CN2841887Y - Anti-theft lock for inspection well cover - Google Patents
Anti-theft lock for inspection well cover Download PDFInfo
- Publication number
- CN2841887Y CN2841887Y CN 200520077611 CN200520077611U CN2841887Y CN 2841887 Y CN2841887 Y CN 2841887Y CN 200520077611 CN200520077611 CN 200520077611 CN 200520077611 U CN200520077611 U CN 200520077611U CN 2841887 Y CN2841887 Y CN 2841887Y
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- CN
- China
- Prior art keywords
- lock
- slingshot
- key
- pellet shot
- lock core
- 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
A kind of anti-theft lock for inspection well cover, comprise lock body and key, lock body is by cover plate, sheath, lock core, lock housing, connector, dead bolt and the base plate and the support of fixedlying connected with the inspection shaft lid are formed, the pellet shot from a slingshot that back-moving spring is installed in the lock housing and has magnetic, have on the outer wall of lock core and the corresponding groove of this pellet shot from a slingshot, the part of pellet shot from a slingshot is arranged in lock housing, another part is positioned at the groove of lock core, cover plate is sleeved on the lock core, one end and the cover plate of connector are hinged, the other end is fixedlyed connected with dead bolt, and dead bolt is rack-mount, and lock housing is fixedlyed connected with base plate, sheath is sleeved on the lock housing, and fixedly connected with lock housing, an end of back-moving spring is against on the sheath, and the other end is against on the pellet shot from a slingshot; The lower end of key is fixed with the magnet identical with pellet shot from a slingshot polarity, has the head of stirring on the key, has on the inwall of lock core with this and stirs a corresponding groove.The utility model utilization is with the magnetic principle of repelling each other, and key can't duplicate, and is safe and reliable, and simple in structure, easy to install.
Description
Technical field
The utility model relates to a kind of lockset, specifically, relates to a kind of anti-theft lock for inspection well cover.
Background technology
The stolen phenomenon of inspection shaft lid on the town road happens occasionally at present, and driving and pedestrian's safety in serious harm.For this reason, many inventors have designed the lock of inspection shaft lid, but these lock most structure more complicated, and antiseptic property is poor, and application life is short.Particularly key duplicates easily, is caused opportunity by the people of pilferage easily, still has potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of simple in structure, safe and reliable, and anti-theft lock for inspection well cover easy to install.
The technical scheme that realizes above-mentioned purpose is: a kind of anti-theft lock for inspection well cover, comprise lock body and key, lock body is by cover plate, sheath, lock core, lock housing, connector, dead bolt and the base plate and the support of fixedlying connected with the inspection shaft lid are formed, the pellet shot from a slingshot that back-moving spring is installed in the lock housing and has magnetic, have on the outer wall of lock core and the corresponding groove of this pellet shot from a slingshot, the part of pellet shot from a slingshot is arranged in lock housing, another part is positioned at the groove of lock core, cover plate is sleeved on the lock core, one end and the cover plate of connector are hinged, the other end is fixedlyed connected with dead bolt, and dead bolt is rack-mount, and lock housing is fixedlyed connected with base plate, sheath is sleeved on the lock housing, and fixedly connected with lock housing, an end of back-moving spring is against on the sheath, and the other end is against on the pellet shot from a slingshot; The lower end of key is fixed with the magnet identical with pellet shot from a slingshot polarity, has the head of stirring on the key, has on the inwall of lock core with this and stirs a corresponding groove.
After adopting technique scheme, because the pellet shot from a slingshot that back-moving spring is installed in the lock housing and has magnetic, and the lower end of key is fixed with the magnet identical with pellet shot from a slingshot polarity, after key inserts lock core, the magnet of key lower end is identical owing to polarity with pellet shot from a slingshot, produce and repel, pellet shot from a slingshot overcomes the active force indentation lock housing of spring under the effect of magnetic force, this moment, key can drive the lock core rotation, lock core drives cover cover plate thereon again and reverses, cover plate drives dead bolt by junction plate and inserts Seat for manhole cover circle lower edge, so the inspection shaft lid just can be lockable.The utility model adopts the same magnetic principle of repelling each other, and calculates lock of key of non-row through computer, and safe and reliable, key can't duplicate, and level security is strong.In addition, of the present utility model simple in structure, easy for installation, open flexibly, need only be unlatching with being rotated counterclockwise 45 ° in the special key insertion lockhole, turn clockwise again 45 ° and just can close.
Description of drawings
Fig. 1 is installed on the structural representation that inspection shaft covers for the utility model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the A-A cross-sectional schematic of Fig. 1;
Fig. 4 looks sectional view for the master of base plate of the present utility model;
Fig. 5 is the elevational schematic view of Fig. 4;
Fig. 6 is the structural representation of lock core of the present utility model;
Fig. 7 is the B-B cross-sectional schematic of Fig. 6;
Fig. 8 is the structural representation of lock housing of the present utility model;
Fig. 9 is the C-C cross-sectional schematic of Fig. 8;
Figure 10 structure of cover plate schematic diagram of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Shown in Fig. 1～10, a kind of anti-theft lock for inspection well cover, comprise lock body and key, lock body is by cover plate 5, sheath 2, lock core 3, lock housing 4, connector 6, dead bolt 14 and with basement and cover 8 base plates of fixedlying connected 1 and support 15 is formed, the pellet shot from a slingshot 10 that back-moving spring 11 is installed in the lock housing 4 and has magnetic, have on lock core 3 outer walls and this pellet shot from a slingshot 10 corresponding groove 3-1, the part of pellet shot from a slingshot 10 is arranged in lock housing 4, another part is positioned at the groove of lock core 3, cover plate 5 is sleeved on the lock core 3, and an end of connector 6 is hinged by hinging supporting shaft and cover plate 5, and the other end is fixedlyed connected with dead bolt 14, dead bolt 14 is installed on the support 15, lock housing 4 is fixedlyed connected with base plate 1 by screw, and sheath 2 is sleeved on the lock housing 4, and fixedlys connected with lock housing 4 by screw, one end of back-moving spring 11 is against on the sheath 2, and the other end is against on the pellet shot from a slingshot 10; The lower end of key 7 is fixed with the magnet 7-3 identical with pellet shot from a slingshot 10 polarity, has on the key 7 and stirs a 7-1, has on the inwall of lock core 3 with this and stirs the corresponding groove of a 7-1.Dead bolt 14 is made by two metal shaft.Connector 6 is made by two sheet metals.
The back-moving spring 11 in the lock housing 4 and the number of pellet shot from a slingshot 10 are installed again can be selected as required.The number of pellet shot from a slingshot is many more, and different keys that can layout are many more.
As shown in Figure 3, the position stir a 7-1 is installed on the key 7 has blind hole, have spring 7-2 in this blind hole, the end of spring 7-2 with stir a 7-1 and be connected, the other end is against bottom the blind hole, the rear portion of stirring a 7-1 is positioned at blind hole, blind hole is stretched out in the front portion.After adopting this structure, it is very convenient that key 7 is inserted lockhole, when down inserting, stir in the blind hole of 7-1 indentation key bar, stir 7-1 and arrive on the lock core 3 behind the corresponding groove, the head of stirring a 7-1 stretches out the blind hole on the key bar, enters corresponding groove 3-3 on the lock core 3.Screw key 7 can drive lock core 3 and rotated together this moment.Adopt this structure can be very easily key 7 to be inserted lockholes, insert key again after need not to search out earlier the groove 3-3 on the lock core 3, use more convenient.
As shown in Figure 3, on the outer wall of lock housing 4 sealing ring 12 is installed.Sealing ring 9 is installed on the outer wall of lock core 3.Adopt sealing ring 12 and sealing ring 9 can prevent that sealing, moisture enter in the groove of lock housing 4, thereby prevent that back-moving spring 11 and pellet shot from a slingshot 10 in the lock housing from getting rusty, prevent lock core 3 corrosion, the application life of improving lock housing 4 and lock core 3.
Shown in Fig. 6,7,10, the lower end of lock core 3 is flat filament bar 3-2, has the profiled holes 5-1 that cooperates with this flat filament bar 3-1 on the cover plate 5.Adopt this structure, lock core 3 can directly drive cover plate 5 and reverse, and need not by means of flat key, and is simple in structure, installs also very convenient.
Operating principle of the present utility model is as follows: after key 7 inserts lock core 3, the magnet 7-3 of key 7 lower ends is identical owing to polarity with pellet shot from a slingshot 10, produce and repel, pellet shot from a slingshot 10 overcomes the active force indentation lock housing 4 of back-moving spring 11 under the effect of magnetic force, this moment, key 7 can drive lock core 3 rotations, lock core 3 drives cover cover plate 5 thereon again and reverses, and cover plate 5 drives dead bolt 14 by junction plate 6 and inserts Seat for manhole cover circle 13 lower edges, so inspection shaft lid 8 just can be lockable.Counter-rotating key 7, key 7 drive lock core 3 counter-rotatings, and lock core 3 drives cover plate 5 again and reverses in the other direction, and cover plate 5 drives dead bolt 14 from the withdrawal of Seat for manhole cover circle 13 lower edges by junction plate 6, just can take out inspection shaft lid 8 this moment.
Claims (5)
1, a kind of anti-theft lock for inspection well cover comprises lock body and key (7), it is characterized in that:
A, lock body is by cover plate (5), sheath (2), lock core (3), lock housing (4), connector (6), dead bolt (14) and the base plate (1) and the support (15) of fixedlying connected with the inspection shaft lid are formed, the pellet shot from a slingshot (10) that back-moving spring (11) is installed in the lock housing (4) and has magnetic, have and the corresponding groove of this pellet shot from a slingshot (10) (3-1) on lock core (3) outer wall, the part of pellet shot from a slingshot (10) is arranged in lock housing (4), another part is positioned at the groove of lock core (3), cover plate (5) is sleeved on the lock core (3), one end of connector (6) and cover plate (5) are hinged, the other end is fixedlyed connected with dead bolt (14), dead bolt (14) is installed on the support (15), lock housing (4) is fixedlyed connected with base plate (1), sheath (2) is sleeved on the lock housing (4), and fixedly connected with lock housing (4), one end of back-moving spring (11) is against on the sheath (2), and the other end is against on the pellet shot from a slingshot (10);
The lower end of b, key (7) is fixed with the magnet (7-3) identical with pellet shot from a slingshot (10) polarity, has on the key (7) to stir head (7-1), has on the inwall of lock core (3) with this and stirs head (7-1) corresponding groove.
2, anti-theft lock for inspection well cover according to claim 1, it is characterized in that: key (7) is upward installed the position of stirring head (7-1) and is had blind hole, has spring (7-2) in this blind hole, one end of spring (7-2) with stir the head (7-1) be connected, the other end is against the blind hole bottom, the rear portion of stirring head (7-1) is positioned at blind hole, and blind hole is stretched out in the front portion.
3, anti-theft lock for inspection well cover according to claim 1 and 2 is characterized in that: sealing ring (12) is installed on the outer wall of lock housing (4).
4, anti-theft lock for inspection well cover according to claim 1 and 2 is characterized in that: sealing ring (9) is installed on the outer wall of lock core (3).
5, anti-theft lock for inspection well cover according to claim 1 and 2 is characterized in that: the lower end of lock core (3) is flat filament bar (3-2), has the profiled holes (5-1) that cooperates with this flat filament bar (3-1) on the cover plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077611 CN2841887Y (en) | 2005-11-11 | 2005-11-11 | Anti-theft lock for inspection well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520077611 CN2841887Y (en) | 2005-11-11 | 2005-11-11 | Anti-theft lock for inspection well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2841887Y true CN2841887Y (en) | 2006-11-29 |
Family
ID=37445774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520077611 Expired - Fee Related CN2841887Y (en) | 2005-11-11 | 2005-11-11 | Anti-theft lock for inspection well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2841887Y (en) |
-
2005
- 2005-11-11 CN CN 200520077611 patent/CN2841887Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061129 Termination date: 20091211 |