CN213459532U

CN213459532U - Double mode switch box

Info

Publication number: CN213459532U
Application number: CN202022364413.1U
Authority: CN
Inventors: 王凯; 苏峻; 镡金龙; 司马新
Original assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Current assignee: AVIC Shenyang Xinghua Aero Electrical Appliance Co Ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-06-15
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to the technical field of aerospace, a dual-mode switch box, which comprises a shell, an installation panel, an installation bottom plate, a crank link mechanism, a switch box component, a first electric connector, a second electric connector and a lead, wherein the installation bottom plate is sequentially fixed with the first electric connector, the switch box component and the second electric connector from left to right, the shell is vertically fixed on the top surface of the installation bottom plate, the shell is internally provided with a cavity, the edge of the bottom of the shell is flush with the edge of the top surface of the installation bottom plate, the installation panel is vertically fixed at the top of the shell, the center of the installation panel is provided with an opening for the movement of the crank link mechanism, the middle section of the crank link mechanism is rotatably connected in the opening through a rivet, the tail end of the crank link mechanism is connected with the switch box component, the crank link mechanism is provided with a first lug, the installation panel is provided with a second lug, the utility model has the advantages of small volume, false action prevention, etc.

Description

Double mode switch box

Technical Field

The utility model relates to an aerospace technical field, concretely relates to double mode switch box.

Background

The existing switch boxes almost all adopt electronic components, micro switches or combined circuits to realize the switching function of the product states, in the field of aviation lifesaving, under severe impact, overload voltage and high-temperature environments, electronic products such as the electronic components are easy to be damaged biologically and structurally, the product performance is fluctuated or even loses efficacy, the electronic components are greatly influenced by the electromagnetic environment, the overall service life of the product is shortened, and the reliability of the lifesaving products is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a dual mode switch box, it has small, the reliability is high, prevent the advantage of maloperation.

In order to achieve the above object, the utility model adopts the following technical scheme:

a dual-mode switch box comprises a shell, an installation panel, an installation bottom plate, a crank link mechanism, a switch box assembly, a first electric connector, a second electric connector and a wire, wherein the installation bottom plate is sequentially fixed with the first electric connector, the switch box assembly and the second electric connector from left to right, the shell is vertically fixed on the top surface of the installation bottom plate, a cavity is arranged inside the shell, the edge of the bottom of the shell is flush with the edge of the top surface of the installation bottom plate, the installation panel is vertically fixed at the top of the shell, the center of the installation panel is provided with an opening for the crank link mechanism to move, the middle section of the crank link mechanism is rotatably connected in the opening through a rivet, the tail end of the crank link mechanism is connected with the switch assembly, the crank link mechanism is provided with a first lug, the installation panel is provided with a second lug for limiting the position of the first, the crank link mechanism is used for controlling the switch box assembly to switch the working states of the first electric connector and the second electric connector, and the switch box assembly is respectively electrically connected with the first electric connector and the second electric connector through wires.

Preferably, the crank link mechanism comprises a handle, a nut, a spring, a fixed sleeve, a connecting rod, a lever, an ejector rod and a circular ring, wherein the fixed sleeve is installed at the upper end of the connecting rod through the nut, the spring is installed in the fixed sleeve, the handle is in threaded connection with the fixed sleeve, the lower end of the connecting rod is in riveted connection with the upper end of the lever, the lower end of the lever is movably connected with the upper end of the ejector rod, a guide limiting sliding groove is formed in the lever, the upper end of the ejector rod is connected with the guide limiting sliding groove of the lever through a connecting piece, the spring is sleeved on the.

Preferably, the second projection is located on the fixing sleeve, and the abutting ends of the first projection and the second projection respectively have an inclined surface.

Preferably, the switch box subassembly includes switch box body, lug piece subassembly, axle, rotor subassembly and hexagon nut, the rotor subassembly is installed epaxially, hexagon nut is fixed with switch box body spiro union, the lug piece subassembly passes through the mounting screw on the switch box body, the rotor subassembly includes insulating rotor and switches on the contact piece.

Preferably, the installation bottom plate is provided with a wire groove for the wire to penetrate through, and the wire groove is filled with pouring sealant after the wire is laid.

Preferably, a light guide plate is further fixed to the mounting panel.

Use the utility model discloses a beneficial effect is: the utility model has the advantages that the spring is arranged in the handle and the fixed sleeve, the first lug on the fixed sleeve is matched with the second lug on the mounting panel to limit the position of the handle, so that the handle can be lifted to drive the first lug and the second lug on the fixed sleeve to be staggered and then move the handrail to change gears when needed, and the switch box has good misoperation prevention performance; the utility model has compact internal structure, small volume and high reliability; the installation bottom plate is provided with the wire grooves, so that the internal cables are simply wired, and the pouring sealant is filled after the wires are wired in the wire grooves, thereby improving the safety performance and the anti-electromagnetic environment interference capability of the utility model; the guide limiting sliding chute is arranged to control the moving range and the guide of the crank connecting rod mechanism, so that the limiting effect is achieved when the lever is tangent to the ejector rod; do through setting up the light guide plate the utility model provides a lighting display also can distinguish operating condition according to luminous colour.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of an assembly structure of the crank link mechanism and the switch box assembly of the present invention;

FIG. 5 is a schematic structural view of the switch box assembly of the present invention;

the reference numerals include:

1-shell, 2-installation panel, 21-second bump, 3-installation bottom plate, 4-crank link mechanism, 41-handle, 42-fixing sleeve, 421-first bump, 43-connecting rod, 44-lever, 441-guide limiting chute, 45-ejector rod, 46-ring, 5-switch box component, 51-switch box body, 52-wiring board component, 53-shaft, 54-rotor component, 55-hexagon nut, 6-first electric connector and 7-second electric connector.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-5, a dual mode switch box comprises a housing 1, a mounting panel 2, a mounting base plate 3, a crank link mechanism 4, a switch box assembly 5, a first electrical connector 6, a second electrical connector 7 and wires, wherein the mounting base plate 3 is sequentially fixed with the first electrical connector 6, the switch box assembly 5 and the second electrical connector 7 from left to right, the housing 1 is vertically fixed on the top surface of the mounting base plate 3, a cavity is arranged inside the housing 1, the bottom edge of the housing 1 is flush with the edge of the top surface of the mounting base plate 3, the mounting panel 2 is vertically fixed on the top of the housing 1, an opening for the crank link mechanism 4 to move is arranged in the center of the mounting panel 2, the middle section of the crank link mechanism 4 is rotatably connected in the opening through a rivet, and the tail end of the crank link mechanism 4 is connected with the switch box assembly 5, the crank link mechanism 4 is provided with a first bump 421, the mounting panel 2 is provided with a second bump 21 for limiting the position of the first bump 421, the crank link 43 mechanism 4 is used for controlling the switch box assembly 5 to switch the working state of the first electric connector 6 and the second electric connector 7, and the switch box assembly 5 is respectively electrically connected with the first electric connector 6 and the second electric connector 7 through wires.

Crank link mechanism 4 includes handle 41, nut, spring, fixed cover 42, connecting rod 43, lever 44, ejector pin 45 and ring 46, fixed cover 42 passes through the nut and installs in connecting rod 43 upper end, the spring is equipped with in the fixed cover 42, handle 41 and fixed cover 42 threaded connection, the upper end rivet connection of connecting rod 43 lower extreme and lever 44, lever 44 lower extreme and ejector pin 45 upper end swing joint, be equipped with direction spacing spout 441 on the lever 44, the ejector pin 45 upper end is connected with the direction spacing spout 441 of lever 44 through the connecting piece, and when lever 44 moved, ejector pin 45 can remove along direction spacing spout 441, the cover is equipped with the spring on the ejector pin 45 middle section, and ejector pin 45 bottom is fixed with ring 46.

The push rod 45 penetrates through the spring and the shaft 53, then the ring 46 and the shaft 53 are riveted together to form a movable rod which can freely extend and contract and rotate, the connecting rod 43 and the lever 44 are riveted together through a rivet, and then the connecting rod and the installation panel 2 are riveted and fixed to form a fixed rod which can freely rotate. The movable rod and the fixed rod are riveted together, the movable rod takes the shaft 53 as the center of a circle, the fixed rod takes the riveting fixed point with the installation panel 2 as the center of a circle, two intersecting circles are formed, and the two intersecting points are the limit structure points.

Then the fixing sleeve 42 is installed on the connecting rod 43, the spring is placed in the fixing sleeve 42 and connected with the threaded head of the connecting rod 43 through the nut, and finally the handle 41 is connected with the fixing sleeve 42 in a threaded mode to complete installation of the whole crank-connecting rod mechanism.

The second projection 21 is located on the fixing sleeve 42, and the abutting ends of the first projection 421 and the second projection 21 respectively have an inclined surface. When the handle 41 is pulled, the fixing sleeve 42 is driven to lift together, and the pulling can be completed only when the two opposite inclined surfaces of the first lug 421 and the second lug 21 are staggered.

The switch box assembly 5 comprises a switch box body 51, a wiring piece assembly 52, a shaft 53, a rotor assembly 54 and a hexagon nut 55, wherein the rotor assembly 54 is installed on the shaft 53, the hexagon nut 55 is fixed with the switch box body 51 in a threaded mode, the wiring piece assembly 52 is installed on the switch box body 51 through screws, and the rotor assembly 54 comprises an insulating rotor and a conducting contact piece. Install rotor subassembly 54 on axle 53 from hexagon nut 55 one side pack into inside switch box 51, it is fixed with hexagon nut 55 and switch box 51 spiro union, pass through the fix with screw with switch box 51 and mounting plate 3 again, install lug plate subassembly 52 on switch box 51 through the screw at last, rotor subassembly 54 material itself is insulating material, there is the conduction contact piece on the rotor, the lug overlap joint of both sides forms the conducting structure on the conduction contact piece, the switching back of dual mode switch box operating condition, the lug overlap joint forms the off-state on rotor insulating material.

The mounting bottom plate 3 is provided with a wire groove for the wire to penetrate through, and the wire groove is filled with pouring sealant after the wire is laid. Install first electric connector 6 and second electric connector 7 on mounting plate 3, install switch box subassembly 5 on mounting plate 3 in advance again, according to the wiring relation, arrange the wire in the wire casing of mounting plate 3 in advance, use silicon rubber to fill the embedment protection, lay switch box subassembly 5 again on mounting plate 3 and press the wire that will arrange well under switch box subassembly 5, this kind of structure can be effectual arrange wire and mechanical structure layering, avoid the risk of interfering mutually.

A light guide plate is also fixed to the mounting panel 2. Install the light guide plate to installation panel 2 on, fix through the screw at the light guide plate back, guarantee light guide plate surface finish, no screw hole, the light guide plate does the utility model provides a lighting display also can distinguish operating condition according to luminous colour.

The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.

Claims

1. A dual mode switch box characterized by: comprises a shell (1), an installation panel (2), an installation bottom plate (3), a crank link mechanism (4), a switch box assembly (5), a first electric connector (6), a second electric connector (7) and a wire, wherein the installation bottom plate (3) is sequentially fixed with the first electric connector (6), the switch box assembly (5) and the second electric connector (7) from left to right, the shell (1) is vertically fixed on the top surface of the installation bottom plate (3), a cavity is arranged inside the shell (1), the bottom edge of the shell (1) is flushed with the edge of the top surface of the installation bottom plate (3), the installation panel (2) is vertically fixed at the top of the shell (1), the center of the installation panel (2) is provided with an opening for the crank link mechanism (4) to move, the middle section of the crank link mechanism (4) is connected in the opening through a rivet in a rotatable manner, crank link mechanism (4) is terminal to be connected with switch box subassembly (5), first lug (421) have on crank link mechanism (4), second lug (21) that have first lug of restriction (421) position on mounting panel (2), crank link (43) mechanism (4) are used for controlling switch box subassembly (5) to switch the operating condition of first electric connector (6) and second electric connector (7), switch box subassembly (5) pass through the wire respectively with first electric connector (6) and second electric connector (7) electric connection.

2. A dual mode switch box as defined in claim 1, wherein: crank link mechanism (4) include handle (41), nut, spring, fixed cover (42), connecting rod (43), lever (44), ejector pin (45) and ring (46), fixed cover (42) are installed in connecting rod (43) upper end through the nut, the spring is equipped with in fixed cover (42), handle (41) and fixed cover (42) threaded connection, the upper end rivet connection of connecting rod (43) lower extreme and lever (44), lever (44) lower extreme and ejector pin (45) upper end swing joint, be equipped with direction spacing spout (441) on lever (44), ejector pin (45) upper end is connected through connecting piece and the direction spacing spout (441) of lever (44), the cover is equipped with the spring on ejector pin (45) middle section, and ejector pin (45) bottom is fixed with ring (46).

3. A dual mode switch box as defined in claim 2, wherein: the second lug (21) is positioned on the fixing sleeve (42), and the butt ends of the first lug (421) and the second lug (21) are respectively provided with an inclined surface.

4. A dual mode switch box as defined in claim 1, wherein: switch box subassembly (5) are including switch box body (51), lug piece subassembly (52), axle (53), rotor subassembly (54) and hexagon nut (55), rotor subassembly (54) are installed on axle (53), hexagon nut (55) are fixed with switch box body (51) spiro union, lug piece subassembly (52) are installed on switch box body (51) through the screw, rotor subassembly (54) are including insulating rotor and the contact piece that switches on.

5. A dual mode switch box as defined in claim 1, wherein: the mounting bottom plate (3) is provided with a wire groove for the wire to penetrate through, and the wire groove is filled with pouring sealant after the wire is laid.

6. A dual mode switch box as defined in claim 1, wherein: and a light guide plate is also fixed on the mounting panel (2).