CN203481071U - Limit switch having temperature indication composition and handle - Google Patents
Limit switch having temperature indication composition and handle Download PDFInfo
- Publication number
- CN203481071U CN203481071U CN201320516280.2U CN201320516280U CN203481071U CN 203481071 U CN203481071 U CN 203481071U CN 201320516280 U CN201320516280 U CN 201320516280U CN 203481071 U CN203481071 U CN 203481071U
- Authority
- CN
- China
- Prior art keywords
- limit switch
- control lever
- handle
- annular seal
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Thermally Actuated Switches (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The utility model discloses a limit switch having a temperature indication composition and a handle; the limit switch comprises the handle, a pedestal and a shield, wherein the pedestal is cooperated with the shield and provided with a contact pin; the shield is provided with a limit control rod having a movable contact; the limit control rod is provided with a reset spring; the handle is connected with the limit control rod; the bottom of the reset spring abuts against the bottom of the pedestal; a sealing cavity is arranged in the pedestal; a sealing layer is arranged in the sealing cavity; a connecting portion between the contact pin and the movable contact is arranged in the sealing cavity; a temperature sensor is arranged in the sealing cavity; an alarm indication lamp connected with the temperature sensor is arranged on the shield. The limit switch is simple in structure, and the sealing cavity is arranged in the pedestal to improve sealing property; the temperature sensor and the indication lamp are provided, when the temperature is the sealing cavity is overhigh, the temperature can be timely displayed, thereby preventing limit switch damage caused by high temperature, and improving service life of the limit switch; the limit switch is good in practicality.
Description
Technical field
The utility model belongs to limit switch technical field, is specifically related to a kind of band handle limit switch with temperature indicating structure.
Background technology
It with handle limit switch, is the control assembly often using in production equipment; its Main Function is the stroke of controlling parts operation; play a protective role; yet the band handle limit switch of prior art is Shortcomings also; in use, its sealing is poor, and its spacing accuracy is poor; there is no corresponding internal temperature indicating structure, affected to a certain extent its practicality simultaneously yet.
Summary of the invention
The purpose of this utility model is to provide a kind of band handle limit switch with temperature indicating structure of simple in structure, convenient to use and good airproof performance.
The technical scheme that realizes the utility model object is a kind of band handle limit switch with temperature indicating structure, comprise handle, base, outer cover, described base matches with described outer cover, on described base, be provided with contact pin, on described outer cover, be provided with the spacing control lever with moving contact, on described spacing control lever, be provided with back-moving spring, described moving contact matches with the described pin that contacts, described handle is connected with described spacing control lever, the bottom of described back-moving spring is connected to the bottom of described base, in described base, be provided with annular seal space, in described annular seal space, be provided with sealant, the top of described back-moving spring is connected to the bottom of described annular seal space, described contact pin and described moving contact junction are arranged in described annular seal space, in described annular seal space, be provided with temperature inductor, on described outer cover, be provided with the alarm lamp being connected with described temperature inductor.
On described base, be provided with spacing control lever positioning cards, described spacing control lever is provided with the draw-in groove matching with described spacing control lever positioning cards.
Described alarm lamp is monochrome or polychromatic light.
The utlity model has positive effect: of the present utility model simple in structure, convenient to use, in base, be provided with annular seal space, contact pin and described moving contact junction are arranged in described annular seal space, improved to a certain extent sealing property, and in annular seal space, be provided with temperature inductor, on outer cover, be provided with the indicator light being connected with described temperature inductor, in annular seal space during excess Temperature, can indicate timely, can effectively avoid limit switch Yin Gaowen and damage, improved to a certain extent its useful life, practicality is good.
Accompanying drawing explanation
For content of the present utility model is more likely to be clearly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail below, wherein:
Fig. 1 is structural representation of the present utility model.
Embodiment
(embodiment 1)
Fig. 1 has shown a kind of embodiment of the present utility model, and wherein Fig. 1 is structural representation of the present utility model.
See Fig. 1, a kind of band handle limit switch with temperature indicating structure, comprise handle 1, base 2, outer cover 3, described base 2 matches with described outer cover 3, on described base 2, be provided with contact pin 4, on described outer cover 3, be provided with the spacing control lever 5 with moving contact 51, on described spacing control lever 5, be provided with back-moving spring 6, described moving contact 51 matches with the described pin 4 that contacts, described handle 1 is connected with described spacing control lever 5, the bottom of described back-moving spring 6 is connected to the bottom of described base 2, in described base 2, be provided with annular seal space 7, in described annular seal space 7, be provided with sealant 11, the top of described back-moving spring 6 is connected to the bottom of described annular seal space 7, described contact pin 4 is arranged in described annular seal space 7 with described moving contact 51 junctions, in described annular seal space 7, be provided with temperature inductor 8, on described outer cover 3, be provided with the alarm lamp 9 being connected with described temperature inductor 8.
On described base 2, be provided with spacing control lever positioning cards 10, described spacing control lever 5 is provided with the draw-in groove 52 matching with described spacing control lever positioning cards 10.
Described alarm lamp 9 is monochrome or polychromatic light.
Obviously, above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all execution modes.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.
Claims (3)
1. a band handle limit switch with temperature indicating structure, comprise handle, base, outer cover, described base matches with described outer cover, on described base, be provided with contact pin, on described outer cover, be provided with the spacing control lever with moving contact, on described spacing control lever, be provided with back-moving spring, described moving contact matches with the described pin that contacts, described handle is connected with described spacing control lever, the bottom of described back-moving spring is connected to the bottom of described base, it is characterized in that: in described base, be provided with annular seal space, in described annular seal space, be provided with sealant, the top of described back-moving spring is connected to the bottom of described annular seal space, described contact pin and described moving contact junction are arranged in described annular seal space, in described annular seal space, be provided with temperature inductor, on described outer cover, be provided with the alarm lamp being connected with described temperature inductor.
2. the band handle limit switch with temperature indicating structure according to claim 1, is characterized in that: on described base, be provided with spacing control lever positioning cards, described spacing control lever is provided with the draw-in groove matching with described spacing control lever positioning cards.
3. the band handle limit switch with temperature indicating structure according to claim 2, is characterized in that: described alarm lamp is monochrome or polychromatic light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516280.2U CN203481071U (en) | 2013-08-14 | 2013-08-14 | Limit switch having temperature indication composition and handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516280.2U CN203481071U (en) | 2013-08-14 | 2013-08-14 | Limit switch having temperature indication composition and handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203481071U true CN203481071U (en) | 2014-03-12 |
Family
ID=50229353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516280.2U Expired - Lifetime CN203481071U (en) | 2013-08-14 | 2013-08-14 | Limit switch having temperature indication composition and handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203481071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584314A (en) * | 2020-05-12 | 2020-08-25 | 湖州南浔上福线缆有限公司 | Drop-out power protection device based on thermal bimetallic strip principle |
-
2013
- 2013-08-14 CN CN201320516280.2U patent/CN203481071U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111584314A (en) * | 2020-05-12 | 2020-08-25 | 湖州南浔上福线缆有限公司 | Drop-out power protection device based on thermal bimetallic strip principle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |