Power supply box using detachable end cover

Abstract

The utility model discloses a power supply box using a detachable end cover. The power supply box comprises a chassis, an upper cover and an end cover, the end cover comprises an upper end cover and a lower end cover; the end cover is provided with at least one cable hole; a wiring groove is formed in the front end and / or the rear end of the upper cover, penetrates through the upper cover from top to bottom and is used for accommodating a wiring terminal of the power panel; the lower end cover is provided with a pair of rotating shafts, and the rotating shafts protrude out of the left inner wall face or the right inner wall face of the lower end cover and are close to the rear end face or the front end face of the upper cover. The lower end cover is detachably clamped at the front end or the rear end of the upper cover, and the lower end cover surrounds the corresponding wire outlet groove; two rotating shaft holes are correspondingly formed in one end of the upper end cover; the two rotating shaft holes are respectively positioned on the left outer side surface and the right outer side surface of the upper end cover; one end of the upper end cover is coupled to the two rotating shafts through the two rotating shaft holes, and the other end of the upper end cover is used for overturning and covering the lower end cover. The lower end cover and the upper cover are of a detachable split type installation structure, different end covers can be configured, universality is good, and cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to power supply box technical field especially relates to a power supply box of using detachable end cap. BACKGROUND

[0002] In order to improve the operating convenience of cable connection, the power supply box of the switch power supply of prior art is provided with a shell and a cover, a wiring slot for accommodating wiring terminal is arranged in the integrally formed shell, so that the wiring terminal in the wiring slot is exposed outward, a cable hole is also formed on the shell, and the wiring slot in the shell is covered by the cover.

[0003] When the number of series or parallel power supply circuits in the circuit using the switch power supply is large, or the switch power supply needs to be connected with a controller to control the on-off of the power supply circuit, the number of cable holes provided in the power supply box of the standby switch power supply is insufficient, which causes the standby power supply box to be unable to accommodate all the cables needed to be plugged in, and the power supply box installed in the switch power supply needs to be replaced, thus resulting in poor versatility of the power supply box of the switch power supply of prior art, the need to provide multiple power supply boxes with different numbers of cable holes, high mold cost, and increased installation cost. SUMMARY

[0004] In view of the above problems, the utility model aims at providing a power supply box using detachable end cap to solve the problems of poor versatility of the power supply box of the switch power supply, high mold cost and high installation cost.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A power supply box using detachable end cap, comprising a bottom disc, an upper cover and an end cap, wherein the end cap comprises an upper end cap and a lower end cap, the end cap is provided with at least one cable hole,

[0007] The bottom disc is provided with a placing groove, the upper cover is covered on the upper side of the bottom disc and covers the placing groove, the front end and / or the rear end of the upper cover is provided with a wiring slot, the wiring slot penetrates the upper cover from top to bottom, and the wiring slot is used for accommodating the wiring terminal of the power supply board,

[0008] The lower end cap is hollow, the lower end cap is provided with a pair of rotating shafts, the rotating shafts protrude from the left inner wall surface or the right inner wall surface of the lower end cap, and the rotating shafts are arranged close to the rear end surface or the front end surface of the upper cover, the lower end cap is detachably clamped on the front end or the rear end of the upper cover, and the lower end cap surrounds the corresponding wiring slot,

[0009] One end of the upper end cover is provided with two rotating shaft holes; the two rotating shaft holes are respectively located on the left outer side and the right outer side of the upper end cover and extend oppositely; one end of the upper end cover is connected to the two rotating shafts through the two rotating shaft holes; the other end of the upper end cover is used for overturning and covering the lower end cover.

[0010] Further, the upper cover is also provided with two clamping grooves;

[0011] The clamping grooves are recessed inwardly on the left side or the right side of the wiring groove, and the clamping grooves are wide at the top and narrow at the bottom;

[0012] The left inner wall surface and the right inner wall surface of the lower end cover are both provided with a first protrusion;

[0013] The first protrusion protrudes outwardly from the left inner wall surface or the right inner wall surface of the lower end cover, and the first protrusion is gap-fitted with the clamping groove.

[0014] Preferably, the distance between the two clamping grooves does not change with the change of the length and / or width of the upper cover.

[0015] Further, the cable hole is divided into two halves oppositely, the upper half of the cable hole is located at the bottom of the upper end cover, and the lower half of the cable hole is located at the corresponding part of the lower end cover.

[0016] Further, the middle part of the lower end cover is also provided with a fastener fixing column; the upper end cover is provided with a fastener mounting hole correspondingly;

[0017] The fastener fixing column extends upwardly and is vertically arranged;

[0018] The fastener mounting hole penetrates the upper end cover from top to bottom.

[0019] Further, the upper end cover is also provided with a first cable pressing block; the lower end cover is also provided with a second cable pressing block;

[0020] The first cable pressing block and the second cable pressing block are oppositely distributed in the cable hole;

[0021] One end of the first cable pressing block is connected to the outer wall of the fastener mounting hole, and the other end of the first cable pressing block is connected to the inner wall of the upper end cover;

[0022] One end of the second cable pressing block is connected to the outer surface of the fastener fixing column, and the other end of the second cable pressing block is connected to the inner wall of the lower end cover;

[0023] The gap between the first cable pressing block and the second cable pressing block is used for placing the cable;

[0024] The bottom surface of the first cable pressing block is a downward protruding sawtooth-shaped protrusion;

[0025] The top surface of the second cable pressing block is provided with a plurality of upward protruding protrusions;

[0026] The protrusions correspondingly match the grooves in the sawtooth-shaped protrusions.

[0027] Further, the lower end cover is further provided with a baffle;

[0028] The left and right ends of the baffle are connected with the left and right inner wall surfaces of the lower end cover respectively, the plate surface of the baffle facing the upper cover is abutted with the outward groove wall of the wiring groove, and the plate surface of the baffle away from the upper cover is abutted with the fastener fixing column.

[0029] Further, the upper cover is further provided with a buckle groove;

[0030] The buckle groove is located at the bottom of the front end surface or the rear end surface of the upper cover, and is recessed upwardly on the bottom surface of the outward groove wall of the wiring groove;

[0031] The lower end cover is correspondingly provided with a buckle, and the buckle is located at the bottom of the baffle and is matched with the buckle groove.

[0032] Further, the upper cover is further provided with a plurality of clamping grooves;

[0033] The clamping grooves are located at the bottom of the upper cover and are recessed inwardly on the inner wall of the upper cover;

[0034] The bottom disc is provided with a plurality of second protrusions, the edge of the bottom disc is upwardly protruded, the second protrusions are outwardly protruded on the outer surface of the edge of the bottom disc, and the second protrusions are one-to-one correspondingly matched with the clamping grooves.

[0035] Preferably, the peripheral groove wall of the wiring groove is used for enclosing the periphery of the wiring terminal and isolating the wiring terminal and the main circuit of the power board.

[0036] The power box using detachable end covers has the advantages that the end cover comprises an upper end cover and a lower end cover, the detachable split mounting structure is arranged between the lower end cover and the upper cover, different numbers of cable holes can be selected according to requirements, the end cover is configured, the bottom disc and the upper cover have good universality, the mold cost for opening the bottom disc and the upper cover is saved, and the manufacturing cost and the installation cost are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 is a structural schematic view of one embodiment of the power box using detachable end covers of the utility model;

[0038] Figure 2 The mounting structure schematic view of the bottom disc, the upper cover, the upper end cover and the lower end cover of one embodiment of the utility model;

[0039] Figure 3 For Figure 2 The structure schematic view of another visual direction;

[0040] Wherein: bottom disc 1;Upper cover 2;End cover 3;Place slot 10;Second protruding block 11;Wiring slot 21;Breather hole 21;Clamping groove 22;Buckle groove 23;Card slot 24;Upper end cover 31;Lower end cover 32;Cable hole 30;Pivot hole 310;Fastener mounting hole 311;First cable pressing block 312;Pivot 320;Fastener fixing column 321;First protruding block 322;Buckle 323;Second cable pressing block 324;Baffle 325. DETAILED DESCRIPTION

[0041] The technical scheme of the utility model will be further illustrated below in combination with the accompanying drawings. Figures 1-3 The technical scheme of the utility model will be further illustrated below in combination with the accompanying drawings.

