CN2589518Y - Theft-proof well cover - Google Patents
Theft-proof well cover Download PDFInfo
- Publication number
- CN2589518Y CN2589518Y CN 02295303 CN02295303U CN2589518Y CN 2589518 Y CN2589518 Y CN 2589518Y CN 02295303 CN02295303 CN 02295303 CN 02295303 U CN02295303 U CN 02295303U CN 2589518 Y CN2589518 Y CN 2589518Y
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- CN
- China
- Prior art keywords
- key
- slingshot
- pellet shot
- locking pin
- housing
- 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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- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model relates to a theft-proof well cover. The edge of the bottom surface of the well cover is uniformly distributed with two fixed locking pins and a movable locking pin. A front pin of the movable locking pin can be inserted into or pulled out of the lower edge of a well cover ring after penetrated through a pin sleeve, and a fit structure between a spring slot on the movable locking pin and a spring hole and a spring in a spring shell is formed into a plate type lock which can be opened and closed. A guiding supporting sleeve beside the spring shell can be used for guiding key bits on a key body to insert in a key slot on the movable locking pin, a handle is rotated to the left side, the movable locking pin can be pulled put of the lower edge of the well cover ring, and thus the well cover can be taken out. When the handle is rotated to the right side, the movable locking pin can be inserted in the lower edge of the well cover ring, the key body can be pulled out upwards, and thus the well cover can be locked with the well cover ring as a whole to obtain the aim of preventing the well cover from being stolen.
Description
Affiliated technical field
The utility model is that city, small towns sewer daily well lid, especially well lid and well cover cycle can be locked for one and steal the safe theft-proof well cover do not walked.
Background technology
At present, general sewer well lid is that well lid and well cover cycle combine, but it does not have anti-theft feature, and well lid is often stolen to form is trap, and pedestrian's personal safety has been brought great threat.
Summary of the invention
Can not prevent the deficiency stolen in order to overcome existing sewer well lid, the utility model provides a kind of anti-stealing manhole cover, this well lid can not only make pedestrian and traffic safety, and can make well lid and well cover cycle open or lock easily, and well lid can't be stolen forever.
The technical scheme that its technical problem that solves the utility model adopts is: at edge, well lid bottom surface, fixing and locking pin and a movable locking pin of equally distributed two L shaped shapes are housed, the front end pin of movable locking pin passes the lower edge that guide injects well cover cycle, pass a screw in the middle-end screw elongated slot, screw cap upwards holds up movable locking pin and leaves on the screwed hole that is fixed on the pellet shot from a slingshot housing with gap, and tail end is provided with bullet groove, key.Be provided with a screwed hole and two pellet shot from a slingshot holes in the pellet shot from a slingshot housing, spring and pellet shot from a slingshot are housed in the pellet shot from a slingshot hole.On the next door of pellet shot from a slingshot housing, be provided with the guiding holder cover of a guiding key.Fixing and locking pin, guide, pellet shot from a slingshot housing, guiding holder cover are that electric welding is weldingly fixed on the well lid bottom surface.The key main body is held in the palm in the hole of cover from top insertion well lid and guiding, push handle downwards with hand, key bit is rotated up in the key of insertion activity locking pin, pellet shot from a slingshot is up ejected bullet groove, counter-clockwise again rotary handle, drive activity locking pin withdraws from the well cover cycle lower edge.Can take out well lid, the handle that turns clockwise, drive activity locking pin injects the well cover cycle lower edge, and well lid and well cover cycle lock are one, is able to open and lock the purpose of well lid.
The beneficial effects of the utility model are, well lid and well cover cycle are conveniently opened or when locking, and well lid can not be stolen and protected national wealth and pedestrian's personal safety.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the overall A-A sectional view of anti-stealing manhole cover
Fig. 2 is the C-C sectional view of Fig. 3
Fig. 3 is the B-B sectional view of Fig. 2
Fig. 4 is the D-D sectional drawing of Fig. 3
Among the figure 1, well cover cycle, 2, well lid, 3, the fixing and locking pin, 4, the located lateral groove, 5, key, 6, top-pressure part, 7, the key housing, 8, handle, 9, longitudinal register groove, 10, guiding holder cover, 11, locating pin, 12, the pellet shot from a slingshot housing, 13, pellet shot from a slingshot, 14, bullet groove, 15, guide, 16, movable locking pin, 17, screw, 18, the pellet shot from a slingshot hole, 19, spring, 20, key, 21, little axle, 22, the screw elongated slot, 23, electrical pads.
