CN2536653Y - Manhole cover assembly - Google Patents
Manhole cover assembly Download PDFInfo
- Publication number
- CN2536653Y CN2536653Y CN 02231059 CN02231059U CN2536653Y CN 2536653 Y CN2536653 Y CN 2536653Y CN 02231059 CN02231059 CN 02231059 CN 02231059 U CN02231059 U CN 02231059U CN 2536653 Y CN2536653 Y CN 2536653Y
- Authority
- CN
- China
- Prior art keywords
- pedestal
- groove
- cap assemblies
- inspection shaft
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a manhole cover assembly which is suitable for covering openings in road surfaces. The manhole cover assembly comprises a base, an inner base, a cover plate and a clamp device. The clamp device is provided with a hollow outer tube, an inner pipe, an elastic element, a bolt and a plug set component. The inner pipe is provided with a clamping part which can extend into a flute of the inner base. When the manhole cover is covered, the clamping part can automatically extend into the flute by the elastic force of the elastic element to conduct jointing. In addition, the way that the plug set component is reversely installed can be used to push the bolt, causing the clamping part to move apart from the flute, and then, the manhole cover can be lifted from the base.
Description
Technical field
The utility model relates to a kind of inspection shaft cap assemblies, particularly relates to a kind ofly having a clamping and drawing device, so that automatically cover plate is fixed on inspection shaft cap assemblies on the interior pedestal of annular.
Background technology
Consult Fig. 1, the common inspection shaft cap assemblies 1 that is found everywhere on the general road, be to be used to seal and to be embedded in the duct 100 that subterranean pipe line communicates, this inspection shaft cap assemblies 1 comprises a cover plate 11 and a base 12, base 12 is embedded under the road surface of duct 100 peripheries, and have an apical margin 121, a root edge 122, an inner ring surface 123, one by this apical margin 121 downwards, first terrace edge 124 of the multiple field that extends internally, and a annular groove 125 between this first terrace edge 124 and inner ring surface 123.Cover plate 11 have an end face 111, a bottom surface 112, one by the periphery of end face 111 downwards, extend internally and second terrace edge 113 that can be corresponding with first terrace edge 124, but with one at the annular lug 114 on the engagement groove 125 also between the periphery of second terrace edge 113 and bottom surface 112.Cover plate 11 is except with second terrace edge 113, the projection 114 of special shape and base 12 engages, also be equipped with a plurality of breech locks 13 on the cover plate 11, breech lock 13 has the L shaped back taper piece 132 that a screw rod 131 and is bolted in these screw rod 131 belows, and this back taper piece 132 has against the butting section 133 of base 12 root edges 122.
Though the cover plate 11 of described inspection shaft cap assemblies 1 sealably engages with base 12, but when covering, all being difficult for aligning each other at two terrace edges 113,124 and groove 125, projection 114 engages, and projection 114 is easy to damage because of wearing and tearing, in addition, after covering, need tool using rotating lock 13 one by one, make its butting section 133 can be against the root edge 122 of base 12, and when lifting off this cover plate 11, must repeat again to outward winding with this instrument, make the cover plate 11 of this inspection shaft cap assemblies 1 be not easy to cover and lift off, therefore operation is very inconvenient, and expends time in.
Therefore, how making one and can make cover plate cover easily, lift off, and need not expend the clamping and drawing device of too many time, is the problem of being badly in need of improving and can improving ease of use.
The utility model content
The purpose of this utility model is to provide a kind of inspection shaft cap assemblies with a clamping and drawing device, and this clamping and drawing device can make a cover plate engage automatically and be sealed in pedestal top in, and is beneficial to lifting off of this cover plate with interior pedestal disengaging easily.
A kind of inspection shaft cap assemblies of the present utility model is applicable to a duct that hides on the road surface, and this inspection shaft cap assemblies comprises: pedestal, a cover plate and a clamping and drawing device in the base.Base is embedded under the road surface, interior pedestal has one and is sleeved in the base and body in the form of a ring, horizontally extending successively one puts wooden partition from top to bottom from the body inner peripheral surface, with a fixing wall, and cave inward and an annular groove of adjacent body apical margin from the body inner peripheral surface, this cover plate has an end face, a bottom surface and extends downward the opening of bottom surface by this end face, and extends first floor and second floor away from groove that is provided with a close groove below the bottom surface.This clamping and drawing device has the outer tube of a hollow, interior pipe, a latch and a flexible member of a hollow.
