CN208701753U - A kind of municipal well lid detaching structure of safety - Google Patents

Abstract

The utility model provides a kind of municipal well lid detaching structure of safety, belongs to municipal works apparatus field.It solves the problems, such as existing well lid dismounting trouble.Safety municipal administration well lid detaching structure, including well lid and extracting tool, well lid includes well seat and lid, well seat inner wall is equipped with baffle ring and locked groove, and lid is equipped with removal hole, and lid bottom surface is equipped with fixing groove, cooperation is embedded with closing piece in fixing groove, closing piece outer wall is equipped with one of bar slot, and lockhole is equipped in lid, is equipped with locking bar in lockhole；Extracting tool includes stripping ring and adjusting ring, stripping ring and adjusting ring are fixed with upper connecting base and lower connecting base, upper connecting base is equipped with perforation, lower connecting base is equipped with interstage sleeve, disassembly mechanism includes removal rod and adjusting rod, and adjusting rod bottom end and removal rod top are hinged, and adjusting rod top is fixed with upper connecting base, disassembly mechanism further includes fixed link, and fixed link is connect with removal rod bottom end by connecting rod.This manhole cover anti-theft is good and convenient for disassembly and assembly.

Description

A kind of municipal well lid detaching structure of safety

Technical field

The utility model belongs to municipal works equipment technical field, is related to a kind of municipal well lid detaching structure of safety.

Background technique

Existing well lid generally utilizes extracting tool pull-up to open, and disassembly difficulty is low, causes anti-theft performance poor, while well lid exists When maintenance, deep-well will be formed on road surface, so that passer-by or vehicle can fall into Shen Dongzhong between careless, sent out Raw safety accident.

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

1, since lid is pressurized often, and use environment is complicated, thus the internal screw thread of removal hole be 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；It is therefore desirable to improve.

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, the municipal well lid detaching structure of safety more convenient to use.

The purpose of this utility model can be realized by the following technical scheme: a kind of municipal well lid detaching structure of safety, packet Include well lid and the extracting tool for dismounting well lid, the well lid includes circular ring shape well seat and the circular plate that is located in well seat Lid, it is characterised in that: the well seat inner wall is equipped with annular baffle ring, and baffle ring top surface is lower than well seat top surface, and with well seat inner wall Vertically, the well seat inner wall is coaxially provided with one of annular lock groove, and the lid is equipped with several through lid top surface and bottom The removal hole in face, lid bottom surface are equipped with several circular groove shape fixing grooves, and several removal holes and several fixing grooves are using lid axis as axis It is angularly distributed on lid, the removal hole depth direction is parallel with lid axis, and removal hole width direction has mutual Parallel two sides hole wall, removal hole length direction two sides hole wall are arc-shaped structure, the fixing groove axis and lid axis In parallel, and fixing groove slot diameter and removal hole are of same size, and activity cooperation is described embedded with cylindrical closing piece in the fixing groove Closing piece outer wall is equipped with one of bar slot, and bar groove groove wall is equipped with limiting slot one, and one length direction of limiting slot is set with closing piece axis in angle It sets, is located at the rod-shaped lockhole of fixed groove groove wall and lid outer wall in the lid equipped with both ends, lockhole axis is along lid Radial and fixing groove is arranged radially, and is fixed groove groove wall and lid outer wall the shortest route, and activity is equipped in the lockhole Locking bar, locking bar inner end are located on bar slot, and are fixed with the limited block one being slidably disposed on limiting slot one, further include being located at fixing groove It is interior, and the return spring that both ends offset with fixing groove top and closing piece top respectively；

The lid cooperation is placed in well seat, and lid outer wall is bonded with well seat inner wall, lid top surface and well seat top surface pair Together, lid bottom surface is against on baffle ring top surface, and removal hole and fixing groove projection are shifted to install with baffle ring, and the return spring pushes away Dynamic closing piece makes limited block one be located at one top of limiting slot, and lid outer wall is stretched out in locking bar outer end, and in locked groove；

The extracting tool includes the rod-shaped stripping ring of circular ring shape of coaxial arrangement and adjusts ring, and disassembly ring diameter is less than well Seat internal diameter is simultaneously greater than baffle ring internal diameter, edge and adjusts in ring along being respectively fixed with several upper connecting bases and several lower connections in stripping ring Seat, upper connecting base are equipped with poroid perforation, and it further includes several disassembly mechanisms, disassembly mechanism that lower connecting base, which is equipped with shell-like interstage sleeve, Including bar diameter round bar shape removal rod identical with fixing groove slot and adjusting rod, adjusting rod bottom end and removal rod top are respectively equipped with By the hinged articulated section of articulated shaft, adjusting rod top passes through interstage sleeve, and is threaded through in perforation, and fix with upper connecting base, and It is parallel with disassembly ring axis to adjust rod axis, further includes being actively set on wearing on adjusting rod, wears inner wall and adjusting rod bar wall Equipped with mutually matched limited block two and limiting slot two, any two lower connecting base is equipped with pin hole, pin hole inner end position In on interstage sleeve inner wall, further including the spring catch being connected in pin hole, spring catch includes the pin being threaded through in pin hole, pin rear end It is connected with the extension spring covered on pin with pin hole outer end, the adjusting rod is equipped with upper slot, and spring pin end is embedding In upper slot, and interstage sleeve bottom end and articulated section interval are set, and adjusting ring and adjusting rod are relatively fixed, and limited block at this time Two are located at two top of limiting slot, further include the compressed spring covered on adjusting rod, and compressed spring promotion is worn, and make to wear bottom end and support On interstage sleeve top top, and removal rod can be folded around articulated shaft relative adjustment bar, be located at several removal rods on the inside of stripping ring；

The disassembly mechanism further includes bar diameter fixed link identical with removal rod bar diameter, fixed rod axis and removal rod axis Line is parallel, and fixed link is connect with removal rod bottom end by connecting rod, and connecting rod bar diameter is identical as removal rod bar diameter, the disassembly Bar is equipped with lower slot.

After lid is mounted on well seat, since locked groove is the ring structure positioned at well seat inner wall, there is no need to deliberately position Lid plays anti-theft function using locking bar and locked groove cooperation, and removal hole is not thread pore structure, is avoided that use process Thread damage in middle removal hole, therefore long service life, usage scenario can be more complicated, extracting tool when not in use, bullet Spring pin end can fold removal rod around articulated shaft relative adjustment bar at this time, be located at several removal rods and tear open in upper slot It unloads on the inside of ring, in use, rotating and being unfolded removal rod, post-tensioning spring catch around articulated shaft, compressed spring promotion wears, makes several It wears to be respectively cooperating with and cover on the articulated section of several disassembly mechanisms, and keep removal rod coaxially relatively fixed with adjusting rod, therefore side Just it is unfolded or stores removal rod, therefore using very convenient, and in the case where guaranteeing that adjusting ring stablizes fixed, without all Spring catch is set on interstage sleeve, it is only necessary to spring catch be arranged on one to two interstage sleeves, with more convenient operation；Disassembly is held later The connecting rod of several disassembly mechanisms is respectively cooperating with and is packed into several removal holes by ring, is integrally located at fixed link below lid, and enclose Stripping ring is rotated around lid axis, removal rod is against on the hole wall of removal hole length direction side, makes fixed link and fixing groove pair Together, stripping ring is pulled up, makes fixed link cooperation in fixing groove, and press closing piece on fixed link top, slides into limited block one One bottom end of limiting slot, separates locking bar outer end with locked groove, and is located in lockhole, and opposite stripping ring moves down adjusting ring, makes interstage sleeve bottom End, which is adjacent to, to be against on lid top surface, and in spring catch end part aligning and the lower slot of insertion, and clamps interstage sleeve bottom end and connecting rod On lid two sides, extracting tool can be made relatively fixed with lid, hold stripping ring later and from well seat described in disassembly Lid；And when installation lid, without deliberately positioning lid, while using extracting tool disassembly lid after, oppositely positioned disassembly Ring, stripping ring is supported on baffle ring top surface at this time, and well seat inner wall, which forms stripping ring, to be stopped, later i.e. using stripping ring to well Seat plays protective action, and can place warning line in outer.

It further include outer diameter circular ring shape plate identical with baffle ring internal diameter in a kind of above-mentioned municipal well lid detaching structure of safety Shape connecting plate, circular ring shape plate limit plate and circle shell-like connector sleeve, connecting plate outer and limit plate outer respectively with connector sleeve top End and bottom end are fixed, and connecting plate is coaxially fixed on lid bottom surface, and the removal hole is located at limit along depth direction projection On plate.

Setting limit plate, which moves down removal rod in mounting and dismounting tool, plays position-limiting action.

In a kind of above-mentioned municipal well lid detaching structure of safety, the interstage sleeve bottom end is fixed with baffle, and works as spring When pin end is in lower slot, the baffle is tightly attached on lid top surface.

Extracting tool and lid connective stability can be improved using baffle.

In a kind of above-mentioned municipal well lid detaching structure of safety, the fixing groove notch has fillet or chamfering, and When limited block one is located at one top of limiting slot, the closing piece bottom end is higher than fixing groove notch height.

It therefore can Fast Installation extracting tool.

In a kind of above-mentioned municipal well lid detaching structure of safety, the fixed link and connecting rod are removal rod bottom end one Body is bent to form.

In a kind of above-mentioned municipal well lid detaching structure of safety, the removal rod is equipped with several along removal rod axial direction The lower slot of distribution.

Different-thickness lid is adapted to spring catch cooperation.

In a kind of above-mentioned municipal well lid detaching structure of safety, described wearing is bolted with bolt, and bolt end In limiting slot two, and form the limited block two.

In a kind of above-mentioned municipal well lid detaching structure of safety, limit plate top surface inclined plane shape in a ring, and it is outer It is higher than along height interior along height.

It is avoided that sandstone are accumulated on limit plate.

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

Dismantle well lid method are as follows: successively rotate and be unfolded removal rod around articulated shaft, keep removal rod coaxially right with adjusting rod Neat setting, post-tensioning spring catch separate spring pin end with upper slot, and compressed spring promotion is worn, and are moved to limited block two Two bottom end of limiting slot, and make it is several wear to be respectively cooperating with cover on the articulated section of several disassembly mechanisms, make removal rod and adjusting rod It is coaxial relatively fixed, hold stripping ring, the connecting rod of several disassembly mechanisms be respectively cooperating with and is packed into several removal holes, removal rod and Fixed link is bonded the sliding of removal hole length direction two sides hole wall respectively and protrudes into removal hole, is integrally located at fixed link under lid Side, and limited using limit plate, stripping ring is rotated around lid axis, removal rod is made to be against removal hole length direction side hole wall On, it is aligned fixed link with fixing groove, pulls up stripping ring, make fixed link cooperation in fixing groove, and press on fixed link top Closing piece makes limited block one slide into one bottom end of limiting slot, separates locking bar outer end with locked groove, and is located in lockhole, opposite to dismantle Ring moves down adjusting ring, is adjacent to interstage sleeve bottom end and is against on lid top surface, and spring catch end part aligning is simultaneously embedded in lower slot, and makes to keep off Set bottom end and connecting rod are clamped on lid two sides, and keep extracting tool relatively fixed with lid, hold later stripping ring and from The lid is dismantled on well seat；

Well lid method is installed are as follows: it holds stripping ring and lid is packed into well seat, post-tensioning spring catch, and move up adjusting ring, Stripping ring is rotated around lid axis, is against removal rod on the hole wall of the removal hole length direction other side, makes connecting rod and disassembly Hole alignment, pulls up stripping ring, removes connecting rod out of removal hole, to dismantle disassembly mechanism out of removal hole, move up adjusting ring In place, it wears interstage sleeve promotion to move up, and makes spring pin end in upper slot, and fold around articulated shaft relative adjustment bar Removal rod is located at several removal rods on the inside of stripping ring.

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

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

3, lid can be locked using locking bar and locked groove cooperation, anti-theft effect is more preferable, and since locked groove is ring structure, Without location and installation lid.

4, it by pusher collar, to facilitate whole expansion removal rod to use, or folds removal rod and is stored, use effect Rate is higher, and pulls up after integrally moving down after holding stripping ring and rotate stripping ring, can make fixed link in fixing groove, simultaneously By adjust annulus move several interstage sleeves move jointly and with removal rod it is relatively fixed so that extracting tool is quickly fixed with lid.

Detailed description of the invention

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

Fig. 2-5 is the partial enlarged view of Fig. 1 respectively.

Fig. 6 is the lid bottom view for not installing limit plate.

Fig. 7 is stripping ring top view.

In figure,

1, well seat；11, baffle ring；12, locked groove；

2, lid；21, removal hole；22, fixing groove；23, lockhole；24, return spring；

3, closing piece；31, bar slot；32, limiting slot one；

4, locking bar；41, limited block one；

5, stripping ring；51, upper connecting base；52, it perforates；

6, ring is adjusted；61, lower connecting base；62, interstage sleeve；63, spring catch；64, baffle；

7, removal rod；71, articulated section；72, lower slot；73, fixed link；74, connecting rod；

8, adjusting rod；81, limiting slot two；82, upper slot；83, compressed spring；84, it wears；85, limited block two；

9, connecting plate；91, limit plate；92, connector sleeve.

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. 1-7, the municipal well lid detaching structure of a kind of safety of the utility model, including well lid and for dismounting well lid Extracting tool, well lid includes circular ring shape well seat 1 and the circular plate lid 2 that is located in well seat 1, and 1 inner wall of well seat is equipped with annular Baffle ring 11,11 top surface of baffle ring are lower than 1 top surface of well seat, and vertical with 1 inner wall of well seat, and 1 inner wall of well seat is coaxially provided with one of ring lock Slot 12, lid 2 are equipped with several removal holes 21 through 2 top and bottom of lid, and 2 bottom surface of lid is equipped with several circular groove shapes and fixes Slot 22, several removal holes 21 and several fixing grooves 22 are angularly distributed on lid 2 using 2 axis of lid as axis, and removal hole 21 is deep Degree direction is parallel with 2 axis of lid, and 21 width direction of removal hole has the two sides hole wall being parallel to each other, 21 length direction of removal hole Two sides hole wall is arc-shaped structure, and 22 axis of fixing groove is parallel with 2 axis of lid, and 22 slot diameter of fixing groove and 21 width of removal hole Identical, activity cooperation is equipped with one of bar slot 31 embedded with cylindrical closing piece 3,3 outer wall of closing piece in fixing groove 22, and 31 cell wall of bar slot is set There are limiting slot 1, one 32 length direction of limiting slot and 3 axis of closing piece to be arranged in angle, is located in lid 2 equipped with both ends The rod-shaped lockhole 23 of 2 outer wall of 22 cell wall of fixing groove and lid, 23 axis of lockhole is radial along lid 2 and fixing groove 22 is arranged radially, And be 22 cell wall of fixing groove and 2 outer wall the shortest route of lid, activity is equipped with locking bar 4 in lockhole 23, and 4 inner end of locking bar is located at bar slot On 31, and it is fixed with the limited block 1 being slidably disposed on limiting slot 1, further includes being located in fixing groove 22, and both ends are distinguished The return spring 24 to offset with 22 top of fixing groove and 3 top of closing piece；

The cooperation of lid 2 is placed in well seat 1, and 2 outer wall of lid is bonded with 1 inner wall of well seat, 2 top surface of lid and 1 top surface pair of well seat Together, 2 bottom surface of lid is against on 11 top surface of baffle ring, and removal hole 21 and the projection of fixing groove 22 are shifted to install with baffle ring 11, return bullet Spring 24 pushes closing piece 3, so that limited block 1 is located at one 32 top of limiting slot, and 2 outer wall of lid is stretched out in 4 outer end of locking bar, and is embedded in In locked groove 12；

