CN2212046Y - Gear rack type safety door lock - Google Patents
Gear rack type safety door lock Download PDFInfo
- Publication number
- CN2212046Y CN2212046Y CN 94235661 CN94235661U CN2212046Y CN 2212046 Y CN2212046 Y CN 2212046Y CN 94235661 CN94235661 CN 94235661 CN 94235661 U CN94235661 U CN 94235661U CN 2212046 Y CN2212046 Y CN 2212046Y
- Authority
- CN
- China
- Prior art keywords
- dead bolt
- door lock
- lock according
- utility
- model
- 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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Abstract
The utility model relates to a door lock, particularly a door lock for two-leaf doors. The utility model is a new door lock whose lock tongue can extend by a sufficient length, and the utility model which is provided with a safety device has the functions of shifting prevention, prizing prevention, sawing prevention and safety. A well-known door lock comprises a lock head, a stop head, a lock tongue and a device connected with a connecting rod on the lock head, wherein, the device enables the lock tongue to move. The utility model is characterized in that the lock tongue of the utility model is a rack bar type lock tongue 1.
Description
The utility model relates to a kind of door lock, especially the door lock of two fan door usefulness.
At present, known door lock have tapered end, meet and discuss, dead bolt with link to each other with connecting rod on the tapered end and can make the device of dead bolt motion.Its ubiquitous problem and shortcoming be, dead bolt can not stretch out sufficiently long length, so be struck easily and prize, two fan door times spent especially, is struck and prizes easilier, thereby do not reach antitheft purpose.
The purpose of this utility model is to overcome weak point in the above-mentioned prior art, and provide a kind of dead bolt extended sufficiently long length, and has safeties, have anti-ly dial, the new-type door lock of pick-proof, anti-saw and insurance function.
The purpose of this utility model can reach by following measure: known door lock, have tapered end, meet and discuss, dead bolt with link to each other with connecting rod on the tapered end and can make the device of dead bolt motion.Its improvements are that dead bolt is a rack-and-pinion dead bolt 1.
Can also reach by following measure: link to each other with connecting rod on the tapered end and the gear 3 that the device of dead bolt motion is had establish gear shaft 11 with link to each other with connecting rod 5 on the tapered end 7 and be provided with the gear shaft 18 of throwing pivot pin 10.
Can also reach by following measure: this dead bolt 1 is a spur rack formula dead bolt.
Can also reach by following measure: this dead bolt 1 is the spur rack formula dead bolt that has some grooves point-blank.
Can also reach by following measure: the tooth of this gear 3 can be packed in the groove of this dead bolt 1.
Can also reach by following measure: this dead bolt 1 is provided with interior handle 9.
Can also reach by following measure: it also has the safeties that dead bolt 1 is fixed.
Can also reach by following measure: these safeties are mounted in support 19 and are provided with pin 12 and can pack into safety plug 4 in dead bolt 1 groove and the spring 13 that safety plug 4 is resetted.
Can also reach by following measure: this pin is provided with 12 shells that pass 17 in the L shaped hole 21 that handle 12 is fixed.
Can also reach by following measure: be installed in sleeve 20 that the dead bolt 1 on the base plate 2 passes have can make in the elongated hole 22 that moves of handle 9.
The utility model compared with prior art has following advantage and actual effect: because this dead bolt is the rack-and-pinion dead bolt, so dead bolt can stretch out sufficiently long length, this lockset have anti-ly dial, pick-proof and prevent advantage such as saw; Again owing to having safeties, so have insurance function.
Accompanying drawing and drawing are described as follows:
Fig. 1, structural representation of the present utility model;
Fig. 2, the A-A sectional view;
Fig. 3, stereogram of the present utility model.
1, dead bolt, 2, base plate, 3, gear, 4, safety plug, 5, key, 6, decorative panel, 7, tapered end, 8, screw, 9, interior handle, 10, throw pivot pin, 11, the gear gear shaft, 12, the safety plug handle, 13, back-moving spring, 14, lock flower core, 15, connecting rod, 16, the gear support plate, 17, shell, 18, gear shaft, 19, support, 20, sleeve, 21, L shaped fixing hole, 22, elongated hole.