Outer tube wears and is fixed on the floor, outer tube has a perisporium that defines a room, on this perisporium around microscler a pair of first chute and a pair of second chute that are provided with separately, the position of first chute is corresponding up and down, and be positioned at the opening below of cover plate, the position of second chute is the length direction of corresponding first, second chute of level, and is parallel to the length direction of outer tube, and this outer tube also has one and is positioned at the outer blind end of second floor.
Interior pipe is arranged in the room of outer tube slippingly, and interior pipe has the junction surface that a blocking part, that is positioned at an end is positioned at this blocking part end opposite, and two three chutes corresponding with first chute.This blocking part has a curved end, and latch is fixing on inner pipe, and two end opposite of latch extend into respectively in second chute.Flexible member is arranged in the room of outer tube, the junction surface of pipe and the blind end of outer tube in two ends of flexible member lean against respectively.
When the cover closure duct, by an apical margin of interior pedestal against curved end, in making the blocking part of pipe overcome elastic force and in contract, when blocking part take advantage of a situation be displaced downwardly in the groove of pedestal the time, the elastic force of flexible member makes blocking part penetrate groove and engages, and when raising cover plate, maintenance person can be passed down through opening, first chute and the 3rd chute from the cover plate top with instrument, latch passed make blocking part move apart groove, pedestal is gone forward side by side and is carried out maintenance activity in the duct in cover plate can being lifted off.
Description of drawings
Below by preferred embodiment and accompanying drawing inspection shaft cap assemblies of the present utility model is elaborated, in the accompanying drawing:
Fig. 1 represents that general inspection shaft cap assemblies is bonded on view on the annular base with breech lock with cover plate;
Fig. 2 is a three-dimensional exploded view, represents the section construction of first preferred embodiment of inspection shaft cap assemblies of the present utility model;
Fig. 3 is a part sectioned view, represents the cover plate of first preferred embodiment, in the joint by clamping and drawing device is fixed on the pedestal;
Fig. 4 is a cross section view, represents the state that the blocking part of the interior pipe of first preferred embodiment engages with the groove of interior pedestal;
Fig. 5 is the cross section view along the line V-V of Fig. 4, represent one of first preferred embodiment plug part interted in pipe and outer tube, and the situation that engages with a cross bar;
Fig. 6 is the three-dimensional view that plugs part;
Fig. 7 is a vertical view, unlatching on the mark that expression plugs the part top and the cover plate, the relation of closing the position of sign;
Fig. 8 is a cross section view, and when being illustrated in cover plate and covering, the apical margin of interior pedestal is against the state of the curved end of blocking part;
Fig. 9 is a cross section view, and expression will plug part and oppositely insert the state that makes blocking part disengaging groove;
Figure 10 is a three-dimensional exploded view, represents second preferred embodiment of inspection shaft cap assemblies of the present utility model;
Figure 11 is the three-dimensional exploded view of the positioner of second preferred embodiment;
Figure 12 is a partial cut away side views, and the expression positioner is fixed on state on the base with interior pedestal; And
Figure 13 is the view that is similar to Figure 12, and the expression positioner is the state on base with interior pedestal and a plurality of spacers.
The specific embodiment
Consult Fig. 2 and Fig. 3, first preferred embodiment of inspection shaft cap assemblies 3 of the present utility model is applicable to that sealing hides the duct 21 on the road surface, and this inspection shaft cap assemblies 3 comprises: pedestal 32, a cover plate 33 and a clamping and drawing device 34 in the form of a ring the base 31.Base 31 is embedded under the road surface, interior pedestal 32 have one be set in the base 31 and body in the form of a ring 321, from body 321 inner peripheral surfaces from top to bottom successively level extend internally one put wooden partition 322 and and fix wall 323, and cave inward and an annular groove 324 of adjacent body 321 apical margins from body 321 inner peripheral surfaces, this cover plate 33 has an end face 331, a bottom surface 332, and one extend downward the opening 333 of bottom surface 332 by end face 331, first floor 334 and second floor 335 away from groove 324 that is provided with a close groove 324 extended in 332 belows, bottom surface.
