CN219286743U

CN219286743U - High connector of security

Info

Publication number: CN219286743U
Application number: CN202320800224.5U
Authority: CN
Inventors: 黄普焕; 李友
Original assignee: Zhongshan Huled Electric Co ltd
Current assignee: Guangdong Huilaide Electrical Appliance Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-06-30
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a high connector of security, includes plug shell and terminal seat, be provided with bottom open-ended grafting chamber in the plug shell, the terminal seat is pegged graft in the grafting intracavity, matrix has arranged a plurality of vertical setting's mounting groove on the terminal seat, it has electrically conductive shell fragment to peg graft in the mounting groove, be provided with the extension boss on the top surface of plug shell, a plurality of second spliced eyes have been seted up to corresponding electrically conductive shell fragment on the extension boss, extension boss upper cover closes and is provided with the upper cover, a plurality of first spliced eyes have been seted up to corresponding electrically conductive shell fragment on the upper cover. The waterproof silica gel piece and the waterproof hole are arranged, so that water can be effectively prevented from flowing into the plug shell, the second plug hole is arranged below the waterproof silica gel piece, and even if a small amount of residual water marks enter the waterproof hole when the electric pin is inserted into the waterproof hole, the residual water marks can be reserved in the second plug hole, and safety accidents caused by short circuit due to the fact that the electric pin is communicated with the conductive elastic pieces when the electric pin flows to the terminal seat are avoided.

Description

High connector of security

Technical Field

The utility model belongs to the field of connectors, and particularly relates to a connector with high safety.

Background

At present, the existing connectors for kitchen appliances are mostly arranged on the shell of a machine, so that a user can not avoid water flowing into the connectors in the flushing process, and when the user uses the connectors again, if the interiors of the connectors are not dried, the interiors of the connectors are easy to cause short circuit after the power is supplied, and potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide a connector with high safety aiming at the problems existing in the prior art.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a high connector of security, includes plug shell and terminal seat, be provided with bottom open-ended grafting chamber in the plug shell, the terminal seat is pegged graft in the grafting intracavity, a plurality of vertical setting's mounting groove has been arranged to the matrix on the terminal seat, it has electrically conductive shell fragment to peg graft in the mounting groove, be provided with the extension boss on the top surface of plug shell, a plurality of second spliced eyes have been seted up to corresponding electrically conductive shell fragment on the extension boss, extension boss upper cover closes and is provided with the upper cover, a plurality of first spliced eyes have been seted up to corresponding electrically conductive shell fragment on the upper cover, be provided with waterproof silica gel piece between upper cover and the extension boss, set up the waterproof hole that is suitable for electric pin to insert and be connected with electrically conductive shell fragment electricity on the waterproof silica gel piece.

Preferably, the height of the extension boss is 1-3mm.

Preferably, the waterproof silica gel piece is provided with a plurality of silica gel bosses which extend into the first inserting holes and are flush with the top surfaces of the first inserting holes, the waterproof holes are correspondingly arranged on the silica gel bosses, and support bosses used for supporting the silica gel bosses are upwards arranged along the outer walls of the second inserting holes in an extending mode.

Preferably, an insulation groove is arranged between two adjacent installation grooves on the terminal seat, an insulation convex rib is arranged on the inner wall of the insertion cavity corresponding to the insulation groove, and the insulation convex rib is inserted in the insulation groove.

Preferably, a guiding cambered surface or a guiding inclined surface is arranged at the bottom of the insulation convex rib.

Preferably, a first buckling connector is arranged at the bottom of the side wall of the plug shell, a first back-off block extends corresponding to the first buckling connector, and the terminal seat is buckled and fixed in the plug cavity through the first back-off block and the first buckling connector; the extension boss lateral wall bottom is provided with the second and detains the interface, upper cover inner wall bottom corresponds the second and detains the interface extension and have the second back-off piece, the upper cover passes through the second back-off piece and detains the interface lock with the second and fix on the extension boss.

