High-protection safe unlocking connector

Abstract

The utility model discloses a connector with high protection and safe unlocking. The connector comprises a plug part and a socket part, wherein an outer protective shell of the plug part is in threaded connection with a base of the socket part; a fuse is installed in the middle of a base of the socket part, power terminals are symmetrically installed at the two ends of the base of the socket part, transverse contact blocks of the fuse are attached to the power terminals and connected through connecting bolts, and dismounting openings of two limiting clamps wrap nuts of the connecting bolts. The opening ends of inner cavities of the two symmetrical inner protective covers are connected with the two ends of the fuse in a wrapping mode, the outer ends of the inner cavities contain the limiting clamps, the connecting bolts and the contact blocks in a sealed mode, and first warning labels are arranged on the upper end faces of the inner protective covers. The anti-finger-touch switch has the advantages of having a good anti-finger-touch function, avoiding the risk of electric shock, guaranteeing personal safety and being high in safety performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connector, especially a kind of high protection safety unlocking connector. BACKGROUND

[0002] Connector is important component in new energy field, connector is usually powered with high voltage and large current, so that connector is provided with fuse for safety protection, current fuse module only has one layer of protection of outer cover, its defects are: when removing plug outer cover, single socket is exposed, live part is directly exposed, there is no high voltage warning, and there is no anti-touch protection, people can touch live part, there is safety risk. UTILITY MODEL CONTENT

[0003] In order to solve one or more of the above problems, the utility model provides a kind of high protection safety unlocking connector.

[0004] According to one aspect of the utility model, the high protection safety unlocking connector includes:

[0005] Plug portion, the outer protection shell of plug portion is threadedly connected on the base of socket portion, and the inner cavity of outer protection shell sealingly accommodates the components on the base;

[0006] Socket portion, fuse is installed in the middle of the upper surface of the base of socket portion, and vertical power terminals are symmetrically installed at both ends, two transverse contact blocks of fuse are attached to the upper end face of power terminal, and both are fixedly connected by connecting bolt, two limit cards are clamped at the lower end of base, and the upper end of two limit cards is wrapped around the nut of connecting bolt, the lower end of two symmetrical inner protective covers is clamped and attached to the base, the inner cavity of inner protective cover is sleeved at both ends of fuse, and the outer end of the inner cavity of inner protective cover sealingly accommodates limit card, connecting bolt and contact block.

[0007] In some embodiments, first warning label is provided on the upper end face of inner protective cover;

[0008] Or second warning label is provided on the upper surface of outer protection shell.

[0009] In some embodiments, a plurality of first threaded holes are provided around the base, a plurality of first through holes are provided around the mounting hole of panel, and first threaded members pass through first through holes and connect first threaded holes, so that socket portion is preassembled under panel, and fuse, limit card, inner protective cover and connecting bolt of socket portion extend out of mounting hole.

[0010] In some embodiments, outer protection shell includes upper cover and flat wing plate integrally connected to the edge around the lower end of upper cover, second threaded members pass through second through holes of flat wing plate, third through holes of panel and are threadedly connected to second threaded holes of base.

[0011] In some embodiments, a first end face sealing ring is arranged between the flat wing plate and the panel, and a second end face sealing ring is arranged between the base and the panel, so as to achieve IP68 sealing protection.

[0012] In some embodiments, the first nut and the second nut are integrally injection molded on the base, the inner thread of the first nut is the first threaded hole, and the inner thread of the second nut is the second threaded hole.

[0013] The bushing is fitted into the first through hole, the second through hole, and the third through hole in an interference fit.

[0014] In some embodiments, a vertical limiting shell is integrally connected to the middle of the upper surface of the base, mounting seats are formed at both ends of the limiting shell, and a receiving groove is formed in the middle, the fuse is placed in the receiving groove, an O-shaped ring is sleeved on the outer wall of the power terminal shaft, and a vertical shaft hole of the mounting seat is integrally injection molded, so as to achieve separate IP68 protection.

[0015] In some embodiments, the contact block is provided with an externally open U-shaped through hole, the power terminal upper end surface extends out of the vertical shaft hole, and the connecting bolt passes through the U-shaped through hole to connect the power terminal.

[0016] In some embodiments, the limiting card includes a vertical base plate attached to the lower end of the mounting seat, lower insertion blocks on both sides of the lower end of the vertical base plate are inserted into first insertion holes of the mounting seat, and the upper end of the vertical base plate is vertically connected to a disassembly opening of a U-shaped opening ring structure.

[0017] In some embodiments, a C-shaped end shell on the inner side of the inner protective cover sheaths the fuse, U-shaped elastic claws on both sides of the inner protective cover are inserted into second insertion holes of the mounting seat, and outer buckles of the U-shaped elastic claws extend into buckling openings on the outer hole wall of the second insertion holes.

[0018] The high-protection safe unlocking connector has double protection of the outer protective shell and the inner protective cover. When the current needs to be disconnected, the outer protective shell is first disassembled, then the protective cover is disassembled, and finally a special tool matched with the limiting card is used to disassemble the screw to achieve electrical separation. It needs multiple different actions to complete, and its beneficial effects are: first, when the plug part is disassembled, the bare socket part is exposed, the live part is sealed and protected by the inner protective cover, good anti-touch function is achieved, the risk of touching the live part by people is avoided, and the safety performance is high; second, the inner protective cover is provided with a first warning label, which can remind the operator to be vigilant when disassembling, reduce the risk probability of the operator being electrocuted, and improve the safety performance; third, the limiting card is provided with a special disassembly opening, when the power terminal that has been disconnected is disassembled, the box and other parts still have residual electricity, the connecting bolt needs to be disassembled, the limiting card can effectively standardize the special disassembly tool and disassembly action, ensure that the disassembly tool will not be connected with the box and other live parts to form a loop, and further protect personal safety. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1A three-dimensional schematic view of a connector with high protection and safety unlocking according to an embodiment of the utility model;

[0020] Figure 2 For Figure 1 A three-dimensional schematic view of a panel shown in the figure;

[0021] Figure 3 For Figure 1 A three-dimensional exploded schematic view of the plug part shown in the figure;

[0022] Figure 4 For Figure 1 A three-dimensional exploded schematic view of the socket part shown in the figure;

[0023] Figure 5 For Figure 1 A three-dimensional schematic view of the socket part shown in the figure with the inner protective cover removed at one end;

[0024] Figure 6 For Figure 5 A three-dimensional schematic view of a base shown in the figure;

[0025] Figure 7 For Figure 5 A three-dimensional schematic view of a protective cover shown in the figure;

[0026] Figure 8 For Figure 5 A three-dimensional schematic view of a limiting card, a contact block and a power terminal shown in the figure;

[0027] Plug part 01, second warning label 010, second threaded part 011, first end face sealing ring 012, outer protective shell 1, upper cover 10, flat wing plate 11, second through hole 12, rib plate 13, bushing 8;

[0028] Socket part 02, first warning label 020, second end face sealing ring 021, base 2, first threaded hole 21, second threaded hole 22, limiting shell 23, mounting seat 24, accommodating groove 25, vertical shaft hole 26, first insertion hole 27, second insertion hole 28, bayonet 29, power terminal 3, limiting card 4, vertical base plate 40, dismounting opening 41, lower insertion block 42, inner protective cover 5, C-shaped end shell 51, U-shaped elastic claw 52, outer buckle 53, fuse 6, contact block 61, U-shaped perforation 62, connecting bolt 7, O-shaped ring 9;

[0029] Panel 03, mounting hole 030, first through hole 031, third through hole 032. DETAILED DESCRIPTION

[0030] The utility model will be made further detailed description in combination with the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawings, and the words "inner" and "outer" refer to the direction towards or away from the geometric center of a particular component.

[0031] Figures 1 to 8 A high-protection safety unlocking connector according to an embodiment of the utility model is schematically shown. As shown in the figure, the high-protection safety unlocking connector comprises:

[0032] The plug part 01 is screwed onto the base 2 of the socket part 02, and the inner cavity of the outer protective shell 1 seals the components on the base 2. Preferably, the upper surface of the outer protective shell 1 is provided with a second warning label 010.

[0033] The socket part 02 is provided with a fuse 6 in the middle of the upper surface of the base 2 and two vertical power terminals 3 symmetrically installed at both ends, and the two transverse contact blocks 61 of the fuse 6 are attached to the upper end face of the power terminal 3 and are fixedly connected by a connecting bolt 7. The lower end of the two limiting clamps 4 is clamped to the base 2, and the upper end disassembly opening 41 of the limiting clamp 4 is wrapped around the outer surface of the nut of the connecting bolt 7. The lower end of the two symmetric inner protective covers 5 is clamped to the base 2, and the inner cavity of the inner protective cover 5 is wrapped around the two ends of the fuse 6, and the inner cavity of the inner protective cover 5 is sealed to contain the limiting clamp 4, the connecting bolt 7 and the contact block 61. The upper end face of each inner protective cover 5 is preferably provided with a first warning label 020, which can remind the operator to be vigilant when disassembling, reduce the risk probability of electric shock of the operator, and improve the safety performance. Among them, a preferred fixed setting of the base 2 and the panel 03 is that the base 2 is provided with a plurality of first threaded holes 21 around the periphery, the mounting hole 030 of the panel 03 is provided with a first through hole 031 around the periphery, and the first threaded part passes through the first through hole 031 to connect the first threaded hole 21, so that the socket part 02 is pre-assembled under the panel 03, and the fuse 6, the limiting clamp 4, the inner protective cover 5 and the connecting bolt 7 of the socket part 02 protrude out of the mounting hole 030. Its beneficial effect is that the socket part 02 is pre-assembled on the panel 03, which facilitates subsequent assembly.

[0034] The high-protection safety unlocking connector has double protection of the outer protection shell 1 and the inner protection cover 5. When the current needs to be disconnected, the outer protection shell 1 is first disassembled, then the protection cover is disassembled, and finally the screw is disassembled using a special tool matched with the limiting clamp 4 to realize electrical separation. It needs different actions to complete it. Its beneficial effects are: first, when the plug-in part 01 is disassembled, the bare socket part 02 is exposed, the live part is sealed and protected by the inner protection cover 5, and the function of preventing touching is good, which avoids the risk of touching the live part, and the safety performance is high; second, the limiting clamp 4 is provided with a special disassembly port, when the power terminal 3 is disassembled after being disconnected, the box and other parts still have residual electricity, the connecting bolt 7 needs to be disassembled, the limiting clamp 4 can effectively regulate the special disassembly tool and disassembly action, and ensure that the disassembly tool cannot be connected with the box and other live parts to form a loop, and the personal safety is further ensured.

[0035] Further, the outer protection shell 1 includes an upper cover 10 and a flat wing plate 11 integrally connected to the lower end of the upper cover 10. The flat wing plate 11 is provided with a plurality of second through holes 12, and the mounting hole 030 of the panel 03 is provided with a third through hole 032. The second threaded part 011 passes through the second through hole 12 and the third through hole 032 and is threadedly connected with the second threaded hole 22 of the base 2. Its beneficial effects are: the setting further improves the convenience of assembly, and the assembly efficiency is high.

[0036] The upper cover 10 is provided with a second warning label 010. Its beneficial effects are: the warning label can remind the operator to be vigilant when disassembling, reduce the risk probability of the operator being electrocuted, and improve the safety performance.

[0037] Preferably, a first end face sealing ring 012 is further arranged between the sealing grooves opposite to the flat wing plate 11 and the panel 03, and a second end face sealing ring 021 is arranged between the sealing grooves opposite to the base 2 and the panel 03, so as to realize IP68 end face sealing protection. Its beneficial effects are: the setting has high sealing protection level, and can realize safety protection for 72h under 2m water condition.

[0038] Preferably, a plurality of rib plates 13 are arranged between the upper cover 10 and the flat wing plate 11. Its beneficial effects are: the setting further improves the strength of the shell and prolongs the service life of the shell.

[0039] Preferably, the base 2 is integrally injection molded with a first nut and a second nut. The inner thread of the first nut is the first threaded hole 21, and the inner thread of the second nut is the second threaded hole 22.

[0040] The first through hole 031, the second through hole 12 and the third through hole 032 are fitted with the bushing 8. The setting makes the mounting nuts all located below the panel 03 on the base 2, the outer protective shell 1 does not need to carry the mounting nuts, the protection level is further improved, and the overall protection level can reach IP68, that is, the safety protection can be realized for 72h under the condition of 2m water.

[0041] Further, a vertical limiting shell 23 is integrally connected to the middle of the upper surface of the base 2, mounting seats 24 are formed at both ends of the limiting shell 23, and a containing groove 25 is formed in the middle, the fuse 6 is placed in the containing groove 25, the outer wall shaft sleeve O-ring 9 of the power terminal 3 is integrally injection-molded and connected to the vertical shaft hole 26 of the mounting seat 24, and the single IP68 protection is realized. The beneficial effect of the setting is that the sealing property of the power terminal 3 is improved, and the safety protection time is long.

[0042] Preferably, the contact block 61 is provided with an outer opening U-shaped through hole 62, the upper end surface of the power terminal 3 extends out of the vertical shaft hole 26 of the mounting seat 24, and the connecting bolt 7 is screwed to the center threaded blind hole of the upper end surface of the power terminal 3 through the U-shaped through hole 62. Preferably, the limiting clip 4 includes a vertical substrate 40 abutting the mounting seat 24 at the lower end, lower insertion blocks 42 at both sides of the lower end of the vertical substrate 40 are inserted into the first insertion hole 27 of the mounting seat 24, a disassembly opening 41 of a U-shaped opening ring structure is vertically connected to the upper end of the vertical substrate 40, and a gap is provided between the vertical substrate 40 and the end wall of the fuse 6. The beneficial effect of the setting is that the structure is simple, and the special tool disassembly operation is facilitated.

[0043] Further, the C-shaped end shell 51 of the inner protective cover 5 is abuttingly connected to the side wall of the fuse 6, the U-shaped elastic claws 52 of the inner protective cover 5 are inserted into the second insertion hole 28 of the mounting seat 24, and the outer buckles 53 of the U-shaped elastic claws 52 extend into the buckle 29 on the outer hole wall of the second insertion hole 28. The beneficial effect of the setting is that the assembly and disassembly are facilitated.

[0044] The above only describes some embodiments of the present application. Those skilled in the art can make some modifications and improvements without departing from the inventive concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A high-guard safety-unlock connector, characterized by, The utility model relates to a power socket, which comprises: a plug part (01), an outer protective shell (1) of the plug part (01) is threadedly connected to a base (2) of a socket part (02), and an inner cavity of the outer protective shell (1) seals and contains components on the base (2); the socket part (02), a fuse (6) is mounted in the middle of an upper surface of the base (2), and vertical power terminals (3) are symmetrically mounted at both ends of the base (2), two transverse contact blocks (61) of the fuse (6) are attached to upper end faces of the power terminals (3), and the two are fixedly connected by connecting bolts (7), two limit clamps (4) are clamped to the base (2) at lower ends thereof and have dismounting openings (41) at upper ends thereof which surround outer screw nuts of the connecting bolts (7), and two symmetric inner protective covers (5) are clamped to the base (2) at lower ends thereof, inner cavities of the inner protective covers (5) surround both ends of the fuse (6) and seal and contain the limit clamps (4), the connecting bolts (7) and the contact blocks (61) at outer ends of the inner cavities.

2. A high-guard safety unlocked connector according to claim 1, wherein a first warning label (020) is arranged on an upper end face of the inner protective cover (5); or a second warning label (010) is arranged on an upper surface of the outer protective shell (1).

3. A high-guard safety unlocked connector according to claim 1, wherein a plurality of first threaded holes (21) are arranged around the base (2), a mounting hole (030) of a panel (03) is provided with first through holes (031) around the mounting hole (030), first threaded members pass through the first through holes (031) and are connected to the first threaded holes (21), so that the socket part (02) is preassembled under the panel (03), and the fuse (6), the limit clamps (4), the inner protective cover (5) and the connecting bolts (7) of the socket part (02) protrude out of the mounting hole (030).

4. A high safety security unlocked connector according to claim 3, wherein the outer protective shell (1) comprises an upper cover (10) and a flat wing plate (11) integrally connected to a periphery of a lower end of the upper cover (10), and second threaded members (011) pass through second through holes (12) of the flat wing plate (11), third through holes (032) of the panel (03) and second threaded holes (22) of the base (2) to be threadedly connected.

5. A high safety security unlocked connector according to claim 4, wherein, first end face sealing rings (012) are arranged between the flat wing plate (11) and the panel (03), and second end face sealing rings (021) are arranged between the base (2) and the panel (03).

6. A high safety safety-unlock connector according to claim 4, wherein first nuts and second nuts are integrally injection-molded on the base (2), inner threads of the first nuts are the first threaded holes (21), and inner threads of the second nuts are the second threaded holes (22); bushings (8) are interference-fitted in the first through holes (031), the second through holes (12) and the third through holes (032).

7. A high safety safety-unlock connector according to claim 3, wherein a vertical limit shell (23) is integrally connected to the middle of an upper surface of the base (2), mounting seats (24) are formed at both ends of the limit shell (23) and an accommodating groove (25) is formed in the middle of the limit shell (23), the fuse (6) is placed in the accommodating groove (25), and the power terminals (3) are provided with O-rings (9) on outer walls thereof and are integrally injection-molded with vertical shaft holes (26) of the mounting seats (24).

8. A high safety security unlocked connector according to claim 7, wherein the contact blocks (61) are provided with U-shaped through holes (62) which are open on outer sides, upper end faces of the power terminals (3) protrude out of the vertical shaft holes (26), and the connecting bolts (7) pass through the U-shaped through holes (62) to be connected to the power terminals (3).

9. A high safety security-unlocked connector according to claim 7, characterized in that, The limiting card (4) comprises a vertical base plate (40) which is attached to the lower end of the mounting seat (24), the lower insertion block (42) on both sides of the lower end of the vertical base plate (40) is inserted into the first insertion hole (27) of the mounting seat (24), and the upper end of the vertical base plate (40) is vertically connected to the disassembly opening (41) of the U-shaped open ring structure.

10. A high-guard safety unlocked connector according to claim 7, wherein The C-shaped end shell (51) on the inner side of the inner protective cover (5) covers the fuse (6), the U-shaped elastic claw (52) on both sides of the inner protective cover (5) is inserted into the second insertion hole (28) of the mounting seat (24), and the outer buckle (53) of the U-shaped elastic claw (52) extends into the buckle (29) on the outer hole wall of the second insertion hole (28).

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