CN218730564U - Short-stroke mechanical switch assembly - Google Patents
Short-stroke mechanical switch assembly Download PDFInfo
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- CN218730564U CN218730564U CN202222984464.3U CN202222984464U CN218730564U CN 218730564 U CN218730564 U CN 218730564U CN 202222984464 U CN202222984464 U CN 202222984464U CN 218730564 U CN218730564 U CN 218730564U
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- static contact
- shell
- button
- mechanical switch
- switch assembly
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Abstract
The utility model provides a short-stroke mechanical switch component, which comprises an external force transmission mechanism; a gasket, an insulating sheet and a static contact system are sequentially arranged in a shell of the external force transmission mechanism, and the gasket is tightly riveted in the shell through buckling and riveting at the bottom of the shell; a button is inserted at the upper end of the shell, the bottom of the button is connected with an insulating seat, and a reset pressure spring is sleeved on the button; and movable contact pieces are embedded and pressed on two sides of the insulating seat. The utility model adopts the cavity-divided structural design, the reset pressure spring and the static contact system of the external force transmission mechanism are respectively arranged in the two cavities, thereby reducing the influence of the resonance generated by the reset pressure spring on the contact problem and the like of the static contact system in the strong vibration environment; the electric contact mechanism adopts a dual-redundancy design, and the static contact piece adopts a reverse arch structure design, so that the contact mechanism of the switch of the mining equipment under the strong vibration environment in work is stable and reliable, and the stable output of signals is always kept.
Description
Technical Field
The utility model relates to a short stroke mechanical switch subassembly.
Background
With the development of large mining equipment, the demand for a switch control assembly is increasing day by day, a non-manual operation mechanical switch control assembly capable of outputting an electric signal of a hydraulic pump in place is required, and the switch is required to bear stronger vibration impact capacity because the mining equipment is large in vibration in a use environment.
The existing microswitch can execute non-manual operation electric signal output control, but the microswitch electric contact mechanism is a snap contact mechanism, which can not meet the use requirement in the environment of bearing strong vibration in large-scale mining equipment, for example, a delay collision prevention device for a travel switch disclosed in the Chinese patent with the publication number of CN206849715U and a collision type travel switch auxiliary device disclosed in the Chinese patent with the publication number of CN206849715U are added with mechanisms for placing collision, but the switch itself belongs to the snap contact mechanism, which can not meet the use requirement in the environment of bearing strong vibration in large-scale mining equipment.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a short stroke mechanical switch subassembly.
The utility model discloses a following technical scheme can realize.
The utility model provides a short-stroke mechanical switch component, which comprises an external force transmission mechanism; a gasket, an insulating sheet and a static contact system are sequentially arranged in a shell of the external force transmission mechanism, and the gasket is tightly riveted in the shell through buckling and riveting at the bottom of the shell; a button is inserted at the upper end of the shell, the bottom of the button is connected with an insulating seat, and a reset pressure spring is sleeved on the button; movable contact pieces are embedded and pressed on two sides of the insulating seat; the static contact system comprises a base, wherein a static contact piece and a supporting piece are sequentially arranged on two sides of the base, and the static contact piece is in contact with the movable contact piece.
And a lead-out wire is welded on a static contact sheet of the static contact system, and white silicon rubber is sealed and filled at the bottom of the static contact system.
The upper end of the shell is provided with a step hole, the button is connected with the step hole, and the lower end of the button is provided with a step shaft.
The button is provided with a U-shaped groove, and a rotation stopping pin is arranged in the U-shaped groove.
The reset pressure spring is positioned between the step shaft and the step hole.
The insulating seat is connected with the step shaft through an elastic washer and a pan head screw, and thread glue is coated at the connection position.
The base is connected with the housing.
The static contact piece and the supporting piece are connected with the base through flat head screws, and thread glue is coated at the connecting position.
The static contact piece is of an arch structure.
The beneficial effects of the utility model reside in that: the interior of the device adopts a cavity-divided structural design, and a reset pressure spring and a static contact system of an external force transmission mechanism are respectively arranged in two cavities, so that the influence of resonance generated by the reset pressure spring on the contact problem and the like of the static contact system in a strong vibration environment is reduced; the electric contact mechanism adopts a dual-redundancy design, and the static contact piece adopts a reverse arch structure design, so that the contact mechanism of the switch of the mining equipment under the strong vibration environment in work is stable and reliable, and the stable output of signals is always kept.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the external force transmission mechanism of the present invention;
FIG. 3 is a schematic structural diagram of the stationary contact system of the present invention;
fig. 4 is a circuit diagram of the present invention;
in the figure: 1-an external force transmission mechanism, 2-a static contact system, 3-an insulating sheet, 4-a gasket, 5-a lead-out wire, 6-a button, 7-a shell, 8-a rotation-stopping pin, 9-a reset pressure spring, 10-an insulating seat, 11-a pan head screw, 12-an elastic gasket, 13-a movable contact sheet, 14-a static contact sheet, 15-a supporting sheet, 16-a flat head screw and 17-a base.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
A short stroke mechanical switch assembly as shown in fig. 1-3, comprising an external force transmission mechanism 1; a gasket 4, an insulating sheet 3 and a static contact system 2 are sequentially placed in a shell 7 of the external force transmission mechanism 1, and the gasket 4 is tightly riveted in the shell 7 through buckling and riveting at the bottom of the shell 7; the upper end of the shell 7 is inserted with a button 6, the bottom of the button 6 is connected with an insulating seat 10, and the button 6 is sleeved with a reset pressure spring 9; the movable contact pieces 13 are embedded and pressed on two sides of the insulating seat 10; the static contact system 2 comprises a base 17, wherein a static contact piece 14 and a supporting piece 15 are sequentially arranged on two sides of the base 17, and the static contact piece 14 is in contact with a movable contact piece 13.
Preferably, the gasket 4 holds the stationary contact system 2 and the insulating sheet 3 tightly.
The static contact piece 14 of the static contact system 2 is welded with the lead-out wire 5, and the bottom of the static contact system 2 is sealed and filled with white silicon rubber to protect a welding point.
The upper end of the shell 7 is provided with a step hole, the button 6 is connected with the step hole, and the lower end of the button 6 is provided with a step shaft.
The button 6 is provided with a U-shaped groove, and a rotation stopping pin 8 is arranged in the U-shaped groove to realize rotation stopping of the button 6 and axial limiting.
And the reset pressure spring 9 is positioned between the step shaft and the step hole.
The insulating seat 10 is connected with the stepped shaft through an elastic washer 12 and a pan head screw 11, and thread glue is coated at the connection part.
The base 17 is connected to the housing 7.
The static contact piece 14 and the supporting piece 15 are connected with a base 17 through flat head screws 16, and thread glue is coated at the connection part.
The stationary contact plate 14 is of arcuate configuration.
The utility model discloses a theory of operation does:
as shown in fig. 4, the circuit is in a group of normally closed forms, in a free state, pins 1-2 of the switch are switched on, and when the button 6 is driven to displace downwards under the action of force and the force is transmitted to the insulating base 10, the pins 1-2 are switched off, so that one-time switch conversion is realized; after the external force is removed, the switch is restored to a free state under the action of the reset pressure spring 9, and one-time action circulation is realized.
Claims (9)
1. A short stroke mechanical switch subassembly, includes external force transmission mechanism (1), its characterized in that: a gasket (4), an insulating sheet (3) and a static contact system (2) are sequentially placed in a shell (7) of the external force transmission mechanism (1), and the gasket (4) is riveted in the shell (7) through buckling and riveting at the bottom of the shell (7); a button (6) is inserted into the upper end of the shell (7), the bottom of the button (6) is connected with an insulating seat (10), and a reset pressure spring (9) is sleeved on the button (6); movable contact pieces (13) are embedded and pressed on two sides of the insulating seat (10); the static contact system (2) comprises a base (17), a static contact piece (14) and a supporting piece (15) are sequentially arranged on two sides of the base (17), and the static contact piece (14) is in contact with the movable contact piece (13).
2. The short stroke mechanical switch assembly of claim 1, wherein: the static contact piece (14) of the static contact system (2) is welded with a lead-out wire (5), and the bottom of the static contact system (2) is sealed and filled with white silicon rubber.
3. The short stroke mechanical switch assembly of claim 1, wherein: the upper end of the shell (7) is provided with a step hole, the button (6) is connected with the step hole, and the lower end of the button (6) is provided with a step shaft.
4. The short stroke mechanical switch assembly of claim 1, wherein: the button (6) is provided with a U-shaped groove, and a rotation stopping pin (8) is arranged in the U-shaped groove.
5. The short stroke mechanical switch assembly of claim 1, wherein: and the reset pressure spring (9) is positioned between the step shaft and the step hole.
6. The short stroke mechanical switch assembly of claim 1, wherein: the insulating seat (10) is connected with the step shaft through an elastic washer (12) and a pan head screw (11), and the connection position is coated with thread glue.
7. The short stroke mechanical switch assembly of claim 1, wherein: the base (17) is connected with the shell (7).
8. The short stroke mechanical switch assembly of claim 1, wherein: the static contact piece (14) and the supporting piece (15) are connected with the base (17) through flat head screws (16), and the joint is coated with thread glue.
9. The short stroke mechanical switch assembly as claimed in claim 1, wherein: the static contact piece (14) is of an arch structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984464.3U CN218730564U (en) | 2022-11-09 | 2022-11-09 | Short-stroke mechanical switch assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222984464.3U CN218730564U (en) | 2022-11-09 | 2022-11-09 | Short-stroke mechanical switch assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730564U true CN218730564U (en) | 2023-03-24 |
Family
ID=85612926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222984464.3U Active CN218730564U (en) | 2022-11-09 | 2022-11-09 | Short-stroke mechanical switch assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730564U (en) |
-
2022
- 2022-11-09 CN CN202222984464.3U patent/CN218730564U/en active Active
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