CN203559661U - Prying-preventive lock for roller shutter - Google Patents
Prying-preventive lock for roller shutter Download PDFInfo
- Publication number
- CN203559661U CN203559661U CN201320805459.XU CN201320805459U CN203559661U CN 203559661 U CN203559661 U CN 203559661U CN 201320805459 U CN201320805459 U CN 201320805459U CN 203559661 U CN203559661 U CN 203559661U
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- China
- Prior art keywords
- push rod
- lock
- rod
- main
- latch hook
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- Expired - Fee Related
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Abstract
The utility model relates to a prying-preventive lock for a roller shutter. The prying-preventive lock comprises an outer support plate and two inner support plates. The inner support plates are fixedly connected to the outer support plate. An inner lock plate is arranged on inner side of the middle of the outer support plate. A main lock body is arranged on the inner lock plate. Main push-rod sleeves are connected to the left side and the right side of the main lock body respectively. Main push rods are fixedly welded on two sides of the main push-rod sleeves. Fixing columns are arranged on the main push-rod sleeves on two sides respectively. Middle connecting rods and main connecting rods are movably connected to the fixing columns. Middle push rods are hinged to the main connecting rods, and lock hooks are hinged to the middle push rods. Auxiliary push rods are hinged to the main connecting rods. Auxiliary connecting rods are hinged to the other ends of the auxiliary push rods. Fixing support columns are arranged in the middles of the auxiliary connecting rods and are fixedly connected to the inner support plates. Lock-hook push rods are hinged to the other ends of the auxiliary connecting rods, and the lock hooks are hinged to the lock-hook push rods. The lock hooks can hook lock catches fixed on the ground when the prying-preventive lock is locked, so that the objective of prying and theft prevention is achieved; the prying-preventive lock is simple in structure and convenient to use.
Description
Technical field
The utility model relates to a kind of security lock for rolling shutter door, belongs to rolling-gate technical field.
Background technology
Rolling-gate is called again " rolling door ", is to be cascaded with the door sheet of a lot of joint motions, in fixing slideway, centered by the spool of door top, rotates upper and lower door.Rolling-gate is applicable to public place or the houses such as the business shop front, garage, market, hospital, industrial enterprise.Electric rolling door especially door opening is larger, and convenient, fast unlatching effect is played in the place of inconvenient installation ground door body.As for garage door, market Fireproof Rolling Gate hangar door.Traditional rolling-gate is to utilize lock directly to rotate bolt, and the hole on doorframe both sides is inserted at bolt two, for pinning rolling-gate.But this mode is very easy to be prized.
Utility model content
The purpose of this utility model is to provide security lock for rolling shutter door, to protected for rolling-gate better.
To achieve these goals, the technical solution of the utility model is as follows.
A kind of security lock for rolling shutter door, comprises external support board and two inner support plates, and inner support plate is fixedly connected on external support board, and external support board middle part inner side is provided with interior jam plate, is provided with master lock body on interior jam plate; On master lock body, position, the left and right sides is connected with respectively primary push rod cover, and primary push rod overlaps two side positions and is fixedly welded with primary push rod; Both sides primary push rod puts and is provided with fixed leg, is connected with intermediate connecting rod and master connecting-rod on fixed leg; Master connecting-rod upper hinge has middle push rod, and middle push rod hinge has latch hook; Master connecting-rod upper hinge has secondary push rod; Secondary push rod other end hinge has slave connecting rod, and slave connecting rod middle is provided with anchor post, and anchor post is fixedly connected on inner support plate; Slave connecting rod other end hinge has latch hook push rod, and latch hook push rod upper hinge has latch hook.
Further, external support board end positions is fixedly connected with steel pipe socket, and primary push rod is through steel pipe socket.
Further, four jiaos of employing fixed screws of interior jam plate are fixed on external support board inner side.
Above-mentioned utility model in use, is fixedly connected on multiple snap closes on the fixed body of ground, and the latch hook on snap close position and external support board matches.When needs are locked a door for rolling-gate, by master lock body, lock a door, the hole that primary push rod enters into wall through steel pipe socket is locked a door, and meanwhile under the promotion of intermediate connecting rod, the latch hook of middle part enters into the snap close on corresponding ground fixed body, and the latch hook of two side positions also can be under the motion of master connecting-rod, secondary push rod, slave connecting rod, latch hook push rod, enter into the snap close on corresponding ground fixed body, thereby not only can lock a door from both sides, also can utilize latch hook to combine and locked a door with snap close, improve safety.
The beneficial effect of this utility model is: the utility model is made significant improvement on traditional rolling-gate is locked mode, utilize lever principle near the tapered end of rolling-gate, the middle-end at two ends is provided with respectively hook, locking state can catch on hook and is fixed on snap close on the ground, thereby reach pick-proof and antitheft object, and simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is equipment therefor structural representation in the utility model embodiment.
Description of symbols in figure: 1, external support board; 2, interior jam plate; 3, master lock body; 4, intermediate connecting rod; 5, fixed screw; 6, primary push rod cover; 7, anchor post; 8, primary push rod; 9, inner support plate; 10, steel pipe socket; 11, ground fixed body; 12, latch hook; 13, snap close; 14, latch hook push rod; 15, slave connecting rod; 16, master connecting-rod; 17, secondary push rod; 18, middle push rod.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described, to better understand the utility model.
Security lock for rolling shutter door as shown in Figure 1, comprises external support board 1 and two inner support plates 9, and inner support plate 9 is fixedly connected on external support board 1, and external support board 1 middle part inner side is provided with interior jam plate 2, on interior jam plate 2, is provided with master lock body 3; On master lock body 3, position, the left and right sides is connected with respectively primary push rod cover 6, and 6 liang of side positions of primary push rod cover are fixedly welded with primary push rod 8; On both sides primary push rod cover 6, be provided with fixed leg, on fixed leg, be connected with intermediate connecting rod 4 and master connecting-rod 16; Master connecting-rod 16 upper hinges have middle push rod 18, and middle push rod 18 hinges have latch hook 12; Master connecting-rod 16 upper hinges have secondary push rod 17; Secondary push rod 17 other end hinges have slave connecting rod 15, and slave connecting rod 15 middles are provided with anchor post 7, and anchor post 7 is fixedly connected on inner support plate 9; Slave connecting rod 15 other end hinges have latch hook push rod 14, and latch hook push rod 14 upper hinges have latch hook 12.External support board 1 end positions is fixedly connected with steel pipe socket 10, and primary push rod 8 is through steel pipe socket 10.2 four jiaos of employing fixed screws 5 of interior jam plate are fixed on external support board 1 inner side.
Above-mentioned utility model in use, is fixedly connected on multiple snap closes 13 on ground fixed body 11, and the latch hook 12 on snap close 13 positions and external support board 1 matches.When needs are locked a door for rolling-gate, by master lock body 3, lock a door, the hole that primary push rod 8 enters into wall through steel pipe socket 10 is locked a door, and meanwhile under the promotion of intermediate connecting rod 4, the latch hook 12 of middle part enters into the snap close 13 on corresponding ground fixed body 11, and the latch hook 12 of two side positions also can be at master connecting-rod 16, secondary push rod 17, slave connecting rod 15, under the motion of latch hook push rod 14, enter into the snap close 13 on corresponding ground fixed body 11, thereby not only can lock a door from both sides, also can utilize latch hook 12 to combine and locked a door with snap close 13, improve safety.
The above is preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications are also considered as protection domain of the present utility model.
Claims (3)
1. a security lock for rolling shutter door, comprise external support board and two inner support plates, inner support plate is fixedly connected on external support board, external support board middle part inner side is provided with interior jam plate, on interior jam plate, be provided with master lock body, it is characterized in that: on described master lock body, position, the left and right sides is connected with respectively primary push rod cover, described primary push rod overlaps two side positions and is fixedly welded with primary push rod; Both sides primary push rod puts and is provided with fixed leg, is connected with intermediate connecting rod and master connecting-rod on described fixed leg; Described master connecting-rod upper hinge has middle push rod, and described middle push rod hinge has latch hook; Described master connecting-rod upper hinge has secondary push rod; Described secondary push rod other end hinge has slave connecting rod, and described slave connecting rod middle is provided with anchor post, and described anchor post is fixedly connected on inner support plate; Described slave connecting rod other end hinge has latch hook push rod, and described latch hook push rod upper hinge has latch hook.
2. security lock for rolling shutter door according to claim 1, is characterized in that: described external support board end positions is fixedly connected with steel pipe socket.
3. security lock for rolling shutter door according to claim 1, is characterized in that: four jiaos of employing fixed screws of described interior jam plate are fixed on external support board inner side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805459.XU CN203559661U (en) | 2013-11-30 | 2013-11-30 | Prying-preventive lock for roller shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320805459.XU CN203559661U (en) | 2013-11-30 | 2013-11-30 | Prying-preventive lock for roller shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559661U true CN203559661U (en) | 2014-04-23 |
Family
ID=50509392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320805459.XU Expired - Fee Related CN203559661U (en) | 2013-11-30 | 2013-11-30 | Prying-preventive lock for roller shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930677A (en) * | 2017-04-20 | 2017-07-07 | 河北爵程安防设备有限公司 | Rolling screen door land used lock construction |
| CN108868565A (en) * | 2018-07-29 | 2018-11-23 | 利辛县盈德纱网有限公司 | A kind of screen window of child high security |
-
2013
- 2013-11-30 CN CN201320805459.XU patent/CN203559661U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930677A (en) * | 2017-04-20 | 2017-07-07 | 河北爵程安防设备有限公司 | Rolling screen door land used lock construction |
| CN106930677B (en) * | 2017-04-20 | 2018-10-19 | 河北爵程安防设备有限公司 | Rolling screen door land used lock construction |
| CN108868565A (en) * | 2018-07-29 | 2018-11-23 | 利辛县盈德纱网有限公司 | A kind of screen window of child high security |
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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: 20140423 Termination date: 20151130 |
|
| EXPY | Termination of patent right or utility model |