Preferably, the socket further comprises a socket shell with an opening at one side and a hollow interior, wherein a plurality of electric pins are arranged in the socket shell corresponding to the conductive elastic sheets, a first foolproof groove is arranged on the inner side wall of the socket shell, and a first foolproof protrusion which is in sliding connection with the first foolproof groove in an upward moving manner is arranged on the outer side wall of the plug shell corresponding to the first foolproof groove; the plug is characterized in that a second fool-proof groove is formed in the inner side wall of the plug shell, and a second fool-proof protrusion which is connected with the second fool-proof groove in a sliding mode is arranged on the terminal seat corresponding to the second fool-proof groove.

Preferably, the waterproof hole is a dividing crack engraved on the waterproof silica gel sheet, the penetrated part of the waterproof silica gel sheet is dispersed into a multi-flap lip along the dividing crack when the electric pin passes through the waterproof silica gel sheet, and the multi-flap lip can be restored into a planar splice shape along the dividing crack when the electric pin is pulled away from the waterproof silica gel sheet.

The beneficial effects of the utility model are that

Compared with the prior art, the utility model has the advantages that:

the waterproof silica gel piece and the waterproof hole are arranged, so that water can be effectively prevented from flowing into the plug shell, the second inserting holes are formed in the extension boss below the waterproof silica gel piece, the insertion stroke of the electric pins is prolonged, a section of safety space is formed, a small amount of residual water marks enter the waterproof hole even when the electric pins are inserted into the waterproof hole, the residual water marks remain in the second inserting holes, safety accidents caused by short circuit due to the fact that the electric conductive elastic pieces are communicated with each other due to the fact that the electric pins flow to the terminal seat are avoided, the second inserting holes are separated from each other and correspond to the mounting grooves one by one, the short circuit due to the fact that the electric conductive elastic pieces are communicated with each other due to water inlet is further avoided, and the safety of the connector is guaranteed.

Drawings

FIGS. 1, 2 and 3 are exploded views of the structure of the present utility model;

fig. 4 is a schematic connection diagram of a terminal block and a conductive spring plate according to the present utility model;

fig. 5 is a schematic structural view of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings for a better understanding of the objects, structures and functions of the present utility model.

As shown in fig. 1-5, the connector with high safety comprises a plug housing 1 and a terminal seat 2, wherein a plugging cavity 11 with an opening at the bottom is arranged in the plug housing 1, the terminal seat 2 is plugged in the plugging cavity 11, a plurality of vertically arranged mounting grooves 21 are arranged on the terminal seat 2 in a matrix manner, conductive elastic sheets 22 are plugged in the mounting grooves 21, an extension boss 23 is arranged on the top surface of the plug housing 1, a plurality of second plugging holes 231 are formed on the extension boss 23 corresponding to the conductive elastic sheets 22, an upper cover 3 is arranged on the extension boss 23 in a closing manner, a plurality of first plugging holes 31 are formed on the upper cover 3 corresponding to the conductive elastic sheets 22, a waterproof silica gel sheet 4 is arranged between the upper cover 3 and the extension boss 23, and waterproof holes 41 suitable for inserting electric pins 71 and electrically connected with the conductive elastic sheets 22 are formed on the waterproof silica gel sheet 4.

The waterproof silica gel piece 4 and the waterproof hole 41 are arranged, so that water can be effectively prevented from flowing into the plug shell 1, the second inserting holes 231 formed in the extension boss 23 are further arranged below the waterproof silica gel piece 4, the inserting stroke of the electric pins 71 is prolonged, a safety space is formed, a small amount of residual water marks enter the waterproof hole 41 even when the electric pins 71 are inserted into the waterproof hole 41, the residual water marks remain in the second inserting holes 231, safety accidents caused by short circuit due to communication between the conductive elastic pieces 22 caused by flowing to the terminal seat 2 are avoided, the second inserting holes 231 are separated from each other and correspond to the mounting grooves 21 one by one, the short circuit caused by communication between the conductive elastic pieces 22 due to water inflow is further avoided, and the safety of the connector is ensured.

Further, the height of the extension boss 23 is 1-3mm. The insertion stroke of the electrical pin 71 can be prolonged to form a safety space, and the electrical pin 71 cannot communicate with the conductive spring piece 22 due to the too long stroke caused by the too long second insertion hole 231 can be prevented.

Further, the waterproof silica gel sheet 4 is provided with a plurality of silica gel bosses 42 extending into the first plugging holes 31 and flush with the top surface of the first plugging holes 31, the waterproof holes 41 are correspondingly arranged on the silica gel bosses 42, and support bosses 232 for supporting the silica gel bosses 42 are upwardly extending along the outer walls of the second plugging holes 231. According to the utility model, the silica gel boss 42 is extended into the first inserting hole 31, so that moisture can be prevented from accumulating in a concave cavity formed by the first inserting hole 31 and the waterproof silica gel sheet 4, and moisture is easy to permeate into the connector due to long-term accumulation, so that safety accidents are caused; the support boss 232 can prevent the silica gel boss 42 from sagging and deforming when the electric pin 71 is inserted into the waterproof silica gel sheet 4, and the support boss 232 extends the second insertion hole 231, thereby further increasing the safety space.

Further, an insulation groove 51 is provided between two adjacent installation grooves 21 on the terminal base 2, an insulation rib 52 is provided on the inner wall of the plugging cavity 11 corresponding to the insulation groove 51, and the insulation rib 52 is plugged in the insulation groove 51. Through the cooperation of insulation recess 51 and insulation protruding muscle 52, can increase the creepage distance of electrically conductive shell fragment 22, prevent that strong current from interfering with weak current to and zero live wire short circuit, further improve the security of connector.

Further, the bottom of the insulation bead 52 is provided with a guide arc surface 521 or a guide slope. When the plug housing 1 and the terminal block 2 are inserted, the guide cambered surface 521 or the guide inclined surface helps the insulation ribs 52 to be inserted into the insulation grooves 51, so that the assembly efficiency is improved.

Further, a first buckling interface 61 is arranged at the bottom of the side wall of the plug housing 1, a first back-off block 62 extends corresponding to the first buckling interface 61, and the terminal seat 2 is buckled and fixed in the plug cavity 11 with the first buckling interface 61 through the first back-off block 62; the extension boss 23 lateral wall bottom is provided with the second and detains interface 63, the upper cover 3 inner wall bottom corresponds second and detains interface 63 extension and have the second back-off piece 64, upper cover 3 is fixed on extension boss 23 through second back-off piece 64 and the lock of second knot interface 63, connects simply, swiftly, firmly and stably, can save fastener fixed mode, saves the cost, improves assembly efficiency.

Further, the socket further comprises a socket shell 7 with an opening at one side and a hollow interior, wherein a plurality of electric pins 71 are arranged in the socket shell 7 corresponding to the conductive elastic sheets 22, a first fool-proof groove 81 is arranged on the inner side wall of the socket shell 7, and a first fool-proof protrusion 82 which is in sliding connection with the first fool-proof groove 81 and moves upwards is arranged on the outer side wall of the plug shell 1 corresponding to the first fool-proof groove 81; the plug shell 1 is provided with a second foolproof groove 83 on the inner side wall, and a second foolproof protrusion 84 which is connected with the second foolproof groove 83 in a sliding way in an upward moving way is arranged on the terminal seat 2 corresponding to the second foolproof groove 83, so that the reverse insertion or misplug of the connector is effectively avoided, and the safety is improved.