[0042] The accompanying drawings are only used for illustrative explanation and can not be understood as the limitation of the patent; in order to better illustrate the embodiment, some components of the accompanying drawings can be omitted, enlarged or reduced, and the size of actual product is not represented;for those skilled in the art, some well-known structures in the accompanying drawings and their description can be omitted and understood.

[0043] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected;It can be mechanical connection, or electrical connection;It can be directly connected, or indirectly connected through intermediate medium, and it can be said that two elements are connected inside.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0044] A power box using detachable end cover, comprising bottom disc 1, upper cover 2 and end cover 3;The end cover 3 includes upper end cover 31 and lower end cover 32;The end cover 3 is provided with at least one cable hole 30;

[0045] The bottom disc 1 is provided with a placing groove 10;The upper cover 2 is covered on the upper side of the bottom disc 1 and covers the placing groove 10, and the front end and / or rear end of the upper cover 2 is provided with a wiring slot 21, which penetrates the upper cover 2 from top to bottom, and the wiring slot 21 is used for accommodating the wiring terminal of the power board;

[0046] The lower end cover 32 is hollow, and is provided with a pair of rotating shafts 320 protruding from the left or right inner wall surface of the lower end cover 32, and is arranged close to the rear or front end surface of the upper cover 2; the lower end cover 32 is detachably clamped on the front or rear end of the upper cover 2, and surrounds the corresponding wiring slot 21;

[0047] One end of the upper end cover 31 is provided with two rotating shaft holes 310; the two rotating shaft holes 310 are respectively located on the left and right outer side surfaces of the upper end cover 31 and extend oppositely; one end of the upper end cover 31 is connected to the two rotating shafts 320 through the two rotating shaft holes 310, and the other end of the upper end cover 31 is used for overturning and covering the lower end cover 32.

[0048] Figures 1-3 The utility model discloses a power box structure schematic view of the use detachable end cover, Figure 1 The front and rear ends of the power box in the utility model are provided with end covers 3, and the end cover 3 is provided with two cable holes 30.

[0049] In use, the power board is placed into the placing groove 10 of the bottom disc 1, the upper cover 2 is covered on the placing groove 10, the wiring terminals of the power board are located in the wiring slots 21 of the upper cover 2, then the lower end cover 32 is clamped on the front or rear end of the upper cover 2, the two rotating shaft holes 310 of the upper end cover 31 are aligned with the pair of rotating shafts 320 provided on the lower end cover 32, one end of the upper end cover 31 is connected to the lower end cover 32, the upper end cover 31 is turned up, the end of the incoming cable and the outgoing cable is respectively inserted into the incoming hole position and the outgoing hole position of the wiring terminal in the wiring slot 21, then the incoming cable and the outgoing cable are placed in the cable hole 30, the upper end cover 31 is covered, the upper end cover 31 is covered with the lower end cover 32, finally, the upper end cover 31 is fixed on the lower end cover 32, and the connection and insertion of the incoming cable and the outgoing cable are completed.

[0050] The end cover 3 and the upper cover 2 are detachably connected in a split type mounting structure, and are convenient to disassemble and assemble; if the number of cables to be inserted is large, the end cover 3 provided with two or more cable holes 30 can be selected, so that the cable arrangement and the controller connection are met, and the bottom disc 1 and the upper cover 2 do not need to be replaced.

[0051] Further, the upper cover 2 is also provided with two clamping grooves 22;

[0052] The clamping groove 22 is recessed inwardly from the left or right side surface of the wiring slot 21, and is wide at the top and narrow at the bottom;

[0053] The left and right inner wall surfaces of the lower end cover 32 are respectively provided with first protrusions 322;

[0054] The first protrusion 322 protrudes outwardly from the left or right inner wall surface of the lower end cover 32, and is arranged in clearance fit with the clamping groove 22.

