CN217690838U - Switch assembly with adjustable stroke - Google Patents
Switch assembly with adjustable stroke Download PDFInfo
- Publication number
- CN217690838U CN217690838U CN202221359498.7U CN202221359498U CN217690838U CN 217690838 U CN217690838 U CN 217690838U CN 202221359498 U CN202221359498 U CN 202221359498U CN 217690838 U CN217690838 U CN 217690838U
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- push rod
- shell
- assembly
- base
- rod assembly
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Abstract
The utility model provides a switch component with adjustable stroke, which comprises an external force transmission mechanism; the external force transmission mechanism is internally connected with a switch unit through a base, and a plurality of wires are welded on pins of the switch unit; the external force transmission mechanism comprises a push rod assembly, a shell is sleeved outside the push rod assembly, the bottom of the push rod assembly is connected with a guide sleeve, a limiting step is arranged on the push rod assembly, and a pressure spring is sleeved between the limiting step and the guide sleeve; the base is connected with the shell through threads and is evenly coated with thread glue. The novel relative ratio micro switch is used, the stroke of the switch assembly is large, the stroke can be adjusted, and the range is 0.9 mm-4 mm, so that the stroke of the switch assembly can be adjusted to the maximum extent according to the stroke precision requirement of the mechanical control part equipment so as to match the installation requirement of the mechanical control part equipment.
Description
Technical Field
The utility model relates to a switch module of adjustable stroke belongs to electromechanical component technical field.
Background
With the development of large-scale equipment, the demand for mechanical control component equipment is increasing, and a switch capable of controlling the operation of the mechanical control component equipment is needed. Some mechanical control part equipment is installed in a severe position and environment, and the same type of switch is required to have a large adjustable stroke range so as to adapt to the installation and use of various mechanical control part equipment; the current micro switch has short stroke, narrow adjustable stroke range and no sealing, the shell is mostly made of plastics, the use environment and the installation environment are limited, and the installation and use requirements of mechanical control part equipment under certain special environments cannot be met.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a switch module of adjustable stroke, this switch module of adjustable stroke has solved current micro-gap switch stroke weak point, and adjustable stroke range is narrow, unsealed, and the shell is mostly plastics, the limited problem of service environment and installation environment.
The utility model discloses a following technical scheme can realize.
The utility model provides a switch component with adjustable stroke, which comprises an external force transmission mechanism; the external force transmission mechanism is internally connected with a switch unit through a base, and a plurality of wires are welded on pins of the switch unit; the external force transmission mechanism comprises a push rod assembly, a shell is sleeved outside the push rod assembly, the bottom of the push rod assembly is connected with a guide sleeve, a limiting step is arranged on the push rod assembly, and a pressure spring is sleeved between the limiting step and the guide sleeve; the base is connected with the shell through threads and is uniformly coated with thread glue; the inner wall of shell is equipped with U type annular groove, is equipped with the O type sealing washer of evenly scribbling lubricating grease in U type annular groove, and the push rod subassembly passes through O type sealing washer and is connected with the shell.
Epoxy resin glue is sealed and poured at the bottom of the base, and one end of each of the plurality of wires penetrates through the bottom of the base to be exposed.
Epoxy resin glue for fixing the switch unit is uniformly coated in the mounting hole of the base.
The push rod assembly comprises a push rod connected with the inner wall of the shell, and a ball head screw is connected in the push rod through threads.
The push rod assembly and the pressure spring are movably connected with the shell.
The guide sleeve is screwed and fixed on the shell through threads, and thread glue is uniformly coated on the guide sleeve.
Thread glue is evenly coated at the joint of the push rod and the ball head screw.
The beneficial effects of the utility model reside in that: compared with a microswitch, the stroke of the switch component is large, and the stroke can be adjusted within the range of 0.9 mm-4 mm, so that the stroke of the switch component can be adjusted to the maximum extent according to the stroke precision requirement of the mechanical control part equipment so as to match the installation requirement of the mechanical control part equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the external force transfer mechanism of FIG. 1;
FIG. 3 is a schematic view of the push rod assembly of FIG. 2;
fig. 4 is a circuit diagram of the present invention;
in the figure: the device comprises an external force transmission mechanism, a switch unit 2, a base 3, a lead 4, a push rod assembly 5, an O-shaped sealing ring 6, a shell 7, a pressure spring 8, a guide sleeve 9, a ball head screw 10 and a push rod 11.
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.
As shown in fig. 1 to 3, a stroke-adjustable switch assembly includes an external force transmission mechanism 1; the external force transmission mechanism 1 is internally connected with a switch unit 2 through a base 3, and a plurality of leads 4 are welded on pins of the switch unit 2; the external force transmission mechanism 1 comprises a push rod assembly 5, a shell 7 is sleeved outside the push rod assembly 5, the bottom of the push rod assembly 5 is connected with a guide sleeve 9, a limiting step is arranged on the push rod assembly 5, and a pressure spring 8 is sleeved between the limiting step and the guide sleeve 9; the base 3 is connected with the shell 7 through threads and is uniformly coated with thread glue; the inner wall of shell 7 is equipped with U type annular groove, is equipped with the O type sealing washer 6 of evenly scribbling lubricating grease in U type annular groove, and push rod subassembly 5 is connected with shell 7 through O type sealing washer 6.
Epoxy resin glue is sealed and filled at the bottom of the base 3, and one ends of the leads 4 are exposed through the bottom of the base 3.
Epoxy resin glue for fixing the switch unit 2 is uniformly coated in the mounting hole of the base 3.
The push rod assembly 5 comprises a push rod 11 connected with the inner wall of the shell 7, a ball screw 10 is connected in the push rod 11 through threads, and thread glue is uniformly coated at the joint of the push rod 11 and the ball screw 10.
The push rod assembly 5 and the pressure spring 8 are movably connected with the shell 7.
The guide sleeve 9 is screwed and fixed on the shell 7 through threads, and thread glue is uniformly coated on the guide sleeve.
Examples
As described above, 3 wires are welded on the pins of the switch unit and penetrate through the base, the switch unit is fixed by uniformly coating a small amount of epoxy resin glue on the inner wall of the mounting hole of the base, the base is screwed and fixed on the shell through threads and is uniformly coated with thread glue, and the stroke requirement of the mechanical control part equipment is matched by controlling the screwing depth of the threads; and epoxy resin glue is sealed and poured at the bottom of the base to realize static sealing at the bottom of the switch component.
As shown in fig. 2, the external force transmission mechanism includes a push rod assembly, an O-ring, a housing, a pressure spring, and a guide sleeve, wherein the O-ring is installed in a U-shaped ring groove of the housing, and is uniformly coated with grease on the O-ring to realize sliding sealing of the switch; the push rod assembly penetrates through the shell to guide the circular ring; the pressure spring is installed between spacing step of pushing rod subassembly and uide bushing, and the uide bushing is then screwed through the screw thread and is fixed on the shell to evenly paint the screw thread and glue, pushing rod subassembly and pressure spring then also are fixed on the shell by dynamic mounting simultaneously.
As shown in fig. 3, the push rod assembly structure includes a ball screw and a push rod, the ball screw is screwed and fixed on the push rod through a thread, and thread glue is uniformly coated on the ball screw.
As shown in fig. 4, the working principle of the present invention is as follows:
the circuit form of the switch is an SPDT form, the pin at the end a is a public end, the pin at the end b is a normally closed end, and the pin at the end c is a normally open end.
In a free state, pins a-b of the switch are switched on, and pins a-c are switched off; when the push rod assembly is driven to displace under the action of force, the force is transmitted to the switch unit, so that the pins a-b are disconnected, the pins a-c are connected, and one-time switch conversion is realized; after the external force is removed, the switch returns to a free state under the action of the bow reed and the pressure spring in the switch unit, and one-time action circulation is realized.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that all equivalent changes made by the contents of the claims of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A switch assembly of adjustable stroke, includes external force transmission mechanism (1), its characterized in that: the external force transmission mechanism (1) is internally connected with a switch unit (2) through a base (3), and a plurality of leads (4) are welded on pins of the switch unit (2); the external force transmission mechanism (1) comprises a push rod assembly (5), a shell (7) is sleeved outside the push rod assembly (5), the bottom of the push rod assembly (5) is connected with a guide sleeve (9), a limiting step is arranged on the push rod assembly (5), and a pressure spring (8) is sleeved between the limiting step and the guide sleeve (9); the base (3) is connected with the shell (7) through threads, and thread glue is uniformly coated on the base; the inner wall of the shell (7) is provided with a U-shaped annular groove, an O-shaped sealing ring (6) which is evenly smeared with lubricating grease is arranged in the U-shaped annular groove, and the push rod component (5) is connected with the shell (7) through the O-shaped sealing ring (6).
2. The adjustable travel switch assembly of claim 1, wherein: epoxy resin glue is sealed and filled at the bottom of the base (3), and one end of each of the plurality of leads (4) penetrates through the bottom of the base (3) to be exposed.
3. The adjustable travel switch assembly of claim 1, wherein: epoxy resin glue for fixing the switch unit (2) is uniformly coated in the mounting hole of the base (3).
4. An adjustable travel switch assembly as defined in claim 1, wherein: the push rod assembly (5) comprises a push rod (11) connected with the inner wall of the shell (7), and a ball head screw (10) is connected in the push rod (11) through threads.
5. The adjustable travel switch assembly of claim 1, wherein: the push rod assembly (5) and the pressure spring (8) are movably connected with the shell (7).
6. The adjustable travel switch assembly of claim 1, wherein: the guide sleeve (9) is screwed and fixed on the shell (7) through threads, and thread glue is uniformly coated on the guide sleeve.
7. An adjustable travel switch assembly as defined in claim 4, wherein: thread glue is evenly coated on the joint of the push rod (11) and the ball head screw (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221359498.7U CN217690838U (en) | 2022-05-31 | 2022-05-31 | Switch assembly with adjustable stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221359498.7U CN217690838U (en) | 2022-05-31 | 2022-05-31 | Switch assembly with adjustable stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217690838U true CN217690838U (en) | 2022-10-28 |
Family
ID=83706564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221359498.7U Active CN217690838U (en) | 2022-05-31 | 2022-05-31 | Switch assembly with adjustable stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217690838U (en) |
-
2022
- 2022-05-31 CN CN202221359498.7U patent/CN217690838U/en active Active
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| GR01 | Patent grant |