CN2861409Y - Lock for protection forest type cover of inspection well and labyrinth type key thereof - Google Patents
Lock for protection forest type cover of inspection well and labyrinth type key thereof Download PDFInfo
- Publication number
- CN2861409Y CN2861409Y CN 200520143661 CN200520143661U CN2861409Y CN 2861409 Y CN2861409 Y CN 2861409Y CN 200520143661 CN200520143661 CN 200520143661 CN 200520143661 U CN200520143661 U CN 200520143661U CN 2861409 Y CN2861409 Y CN 2861409Y
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- Prior art keywords
- lock
- locking bolt
- elasticity locking
- leading flank
- protection
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Abstract
The utility model discloses a protection-forest catch basin cover burglarproof lock and a labyrinth key whereof. The elastic set bar is in the chute on the back of a lock shell, a return spring is between the lock base and the lock shell, a number of lower guard piles are arranged on the lock shell which is under the protection space in the middle of the lock shell, a number of upper guard piles are arranged on the undersurface of the lock base which is above the protection space, and protection forest is formed. The stirring groove on the leading flank of the elastic set bar has a baffle, stirring piece of key is vertically coupled with the bottom of the column handle, the upper and lower side face of the stirring piece separately has upper and lower groove which matches the upper and lover guard piles, side groove on the front end face of the stirring piece matches the baffle, the labyrinth key can stir the elastic set bar through the upper/lower guard piles and the baffle. The utility model is novel in design, simple in structure, good in the burglarproof performance, thereby is suitable for the burglarproof of all specifications of catch basin covers, and has good social and economic benefit.
Description
One. technical field: the utility model relates to a kind of theftproof lock and key thereof, particularly relates to a kind of protection forest type inspection well cover antitheft lock and labyrinth key thereof.
Two. background technology: traditional inspection shaft lid is cast iron type, it directly covers on walling crib, and well lid and walling crib are separate type, easy stolen robbery walks, thereby bring danger for traffic and pedestrian, the annual car crash incident that causes because well lid loses of China is countless, causes huge misery and economic loss.At this situation, people adopt two kinds of anti-theft measures: the one, between inspection shaft lid and walling crib, add a connector, and as pivot pin, iron chains etc., but this theftproof performance is very low, and the robber can destroy connector and steal the inspection shaft lid; The 2nd, between inspection shaft lid and walling crib, install theftproof lock additional, this theftproof performance is better, still, and existing anti-theft lock structure more complicated, the cost of manufacture height, and its structure is more identical, is grasped its unlocking technique by the robber easily, makes theftproof lock lose antitheft function.
Three. the utility model content:
The purpose of this utility model: overcome the defective of prior art, a kind of simple in structure, novel in design, protection forest type inspection well cover antitheft lock and labyrinth key thereof that theftproof performance is good are provided.
The technical solution of the utility model: a kind of protection forest type inspection well cover antitheft lock, contain lock, lock housing, elasticity locking bolt and back-moving spring, lock and lock housing are fixed together up and down, and the rear lateral portion in lock housing is provided with a chute, the elasticity locking bolt is arranged in this chute, make left and right sides stretching motion, elasticity locking bolt and lock, be provided with back-moving spring between the lock housing, the middle part of lock housing is provided with protective zone, the last fender pile that the lock soffit of described protective zone top is provided with some and arranges according to certain rule, the following fender pile that the lock housing upper surface of described protective zone below is provided with some and arranges according to certain rule, form the protection forest type structure, realize once protection, the leading flank of elasticity locking bolt is provided with allocating slot, run through lock and be provided with keyhole, labyrinth key is by last, contact with allocating slot behind the following fender pile, the elasticity locking bolt can be opened.
The leading flank of described elasticity locking bolt is provided with an allocating slot, and this allocating slot runs through the whole thickness of elasticity locking bolt; Perhaps described elasticity locking bolt leading flank is provided with an allocating slot, and this allocating slot is positioned at top or the middle part or the bottom of leading flank, and remainder is a baffle plate, realizes the secondary protection.
Perhaps, the leading flank of described elasticity locking bolt is provided with two allocating slots, and two allocating slots lay respectively at the upper and lower of leading flank, and the part between two allocating slots is a baffle plate, realizes the secondary protection.
Perhaps, the leading flank of described elasticity locking bolt is provided with three allocating slots, and three allocating slots lay respectively at the upper, middle and lower of leading flank, and the part between adjacent two allocating slots is a baffle plate, realizes the secondary protection.
A kind of labyrinth key of described protection forest type inspection well cover antitheft lock, contain column turning handle and plectrum, described plectrum is connected with the lower vertical of column turning handle, the labyrinth type upper groove and the low groove that are respectively equipped with some and arrange at the upper side of plectrum and downside according to certain rule, the shelter-forest that the quantity of the upper and lower groove of described labyrinth type and arrangement regulation and upper and lower fender pile are formed is complementary, make key can pass through upper and lower fender pile, so that stir the elasticity locking bolt.
The side groove that the front end face of described plectrum is provided with some and arranges according to certain rule, the baffle plate that described side groove and elasticity locking bolt leading flank are provided with is complementary, so that the plectrum front end can and insert in the allocating slot of elasticity locking bolt leading flank by baffle plate.
The upper end of described column turning handle is provided with turning handle, is convenient to open theftproof lock and mentions the inspection shaft lid.
The beneficial effects of the utility model:
1. the utility model modern design, structure uniqueness, and has multiple anti-theft feature, the upper and lower fender pile that it is provided with some and arranges according to certain rule at protective zone, the upper and lower fender pile of many rows and multirow forms the protection forest type structure, labyrinth type groove on the key has only by could contacting with the allocating slot on the elasticity locking bolt behind the shelter-forest, the elasticity locking bolt is opened, this novel structure uniqueness, and the position that changes fender pile can form different theftproof locks with quantity, its key is difficult for being copied, so good anti-theft effect.Be provided with baffle plate in the centre at the allocating slot position of elasticity locking bolt leading flank in addition, the side groove of key plectrum front end has only and could insert in the allocating slot by baffle plate, unblank, it stops the unlocking tool of thin wire and so on to stir the elasticity locking bolt effectively, therefore has the multiple-protection function.
2. the utility model is simple in structure, component are few, make easily, can adopt steel part processing, also can adopt full casting, when adopting full casting, be designed to elasticity locking bolt and chute square, the casting depanning gradient that matches with assembly technology just in time guarantees fit clearance, is convenient to casting, is convenient to reconditioning.And the key labyrinth groove is also according to casting Technology Design, and groove tooth and depanning direction are coincide, the one-step casting moulding, make very simply, all component adopt cold phosphatization to handle in addition, are applicable to the inspection shaft environment, and non-maintaining, exempt to lubricate, non-corrosive, no jam, easy to use.
3. the utility model can be lock that assembles and lock housing spot welding an one, makes the stranger can't take lock body easily apart, also can't see the structure of lock body inside, thereby can't copied key.In addition, can under the situation that does not influence key tooth intensity, increase some non-functional fan grooves, in appearance or in fact, the imitation difficulty of increase key.
4. the utility model scope of application is wide, is applicable to the antitheft of all size inspection shaft lid, is easy to promotion and implementation, after the popularization, has good social and economic benefit.
Four. description of drawings:
Fig. 1 is the structure chart of protection forest type inspection well cover antitheft lock user mode;
Fig. 2 is the structural representation that A-A decides state among Fig. 1 to the snap lock bolt-lock;
Fig. 3 be among Fig. 1 A-A to the structural representation of elasticity locking bolt opening;
Fig. 4 is a B-B sectional view among Fig. 3.
