CN110453728A - A kind of municipal administration anti-stealing manhole cover - Google Patents

Abstract

The invention discloses a kind of municipal anti-stealing manhole covers, including cover board and pedestal, the pedestal includes base ring and the side ring that is connected on base ring, fixed ring is provided between the cover board and base ring, the fixed ring upper surface is provided with the placing groove being put into for cover board in inside edge, the fixed ring upper surface is circumferentially spaced to be provided at least four fixing grooves, all fixing groove bottom walls are rotatably connected to fixed link, in accommodating, groove sidewall is circumferentially spaced to be provided with quantity stretching slot identical with fixing groove to the fixed ring, the stretching slot is connected to fixing groove, fixed column is slidably connected in at least three stretching slots, the cover sidewall is circumferentially spaced to be provided with quantity link slot identical with fixing groove, telescopic component is provided between the fixed link and fixed column.Theft personnel need to rotate all fixed links, can remove cover board, need to take a substantial amount of time, to increase the difficulty of theft, and then effectively prevent well lid stolen.

Description

A kind of municipal administration anti-stealing manhole cover

Technical field

The present invention relates to the technical field of inspection well cover, in particular to a kind of municipal administration anti-stealing manhole cover.

Background technique

Have a lot of underground pipings in inspection well cover urban construction, for example, sewer, underground gas pipeline, water supply pipe, Power pipe, communication conduit, national defence pipeline etc., these pipelines lead to the outlet on ground every a Duan Yaoyou mono-, by pipeline to This section on ground is known as inspection shaft, and catch pit port is usually concordant with ground, it is therefore desirable to a lid, for the lid of lid inspection shaft, It is inspection well cover.Inspection well cover is usually made of materials such as reinforced concrete, metal, reinforced plastics, and shape is based on round and rectangular.

The Chinese patent of Publication No. CN105201020A discloses a kind of inspection well cover, which is by being mounted on inspection shaft The cover seat of manhole of upper end, the well lid being mounted on cover seat of manhole, screw rod and inspection shaft pedestal composition.Well lid bolt is equipped in the centre of well lid Hole, the inspection well cover further include screw rod, and the upper end of screw rod is mounted by means of bolts in the well lid bolt hole among well；Inspection shaft bottom The fixed bottom end for being located at inspection shaft of seat, also is provided with bolt of lower base hole in the centre of inspection shaft pedestal；The lower end of screw rod is fixedly mounted on basement In the bolt of lower base hole of shaft bottom seat bottom end, which further includes screw support component, and screw support component is by nut bracket, spiral shell Base and tapered cup nut composition, the lower end of screw rod are successively threadedly coupled with nut bracket, nut seat and tapered cup nut respectively；Spiral shell Female bracket is fixed with inspection shaft pedestal, and nut seat is equipped with below nut bracket, and nut seat will be under screw rod by tapered cup nut End is fixed with nut bracket.

Above-mentioned inspection well cover has the following deficiencies: and need to only screw out fixing bolt, can separate well lid with inspection shaft pedestal, from And make well lid stolen, therefore have much room for improvement.

Summary of the invention

In view of the above technical defects, the object of the present invention is to provide a kind of municipal anti-stealing manhole cover, well lid can be prevented It is stolen.

To achieve the above object, the present invention provides the following technical scheme that

A kind of municipal anti-stealing manhole cover, including cover board and pedestal, the pedestal include base ring and the side that is connected on base ring Ring, the upper surface of the base ring and the inner wall of side ring form the holding tank being put into for cover board, are arranged between the cover board and base ring There is fixed ring, the fixed ring upper surface is provided with the placing groove being put into for cover board, the fixed ring upper surface in inside edge Circumferentially spaced to be provided at least four fixing grooves, all fixing groove bottom walls are rotatably connected to fixed link, the fixation In placing, groove sidewall is circumferentially spaced to be provided with quantity stretching slot identical with fixing groove, the stretching slot and fixing groove company to ring It is logical, slidably connect fixed column at least three the stretchings slots, the cover sidewall is circumferentially spaced be provided with quantity and The identical link slot of fixing groove, is provided with telescopic component between the fixed link and fixed column.

By using above-mentioned technical proposal, fixed link, at least three fixed link meetings and fixed column are provided in placing groove Connection, therefore steal personnel and need to rotate all fixed links, cover board can be removed, need to take a substantial amount of time, from And increase the difficulty of theft, and then effectively prevent well lid stolen；And personnel are filled when installing cover board, it is only necessary to rotate and fixed The fixed link of column connection, it is time saving and energy saving.

The present invention is further arranged to: the telescopic component includes the fixation gear being set in fixed link, the fixation The one end of column far from cover board is connected with the stationary rack engaged with fixed gear along the length direction for stretching out slot.

By using above-mentioned technical proposal, fixed link is rotated, drives fixed gear rotation, fixed gear drives stationary rack It is mobile, so that fixed column is caught in the link slot on cover board, so that cover board be connect with fixed ring.

The present invention is further arranged to: the fixed link upper surface is connected with fixed plate, is provided in the fixed plate interior Triangular groove.

By using above-mentioned technical proposal, when dismantling cover board need that fixed link can be rotated with specific triangle spanner, To further increase the difficulty of theft.

The present invention is further arranged to: the cover board is connected with the rubber sleeve being caught in for fixed column in link slot inner wall.

By using above-mentioned technical proposal, when fixed column is caught in link slot, rubber sleeve be squeezed generate deformation to It is close to fixed column side wall, so that there are frictional force between rubber sleeve and fixed column, improves the stable connection of fixed column and link slot Property；Meanwhile cover board, when being impacted, rubber sleeve can alleviate a part of impact force, and can prevent fixed column and link slot Inner wall collides, and avoids issuing the sound.

The present invention is further arranged to: the fixed ring is provided in fixing groove opening for covering fixed channel opening Separator, the separator include isolation plectane, and the isolation plectane is extended to towards being connected at the one side edge of fixed link Isolated tube in fixing groove, the opposite two sides of the isolation pipe outer wall are respectively connected with arc block, and the fixed ring is in fixed channel opening The length direction for locating two lateral edge fixing grooves is provided with the locating slot being caught in for arc strip, and the fixed ring is under two locating slots End is provided with the rotation slot for being caught in and rotating for arc strip around fixing groove axis direction.

By using above-mentioned technical proposal, fixed channel opening can be isolated from the outside by separator, to prevent fixed link It is directly exposed to the external world, fixed link can not only be prevented to be rusted, and can prevent thief from directly finding fixed link, is mentioned Height stealing difficulty, further increases anti-theft performance；By the arc block alignment locating slot on isolated tube, determine so that arc block is caught in In the slot of position, so that isolated tube enters in fixing groove, isolated tube is then rotated, arc block is screwed in into rotation slot, and then by isolated tube It is fixed in fixing groove, isolated tube is prevented to be detached from fixing groove.

The present invention is further arranged to: the base ring upper surface is circumferentially spaced to be provided at least two rounded bufferings Slot, the side of the fixed ring towards base ring is circumferentially spaced to be provided at least two limiting slots being connected to dashpot, described Be provided with gag lever post in limiting slot and dashpot jointly, the opening of the dashpot and limiting slot be connected separately with buffering ring and Stop collar, one end of the gag lever post towards limiting slot is connected with the limit plectane parallel with limit groove bottom wall, the other end connects Have and is mounted on cushion, the base ring with the parallel buffering plectane of buffering groove bottom wall, the bottom wall of the dashpot and limiting slot The side being close to fixed ring is connected with silencing pad.

By using above-mentioned technical proposal, gag lever post both ends pass through buffering plectane respectively and limit plectane is fixed on dashpot In limiting slot, to prevent fixed ring from separating with base ring；Meanwhile the pressure of cover board upper end can be transmitted on gag lever post, limit The cushion at position bar both ends generates the impact force that a part can be buffered while deformation, and cushion deformation causes under gag lever post Drop, so that fixed ring declines, also deformation occurs by fixed ring extruding for silencing pad, further alleviates impact force, to keep away Exempt from fixed ring because impact force generates offset and collides with pedestal and then issue the sound.

The present invention is further arranged to: circumferentially spaced between limit plectane and the stop collar to be provided at least two limits Position spring, it is circumferentially spaced between buffering plectane and the buffering ring to be provided at least two buffer springs.

By using above-mentioned technical proposal, silencing pad can bounce fixed ring when reset, and limit spring one end can Stop collar is held out against, to reduce the amplitude that fixed ring bounces, avoids something unexpected happened.

The present invention is further arranged to: the side ring inner wall is connected with the ring that holds out against that outer wall is close to side ring inner wall, described Hold out against ring inner wall it is circumferentially spaced be provided with that several are close to fixed ring outer wall hold out against arc block.

By using above-mentioned technical proposal, the one end for holding out against arc block can hold out against fixed ring outer wall, so as to prevent because The outer wall and side ring inner wall of fixed ring collide and generate the sound.

The present invention is further arranged to: the cover board upper surface is equipped with warning sign.

By using above-mentioned technical proposal, caution slogan is printed on warning sign, and the personnel of theft well lid are warned.

In conclusion the invention has the following advantages:

1, fixed ring is connect by the way that several fixed links and fixed column are arranged with cover board, increase that theft personnel needs expend when Between, reduce the stolen risk of cover board；

2, cushion and silencing pad can effectively reduce the sound issued when well lid is impacted, to avoid influence people daily Rest.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of embodiment；

Fig. 2 is schematic cross-sectional view of the Fig. 1 along the face A-A；

Fig. 3 is the enlarged structure schematic diagram of B area in Fig. 2；

Fig. 4 is the structural schematic diagram of fixed link and fixed column in embodiment, for showing the connection between fixed link and fixed column Relationship；

Fig. 5 is the part configuration schematic diagram of embodiment；

Fig. 6 is the enlarged structure schematic diagram in the region C in Fig. 5.

Description of symbols: 1, cover board；11, link slot；12, rubber sleeve；13, warning sign；2, pedestal；21, base ring；211, Dashpot；212, buffering ring；213, cushion；22, side ring；221, ring is held out against；222, arc block is held out against；23, holding tank；3, fixed Ring；31, placing groove；32, fixing groove；33, fixed link；331, fixed plate；332, Triangle ID slot；34, slot is stretched out；35, fixed column； 36, locating slot；37, rotation slot；38, limiting slot；39, stop collar；4, telescopic component；41, fixed gear；42, stationary rack；5, Separator；51, plectane is isolated；52, isolated tube；53, arc block；6, gag lever post；61, plectane is buffered；62, plectane is limited；63, it limits Position spring；64, buffer spring；9, silencing pad.

Specific embodiment

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

A kind of municipal anti-stealing manhole cover, as shown in Figure 1, including cover board 1 and pedestal 2, pedestal 2 is fixed on inspection shaft upper end, Cover board 1 is mounted on pedestal 2.

As shown in Figure 1,1 upper surface of cover board is fixedly connected with warning sign 13, caution slogan is printed on warning sign 13, thus The personnel of theft well lid are warned, it is made to stop larceny.

As shown in Fig. 2, Fig. 3, Fig. 5, pedestal 2 includes rounded base ring 21,21 upper surface outer edge one of base ring at Type has side ring 22, and the inner wall of side ring 22 and the upper surface of base ring 21 form the holding tank 23 being put into for cover board 1.Peace in holding tank 23 Equipped with the fixed ring 3 for fixing cover board 1,3 upper surface of fixed ring offers the placing groove being put into for cover board 1 in inside edge 31,3 upper surface of fixed ring is circumferentially spaced to offer eight fixing grooves 32, and each 32 bottom wall central of fixing groove is equal along the vertical direction It is rotatably connected to the rounded fixed link 33 in section.Fixed link 33 is fixedly connected with rounded away from one end of 32 bottom wall of fixing groove Fixed plate 331,331 outer wall of fixed plate is close to 32 inner wall of fixing groove, and 331 upper surface of fixed plate offers Triangle ID slot 332, installation personnel, which has to be caught in Triangle ID slot 332 with specific triangle spanner, is just able to rotate fixed link 33.Fixed ring 3 in 31 side wall of placing groove is circumferentially spaced to offer eight stretching slots 34 being connected to fixing groove 32, wherein in four stretching slots 34 Slidably connect the fixed column 35 of rectangular in cross-section.

As shown in Figure 3, Figure 4, each fixed column 35 is connect by telescopic component 4 with fixed link 33, and telescopic component 4 includes The fixation gear 41 for being set in 33 lower end of fixed link and being close to 38 bottom wall of limiting slot, fixed column 35 are solid away from one end of cover board 1 Surely it is connected with the stationary rack 42 engaged with fixed gear 41, fixed link 33 is rotated clockwise and fixed column 35 can be released and stretched out Slot 34.1 side wall of cover board is circumferentially spaced to offer eight link slots 11 being caught in for fixed column 35.Cover board 1 is put into placing groove After in 31, fixed link 33 is rotated clockwise, so that fixed gear 41 be driven to rotate clockwise, will be fixed by stationary rack 42 Column 35 releases stretching slot 34 and cover board 1 is fixed on fixed ring 3 so that fixed column 35 is caught in the link slot 11 on cover board 1 On.Theft personnel can not learn the quantity of fixed column 35, it is therefore desirable to rotate all fixed links 33, can tear cover board 1 open Under, it needs to take a substantial amount of time, to increase the difficulty of theft, and then effectively prevent well lid stolen；And installation personnel exists When cover board 1 is installed, it is only necessary to the fixed link 33 that rotation is connect with fixed column 35, it is time saving and energy saving.

As shown in figure 3, cover board 1 is fixedly connected with the rubber sleeve 12 being caught in for fixed column 35 in 11 inner wall of link slot.It is fixed When column 35 is caught in link slot 11, rubber sleeve 12, which is squeezed, generates deformation to be close to 35 side wall of fixed column, so that rubber sleeve There are frictional force between 12 and fixed column 35, improve the connective stability of fixed column 35 and link slot 11；Meanwhile cover board 1 by When impact, rubber sleeve 12 can alleviate a part of impact force, and can prevent fixed column 35 from touching with 11 inner wall of link slot It hits, avoids issuing the sound.

As shown in figure 3,21 upper surface of base ring is circumferentially spaced to offer eight sections as circular dashpot 211, fix The side of ring 3 towards base ring 21 is circumferentially spaced to be provided with eight limiting slots being connected to dashpot 211 38, each limiting slot 38 It is circular gag lever post 6 with section is placed in dashpot 211 jointly.The opening of dashpot 211 and limiting slot 38 difference It is fixedly connected with buffering ring 212 and stop collar 39, the inner wall of buffering ring 212 and stop collar 39 is close to 6 outer wall of gag lever post, limits One end of position bar 6 towards limiting slot 38 is connected with the limit plectane 62 parallel with 38 bottom wall of limiting slot, the other end is connected with and delays The parallel buffering plectane 61 of 211 bottom wall of jet-bedding.The both ends of gag lever post 6 are fixed on slow by buffering plectane 61 and limit plectane 62 respectively In jet-bedding 211 and limiting slot 38, so that fixed ring 3 can not be detached from base ring 21.