[0055] As shown in the drawings, the first protrusion 322 in clearance fit with the clamping groove 22 can improve the operation convenience and installation stability of the lower end cover 32 inserted into the upper cover 2. Figures 2-3

[0056] Preferably, the spacing between the two clamping grooves 22 does not change with the change of the length and / or width of the upper cover 2.

[0057] The length and / or width of the power supply panel with different output power are different, and the size of the corresponding chassis 1 and upper cover 2 is also different. As long as the structure and spacing of the two clamping grooves 22 on the upper cover 2 are kept unchanged, the upper cover 2 with different sizes can be matched with the end cover 3 with the same size specification, which can improve the universality of the end cover 3 and save the mold opening cost of the end cover 3.

[0058] Further, the cable hole 30 is divided into two halves opposite to each other, the upper half of the cable hole 30 is located at the bottom of the upper end cover 31, and the lower half of the cable hole 30 is located at the corresponding position of the lower end cover 32.

[0059] As shown in the drawings, the cable hole 30 is divided into two halves opposite to each other, and is arranged at the bottom of the upper end cover 31 and the corresponding position of the lower end cover 32 respectively, which can improve the operation convenience of the layout of the incoming and outgoing cables. Figures 1-3 Further, the middle part of the lower end cover 32 is further provided with a fastener fixing column 321, and the upper end cover 31 is correspondingly provided with a fastener mounting hole 311.

[0060] The fastener fixing column 321 extends upwardly and is arranged vertically.

[0061] The fastener mounting hole 311 penetrates the upper end cover 31 from top to bottom.

[0062] As shown in the drawings, after the connection of the incoming and outgoing cables is completed and the upper end cover 31 is covered with the lower end cover 32, the fastener is passed through the fastener mounting hole 311, and the upper end cover 31 is fixed to the fastener fixing column 321 of the lower end cover 32 by the fastener, which can keep the incoming and outgoing cables in a compressed state during use, thereby having better safety performance.

[0063] Figures 1-3 Further, the upper end cover 31 is further provided with a first cable compression block 312, and the lower end cover 32 is further provided with a second cable compression block 324.

[0064] Further, the upper end cover 31 is further provided with a first cable compression block 312, and the lower end cover 32 is further provided with a second cable compression block 324. ​​

[0065] The first cable pressing block 312 and the second cable pressing block 324 are oppositely arranged on the cable hole 30;

[0066] One end of the first cable pressing block 312 is connected with the outer wall of the fastener mounting hole 311, and the other end of the first cable pressing block 312 is connected with the inner wall of the upper end cover 31;

[0067] One end of the second cable pressing block 324 is connected with the outer surface of the fastener fixing column 321, and the other end of the second cable pressing block 324 is connected with the inner wall of the lower end cover 32;

[0068] The gap between the first cable pressing block 312 and the second cable pressing block 324 is used for placing the cable;

[0069] The bottom surface of the first cable pressing block 312 is a downward protruding sawtooth-shaped protrusion;

[0070] The top surface of the second cable pressing block 324 is provided with a plurality of upward protruding protrusions;

[0071] The protrusions correspondingly match the grooves in the sawtooth-shaped protrusions.

[0072] As shown in Figure 2 and Figure 3 When the upper end cover 31 is fixed to the lower end cover 32 by the fastener, the incoming line cable or the outgoing line cable can be pressed by the first cable pressing block 312 and the second cable pressing block 324, and the installation stability and the pull-out resistance of the incoming line cable and the outgoing line cable connected to the power panel can be improved.

[0073] The force for pressing the incoming line cable or the outgoing line cable can be increased by the cooperation of the plurality of protrusions and the corresponding sawtooth-shaped protrusions, so as to improve the pull-out resistance of the cable and meet the safety requirements.