Five. the specific embodiment:
Embodiment one: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, among the figure, the lock 6 and the lock housing 7 of protection forest type inspection well cover antitheft lock are fixed together up and down, and (lock 6 also can cover 8 cast solids with inspection shaft to be installed in the side that inspection shaft covers 8 soffits, according to circumstances determine), the opposite side that inspection shaft covers 8 soffits is provided with fixedly locking bolt 9, rear lateral portion in lock housing 7 is provided with a square chute, elasticity locking bolt 1 is arranged in this square chute, make left and right sides stretching motion, elasticity locking bolt 1 and fixedly locking bolt 9 inspection shaft lid 8 is locked on the walling crib 10, elasticity locking bolt 1 and lock 6, be provided with back-moving spring 5 between the lock housing 7,4 is the spacer pin on the elasticity locking bolt 1, be used for compression reseting spring 5, the middle part of lock housing 7 is provided with protective zone, the upper surface of the lock housing 7 below protective zone is provided with some and (is illustrated as a row according to the following fender pile 12 that certain rule is arranged, three, can certainly be many rows, a plurality of, set as required), the soffit of the lock above the protective zone 6 be provided with some and arrange according to certain rule on fender pile 13 (be illustrated as a row, three, can certainly be many rows, a plurality of, set as required), on, under form the protection forest type structure, realize once protection, the upper and lower of elasticity locking bolt 1 leading flank is provided with, following allocating slot 2, part between two allocating slots 2 is a baffle plate 3, the protection of realization secondary, run through lock 6 and inspection shaft lid 8 and be provided with keyhole, the plectrum 11 of labyrinth key is connected with the lower vertical of column turning handle 15, the labyrinth type upper groove 14 and the low groove 16 that are respectively equipped with some and arrange at the upper side of plectrum 11 and downside according to certain rule, on, the quantity of following labyrinth type groove and arrangement regulation and last, following fender pile is complementary, make the maze trough of plectrum 11 can pass through last, the shelter-forest that following fender pile is formed, in addition, be provided with the side groove that a baffle plate 3 that is provided with elasticity locking bolt 1 leading flank is complementary in the middle of the front end face of plectrum 11, so that plectrum 11 front ends can by baffle plate 3 and insert elasticity locking bolt 1 leading flank on, in the following allocating slot 2, so that stir elasticity locking bolt 1, realize unblanking.The upper end of column turning handle 11 is provided with turning handle, is convenient to key, and elasticity locking bolt 1 can be opened, and mentions inspection shaft lid 8.
During unlatching, insert labyrinth key, its column turning handle 15 is by the cylindrical hole centering on inspection shaft lid 8 and the lock housing 7, rotate plectrum 11, by the once protection of fender pile and the secondary protection of baffle plate 3 up and down, enter the allocating slot 2 of elasticity locking bolt 1, move right, elasticity locking bolt 1 is opened thereby stir elasticity locking bolt 1.When closing,, therefore inspection shaft is covered 8 and close, be i.e. lockable to next because elasticity locking bolt 1 be the inclined-plane elastic body.
Embodiment two: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: the leading flank of elasticity locking bolt 1 is provided with an allocating slot 2, this allocating slot 2 runs through the whole thickness of elasticity locking bolt 1, not baffled 3, simplified structure, a heavily protection, dial motionless movable locking bolt 1 if prevent the object of thin wire and so on, need dwindle the distance between the upper and lower fender pile and increase the elastic force of back-moving spring.
Embodiment three: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: elasticity locking bolt 1 leading flank is provided with an allocating slot 2, this allocating slot 2 is positioned at top or the middle part or the bottom of leading flank, the remainder of leading flank is a baffle plate 3, change the position and the thickness of baffle plate 3, double protection.When this allocating slot 2 is positioned at the middle part of leading flank, dial motionless movable locking bolt 1, need dwindle the distance between the upper and lower fender pile and increase the elastic force of back-moving spring if prevent the object of thin wire and so on.
Embodiment four: present embodiment and embodiment one are basic identical, something in common does not repeat, difference is: the leading flank of elasticity locking bolt 1 is provided with three allocating slots 2, and three allocating slots 2 lay respectively at the upper, middle and lower of leading flank, part between adjacent two allocating slots 2 is a baffle plate 3, change the position and the thickness of baffle plate 3, double protection, dial motionless movable locking bolt 1 if prevent the object of thin wire and so on, need dwindle the distance between the upper and lower fender pile and increase the elastic force of back-moving spring.
Change the quantity, size of upper and lower fender pile and arrange, and the quantity, position and the size that change allocating slot and baffle plate can form a plurality of embodiment, be common excursion of the present utility model, not describe in detail one by one at this.
Claims (7)
1. protection forest type inspection well cover antitheft lock, contain lock, lock housing, elasticity locking bolt and back-moving spring, it is characterized in that: lock and lock housing are fixed together up and down, and the rear lateral portion in lock housing is provided with a chute, the elasticity locking bolt is arranged in this chute, make left and right sides stretching motion, elasticity locking bolt and lock, be provided with back-moving spring between the lock housing, the middle part of lock housing is provided with protective zone, the last fender pile that the lock soffit of described protective zone top is provided with some and arranges according to certain rule, the following fender pile that the lock housing upper surface of described protective zone below is provided with some and arranges according to certain rule forms the protection forest type structure, realizes once protection, the leading flank of elasticity locking bolt is provided with allocating slot, run through lock and be provided with keyhole, labyrinth key is by last, contact with allocating slot behind the following fender pile, the elasticity locking bolt can be opened.
2. protection forest type inspection well cover antitheft lock according to claim 1 is characterized in that: the leading flank of described elasticity locking bolt is provided with an allocating slot, and this allocating slot runs through the whole thickness of elasticity locking bolt; Perhaps described elasticity locking bolt leading flank is provided with an allocating slot, and this allocating slot is positioned at top or the middle part or the bottom of leading flank, and remainder is a baffle plate, realizes the secondary protection.
3. protection forest type inspection well cover antitheft lock according to claim 1, it is characterized in that: the leading flank of described elasticity locking bolt is provided with two allocating slots, and two allocating slots lay respectively at the upper and lower of leading flank, and the part between two allocating slots is a baffle plate, realize the secondary protection.
4. protection forest type inspection well cover antitheft lock according to claim 1, it is characterized in that: the leading flank of described elasticity locking bolt is provided with three allocating slots, and three allocating slots lay respectively at the upper, middle and lower of leading flank, and the part between adjacent two allocating slots is a baffle plate, realize the secondary protection.
5. the labyrinth key of the described protection forest type inspection well cover antitheft lock of claim 1, contain column turning handle and plectrum, it is characterized in that: described plectrum is connected with the lower vertical of column turning handle, the labyrinth type upper groove and the low groove that are respectively equipped with some and arrange at the upper side of plectrum and downside according to certain rule, the shelter-forest that the quantity of the upper and lower groove of described labyrinth type and arrangement regulation and upper and lower fender pile are formed is complementary, make key can pass through upper and lower fender pile, so that stir the elasticity locking bolt.
6. labyrinth key according to claim 5, it is characterized in that: the side groove that the front end face of described plectrum is provided with some and arranges according to certain rule, the baffle plate that described side groove and elasticity locking bolt leading flank are provided with is complementary, so that the plectrum front end can and insert in the allocating slot of elasticity locking bolt leading flank by baffle plate.
7. according to claim 5 or 6 described labyrinth keys, it is characterized in that: the upper end of described column turning handle is provided with turning handle, is convenient to open theftproof lock and mentions the inspection shaft lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143661 CN2861409Y (en) | 2005-12-23 | 2005-12-23 | Lock for protection forest type cover of inspection well and labyrinth type key thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520143661 CN2861409Y (en) | 2005-12-23 | 2005-12-23 | Lock for protection forest type cover of inspection well and labyrinth type key thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2861409Y true CN2861409Y (en) | 2007-01-24 |
Family
ID=37659038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520143661 Expired - Fee Related CN2861409Y (en) | 2005-12-23 | 2005-12-23 | Lock for protection forest type cover of inspection well and labyrinth type key thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2861409Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802842B (en) * | 2014-03-12 | 2016-06-01 | 南车株洲电力机车有限公司 | A kind of rail vehicle and pull-out unlocking type equipment case lid secondary protection device thereof |
| CN106545033A (en) * | 2016-12-08 | 2017-03-29 | 赵艳蕊 | Pipe network water supply manhole lid device and open method |
| CN106836305A (en) * | 2017-03-28 | 2017-06-13 | 章俊 | The antitheft anti-blocking well lid of labyrinth type that a kind of municipal works are used |
-
2005
- 2005-12-23 CN CN 200520143661 patent/CN2861409Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802842B (en) * | 2014-03-12 | 2016-06-01 | 南车株洲电力机车有限公司 | A kind of rail vehicle and pull-out unlocking type equipment case lid secondary protection device thereof |
| CN106545033A (en) * | 2016-12-08 | 2017-03-29 | 赵艳蕊 | Pipe network water supply manhole lid device and open method |
| CN106545033B (en) * | 2016-12-08 | 2019-04-09 | 赵艳蕊 | Pipe network water supply manhole lid device and open method |
| CN106836305A (en) * | 2017-03-28 | 2017-06-13 | 章俊 | The antitheft anti-blocking well lid of labyrinth type that a kind of municipal works are used |
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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: 20070124 Termination date: 20100125 |