The specific embodiment
In Fig. 1, the edge, bottom surface of well lid (2) evenly distributes the fixing and locking pin (3) and a movable locking pin (16) of two L shaped shapes is housed, two the fixing and locking pins (3) that are welded on the well lid bottom surface are the lower edge of fill-in well decorative cover (1) all the time, when the lower edge of movable locking pin (16) fill-in well decorative cover (1), well lid and well cover cycle are locked, when withdrawing from the lower edge of well cover cycle (1), can up take out well lid.
Fig. 1, Fig. 2, embodiment illustrated in fig. 3 in, the front end of movable locking pin (16) is the garden shape pin on band inclined-plane, also can be square pin, and middle part, afterbody are L shaped shape rectangular bodies, the middle part is provided with screw elongated slot (22), and afterbody is provided with bullet groove (14), key (5).The front end pin of movable locking pin (16) passes the lower edge that guide (15) injects well cover cycle, middle part screw elongated slot (22) is upward through a screw, screw cap upwards holds up movable locking pin (16) and is fixed on the screwed hole of pellet shot from a slingshot housing (12), but contacting between the fitting face with pellet shot from a slingshot housing (12), movable locking pin (16) must leave the gap, make movable locking pin at guide (15), can move forward and backward freely on screw cap, the distance that moves forward and backward is that the size by the screw elongated slot limits.
Be provided with a screwed hole and two pellet shot from a slingshot holes (18) in the pellet shot from a slingshot housing (12), the pellet shot from a slingshot hole can be 1,2 or a plurality of, spring (19), pellet shot from a slingshot (13) are housed in the pellet shot from a slingshot hole, it cooperates with the bullet groove (14) of movable locking pin, when pellet shot from a slingshot (13) enters bullet groove (14), movable locking pin (16) can not move left and right, when pellet shot from a slingshot (13) is ejected bullet groove (14) by key bit, movable locking pin (16) can move left and right, such fit structure, just formed can open and close the flat board lock.
The endoporus of guiding holder cover (10) is a garden shape, and the endoporus lower end is to have two longitudinal register grooves (9) and a located lateral groove (4) on the garden conical surface, the inner hole wall.Guide (15), pellet shot from a slingshot housing (12), guiding holder cover (10) is welded on the well lid bottom surface with electric welding.
Top-pressure part (6) is that the middle part is garden shape, and the lower end is the inclined-plane, and top is square parts.There is an axis hole at edge, the afterbody of key (20) upper end, and the upper end is the inclined-plane, the key bit of bottom can be one two or more.
In the bottom cross-drilled hole of key housing (7), be connected in series rotating key (20) with little axle (21), locating pin (11) one ends are through outside the key housing, other end welding or be bonded in the aperture on the housing.
The hole, garden, middle part of garden, the middle part axle of top-pressure part (6) and top square oblique crank Z and key housing (7) and top square opening are formed matched in clearance, and top-pressure part can move up and down.
The longitudinal register groove (9) on the right on locating pin (11) alignment guide holder cover (10) hole wall on the key housing (7) correspondingly key just aimed at key (5), be inserted into located lateral groove (4) downwards, to pressing down handle (8), pressure reaches the inclined-plane, upper end of key (20) through the inclined-plane, lower end of top-pressure part (6), key bit rotates up around little axle (21), in key (5) bullet groove (14) of insertion activity locking pin (16), jack-up pellet shot from a slingshot (13) makes progress, the lower surface that makes pellet shot from a slingshot (13) just in time with the lower surface of pellet shot from a slingshot housing (12), become a plane with the upper surface of movable locking pin (16), inhour rotary handle (8), power drives key housing (7) through the top square oblique crank Z of top-pressure part (6), little axle (21), the key bit of key (20), movable locking pin (16) withdraws from the lower edge of well cover cycle (1) to left movement, and can take out well lid (2) this moment.Upwards the locating pin (11) on handle (8) the key housing (7) can be taken out key by the second road longitudinal register groove (9).When making progress handle (8), key bit has been removed top power and withdrawed from bullet groove (14) and key (5) under the effect of gravity, pellet shot from a slingshot in second pellet shot from a slingshot hole of pellet shot from a slingshot housing is under the effect of spring force at this moment, push up in the bullet groove downwards, movable locking pin (16) that is in the state of opening and pellet shot from a slingshot housing (12) are fixed together, make movable locking pin (16) can not about string moving, guarantee accurately jacking key (5) of later key bit, thereby can successfully open and close dull and stereotyped pin.The locating pin of key housing (7) (11) is aimed at the longitudinal register groove (9) on the left side to pressing down handle (8), key bit rotates up around little axle (21), insert key (5), in the bullet groove (14), upwards jack-up pellet shot from a slingshot (13) makes the pellet shot from a slingshot lower surface become a plane with pellet shot from a slingshot housing (12) with movable locking pin (16) fitting face that contacts.The movable locking pin of handle (8) (16) that turns clockwise moves right, the lower edge of fill-in well decorative cover (1), and upwards the locating pin (11) of handle (8) key housing is taken out key by the first road longitudinal register groove (9).Pellet shot from a slingshot in first pellet shot from a slingshot hole of pellet shot from a slingshot housing heads under the effect of spring force in the bullet groove (14) at this moment, pellet shot from a slingshot housing (12) and movable locking pin (16) lock are one, correspondingly well lid (2) and well cover cycle (1) lock are one, have reached and stolen purpose that not walk well lid.
Claims (4)
1. anti-stealing manhole cover, fixing and locking pin and a movable locking pin of equally distributed two L shaped shapes are housed at edge, well lid bottom surface, bullet groove and the pellet shot from a slingshot hole in the pellet shot from a slingshot housing and the fit structure of pellet shot from a slingshot on the movable locking pin, formed and to have opened, the flat board lock that closes, dull and stereotyped lock is controlled by the key main body of inserting guiding holder cover and is opened or closed, it is characterized in that: the front end pin of movable locking pin passes guide, can insert or withdraw from the lower edge of well cover cycle, the middle part upwards holds up to leave with a screw cap and is fixed on gap on the pellet shot from a slingshot housing, the next door of pellet shot from a slingshot housing is provided with a holder cover that can guide key bit to insert key, the fixing and locking pin, guide, the pellet shot from a slingshot housing, electric welding is applied mechanically in the guiding holder and the well lid bottom surface is welded into fixing one, movable locking pin is in guide, by the key cingulum on nut can move left and right, unlatching or locking well lid and well cover cycle.
2. anti-stealing manhole cover according to claim 1, it is characterized in that: be provided with a screwed hole and two pellet shot from a slingshot holes in the pellet shot from a slingshot housing, the pellet shot from a slingshot hole also can be one, spring, pellet shot from a slingshot are housed in the pellet shot from a slingshot hole, the front end of movable locking pin is the circular pin on inclined-plane, also can be square pin, and middle part, afterbody are the rectangular bodies of L shaped shape, the middle part is provided with the screw elongated slot, and afterbody is provided with bullet groove, key.
3. anti-stealing manhole cover according to claim 1, it is characterized in that: the key main body is by the key housing, handle, top-pressure part, locating pin, little axle, key constitutes, in the key lower part of frame cross-drilled hole, be connected in series rotating key with little axle, locating pin one end is through outside the key housing, the other end welds or is bonded in the aperture of housing, key housing middle part endoporus is circular, the upper end endoporus is square, can be triangle also, the middle part be a circular shaft on the top-pressure part, and the lower end is the inclined-plane, top is the parts of square shaft, there is an axis hole at the edge, afterbody upper end of key, and the upper end is the inclined-plane, and the key bit of bottom can be one, two or more.
4. anti-stealing manhole cover according to claim 1 is characterized in that: the endoporus of guiding holder cover is for circular, and the lower end of endoporus is a taper seat, has two longitudinal register grooves and a located lateral groove on inner hole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295303 CN2589518Y (en) | 2002-12-27 | 2002-12-27 | Theft-proof well cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02295303 CN2589518Y (en) | 2002-12-27 | 2002-12-27 | Theft-proof well cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2589518Y true CN2589518Y (en) | 2003-12-03 |
Family
ID=33752383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02295303 Expired - Fee Related CN2589518Y (en) | 2002-12-27 | 2002-12-27 | Theft-proof well cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2589518Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485591A (en) * | 2013-10-11 | 2014-01-01 | 桂林新奥燃气有限公司 | Well lid key opening plugging device |
| CN111706175A (en) * | 2020-06-08 | 2020-09-25 | 沈阳达能电安全高新产业技术研究院有限公司 | Emergency unlocking device for electronic well lid |
-
2002
- 2002-12-27 CN CN 02295303 patent/CN2589518Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485591A (en) * | 2013-10-11 | 2014-01-01 | 桂林新奥燃气有限公司 | Well lid key opening plugging device |
| CN103485591B (en) * | 2013-10-11 | 2016-08-17 | 桂林新奥燃气有限公司 | The using method of well cover key mouth stopper |
| CN111706175A (en) * | 2020-06-08 | 2020-09-25 | 沈阳达能电安全高新产业技术研究院有限公司 | Emergency unlocking device for electronic well lid |
| CN111706175B (en) * | 2020-06-08 | 2021-11-23 | 沈阳达能电安全高新产业技术研究院有限公司 | Emergency unlocking device for electronic well lid |
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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 |