As shown in figure 3, the bottom wall of dashpot 211 and limiting slot 38 is fixedly connected to cushion 213 made of rubber, The side that base ring 21 is close to fixed ring 3 is fixedly connected with silencing pad 9, and the opposite two sides of silencing pad 9 are acoustical cotton, and middle part is rubber Glue material matter.Meanwhile the pressure of 1 upper end of cover board can be transmitted on gag lever post 6, the cushion 213 at 6 both ends of gag lever post generates deformation While can buffer a part impact force, 213 deformation of cushion cause gag lever post 6 decline so that under fixed ring 3 Drop, also deformation occurs by the extruding of fixed ring 3 for silencing pad 9, further alleviates impact force, to avoid fixed ring 3 because of impact Power generates offset and collides with pedestal 2 and then issue the sound.Limit 62 both ends of the plectane fixed company between stop collar 39 respectively It connects there are two limit spring 63, buffering 61 both ends of plectane are fixedly connected with that there are two buffer springs 64 between buffering ring 212 respectively. Silencing pad 9 can bounce fixed ring 3 when reset, and 63 one end of limit spring can hold out against stop collar 39, to reduce fixation The amplitude that ring 3 bounces, avoids something unexpected happened.

As shown in Fig. 3, Fig. 6, fixed ring 3 is equipped with the isolation for covering the opening of fixing groove 32 in 32 opening of fixing groove Part 5, separator 5 include isolation plectane 51, and isolation plectane 51 is extended to towards being fixedly connected at the one side edge of fixed link 33 Isolated tube 52 in fixing groove 32,52 outer wall of isolated tube are close to 32 inner wall of fixing groove.The opposite two sides of 52 outer wall of isolated tube are solid Surely it is connected with arc block 53, fixed ring 3 is offered in the length direction of the opposite two lateral edges fixing groove 32 of 32 opening of fixing groove The locating slot 36 being caught in respectively for arc strip, fixed ring 3 are opened up around 32 axis direction of fixing groove in two 36 lower ends of locating slot There is the rotation slot 37 for being caught in and rotating for arc strip.Fixing groove 32 can be open and be isolated from the outside by separator 5, to prevent solid Fixed pole 33 is directly exposed to the external world, and fixed link 33 can not only be prevented to be rusted, and can be avoided thief and directly find Fixed link 33 improves stealing difficulty, further increases antitheft so that thief can not directly learn the method for dismounting of cover board 1 Performance.Arc block 53 on isolated tube 52 is directed at locating slot 36, to arc block 53 is caught in locating slot 36, so that isolation Pipe 52 enters in fixing groove 32, then rotates clockwise isolated tube 52, arc block 53 is screwed in rotation slot 37, and then by isolated tube 52 are fixed in fixing groove 32, and isolated tube 52 is prevented to be detached from fixing groove 32.

As shown in Figure 5, Figure 6, the inner wall of side ring 22 be fixedly connected with it is made of rubber hold out against ring 221, hold out against in ring 221 Circumferentially spaced be fixedly connected with of wall holds out against arc block 222, holds out against 222 one end of arc block and holds out against 3 outer wall of fixed ring.When vehicle crosses When, it prevents fixed ring 3 from shifting, 3 outer wall of fixed ring and 22 inner wall of side ring is avoided to collide and generate the sound.

Use process:

When cover board 1 is installed, cover board 1 is placed in placing groove 31, Triangle ID slot triangle spanner being caught in fixed plate 331 In 332, fixed link 33 is rotated clockwise, so that fixed column 35 is caught in link slot 11, so that cover board 1 is fixed on placing groove 31 It is interior, finally the arc block 53 on isolated tube 52 is caught in locating slot 36, then along isolated tube 52 is rotated clockwise, by arc block 53 It is caught in rotation slot 37, to complete the installation of well lid.

