CN2500763Y - Anti-theft lockset for well lid - Google Patents

Abstract

The utility model provides an anti-theft lockset for a well lid, consisting of a fixed lock catch piece, a movable lock catch plate, a lock catch plate cushion block, a fixed bolt, a key hole deepening piece and a special key, which are all arranged on the well lid. The special key comprises an external sleeve, a fixed handle, a handle connecting frame, a movable handle, a pressure lever, a lock catch seat, a lock catch, a location seat with a location bolt, redirector bits, a bolt shaft and a pressure spring, etc. The utility model has good ant-theft performance, stealers cannot insert the key into the keyhole from the well lid to stir the movable lock catch plate to unlock the key with common tools. Only special keys with redirector bits can unlock the lockset. Though the utility model is located in open environment, sundries such as water, mud and sand can not erode the movable lock catch plate, thereby keeping the function of locking and unlocking freely for a long period of time.

Description

The well lid lock

Technical field

The utility model relates to and a kind ofly has special rotation and stir key and have the special board-like lock that turns to locking bolt, further is meant a kind of lock that is specifically designed to well lid.

Background technology

As everyone knows, the stream mud well lid (also claiming the sewer well lid) that spreads all on the urban road is the public good ancillary facility of discharging living water use, industrial wastewater, city accumulated water.But because also there are some factors leading to social instability in the present social security of China, minority unprincipled fellow be seek some private interests, unexpectedly do not stint and steal the cover plate that flows the mud well lid, it is battered down the back sells as waste product, so not only cause the loss of national wealth, and the crime deep pool, misfortune hole that causes the Liu Nijing that loses behind the cover plate to become to engulf traffic, the accident of car crash happens occasionally.For this reason, people have to be forced to well lid is taked to install additional the measure of theftproof lock, so the antitheft stream mud well lid of various structure also just arises at the historic moment.But always see the antitheft stream mud well lid that some manufacturer production are dispatched from the factory, its shortcoming mainly is to put in foreign matter and will lock pirate of the open than the keyhole that is easier to from the cover plate, and this just is difficult to play antitheft effect truly; In addition, the well lid lockset that has is because not proper on the structure design, corrodes the back akinesia freely through the rainwater dust of long-term open-air atmosphere, so that very difficultly need unblank the time just can open, and it is inconvenient to use sensation, also just influences it and generally promotes the use of.

Summary of the invention

The purpose of this utility model, be to provide a kind of foreign matter that can prevent effectively to put in well lid lock, make it accomplish still can keep the lock function of unblanking to close that moves freely under the open-air atmosphere staying for a long time simultaneously the lockset pirate of the open from the keyhole on the well lid plate.

Solution of the present utility model is as follows.It has one and is used for fixing the pin fastener that has the limited step of outside protrusion in the bottom of well lid backboard face one end, have a movable latch plate and a latch plate cushion block that is used for being contained in the relative other end of well lid backboard face, on movable latch plate and latch plate cushion block, offer the vertical screw hole that aligns mutually and in the hole, be equipped with standing screw upwards, have one and be used for fixing at well lid backboard face and deepen part for key provides the keyhole of deepening patchhole; Also have one and be used for rotating the private key of stirring described movable latch plate, this key has a vertical outer sleeve, the outer sleeve over top has the fixed handle that the level that is connected mutually with the outer sleeve top is being put, one end of fixed handle has the handle hitch that is connected mutually with it, the fixed handle top has a flexible handle, live mutually by pivot pin between one end of flexible handle and the handle hitch and be hinged, be fixed with on the handle hitch one between fixed handle and flexible handle and two ends respectively with fixed handle and the contacted stage clip of flexible handle, pine is with a depression bar in outer sleeve, after perforate on the fixed handle is passed on depression bar top, its top is hinged by living mutually between pivot pin and the flexible handle, the outer wall of the outer sleeve below fixed handle is fixed with a snap close seat, the snap close of living and being hinged mutually by horizontal pivot pin and snap close seat is housed in the snap close seat, the snap close front end is oblique sawtooth portion and passes the perforate on the outer sleeve wall and put in that outer sleeve is inner to be pasted mutually with the wall of depression bar, on the depression bar above the sawtooth portion of this snap close, be processed with the sawtooth catching groove that the sawtooth portion with snap close matches, be fixed with on the snap close seat one between snap close and outer sleeve and two ends respectively with snap close and the contacted stage clip of outer sleeve, has the limited step that protrudes from outside the outer sleeve tube wall on the outer sleeve below the snap close seat, the limited step below has pine and is enclosed within the outer positioning seat of outer sleeve, the positioning seat below has two fastening screws that are solidly fixed with the positioning seat bottom, outer sleeve upwards offers one section key bit vertically and embeds notch from its bottom, pine embeds a turned to key bit that is positioned at below the depression bar in this notch, can turn between key bit and the outer sleeve with a horizontal pivot pin mutually work be hinged.

