Portable emergency direct-current power supply device
By designing a limiting structure of the shell, baffle and clamps in the emergency power supply device, the problem of loose and falling connection lines is solved, stable power supply and portability are achieved, and the reliability and convenience of the device are improved.
Patent Information
- Application Number
- CN202422366362.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The connecting wires of the existing emergency power supply device are fixed by a simple plug-in method, which can easily become loose or fall off when pulled by external force, resulting in power interruption.
A portable emergency DC power supply device is designed, which adopts the structure of shell, baffle, card holder and card. The connection line is fixed by the limit and locking assembly of the card to ensure the stability of the connection.
It effectively prevents the connection wires from loosening or falling off when pulled by external force, ensures the stability and reliability of power supply, facilitates quick installation and removal, and improves sealing and portability.
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Figure CN223347905U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of emergency power supplies, in particular to a portable emergency DC power supply device. Background Art
[0002] In the event of various abnormalities or accidents in a substation's DC system, an emergency DC power supply is required to ensure safe and stable operation of the substation's DC system. DC power supplies are primarily used for critical loads within the substation, such as signaling equipment, protection devices, automatic devices, and opening and closing operations. As an independent power source, in the event of an AC power outage, a backup power source, namely a DC power supply, can still provide reliable, stable, and uninterrupted power.
[0003] As a key device for ensuring continuous power supply, the stability and reliability of emergency power supply units are crucial. However, during use, the connecting cables are often simply plugged into corresponding sockets on the emergency power supply units. This connection method can easily loosen or even fall off when pulled by external forces, causing power outages and other impacts. Utility Model Content
[0004] The utility model provides a portable emergency DC power supply device, which can overcome certain defects of the prior art.
[0005] According to the utility model, a portable emergency DC power supply device includes a housing and a battery pack. The housing has a placement area with an opening on one side for installing the battery pack. A baffle is clamped at the opening of the placement area to seal the placement area.
[0006] The baffle has a through hole corresponding to the battery pack socket, and a card seat is formed on one side of the baffle corresponding to the placement area, and a card piece for limiting the connection line is clamped at the card seat.
[0007] Preferably, the clamp has a bottom wall portion, which is provided with two plug-in portions extending downward, and a recessed portion opening downward and located between the two plug-in portions, and a tooth segment arrangement is formed on the outer wall of the plug-in portion.
[0008] By providing the recess, the clamp can limit the outer walls of connecting wires with different diameters, thereby effectively improving the scope of application.
[0009] By providing the two plug-in parts, the recessed portion at the clamping member can stably limit the outer wall of the connecting line.
[0010] Preferably, a groove that is recessed downward and is used to cooperate with the plug-in portion is formed on the top wall of the card holder, and a locking assembly is formed on the side wall of the card holder corresponding to the groove, and the locking assembly is used to lock or unlock the plug-in portion.
[0011] Through the setting of the groove, the card can be stably installed on the card seat, thereby achieving stable limiting of the connecting line. At the same time, in conjunction with the setting of the locking component, it is convenient to form limiting and unlocking limits on the plug-in part inserted into the groove, that is, the card.
[0012] Preferably, the locking assembly includes a pressing seat arranged at the side wall of the card seat, an installation cavity connected to the groove is formed inside the pressing seat, a through opening is formed on the corresponding side of the installation cavity and the groove, a clamping piece is rotatably provided inside the installation cavity, one end of the clamping piece has a pressing portion corresponding to the through opening, and the other end of the clamping piece has a hook portion cooperating with the clamping portion, the hook portion is used to maintain the limit of the upward movement of the clamping portion, a spring is provided between the pressing portion and the installation cavity, the spring is used to provide an elastic force to keep the pressing portion pressed against the through opening, and a pressing block cooperating with the through opening is provided at the pressing portion.
[0013] Through the above structure, after the card is installed, the pressing block can be pressed to rotate the card connector, so that the hook portion can be disengaged from the limit on the card connector. At this time, the card can be pulled up to release the limit on the connecting line. Through the cooperation between the hook portion and the plug-in portion, the locking and unlocking functions of the card connector are realized, and the installation and removal operations can be carried out quickly.
[0014] Preferably, an inwardly recessed pull-out opening is formed on the side wall of the clamp, and the pull-out opening is used to provide a carrying space.
