CN108104172B - A kind of anti-stealing manhole cover and its dedicated tripper - Google Patents

Abstract

The invention discloses a kind of anti-stealing manhole cover and its dedicated trippers, anti-stealing manhole cover includes pedestal, well lid and locking device, at least two drainage holes are provided on well lid, locking device includes being rotatably connected on well lid bottom and locking wheel corresponding with drainage hole, locking plate on locking wheel is set, locked groove corresponding with locking plate is provided on base inner wall, locking wheel is equipped with rotation hole that is all the same with drain hole shape size and being overlapped, locking device is arranged below well lid, and rotation hole is overlapped with drainage hole, it seems on the outside of from well lid with camouflage effectiveness, enhance the concealment of locking device, and the dedicated tripper of anti-stealing manhole cover includes shell, the intracorporal gear set of shell is set and the rotating bar of gear set bottom is set, end is provided with the rotating member with rotation hole cooperation, it can be rotated simultaneously by gear set and rotating member All locking wheels, it is simple to operate, and can be completed using one-handed performance.

Description

A kind of anti-stealing manhole cover and its dedicated tripper

Technical field

The present invention relates to a kind of well lid, in particular to a kind of anti-stealing manhole cover and its dedicated tripper.

Background technique

Currently, the transmission line of electricity for being embedded in underground is provided with inspection-pit, manhole cover is installed on inspection-pit.It checks Well lid is usually made of the pedestal being fixed on inspection-pit matrix and the upper cover being mounted on the base, the peace between pedestal and upper cover There are mainly two types of assembling structures: one is covering type structure, upper cover can be opened from pedestal and is kept completely separate with pedestal；It is another It is flip structure, upper cover and pedestal are linked together using articulated manner, and upper cover can be along hinged shaft Unscrew or closing.For It prevents manhole cover stolen, usually installs weld tabs additional in the through hole of winning of upper cover or install five between upper cover and pedestal The measures such as corner bolt.

Currently, the Chinese patent document that Authorization Notice No. is CN201406694Y in the prior art discloses, one kind is novel to prevent Manhole cover and its special opening sleeve, including upper cover and pedestal are stolen, one end of upper cover, which is cut with scissors by hinged shaft with pedestal, to be filled and cooperate It is mounted on the interior along upper of pedestal, is formed with a dislodging through-hole on the upper lid of the other end of corresponding hinged shaft, it is radial at the edge of upper cover It is uniformly formed with lockhole, the bottom surface in each lockhole is equipped with First Five-Year Plan corner bolt with made interior engage along common screw thread of pedestal, often A lockhole is the round hole being mutually communicated and the combination bore of rectangular opening, and round hole is used for the discrepancy of special opening sleeve, by this Five corner bolts can be put into lockhole inner cavity or take out five corner bolts from lockhole inner cavity by round hole, and the width of rectangular opening is less than circle The diameter in shape hole is suitable for the upright bar transverse shifting of special opening sleeve, has that anti-theft performance is strong, structure is simple, installs and opens Open convenience, feature low in cost.

Although five corner bolts are more special, in the market without the opener of dedicated five corner bolt, lockhole setting exists Well lid surface, other people can observe specific fixed structure easily, and the simple work of cooperation is produced further according to the shape of bolt Tool is not difficult, and is easy to be destroyed, it is difficult to play anti-theft performance.

Summary of the invention

The object of the present invention is to provide a kind of anti-stealing manhole cover and its dedicated trippers, have unlocking manner hidden, antitheft The high effect of performance.

Above-mentioned technical purpose of the invention has the technical scheme that

A kind of anti-stealing manhole cover, including pedestal, well lid and locking device are provided at least two drainage holes on the well lid, The locking device include be rotatably connected on well lid bottom and at least two locking wheels corresponding with drainage hole, setting is being locked Locking plate on bearing up pulley is provided with locked groove corresponding with locking plate on the base inner wall, and the drainage hole is oval, the locking Wheel is equipped with and the rotation hole that is along the vertical direction overlapped all the same with drain hole shape size, any locking wheel and well lid it Between be provided with the clockwork spring for making locking wheel automatically reset after rotation, one end of the clockwork spring connect with locking wheel, The other end is connect with well lid bottom.

