage rod is rotatably connected with the lower end wall of the second piston, the bottom end of the linkage rod vertically movably penetrates through the through hole and is rotatably connected with the upper end wall of the third piston, the air duct is communicated between the inner end of the bottom side of the first hollow frame and the inner end of the top side of the second hollow frame, the middle part of the inner bottom end of the power box on the side close to the screw rod is vertically and fixedly provided with the second hollow frame, the opening of the bottom end of the power box is designed to correspond to the position of the second hollow frame, and the top end of the hollow round rod is vertically provided with an air vent. The moving wheel can extend downwards from the power box.
Compared with the prior art, the utility model has the following advantages: the power supply can realize the up-and-down adjustment of the position of the movable wheel, and when the movable wheel is a supporting point at the bottom of the power supply box, the power supply can be conveniently carried and transferred. The hollow round rod in the power supply serves as a handrail, the position of the hollow round rod can be adjusted up and down, and the power supply is convenient to carry and transfer.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a portable DC power supply according to the present invention;
list of reference numerals: 1. a power supply box; 2. a power supply body; 3. a screw; 4. a nut; 5. a support; 6. a hollow round bar; 7. a first piston; 8. a second piston; 9. an adjusting screw; 10. a linkage rod; 11. an annular transmission frame; 12. a transmission gear; 13. a first hollow frame; 14. a third piston; 15. a second hollow frame; 16. a fourth piston; 17. a moving wheel; 18. an air duct.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in figure 1, a portable direct current power supply comprises a power supply box 1 and a power supply body 2 arranged in the power supply box 1, wherein a screw rod 3 is vertically arranged at the inner end of one side in the left and right directions of the power supply box 1, a nut 4 is sleeved outside the screw rod 3, a bracket 5 is horizontally and fixedly arranged on the outer end wall of the nut 4, a hollow round rod 6 is vertically arranged on the bracket 5, the top end of the hollow round rod 6 vertically and movably penetrates through the inner top end wall of the power supply box 1, a first piston 7 is arranged at the inner end of the top side of the hollow round rod 6, a second piston 8 is arranged at the inner end of the bottom side of the hollow round rod 6, an adjusting screw 9 is vertically arranged at the top end of the hollow round rod 6 in a penetrating manner, a linkage rod 10 is vertically arranged at the bottom end of the hollow round rod, an annular transmission frame 11 is vertically and movably arranged on the inner top end wall of the power supply box 1 and corresponds to the position of the hollow round rod 6, a transmission gear 12 is sleeved outside the top end of the screw rod 3, a first hollow frame 13 with an open top end and a non-open bottom end is vertically and fixedly arranged at the lower end of the bracket 5, be equipped with third piston 14 in the first hollow frame 13, vertical fixed being equipped with the non-opening in top and the hollow frame 15 of bottom open-ended second in the bottom wall in the power supply box 1, be equipped with fourth piston 16 in the hollow frame 15 of second, in the hollow frame 15 of second and be located the 16 lower extremes of fourth piston are equipped with and remove wheel 17, first hollow frame 13 with be equipped with air duct 18 between the hollow frame 15 of second.
Furthermore, the end part of the bottom end of the hollow round rod 6 vertically and movably penetrates through the bracket 5 and extends downwards into the first hollow frame 13, a connecting bearing is arranged between the inner end wall of the support 5 movably penetrated by the hollow round rod 6 and the outside of the hollow round rod 6, the annular transmission frame 11 is sleeved outside the hollow round rod 6, the caliber of the inner end of the annular transmission frame 11 is larger than the diameter of the outer end of the cross section of the hollow round rod 6, the circumferential end wall on the inner side of the annular transmission frame 11 is uniformly and vertically fixed with guide blocks in equal radian, the end wall of the circumference of the outer side of the hollow round rod 6 is uniformly and vertically provided with a guide groove with equal radian, the other side end of the guide block corresponding to the fixed end of the guide block is respectively and movably arranged in the guide groove, the outer circumferential end wall of the annular transmission frame 11 is uniformly provided with transmission tooth grooves at equal radian, and the gear teeth outside the transmission gear 12 are in meshing transmission with the transmission tooth grooves.
Further, a screw hole is vertically formed at the top end of the hollow round rod 6, a through hole is vertically formed at the bottom end of the hollow round rod, the adjusting screw 9 vertically penetrates through the screw hole, the bottom end of the adjusting screw 9 is rotatably connected with the upper end wall of the first piston 7, the top end of the linkage rod 10 is rotatably connected with the lower end wall of the second piston 8, the bottom end vertically and movably penetrates through the through hole to be rotatably connected with the upper end wall of the third piston 14, the air duct 18 is communicated between the inner end of the bottom side of the first hollow frame 13 and the inner end of the top side of the second hollow frame 15, the middle part of the inner bottom end of one side of the power box 1 close to the screw rod 3 is vertically and fixedly provided with the second hollow frame 15, the bottom end wall of the power box 1 is provided with an opening corresponding to the position of the second hollow frame 15, and the top end of the hollow round rod 6 is vertically provided with a ventilation micropore.
The working principle is as follows: the power supply body is arranged in the power supply box. The manual rotation cavity pole, the rotation of cavity pole can drive annular transmission frame through guide way, guide block and rotate, and the rotation of annular transmission frame can drive the screw rod through transmission tooth's socket, drive gear and rotate, and the rotation of screw rod can make its nut shift up or move down, and the shifting up or moving down of screw rod can drive cavity pole and move in the lump, and the cavity pole moves up and stretches out and can act as the handrail and be convenient for the transfer, the removal of power supply box. The adjusting screw is rotated manually, so that the adjusting screw continuously extends into the hollow round rod, the first piston is driven to move downwards by the movement of the adjusting screw, the second piston is driven to move downwards together by the downward movement of the first piston, the third piston is driven to move downwards together by the downward movement of the second piston through the linkage rod, the fourth piston is driven to move downwards by the downward movement of the third piston through the air duct, the moving wheel is driven to extend out of the power box by the downward movement of the fourth piston, and the moving wheel serves as a supporting point of the power box at the moment, so that the power box can be moved and transferred conveniently. The adjusting screw continuously extends out of the hollow round rod, so that the movable wheel is arranged in the second hollow frame, and the power position is stable at the moment.
The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that modifications and adaptations can be made by those skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (3)
1. A portable direct-current power supply comprises a power supply box (1) and a power supply body (2) arranged in the power supply box (1), and is characterized in that a screw rod (3) is vertically arranged at the inner end of one side of the left and right directions of the power supply box (1), a nut (4) is sleeved outside the screw rod (3), a support (5) is horizontally and fixedly arranged on the outer end wall of the nut (4), a hollow round rod (6) is vertically arranged on the support (5), the top end of the hollow round rod (6) vertically penetrates through the inner top end wall of the power supply box (1), a first piston (7) is arranged at the inner end of the top side of the hollow round rod (6), a second piston (8) is arranged at the inner end of the bottom side, an adjusting screw (9) is vertically arranged at the top end of the hollow round rod (6), a linkage rod (10) is vertically arranged at the bottom end of the hollow round rod in a penetrating manner, an annular transmission frame (11) is vertically movably arranged on the inner top end wall of the power supply box (1) and corresponds to the position of the hollow round rod (6), the outside cover in screw rod (3) top has drive gear (12), the vertical fixed first cavity frame (13) that is equipped with top opening and bottom non-open-ended of support (5) lower extreme, be equipped with third piston (14) in first cavity frame (13), vertically fixed second cavity frame (15) that is equipped with top non-open-ended and bottom open-ended on the end wall in power supply box (1), be equipped with fourth piston (16) in second cavity frame (15), just be located in second cavity frame (15) fourth piston (16) lower extreme is equipped with and removes wheel (17), first cavity frame (13) with be equipped with air duct (18) between second cavity frame (15).
2. A portable dc power supply according to claim 1, wherein: the vertical activity of cavity round bar (6) bottom tip is run through support (5) is stretched into downwards in first cavity frame (13), support (5) by cavity round bar (6) activity run through department inner end wall with be equipped with connecting bearing between cavity round bar (6) outside, annular transmission frame (11) cover in cavity round bar (6) outside, annular transmission frame (11) inner bore is greater than cavity round bar (6) cross section outer end diameter, the even vertical fixed guide block that is equipped with of isopradian on the inside circumference end wall of annular transmission frame (11), the even vertical guide way that has of isopradian on the circumference end wall of cavity round bar (6) outside, the guide block corresponds its another side of stiff end position and equallys divide and do not movably to arrange in the guide way, the even drive tooth's socket that has of isopon the circumference end wall of annular transmission frame (11) outside, the gear teeth outside the transmission gear (12) and the transmission tooth grooves are meshed for transmission.
3. A portable dc power supply according to claim 2, wherein: the top end of the hollow round rod (6) is vertically provided with a screw hole, the bottom end of the hollow round rod is vertically provided with a through hole, the adjusting screw (9) vertically penetrates through the screw hole, the bottom end of the adjusting screw (9) is rotatably connected with the upper end wall of the first piston (7), the top end of the linkage rod (10) is rotatably connected with the lower end wall of the second piston (8), the bottom end of the linkage rod vertically and movably penetrates through the through hole and is rotatably connected with the upper end wall of the third piston (14), the air duct (18) is communicated between the inner end of the bottom side of the first hollow frame (13) and the inner end of the top side of the second hollow frame (15), the middle part of the bottom end of the power box (1) close to one side of the position of the screw rod (3) is vertically and fixedly provided with the second hollow frame (15), the bottom end wall of the power box (1) is provided with a position opening corresponding to the second hollow frame (15), the top end of the hollow round rod (6) is vertically provided with a ventilation micropore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008279.2U CN216672840U (en) | 2021-12-02 | 2021-12-02 | Portable direct current power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123008279.2U CN216672840U (en) | 2021-12-02 | 2021-12-02 | Portable direct current power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216672840U true CN216672840U (en) | 2022-06-03 |
Family
ID=81788413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123008279.2U Active CN216672840U (en) | 2021-12-02 | 2021-12-02 | Portable direct current power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216672840U (en) |
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2021
- 2021-12-02 CN CN202123008279.2U patent/CN216672840U/en active Active
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