The utility model is described in further detail below in conjunction with accompanying drawing embodiment: dead bolt 1 is to be made by the high-quality steel through Quenching Treatment, pass sleeve 20 and be cylinder, handle 9 in being provided with near sleeve 20 1 sides, the side that links to each other with gear 3 has at the equally distributed some cylinder shape grooves of straight line, can be with gear 3 motions, also can be with interior handle 9 motions, the gear of gear 3 can be packed in its groove, safety plug 4 also can be packed in its groove, the one side is positioned at sleeve 20, and its opposite side is positioned at base plate 2 one sides.Gear 3 is provided with gear shaft 11, and is installed on the support plate 16 throwing pivot pin one side, and gear shaft 18 passes gear 3 centers.Gear shaft 18 is provided with throws pivot pin 10, and the one end links to each other with the connecting rod 15 of tapered end 7, and gear shaft 18 rotates with connecting rod 15, and gear shaft 18 rotation driven gears 3 rotate.Safeties are by having pin 12 safety plug 4 and spring 13 that safety plug 4 is resetted to be constituted, and safety plug 4 is installed on the support 19, and support 19 is the U font, safety plug 4 pass spring 13 be installed in pin 12 and leg of support between.Shell 17 covers on gear 3 and the safety plug 4, has on it to make pin 12 fixing holes 21, and this hole 21 is L-shaped.All the other are known technology for the utility model, so seldom narration.
The utility model using method is as follows: extracting the groove of safety plug 4 from dead bolt 1, close door, allow dead bolt 1 aim at and meet and discuss, key 5 just can be locked the door; If put down safety plug 4, even there is key can not open the door outdoors.Key 5 is opened door, in door, by handle 9 in spurring, in dead bolt 1 being entered meet and discuss, just can lock the door; If put down safety plug 4, even there is key 5 can not open the door outdoors.
Claims (10)
1, a kind of door lock, the device that have tapered end, meet and discuss, dead bolt and link to each other with connecting rod on the tapered end and can make the dead bolt motion is characterized in that this dead bolt is rack-and-pinion dead bolt (1).
2, door lock according to claim 1, it is characterized in that connecting rod said and on the tapered end links to each other and the gear (3) that the device of dead bolt motion is had establish gear shaft (11) with link to each other with connecting rod (5) on the tapered end (7) and be provided with the gear shaft (18) of throwing pivot pin (10).
3, door lock according to claim 1 is characterized in that this dead bolt (1) is a spur rack formula dead bolt.
4, door lock according to claim 3 is characterized in that this dead bolt (1) is the spur rack formula dead bolt that has some grooves point-blank.
5, according to claim 2 or 3 or 4 described door locks, the tooth that it is characterized in that this gear (3) can be packed in the groove of this dead bolt (1).
6, door lock according to claim 4 is characterized in that this dead bolt (1) is provided with interior handle (9).
7, door lock according to claim 1 is characterized in that also having the safeties that can make dead bolt (1) fixing.
8, door lock according to claim 7 is characterized in that these safeties are mounted in support (19) and are provided with pin safety plug (4) in (12) and dead bolt (1) groove of can packing into and the spring (13) that safety plug (4) is resetted.
9, door lock according to claim 8 is characterized in that the shell (17) that this handle (12) passes is provided with the L shaped hole (21) that pin is fixed to (12).
10, door lock according to claim 1 is characterized in that being installed in the sleeve (20) that the dead bolt (1) on the base plate (2) passes and has the elongated hole (22) that interior handle (9) is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235661 CN2212046Y (en) | 1994-10-27 | 1994-10-27 | Gear rack type safety door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94235661 CN2212046Y (en) | 1994-10-27 | 1994-10-27 | Gear rack type safety door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2212046Y true CN2212046Y (en) | 1995-11-08 |
Family
ID=33843861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94235661 Expired - Fee Related CN2212046Y (en) | 1994-10-27 | 1994-10-27 | Gear rack type safety door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2212046Y (en) |
-
1994
- 1994-10-27 CN CN 94235661 patent/CN2212046Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |