CN202749282U - Pull cord switch provided with hand-operated self-locking structure - Google Patents
Pull cord switch provided with hand-operated self-locking structure Download PDFInfo
- Publication number
- CN202749282U CN202749282U CN 201220434173 CN201220434173U CN202749282U CN 202749282 U CN202749282 U CN 202749282U CN 201220434173 CN201220434173 CN 201220434173 CN 201220434173 U CN201220434173 U CN 201220434173U CN 202749282 U CN202749282 U CN 202749282U
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- Prior art keywords
- self
- manual
- hand
- pull
- operated
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- Expired - Fee Related
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Abstract
The utility model relates to a pull cord switch provided with a hand-operated self-locking structure, and the pull cord switch comprises a hand-operated self-locking mechanism, the hand-operated self-locking mechanism comprises a locating member, a hand-operated seat, a hand-operated pin, and a hand-operated cover, the locating member is fixedly connected with a pull rod, a peripheral side surface of the locating member is provided with a limiting portion, the hand-operated pin is provided with a blocking portion, a self-locking spring is arranged between the blocking portion and an inner wall of a right side of the hand-operated seat, the self-locking spring is sleeved on the hand-operated pin, a left side end portion of the hand-operated pin can respectively cooperate with a top surface and a bottom surface of the limiting portion, so positioning is formed for operation position of the pull rod in a pulling direction and in a releasing direction. When emergency shutdown is needed on a conveying site, the pull rod is pulled and the hand-operated pin of the hand-operated self-locking mechanism is operated, the limiting portion of the locating member can be limited below the hand-operated pin, operation position of the pull rod is locked, therefore switch states of the pull cord switch is locked, and sufficient time is provided for a user to eliminate faults.
Description
Technical field
The utility model relates to a kind of pull switch with manual self-locking structure.
Background technology
Pull switch is a kind of emergency stop switch; existing pull switch; comprise housing, cover plate and skull; one end extends out from skull with the pull bar of draw ring; the other end of pull bar is connected with connecting rod; connecting rod acts on the movable contact head end of sensitive switch; rod outer sleeve has pull-rod spring; one end of pull-rod spring is fixed in pin; the other end of pull-rod spring is fixed in skull, when the conveying scene needs emergency shutdown, by the pulling draw ring; can make the pull bar that is attached thereto act on the sensitive switch of pull switch inside, make the switch motion of sensitive switch.The pull switch of this structure generally automatically reverts to again initial position after the switch motion of sensitive switch, may cause the tape jam restarting equipment, and equipment and the person are sustained a loss.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, provides a kind of moved end of sensitive switch that can make to remain on operating position, provides the pull switch with manual self-locking structure of grace time for the user fixes a breakdown.
For achieving the above object, the utility model adopts a kind of like this pull switch with manual self-locking structure, comprise housing, cover plate and skull, one end extends out from skull with the pull bar of draw ring, the other end of pull bar is connected with connecting rod, described connecting rod acts on the movable contact head end of sensitive switch, described rod outer sleeve has pull-rod spring, one end of described pull-rod spring is fixed in pin, the other end of described pull-rod spring is fixed in the interior upper wall of described skull, described pull switch with manual self-locking structure also comprises manual self-locking mechanism, described manual self-locking mechanism comprises keeper, manual seat, manually sell and manual cover, described keeper is fixedly connected with described pull bar, described keeper is provided with the section of placing restrictions in its circumferential lateral surface, described manual pin is provided with the stop section, be provided with self-locking spring between described stop section and the described manual seat right side inwall, described self-locking spring cover is through at described manual pin, the left distal end of described manual pin can cooperate with described upper surface and lower surface of placing restrictions on section respectively, and the operating position of pull bar on pulling direction and release direction consisted of the location.
Especially, described housing and described cover plate adopt screw to fix, and are provided with sealing ring between described housing and described cover plate, and described through wires hole place with pull switch of manual self-locking structure is provided with waterproof cover.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
1, when the conveying scene needs emergency shutdown; the pulling draw ring also operates manual pin in the manual self-locking mechanism; the section of placing restrictions on of keeper can be placed restrictions on below manually selling; the operating position of the operation of locking pull bar; and then the on off state in the locking pull switch, for fixing a breakdown, the user provides grace time.
2, between housing and cover plate sealing ring is set, the place arranges waterproof cover at through wires hole, when not using, prevents that liquid, micronic dust from entering housing, has the high characteristics of degree of protection.
Description of drawings
Fig. 1 is a kind of front view with pull switch of manual self-locking structure of the utility model embodiment.
Among the figure: 1, draw ring; 2, pull bar; 3, skull; 4, pull-rod spring; 5, pin; 6, manual seat; 7, self-locking spring; 8, manually sell; 9, manual cover; 10, keeper; 11, screw; 12, connecting rod; 13, sealing ring; 14, cover plate; 15, sensitive switch; 16, waterproof cover; 17, housing; 19, stop section; 20, place restrictions on section.
Embodiment
As shown in Figure 1, a kind of pull switch with manual self-locking structure, comprise housing 17, cover plate 14 and skull 3, one end extends out from skull 3 with the pull bar 2 of draw ring 1, the other end of pull bar 2 is connected with connecting rod 12, connecting rod 12 acts on the movable contact head end of sensitive switch 15, pull bar 2 overcoats have pull-rod spring 4, one end of pull-rod spring 4 is fixed in pin 5, the other end of pull-rod spring 4 is fixed in the interior upper wall of skull 3, pull switch with manual self-locking structure also comprises manual self-locking mechanism, manually self-locking mechanism comprises keeper 10, manual seat 6, manual pin 8 and manual cover 9, keeper 10 is fixedly connected with pull bar 2, and keeper 10 is provided with the section of placing restrictions on 20 in its circumferential lateral surface, manually sells 8 and is provided with stop section 19, be provided with self-locking spring 7 between stop section 9 and the manual seat 6 right side inwalls, self-locking spring 7 cover is through at manual pin 8, and manually selling 8 left distal end can cooperate with the upper surface of placing restrictions on section 20 and lower surface respectively, the operating position of pull bar 2 on pulling direction and release direction is consisted of locate.
Claims (2)
1. pull switch with manual self-locking structure, comprise housing, cover plate and skull, one end extends out from skull with the pull bar of draw ring, the other end of pull bar is connected with connecting rod, described connecting rod acts on the movable contact head end of sensitive switch, described rod outer sleeve has pull-rod spring, one end of described pull-rod spring is fixed in pin, the other end of described pull-rod spring is fixed in the interior upper wall of described skull, it is characterized in that: described pull switch with manual self-locking structure also comprises manual self-locking mechanism, described manual self-locking mechanism comprises keeper, manual seat, manually sell and manual cover, described keeper is fixedly connected with described pull bar, described keeper is provided with the section of placing restrictions in its circumferential lateral surface, described manual pin is provided with the stop section, be provided with self-locking spring between described stop section and the described manual seat right side inwall, described self-locking spring cover is through at described manual pin, the left distal end of described manual pin can cooperate with described upper surface and lower surface of placing restrictions on section respectively, and the operating position of pull bar on pulling direction and release direction consisted of the location.
2. the pull switch with manual self-locking structure according to claim 1, it is characterized in that: described housing and described cover plate adopt screw to fix, be provided with sealing ring between described housing and described cover plate, described through wires hole place with pull switch of manual self-locking structure is provided with waterproof cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434173 CN202749282U (en) | 2012-08-28 | 2012-08-28 | Pull cord switch provided with hand-operated self-locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220434173 CN202749282U (en) | 2012-08-28 | 2012-08-28 | Pull cord switch provided with hand-operated self-locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749282U true CN202749282U (en) | 2013-02-20 |
Family
ID=47708643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220434173 Expired - Fee Related CN202749282U (en) | 2012-08-28 | 2012-08-28 | Pull cord switch provided with hand-operated self-locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749282U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337401A (en) * | 2013-06-18 | 2013-10-02 | 宋卫成 | Industrial pull-cord switch |
| CN103745865A (en) * | 2014-01-14 | 2014-04-23 | 沈阳中煤工程技术有限公司 | Pull-cord switch with manual self-locking action mechanism |
| CN104282477A (en) * | 2014-10-14 | 2015-01-14 | 武汉菲舍控制技术有限公司 | Field operation pull-cord switch |
| CN106653416A (en) * | 2016-10-28 | 2017-05-10 | 国网天津市电力公司 | Tool for communication equipment hardware restart |
| CN107865608A (en) * | 2017-12-15 | 2018-04-03 | 广东顺威智能科技有限公司 | The Quick Release of closestool cover plate and ceramic body installs connecting assembly |
-
2012
- 2012-08-28 CN CN 201220434173 patent/CN202749282U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337401A (en) * | 2013-06-18 | 2013-10-02 | 宋卫成 | Industrial pull-cord switch |
| CN103745865A (en) * | 2014-01-14 | 2014-04-23 | 沈阳中煤工程技术有限公司 | Pull-cord switch with manual self-locking action mechanism |
| CN104282477A (en) * | 2014-10-14 | 2015-01-14 | 武汉菲舍控制技术有限公司 | Field operation pull-cord switch |
| CN106653416A (en) * | 2016-10-28 | 2017-05-10 | 国网天津市电力公司 | Tool for communication equipment hardware restart |
| CN107865608A (en) * | 2017-12-15 | 2018-04-03 | 广东顺威智能科技有限公司 | The Quick Release of closestool cover plate and ceramic body installs connecting assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |