CN2486605Y

CN2486605Y - Pin type built-in lock anti-theft well cover and water grate

Info

Publication number: CN2486605Y
Application number: CN 01232181
Authority: CN
Inventors: 韩丙臣; 范宝东; 王夫顺
Original assignee: Individual
Current assignee: Fan Baodong; Han Bingchen
Priority date: 2001-07-25
Filing date: 2001-07-25
Publication date: 2002-04-17
Anticipated expiration: 2011-07-25

Abstract

The utility model discloses a block pin type concealed lock anti-theft well lid and water grate, comprising a well lid and a well base, wherein, an opening loop of the inner wall of the well lid is articulated with a well base pin seat of the well base by a fixed axle of the well base, the other end of the inner wall of the well lid is provided with a lock body which is locked with the inner wall of the well lid, the lock body is fixed with a well lid boss by bolts, a lock body hole cooperates with a lock-pin. One end of a securing pin is articulated with the lock body while the other end of the securing pin is connected with the lock body by a spring, the middle of the securing pin is provided with an upper extension securing arm, a lower extension securing arm and a lock-pin retaining which are respectively inserted into the lock body holes and are matched with lock body penetrate holes, the lock pin retaining is inserted into a gap of a lock-pin. A key bar is provided with a securing key and a lock key which are inserted into the lock body through a key hole of the well lid, the securing key is connected with the securing arm while the lock key is connected with a hook head of the lock-pin. The utility model has a simple and reasonable structure and strong anti-theft function. When the well lid is vertically placed, then the well lid can be totally taken down, which is convenient for inspection and maintenance.

Description

Bail type built-in lock anti-stealing manhole cover, drain cover

Technical field

The utility model relates to the tap water in a kind of municipal engineering field, and the anti-theft device of communication well lid and sewage drain cover is built-in lock anti-stealing manhole cover, the drain cover of bail type.

Background technology

The various manholes of using in municipal administration and highway engineering at present all use manhole cover; being generally floats does not have lock; the well lid that can directly shift out and not with the well lid of built-in lock; float not have a lock well lid is non-anti-theft and easily lose; even the well lid of band built-in lock; unpluged built-in lock by an elbow iron rod easily again, open well lid, and lose safety protection function.

Summary of the invention

Its purpose of the utility model is: a kind of bail type built-in lock anti-stealing manhole cover, drain cover are provided, its structure is the anti-stealing manhole cover of band Safety built-in lock and bayonet socket, open well lid, well lid can be taken by bayonet socket above the well seat, make in checking, safeguarding, well lid just is activated after having only the use private key to open the built-in lock of insurance.

The utility model is achieved in that a kind of bail type built-in lock anti-stealing manhole cover, drain cover, comprise: well lid, well seat, it is characterized in that: the split ring of its well lid inwall end is by the well seat pin axle bed hinge joint of well seat fixed axis and well seat, other holds inwall to establish lock body and is locked, its lock body is fixed by bolt and well lid boss, and its lock body opening and lock pin are movingly; Safety plug one end and lock body hinge joint, end connects with lock body by spring in addition, establishing upper and lower Shen in the middle of its safety plug goes out to insure arm and inserts in the lock body opening relative one by one with the lock body open-work respectively with the lock pin retaining, its lock pin retaining inserts in the breach of lock pin, establish insurance spoon, key on its key bar, it inserts lock body by the well lid keyhole, and its insurance spoon joins with the insurance arm, and the gib head of its key and lock pin joins.Its split ring is established its wide e of opening＞well lid fixed axis diameter d, and its key rod end is put alignment pin, and its key is space angle α with the insurance spoon, and α is 15-40 °.Its safety plug is Z-shaped, and its lock pin retaining and insurance arm divide upper and lower being fixedly connected with its break respectively; Its lock body is provided with the lock pin fixed block, establishes groove above it and matches with the projection of well lid, its projection and lock body thread connection.Described insurance arm is fan-shaped, and it is an arcwall face with insurance spoon contact surface; Described insurance spoon is L shaped.

It is simple and reasonable for structure for the utility model, and anti-theft feature is strong, and then can take off entirely when well lid is placed 90 °, is convenient to examination and maintenance.

Elaborate with accompanying drawing in conjunction with the embodiments:

Description of drawings

Fig. 1: the utility model structural representation;

Fig. 2: the utility model A is to structural representation;

Fig. 3: the utility model B is to structural representation;

Fig. 4: the utility model well lid and well seat connecting pin axial trough structural representation;

Fig. 5: the utility model Key structure schematic diagram;

Fig. 6: the utility model key C is to structural representation.

Accompanying drawing number:

1. spring

2. safety plug

201. insurance arm 202. lock pin shelves

3. keyhole

4. lock body

401. lock body open-work 402. lock body open-works

5. lock pin fixed block

6. lock pin

7. bolt

10. well lid

11. well seat

12. bolt

14. well lid fixed axis

15. well seat pin axle bed

16. key

161. insurance spoon 162. keys

The specific embodiment

Its structure of the utility model is shown in Fig. 1-7: a kind of bail type built-in lock anti-stealing manhole cover, drain cover, comprise: well lid 10, well seat 11, it is characterized in that: the split ring 101 of its well lid 10 inwall ends is by well seat pin axle bed 15 hinge joints of well seat fixed axis 14 with well seat 11, other holds inwall to establish lock body 4 and is locked, its lock body 4 is fixed by bolt 12 and well lid 10 boss, and its lock body 4 holes and lock pin 6 are movingly; Safety plug 2 one ends and lock body 4 hinge joints, end connects with lock body 4 by spring 1 in addition, establishing upper and lower Shen in the middle of its safety plug 2 goes out to insure arm 201 and inserts in lock body 4 holes relative one by one with lock body 4 open-works 401,402 respectively with lock pin retaining 202, its lock pin retaining 202 inserts in the breach of lock pin 6, establish insurance spoon 161, key 162 on its key 16 bars, it inserts lock body 4 by well lid 10 keyholes 3, and its insurance spoon 161 joins with insurance arm 201, and its key 162 joins with the gib head of lock pin 6.Its split ring 101 is established opening 103 its wide e＞well lid fixed axis 14 diameter d, and its key 16 rod ends are put alignment pin 163, and its key 162 is space angle α with insurance spoon 161, and α is 15-40 °.Its safety plug 2 is Z-shaped, and its lock pin retaining 202 and insurance arm 201 divide upper and lower being fixedly connected with its break respectively; Its lock body 4 is provided with lock pin fixed block 5, establishes groove above it and matches with the projection of well lid 10, its projection and lock body 4 thread connection.Described insurance arm 201 is fan-shaped, and it is an arcwall face with insurance spoon 161 contact surfaces; Described insurance spoon 161 is L shaped.

Its mode of occupation

Key 16 is inserted in the keyhole 3, be rotated counterclockwise, key bar insure the spoon 161 push open the insurance arm 201, continue to change key 16 then, its key 162 unplugs lock pin 6 by the eave tile face that promotes lock pin 6 and can cover by breakdown, when rotate with key 16 pull-up well lids 10 and during 11 one-tenth 90 ° of well seats well lid 10 can take off from well seat 11 by opening 103 places, so that operation when closing well lid 10, then clockwise rotates key 16, the insurance spoon is inoperative, key 162 rotates lock pin 6 makes this built-in lock sealed, and safety plug 2 resets under the effect of spring 1, realizes the anti-insurance function of dialling of this built-in lock, effective interior facility of guide-well that gets, safe and reliable.

Claims

1. a bail type built-in lock anti-stealing manhole cover, drain cover, comprise: well lid (10), well seat (11), it is characterized in that: the split ring (101) of its well lid (10) inwall end is by well seat pin axle bed (15) hinge joint of well seat fixed axis (14) with well seat (11), other holds inwall to establish lock body (4) and is locked, its lock body (4) is fixed by bolt (12) and well lid (10) boss, and its lock body (4) hole and lock pin (6) are movingly; Safety plug (2) one ends and lock body (4) hinge joint, end connects with lock body (4) by spring (1) in addition, establish in the middle of its safety plug (2), following Shen goes out to insure arm (201) and lock pin retaining (202) inserts in lock body (4) hole respectively and lock body (4) open-work (401), (402) relative one by one, its lock pin retaining (202) inserts in the breach of lock pin (6), establish insurance spoon (161) on its key (16) bar, key (162), it inserts lock body (4) by well lid (10) keyhole (3), its insurance spoon (161) joins with insurance arm (201), and its key (162) joins with the gib head of lock pin (6).

2. bail type built-in lock anti-stealing manhole cover as claimed in claim 1, drain cover, it is characterized in that: its split ring (101) is established its wide e of opening (103)＞well lid fixed axis (14) diameter d, its key (16) rod end, put alignment pin (163), its key (162) is space angle α with insurance spoon (161), and α is 15-40 °.

3. bail type built-in lock anti-stealing manhole cover as claimed in claim 1, drain cover is characterized in that: its safety plug (2) is for Z-shaped, and its lock pin retaining (202) and insurance arm (201) divide upper and lower being fixedly connected with its break respectively; Its lock body (4) is provided with lock pin fixed block (5), establishes groove above it and matches its projection and lock body (4) thread connection with the projection of well lid (10).

4. bail type built-in lock anti-stealing manhole cover as claimed in claim 1, drain cover is characterized in that: described insurance arm (201) is for fan-shaped, and it is an arcwall face with insurance spoon (161) contact surface; Described insurance spoon (161) is L shaped.