CN104328957A - Anti-one side open type protective guard - Google Patents
Anti-one side open type protective guard Download PDFInfo
- Publication number
- CN104328957A CN104328957A CN201410526024.0A CN201410526024A CN104328957A CN 104328957 A CN104328957 A CN 104328957A CN 201410526024 A CN201410526024 A CN 201410526024A CN 104328957 A CN104328957 A CN 104328957A
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- CN
- China
- Prior art keywords
- keeper
- limited block
- protective guard
- pedal
- cannelure
- 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.)
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- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention relates to an anti-one side open type protective guard, which comprises a fence board and a stand column. The upper part of the fence board front side is provided with a bolt sleeve, which is internally provided with a bolt. The bolt is provided with an annular groove, the stand column is internally equipped with a cavity, the lower part of the stand column's rear end face is provided with a bottom side hole, and one stand column's side opposite to the bolt is provided with a jack. The upper part inside the cavity is provided with a slideway, a limiting stopper is disposed in the slideway, the width of the limiting stopper is smaller than that of the annular groove, the upper end of the limiting stopper is connected to springs, the lower end of the limiting stopper is connected to a stay cable, the lower end of the stay cable is in connection with a pedal located in the bottom side hole, and the back end of the pedal is hinged to a bottom plate of the stand column. The protective guard provided by the invention can effectively prevent misoperation, only when people outside the protective guard cooperates with people inside the protective guard to step on the pedal, the people inside the protective guard can pull the bolt, thus eliminating the use of a lock, and protecting staff in the protective guard, especially the safety of children likely to perform misoperation.
Description
Technical field
The present invention relates to safeguard technical field, specifically a kind of anti-one-sided open-type protective hurdle.
Background technology
Protective guard, as one of conventional safeguard, is widely used in road, bridge, house and mobile device, on train, automobile, steamer.The access place of protective guard is generally provided with the door rotatably opened, the general people of keeper of guardrail can open from side, but in more dangerous place, as the train of movement, automobile etc., the guardrail that can open from side easily easily occurs because the maloperation of people causes guardrail to be opened, have an accident, therefore guardrail pins by the conventional lock of people, when needed guardrail is opened, but this mode not only needs to increase lockset, increase equipment cost, and the frequent locking of lockset is opened and is lost time, reduce operating efficiency, if and key prepares not in time, delay opening in time of guardrail, easily lifesaving is affected in critical situation, in addition, for the guardrail access that magnitude setting is more, lockset key is easily chaotic, be unfavorable for management, easily affect opening in time of guardrail access equally.
Summary of the invention
Easily there is maloperation, the problem that the protective guard locked often can not be opened in time to solve common protective guard, the invention provides a kind of anti-one-sided open-type protective hurdle.
The present invention solves its technical problem and realizes by the following technical solutions:
A kind of anti-one-sided open-type protective hurdle, comprise breast board and column, described breast board forward upper is provided with keeper cover, keeper is provided with in described keeper cover, the left part of described keeper is provided with taper surface, keeper is provided with cannelure, cavity is provided with in described column, column rear end face bottom is provided with bottom side hole, column is provided with the jack coordinated with keeper relative to the side of keeper, described cavity inside upper part is provided with slideway, the limited block that can slide in slideway is provided with in described slideway, the width of described limited block is less than the width of cannelure, so that limited block snaps in cannelure, the upper end of limited block is connected with extension spring, the lower end of limited block is connected with drag-line, the lower end of described drag-line is connected with pedal, and drag-line is connected to the front end of pedal, described pedal is positioned at bottom side hole, the rear end of pedal is hinged on the base plate of column, during use, pushes pedals, rotating around pin joint of the base plate of pedal itself and column, pedal front end pulls drag-line to move down, thus make limited block slide downward in slideway.
The upper end of described limited block is provided with the cambered surface groove coordinated with cannelure, and the radius of curvature of described cambered surface groove is identical with the radius of curvature of cannelure.
The extension spring that described limited block connects has two, and lays respectively at the both sides of cambered surface groove, and extension spring is used for limited block is resetted, and the structure that two extension springs are carried out straining from limited block both sides respectively can to balanced action the movement of limited block.
The bottom surface of described cambered surface groove is concordant with the bottom surface of cannelure, when keeper is entered the cambered surface groove of upper limit position block through jack, due to the bottom surface of cambered surface groove and the bottom surface of cannelure concordant, and the diameter of keeper is greater than the diameter of cannelure, keeper will press limited block downwards, under the effect of extension spring, limited block is keeper upwardly, when limited block is stuck in cannelure, keeper can not be extracted, the left end of described keeper is arc surface, to make keeper be pushed away by limited block downwards, the keeper end of plane is prevented to be pressed on limited block, and the component promoted by limited block can not be produced downwards.
The invention has the beneficial effects as follows: the present invention adopts the two-sided mode opened, list can not open keeper from side, effectively prevent the generation of maloperation, only have when protective guard outside has personnel to coordinate protective guard internal staff to push down on the pedal, protective guard internal staff is stretchy keeper, protective guard is opened, eliminate the use of lockset, protect protective guard internal staff, especially easily there is the safety of the children of maloperation, under inside and outside personnel's compounding practice, open conveniently, when avoiding employing lockset, due to the problem that finding key causes protective guard not open in time.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is forward right side three-dimensional view of the present invention;
Fig. 2 is left rear side three-dimensional view of the present invention;
Fig. 3 is the front view of keeper of the present invention when opening;
Fig. 4 is the front view after keeper of the present invention inserts;
Fig. 5 is the sectional view of Fig. 3 along A-A line;
Fig. 6 is the enlarged drawing of in Fig. 5 I;
Fig. 7 is the three-dimensional view of keeper of the present invention cover;
Fig. 8 is the three-dimensional view of keeper of the present invention.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
As shown in Figures 1 to 8, a kind of anti-one-sided open-type protective hurdle, comprise breast board 1 and column 4, described breast board 1 forward upper is provided with keeper cover 2, keeper 3 is provided with in described keeper cover 2, the left part of described keeper 3 is provided with taper surface 302, keeper 3 is provided with cannelure 301, cavity 4a is provided with in described column 4, column 4 rear end face bottom is provided with bottom side hole 4b, column 4 is provided with the jack 4d coordinated with keeper 3 relative to the side of keeper 3, described cavity 4a inside upper part is provided with slideway 4c, the limited block 7 that can slide in slideway 4c is provided with in described slideway 4c, the width of described limited block 7 is less than the width of cannelure 301, the upper end of limited block 7 is connected with extension spring 6, the lower end of limited block 7 is connected with drag-line 5, the lower end of described drag-line 5 is connected with pedal 8, and drag-line 5 is connected to the front end of pedal 8, described pedal 8 is positioned at bottom side hole 4b, the rear end of pedal 8 is hinged on the base plate of column 4, during use, pushes pedals 8, pedal 8 rotates around pin joint, pedal 8 front end pulls drag-line 5 to move down, thus make limited block 7 slide downward in slideway 4c.
The upper end of described limited block 7 is provided with the cambered surface groove 7a coordinated with cannelure 301, and the radius of curvature of described cambered surface groove 7a is identical with the radius of curvature of cannelure 301.
The extension spring 6 that described limited block 7 connects has two, and lays respectively at the both sides of cambered surface groove 7a, and extension spring 6 resets for making limited block 7, and the structure that two extension springs 6 are carried out straining from limited block 7 both sides respectively can to balanced action the movement of limited block 7.
The bottom surface of described cambered surface groove 7a is concordant with the bottom surface of cannelure 301, during use, when keeper 3 is entered the cambered surface groove 7a of upper limit position block 7 through jack 4d, because the bottom surface of cambered surface groove 7a is concordant with the bottom surface of cannelure 301, and the diameter of keeper 3 is greater than the diameter of cannelure 301, keeper 3 will press downwards limited block 7, under the effect of extension spring 6, limited block 7 is keeper 3 upwardly, when limited block 7 is stuck in cannelure 301, keeper 3 can not be extracted, the left end of described keeper 3 is arc surface, to make keeper 3 be pushed away by limited block 7 downwards, prevent keeper 3 end of plane from killing on limited block 7, when needing the access of opening protective guard, protective guard external staff pushes pedals 8, pedal 8 is utilized to be pulled down by drag-line 5, limited block 7 is pulled downwards, deviate from cannelure 301, thus protective guard internal staff can pull open keeper 3, open protective guard, simple to operate, protection is reliable, after pedal 8 is released, extension spring 6 pulls on limited block 7 and moves reset, to carry out locking next time.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and manual just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. an anti-one-sided open-type protective hurdle, comprise breast board and column, described breast board forward upper is provided with keeper cover, keeper is provided with in described keeper cover, it is characterized in that: the left part of described keeper is provided with taper surface, keeper is provided with cannelure, cavity is provided with in described column, column rear end face bottom is provided with bottom side hole, column is provided with the jack coordinated with keeper relative to the side of keeper, described cavity inside upper part is provided with slideway, limited block is provided with in described slideway, the width of described limited block is less than the width of cannelure, the upper end of limited block is connected with extension spring, the lower end of limited block is connected with drag-line, the lower end of described drag-line is connected with pedal, and drag-line is connected to the front end of pedal, described pedal is positioned at bottom side hole, the rear end of pedal is hinged on the base plate of column.
2. one according to claim 1 prevents one-sided open-type protective hurdle, it is characterized in that: the upper end of described limited block is provided with cambered surface groove, and the radius of curvature of described cambered surface groove is identical with the radius of curvature of cannelure.
3. one according to claim 2 prevents one-sided open-type protective hurdle, it is characterized in that: the extension spring that described limited block connects has two, and lays respectively at the both sides of cambered surface groove.
4. one according to claim 2 prevents one-sided open-type protective hurdle, it is characterized in that: the bottom surface of described cambered surface groove is concordant with the bottom surface of cannelure, and the left end of described keeper is arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526024.0A CN104328957A (en) | 2014-09-30 | 2014-09-30 | Anti-one side open type protective guard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410526024.0A CN104328957A (en) | 2014-09-30 | 2014-09-30 | Anti-one side open type protective guard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104328957A true CN104328957A (en) | 2015-02-04 |
Family
ID=52403754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410526024.0A Pending CN104328957A (en) | 2014-09-30 | 2014-09-30 | Anti-one side open type protective guard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104328957A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030604A (en) * | 2022-06-22 | 2022-09-09 | 杭州华聚环境建设有限公司 | Open large-scale construction site is with enclosing fender structure |
| KR20230009550A (en) * | 2021-07-09 | 2023-01-17 | 이인옥 | Safety workbench installation ladder for railroad industry |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252025A1 (en) * | 2002-11-06 | 2004-05-27 | Klaschka Gmbh & Co | Lock has interrogation head fixed to housing so as to only receive identification signals from transponders fixed to locking bar and holder if locking bar is in closed position and locked by holder |
| CN1796715A (en) * | 2004-12-28 | 2006-07-05 | 郝长岭 | Safe energy saving door window |
| CN1856634A (en) * | 2003-09-22 | 2006-11-01 | 多玛两合有限公司 | Electric or electro-mechanical machine locking device for a door |
| CN201486437U (en) * | 2009-09-11 | 2010-05-26 | 奇立科技有限公司 | Fence structure with single-side door opening function and automatic door returning function |
| CN102094573A (en) * | 2011-01-01 | 2011-06-15 | 李嘉斌 | Self-locking movable guardrail for window |
| CN102224370A (en) * | 2008-11-25 | 2011-10-19 | 皮尔茨公司 | Safety switch for creating a system release signal in dependence on the position of a movable guard door |
| CN204199912U (en) * | 2014-09-30 | 2015-03-11 | 芜湖华强文化科技产业有限公司 | A kind of anti-one-sided open-type protective hurdle |
-
2014
- 2014-09-30 CN CN201410526024.0A patent/CN104328957A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10252025A1 (en) * | 2002-11-06 | 2004-05-27 | Klaschka Gmbh & Co | Lock has interrogation head fixed to housing so as to only receive identification signals from transponders fixed to locking bar and holder if locking bar is in closed position and locked by holder |
| CN1856634A (en) * | 2003-09-22 | 2006-11-01 | 多玛两合有限公司 | Electric or electro-mechanical machine locking device for a door |
| CN1796715A (en) * | 2004-12-28 | 2006-07-05 | 郝长岭 | Safe energy saving door window |
| CN102224370A (en) * | 2008-11-25 | 2011-10-19 | 皮尔茨公司 | Safety switch for creating a system release signal in dependence on the position of a movable guard door |
| CN201486437U (en) * | 2009-09-11 | 2010-05-26 | 奇立科技有限公司 | Fence structure with single-side door opening function and automatic door returning function |
| CN102094573A (en) * | 2011-01-01 | 2011-06-15 | 李嘉斌 | Self-locking movable guardrail for window |
| CN204199912U (en) * | 2014-09-30 | 2015-03-11 | 芜湖华强文化科技产业有限公司 | A kind of anti-one-sided open-type protective hurdle |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230009550A (en) * | 2021-07-09 | 2023-01-17 | 이인옥 | Safety workbench installation ladder for railroad industry |
| KR102542724B1 (en) | 2021-07-09 | 2023-06-12 | 이인옥 | Safety workbench installation ladder for railroad industry |
| CN115030604A (en) * | 2022-06-22 | 2022-09-09 | 杭州华聚环境建设有限公司 | Open large-scale construction site is with enclosing fender structure |
| CN115030604B (en) * | 2022-06-22 | 2023-08-22 | 杭州华聚环境建设有限公司 | Surrounding baffle structure for open type large construction site |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150204 |