Extracting tool includes the rod-shaped stripping ring 5 of circular ring shape of coaxial arrangement and adjusts ring 6, and 5 diameter of stripping ring is less than well seat 1 Internal diameter is simultaneously greater than 11 internal diameter of baffle ring, in stripping ring 5 edge and adjust in ring 6 along be respectively fixed with several upper connecting bases 51 and it is several under Attachment base 61, upper connecting base 51 are equipped with poroid perforation 52, and it further includes several disassemblies that lower connecting base 61, which is equipped with shell-like interstage sleeve 62, Mechanism, disassembly mechanism include bar diameter round bar shape removal rod 7 identical with 22 slot of fixing groove and adjusting rod 8,8 bottom end of adjusting rod and 7 top of removal rod is respectively equipped with the articulated section 71 hinged by articulated shaft, and 8 top of adjusting rod passes through interstage sleeve 62, and is threaded through In hole 52, and it is fixed with upper connecting base 51, and 8 axis of adjusting rod is parallel with 5 axis of stripping ring, further includes being actively set on adjusting rod 84 are worn on 8,84 inner walls is worn and 8 bar wall of adjusting rod is equipped with mutually matched limited block 2 85 and limiting slot 2 81, arbitrarily Two lower connecting bases 61 are equipped with pin hole, and it further includes the spring catch being connected in pin hole that pin hole inner end, which is located on 62 inner wall of interstage sleeve, 63, spring catch 63 includes the pin being threaded through in pin hole, and pin rear end and pin hole outer end are connected with the stretching bullet covered on pin Spring, adjusting rod 8 is equipped with upper slot 82, and 63 end of spring catch is embedded in upper slot 82, and makes 62 bottom end of interstage sleeve and articulated section 71 interval settings, and adjusting ring 6 and adjusting rod 8 are relatively fixed, and limited block 2 85 is located at 2 81 top of limiting slot at this time, also wraps Include the compressed spring 83 covered on adjusting rod 8, the promotion of compressed spring 83 wears 84, makes to wear 84 bottom ends and is against 62 top of interstage sleeve Top, and removal rod 7 can be folded around articulated shaft relative adjustment bar 8, so that several removal rods 7 is located at 5 inside of stripping ring；

Disassembly mechanism further includes bar diameter fixed link 73 identical with 7 bar diameter of removal rod, 73 axis of fixed link and 7 axis of removal rod Line is parallel, and fixed link 73 is connect with 7 bottom end of removal rod by connecting rod 74, and 74 bar diameter of connecting rod is identical as 7 bar diameter of removal rod, tears open Bar 7 is unloaded equipped with lower slot 72.

It further, further include outer diameter circular ring shape plate-like webs 9 identical with 11 internal diameter of baffle ring, the limit of circular ring shape plate Plate 91 and circle shell-like connector sleeve 92,9 outer of connecting plate and 91 outer of limit plate are fixed with 92 top of connector sleeve and bottom end respectively, even Fishplate bar 9 is coaxially fixed on 2 bottom surface of lid, and removal hole 21 is located on limit plate 91 along depth direction projection.62 bottom end of interstage sleeve It is fixed with baffle 64, and when 63 end of spring catch is in lower slot 72, baffle 64 is tightly attached on 2 top surface of lid.Fixing groove 22 notches have fillet or chamfering, and when limited block 1 is located at one 32 top of limiting slot, and 3 bottom end of closing piece is higher than fixing groove 22 Notch height.Fixed link 73 and connecting rod 74 are that 7 bottom end of removal rod is integrally bent to form.Removal rod 7 is equipped with several along disassembly The lower slot 72 that bar 7 is axially distributed.It wears and is bolted with bolt on 84, and bolt end is embedded in limiting slot 2 81, and forms limit Position block 2 85.91 top surface of limit plate inclined plane shape in a ring, and outer height be higher than it is interior along height.

