CN202627655U - Doorknob locking device for maintenance door - Google Patents
Doorknob locking device for maintenance door Download PDFInfo
- Publication number
- CN202627655U CN202627655U CN 201220214976 CN201220214976U CN202627655U CN 202627655 U CN202627655 U CN 202627655U CN 201220214976 CN201220214976 CN 201220214976 CN 201220214976 U CN201220214976 U CN 201220214976U CN 202627655 U CN202627655 U CN 202627655U
- Authority
- CN
- China
- Prior art keywords
- door
- locking device
- handle
- latch
- inner handle
- 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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Abstract
The utility model discloses a doorknob locking device for a maintenance door, comprising an outer handle, a door assembly and an inner handle, wherein the outer handle is fixedly connected with the inner handle via a square shaft which penetrates through the door assembly; the square shaft penetrates through the inner handle and is fixedly sleeved with a latch which plays a role of clamping and a nut assembly which plays a role of fixedly clamping the latch on an extended end at the outer side of the inner handle; the latch is in clamping fit with a bolt; and the latch is an inclined plane structure with a narrow top and a wide bottom at one side at which the latch is in clamping fit with the bolt. According to the utility model, the problems existing in the prior art are solved; the doorknob locking device disclosed by the utility model is simple in structure and easy to manufacture, simultaneously, the service life of the locking device for sealing a door is effectively prolonged, and the latch and the bolt can be realized to be of the same use period with the door and free from replacement; and the doorknob locking device is simple and convenient in operation, and effectively saves and controls the cost.
Description
Technical field
The utility model relates to a kind of locking device, is specifically related to a kind of access door and uses the door handle locking device.
Background technology
In main equipment, all can be provided with several access doors, so that overhaul later on and usefulness when maintaining machinery, general access door, no matter inward or outward opening door, door is fastened generally and directly is contained on the operating grip, directly contacts with sealing surface, rotates through handle and controls.After time grown, the wearing and tearing of fastening can occur, airtight not firm situation occur along with door.
The utility model content
The purpose of utility model: for addressing the above problem, the utility model is novel to provide a kind of access door rational in infrastructure, long service life to use the door handle locking device.
Technical scheme: for achieving the above object, the utility model adopts following technical scheme:
A kind of access door is used the door handle locking device; Comprise outdoor handle, door assembly and inner handle; Said outdoor handle is fixedly connected through the square shaft that runs through door assembly with inner handle; Square shaft passes inner handle fixed cover on the elongated end in the inner handle outside and has been connected to the lock bolt of clamping action and has worked the nut assembly that fixes to clamp lock bolt, lock bolt and keeper clamping engagement, and said lock bolt is up-narrow and down-wide ramp structure in the side with the keeper clamping engagement.
Beneficial effect: the utility model is simple in structure; Be easy to make, effectively prolonged the application life of sealed door locking device simultaneously, lock bolt and door fasten can accomplish with operating period consistent and needn't change; Simultaneously easy and simple to handle, effectively practice thrift and controlled cost.
Description of drawings
Accompanying drawing is the structural representation of the utility model.
The specific embodiment
Use the door handle locking device like a kind of access door shown in the drawings; Comprise outdoor handle 1, door assembly 2 and inner handle 3; Said outdoor handle 1 is fixedly connected through the square shaft 4 that runs through door assembly with inner handle 3; Square shaft 4 passes inner handle 3 fixed cover on the elongated end in inner handle 3 outsides and has been connected to the lock bolt 5 of clamping action and has worked the nut assembly 6 that fixes to clamp lock bolt 5, lock bolt and keeper clamping engagement, and said lock bolt 5 is up-narrow and down-wide ramp structure in the side with keeper 7 clamping engagement.
Claims (1)
1. an access door is used the door handle locking device; Comprise outdoor handle, door assembly and inner handle; It is characterized in that: said outdoor handle is fixedly connected through the square shaft that runs through door assembly with inner handle; Square shaft passes inner handle fixed cover on the elongated end in the inner handle outside and has been connected to the lock bolt of clamping action and has worked the nut assembly that fixes to clamp lock bolt, lock bolt and keeper clamping engagement, and said lock bolt is up-narrow and down-wide ramp structure in the side with the keeper clamping engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214976 CN202627655U (en) | 2012-05-15 | 2012-05-15 | Doorknob locking device for maintenance door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220214976 CN202627655U (en) | 2012-05-15 | 2012-05-15 | Doorknob locking device for maintenance door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202627655U true CN202627655U (en) | 2012-12-26 |
Family
ID=47380864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220214976 Expired - Lifetime CN202627655U (en) | 2012-05-15 | 2012-05-15 | Doorknob locking device for maintenance door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202627655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823370A (en) * | 2018-05-09 | 2018-11-16 | 湖北新华光信息材料有限公司 | A kind of door latch structure of the locking function of band |
-
2012
- 2012-05-15 CN CN 201220214976 patent/CN202627655U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108823370A (en) * | 2018-05-09 | 2018-11-16 | 湖北新华光信息材料有限公司 | A kind of door latch structure of the locking function of band |
| CN108823370B (en) * | 2018-05-09 | 2020-02-07 | 湖北新华光信息材料有限公司 | Door lock structure with clamping function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |