CN203932421U - The contact assembly of explosion proof plug device - Google Patents

Abstract

The contact assembly technical scheme of the explosion proof plug device that the utility model provides is: comprise the moving cover of the quiet cover of insulation and insulation, the static assembling of quiet cover of insulating, the moving cover of insulation rotates assembling relative to the quiet cover of insulation, the quiet static contact component that is arranged with insulate, the moving moving contact component that is arranged with of insulation, static contact component comprises fixed contact pedestal, fixed contact sheet and fixed contact, fixed contact sheet and fixed contact pedestal riveted joint assembling, the fixing assembling of fixed contact and fixed contact sheet.The contact assembly of the explosion proof plug device that the utility model provides, fixed contact sheet in static contact component and fixed contact pedestal are improved to the fixing mode of riveted joint to be assembled, overcome fixed contact sheet in the time of the fixed contact pressurized of its one end, because himself laminated structure is brought elastic force, the collapse gradually that the one end fixing with fixed contact pedestal causes because of this elastic force, by bringing the fixing Assembly stability that improves fixed contact sheet and fixed contact pedestal of riveted joint of the dynamics of assembling more by force, and increase the service life on this basis.

Description

The contact assembly of explosion proof plug device

Technical field

The utility model relates to a kind of explosion proof plug device, relates in particular to contact assembly wherein.

Background technology

Explosion proof plug device claims again explosion-proof latch, it is the special control appliance that various Different high risk sites use, it is to use the place that dangerous gas occurs around, be used for controlling the product of electric wiring, shell adopts alloy compacting to form, the inside electric elements are all taked technological processing for explosion protection feature, and seal all electric components that can produce electric spark, and it and extraneous hazardous gas are completely cut off.Explosion proof plug device is made up of plug and socket two parts, and socket is connected in mains side, and plug is connected in electric equipment side, and wherein socket has contact assembly, realizes circuit turn-on by the separation controlled or the contact of the dynamic/static contact assembly in contact assembly.Because static contact component is as the pressure part of moving contact component, after being repeatedly hit, there is the hidden danger that easily distortion comes off.

Summary of the invention

The utility model provides the contact assembly of explosion proof plug device, can improve the wherein assembling intensity of static contact component.

The contact assembly technical scheme of the explosion proof plug device that the utility model provides is: comprise the moving cover of the quiet cover of insulation and insulation, the static assembling of quiet cover of insulating, the moving cover of insulation rotates assembling relative to the quiet cover of insulation, the quiet static contact component that is arranged with insulate, the moving moving contact component that is arranged with of insulation, static contact component comprises fixed contact pedestal, fixed contact sheet and fixed contact, fixed contact sheet and fixed contact pedestal riveted joint assembling, the fixing assembling of fixed contact and fixed contact sheet.

The contact assembly of the explosion proof plug device that the utility model provides, fixed contact sheet in static contact component and fixed contact pedestal are improved to the fixing mode of riveted joint to be assembled, overcome fixed contact sheet in the time of the fixed contact pressurized of its one end, because himself laminated structure is brought elastic force, the collapse gradually that the one end fixing with fixed contact pedestal causes because of this elastic force, by bringing the fixing Assembly stability that improves fixed contact sheet and fixed contact pedestal of riveted joint of the dynamics of assembling more by force, and increase the service life on this basis.

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Brief description of the drawings

Fig. 1 is the integral installation figure of the contact assembly embodiment of explosion proof plug device.

Fig. 2 is the integral installation figure of the moving cover of insulation and the quiet cover that insulate.

Fig. 3 is the STRUCTURE DECOMPOSITION figure of the moving cover of insulation and the quiet cover that insulate.

Fig. 4 is the structure chart of the quiet cover of insulation.

Fig. 5 is one of structure chart of the moving cover of insulation.

Fig. 6 is two of the moving structure chart overlapping of insulation.

Fig. 7 is three of the moving structure chart overlapping of insulation.

Fig. 8 is the structure chart of static contact component.

Fig. 9 is the structure chart of fixed contact pedestal in static contact component.

Embodiment

The contact assembly embodiment of the explosion proof plug device shown in Fig. 1, Fig. 2, Fig. 8, Fig. 9, comprise plug 1 and socket 2, plug 1 has pin 100, and socket 2 comprises the quiet cover 3 of insulation and the moving cover 4 of insulation, the static assembling of quiet cover 3 of insulating, the moving cover 4 of the insulation quiet cover 3 that relatively insulate rotates assembling.The so-called static assembling of the present embodiment refers to that insulation stationary seat 3 is fixedly mounted among socket 2.The rotating assembling relative to socket 2 and referring to that the moving cover 4 of insulation is installed in rotation in socket 2 of the moving cover 4 of insulation, its rotational motion is ordered about by plug 1, driven as plug 1, under ordinary state, insulation is moving overlaps 4 and is arranged in socket 2 in static state of awaiting orders.The quiet cover 3 that insulate is provided with static contact component 7, the moving cover 4 of insulation is provided with moving contact component 6, moving contact component 6 and static contact component 7 are rotatably assorted, aforesaid moving contact component 6 and static contact component 7 are rotatably assorted and have two kinds of implications depending on its concrete structure: the one, and both are fixedly mounted on respectively among the moving cover 4 of insulation and the quiet cover 3 of insulation, therefore both have the armed state being separated, in the time that plug 1 insertion drives moving cover 4 rotation of insulation, moving contact component 6 rotates thereupon until the operating state of conflict static contact component 7 in circuit turn-on, otherwise open circuit is got back to armed state, second be that both conflict all the time, the rotation of the moving cover 4 of insulation can not cause both to disconnect.No matter, under which kind of situation, the first structure is necessary, but the second structure can select to be suitable for, it is all the cooperation based on the first structure that the alleged dynamic/static contact assembly 6,7 in the present embodiment is rotatably assorted.Described static contact component 7 comprises fixed contact pedestal e1, fixed contact sheet e2 and fixed contact e3, fixed contact sheet e2 and fixed contact pedestal e1 riveted joint assembling, the fixing assembling of fixed contact e3 and fixed contact sheet e2.Can bring static contact component 7 a little pressurized deformation by fixed contact sheet e2 is set, make both conflicts tightr, fixed contact sheet e2 is fixedly assemblied in fixed contact pedestal e1 by riveting method simultaneously, can improve the reliability of assembling, prevents empty touching.Fixed contact e3 can assemble with fixed contact sheet e2 is fixing in several ways, can be riveted joint, can be also welding, certainly taking riveted joint as good.

Shown in Fig. 8 and Fig. 9, on aforementioned basis, strengthen the needs of pressurized conflict compactness and assembly reliability for continuation, the fixed contact pedestal e1 of the present embodiment is integrally formed, it comprises fixed contact pedestal protuberance e11, fixed contact pedestal protuberance e11 has the riveted joint plane e12 arranging towards side, riveted joint plane e12 is provided with riveting column e13, fixed contact sheet e2 thickness equates, fixed contact sheet e2 comprises riveted joint end e21, riveted joint end e21 is provided with riveted holes e22, riveting column e13 riveted joint assembling riveted holes e22, riveted joint end e21 covers assembling riveted joint plane e12.

Moving contact component 6 shown in Fig. 3 comprises movable contact block f1 and moving contact f2, the fixing assembling of moving contact f2 and movable contact block f1.Moving contact component 6 makes assembling reliable by two terse parts, reduces virtual connection hidden danger.

Shown in Fig. 1, Fig. 2 and Fig. 3, moving contact component 6 comprises the connection-peg g1 with movable contact block f1 conducting, and connection-peg g1 comprises at least two support lobe g11, between described support lobe g11, has gap g12.In the time that the pin 100 of plug 1 inserts connection-peg g1, multi-disc support lobe g11 outwards strut can improve itself and pin 11 fit tightly and produce good feel.

The quiet cover 3 of insulation shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 is provided with cavity 300, edge stationary ring 301 and edge stationary ring and lacks 302, the moving cover 4 of described insulation is provided with projection 400, edge rotating ring 401 and edge rotating ring and lacks 402, projection 400 is assemblied in cavity 300, edge stationary ring 301 is assemblied in edge rotating ring and lacks in 402, edge rotating ring 401 is assemblied in edge stationary ring and lacks in 302, static contact component 7 and the fixing assembling of cavity 300, moving contact component 6 and the fixing assembling of projection 400.Projection 400, edge stationary ring 301, edge rotating ring 401 along with the moving cover 4 of insulation rotate and lack 402 at cavity 300, edge rotating ring respectively, edge stationary ring lacks 302 and rotates, until inconsistent, moving contact component 6 conflict static contact components 7 simultaneously.There is the effect of just right rotation feel and raising sealed insulation.

Projection 400 shown in Fig. 5, Fig. 6, Fig. 7 has the projection cavity 400a of the single moving contact component 6 of assembling and single static contact component 7, and projection cavity 400a has the heat dissipation channel 400b that connects projection 400 sidewalls.Although projection cavity 400a is arranged among projection 400, but in the time that projection 400 is assemblied in cavity 300, static contact component 7 and its corresponding moving contact component 6 can be contained among same projection cavity 400a, also have the gap of cooperation between dynamic/static contact assembly 6,7 simultaneously.The number of projection cavity 400a is decided by dynamic/static contact assembly 6,7, in the present embodiment, owing to being the dynamic/static contact assembly 6,7 that needs two pairs of cooperations, can say that so the present embodiment is just set as two projection cavity 400a.Make to need the dynamic/static contact unit coordinating to obtain the separate space that belongs to it by projection cavity 400a, improved undoubtedly fail safe, and dispelled the heat by opening to the heat dissipation channel 400b of projection 400 sidewalls.

Cavity 300 sidewalls shown in Fig. 3, Fig. 5, Fig. 6, Fig. 7 are provided with at least two deep-slotted chip breaker 300a, and projection 400 sidewalls are provided with hole 400c and are assemblied in the spring 400d in the 400c of hole, between spring 400d and deep-slotted chip breaker 300a, assemble steel ball 400e.Under ordinary state, steel ball 400e conflicts between deep-slotted chip breaker 300a and spring 400d, while rotating moving contact component 6, steel ball 400e is through the effect of first deep-slotted chip breaker 300a, inside Compress Spring 400d is hole 400c until steel ball 400e retracts completely, until enter second deep-slotted chip breaker 300a, steel ball 400e is released, distance between two deep-slotted chip breaker 300a of spaced furthest depends on 6 revolvable angles of moving contact component, can be brought the clear feel of rotation and can conveniently be controlled the position of moving contact component 6 by said structure.

Claims (8)

1. the contact assembly of explosion proof plug device, comprise the quiet cover of insulation (3) and the moving cover of insulation (4), the static assembling of quiet cover (3) of insulating, the moving cover of insulation (4) rotates assembling relative to the quiet cover (3) that insulate, the quiet cover (3) that insulate is provided with static contact component (7), the moving cover of insulation (4) is provided with moving contact component (6), it is characterized in that: described static contact component (7) comprises fixed contact pedestal (e1), fixed contact sheet (e2) and fixed contact (e3), fixed contact sheet (e2) and fixed contact pedestal (e1) riveted joint assembling, fixed contact (e3) and the fixing assembling of fixed contact sheet (e2).

2. the contact assembly of explosion proof plug device according to claim 1, it is characterized in that: (e1) is integrally formed for fixed contact pedestal, it comprises fixed contact pedestal protuberance (e11), fixed contact pedestal protuberance (e11) has the riveted joint plane (e12) arranging towards side, riveted joint plane (e12) is provided with riveting column (e13), fixed contact sheet (e2) thickness equates, fixed contact sheet (e2) comprises riveted joint end (e21), riveted joint end (e21) is provided with riveted holes (e22), riveting column (e13) riveted joint assembling riveted holes (e22), riveted joint end (e21) covers assembling riveted joint plane (e12).

3. the contact assembly of explosion proof plug device according to claim 1 and 2, it is characterized in that: moving contact component (6) comprises movable contact block (f1) and moving contact (f2) moving contact (f2) and the fixing assembling of movable contact block (f1).

4. the contact assembly of explosion proof plug device according to claim 3, it is characterized in that: moving contact component (6) comprises the connection-peg (g1) with movable contact block (f1) conducting, connection-peg (g1) comprises at least two support lobes (g11), has gap (g12) between described support lobe (g11).

5. the contact assembly of explosion proof plug device according to claim 1 and 2, it is characterized in that: the quiet cover of described insulation (3) is provided with cavity (300), edge stationary ring (301) and edge stationary ring lack (302), the moving cover of described insulation (4) is provided with projection (400), edge rotating ring (401) and edge rotating ring lack (402), projection (400) is assemblied in cavity (300), edge stationary ring (301) is assemblied in edge rotating ring and lacks in (402), edge rotating ring (401) is assemblied in edge stationary ring and lacks in (302), static contact component (7) and the fixing assembling of cavity (300), moving contact component (6) and the fixing assembling of projection (400).

6. the contact assembly of explosion proof plug device according to claim 5, it is characterized in that: projection (400) has the projection cavity (400a) of the single moving contact component of assembling (6) and single static contact component (7), and projection cavity (400a) has the heat dissipation channel (400b) of perforation projection (400) sidewall.

7. the contact assembly of explosion proof plug device according to claim 5, it is characterized in that: described cavity (300) sidewall is provided with at least two deep-slotted chip breakers (300a), projection (400) sidewall is provided with hole (400c) and is assemblied in the spring (400d) in hole (400c), between spring (400d) and deep-slotted chip breaker (300a), assembles steel ball (400e).

8. the contact assembly of explosion proof plug device according to claim 6, it is characterized in that: described cavity (300) sidewall is provided with at least two deep-slotted chip breakers (300a), projection (400) sidewall is provided with hole (400c) and is assemblied in the spring (400d) in hole (400c), between spring (400d) and deep-slotted chip breaker (300a), assembles steel ball (400e).