CN202754675U - Elevator door knife assembly - Google Patents
Elevator door knife assembly Download PDFInfo
- Publication number
- CN202754675U CN202754675U CN 201220292661 CN201220292661U CN202754675U CN 202754675 U CN202754675 U CN 202754675U CN 201220292661 CN201220292661 CN 201220292661 CN 201220292661 U CN201220292661 U CN 201220292661U CN 202754675 U CN202754675 U CN 202754675U
- Authority
- CN
- China
- Prior art keywords
- link rod
- knife assembly
- door knife
- arc plate
- elevator door
- 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 - Fee Related
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- Elevator Door Apparatuses (AREA)
Abstract
Disclosed is an elevator door knife assembly. The utility model relates to the field of elevator car door knife assemblies. The elevator door knife assembly comprises a first arc plate, a second arc plate, a bottom plate, a first link rod, and a second link rod, wherein the first arc plate, the first link rod, a second arc plate, and the second link rod successively form a four-bar mechanism through a shaft pin. The bottom plate is in shaft connection with the first link rod and the second link rod. The first link rod is connected with a bottom rod through a spring. A limit device is arranged between the bottom plate and the first link rod. The elevator door knife assembly is reasonable in design, simple in structure, capable of stretching depending on the spring and the limit device, safe and reliable in working, low in cost, and capable of avoiding potential safety hazard.
Description
Technical field
The utility model relates to elevator car chamber door knife assembly field, is specifically related to a kind of elevator door knife assembly.
Background technology
Along with increasing of modern floor, the use of elevator brings great convenience to people.But the safety problem of elevator also becomes the problem that people pay special attention to.In order to guarantee personal safety, be in cab and allow to open the cab door when aspect is opened the door the zone, and in non-layer Men Kaimen zone, the cab door should lock, and prevents that people from opening the cab door in cab.In the prior art in order to guarantee personal safety, generally guarantee when opening the cab door, to be unlikely to cause danger by in hoistway, installing the protection wire netting additional, but that this method exists cost is high the defective that the construction period is long.
Summary of the invention
The purpose of this utility model provides a kind of elevator door knife assembly, and it is reasonable in design, and is simple in structure, relies on spring to stretch and inhibiting device, and safe and reliable, cost is low, avoids potential safety hazard.
In order to solve the existing problem of background technology, the utility model is by the following technical solutions: a kind of elevator door knife assembly, it comprises the first arc plate, the second arc plate, base plate, the first link rod and the second link rod, form four-bar linkage by pivot pin successively between described the first arc plate, the first link rod, the second arc plate, the second link rod, and described base plate is connected with the first link rod, the second link rod axle, described the first link rod links to each other by spring with bottom bar, is provided with inhibiting device between described base plate and the first link rod.
The utlity model has following beneficial effect: reasonable in design, simple in structure, rely on spring opposite house knife assembly to stretch, reliability is high and cost is low; Adopt inhibiting device, avoid spring excessively to stretch, simple and convenient, improve safety.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment
With reference to Fig. 1, this specific embodiment is by the following technical solutions: a kind of elevator door knife assembly, it comprises the first arc plate 1, the second arc plate 2, base plate 3, the first link rod 4 and the second link rod 5, form four-bar linkage by pivot pin successively between described the first arc plate 1, the first link rod 4, the second arc plate 2, the second link rod 5, and described base plate 3 is connected with the first link rod 4, the second link rod 5 axles, described the first link rod 4 links to each other by spring 6 with bottom bar 3, is provided with inhibiting device 7 between described base plate 3 and the first link rod 4.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, other modifications that those of ordinary skills make the technical solution of the utility model or be equal to replacement, only otherwise break away from the spirit and scope of technical solutions of the utility model, all should be encompassed in the middle of the claim scope of the present utility model.
Claims (1)
1. elevator door knife assembly, it is characterized in that, it comprises the first arc plate, the second arc plate, base plate, the first link rod and the second link rod, form four-bar linkage by pivot pin successively between described the first arc plate, the first link rod, the second arc plate, the second link rod, and described base plate is connected with the first link rod, the second link rod axle, described the first link rod links to each other by spring with bottom bar, is provided with inhibiting device between described base plate and the first link rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292661 CN202754675U (en) | 2012-06-21 | 2012-06-21 | Elevator door knife assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292661 CN202754675U (en) | 2012-06-21 | 2012-06-21 | Elevator door knife assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202754675U true CN202754675U (en) | 2013-02-27 |
Family
ID=47733869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292661 Expired - Fee Related CN202754675U (en) | 2012-06-21 | 2012-06-21 | Elevator door knife assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202754675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701053A (en) * | 2012-06-21 | 2012-10-03 | 南通江中光电有限公司 | Elevator door knife assembly |
-
2012
- 2012-06-21 CN CN 201220292661 patent/CN202754675U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102701053A (en) * | 2012-06-21 | 2012-10-03 | 南通江中光电有限公司 | Elevator door knife 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: 20130227 Termination date: 20150621 |
|
| EXPY | Termination of patent right or utility model |