Specifically, the waterproof hole 41 is a dividing crack engraved on the waterproof silicone sheet 4, the penetrated portion of the waterproof silicone sheet 4 is dispersed into a multi-flap lip along the dividing crack when the electric pin 71 passes through the waterproof silicone sheet 4, and the multi-flap lip can be restored into a planar splice shape along the dividing crack when the electric pin 71 is pulled away from the waterproof silicone sheet 4.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a high connector of security, its characterized in that, includes plug shell (1) and terminal seat (2), be provided with bottom open-ended grafting chamber (11) in plug shell (1), terminal seat (2) are pegged graft in grafting chamber (11), matrix has arranged a plurality of vertical mounting groove (21) of setting on terminal seat (2), electrically conductive shell fragment (22) have been inserted in mounting groove (21), be provided with extension boss (23) on the top surface of plug shell (1), a plurality of second spliced eyes (231) have been seted up to corresponding electrically conductive shell fragment (22) on extension boss (23), extension boss (23) upper cover (3) close and are provided with upper cover (3), a plurality of first spliced eyes (31) have been seted up to corresponding electrically conductive shell fragment (22) on upper cover (3), be provided with waterproof silica gel piece (4) between upper cover (3) and extension boss (23), be suitable for electric pin (71) to insert and electrically connect waterproof hole (41) with electrically conductive shell fragment (22).

2. A high security connector according to claim 1, characterized in that the height of the extension boss (23) is 1-3mm.

3. The high-safety connector according to claim 1, wherein the waterproof silica gel sheet (4) is provided with a plurality of silica gel bosses (42) extending into the first plugging holes (31) and flush with the top surface of the first plugging holes (31), the waterproof holes (41) are correspondingly arranged on the silica gel bosses (42), and support bosses (232) for supporting the silica gel bosses (42) are upwardly extending along the outer wall of the second plugging holes (231).

4. The connector with high safety according to claim 1, wherein an insulation groove (51) is arranged between two adjacent installation grooves (21) on the terminal seat (2), an insulation rib (52) is arranged on the inner wall of the plugging cavity (11) corresponding to the insulation groove (51), and the insulation rib (52) is plugged in the insulation groove (51).

5. A high security connector according to claim 4, characterized in that the bottom of the insulating ribs (52) is provided with a guiding cambered surface (521) or guiding inclined surface.

6. The high-safety connector according to claim 1, wherein a first buckling interface (61) is arranged at the bottom of the side wall of the plug housing (1), a first back-off block (62) extends corresponding to the first buckling interface (61) of the terminal base (2), and the terminal base (2) is buckled and fixed in the plugging cavity (11) with the first buckling interface (61) through the first back-off block (62); the extension boss (23) lateral wall bottom is provided with second knot interface (63), upper cover (3) inner wall bottom corresponds second knot interface (63) and extends has second back-off piece (64), upper cover (3) are fixed on extension boss (23) through second back-off piece (64) and second knot interface (63) lock.

7. The high-safety connector according to claim 1, further comprising a socket housing (7) with an opening at one side and a hollow interior, wherein a plurality of electric pins (71) are arranged in the socket housing (7) corresponding to the conductive spring pieces (22), a first foolproof groove (81) is arranged on the inner side wall of the socket housing (7), and a first foolproof protrusion (82) which is in sliding connection with the first foolproof groove (81) in an upward manner is arranged on the outer side wall of the plug housing (1) corresponding to the first foolproof groove (81); the plug is characterized in that a second fool-proof groove (83) is formed in the inner side wall of the plug shell (1), and a second fool-proof protrusion (84) which is connected with the second fool-proof groove (83) in an upward sliding mode is arranged on the terminal seat (2) corresponding to the second fool-proof groove (83).

8. A high security connector according to claim 1, wherein the waterproof hole (41) is a split crack scored on the waterproof silicone sheet (4), the penetrated portion of the waterproof silicone sheet (4) is dispersed into a multi-flap lip along the split crack when the electrical pin (71) passes through the waterproof silicone sheet (4), and the multi-flap lip can be restored into a planar splice along the split crack when the electrical pin (71) is pulled away from the waterproof silicone sheet (4).