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 (9)

1. a kind of municipal anti-stealing manhole cover, including cover board (1) and pedestal (2), the pedestal (2) includes base ring (21) and connects The side ring (22) being connected on base ring (21), the upper surface of the base ring (21) and the inner wall formation of side ring (22) are put for cover board (1) The holding tank (23) entered is provided with fixed ring (3) between the cover board (1) and base ring (21), fixed ring (3) upper surface in Inside edge is provided with the placing groove (31) being put into for cover board (1), fixed ring (3) upper surface is circumferentially spaced be provided with to Few four fixing grooves (32), all fixing groove (32) bottom walls are rotatably connected to fixed link (33), the fixed ring (3) in Placing groove (31) side wall is circumferentially spaced to be provided with quantity and fixing groove (32) identical stretching slot (34), the stretching slot (34) It is connected to, is slidably connected fixed column (35) in at least three stretching slots (34), cover board (1) side with fixing groove (32) Wall is circumferentially spaced to be provided with quantity and fixing groove (32) identical link slot (11), the fixed link (33) and fixed column (35) Between be provided with telescopic component (4).

2. a kind of municipal anti-stealing manhole cover according to claim 1, it is characterised in that: the telescopic component (4) includes It is set on fixed link (33) and fixes gear (41), the one end of the fixed column (35) far from cover board (1) is along stretching slot (34) Length direction is connected with the stationary rack (42) engaged with fixed gear (41).

3. a kind of municipal anti-stealing manhole cover according to claim 2, it is characterised in that: fixed link (33) upper surface It is connected with fixed plate (331), is provided with Triangle ID slot (332) on the fixed plate (331).

4. a kind of municipal anti-stealing manhole cover according to claim 3, it is characterised in that: the cover board (1) is in link slot (11) inner wall is connected with the rubber sleeve (12) being caught in for fixed column (35).

5. a kind of municipal anti-stealing manhole cover according to claim 4, it is characterised in that: the fixed ring (3) is in fixation Slot (32) opening is provided with the separator (5) for covering fixing groove (32) opening, and the separator (5) includes isolation plectane (51), isolation plectane (51) is towards being connected with the isolation extended in fixing groove (32) at the one side edge of fixed link (33) It manages (52), the opposite two sides of isolated tube (52) outer wall are respectively connected with arc block (53), and the fixed ring (3) is in fixing groove (32) The length direction of two lateral edge fixing groove (32) of opening is provided with the locating slot (36) being caught in for arc strip, the fixed ring (3) fixing groove (32) axis direction is provided with the rotation slot for being caught in and rotating for arc strip in two locating slot (36) lower ends (37)。

6. a kind of municipal anti-stealing manhole cover according to claim 1, it is characterised in that: base ring (21) the upper surface edge It is provided at circumferentially spaced at least two rounded dashpots (211), lateral edge week of the fixed ring (3) towards base ring (21) To being arranged at intervals at least two limiting slots (38) being connected to dashpot (211), the limiting slot (38) and dashpot (211) It is inside provided with jointly gag lever post (6), the opening of the dashpot (211) and limiting slot (38) is connected separately with buffering ring (212) and stop collar (39), one end of gag lever post (6) towards the limiting slot (38) are connected with parallel with limiting slot (38) bottom wall Limit plectane (62), the other end be connected with the buffering plectane (61) parallel with dashpot (211) bottom wall, the dashpot (211) it is mounted on cushion (213) with the bottom wall of limiting slot (38), the side that the base ring (21) is close to fixed ring (3) It is connected with silencing pad (9).

7. a kind of municipal anti-stealing manhole cover according to claim 6, it is characterised in that: the limit plectane (62) and limit It is circumferentially spaced between position ring (39) to be provided at least two limit springs (63), the buffering plectane (61) and buffering ring (212) circumferentially spaced between to be provided at least two buffer springs (64).

8. a kind of municipal anti-stealing manhole cover according to claim 1, it is characterised in that: side ring (22) the inner wall connection There is outer wall to hold out against ring (221) with what side ring (22) inner wall was close to, it is described hold out against ring (221) inner wall it is circumferentially spaced be provided with it is several It is a to hold out against arc block (222) with what fixed ring (3) outer wall was close to.

9. a kind of municipal anti-stealing manhole cover according to claim 1, it is characterised in that: cover board (1) the upper surface peace Equipped with warning sign (13).