CN219286812U - Locking shell of manual maintenance switch - Google Patents

Abstract

The utility model discloses a locking shell of a manual maintenance switch, which comprises a plug assembly and a socket shell, wherein a handle is arranged on the plug assembly, the plug assembly is matched with the socket shell, the plug assembly is connected with the socket shell through the handle, the plug assembly and the socket shell are locked for two times through the handle, and a bolt structure is arranged on the socket shell. The socket bottom is provided with the bolt structure, the bolt structure is led in through the sliding rail on the socket shell, the first fixing lug and the second fixing lug on the socket bottom lock the rear bolt structure and firmly limit the rear bolt structure, at the moment, the socket contact master slice is also stably fixed in the socket shell due to the baffle plate, the bolt structure can provide stable anti-withdrawal jacking force for the socket contact master slice, deformation caused by lack of anti-withdrawal jacking force of the socket contact master slice is avoided, and the service life of the socket contact master slice is prolonged compared with that of the socket contact master slice.

Description

Locking shell of manual maintenance switch

Technical Field

The utility model relates to the technical field of electric passenger vehicles, in particular to a locking shell of a manual maintenance switch.

Background

The manual maintenance switch is used for disconnecting the high-voltage system when the electric vehicle is in transportation, maintenance or emergency, and the opening and closing of the energy storage system are controlled to ensure the safety of the electric vehicle.

Chinese patent with publication number CN206574623U discloses a novel maintenance switch, including last casing, socket go up the cap body and with the plug handle that last casing and socket go up the cap body grafting on the plug, the plug handle still includes that the second locking piece of plug is connected with the last casing buckle of plug and forms the secondary locking, last casing still includes the last casing time delay shell fragment of plug on the plug, when pressing the last casing time delay shell fragment of plug, last casing of plug and socket go up the cap body separation. However, in the patent, one end of the end part of the socket contact mother sheet is spliced with the sheet-shaped fuse, the other end of the end part of the socket contact mother sheet is bent for 90 degrees and then fixedly connected with the screw of the shell cover body on the socket, when the end part of the socket contact mother sheet is spliced with the sheet-shaped fuse, an pushing force is generated to the end part of the socket contact mother sheet, the pushing force directly acts on the socket contact mother sheet, and the socket contact mother sheet is not supported in the direction of the pushing force, so that the socket contact mother sheet is easy to deform, and the service life of the socket contact mother sheet is greatly reduced.

Disclosure of Invention

Aiming at the defects in the background art, the utility model provides a locking shell of a manual maintenance switch, which solves the technical problems that in the prior art, a socket contact master is easy to deform due to the lack of support in the pushing force direction, and the service life of the socket contact master is greatly shortened.

The technical scheme of the utility model is realized as follows: the utility model provides a locking shell of manual maintenance switch, includes plug shell and socket shell, be equipped with the handle on the plug shell, plug shell and socket shell cooperation, and accomplish twice locking through the handle between plug shell and the socket shell, be equipped with the bolt structure on the socket shell.

The plug pin structure comprises a middle plate and baffle plates, wherein the baffle plates are respectively arranged on two sides of the middle plate, a sliding groove is formed in the middle plate, a groove is formed in the bottom of the socket shell, a sliding rail is arranged in the groove, the sliding groove is in sliding connection with the sliding rail, an open groove is formed between the middle plate and the baffle plates, the open groove is matched with a socket contact master slice, and the socket contact master slice is contacted with and abutted against the top of the baffle plates.

The baffle is provided with a first fixing lug, the bottom of the socket shell is provided with a second fixing lug, and the first fixing lug is matched with the second fixing lug to complete the connection of the bolt structure and the socket shell.

The plug is characterized in that a fixed shaft and a primary locking lug are arranged on the plug shell, a delay shaft is arranged on the socket shell, a delay hole, a handle pressing plate and a rotating hole are respectively arranged on the handle pressing plate, a primary locking hanging buckle is arranged on the handle pressing plate, the fixed shaft is rotationally connected with the rotating hole, the delay hole is matched with the delay shaft, and the primary locking lug and the primary locking hanging buckle are clamped to complete primary locking.

The secondary locking device is characterized in that the handle is connected with a secondary locking part in a sliding mode, the secondary locking part comprises a secondary locking convex block, a secondary locking groove is formed in the plug shell, and the secondary locking convex block and the secondary locking groove are matched to complete secondary locking.

The secondary locking component comprises a secondary locking baffle plate, and a spring buckle is arranged on the secondary locking baffle plate; the handle is provided with a limit groove, the side wall of the limit groove is provided with a clamping groove, the secondary locking baffle is in plug-in fit with the limit groove, the elastic buckle is in sliding fit with the clamping groove, and the secondary locking lug is positioned on the secondary locking baffle.

One end of the secondary locking baffle is connected with a fixed plate, the other end of the secondary locking baffle is provided with a guide groove, the fixed plate is connected with a positioning plate, and the positioning plate is provided with anti-skid patterns; the handle is provided with a guide rail which is positioned in the middle of the bottom surface of the limiting groove and is in sliding fit with the guide groove.

The socket shell is provided with an embedded nut and a square nut, the bottom of the socket shell is provided with a countersunk hole, and the embedded nut and the square nut are arranged in the countersunk hole.

The bottom of the socket shell is provided with the bolt structure, the bolt structure is positioned in the stress direction of the socket contact master piece, the bolt structure is led in through the sliding rail on the socket shell, the first fixing lug and the second fixing lug on the socket shell lock the bolt structure and firmly limit the bolt structure, at the moment, the socket contact master piece is also stably fixed in the socket shell due to the baffle plate, the bolt structure can provide stable anti-withdrawal jacking force for the socket contact master piece, the deformation caused by the lack of anti-withdrawal jacking force of the socket contact master piece is avoided, compared with the socket contact master piece, the service life of the socket contact master piece is prolonged, the technical problem that the socket contact master piece is easy to deform due to the lack of support in the push-out force direction in the prior art is solved, and the service life of the socket contact master piece is greatly reduced. The utility model has the sectional unlocking and secondary separation structure form, and the secondary separation structure can effectively ensure that the locking shell needs to be unlocked in a stepped way, so as to prevent the power terminal which is caused by the rapid opening of the locking shell from being pulled out too quickly to form an electric arc, damage devices and hurt operators.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is an exploded view of the present utility model.

Fig. 2 is a perspective view of the present utility model.

Fig. 3 is a schematic view of a secondary lock assembly of the present utility model.

Fig. 4 is a schematic view of the handle of the present utility model.

Fig. 5 is a schematic view showing the connection of the secondary lock part and the handle.

Fig. 6 is a second schematic view of the connection of the secondary lock member to the handle of the present utility model.

Fig. 7 is a cross-sectional view of the connection of the plug housing and handle of the present utility model.

Fig. 8 is a cross-sectional view of the plug housing of the present utility model.

Fig. 9 is a cross-sectional view of a socket housing of the present utility model.

Fig. 10 is a schematic diagram showing the connection between the socket housing and the plug structure according to the present utility model.

Fig. 11 is a second schematic diagram of the connection between the socket housing and the plug structure according to the present utility model.

Fig. 12 is a bottom view of the present utility model.

Fig. 13 is a schematic view of a latch structure according to the present utility model.

Fig. 14 is a schematic view of the locking state of the present utility model.

Fig. 15 is a second schematic view of the locking state of the present utility model.

Fig. 16 is a schematic diagram showing a primary unlocking and primary separation state of the present utility model.

Fig. 17 is a schematic diagram of a primary unlock and primary unlock state of the present utility model.

Fig. 18 is a schematic diagram of a second-stage unlock and second-stage unlock state according to the present utility model.

Fig. 19 is a second schematic view of the second stage unlocking and second stage separation state of the present utility model.