[0074] Further, the lower end cover 32 is also provided with a baffle 325;

[0075] The left and right ends of the baffle 325 are respectively connected with the left and right inner wall surfaces of the lower end cover 32, the plate surface of the baffle 325 facing the upper cover 2 abuts against the outward groove wall of the wiring groove 21, and the plate surface of the baffle 325 away from the upper cover 2 abuts against the fastener fixing column 321.

[0076] As shown in Figure 2 thereby the torsional strength of the fastener fixing column 321 and the second cable pressing block 324 and the installation stability of the cable can be improved.

[0077] Further, the upper cover 2 is also provided with a buckle groove 23;

[0078] The buckle groove 23 is located at the bottom of the front or rear face of the upper cover 2, and the buckle groove 23 is recessed upward into the bottom surface of the outward groove wall of the wiring groove 21.

[0079] The lower end cover 32 is provided with a buckle 323, which is located at the bottom of the baffle 325 and is matched with the buckle groove 23.

[0080] like Figure 3 As shown, insert the first protrusion 322 of the lower end cover 32 into the corresponding snap-fit ​​groove 22, and then push the lower end cover 32 downward so that the snap 323 slides in and snaps into the corresponding snap fit groove 23. This can lock the lower end cover 32 on the outer wall of the wiring groove 21 and prevent the lower end cover 32 from coming loose during use.

[0081] Furthermore, the upper cover 2 is also provided with multiple slots 24;

[0082] The slot 24 is located at the bottom of the upper cover 2 and is recessed inward into the inner wall of the upper cover 2;

[0083] The chassis 1 is provided with a plurality of second protrusions 11. The edge of the chassis 1 protrudes upward, and the second protrusions 11 protrude outward from the outer surface of the edge of the chassis 1. The second protrusions 11 correspond one-to-one with the slots 24.

[0084] like Figure 3 As shown, when the upper cover 2 is placed on the placement groove 10, the edge of the upper cover 2 surrounds the edge of the chassis 1, and the second protrusion 11 is engaged in the corresponding slot 24, which can improve the installation stability of the upper cover 2 and the chassis 1 and prevent the chassis 1 from loosening during use.

[0085] Preferably, the surrounding walls of the wiring groove 21 are used to enclose the wiring terminals and isolate the wiring terminals from the main circuit of the power board.

[0086] By enclosing the wiring terminals through the wiring groove 21 and isolating the main circuit of the power board, the main circuit of the power board is prevented from contacting the outside world, thus providing insulation, dustproof and waterproof protection.

[0087] In summary, such as Figures 1-3 The embodiment of the present invention shown in the figure uses a power supply box with a detachable end cover. The end cover 3 includes an upper end cover 31 and a lower end cover 32. The lower end cover 32 and the upper cover 2 are detachable and have a separate installation structure. The end cover 3 and the upper cover 2 with different numbers of cable holes 30 can be selected as needed to make the chassis 1 and the upper cover 2 have good versatility. It can also save the mold cost of the chassis 1 and the upper cover 2, and reduce the manufacturing cost and installation cost.

[0088] The technical principles of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the present application, and cannot be interpreted as limiting the protection scope of the present application in any way. Based on the explanations herein, other specific embodiments of the present application can be conceived by those skilled in the art without creative efforts, and these embodiments will all fall within the protection scope of the present application.

Claims

1. A power pack using a detachable end cover, characterized by, The device comprises a bottom plate, an upper cover and end covers; the end covers comprise upper end covers and lower end covers; the end covers are provided with at least one cable hole; The bottom plate is provided with a placing groove; the upper cover is covered on the upper part of the bottom plate and covers the placing groove; the front end and / or the rear end of the upper cover is provided with a wiring groove which penetrates the upper cover from top to bottom; the wiring groove is used for accommodating the wiring terminal of the power board; The lower end cover is hollow; the lower end cover is provided with a pair of rotating shafts; the rotating shafts protrude from the left inner wall surface or the right inner wall surface of the lower end cover; the rotating shafts are arranged close to the rear end surface or the front end surface of the upper cover; the lower end cover is detachably clamped on the front end or the rear end of the upper cover; the lower end cover surrounds the corresponding wiring groove; One end of the upper end cover is correspondingly provided with two rotating shaft holes; the two rotating shaft holes are respectively arranged on the left outer surface and the right outer surface of the upper end cover and oppositely extend; one end of the upper end cover is connected to the two rotating shafts through the two rotating shaft holes; the other end of the upper end cover is used for overturning and covering the lower end cover.

2. The power pack using a detachable end cover according to claim 1, wherein The upper cover is further provided with two clamping grooves; The clamping grooves are recessed inwardly on the left side surface or the right side surface of the wiring groove; the clamping grooves are wide at the top and narrow at the bottom; The left inner wall surface and the right inner wall surface of the lower end cover are correspondingly provided with first protrusions; The first protrusions protrude outwardly from the left inner wall surface or the right inner wall surface of the lower end cover; the first protrusions are gap-fitted with the clamping grooves.

3. The power pack using a detachable end cover according to claim 2, characterized by, The distance between the two clamping grooves does not change with the change of the length and / or width of the upper cover.

4. The power pack using a detachable end cover according to claim 1, wherein The cable hole is divided into two halves which are opposite to each other; the upper half of the cable hole is arranged on the bottom of the upper end cover; the lower half of the cable hole is arranged on the corresponding part of the lower end cover.

5. The power pack using a detachable end cover according to claim 4, wherein The middle part of the lower end cover is further provided with a fastener fixing column; the upper end cover is correspondingly provided with a fastener mounting hole; The fastener fixing column extends upwardly and is arranged vertically; The fastener mounting hole penetrates the upper end cover from top to bottom.

6. The power pack using a detachable end cover according to claim 5, wherein The upper end cover is further provided with a first cable pressing block; the lower end cover is further provided with a second cable pressing block; The first cable pressing block and the second cable pressing block are oppositely arranged on the cable hole; One end of the first cable pressing block is connected to the outer wall of the fastener mounting hole; the other end of the first cable pressing block is connected to the inner wall of the upper end cover; One end of the second cable pressing block is connected to the outer surface of the fastener fixing column; the other end of the second cable pressing block is connected to the inner wall of the lower end cover; The gap between the first cable pressing block and the second cable pressing block is used for placing cables; The bottom surface of the first cable pressing block is a sawtooth-shaped protrusion which protrudes downwardly; The top surface of the second cable pressing block is provided with a plurality of protrusions which protrude upwardly; The protrusions correspondingly match the grooves in the sawtooth-shaped protrusion.

7. The power pack using a detachable end cover according to claim 5, wherein The lower end cover is further provided with a baffle; The left and right ends of the baffle are respectively connected to the left inner wall surface and the right inner wall surface of the lower end cover; the plate surface of the baffle which faces the upper cover is abutted against the outward groove wall of the wiring groove; the plate surface of the baffle which is away from the upper cover is abutted against the fastener fixing column.

8. The power pack using a detachable end cover according to claim 7, wherein The upper cover is further provided with a buckle slot; The buckle slot is located at the bottom of the front end face or the rear end face of the upper cover, and is recessed upward on the outward slot wall bottom face of the wiring slot; The lower end cover is correspondingly provided with a buckle, which is located at the bottom of the baffle and is matched with the buckle slot.

9. The power pack using a detachable end cover according to claim 1, wherein The upper cover is further provided with a plurality of clamping grooves; The clamping grooves are located at the bottom of the upper cover and are recessed inward on the inner wall of the upper cover; The bottom disc is provided with a plurality of second protrusions, the edge of the bottom disc is upwardly protruding, the second protrusions are outwardly protruding on the outer surface of the edge of the bottom disc, and the second protrusions are one-to-one matched with the clamping grooves.

10. The power pack using a detachable end cover according to claim 1, wherein The four surrounding slot walls of the wiring slot are used to surround the four surrounding terminals, and isolate the terminals and the main circuit of the power board.

Images