[0015] With the above structure, the carrying portion is arranged on the side wall of the card, which reduces the volume of the card. The user can insert his fingers into the lifting opening to facilitate lifting the card.
[0016] Preferably, an annular groove is formed on the outer wall of the baffle, and a sealing ring is provided in the annular groove.
[0017] The above structure improves the sealing between the baffle and the placement area, ensuring that moisture and dust will not enter the placement area and affect the battery pack.
[0018] Preferably, a card slot is formed on the inner wall of the placement area, and a plurality of claws that engage with the card slot are formed on one side of the baffle corresponding to the placement area.
[0019] The clamping fit between the clamping slot and the clamping claw ensures that the baffle is securely installed in the placement area.
[0020] Preferably, a first inclined surface is formed on the side wall corresponding to the hook portion and the clamping portion, and a second inclined surface matching the first inclined surface is formed on the side wall corresponding to the clamping portion and the hook portion.
[0021] Through the above structure, the clamping part of the clamping piece can squeeze the hook part when inserted downward. When the connecting line is limited, the hook part and the corresponding clamping part form a limit, thereby limiting the upward movement direction of the clamping piece.
[0022] Preferably, rubber baffles are provided in the perforations, and the rubber baffles are arranged in a divergent manner.
[0023] With the above structure, the rubber baffle can effectively prevent external foreign matter (such as dust, small particles, etc.) from entering the placement area through the perforation.
[0024] Preferably, universal wheels are provided on the bottom of the shell, and handles are provided on the side walls of the shell.
[0025] The above structure makes it easy to move and carry the device.
[0026] The beneficial effects of the utility model are as follows:
[0027] The portable emergency DC power supply device disclosed herein is configured with a placement area in coordination with a baffle, a holder, and a clamping member, so that when connecting a connecting wire, the clamping member can limit the outer wall of the cable, thereby avoiding the problem that most existing connecting wires are fixed to the corresponding sockets of the emergency power supply device by a simple plug-in method, and are easily loosened or even fallen off when pulled by external force, thereby causing power interruption and causing impact. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 The figure is a schematic diagram of the overall structure of a portable emergency DC power supply device.
[0029] Figure 2 This is a schematic diagram of the explosion structure of a portable emergency DC power supply device.
[0030] Figure 3 The diagram is a schematic diagram of the baffle structure of a portable emergency DC power supply device.
[0031] Figure 4 The figure is a schematic diagram of the cross-sectional structure of a baffle of a portable emergency DC power supply device.
[0032] Figure 5 for Figure 4 A partial enlarged schematic diagram of point A in the middle. DETAILED DESCRIPTION
[0033] In order to further understand the content of the present invention, the present invention is described in detail with reference to the embodiments. It should be understood that the embodiments are merely for explanation of the present invention and are not intended to limit the present invention.
[0034] Example 1
[0035] See also Figure 1-5 This embodiment provides a portable emergency DC power supply device, which includes a housing 100 and a battery pack 210. The housing 100 has a storage area with an opening on one side for installing the battery pack 210. The opening of the storage area is clamped with a baffle 110 that seals the storage area.
[0036] The baffle 110 has a through hole 330 corresponding to the socket of the battery pack 210. A holder 350 is formed on one side of the baffle 110 corresponding to the placement area. A clamp 360 for limiting the connection line is clamped on the holder 350.
[0037] A portable emergency DC power supply device disclosed herein is configured by coordinating the placement area with the baffle 110, the socket 350 and the clamp 360, so that when connecting the connecting wire, the clamp 360 can limit the outer wall of the cable, thereby avoiding the problem that most existing connecting wires are fixed to the corresponding jacks of the emergency power supply device by a simple plug-in method, and are easily loosened or even fallen off when pulled by external force, thereby causing power interruption and causing impact.
[0038] Seen in Figure 4 In this embodiment, the clamp 360 has a bottom wall portion, which is provided with two plug-in portions 420 extending downward, and a recessed portion 410 opening downward and located between the two plug-in portions 420, and a tooth segment is formed on the outer wall of the plug-in portion 420.
[0039] By providing the recess 410 , the clamp 360 can limit the outer walls of connecting wires with different diameters, thereby effectively improving the scope of application.
[0040] By providing the two plug-in portions 420 , the recess 410 at the clamp 360 can stably limit the outer wall of the connecting line.