When the utility model with said structure uses on being installed to well lid, the pin fastener should be fixed to well lid backboard face one end, and at the relative other end of well lid backboard face, screw in the screw of offering on the well lid plate by the standing screw in movable latch plate of the present utility model and the latch plate cushion block, just movable latch plate and latch plate cushion block can be fastened on the well lid plate, should note the degree that screws of this standing screw this moment, to guarantee to make movable latch plate can be freely under external force is stirred to rotate and the latch plate cushion block is motionless is advisable around standing screw; Simultaneously, also keyhole of the present utility model should be deepened on movable latch plate that part be weldingly fixed on well lid backboard face and the pin fastener line and the appropriate location of close movable latch plate, then on the well lid plate under the intensification keyhole deepened on the part of keyhole offer a well lid plate keyhole, be advisable with the outer sleeve external diameter that is slightly larger than the utility model private key in its aperture, and the fastening screw jack that aligns mutually respectively of two fastening screws below the positioning seat of offering on the well lid plate with the outer sleeve overcoat.

The utility model can come into operation through after the above-mentioned installation.When needs are locked the well lid plate, lift earlier the well lid plate the movable latch plate of band an end and will insert manhole cover base with the other end of pin fastener, and the limited step that has outside protrusion that makes the pin fastener falls into below, base in the manhole cover base and spacing by the manhole cover base of top, then the other end of the well lid plate of the movable latch plate of band is inserted manhole cover base, so also just monoblock well lid plate has all been inserted in the manhole cover base.Next, fixed handle that just can portable private key of the present utility model, the turned to key bit of private key and the keyhole and the keyhole of outer sleeve priority fill-in well cover plate are deepened in the perforate of part, and the fastening screw that makes outer sleeve outside fix seat below is respectively in two fastening screw jacks on the fill-in well cover plate, so make positioning seat be positioned on the well lid plate, and the turned to key bit of key lower bottom part has passed keyhole intensification part and has been positioned at its below, bottom at this moment.Again next, with hand catch the fixed handle of key and flexible handle simultaneously and with flexible handle towards pressing down, just the downward pushing of the depression bar that flexible handle connected can be turned to key bit, make to turn to key bit 90 ° of divertical motions of work and be in the horizontal level perpendicular with outer sleeve.Meanwhile, the sawtooth portion that sawtooth catching groove on the depression bar that the position moves down also moves down on the snap close that is stretched in the outer sleeve is blocked, even unclamp the hand of catching fixed handle and flexible handle this moment, the state that flexible handle also can keep it to depress is constant, thereby temporary transient maintenance can turn to key bit to turn to 90 ° of states constant.Handle being made clockwise (or counterclockwise) direction on this state basis rotates, driving outer sleeve rotates in positioning seat, well lid plate keyhole and keyhole are deepened part, also can turn to key bit to turn to an end of movable latch plate with regard to drive simultaneously contacts, so stirring movable latch plate rotates around the standing screw of fixing it, make the other end of movable latch plate be transferred to manhole cover base inward flange below, so just the well lid integrated circuit board is pinned and can't under the external force effect that makes progress, open taking-up, thereby play effective burglary insurance effect.Lock when taking out private key behind the well lid plate, only need firmly in outer sleeve, to click snap close, will make sawtooth catching groove on the depression bar and the sawtooth portion on the snap close be separated, so under the elastic force effect of the stage clip between fixed handle and flexible handle, flexible handle drive depression bar moves upward and resets, latch under the elastic force effect of the stage clip between itself and outer sleeve and reset, because depression bar is decontroled turning to the suppressing action of key bit, thereby can turn to key bit under the effect of gravity, to rotate and reset around its bearing pin, at this moment, only need portable fixed handle, just whole private key can be taken out from the well lid plate.

In the time the well lid plate of locking need being opened, only need in the private key fill-in well cover plate by aforementioned operation, locate, depress handle, rotate flexible handle and fixed handle again, allow to turn to key bit to stir movable latch plate rotation, the end that movable latch plate is pinned spins off from manhole cover base inward flange below, be about to lock this moment and open, the operation that private key takes out in the well lid plate as hereinbefore.After lock is opened, drag obliquely again, make the limited step of the other end of well lid strip pin fastener also spin off, just monoblock well lid plate can be opened taking-up from manhole cover base inward flange below with an end of the movable latch plate of the band of the well lid plate of handing up.

The utility model lockset is installed on the stream mud well well lid plate, can play effective safe antitheft effect.It adopts keyhole intensification part and is blocked in the struck side of movable latch plate, also the key bit of private key is designed to the form of structure that can turn to simultaneously, this stirs pirate of the open with regard to make stealer adopt general foreign matter can't put in well lid plate below from the keyhole of well lid plate at all with movable latch plate, can turn to the private key of key bit lock could be opened and must hold band.Though this lockset also is under the open-air atmosphere, but the flowing water silt particle foreign material all keyhole from the well lid plate and keyhole are deepened part and are directly entered in the well, can not corrode the movable latch plate that is hidden in well lid backboard face one side, so the rotation that can keep chronically moving freely unblanks to close lock function.The utility model lockset is suitable for a large amount of repackings that the well lid of theftproof lock is not installed in existing the use especially, relatively rise and discard this a large amount of well lid plate that theftproof lock is not installed and newly change with the well lid plate of theftproof lock, such repacking can be that country and society save a large amount of assets undoubtedly.

Description of drawings

Fig. 1 is that the pin fastener of the utility model embodiment, movable latch plate, latch plate cushion block and keyhole intensification part are installed in the sectional structure schematic diagram on the well lid plate;

Fig. 2 is that keyhole that the private key of the utility model embodiment inserts keyhole on Fig. 1 well lid plate and below is deepened the structural representation after the part;

Fig. 3 is that the A of private key of the present utility model among Fig. 2 is to zoomed-in view;

Fig. 4 is the B-B sectional view of Fig. 3;

Fig. 5 and Fig. 6 are respectively C-C and the D-D sectional view of Fig. 4;

Broken section structure for amplifying schematic diagram when Fig. 7 shuts the position for the turned to key bit when special-purpose key among Fig. 2 turns to;

Fig. 8 is that the E of Fig. 1 is to view;

Fig. 9 is the F-F sectional view of Fig. 8.

The specific embodiment

Referring to Fig. 1 to Fig. 7.The utlity model has one and be used for fixing the pin fastener 1 that has the limited step 101 of outside protrusion in the bottom of well lid plate 23 back sides one end, have a movable latch plate 2 and a latch plate cushion block 3 that is used for being installed in the relative other end in well lid plate 23 back sides, on movable latch plate 2 and latch plate cushion block 3, offer the vertical screw hole that aligns mutually and in the hole, be equipped with standing screw 4 upwards, have one and be used for fixing at well lid plate 23 back sides and deepen part 5 for key provides the keyhole of deepening patchhole; Also have one and be used for rotating the private key of stirring movable latch plate 2, this private key has a vertical outer sleeve 6, outer sleeve 6 over top have the fixed handle 7 that the level of welding mutually with outer sleeve 6 tops is being put, one end of fixed handle 7 has the handle hitch 8 that welds mutually with it, fixed handle 7 tops have a flexible handle 9, live mutually by bearing pin 10 between one end of flexible handle 9 and the handle hitch 8 and be hinged, be fixed with by screw 11 on the handle hitch 8 one between fixed handle 7 and flexible handle 9 and two ends respectively with fixed handle 7 and flexible handle 9 contacted stage clips 12, pine is with a depression bar 13 in outer sleeve 6, after perforate on the fixed handle 7 is passed on depression bar 13 tops, its top is hinged by living mutually between bearing pin 14 and the flexible handle 7, on the outer wall of the outer sleeve below the fixed handle 76, be welded with a snap close seat 15, snap close seat 15 is equipped with the snap close 17 of living and being hinged mutually by horizontal bearing pin 16 and snap close seat 15, snap close 17 front ends are oblique sawtooth portion 171 and pass the perforate 61 on outer sleeve 6 walls and put in that outer sleeve 6 is inner to be pasted mutually with the wall of depression bar 13, on the depression bar 13 above the sawtooth portion 171 of snap close 17, be processed with the sawtooth catching groove 131 that can match with the sawtooth portion 171 of snap close 17, be fixed with by bearing pin 16 on the snap close seat 15 one between snap close 17 and outer sleeve 6 and two ends respectively with snap close 17 and outer sleeve 6 contacted stage clips 18, has the limited step 62 that protrudes from outside outer sleeve 6 tube walls on the outer sleeve 6 below snap close seat 15, limited step 62 belows have pine and are enclosed within outer sleeve 6 positioning seat 19 outward, positioning seat 19 belows have two fastening screws 191 integrally welded with positioning seat 19 bottoms, outer sleeve 6 upwards offers one section key bit vertically and embeds notch from its bottom, pine embeds a turned to key bit 20 that is positioned at below the depression bar 13 in this notch, can turn between key bit 20 and the outer sleeve 6 with a horizontal pivot pin 21 mutually work be hinged.Referring to Fig. 1, pin fastener 1 is fixing well lid plate 25 back sides one end, embodiment offers a vertical screw hole and be equipped with standing screw 22 upwards in the hole among the figure on pin fastener 1, and these standing screw 22 tops are spun is fixed on the well lid plate 23 then.Certainly, pin fastener 1 also can adopt welding manner to be connected on the well lid plate 23.Referring to Fig. 3, two fastening screws 191 that positioning seat 19 lower ends connect are in the position at same relative two radially of positioning seat 19.

Referring to Fig. 1, the utility model is when installing and using, and the top of standing screw 4 spins and is fixed on the relative other end in well lid plate 23 back sides, also just movable latch plate 2 and latch plate cushion block 3 is fixed to the relative other end in well lid plate 23 back sides; Keyhole is deepened on the line of movable latch plate 2 that part 5 is weldingly fixed on well lid plate 23 back sides and pin fastener 1 and near the appropriate location of movable latch plate 2.Referring to Fig. 8 and Fig. 9, when installing and using, also should on the well lid plate 23 under the intensification keyhole deepened on the part 5 of keyhole offer a well lid plate keyhole 231, and the fastening screw jack 232 that aligns mutually respectively of two fastening screws 19 below the positioning seat of offering on the well lid plate 23 with outer sleeve 6 overcoats 19.In Fig. 1 and Fig. 2, Reference numeral 24 is a manhole cover base.

Claims (4)

1, a kind of well lid lock, it is characterized in that, have one and be used for fixing the pin fastener that has the limited step of outside protrusion in the bottom of well lid backboard face one end, have a movable latch plate and a latch plate cushion block that is used for being contained in the relative other end of well lid backboard face, on movable latch plate and latch plate cushion block, offer the vertical screw hole that aligns mutually and in the hole, be equipped with standing screw upwards, have one and be used for fixing at well lid backboard face and deepen part for key provides the keyhole of deepening patchhole; Also have one and be used for rotating the private key of stirring described movable latch plate, this key has a vertical outer sleeve, the outer sleeve over top has the fixed handle that the level that is connected mutually with the outer sleeve top is being put, one end of fixed handle has the handle hitch that is connected mutually with it, the fixed handle top has a flexible handle, live mutually by pivot pin between one end of flexible handle and the handle hitch and be hinged, be fixed with on the handle hitch one between fixed handle and flexible handle and two ends respectively with fixed handle and the contacted stage clip of flexible handle, pine is with a depression bar in outer sleeve, after perforate on the fixed handle is passed on depression bar top, its top is hinged by living mutually between pivot pin and the flexible handle, the outer wall of the outer sleeve below fixed handle is fixed with a snap close seat, the snap close of living and being hinged mutually by horizontal pivot pin and snap close seat is housed in the snap close seat, the snap close front end is oblique sawtooth portion and passes the perforate on the outer sleeve wall and put in that outer sleeve is inner to be pasted mutually with the wall of depression bar, on the depression bar above the sawtooth portion of this snap close, be processed with the sawtooth catching groove that the sawtooth portion with snap close matches, be fixed with on the snap close seat one between snap close and outer sleeve and two ends respectively with snap close and the contacted stage clip of outer sleeve, has the limited step that protrudes from outside the outer sleeve tube wall on the outer sleeve below the snap close seat, the limited step below has pine and is enclosed within the outer positioning seat of outer sleeve, the positioning seat below has two fastening screws that are solidly fixed with the positioning seat bottom, outer sleeve upwards offers one section key bit vertically and embeds notch from its bottom, pine embeds a turned to key bit that is positioned at below the depression bar in this notch, can turn between key bit and the outer sleeve with a horizontal pivot pin mutually work be hinged.

2, well lid lock according to claim 1 is characterized in that, offers a vertical screw hole and be equipped with standing screw upwards on the pin fastener in the hole.

3, well lid lock according to claim 1 is characterized in that, two fastening screws that the positioning seat lower end connects are in the position at the same relative two radially of positioning seat.

4, well lid lock according to claim 1 is characterized in that, described between fixed handle and flexible handle and two ends respectively with fixed handle and the contacted stage clip of flexible handle, be by a screw on the handle hitch.

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