In the figure, a handle 1, a secondary locking part 2, a plug housing 3, a 9 embedded nut, a socket housing 11, a plug pin structure 12, a square nut 13, a socket contact master piece 14, a slide rail 15, a second fixing lug 16, a first fixing lug 17, a baffle 18, a delay shaft 19, a groove 20, a slide groove 21, a snap button 22, a guide groove 23, a secondary locking lug 24, a secondary locking groove 25, a fixed shaft 26, a handle pressing plate 27, a delay hole 28, a primary locking lug 29, a positioning plate 30, a guide rail 31, a clamping groove 32, a plug lug 33, a socket lug 34, a rotating hole 35, a fixed plate 36, a secondary locking baffle 37, a primary locking hanging buckle 38, a limit groove 39, a viewing hole 40, a fence 41 and a middle plate 42.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, 12 and 13, a locking shell of a manual maintenance switch comprises a plug shell 3 and a socket shell 11, wherein a handle 1 is arranged on the plug shell 3, the plug shell 3 is matched with the socket shell 11, the plug shell 3 and the socket shell 11 are locked by the handle 1 twice, and a bolt structure 12 is arranged on the socket shell 11. The bottom of the socket is provided with the plug structure 12, the plug structure 12 is positioned in the stress direction of the socket contact master, the plug structure 12 is led in through the sliding rail 15 on the socket shell 11, after the first fixing convex block 17 and the second fixing convex block 16 are locked, the plug structure 12 is firmly limited, at the moment, the power component is also stably fixed in the socket shell 11 due to the baffle plate, the plug structure 12 can provide stable anti-withdrawal jacking force for the socket contact master 14, the deformation caused by the lack of anti-withdrawal jacking force of the socket contact master 14 is avoided, compared with the service life of the socket contact master, the technical problem that the socket contact master is easy to deform and the service life of the socket contact master is greatly reduced due to the lack of support of the socket contact master in the push-out force direction in the prior art is solved.

As shown in fig. 9, 10, 11, 12 and 13, the socket housing 11 is provided with a socket contact mother sheet 14, the socket housing 11 is in plug-in fit with the socket contact mother sheet 14, the end of the socket contact mother sheet 14 is in plug-in fit with the power pin 4, and the socket contact mother sheet 14 is in clamping connection with the pin structure 12. The latch structure 12 comprises a middle plate 42 and a baffle 18, the baffles 18 are respectively arranged on two sides of the middle plate 42, a chute 21 is arranged on the middle plate 42, a groove 20 is arranged at the bottom of the socket shell 11, a sliding rail 15 is arranged in the groove 20, the chute 21 is in sliding connection with the sliding rail 15, an open slot is arranged between the middle plate 42 and the baffle 18, the open slot is matched with the socket contact mother sheet 14, and the socket contact mother sheet 14 is contacted with and abutted against the top of the baffle 18. The baffle 18 is provided with a first fixing lug 17, the bottom of the socket shell 11 is provided with a second fixing lug 16, and the first fixing lug 17 is matched with the second fixing lug 16 to complete the connection of the plug pin structure 12 and the socket shell 11. After the latch structure 12 is led in through the sliding rail 15 on the socket shell 11 and the first fixing projection 17 and the second fixing projection 16 are locked, the latch structure 12 is firmly limited, and at the moment, the power component is stably fixed in the socket shell 11 due to the baffle, and the latch structure 12 can provide stable anti-withdrawal jacking force for the socket contact master 14.

As shown in fig. 2, fig. 4, fig. 7 and fig. 18, the plug housing comprises a plug housing 3, a fixed shaft 26 and a primary locking projection 29 are arranged on the plug housing 3, the socket housing comprises a socket housing 11, a delay shaft 19 is arranged on the socket housing 11, a delay hole 28, a handle pressing plate 27 and a rotating hole 35 are respectively arranged on the handle 1, a primary locking hanging buckle 38 is arranged on the handle pressing plate 27, the fixed shaft 26 is rotationally connected with the rotating hole 35, the delay hole 28 is matched with the delay shaft 19, and the primary locking projection 29 and the primary locking hanging buckle 38 are clamped to complete primary locking. The plug shell is provided with a plug lug 33, the socket shell is provided with a socket lug 34, and the plug shell and the socket shell are connected through the clamping connection of the plug lug 33 and the socket lug 34. The plug lug 33 is arranged on the inner side of the bottom of the plug shell 3, the plug lug 33 is fixed on one side of the plug shell 3, the plug lug 33 and the side wall of the plug shell 3 form an auxiliary lock lever, the plug lug 33 on the auxiliary lock lever is clamped with the socket lug 34 to complete the connection of the plug shell and the socket shell, when the plug shell and the socket shell are required to be separated, the auxiliary lock lever is pressed to be far away from one end of the plug lug 33, namely, the top of the side wall of the plug shell 3 is pressed, so that the side wall of one end of the plug lug 33 slightly deforms, the plug lug 33 is separated from the socket lug 34, and then the plug shell and the socket shell are separated.