After lid 2 is mounted on well seat 1, since locked groove 12 is the ring structure positioned at 1 inner wall of well seat, there is no need to deliberately Lid 2 is positioned, i.e., plays anti-theft function using locking bar 4 and the cooperation of locked groove 12, and removal hole 21 is not thread pore structure, energy The thread damage in use process in removal hole 21, therefore long service life are avoided, usage scenario can be more complicated, dismantles work When not in use, 63 end of spring catch can fold removal rod 7 around articulated shaft relative adjustment bar 8 at this time in upper slot 82 to tool, Several removal rods 7 are made to be located at 5 inside of stripping ring, in use, rotating and being unfolded removal rod 7, post-tensioning spring catch around articulated shaft 63, the promotion of compressed spring 83 wears 84, make it is several wear 84 and be respectively cooperating with cover on the articulated section of several disassembly mechanisms 71, and make Removal rod 7 is coaxial relatively fixed with adjusting rod 8, therefore facilitates expansion or storage removal rod 7, therefore use is very convenient, and Guarantee to adjust ring 6 stablize it is fixed in the case where, it is not necessary that spring catch 63 is arranged on all interstage sleeves 62, it is only necessary at one to two Spring catch 63 is set on interstage sleeve 62, with more convenient operation；Stripping ring 5 is held later, by the connecting rod 74 of several disassembly mechanisms It is respectively cooperating with and is packed into several removal holes 21, so that fixed link 73 is integrally located at 2 lower section of lid, and around the rotation disassembly of 2 axis of lid Ring 5 is against removal rod 7 on 21 length direction side hole wall of removal hole, is aligned fixed link 73 with fixing groove 22, pull-up is torn open Ring 5 is unloaded, makes the cooperation of fixed link 73 in fixing groove 22, and press closing piece 3 on 73 top of fixed link, slides into limited block 1 One 32 bottom end of limiting slot separates 4 outer end of locking bar with locked groove 12, and is located in lockhole 23, and opposite stripping ring 5, which moves down, adjusts ring 6, It is adjacent to 62 bottom end of interstage sleeve to be against on 2 top surface of lid, and in 63 end part aligning of spring catch and the lower slot 72 of insertion, and makes interstage sleeve 62 Bottom end and connecting rod 74 are clamped on 2 two sides of lid, and extracting tool and lid 2 can be made relatively fixed, hold stripping ring later 5 and the lid 2 is dismantled from well seat 1；And when installation lid 2, without deliberately positioning lid 2, while disassembly work is utilized After tool disassembly lid 2, oppositely positioned stripping ring 5, stripping ring 5 is supported on 11 top surface of baffle ring at this time, and 1 inner wall of well seat is to stripping ring 5 form blocking, play protective action to well seat 1 using stripping ring 5 later, and can place warning line in outer.

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

Dismantle well lid method are as follows: successively rotate and be unfolded removal rod 7 around articulated shaft, keep removal rod 7 and adjusting rod 8 coaxial Alignment setting, post-tensioning spring catch 63 separate 63 end of spring catch with upper slot 82, and the promotion of compressed spring 83 wears 84, make to limit Position block 2 85 be moved to 2 81 bottom end of limiting slot, and make it is several wear 84 and be respectively cooperating with cover in the articulated section of several disassembly mechanisms On 71, keep removal rod 7 coaxial relatively fixed with adjusting rod 8, hold stripping ring 5, the connecting rod 74 of several disassembly mechanisms is distinguished Several removal holes 21 are fitted into, removal rod 7 and fixed link 73 are bonded the sliding of 21 length direction two sides hole wall of removal hole respectively and stretch Enter in removal hole 21, so that fixed link 73 is integrally located at 2 lower section of lid, and limit using limit plate 91, rotated around 2 axis of lid Stripping ring 5 is against removal rod 7 on 21 length direction side hole wall of removal hole, is aligned fixed link 73 with fixing groove 22, on Stripping ring 5 is drawn, makes the cooperation of fixed link 73 in fixing groove 22, and press closing piece 3 on 73 top of fixed link, keeps limited block 1 sliding It moves to one 32 bottom end of limiting slot, separates 4 outer end of locking bar with locked groove 12, and be located in lockhole 23, the lower transposition of opposite stripping ring 5 Ring 6 is saved, 62 bottom end of interstage sleeve is adjacent to and is against on 2 top surface of lid, 63 end part aligning of spring catch is simultaneously embedded in lower slot 72, and is made 62 bottom end of interstage sleeve and connecting rod 74 are clamped on 2 two sides of lid, and keep extracting tool and lid 2 relatively fixed, hold tear open later It unloads ring 5 and dismantles lid 2 from well seat 1；

Well lid method is installed are as follows: hold stripping ring 5 and lid 2 is packed into well seat 1, post-tensioning spring catch 63, and upper transposition Ring 6 is saved, stripping ring 5 is rotated around 2 axis of lid, is against removal rod 7 on 21 length direction other side hole wall of removal hole, makes to connect Extension bar 74 is aligned with removal hole 21, is pulled up stripping ring 5, is removed connecting rod 74 out of removal hole 21, to tear open out of removal hole 21 Disassembly mechanism is unloaded, moves up and adjusts ring 6 in place, so that the promotion of interstage sleeve 62 is worn 84 and moves up, and make 63 end of spring catch embedded in upper slot In 82, and removal rod 7 is folded around articulated shaft relative adjustment bar 8, several removal rods 7 is made to be located at 5 inside of stripping ring.

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 well seat 1, baffle ring 11, locked groove 12, lid 2, removal hole 21, fixing groove 22, lockhole is used more herein 23, return spring 24, closing piece 3, bar slot 31, limiting slot 1, locking bar 4, limited block 1, stripping ring 5, upper connecting base 51, wear Hole 52 adjusts ring 6, lower connecting base 61, interstage sleeve 62, spring catch 63, baffle 64, removal rod 7, articulated section 71, lower slot 72, fixes Bar 73, adjusting rod 8, limiting slot 2 81, upper slot 82, compressed spring 83, wears 84, limited block 2 85, connecting plate at connecting rod 74 9, the terms such as limit plate 91, connector sleeve 92, but it does not exclude the possibility of using other terms.It the use of these terms is only to be It is more convenient to describe and explain the essence of the utility model；Being construed as any additional limitation is all and this reality It is disagreed with novel spirit.

Claims (8)

1. a kind of municipal well lid detaching structure of safety, the extracting tool including well lid and for dismounting well lid, the well lid packet The circular plate lid (2) for including circular ring shape well seat (1) and being located in well seat (1), it is characterised in that: described well seat (1) inner wall Equipped with annular baffle ring (11), baffle ring (11) top surface is lower than well seat (1) top surface, and well seat vertical with well seat (1) inner wall, described (1) inner wall is coaxially provided with one of annular lock groove (12), and the lid (2) is equipped with several through lid (2) top and bottom Removal hole (21), lid (2) bottom surface be equipped with several circular groove shape fixing grooves (22), several removal holes (21) and several fixing grooves (22) it is angularly distributed on lid (2) using lid (2) axis as axis, the removal hole (21) depth direction and lid (2) Axis is parallel, and removal hole (21) width direction has the two sides hole wall being parallel to each other, removal hole (21) length direction two sides hole wall For arc-shaped structure, the fixing groove (22) axis is parallel with lid (2) axis, and fixing groove (22) slot diameter and removal hole (21) of same size, activity cooperation is set embedded with cylindrical closing piece (3), the closing piece (3) outer wall in the fixing groove (22) There is one of bar slot (31), bar slot (31) cell wall is equipped with limiting slot one (32), limiting slot one (32) length direction and closing piece (3) axis It is arranged in angle, is located at the rod lock of fixing groove (22) cell wall and lid (2) outer wall in the lid (2) equipped with both ends Hole (23), lockhole (23) axis is radial along lid (2) and fixing groove (22) are arranged radially, and is fixing groove (22) cell wall and lid (2) outer wall the shortest route, the lockhole (23) interior activity are equipped with locking bar (4), and locking bar (4) inner end is located on bar slot (31), And it is fixed with the limited block one (41) being slidably disposed on limiting slot one (32), it further include being located in fixing groove (22), and both ends are divided The return spring (24) not offseted with fixing groove (22) top and closing piece (3) top；

Described lid (2) cooperation is placed in well seat (1), and lid (2) outer wall is bonded with well seat (1) inner wall, lid (2) top surface and The alignment of well seat (1) top surface, lid (2) bottom surface is against on baffle ring (11) top surface, and removal hole (21) and fixing groove (22) project and Baffle ring (11) shifts to install, and the return spring (24) pushes closing piece (3), and limited block one (41) is made to be located at limiting slot one (32) Top, and lid (2) outer wall is stretched out in locking bar (4) outer end, and in locked groove (12)；

The extracting tool includes the rod-shaped stripping ring of circular ring shape (5) of coaxial arrangement and adjusts ring (6), stripping ring (5) diameter Less than well seat (1) internal diameter and it is greater than baffle ring (11) internal diameter, it is several along being respectively fixed in stripping ring (5) interior edge and adjusting ring (6) Upper connecting base (51) and several lower connecting bases (61), upper connecting base (51) is equipped with poroid perforation (52), on lower connecting base (61) It further include several disassembly mechanisms equipped with shell-like interstage sleeve (62), disassembly mechanism includes bar diameter circle identical with fixing groove (22) slot Rod-shaped removal rod (7) and adjusting rod (8), adjusting rod (8) bottom end and removal rod (7) top are respectively equipped with hinged by articulated shaft Articulated section (71), adjusting rod (8) top pass through interstage sleeve (62), and are threaded through in perforation (52), and fixed with upper connecting base (51), And adjusting rod (8) axis is parallel with stripping ring (5) axis, further includes being actively set on adjusting rod (8) to wear (84), wears (84) inner wall and adjusting rod (8) bar wall are equipped with mutually matched limited block two (85) and limiting slot two (81), and described any two A lower connecting base (61) is equipped with pin hole, and it further includes the spring being connected in pin hole that pin hole inner end, which is located on interstage sleeve (62) inner wall, It sells (63), spring catch (63) includes the pin being threaded through in pin hole, and pin rear end and pin hole outer end, which are connected with, to be covered on pin Extension spring, the adjusting rod (8) are equipped with upper slot (82), and spring catch (63) end is interior embedded in upper slot (82), and It is spaced interstage sleeve (62) bottom end and articulated section (71) to be arranged, and adjusting ring (6) and adjusting rod (8) are relatively fixed, and limit at this time Block two (85) is located at limiting slot two (81) top, further includes the compressed spring (83) covered on adjusting rod (8), compressed spring (83) Promotion wears (84), makes to wear (84) bottom end and is against interstage sleeve (62) top top, and can roll over around articulated shaft relative adjustment bar (8) Folded removal rod (7) are located at several removal rods (7) on the inside of stripping ring (5)；

The disassembly mechanism further includes bar diameter fixed link (73) identical with removal rod (7) bar diameter, fixed link (73) axis with Removal rod (7) axis is parallel, and fixed link (73) is connect with removal rod (7) bottom end by connecting rod (74), connecting rod (74) bar diameter Identical as removal rod (7) bar diameter, the removal rod (7) is equipped with lower slot (72).

2. the municipal well lid detaching structure of a kind of safety according to claim 1, it is characterised in that: further include outer diameter and baffle ring (11) the identical circular ring shape plate-like webs (9) of internal diameter, circular ring shape plate limit plate (91) and circle shell-like connector sleeve (92), connection Plate (9) outer and limit plate (91) outer are fixed with connector sleeve (92) top and bottom end respectively, and connecting plate (9) is coaxially fixed on lid On body (2) bottom surface, and the removal hole (21) is located on limit plate (91) along depth direction projection.

3. the municipal well lid detaching structure of a kind of safety according to claim 2, it is characterised in that: described interstage sleeve (62) bottom End is fixed with baffle (64), and when spring catch (63) end is interior embedded in lower slot (72), the baffle (64) is tightly attached to lid On body (2) top surface.

4. the municipal well lid detaching structure of a kind of safety according to claim 3, it is characterised in that: the fixing groove (22) Notch has fillet or chamfering, and when limited block one (41) is located at limiting slot one (32) top, and the closing piece (3) bottom end is high In fixing groove (22) notch height.

5. the municipal well lid detaching structure of a kind of safety according to claim 4, it is characterised in that: the fixed link (73) It is that removal rod (7) bottom end is integrally bent to form with connecting rod (74).

6. the municipal well lid detaching structure of a kind of safety according to claim 5, it is characterised in that: the removal rod (7) It is equipped with several lower slots (72) being axially distributed along removal rod (7).

7. the municipal well lid detaching structure of a kind of safety according to claim 6, it is characterised in that: described wears on (84) It is bolted with bolt, and bolt end is interior embedded in limiting slot two (81), and forms the limited block two (85).

8. the municipal well lid detaching structure of a kind of safety according to claim 7, it is characterised in that: the limit plate (91) Top surface inclined plane shape in a ring, and outer height be higher than it is interior along height.