CN204960659U - Liftable threshold backing plate - Google Patents
Liftable threshold backing plate Download PDFInfo
- Publication number
- CN204960659U CN204960659U CN201520681265.2U CN201520681265U CN204960659U CN 204960659 U CN204960659 U CN 204960659U CN 201520681265 U CN201520681265 U CN 201520681265U CN 204960659 U CN204960659 U CN 204960659U
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- China
- Prior art keywords
- backing plate
- threshold
- liftable
- utility
- arc limit
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- 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.)
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- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The utility model discloses a belong to the liftable threshold backing plate that the people's air defense door promoted the instrument scope. This threshold backing plate is half crescent to set up the arc limit that central angle theta is 99 degrees greatly in front, it has the constant head tank to open in the middle of the arc limit. Mounting bracket below the backing plate, it has the lifter connecting hole to open to connect the lifter. The utility model discloses a threshold backing plate can rise, reaches to flush with the door frame mud sill, and the personnel of being convenient for, vehicle pass through, also can fall the backing plate, then close the door leaf, and effectual water and the dust and sand of preventing get into. (B /)
Description
Technical field
The utility model belongs to closed guard gate's hoisting tool scope, particularly the liftable threshold backing plate of one.
Background technology
The outlet of civil air defense constructions and installations must install protective door, door leaf is placed in outside doorframe, and in order to anti-sealing and sand and dust enter, doorframe mud sill is often above the ground level, when protective door is closed, water and sand and dust can not enter in door, but when opening door leaf, threshold will affect personnel, vehicle pass-through, particularly vehicle cannot pass through, therefore the outer necessary backing plate of threshold, reaches and flushes with doorframe mud sill, and personnel, vehicle could pass through smoothly.
Utility model content
The purpose of this utility model enters in order to anti-sealing and sand and dust for the protective door of civil air defense constructions and installations in prior art, doorframe mud sill is often above the ground level, when protective door is closed, water and sand and dust can not enter in door, but when opening door leaf, threshold will affect the deficiency of personnel, vehicle pass-through, a kind of liftable threshold backing plate is proposed, it is characterized in that, described threshold backing plate is half moon, and greatly to arrange central angle θ be in front 99
.arc limit, has locating slot in the middle of arc limit.
Analog bracket below described threshold backing plate, has elevating lever connecting hole, and connects elevating lever.
The beneficial effects of the utility model are that backing plate can rise, and reach and flush with doorframe mud sill, be convenient to personnel, vehicle pass-through, also backing plate can be fallen, then close door leaf, and effective anti-sealing and sand and dust enter.
Accompanying drawing explanation
Fig. 1 is threshold backing structure schematic diagram.
Fig. 2 is A direction view.
Detailed description of the invention
The utility model proposes a kind of liftable threshold backing plate, below in conjunction with accompanying drawing, the utility model is explained.
In the backing structure of threshold shown in Fig. 1, Fig. 2 schematic diagram, threshold backing plate 1 is half moon, and arranges the arc limit that central angle θ is 99 degree in front greatly, has locating slot 2 in the middle of arc limit; Threshold backing plate 1 is analog bracket 4 below, has elevating lever connecting hole 3, and connects elevating lever 5.
Threshold backing plate of the present utility model can rise, and reaches and flushes with doorframe mud sill, is convenient to personnel, vehicle pass-through, also threshold backing plate can be fallen, then close door leaf, and effective anti-sealing and sand and dust enter.
Claims (2)
1. a liftable threshold backing plate, is characterized in that, described threshold backing plate is half moon, and arranges the arc limit that central angle θ is 99 degree in front greatly, has locating slot in the middle of arc limit.
2. a kind of liftable threshold backing plate according to claim 1, it is characterized in that, analog bracket below described threshold backing plate, has elevating lever connecting hole, and connects elevating lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681265.2U CN204960659U (en) | 2015-09-06 | 2015-09-06 | Liftable threshold backing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520681265.2U CN204960659U (en) | 2015-09-06 | 2015-09-06 | Liftable threshold backing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204960659U true CN204960659U (en) | 2016-01-13 |
Family
ID=55055732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520681265.2U Active CN204960659U (en) | 2015-09-06 | 2015-09-06 | Liftable threshold backing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204960659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477004A (en) * | 2021-12-29 | 2022-05-13 | 河南民生特种装备有限公司 | Lifting platform, control method and application |
-
2015
- 2015-09-06 CN CN201520681265.2U patent/CN204960659U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477004A (en) * | 2021-12-29 | 2022-05-13 | 河南民生特种装备有限公司 | Lifting platform, control method and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |