CN218826704U - High-temperature-resistant travel switch - Google Patents
High-temperature-resistant travel switch Download PDFInfo
- Publication number
- CN218826704U CN218826704U CN202222361254.9U CN202222361254U CN218826704U CN 218826704 U CN218826704 U CN 218826704U CN 202222361254 U CN202222361254 U CN 202222361254U CN 218826704 U CN218826704 U CN 218826704U
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- Prior art keywords
- travel switch
- high temperature
- cavity
- temperature resistant
- push rod
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Abstract
The utility model discloses a high temperature resistant travel switch, including switch body, protective housing, push rod and operating device, switch body casing adopts high temperature resistant bakelite material, protective housing includes apron, base and cavity, be provided with the insulating layer in the cavity, be provided with first sealing washer on the apron, be provided with the second sealing washer on the push rod, the utility model discloses a travel switch also can normally work under high temperature environment can be guaranteed to this structure, still promoted travel switch's waterproof performance simultaneously, and simple structure, overall structure is stable, has promoted the working life of this travel switch under high temperature environment.
Description
Technical Field
The utility model belongs to the travel switch field specifically is a high temperature resistant travel switch.
Background
The travel switch (also called limit switch) is a common small current master electrical appliance, and the collision of mechanical moving parts is used to make its contact act to realize connection or disconnection of control circuit, so as to attain a certain control goal.
The quality requirements for the travel switch are different along with different working environments of the electromechanical control equipment, for example, components of the travel switch are easily damaged in a high-temperature environment, so that the travel switch fails, the working life is shortened, and the like, and therefore, the design of the high-temperature-resistant travel switch is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a following scheme:
the utility model provides a high temperature resistant travel switch, includes the switch body, protective housing, push rod and operating device, switch body casing adopts high temperature resistant bakelite material, protective housing includes apron, base and cavity, be provided with the insulating layer in the cavity, be provided with first sealing washer on the apron, base one end is provided with the push rod cover.
Preferably: the protective shell base is provided with a concave cavity, and the heat insulation layer is arranged in the concave cavity.
Preferably: the bottom of the cavity is provided with a screw hole for fixing the switch body, and the switch body is fixed at the bottom of the cavity through screws.
Preferably: the cover plate is provided with a boss, and the first sealing ring is arranged outside the boss.
Preferably: and a second sealing ring is arranged on the push rod.
Advantageous effects
The utility model discloses a switch body adopts high temperature resistant bakelite material, at the inside insulating layer that still is provided with of protective housing, all is equipped with the sealing washer on protective housing and the push rod simultaneously, the utility model discloses a this structure can guarantee that travel switch also can normally work under high temperature environment, has still promoted travel switch's waterproof performance simultaneously, and simple structure, and overall structure is stable, has promoted the life of this travel switch under high temperature environment.
Drawings
FIG. 1 is a general schematic view of a protective housing;
FIG. 2 is a schematic view of a base;
FIG. 3 is a schematic view of a cover plate;
FIG. 4 is a schematic view of the interior of the cavity and the switch body;
FIG. 5 is a schematic view of a pushrod;
the corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows: 100. a switch body; 101. a switch housing; 102. a screw; 200. a protective housing; 201. a cover plate; 202. a boss; 203. a first seal ring; 204. a base; 205. a concave cavity; 206. a thermal insulation layer; 207. a push rod sleeve; 208. a screw hole; 300. a push rod; 301. a second seal ring; 400. an operating mechanism;
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, which are schematic structural views of a high temperature resistant travel switch according to a preferred embodiment of the present invention;
in this embodiment, a high temperature resistant travel switch, includes switch body 100, protective housing 200, push rod 300 and operating device 400, the casing 101 of switch body 100 adopts high temperature resistant bakelite material, protective housing 200 includes apron 201, base 204 and cavity 205, be provided with insulating layer 206 in the cavity 205, be provided with first sealing washer 203 on the apron 201, base one end is provided with push rod sleeve 207, and this structure can promote the life of this travel switch under high temperature environment.
In this embodiment, a high temperature resistant travel switch, the protective housing base is provided with the cavity, the insulating layer sets up in the cavity, the cavity bottom is provided with the screw of fixed switch body, the switch body passes through the screw fixation in the cavity bottom. In this embodiment, a boss is arranged on the cover plate, the first sealing ring is arranged outside the boss, and the push rod is provided with the second sealing ring, so that the sealing performance of the travel switch can be improved.
The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.
Claims (5)
1. A high temperature resistant travel switch, includes switch body (100), protective housing (200), push rod (300) and operating device (400), its characterized in that: casing (101) of switch body (100) adopt high temperature resistance bakelite material, protective housing (200) are including apron (201), base (204) and cavity (205), be provided with insulating layer (206) in cavity (205), be provided with first sealing washer (203) on apron (201), base (204) one end is provided with push rod cover (207).
2. A high temperature resistant travel switch of claim 1, wherein: the cavity (205) is arranged on the base (204), and the heat insulation layer (206) is arranged in the cavity (205).
3. A high temperature resistant travel switch according to claim 2, wherein: the bottom of the concave cavity (205) is provided with a screw hole (208) for fixing the switch body (100), and the switch body (100) is fixed at the bottom of the concave cavity (205) through a screw (102).
4. The high temperature resistant travel switch of claim 1, wherein: a boss (202) is arranged on the cover plate (201), and the first sealing ring (203) is installed outside the boss (202).
5. A high temperature resistant travel switch of claim 1, wherein: and a second sealing ring (301) is arranged on the push rod (300).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361254.9U CN218826704U (en) | 2022-09-06 | 2022-09-06 | High-temperature-resistant travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222361254.9U CN218826704U (en) | 2022-09-06 | 2022-09-06 | High-temperature-resistant travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218826704U true CN218826704U (en) | 2023-04-07 |
Family
ID=87260898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222361254.9U Active CN218826704U (en) | 2022-09-06 | 2022-09-06 | High-temperature-resistant travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218826704U (en) |
-
2022
- 2022-09-06 CN CN202222361254.9U patent/CN218826704U/en active Active
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