CN208830358U - The municipal well lid of the readily removable safety of one kind and extracting tool - Google Patents

Abstract

The utility model provides the municipal well lid of the readily removable safety of one kind and extracting tool, belongs to municipal works apparatus field.It solves the problems, such as existing well lid dismounting trouble.This readily removable municipal well lid of safety includes well seat and lid, well seat inner wall is equipped with baffle ring, it further include the support column that bottom end and baffle ring top surface are fixed, support top end is fixed with supporting block, it further include support plate, support column is threaded through in supported hole respectively, and support plate top surface outer is fixed with anti-sand sleeve, it further include the compressed spring of set on the support columns, anti-sand sleeve inner wall is equipped with locked groove；Removal hole there are two being set on lid, lid bottom surface is equipped with a ring cover ring, it further include two channel steels, channel steel includes being equipped with pole socket with bottom plate and two blocks of side plates, two pieces of side plate lateral surfaces, bezel ring, is equipped with perforation, it further include U-shaped pin, U-shaped pin includes two pin rods and push rod, and pin rod front end is threaded through in perforation, it is fixed with retaining ring on pin rod, further includes the reset spring covered on pin rod.This manhole cover anti-theft is good and convenient for disassembly and assembly.

Description

The municipal well lid of the readily removable safety of one kind and extracting tool

Technical field

The utility model belongs to municipal works equipment technical field, is related to the municipal well lid of the readily removable safety of one kind and disassembly work Tool.

Background technique

Important component of the sewer pipe as sewerage system already becomes the important municipal administration in urban construction Job facilities.After well lid used at present installs and uses a period of time, the gap between well seat and lid will be filled up by silt, Making to be again turned on becomes very laborious, can not open when serious or damage to well lid.

It is existing application No. is 201620468375.5, the Chinese utility model of entitled " municipal engineering manhole cover easy to maintain " is special Annular anti-sand sleeve is arranged at the gap between well seat and lid, and is fixed on anti-sand sleeve and lid underrun bullet for benefit The adjustable plate of spring connection, when disassembly, bolt is screwed on adjustment hole, so that bolt bottom end is pushed adjustable plate, and make under anti-sand sleeve It moves, and is separated with lid outer wall, filling up gap to avoid silt causes to open difficulty；But it has the following problems:

1, since lid is pressurized often, and use environment is complicated, thus the internal screw thread of adjustment hole be easy fail in compression or by Corrosion and damage, it is extremely difficult to keep complete, bolt can not be coupled after damage；

2, it since adjustable plate and anti-sand sleeve are fixed with lid, even if adjustable plate drives anti-sand sleeve to move down, but dismantles During lid, it is desired nonetheless to split out anti-sand sleeve together with lid out of well seat, it is therefore desirable to axially split out lid along well seat, and whole Anti-sand sleeve outer wall is always with wall friction in well seat in a disassembly process, although being avoided that sandstone influence, disassembly difficulty is not also low；

3, adjustable plate is circular plate structure, will increase lid weight, while influencing manhole cover structure.

In addition, existing, application No. is 201610893655.5, in entitled " a kind of antitheft municipal well lid detaching structure " State's patent of invention cooperates fixed lid using the card slot of steel plate and well seat inner wall in lid bottom by pin shaft junction steel plate, When disassembly, removal rod is screwed on removal hole, and removal rod is made to push cover board, rotates steel plate around pin shaft, and and card slot Separation, to dismantle lid；But it has the following problems:

1, consistent with the above problem, since lid is pressurized often, and use environment is complicated, therefore the internal screw thread of removal hole holds Easy fail in compression or by corrosion and damage, it is extremely difficult to keep complete, removal rod can not be coupled after damage；

2, due to needing the cooperation of more removal rods, it is therefore desirable to be spirally connected fixed removal rod by root, disassembly process is cumbersome；

3, after lid is mounted on well seat can not location and installation lid, cause card slot that can not successively cooperate with steel plate, therefore It needs to be directed at card slot and steel plate, installation is caused to bother；

4, the gap between lid and well seat does not have sand-prevention structure, is easy to be influenced by sandstone, causes to open difficulty, because It is necessary to improve for this.

Summary of the invention

The purpose of this utility model is for the above-mentioned problems in the prior art, and it is more preferable to provide a kind of anti-theft, Use occasion is wider, dismounts more laborsaving, the more convenient to use municipal well lid of readily removable safety and extracting tool.

The purpose of this utility model can be realized by the following technical scheme: a kind of readily removable municipal well lid of safety, including circle Annular wells seat and the circular plate lid being located in well seat, it is characterised in that: the well seat inner wall is equipped with annular baffle ring, baffle ring Top surface is lower than well seat top surface, and vertical with well seat inner wall, further includes the support column that several bottom ends and baffle ring top surface are fixed, support column Length direction is parallel with baffle ring axis, and support top end is fixed with supporting block, several supporting blocks and baffle ring axial line distance It is identical, and to surround the plane to be formed parallel with baffle ring top surface for several supporting blocks, further includes circular ring shape plate-like support plate, the branch Fagging is equipped with several supported holes, and several support columns are threaded through respectively in several supported holes, the support plate top Face outer is fixed with round shell-like anti-sand sleeve, further includes set compressed spring on the support columns, compressed spring both ends respectively with baffle ring Top surface and support plate bottom surface offset, and the anti-sand sleeve inner wall is coaxially provided with one of annular lock groove；

It is set on the lid there are two the removal hole for running through lid top and bottom, two removal holes are with lid axis Axial symmetry is distributed on lid, and removal hole depth direction is parallel with lid axis, and removal hole length direction is arranged radially along lid, Lid bottom surface is coaxially provided with a circle circular ring shape bezel ring, and bezel ring, outer diameter is identical as lid diameter, further includes two and is separately fixed at lid Channel steel on body bottom surface, the channel steel include fixed two pieces of the bottom plate and upper side edge and lid bottom surface parallel with lid bottom surface Side plate, two blocks of side plates are parallel to each other, and two pieces of side plate lower sides are connect with bottom plate both sides respectively, the channel steel length direction edge Lid is arranged radially, and parallel with removal hole length direction, is respectively equipped with pole socket on the opposite lateral surface of two blocks of side plates, Pole socket is equipped with rod aperture, and it further includes U-shaped pin that the bezel ring, which is equipped with perforation, U-shaped pin include two pin rods being parallel to each other and Both ends are respectively with two pin rod rear end push rods connected vertically, and activity is threaded through in the rod aperture of two pole sockets two pin rods respectively, And pin rod front end is threaded through in perforation respectively, is fixed with retaining ring on the pin rod, further includes covering on pin rod, and both ends are distinguished With the reset spring to offset on front side of retaining ring and pole socket, bottom outlet is additionally provided on the bottom plate, and two removal holes are along depth direction Projection is located on the bottom plate of two channel steels, and bottom outlet is located on removal hole along depth direction projection；

Several supporting blocks are withstood on respectively on bezel ring, bottom surface, and the compressed spring pushes support plate bottom surface, make to prevent Sand set is between lid and well seat, and anti-sand sleeve inner and outer wall is adjacent to lid outer wall and well seat inner wall respectively, anti-sand sleeve Top is aligned with well seat top surface and lid top surface respectively, and the reset spring pushes retaining ring, and push rod both ends is made to be against two respectively In block side plate back side edge, and make pin rod front end in locked groove, and the bottom outlet is located in support plate along depth direction projection.

After lid is mounted on well seat, since anti-sand sleeve inner and outer wall is adjacent to lid outer wall and well seat inner wall respectively, Anti-sand sleeve top is aligned with well seat top surface and lid top surface respectively, therefore is avoided that between lid and well seat and is blocked by silt, is led It causes to open difficulty, and is cooperated using pin rod and locked groove, opposite lid and anti-sand sleeve can be locked, since anti-sand sleeve passes through support column phase To being fixed on well seat, thus can opposite locking lid and well seat, and since locked groove is the ring structure positioned at anti-sand sleeve inner wall, There is no need to location and installation lid, so that it is easier for installation, and since the support plate connecting with anti-sand sleeve is connected to well seat On baffle ring, therefore during disassembly lid, without wall friction in anti-sand sleeve outer wall and well seat, therefore can more laborsaving disassembly lid Body, and support plate is circular ring shape plate structure, can effectively reduce the influence to well lid.

In the above-mentioned municipal well lid of the readily removable safety of one kind, the bezel ring, bottom surface is coaxially provided with one of annular mounting groove, Mounting groove slot bottom is parallel with lid bottom surface, and extends towards bezel ring, edge, and when supporting block is against on bezel ring, bottom surface, supporting block top End is against mounting groove slot bottom, and supporting block side wall is against in installation groove groove wall.

Therefore fast and easy installs lid.

A kind of extracting tool for the municipal well lid of readily removable safety, it is characterised in that: including the identical disassembly of two shapes Mechanism, disassembly mechanism include outer diameter and removal hole circle shell-like fixing sleeve of same size, are coaxially provided with internal thread hole in fixing sleeve, Further include top be fixed with handwheel with externally threaded removal rod, it further includes bar that the removal rod, which is screwed on internal thread hole, Diameter fixed link identical with fixed cover external diameter, fixed rod rear end are connect with fixing sleeve bottom end outer wall vertical, further include non-circular bar In the connector sleeve of connecting rod one end, connector sleeve is equipped with pin hole, is equipped with pin on pin hole, sell for shape connecting rod and activity engagement sleeves The extension spring that both ends are connect with pin rear end with pin hole outer end respectively is cased on son, the connecting rod bar wall is equipped with pin The same axial position of fixing sleeve outer wall that slot, the connecting rod other end and the connector sleeve other end distinguish two disassembly mechanisms connects It connects, and corresponding two removal rods of two disassembly mechanisms are parallel to each other, corresponding two fixed links coaxial arrangement, and two fixations The setting of bar front end relative orientation.

This extracting tool relatively moves two handwheels in use, fixing sleeve is packed into removal hole, and move down in place later, Make handwheel distance reduce, and make fixed link front end push push rod, separate pin rod front end with locked groove, and fixed link be clipped in bottom plate and Between lid bottom surface, and keep extracting tool relatively fixed with lid, rotation hand wheel drives removal rod rotation later, and makes removal rod Relatively fixed set moves down, and removal rod bottom end passes through bottom outlet, and pushes support plate, makes support plate that anti-sand sleeve be driven to move down, and energy It holds handwheel and dismantles the lid from well seat.Therefore this extracting tool uses very convenient, even if disassembly bore portion damage It is bad, extracting tool disassembly lid will not be influenced, therefore the service life is longer, use occasion is wider, and same with lid fixation When pin rod can be made to separate with locked groove, with quick release, and push support plate jointly by two removal rod bottom ends, be avoided that support The excessive stress of plate single-point causes disassembly difficult.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, equipped with both ends point in the connector sleeve The return spring not connect with connecting rod one end and fixing sleeve outer wall, and in return spring stretchy connecting rod retraction connector sleeve.

Therefore after extracting tool is separated with lid, two disassembly mechanism spacing can quickly be reduced using return spring, it is convenient Storage.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, two connect with two removal holes are torn open In release mechanism, a handwheel is rotated clockwise, another handwheel rotates counterclockwise, then corresponding two removal rods are relatively fixed Set is moved down or is moved up with respect to fixing sleeve.

Two handwheel direction of rotation are on the contrary, more convenient two handwheels can be rotated respectively using both hands.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the connecting rod bar wall is along connecting rod Length direction is distributed with several cotter ways.

Cooperated by several cotter ways in connecting rod and the pin on connector sleeve, extracting tool versatility can be improved, can be fitted Close the lid of different size.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the removal rod bottom end outer wall is fixed There is block, the fixing sleeve bottom end is equipped with caulking groove, and energy rotation hand wheel, makes block in caulking groove, and block can be by tearing open Bar is unloaded to move down and pass through bottom outlet.

Block plays position-limiting action.

In a kind of above-mentioned extracting tool for the municipal well lid of readily removable safety, the pole socket is plate structure, and It is cut for side plate and turns up to be formed, the side plate upper side edge, which is bent to form, is bonded fixed company with lid underrun fastener Fishplate bar.

Therefore structure is simple, easy to make.

A kind of assembly and disassembly methods of the municipal well lid of readily removable safety, it is characterised in that: including disassembly well lid method and installation well lid Method,

Dismantle well lid method are as follows: hold handwheel and pull to expand two handwheel spacing, two fixed links are respectively cooperating with Two removal holes are packed into, fixing sleeve fitting removal hole apertura lateralis wall enters in removal hole, moves down fixing sleeve in place, make fixing sleeve bottom End is against on bottom plate, and fixed link bar wall is against on bottom plate at this time, is held handwheel and is cooperated by connecting rod and connector sleeve, makes two Fixed distance between tie rods reduces, and is against two fixing sleeves respectively on the inside of removal hole on hole wall, and pin is embedded in cotter way, and fixed link Front end pushes push rod, it is mobile towards pole socket to make retaining ring, and separate pin rod front end with locked groove, and fixed link is clipped in bottom plate and lid bottom Between face, and keep extracting tool relatively fixed with lid, and bottom outlet is aligned with removal rod, both hands rotate two handwheels respectively and drive Removal rod rotation, and the relatively fixed set of removal rod is moved down, removal rod bottom end passes through bottom outlet, and pushes support plate, makes support plate It drives anti-sand sleeve to move down, hold handwheel and dismantles the lid from well seat；

Well lid method is installed are as follows: hold and move handwheel, lid is packed into well seat, rotation hand wheel drives removal rod rotation Turn, makes block in caulking groove, move up anti-sand sleeve and be located between lid and well seat, post-tensioning pin is held and pulls one Handwheel increases two handwheel spacing, and two handwheels are held respectively and pulled to both hands later, makes on the outside of fixing sleeve fitting removal hole On hole wall, handwheel is held and pulls up, and extracting tool is dismantled out of removal hole, and reset spring drives pin rod to reset, and makes pin Bar front end is in locked groove.

By the above method, i.e., lid is dismantled or installed using this extracting tool on well seat.

Compared with prior art, the utility model has the advantages that

1, sand-prevention structure is formed by anti-sand sleeve, it can more laborsaving disassembly lid；

It 2,, can more laborsaving disassembly lid without wall friction in anti-sand sleeve outer wall and well seat during dismantling lid；

3, it is set as helicitic texture without removal hole, the service life is longer, and use occasion is wider；

4, without passing through the mounting and dismounting tool that is spirally connected, more convenient dismounting；

5, lid can be locked using pin rod and locked groove cooperation, anti-theft effect is more preferable, and since locked groove is ring structure, Without location and installation lid.

6, after mounting and dismounting tool, pin rod can be made to separate with locked groove to unlock, and keeps extracting tool and lid quickly solid It is fixed.

Detailed description of the invention

Fig. 1 is well lid and extracting tool cooperation main view and partial sectional view.

Fig. 2 is the partial enlarged view of Fig. 1.

Fig. 3 is lid bottom view and partial sectional view.

Fig. 4 is the partial enlarged view of Fig. 3.

Fig. 5 is that lid and extracting tool cooperate fragmentary bottom cross-sectional view.

In figure,

1, well seat；11, baffle ring；12, support column；13, supporting block；14, compressed spring；

2, lid；21, removal hole；22, bezel ring,；23, mounting groove；24, it perforates；

3, channel steel；31, bottom plate；32, side plate；33, pole socket；34, bottom outlet；35, connecting plate；

4, pin rod；41, push rod；42, retaining ring；43, reset spring；

5, support plate；51, anti-sand sleeve；52, locked groove；

6, fixing sleeve；61, fixed link；62, caulking groove；

7, removal rod；71, handwheel；72, block；

8, connecting rod；81, connector sleeve；82, pin；83, extension spring；84, return spring.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figs. 1-5, a kind of readily removable municipal well lid of safety of the utility model, including circular ring shape well seat 1 and it is located at well seat 1 Interior circular plate lid 2,1 inner wall of well seat are equipped with annular baffle ring 11, and 11 top surface of baffle ring is lower than 1 top surface of well seat, and in well seat 1 Wall is vertical, further includes the support column 12 that several bottom ends and 11 top surface of baffle ring are fixed, 12 length direction of support column and 11 axis of baffle ring In parallel, 12 top of support column is fixed with supporting block 13, and several supporting blocks 13 are identical as 11 axial line distance of baffle ring, and several supporting blocks 13 to surround the plane to be formed parallel with 11 top surface of baffle ring, further includes circular ring shape plate-like support plate 5, support plate 5 is equipped with several Hole is supportted, and several support columns 12 are threaded through respectively in several supported holes, 5 top surface outer of support plate is fixed with round shell-like anti-sand sleeve 51, further include the compressed spring 14 covered on support column 12,14 both ends of compressed spring respectively with 5 bottom of 11 top surface of baffle ring and support plate Face offsets, and 51 inner wall of anti-sand sleeve is coaxially provided with one of annular lock groove 52；