By using above-mentioned technical proposal, when well lid lid closes pedestal, locking plate is mutually clamped with the locked groove on base inner wall, Make well lid that can not be opened, only rotation lock bearing up pulley deviates from locking plate from locked groove, well lid can be opened, and locking device is set It sets below well lid, and the rotation hole on locking wheel is all the same with drain hole shape size and is overlapped along the vertical direction, from well lid Outside seems the drainage hole for making one can only to notice surface with camouflage effectiveness and the presence that is difficult to find locking device, increases The strong concealment of locking device, so that other people be made to be difficult to find that the method for opening well lid, and under the action of clockwork spring, makes Locking wheel is generated counter-rotational trend by the elastic force effect of clockwork spring in rotation, to make locking wheel after release Can rotation reset, only rotate all locking wheels simultaneously, all locking plates made to separate with locked groove simultaneously and can open well lid, increase The strong anti-theft effect of well lid.

The present invention is further arranged to: two limits being centrosymmetric centered on rotation hole are provided on the locking wheel Position hole, two limit holes are to be respectively set in two limit holes using the center of rotation hole as the arc-shaped of the center of circle There are two fixing bolts being centrosymmetric centered on rotation hole, the head of the fixing bolt is set to locking wheel far from well The side of lid, the bar portion of the fixing bolt pass through corresponding limit hole and connect with well lid bottom thread.

By using above-mentioned technical proposal, the displacement of locking wheel along the vertical direction is limited using the head of fixing bolt, when When locking wheel rotates, centrosymmetric two fixing bolts circumferentially move in two limit holes respectively, limit fixing bolt The angle that can be rotated.

The present invention is further arranged to: the locking wheel towards the mounting groove being provided on the end face of well lid in circular ring shape, The clockwork spring is set in mounting groove.

By using above-mentioned technical proposal, clockwork spring is protected using mounting groove, and is tightened admittedly towards well lid direction Determine bolt, locking wheel and well lid bottom mutual extrusion can be made, thus rotate locking wheel can not, and clockwork spring is placed in It can be avoided in mounting groove and being bonded between locking wheel and well lid caused to hinder.

The present invention is further arranged to: the locking wheel is far from being provided with handler, the handler on the end face of well lid Centre is provided with through-hole that is identical as rotation hole and being overlapped.

, can be from well lid rotated down locking wheel using handler by using above-mentioned technical proposal, and handler is in waist Shape is convenient for being hold by one hand and rotate, when someone be in well and well lid is closed when locking, can from below rotation lock bearing up pulley from And it opens well lid and escapes from, and ensure that the drainage effect of drainage hole and the concealment of locking device using through-hole.

The present invention is further arranged to: one end of the well lid and pedestal is hinged, the other end is equipped with groove, the groove two Pull rod is provided between side wall.

By using above-mentioned technical proposal, well lid and pedestal are hingedly further enhanced to the anti-theft of well lid, and when lock After tight device is opened, well lid can be easily opened using the pull rod of the well lid other end.

The present invention is further arranged to: the well lid edge is equipped with a circle chimb, and the opening of the pedestal is equipped with a circle With the side slot of chimb cooperation, the side slot is interior to be equipped with rubber washer.

By using above-mentioned technical proposal, chimb and side slot cooperate, and the connection enhanced between well lid and pedestal is steady Solidity not only increases the leakproofness between well lid and pedestal using rubber washer, and enhances the damping of well lid, anti-jump effect Fruit.

A kind of dedicated tripper of anti-stealing manhole cover, including shell, setting in the intracorporal gear set of shell and are arranged in gear The rotating bar of group bottom, the gear set includes master gear and at least two linkage gears, the linkage gear and master gear phase It mutually engages and extends respectively to be provided with above the drainage hole of locking wheel, one end of the rotating bar and the linkage above drainage hole Gear is fixedly connected, the other end pierces into downwards in drainage hole and end is provided with the rotating member with rotation hole cooperation.

By using above-mentioned technical proposal, rotating member is entered from drainage hole and is embedded into rotation hole, recycles main tooth Wheel drives linkage gear rotation, so that rotating bar be driven to rotate, so that rotating member is driven locking wheel rotation, carries out to well lid and pedestal Unlock.

The present invention is further arranged to: the solution lock handle being fixedly connected with master gear is provided on the shell.

By using above-mentioned technical proposal, drives master gear to rotate using unlock handle, to open well lid, reach and be convenient for The effect for operating and using.

The present invention is further arranged to: the solution lock handle includes the interconnecting piece connecting with master gear, another with interconnecting piece Hinged handle portion is held, grab handle is provided on the end of the handle portion, is set on the handle portion close to one end of grab handle It is equipped with barb.

By using above-mentioned technical proposal, after rotating member is embedded in rotation hole, rotation solution lock handle simultaneously drives locking to rotate It is dynamic, deviate from locking plate from locked groove, handle portion is rotated towards groove direction then and makes barbs hold pull rod, then towards the bottom of far from Seat direction pulls grab handle, so that well lid is opened, it is simple to operate, and can be completed using one-handed performance.

In conclusion the invention has the benefit that

1, it is mutually clamped by locking plate and the locked groove on base inner wall, makes well lid that can not be opened, only rotation lock bearing up pulley Deviate from locking plate from locked groove, well lid can be opened, and locking device is arranged below well lid, and the rotation hole on locking wheel It is all the same with drain hole shape size and be overlapped along the vertical direction, from well lid on the outside of seem with camouflage effectiveness, making one can only It notices the drainage hole on surface and is difficult to find the presence of locking device, the concealment of locking device is enhanced, to make other people It is difficult to find that the method for opening well lid；

2, by the way that clockwork spring is arranged between locking wheel and well lid, make bullet of the locking wheel in rotation by clockwork spring Power acts on and generates counter-rotational trend, thus make locking wheel after release can rotation reset, only rotate simultaneously all Locking wheel, well lid can be opened by separating all locking plates with locked groove simultaneously, enhance the anti-theft effect of well lid.

Detailed description of the invention

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the structural schematic diagram of well lid and locking device of the invention；

Fig. 3 is the configuration schematic diagram of locking wheel of the invention；

Fig. 4 is the configuration schematic diagram of tripper of the invention；

Fig. 5 is the attachment structure schematic diagram of barb and well lid of the invention.

Appended drawing reference: 1, pedestal；2, well lid；3, locking device；4, drainage hole；5, groove；6, pull rod；7, chimb；8, side Slot；9, rubber washer；10, locking wheel；11, locking plate；12, locked groove；13, limit hole；14, fixing bolt；15, threaded hole；16, turn Dynamic hole；17, mounting groove；18, clockwork spring；19, handler；20, through-hole；21, shell；22, gear set；23, rotating bar；24, Upper cover plate；25, lower plate；26, master gear；27, linkage gear；28, rotating member；29, lock handle is solved；30, interconnecting piece；31, Hand；32, grab handle；33, barb.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

Present embodiment discloses a kind of anti-stealing manhole covers, as shown in Figure 1, include pedestal 1, the well lid 2 that is set on pedestal 1 with It is set to the locking device 3 of 2 bottom of well lid, is offered on well lid 2 remote along centrosymmetric two drainage holes 4 in the center of circle, well lid 2 One end from two drainage holes 4 and pedestal 1 is hinged, fluted 5 are opened up on end face of the other end far from pedestal 1, in two in groove 5 The pull rod 6 convenient for open manhole cover 2 is welded between side wall.

As shown in Figure 1,2 edge of well lid encloses chimb 7 integrally formed with one, and the opening of pedestal 1 is integrally formed with a circle The side slot 8 cooperated with chimb 7, chimb 7 and side slot 8 cooperate, and enhance the stable connection between well lid 2 and pedestal 1.Side slot It is provided with rubber washer 9 in 8, not only increases the leakproofness between well lid 2 and pedestal 1 using rubber washer 9, and enhance well The damping of lid 2, anti-jump effect.

As shown in Figure 1 and Figure 2, locking device 3 includes being rotatably connected on 2 bottom of well lid and corresponding with two drainage holes 4 respectively Two locking wheels 10, the locking plate 11 that is welded on 10 side wall of locking wheel, offered on 1 inner wall of pedestal and locking plate 11 cooperate Locked groove 12.When well lid 2, which covers, closes pedestal 1, the locked groove 12 on locking plate 11 and 1 inner wall of pedestal is mutually clamped, and beat well lid 2 can not It opens.And drainage hole 4 is oval, and offers among locking wheel 10 all the same with 4 shape size of drainage hole and along the vertical direction The rotation hole 16 of coincidence drives locking wheel 10 to rotate, to make locking plate 11 from locked groove 12 using tool and the cooperation of rotation hole 16 Deviate from and opens well lid 2.And locking device 3 is arranged below well lid 2, and rotation hole 16 is overlapped along the vertical direction with drainage hole 4, The drainage hole 4 for making one can only to notice surface with camouflage effectiveness is seemed on the outside of well lid 2 and is difficult to find locking device 3 Presence, enhance the concealment of locking device 3, thus make other people be difficult to find that open well lid 2 method.

As shown in Fig. 2, two limit holes 13 being centrosymmetric centered on rotation hole 16 are offered on locking wheel 10, two A limit hole 13 is arc-shaped with rotation hole 16 for the center of circle, and is separately installed in two limit holes 13 with rotation hole 16 and is Two fixing bolts 14 that the heart is centrosymmetric, 2 bottom of well lid offer threaded hole 15 corresponding with fixing bolt 14.Fixed spiral shell The bar portion of bolt 14 pass through corresponding limit hole 13 after is threadedly coupled with threaded hole 15, and the head of fixing bolt 14 and tighten wheel far Side from well lid 2 abuts, the displacement of limitation locking wheel 10 along the vertical direction, when locking wheel 10 rotates, centrosymmetric two A fixing bolt 14 circumferentially moves in two limit holes 13 respectively, the angle that limitation fixing bolt 14 can rotate.

As shown in Figure 2 and Figure 3, locking wheel 10 is towards the mounting groove 17 offered on the end face of well lid 2 in circular ring shape, installation The clockwork spring 18 for making locking wheel 10 automatically reset after rotation, one end of clockwork spring 18 and locking are fixedly connected in slot 17 10 connection of wheel, the other end and 2 bottom of well lid connect.Under the action of clockwork spring 18, send out locking wheel 10 in rotation The elastic force effect of bar spring 18 and generate counter-rotational trend, thus make locking wheel 10 after release can rotation reset, and Two locking wheels 10 are only rotated simultaneously, and well lid 2 can be opened by separating two locking plates 11 with locked groove 12 simultaneously, enhance well The anti-theft effect of lid 2.And after the rotation of locking wheel 10 separates locking plate 11 with locked groove 12, by fixing bolt 14 towards 2 direction of well lid It tightens, locking wheel 10 and 2 bottom mutual extrusion of well lid can be made so that locking device 3 is kept unlocked state, just to relatively fixed It is operated in the case where needing and frequently opening well lid 2, and clockwork spring 18 is placed in mounting groove 17 and can be avoided to locking wheel Being bonded between 10 and well lid 2 causes to hinder.

As shown in Fig. 2, utilizing 19 energy of handler integrally formed with handler 19 on end face of the locking wheel 10 far from well lid 2 It enough being capable of rotation lock from below when someone is in well and well lid 2 closes locking from 2 rotated down locking wheel 10 of well lid Wheel 10 is escaped to opening well lid 2, and through-hole 20 that is identical as rotation hole 16 and being overlapped is offered among handler 19, using logical Hole 20 ensure that the drainage effect of drainage hole 4 and the concealment of locking device 3.

The present embodiment also discloses a kind of dedicated tripper of anti-stealing manhole cover, as shown in Figure 1, shown in Figure 5, including shell 21, The gear set 22 being mounted in shell 21 and two rotating bars 23 being fixedly connected with 22 bottom of gear set, wherein shell 21 wraps The upper cover plate 24 and lower plate 25 being hinged are included, gear set 22 includes the master gear 26 and two being rotatably connected on lower plate 25 A linkage gear 27, two linkage gears 27 are engaged and are respectively arranged at corresponding with two drainage holes 4 with master gear 26 respectively Position.Two rotating bars 23 are respectively along the axis setting of two linkage gears 27, one end of rotating bar 23 and corresponding linkage gear 27 bottom is welded, the other end enters in drainage hole 4 downward through lower plate 25, and passes through the end of drainage hole 4 in rotating bar 23 The oval rotating member 28 cooperated with rotation hole 16 is welded in portion.

As shown in Figure 2, Figure 4 shows, solution lock handle 29 is fixedly connected on master gear 26, solution lock handle 29 includes being welded in main tooth The interconnecting piece 30 and the hinged handle portion 31 of 30 other end of interconnecting piece of 26 axial locations are taken turns, handle portion 31 is far from interconnecting piece 30 Grab handle 32 is welded on end.Rotating member 28 is entered from drainage hole 4 and is embedded into rotation hole 16, by rotating grab handle 32 drive master gear 26 to rotate, and rotating bar 23 is driven to rotate, and make rotating member 28 that locking wheel 10 be driven to rotate, to make locking plate 11 Deviate from from locked groove 12 and well lid 2 and pedestal 1 are unlocked, achievees the effect that convenient for operating and using.

As shown in Figure 4, Figure 5, one end on handle portion 31 close to grab handle 32 is hinged with barb 33, when rotation grab handle 32 After being unlocked to well lid 2, handle portion 31 is rotated towards 5 direction of groove and barb 33 is made to catch on the pull rod 6 in groove 5, Then grab handle 32 is pulled towards far from 1 direction of pedestal, so that well lid 2 is opened, it is simple to operate, and singlehanded behaviour can be utilized It completes.

In conclusion the concrete operations process of the present embodiment is as follows:

When well lid 2, which covers, closes pedestal 1, the locked groove 12 on locking plate 11 and 1 inner wall of pedestal is mutually clamped, and makes well lid 2 can not be by It opens.

It is first that the rotating member 28 of two 23 ends of rotating bar is right respectively when being unlocked using tripper to well lid 2 A quasi- drainage hole 4, then rotating bar 23, which is put into drainage hole 4, keeps rotating member 28 mutually embedding with the rotation hole 16 on locking wheel 10 It closes, then rotates grab handle 32 and handle portion 31 and interconnecting piece 30 is driven to rotate, and drive master gear 26 and two linkage gears 27 Rotation, makes two rotating bars 23 that corresponding rotating member 28 be driven to rotate simultaneously with locking wheel 10 respectively, to make two locking plates 11 Deviate from from locked groove 12, then keep 32 rotational angle of grab handle constant, handle portion 31 is rotated towards 2 direction of well lid, is made down Hook 33 catches on the pull rod 6 in groove 5, grab handle 32 is pulled towards the direction far from pedestal 1, so that well lid 2 be opened.

When someone is in well and well lid 2 closes locking, by rotating the handler 19 on two locking wheels 10 simultaneously, It separates two locking plates 11 with locked groove 12 simultaneously, then pushes away i.e. openable well lid 2 upward, to enable a person to open well lid from below 2 escape from.

This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this All by the protection of Patent Law in the scope of the claims of invention.

Claims (8)

1. a kind of anti-stealing manhole cover, including pedestal (1), well lid (2) and locking device (3), it is characterised in that: on the well lid (2) Be provided at least two drainage holes (4), the locking device (3) include be rotatably connected on well lid (2) bottom and with drainage hole (4) Locking plate (11) on locking wheel (10) is arranged in corresponding at least two locking wheel (10), sets on pedestal (1) inner wall It is equipped with locked groove (12) corresponding with locking plate (11), the drainage hole (4) is oval, and the locking wheel (10) is equipped with and draining Hole (4) shape size is all the same and the rotation hole (16) that is overlapped along the vertical direction, any locking wheel (10) and well lid (2) it Between be provided with the clockwork spring (18) for making locking wheel (10) automatically reset after rotation, one end of the clockwork spring (18) with Locking wheel (10) connection, the other end and well lid (2) bottom connect；It is arranged on the end face of the locking wheel (10) separate well lid (2) Have handler (19), through-hole (20) that is identical as rotation hole (16) and being overlapped is provided among the handler (19).

2. anti-stealing manhole cover according to claim 1, it is characterised in that: be provided on the locking wheel (10) with rotation hole (16) two limit holes (13) being centrosymmetric centered on, two limit holes (13) are with the center of rotation hole (16) For the arc-shaped of the center of circle, two limit holes (13) are interior to be respectively arranged with two to be centrosymmetric centered on rotation hole (16) A fixing bolt (14), the head of the fixing bolt (14) is set to the side of locking wheel (10) far from well lid (2), described solid The bar portion for determining bolt (14) passes through corresponding limit hole (13) and connect with well lid (2) bottom thread.

3. anti-stealing manhole cover according to claim 2, it is characterised in that: end face of the locking wheel (10) towards well lid (2) On be provided with mounting groove (17) in circular ring shape, the clockwork spring (18) is set in mounting groove (17).

4. anti-stealing manhole cover according to claim 1, it is characterised in that: one end of the well lid (2) and pedestal (1) it is hinged, The other end is equipped with groove (5), is provided with pull rod (6) between groove (5) two sidewalls.

5. anti-stealing manhole cover according to claim 1, it is characterised in that: well lid (2) edge is equipped with circle chimb (7), The opening of the pedestal (1) is equipped with the side slot (8) of a circle with chimb (7) cooperation, is equipped with rubber washer in the side slot (8) (9)。

6. a kind of dedicated tripper of anti-stealing manhole cover, it is characterised in that: including shell (21), the tooth being arranged in shell (21) Wheel group (22) and setting gear set (22) bottom rotating bar (23), the gear set (22) include master gear (26) at least Two linkage gears (27), the linkage gear (27) and master gear (26) are intermeshed and extend respectively to be provided with locking wheel (10) above drainage hole (4), one end of the rotating bar (23) and the fixed company of linkage gear (27) above drainage hole (4) It connects, the other end pierces into downwards in drainage hole (4) and end is provided with the rotating member (28) with rotation hole (16) cooperation.

7. the dedicated tripper of anti-stealing manhole cover according to claim 6, it is characterised in that: be arranged on the shell (21) There is the solution lock handle (29) being fixedly connected with master gear (26).

8. the dedicated tripper of anti-stealing manhole cover according to claim 7, it is characterised in that: solution lock handle (29) packet Include the interconnecting piece (30) connecting with master gear (26) and the hinged handle portion (31) of interconnecting piece (30) other end, the handle portion (31) it is provided on end grab handle (32), one end on the handle portion (31) close to grab handle (32) is provided with barb (33)。