As shown in fig. 2, 3, 5, 6, 7 and 18, the handle 1 is provided with a secondary lock part 2, which is a connector position assurance member; the secondary locking part 2 comprises a secondary locking lug 24, a secondary locking groove 25 is formed in the plug housing 3, and the secondary locking lug 24 and the secondary locking groove 25 are matched to complete secondary locking. The secondary lock part 2 comprises a secondary locking baffle 37, and a spring buckle 22 is arranged on the secondary locking baffle 37; the handle 1 is provided with a limit groove 39, the side wall of the limit groove 39 is provided with a clamping groove 32, the secondary locking baffle 37 is in plug-in fit with the limit groove 39, the elastic buckle 22 is in sliding fit with the clamping groove 32, and the secondary locking lug 24 is positioned on the secondary locking baffle 37. One end of the secondary locking baffle 37 is connected with a fixed plate 36, the other end of the secondary locking baffle 37 is provided with a guide groove 23, the fixed plate 36 is connected with a positioning plate 30, and the positioning plate 30 is provided with anti-skid patterns; the handle 1 is provided with a guide rail 31, the guide rail 31 is positioned in the middle of the bottom surface of the limit groove 39, and the guide rail 31 is in sliding fit with the guide groove 23. The elastic buckle 22 makes the locking and unlocking damping sense and the feeling of the push and pull clear, and effectively distinguishes whether the lock is locked or not. The guide groove 23 ensures the correct path of the secondary lock member 2. When the secondary locking part locks the handle 1, on the one hand, the secondary locking lug 24 on the secondary locking baffle 37 and the secondary locking groove 25 are clamped to complete locking, so that the handle 1 is in a locking state, the risk of transverse movement of the secondary locking part 2 is reduced, on the other hand, the secondary locking baffle 37 is filled between the handle 1 and the handle pressing plate 27, the handle pressing plate 27 is deformed in a downward movement manner, further the primary locking lug 29 and the primary locking hanging buckle 38 are clamped tightly, the risk of transverse movement of the secondary locking part 2 is reduced, and the risk of separation of the primary locking lug 29 and the primary locking hanging buckle 38 is reduced.

As shown in fig. 1 and 8, the socket housing 11 is provided with a built-in nut 9 and a square nut 13, the bottom of the socket housing 11 is provided with a counter bore, and the built-in nut 9 and the square nut 13 are both arranged in the counter bore. The socket contact master 14 is provided with a through hole concentric with the countersunk hole, and a bolt is inserted through the countersunk hole to fix the socket contact master 14 to the socket housing 11.

In the implementation of the embodiment, the secondary locking part 2 is matched with the handle 1 to form a main locking structure, then the secondary locking part 2 is assembled in sequence to form a plug shell and a socket shell, when the secondary locking part 2 is locked, the plug shell and the socket shell are inserted into each other after being shifted to the unlocking position of the secondary locking part 2 to form an auxiliary locking structure, and then after the plug lug 33 is clamped with the socket lug 34, the handle 1 is pressed down to enable the handle 1 to rotate around the fixed shaft 26 until the primary locking lug 29 and the primary locking hanging buckle 38 are locked, the handle 1 is stopped rotating, then the secondary locking part 2 is shifted to the locking position, and at the moment, the secondary locking lug 24 is contacted and buckled with the secondary locking groove 25 on the plug shell 3; when the secondary locking component 2 is separated, as shown in fig. 14 and 15, the secondary locking component 2 is firstly moved to the unlocking position, the main locking structure is separated, at the moment, the secondary locking lug 24 is separated from the secondary locking groove 25 on the plug housing 3, the secondary locking baffle 37 does not press the handle pressing plate 27 any more, the handle pressing plate 27 is lifted, the primary locking lug 29 and the primary locking hanging buckle 38 are separated from clamping, the handle 1 is lifted and the handle is lifted to rotate to about 60 degrees, and then the primary unlocking is completed, and the primary separation is shown in fig. 16 and 17; the plug housing 3 is pressed to separate the plug protrusion 33 from the socket protrusion 34, that is, the secondary locking structure is separated, and the secondary unlocking and the secondary separation can be completed by pulling out the plug housing in a proper direction, as shown in fig. 18 and 19.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a locking shell of manual maintenance switch, includes plug shell (3) and socket shell (11), its characterized in that, be equipped with handle (1) on plug shell (3), plug shell (3) and socket shell (11) cooperation, and accomplish twice locking through handle (1) between plug shell (3) and socket shell (11), be equipped with bolt structure (12) on socket shell (11).

2. The locking shell of a manual maintenance switch according to claim 1, wherein the latch structure (12) comprises a middle plate (42) and a baffle plate (18), the baffle plates (18) are respectively arranged on two sides of the middle plate (42), a sliding groove (21) is formed in the middle plate (42), a groove (20) is formed in the bottom of the socket shell (11), a sliding rail (15) is arranged in the groove (20), the sliding groove (21) is in sliding connection with the sliding rail (15), an open groove is formed between the middle plate (42) and the baffle plate (18), the open groove is matched with the socket contact master piece (14), and the socket contact master piece (14) is contacted with and abutted against the top of the baffle plate (18).

3. The locking shell of the manual maintenance switch according to claim 2, wherein the baffle (18) is provided with a first fixing lug (17), the bottom of the socket shell (11) is provided with a second fixing lug (16), and the first fixing lug (17) is matched with the second fixing lug (16) to complete the connection of the bolt structure (12) and the socket shell (11).

4. A locking shell for a manual maintenance switch according to any one of claims 1 to 3, wherein a fixed shaft (26) and a primary locking projection (29) are arranged on the plug housing (3), a delay shaft (19) is arranged on the socket housing (11), a delay hole (28), a handle pressing plate (27) and a rotating hole (35) are respectively arranged on the handle (1), a primary locking hanging buckle (38) is arranged on the handle pressing plate (27), the fixed shaft (26) is rotationally connected with the rotating hole (35), the delay hole (28) is matched with the delay shaft (19), and the primary locking projection (29) and the primary locking hanging buckle (38) are tightly clamped to complete primary locking.

5. The locking shell of the manual maintenance switch according to claim 4, wherein the handle (1) is slidably connected with a secondary locking component (2), the secondary locking component (2) comprises a secondary locking lug (24), a secondary locking groove (25) is formed in the plug housing (3), and the secondary locking lug (24) and the secondary locking groove (25) are matched to complete secondary locking.

6. The locking shell of a manual maintenance switch according to claim 5, characterized in that the secondary locking part (2) comprises a secondary locking baffle (37), and a spring buckle (22) is arranged on the secondary locking baffle (37); be equipped with spacing groove (39) on handle (1), be equipped with draw-in groove (32) on the lateral wall of spacing groove (39), secondary locking baffle (37) are pegged graft and are cooperated with spacing groove (39), bullet knot (22) and draw-in groove (32) sliding fit, secondary locking lug (24) are located on secondary locking baffle (37).

7. The locking shell of the manual maintenance switch according to claim 6, wherein one end of the secondary locking baffle (37) is connected with a fixed plate (36), the other end of the secondary locking baffle (37) is provided with a guide groove (23), the fixed plate (36) is connected with a positioning plate (30), and the positioning plate (30) is provided with an anti-skid pattern; the handle (1) is provided with a guide rail (31), the guide rail (31) is positioned in the middle of the bottom surface of the limit groove (39), and the guide rail (31) is in sliding fit with the guide groove (23).

8. The locking shell of a manual maintenance switch according to any one of claims 1-3 and 5-7, wherein the socket housing (11) is provided with an embedded nut (9) and a square nut (13), the bottom of the socket housing (11) is provided with a counter bore, and the embedded nut (9) and the square nut (13) are both arranged in the counter bore.

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