CN113471007A - Quick multi-knife switch - Google Patents

Abstract

The invention discloses a quick multi-knife switch, comprising: a rotating trigger assembly; the conduction trigger assembly is driven to rotate by the rotating trigger assembly; the PCB is provided with a coded disc and at least one output end, the coded disc is divided into a plurality of areas, each area is provided with a common end and a conductive area corresponding to the common end, and the conductive area is provided with a plurality of spaced conductive contacts; a plurality of output end points are arranged on the output end, and the common ends and the conductive contacts on the plurality of areas are respectively and correspondingly electrically connected with the output end points one by one through leads; and the common terminal on each area is triggered to be conducted with the conductive contact by the conduction triggering component. The quick multi-knife switch provided by the invention can output a plurality of groups of specific signals, and various requirements of customers are met; small, the mounting means is various, and simple to operate is swift, and the precision is high, and the error is little, dismantles convenient and fast, and the degree of difficulty is little, labour saving and time saving, the change of the switch product of being convenient for, on the specially adapted rail transit shield door.

Description

Quick multi-knife switch

Technical Field

The invention relates to a multi-knife switch, in particular to a quick multi-knife switch.

Background

The universal switch can be selected for controlling the rail transit shielding door. Although the universal switch can simultaneously output a group of specific signals, the conventional universal switch is large in size and cannot be well adapted to the problem of narrow installation space of the shielded door, and the universal switch can be connected with a control circuit board of the shielded door only by installing a patch plug.

To sum up, the switch product adopted for controlling the rail transit shield door needs to meet the following requirements:

(1) the shield door is small in installation space, and the size of a product to be opened and closed is small;

(2) the shielding door is required to be precise in control, and the installation precision of the product to be opened and closed is high;

(3) the field maintenance needs to be fast and convenient, the installation is convenient, and the switch product is required to be installed and detached conveniently and quickly.

However, the existing universal switch has the following defects:

(1) the volume is large, and the space required by installation is large;

(2) during installation, a plurality of pins are required to be welded on the PCB, and the welding is complex and troublesome, the difficulty is high, the precision error is large, and the consumed time is long;

(3) when the switch product is broken, the product is welded on the PCB board through a plurality of pins, so that the disassembly difficulty is high, and the switch product is inconvenient to replace.

Therefore, the conventional universal switch cannot meet the control of the rail transit screen door.

Disclosure of Invention

In view of the above disadvantages, the present invention provides a fast multi-blade switch, which can output multiple groups of different specific signals, facilitate multiple operation controls during field maintenance and debugging of a rail transit screen door, and meet multiple requirements of customers; simultaneously, it is small, the required space of installation is little, and the mounting means is various, and simple to operate is swift, and the installation accuracy is high, and the error is little, dismantles also convenient and fast moreover, and the degree of difficulty is little, labour saving and time saving, the change of the switch product of being convenient for. Therefore, the multi-blade switch product meets the requirements of narrow installation space, precise control requirement, quick and convenient field maintenance requirement, convenient installation and the like of the rail transit shield door.

The technical scheme adopted by the invention to achieve the aim is as follows:

the utility model provides a swift type multitool switch, includes a multitool switch body, its characterized in that, this multitool switch body includes:

a rotating trigger assembly;

the conduction trigger assembly is driven to rotate by the rotating trigger assembly;

the PCB board is provided with a coded disc and at least one output end, the coded disc is divided into a plurality of areas, each area is provided with a common end and a conductive area corresponding to the common end, and the conductive area is provided with a plurality of spaced conductive contacts; the output end is provided with a plurality of output end points, and the public ends and the conductive contacts on the plurality of areas are respectively and correspondingly electrically connected with the output end points one by one through a lead; and the common terminal on each area is triggered to be conducted with the conductive contact by the conduction triggering component.

As a further improvement of the present invention, the common end is arc-shaped, the plurality of conductive contacts on the conductive area are distributed outside the common end in a fan shape, the common end of the plurality of areas surrounds to form an inner circle, and the conductive area of the plurality of areas surrounds to form an outer circle.

As a further improvement of the invention, the conduction trigger assembly comprises a rotating disc connected with the rotation trigger assembly and a plurality of conduction elastic sheets arranged on the rotating disc and contacted with the code disc.

As a further improvement of the present invention, the conducting elastic piece mainly comprises a connecting block disposed on the rotary disc, and a first conducting elastic arm and a second conducting elastic arm which are respectively connected to the connecting block and extend obliquely toward the direction of the code disc, wherein a conducting contact is respectively formed at the end portions of the first conducting elastic arm and the second conducting elastic arm, the conducting contact of the first conducting elastic arm is in sliding contact with the conducting region of the outer circle, and the conducting contact of the second conducting elastic arm is in sliding contact with the common end of the inner circle.

As a further improvement of the invention, the rotation triggering assembly comprises a driving shaft and a switch handle connected to the upper end of the driving shaft, wherein the turntable is sleeved on the periphery of the driving shaft.

As a further improvement of the invention, the code wheel is divided into six areas, namely an area A, an area B, an area C, an area D, an area E and an area F, and four conductive contacts are arranged on a conductive area of each area; the number of the output ends is two, and the two output ends are oppositely arranged on the two side ends of the PCB.

As a further improvement of the invention, a plurality of jacks which are in one-to-one correspondence with the output end points are arranged on the output end.

As a further improvement of the present invention, a pin group is inserted into the output terminal, and the pin group is composed of a plurality of pins inserted into the jack, and the plurality of pins are welded on the output terminal.

As a further improvement of the invention, the multi-pole switch body is provided with a mounting and positioning structure which is formed by combining a plurality of studs and nuts or a plurality of brackets.

As a further improvement of the invention, a silk-screen panel is arranged on the multi-blade switch body.

The invention has the beneficial effects that:

(1) through code wheel and the output that will have special design directly set up on the PCB board to combine the rotation that has special structural design to trigger the subassembly and switch on the trigger subassembly, can trigger the specific signal of output multiunit difference, be used for controlling multiple part, realize multiple functions, can satisfy customer's multiple demand, be convenient for carry out the multiple operation control when the field maintenance debugging to track traffic shield door.

(2) Through the code wheel that will have special structural design and the output directly set up on the PCB board, overall structure design is simple, the technology is realized easily, producibility and compatibility are stronger, when the installation, can be according to on-the-spot actual demand welding contact pin or butt joint socket, balanced the installation is on equipment (track traffic shield door) control panel, the direct control target, for adopting the mounting means of a plurality of welding foot lug beadings on the control panel, the mounting means is various, and simple to operate is swift, the installation accuracy is high, the error is little, and dismantle also convenient and fast, the degree of difficulty is little, time saving and labor saving, the change of the switch product of being convenient for. Therefore, the multi-blade switch product meets the requirements of high precision, quick and convenient field maintenance and convenient installation of the rail transit shielding door.

(3) Because the code wheel and the output end with special structural design are directly arranged on the PCB, the whole height of the multi-blade switch body is less than 60mm, the width is less than 55mm, and compared with the existing switch product, the multi-blade switch is small in size, small in installation space, compact in structure, flexible to use, lower in requirements on installation reserved size and opening, and more suitable for changeable installation environment.

The above is an overview of the technical solutions of the present invention, and the present invention is further described below with reference to the accompanying drawings and the detailed description thereof.

Drawings

FIG. 1 is a schematic view of the external structure of a multi-pole switch body according to the present invention;

FIG. 2 is a cross-sectional view of the multi-pole switch body of the present invention;

FIG. 3 is a schematic structural view of a PCB board according to the present invention;

FIG. 4 is a schematic diagram of a backside structure of the conduction trigger device of the present invention;

FIG. 5 is a schematic structural view of a conduction trigger assembly disposed on a PCB board according to the present invention;

FIG. 6 is a schematic view of the multi-pole switch of the present invention with the body mounted on the docking socket;

fig. 7 is a schematic structural view of the multi-pole switch body of the present invention mounted on the main board through the mounting and positioning structure.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is provided with the accompanying drawings and the preferred embodiments.

Referring to fig. 1 to 3, an embodiment of the invention provides a shortcut multitool switch, including a multitool switch body 100, where the multitool switch body 100 includes:

a rotary trigger assembly 1;

a conduction trigger component 2 which is driven by the rotation trigger component 1 to rotate;

the PCB 3 is provided with a coded disc 31 and at least one output end 32, the coded disc 31 is divided into a plurality of areas, specifically, the coded disc of the embodiment is divided into six areas, namely an area A, an area B, an area C, an area D, an area E and an area F, each area is provided with a common end and a conductive area corresponding to the common end, a plurality of spaced conductive contacts are arranged on the conductive area, and specifically, four conductive contacts are arranged on the conductive area of each area of the embodiment. Specifically, the A region has a common end A0 and conductive contacts A1-A4, the B region has a common end B0 and conductive contacts B1-B4, the C region has a common end C0 and conductive contacts C1-C4, the D region has a common end D0 and conductive contacts D1-D4, the E region has a common end E0 and conductive contacts E1-E4, and the F region has a common end F0 and conductive contacts F1-F4. The output end 32 is provided with a plurality of output terminals, the common ends and the conductive contacts in the plurality of areas are electrically connected with the output terminals in a one-to-one correspondence manner through a conducting wire, specifically, the number of the output ends 32 in this embodiment is two, and the two output ends 32 are oppositely arranged on two side ends of the PCB 3. When the code wheel is divided into six areas, and four conductive contacts are arranged on the conductive area of each area, correspondingly, the common end and the conductive contacts of each area need 5 output ends to be correspondingly electrically connected, so that 30 output ends are needed in total, namely 30 output ends are needed to be correspondingly arranged on the output end 32.

As shown in fig. 3, the common terminal and the conductive contact in each area are connected to the same identified output terminal through a conductive wire (not shown). For example, common terminal a0 is connected to output terminal a0 by a wire, conductive contact a1 is connected to output terminal a1 by a wire, conductive contact a2 is connected to output terminal a2 by a wire, conductive contact A3 is connected to output terminal A3 by a wire, and conductive contact a4 is connected to output terminal a4 by a wire.

As known from the structural design of the code wheel 31 and the output end 32, a plurality of conductive contacts of the conductive area on each area correspond to a plurality of gears, that is, four conductive contacts correspond to four gears.

In the present embodiment, conduction is triggered between the common terminal and the conductive contact on each area by the conduction triggering assembly 2. When the conduction triggering assembly 2 triggers conduction between the common terminal and the conductive contact in each area, one of the gears in each area on the code wheel 31 can be triggered to be conducted simultaneously at the same time, for example, when the code wheel is divided into six areas, four gears are conducted simultaneously, that is, 6 signals can be output from the output terminal 32 at the same time for controlling 6 components to realize 6 functions. Meanwhile, the coded disc is provided with six areas, and the switch product is called a six-blade switch.

Of course, the number of regions on code wheel 31, the number of conductive contacts on each conductive region, and the number of output terminals 32 can be set according to specific needs, and the above examples are only for convenience of explanation.

In the present embodiment, as shown in fig. 3, the common end (a0, B0, C0, D0, E0, F0) is arc-shaped, and the common end is an independent structure, which is clear and clear; a plurality of conductive contacts (A1-A4, B1-B4, C1-C4, D1-D4, E1-E4 and F1-F4) on the conductive region are distributed at the outer side of the common end (A0, B0, C0, D0, E0 and F0) in a fan shape, the common end (A0, B0, C0, D0, E0 and F0) of a plurality of regions are surrounded to form an inner circle, and the conductive region of the plurality of regions is surrounded to form an outer circle.

In the present embodiment, as shown in fig. 2, 4 and 5, the conduction trigger assembly 2 includes a rotating disc 21 connected to the rotation trigger assembly 1, and a plurality of conduction resilient tabs 22 disposed on the rotating disc 21 and contacting the code disc 31. Specifically, the plurality of conducting elastic pieces 22 are annularly distributed on the lower end face of the turntable 21. When the rotation triggering assembly 1 drives the turntable 21 to rotate, the plurality of conducting elastic sheets 22 rotate, and the plurality of conducting elastic sheets 22 annularly slide on the coded disc 31, so that the conduction between the common end of each region on the coded disc 31 and different conducting contacts on the corresponding conducting region is triggered, that is, the conducting elastic sheets 22 play a role in electrically connecting the common end and the conducting contacts, and the conduction of different gears on each region is realized. Thus, each region may output a signal for controlling different components to perform different functions.

Specifically, as shown in fig. 4, the conducting elastic piece 22 mainly includes a connecting block 221 disposed on the rotary disc 21, and a first conducting elastic arm 222 and a second conducting elastic arm 223 connected to the connecting block 221 respectively and extending obliquely toward the direction of the code wheel 31, wherein a conducting contact (2221,2231) is formed at each end of the first conducting elastic arm 222 and the second conducting elastic arm 223, the conducting contact 2221 of the first conducting elastic arm 222 is in sliding contact with the outer circle conducting area, and the conducting contact 2231 of the second conducting elastic arm 223 is in sliding contact with the inner circle common end. In this embodiment, the connecting block 221 can be welded directly to the turntable 21. Specifically, as to the number of the conducting elastic pieces 22, when the code wheel is divided into six regions, the number of the corresponding conducting elastic pieces 22 is six. The six conducting elastic sheets 22 respectively control the conduction between the common ends of the six areas and different conducting contacts of the corresponding conducting areas.

When the conducting elastic sheet 22 slides on the code disc 31 in a ring shape, one conducting elastic sheet 22 slides on each area, as shown in fig. 5, the conducting contact 2221 of the first conducting elastic arm 222 slides on the conducting area of the outer circle, and the conducting contact 2231 of the second conducting elastic arm 223 slides on the common end of the inner circle, so that the conducting elastic sheet 22 triggers the conduction between the common end of each area and different conducting contacts on the corresponding conducting area, and when the conducting elastic sheet 22 rotates to a specified position, a specific set of signals can be output.

In the present embodiment, as shown in fig. 2, the rotation triggering assembly 1 includes a driving shaft 11 and a switch handle 12 connected to an upper end of the driving shaft 11, wherein the rotating disc 21 is sleeved on the periphery of the driving shaft 11. The switch handle 12 is rotated to drive the driving shaft 11 to rotate, so that the rotating disc 21 can be driven to rotate synchronously, and the conduction elastic sheet 22 is driven to slide on the coded disc 31 to output a plurality of groups of signals.

The PCB 3 provided by this embodiment has various combinations of output signals, and the total combination is 16777216, and can meet any requirements of customers, as shown in table 1.

TABLE 1

As can be seen from table 1, the output signal and the no-output signal, that is, there is a signal output and no signal output at the output terminal 32 of the PCB 3, and the no-signal output state can be realized by the following three ways:

(1) the conducting wire between the conducting contact and the output end point on the corresponding gear on the corresponding area is removed in advance, and no signal is output all the time;

(2) if the pins in the jacks 321 on the output end 32 are pulled out in advance, no signal is output all the time, and the output end at the position of the pulled pin is correspondingly connected with the conductive contact on the corresponding gear on the corresponding area through a wire.

(3) When the conductive contact 2221 of the first conductive arm 222 on the conductive elastic piece 22 slides to leave the conductive contact on the gear, the conductive contact on the gear is disconnected from the common terminal, and no signal is output.

Because PCB board 3 can export the specific signal of multiunit difference, can be used to control multiple part, realize multiple functions, can satisfy customer's multiple demand, be convenient for when carrying out the multiple operation control of field maintenance debugging to rail transit shield door, for example shield door opens, shield door closes, reports to the police etc..

In order to facilitate the installation of the multi-pole switch body 100, the present embodiment provides the following three structures, which implement three installation modes:

(1) a plurality of jacks 321 corresponding to the output terminals one to one are formed on the output terminal 32, as shown in fig. 3. From this, can directly insert the multitool switch body 100 and weld on the control panel in equipment (track traffic shield door), it is concrete, as long as have corresponding contact pin on the control panel insert in the jack 321 on the output 32 to the welding, make contact pin on the control panel and the output end point one-to-one on the output 32 be connected can.

(2) On the basis of the structure (1), as shown in fig. 1 and fig. 5, a pin group 33 is inserted into the output end 32, the pin group 33 is composed of a plurality of pins 331 inserted into the insertion holes 321, and the plurality of pins 331 are soldered to the output terminals. Meanwhile, the docking socket 201 is welded on the control board 200 in the device (rail transit screen door), and two output ends 32 are provided, so that the two docking sockets 201 are correspondingly arranged, as shown in fig. 6, when the device is installed, the pin group 33 of the multi-pole switch body 100 is directly plugged into the docking socket 201.

(3) The multi-pole switch body 100 is provided with a mounting and positioning structure 5, and the mounting and positioning structure 5 is formed by combining a plurality of studs 51 and nuts 52 or a plurality of brackets 53. The installation positioning structure 5 directly positions and installs the multi-blade switch body 100 in the equipment (rail transit screen door). Then lead from the output end 32 to the outside, and plug in the corresponding control panel through the plug interface. Of course, another installation mode may be implemented by combining the structure (2), and the multi-blade switch body 100 may be positioned, or the multi-blade switch body 100 may be plugged, as shown in fig. 7.

Known from the three structures and the installation modes of the (1) to (3), the multi-blade switch provided by the embodiment can be used for welding the contact pin or the butt joint socket according to the actual requirements on the site, and is arranged on the control board in a balanced manner to directly control the target. The mounting means is various, and simple to operate is swift, and the installation accuracy is high, and the error is little, dismantles also convenient and fast moreover, and the degree of difficulty is little, labour saving and time saving, the change of the switch product of being convenient for.

In this embodiment, a screen printing panel 6 is disposed on the multitool switch body 100, and can be selectively installed according to the use requirement. But silk screen printing scale or pattern etc. play the effect of marking and instructing on silk screen printing panel 6, be convenient for to the control of the turn range of switch handle 12 in trigger subassembly 1, also be convenient for control the debugging to the shield door.

In this embodiment, the overall height of the multi-blade switch body 100 is less than 60mm, the width is less than 55mm, the size is small, the space required by installation is small, the multi-blade switch is suitable for the narrow installation space of the shielding door, the structure is compact, and the application is more flexible. The requirement on the installation reserved size and the opening is lower, and the installation method can be more suitable for variable installation environments.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by using the same or similar technical features as the above-described embodiments of the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a swift type multitool switch, includes a multitool switch body, its characterized in that, this multitool switch body includes:

a rotating trigger assembly;

the conduction trigger assembly is driven to rotate by the rotating trigger assembly;

the PCB board is provided with a coded disc and at least one output end, the coded disc is divided into a plurality of areas, each area is provided with a common end and a conductive area corresponding to the common end, and the conductive area is provided with a plurality of spaced conductive contacts; the output end is provided with a plurality of output end points, and the public ends and the conductive contacts on the plurality of areas are respectively and correspondingly electrically connected with the output end points one by one through a lead; and the common terminal on each area is triggered to be conducted with the conductive contact by the conduction triggering component.

2. The shortcut multitool switch of claim 1, wherein the common end is arc-shaped, the plurality of conductive contacts on the conductive area are fanned out of the common end, the common end of the plurality of areas forms an inner circle, and the conductive area of the plurality of areas forms an outer circle.

3. The shortcut multitool switch of claim 2, wherein the conduction trigger module comprises a rotary plate connected to the rotation trigger module, and a plurality of conduction resilient tabs disposed on the rotary plate and contacting the code disc.

4. The shortcut multitool switch of claim 3, wherein the conduction elastic piece mainly comprises a connection block disposed on the turntable, and a first conduction elastic arm and a second conduction elastic arm respectively connected to the connection block and extending obliquely toward the direction of the code wheel, wherein a conduction contact is formed at each of ends of the first conduction elastic arm and the second conduction elastic arm, the conduction contact of the first conduction elastic arm is in sliding contact with the conduction region of the outer circle, and the conduction contact of the second conduction elastic arm is in sliding contact with the common end of the inner circle.

5. The shortcut multitool switch of claim 3, wherein the rotation trigger assembly comprises a driving shaft and a switch handle connected to an upper end of the driving shaft, wherein the rotary plate is sleeved on a periphery of the driving shaft.

6. The shortcut multitool switch of claim 1, wherein said code wheel is divided into six zones, zone A, zone B, zone C, zone D, zone E and zone F, and four conductive contacts are disposed on the conductive zone of each zone; the number of the output ends is two, and the two output ends are oppositely arranged on the two side ends of the PCB.

7. The shortcut multitool switch of any one of claims 1 to 6, wherein a plurality of jacks corresponding to output terminals one to one are formed at the output terminal.

8. The shortcut multitool switch of claim 7, wherein a pin set is inserted into the output terminal, the pin set is composed of a plurality of pins inserted into the insertion holes, and the plurality of pins are soldered to the output terminal.

9. The shortcut multitool switch of any one of claims 1 to 6, wherein a mounting and positioning structure is provided on the multitool switch body, and the mounting and positioning structure is formed by combining a plurality of studs and nuts or a plurality of brackets.

10. A shortcut multitool switch as in any of claims 1 to 6 wherein a silk screen panel is provided on said multitool switch body.

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