[0041] Seen in Figure 4 In this embodiment, a groove 450 is formed on the top wall of the socket 350 for cooperating with the plug-in part 420, and a locking component 460 is formed on the side wall of the socket 350 corresponding to the groove 450. The locking component 460 is used to lock or unlock the plug-in part 420.
[0042] Through the setting of the groove 450, the card 360 can be stably installed on the card seat 350, thereby achieving stable limiting of the connecting line. At the same time, in conjunction with the setting of the locking component, it is convenient to form limiting and unlocking limits for the plug-in part 420, that is, the card 360, which is inserted into the groove 450.
[0043] Seen in Figure 5In this embodiment, the locking assembly 460 includes a pressing seat 510 provided at the side wall of the card seat 350, and a mounting cavity 520 connected to the groove 450 is formed inside the pressing seat 510, and a through-opening is formed on the corresponding side of the mounting cavity 520 and the groove 450. A clamping member 530 is rotatably provided inside the mounting cavity 520, and one end of the clamping member 530 has a pressing portion 540 corresponding to the through-opening, and the other end of the clamping member 530 has a hook portion 550 that cooperates with the clamping portion 430, and the hook portion 550 is used to maintain the limit of the upward movement of the clamping portion 430, and a spring 570 is provided between the pressing portion 540 and the mounting cavity 520, and the spring 570 is used to provide an elastic force to keep the pressing portion 540 pressed against the through-opening, and a pressing block 560 that cooperates with the through-opening is provided at the pressing portion 540.
[0044] Through the above structure, after the clamp 360 is installed, the pressing block 560 can be pressed to rotate the clamp 530, so that the hook portion 550 is separated from the limit on (430). At this time, the clamp 360 can be pulled up to release the limit on the connecting line. Through the cooperation between the hook portion 550 and the plug-in portion 420, the locking and unlocking functions of the clamp 360 are realized, and the installation and removal operation can be carried out quickly.
[0045] Seen in Figure 4 In this embodiment, a pull-out opening 440 that is recessed inward is formed on the side wall of the clamp 360 , and the pull-out opening 440 is used to provide a carrying space.
[0046] Through the above structure, the carrying portion is set at the side wall of the clamping member 360, which reduces the volume of the clamping member 360. The user can insert his fingers into the lifting opening 440 to facilitate lifting the clamping member 360.
[0047] Seen in Figure 3 In this embodiment, an annular groove is formed on the outer wall of the baffle 110, and a sealing ring 310 is provided in the annular groove.
[0048] The above structure improves the sealing between the baffle 110 and the placement area, ensuring that moisture and dust do not enter the placement area and affect the battery pack 210.
[0049] Seen in Figure 2 and Figure 3 In this embodiment, a card slot 220 is formed on the inner wall of the placement area, and a plurality of claws 320 that engage with the card slot 220 are formed on one side of the baffle 110 corresponding to the placement area.
[0050] The engagement between the latching slot 220 and the latching claw 320 ensures that the baffle 110 is securely installed in the placement area.
[0051] It can be understood that the arrangement of the slot 220 and the claw 320 makes installation and removal of the baffle 110 simple and quick. The user simply aligns the claw 320 on the baffle 110 with the slot 220 and gently pushes it in to complete installation. Similarly, for removal, the user simply applies a slight force through the perforation 330 to pull the claw 320 out of the slot 220, eliminating the need for complex tools or tedious operations, thereby improving installation and removal efficiency.
[0052] Seen in Figure 5 In this embodiment, a first inclined surface is formed on the side wall corresponding to the hook portion 550 and the clamping portion 430, and a second inclined surface matching the first inclined surface is formed on the side wall corresponding to the clamping portion 430 and the hook portion 550.
[0053] Through the above structure, the clamping portion 430 of the clamping member 360 can squeeze the hook portion 550 when inserted downward. When the connecting line is limited, the hook portion 550 and the corresponding clamping portion 430 form a limit, thereby limiting the upward movement direction of the clamping member 360.
[0054] Seen in Figure 3 In this embodiment, rubber baffles 340 are provided in the through holes 330 , and the rubber baffles 340 are arranged in a divergent manner.
[0055] With the above structure, the rubber blocking piece 340 can effectively prevent external foreign matter (such as dust, small particles, etc.) from entering the placement area through the perforation.
[0056] Seen in Figure 1 In this embodiment, universal wheels are provided at the bottom of the housing 100, and handles are provided on the side walls of the housing 100.
[0057] The above structure makes it easy to move and carry the device.
[0058] It is easy to understand that those skilled in the art can combine, split, reorganize, etc. the embodiments of the present application based on one or several embodiments provided in the present application to obtain other embodiments, and these embodiments do not exceed the scope of protection of the present application.
[0059] The above is a schematic description of the present invention and its embodiments, which is not restrictive. The embodiments shown are only part of the embodiments of the present invention, and the actual structure is not limited to them. Therefore, if a person skilled in the art is inspired by the above and designs a structure and embodiment similar to the technical solution without creatively designing it without departing from the inventive purpose of the present invention, it shall fall within the scope of protection of the present invention.
Claims
1. A portable emergency DC power supply device, characterized in that: The invention comprises a housing (100) and a battery pack (210), wherein the housing (100) has a placement area with an opening on one side for installing the battery pack (210), and a baffle (110) for sealing the placement area is clamped at the opening of the placement area; The baffle (110) has a through hole (330) corresponding to the socket of the battery pack (210), and a holder (350) is formed on one side of the baffle (110) corresponding to the placement area. A clamping member (360) for limiting the connection line is clamped on the holder (350).
2. The portable emergency DC power supply device according to claim 1, characterized in that: The clamping member (360) has a bottom wall portion, which is provided with two plug-in portions (420) extending downward, and a recessed portion (410) opening downward and located between the two plug-in portions (420), and a clamping portion (430) arranged in the form of a tooth segment is formed on the outer wall of the plug-in portion (420).
3. The portable emergency DC power supply device according to claim 2, characterized in that: A groove (450) is formed on the top wall of the card seat (350) and is recessed downward for cooperating with the plug-in portion (420). A locking assembly (460) is formed on the side wall of the card seat (350) corresponding to the groove (450). The locking assembly (460) is used to lock or unlock the plug-in portion (420).
4. The portable emergency DC power supply device according to claim 3, characterized in that: The locking assembly (460) includes a pressing seat (510) provided at the side wall of the card seat (350), a mounting cavity (520) communicating with the groove (450) is formed inside the pressing seat (510), a through opening is formed on the side corresponding to the mounting cavity (520) and the groove (450), a clamping member (530) is provided inside the mounting cavity (520) for rotation, and one end of the clamping member (530) has a pressing portion (540) corresponding to the through opening, and the clamping member (530) is provided with a pressing portion (540) corresponding to the through opening. The other end of the component (530) has a barb portion (550) that cooperates with the clamping portion (430), and the barb portion (550) is used to maintain the limit of the upward movement of the clamping portion (430). A spring (570) is provided between the pressing portion (540) and the installation cavity (520), and the spring (570) is used to provide an elastic force to keep the pressing portion (540) pressed against the through-hole. A pressing block (560) that cooperates with the through-hole is provided at the pressing portion (540).
5. The portable emergency DC power supply device according to claim 2, characterized in that: An inwardly recessed lifting opening (440) is formed on the side wall of the clamping member (360), and the lifting opening (440) is used to provide a carrying space.
6. The portable emergency DC power supply device according to claim 1, characterized in that: An annular groove is formed on the outer wall of the baffle (110), and a sealing ring (310) is provided in the annular groove.
7. The portable emergency DC power supply device according to claim 1, characterized in that: A clamping groove (220) is formed on the inner wall of the placement area, and a plurality of clamping claws (320) that engage with the clamping groove (220) are formed on one side of the baffle (110) corresponding to the placement area.
8. The portable emergency DC power supply device according to claim 4, characterized in that: A first inclined surface is formed on the side wall corresponding to the hook portion (550) and the clamping portion (430), and a second inclined surface matching the first inclined surface is formed on the side wall corresponding to the clamping portion (430) and the hook portion (550).
9. The portable emergency DC power supply device according to claim 1, characterized in that: A rubber blocking piece (340) is provided in each of the perforations (330), and the rubber blocking piece (340) is arranged in a divergent manner.
10. The portable emergency DC power supply device according to claim 1, characterized in that: Universal wheels are provided at the bottom of the housing (100), and handles are provided on the side walls of the housing (100).