It is set on lid 2 there are two the removal hole 21 for running through 2 top and bottom of lid, two removal holes 21 are with 2 axis of lid It is distributed on lid 2 for axial symmetry, 21 depth direction of removal hole is parallel with 2 axis of lid, and 21 length direction of removal hole is along lid 2 It is arranged radially, 2 bottom surface of lid is coaxially provided with a circle circular ring shape bezel ring, 22, and 22 outer diameter of bezel ring, is identical as 2 diameter of lid, further includes Two channel steels 3 being separately fixed on 2 bottom surface of lid, channel steel 3 include the bottom plate 31 and upper side edge parallel with 2 bottom surface of lid with Two blocks of fixed side plates 32 of 2 bottom surface of lid, two blocks of side plates 32 are parallel to each other, and two pieces of 32 lower sides of side plate respectively with 31 liang of bottom plate Side connection, 3 length direction of channel steel is arranged radially along lid 2, and parallel with 21 length direction of removal hole, and two blocks of side plates 32 are opposite Pole socket 33 is respectively equipped on lateral surface, pole socket 33 is equipped with rod aperture, and it further includes U-shaped pin, U-shaped that bezel ring, 22, which is equipped with perforation 24, Pin include two pin rods 4 being parallel to each other and both ends respectively with two 4 rear end of pin rod push rods 41 connected vertically, two pin rods 4 Activity is threaded through in the rod aperture of two pole sockets 33 respectively, and 4 front end of pin rod is threaded through respectively in perforation 24, is fixed on pin rod 4 Retaining ring 42, further include cover on pin rod 4, and both ends respectively with the reset spring 43 that offsets on front side of retaining ring 42 and pole socket 33, bottom plate Bottom outlet 34 is additionally provided on 31, and two removal holes 21 project along the bottom plate 31 for being located at two channel steels 3 along depth direction, and Bottom outlet 34 is located on removal hole 21 along depth direction projection；

Several supporting blocks 13 are withstood on respectively on 22 bottom surface of bezel ring, and compressed spring 14 pushes 5 bottom surface of support plate, make anti-sand sleeve 51 Between lid 2 and well seat 1, and 51 inner and outer wall of anti-sand sleeve is adjacent to 2 outer wall of lid and 1 inner wall of well seat respectively, sand prevention It covers 51 tops to be aligned with 1 top surface of well seat and 2 top surface of lid respectively, reset spring 43 pushes retaining ring 42, makes 41 both ends of push rod point It is not against in two pieces of 32 back side edges of side plate, and makes 4 front end of pin rod in locked groove 52, and bottom outlet 34 projects position along depth direction In in support plate 5.

Further, 22 bottom surface of bezel ring, is coaxially provided with one of annular mounting groove 23, and 23 slot bottom of mounting groove and 2 bottom surface of lid are flat Row, and extend towards 22 edge of bezel ring, and when supporting block 13 is against on 22 bottom surface of bezel ring, 13 top of supporting block is against mounting groove 23 Slot bottom, 13 side wall of supporting block are against on 23 cell wall of mounting groove.

After lid 2 is mounted on well seat 1, due to 51 inner and outer wall of anti-sand sleeve respectively with 1 inner wall of 2 outer wall of lid and well seat It is adjacent to, 51 top of anti-sand sleeve is aligned with 1 top surface of well seat and 2 top surface of lid respectively, therefore is avoided that quilt between lid 2 and well seat 1 Silt blocking is caused to open difficulty, and is cooperated using pin rod 4 and locked groove 52, opposite can lock lid 2 and anti-sand sleeve 51, due to Anti-sand sleeve 51 is relatively fixed on well seat 1 by support column 12, therefore opposite can lock lid 2 and well seat 1, and due to locked groove 52 For positioned at the ring structure of 51 inner wall of anti-sand sleeve, there is no need to location and installation lid 2 so that easier for installation, and due to The support plate 5 that anti-sand sleeve 51 connects is connected on the baffle ring 11 of well seat 1, therefore during disassembly lid 2, without outside anti-sand sleeve 51 Wall friction in wall and well seat 1, therefore the more laborsaving disassembly lid 2 of energy, and support plate 5 is circular ring shape plate structure, can effectively be subtracted Few influence to well lid.

A kind of extracting tool for the municipal well lid of readily removable safety, including the identical disassembly mechanism of two shapes, demountor Structure includes outer diameter and the circle shell-like fixing sleeve 6 of same size of removal hole 21, is coaxially provided with internal thread hole in fixing sleeve 6, further includes Top be fixed with handwheel 71 with externally threaded removal rod 7, removal rod 7 is screwed on internal thread hole, further includes bar diameter and fixation The identical fixed link 61 of 6 outer diameters is covered, it further includes non-circular rod-shaped that 61 rear end of fixed link is connect with 6 bottom end outer wall vertical of fixing sleeve In the connector sleeve 81 of 8 one end of connecting rod, connector sleeve 81 is equipped with pin hole, is equipped with pin on pin hole for connecting rod 8 and activity engagement sleeves Son 82, is cased with the extension spring 83 that both ends are connect with 82 rear end of pin with pin hole outer end respectively on pin 82, on 8 bar wall of connecting rod Equipped with cotter way, the same axial position of 6 outer wall of fixing sleeve of 8 other end of connecting rod and 81 other end of connector sleeve, two disassembly mechanisms of difference Connection is set, and corresponding two removal rods 7 of two disassembly mechanisms are parallel to each other, corresponding two fixed links 61 coaxial arrangement, and Two 61 front end relative orientation of fixed link settings.

Further, the return bullet being connect respectively with 8 one end of connecting rod and 6 outer wall of fixing sleeve in connector sleeve 81 equipped with both ends Spring 84, and in 84 stretchy connecting rod 8 of return spring retraction connector sleeve 81.Two disassembly mechanisms being connect with two removal holes 21 In, a handwheel 71 rotates clockwise, another handwheel 71 rotates counterclockwise, then corresponding two removal rods 7 are relatively fixed Set 6 is moved down or is moved up with respect to fixing sleeve 6.8 bar wall of connecting rod is distributed with several cotter ways along 8 length direction of connecting rod.Disassembly 7 bottom end outer wall of bar is fixed with block 72, and 6 bottom end of fixing sleeve is equipped with caulking groove 62, and energy rotation hand wheel 71, makes block 72 embedded in caulking groove In 62, and block 72 can be moved down by removal rod 7 and pass through bottom outlet 34.Pole socket 33 is plate structure, and simultaneously for the cutting of side plate 32 It turns up to be formed, 32 upper side edge of side plate, which is bent to form, is bonded fixed connecting plate 35 with 2 underrun fastener of lid.

This extracting tool and is moved down in place, relatively moves two hands later in use, fixing sleeve 6 is packed into removal hole 21 Wheel 71, makes handwheel 71 apart from reduction, and 61 front end of fixed link is made to push push rod 41, separates 4 front end of pin rod with locked groove 52, and Fixed link 61 is clipped between 2 bottom surface of bottom plate 31 and lid, and keeps extracting tool and lid 2 relatively fixed, later rotation hand wheel 71 It drives removal rod 7 to rotate, and moves down the relatively fixed set 6 of removal rod 7, and 7 bottom end of removal rod passes through bottom outlet 34, and pushes branch Fagging 5 makes support plate 5 that anti-sand sleeve 51 be driven to move down, and can hold handwheel 71 and dismantle the lid 2 from well seat 1.Cause This this extracting tool is using very convenient, even if 21 partial destruction of removal hole, will not influence extracting tool disassembly lid 2, because The service life is longer for this, and use occasion is wider, and with lid 2 it is fixed while pin rod 4 can be made to separate with locked groove 52, quickly to solve Lock, and support plate 5 is pushed jointly by two 7 bottom ends of removal rod, it is avoided that the excessive stress of 5 single-point of support plate, causes disassembly tired It is difficult.

A kind of assembly and disassembly methods of the municipal well lid of readily removable safety, including disassembly well lid method and installation well lid method,

Dismantle well lid method are as follows: hold handwheel 71 and pull to expand two 71 spacing of handwheel, two fixed links 61 are divided Two removal holes 21 are not fitted into, and fixing sleeve 6 is bonded 21 apertura lateralis wall of removal hole and enters in removal hole 21, moves down fixing sleeve 6 In place, it is against 6 bottom end of fixing sleeve on bottom plate 31,61 bar wall of fixed link is against on bottom plate 31 at this time, is held handwheel 71 and is passed through Connecting rod 8 and connector sleeve 81 cooperate, and reduce two 61 spacing of fixed link, are against two fixing sleeves 6 respectively in removal hole 21 On side opening wall, and pin 82 is embedded in cotter way, and 61 front end of fixed link pushes push rod 41, keeps retaining ring 42 mobile towards pole socket 33, and It separates 4 front end of pin rod with locked groove 52, and fixed link 61 is clipped between 2 bottom surface of bottom plate 31 and lid, and makes extracting tool and lid Body 2 is relatively fixed, and bottom outlet 34 is aligned with removal rod 7, and both hands rotate two handwheels 71 respectively and removal rod 7 is driven to rotate, and make The relatively fixed set 6 of removal rod 7 moves down, and 7 bottom end of removal rod passes through bottom outlet 34, and pushes support plate 5, and support plate 5 is made to drive sand prevention Set 51 moves down, and holds handwheel 71 and dismantles lid 2 from well seat 1；

Well lid method is installed are as follows: hold and move handwheel 71, lid 2 is packed into well seat 1, rotation hand wheel 71 drives Removal rod 7 rotates, and makes block 72 in the caulking groove 62, moves up anti-sand sleeve 51 and between lid 2 and well seat 1, rear pulling pin Son 82, holds and pulls a handwheel 71, increases two 71 spacing of handwheel, both hands are held respectively and pull two handwheels later 71, it is bonded fixing sleeve 6 on 21 outside hole wall of removal hole, holds and pull up handwheel 71, and the disassembly disassembly work out of removal hole 21 Tool, and reset spring 43 drives pin rod 4 to reset, and makes 4 front end of pin rod in locked groove 82.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although be used more herein well seat 1, baffle ring 11, support column 12, supporting block 13, compressed spring 14, lid 2, Removal hole 21, bezel ring, 22, mounting groove 23, perforation 24, channel steel 3, bottom plate 31, side plate 32, pole socket 33, bottom outlet 34, connecting plate 35, pin Bar 4, push rod 41, retaining ring 42, reset spring 43, support plate 5, anti-sand sleeve 51, locked groove 52, fixing sleeve 6, fixed link 61, caulking groove 62, The terms such as removal rod 7, handwheel 71, block 72, connecting rod 8, connector sleeve 81, pin 82, extension spring 83, return spring 84, but It does not exclude the possibility of using other terms.It is practical new the use of these items is only for being more convenient to describe and explain this The essence of type；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims (8)

1. a kind of municipal well lid of readily removable safety, including circular ring shape well seat (1) and the circular plate lid (2) being located in well seat (1), It is characterized by: well seat (1) inner wall is equipped with annular baffle ring (11), baffle ring (11) top surface is lower than well seat (1) top surface, and with Well seat (1) inner wall is vertical, further includes the support column (12) that several bottom ends and baffle ring (11) top surface are fixed, support column (12) length side To parallel with baffle ring (11) axis, support column (12) top is fixed with supporting block (13), several supporting blocks (13) and gear Ring (11) axial line distance is identical, and to surround the plane to be formed parallel with baffle ring (11) top surface for several supporting blocks (13), further includes circle Annular plate-like support plate (5), the support plate (5) is equipped with several supported holes, and several support columns (12) are respectively It is threaded through in several supported holes, the support plate (5) top surface outer is fixed with round shell-like anti-sand sleeve (51), further includes covering propping up Compressed spring (14) on dagger (12), compressed spring (14) both ends respectively with baffle ring (11) top surface and support plate (5) bottom surface phase It supports, the anti-sand sleeve (51) inner wall is coaxially provided with one of annular lock groove (52)；

Set on the lid (2) there are two run through lid (2) top and bottom removal hole (21), two removal holes (21) with Lid (2) axis is that axial symmetry is distributed on lid (2), and removal hole (21) depth direction is parallel with lid (2) axis, removal hole (21) length direction is arranged radially along lid (2), and lid (2) bottom surface is coaxially provided with a circle circular ring shape bezel ring, (22), bezel ring, (22) Outer diameter is identical as lid (2) diameter, further includes two channel steels (3) being separately fixed on lid (2) bottom surface, the channel steel It (3) include the fixed two pieces of side plates (32) of the bottom plate parallel with lid (2) bottom surface (31) and upper side edge and lid (2) bottom surface, two Block side plate (32) is parallel to each other, and two pieces of side plate (32) lower sides are connect with bottom plate (31) both sides respectively, and the channel steel (3) is long Degree direction is arranged radially along lid (2), and parallel with removal hole (21) length direction, opposite outer of two pieces of side plates (32) It is respectively equipped on side pole socket (33), pole socket (33) is equipped with rod aperture, and the bezel ring, (22) is equipped with perforation (24), further includes U-shaped pin, U-shaped pin include two pin rods (4) being parallel to each other and both ends respectively with two pin rod (4) rear end push rods connected vertically (41), activity is threaded through in the rod aperture of two pole sockets (33) two pin rods (4) respectively, and pin rod (4) front end is threaded through wears respectively In hole (24), be fixed with retaining ring (42) on the pin rod (4), further include cover on pin rod (4), and both ends respectively with retaining ring (42) reset spring (43) that offsets and on front side of pole socket (33) is additionally provided with bottom outlet (34) on the bottom plate (31), and two are torn open It unloads hole (21) to be located on the bottom plate (31) of two channel steels (3) along depth direction projection, and bottom outlet (34) is thrown along depth direction Shadow is located on removal hole (21)；

Several supporting blocks (13) are withstood on respectively on bezel ring, (22) bottom surface, and the compressed spring (14) pushes support plate (5) bottom surface is located at anti-sand sleeve (51) between lid (2) and well seat (1), and anti-sand sleeve (51) inner and outer wall respectively with lid (2) outer wall and well seat (1) inner wall are adjacent to, and anti-sand sleeve (51) top is aligned with well seat (1) top surface and lid (2) top surface respectively, institute The reset spring (43) stated pushes retaining ring (42), is against push rod (41) both ends respectively in two pieces of side plate (32) back side edges, and make Pin rod (4) front end is in locked groove (52), and the bottom outlet (34) is located on support plate (5) along depth direction projection.

2. the municipal well lid of the readily removable safety of one kind according to claim 1, it is characterised in that: described bezel ring, (22) bottom surface is same Axis is equipped with one of annular mounting groove (23), and mounting groove (23) slot bottom is parallel with lid (2) bottom surface, and prolongs towards bezel ring, (22) edge It stretches, and when supporting block (13) is against on bezel ring, (22) bottom surface, supporting block (13) top is against mounting groove (23) slot bottom, supporting block (13) side wall is against on mounting groove (23) cell wall.

3. a kind of extracting tool for the readily removable municipal well lid of safety as claimed in claim 2, it is characterised in that: including two shapes The identical disassembly mechanism of shape, disassembly mechanism include outer diameter and removal hole (21) circle shell-like fixing sleeve (6) of same size, fixing sleeve (6) in be coaxially provided with internal thread hole, further include top be fixed with handwheel (71) with externally threaded removal rod (7), described tears open It unloads bar (7) to be screwed on internal thread hole, further includes bar diameter fixed link (61) identical with fixing sleeve (6) outer diameter, fixed link (61) Rear end is connect with fixing sleeve (6) bottom end outer wall vertical, further includes non-circular rod-shaped connecting rod (8) and activity engagement sleeves in connecting rod (8) connector sleeve (81) of one end, connector sleeve (81) are equipped with pin hole, are equipped with pin (82) on pin hole, pin is cased on (82) The extension spring (83) that both ends are connect with pin (82) rear end with pin hole outer end respectively, the connecting rod (8) bar wall are equipped with Fixing sleeve (6) outer wall that cotter way, the connecting rod (8) other end and connector sleeve (81) other end distinguish two disassembly mechanisms is same The connection of one axial position, and corresponding two removal rods (7) of two disassembly mechanisms are parallel to each other, corresponding two fixed links (61) Coaxial arrangement, and two fixed link (61) front end relative orientation settings.

4. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 3, it is characterised in that: described The return spring (84) being connect respectively with connecting rod (8) one end and fixing sleeve (6) outer wall in connector sleeve (81) equipped with both ends, and return Position spring (84) stretchy connecting rod (8) is retracted in connector sleeve (81).

5. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 4, it is characterised in that: with two In two disassembly mechanisms of removal hole (21) connection, a handwheel (71) is rotated clockwise, another handwheel (71) revolves counterclockwise Turn, then corresponding two removal rods (7) move down with respect to fixing sleeve (6) or opposite fixing sleeve (6) move up.

6. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 5, it is characterised in that: described Connecting rod (8) bar wall is distributed with several cotter ways along connecting rod (8) length direction.

7. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 6, it is characterised in that: described Removal rod (7) bottom end outer wall is fixed with block (72), and the fixing sleeve (6) bottom end is equipped with caulking groove (62), and can rotation hand wheel (71), make block (72) in caulking groove (62), and block (72) can be moved down by removal rod (7) and pass through bottom outlet (34).

8. a kind of extracting tool for the municipal well lid of readily removable safety according to claim 7, it is characterised in that: described Pole socket (33) be plate structure, and for side plate (32) cut and turn up to be formed, the side plate (32) upper side edge be bent to form with The fixed connecting plate (35) of lid (2) underrun fastener fitting.