Consult Fig. 4 and Fig. 5, this clamping and drawing device 34 comprises: a hollow outer tube 4, that is fixed on floor 334,335 is arranged at latch 6, that interior pipes 5, in the outer tube 4 are installed in inner and outer pipe 4,5 slippingly and is placed in the screw rod 9 that part 8, is arranged in the compression spring 7 and extends outer tube 4 that plugs that compression springs 7, in the outer tube 4 are inserted into cover plate 33 and inner and outer pipe 4,5, and two holders 10 that are arranged in first floor 334.
In pipe 5 have the junction surface 52 that a blocking part 51, that is positioned at an end is positioned at the end opposite of this blocking part 51, and two three chutes 53 corresponding with first chute 421.Blocking part 51 have one be positioned at the top and the arc-shaped bend that contracts from top to bottom, and the curved end 511, two openings that can embed groove 324 towards this perisporium 42 and corresponding concave part 512 up and down.Junction surface 52 is fixed with an end of screw rod 9, and can lay an end of compression spring 7.
On the pipe 5, two end opposite of latch 6 extended to respectively in second chute 422 in latch 6 was fixed on, and can flatly be slid onto the other end of close second floor 335 in second chute 422 by the end near first floor 334.
Consult Fig. 5 and Fig. 6, plug part 8 and have a top 81 that is placed in the opening 333 and can prevents the hollow tubular that foreign matter is fallen into, and a plate body 82 that extends through the first and the 3rd chute 421,53 from this top 81 downwards.This plate body 82 has the inclined-plane 821 of a downward-sloping extension of an end of 81 from the top.Top 81 has a surface 811, and one is positioned on this surface 811 and is arranged at skewed slot 813 on the surface 811 near the mark 812 of inclined-plane 821 sides and two correspondences.But inclined-plane 821 is provided with the stopper slot 822 of a Fixed latches 6.
Consult Fig. 4, screw rod 9 is sleeved in the compression spring 7, is out of shape in order to prevent spring 7, and has a head 91 and a shaft 92, and this head 91 is positioned at outside the blind end 43.Shaft 92 extends through the blind end 43 and second floor 335 from head 91, and manages 5 junction surface 52 in being threaded.Shaft 92 has one and is positioned at first section 921 of 43 of junction surface 52 and blind ends, and between blind end 43 and head 91 second section 922.Suit compression spring 7 on first section 921.Clamping and drawing device 34 comprises that also one is sleeved on the buffer spring 70 on second section 922, the buffer spring 70 adjustable seamlesses elastic force of spring 7 that contracts, thus prevent that blocking part 51 from directly causing breaking-up against groove 324.
Each holder 10 is steel balls of a resilient bias, and these holders 10 can protrude into respectively in the recess 512 of blocking part 51, so that clamping blocking part 51 prevents that it from rocking.
Consult Fig. 7, cover plate 33 also has and is positioned on the end face 331 and 333 2 distolateral opening and closing indicate 336,337 near opening.Because of the width of the middle part of the opening 333 of cover plate 33 width greater than two sides, so maintenance person can insert this position and against the skewed slot 813 that plugs part 8 with the instrument (not shown), can will plug part 8 and lever up and detach.
Cooperate Fig. 8 to explain that clamping and drawing device 34 is in the groove 324 of pedestal 32 in how being bonded on automatically below, and narration plug the design of part 8.When preparing with cover plate 33 sealing ducts 21, need to plug part 8 earlier and detach cover plate 33, and cover plate 33 put down the top of pedestal 32 inwardly, the apical margin of interior pedestal 32 is against curved end 511, the blocking part 51 of interior pipe 5 will overcome elastic force and inwardly contract, when blocking part 51 take advantage of a situation be displaced downwardly in during the groove 324 of pedestal 32, the elastic force of compression spring 7 stretches through blocking part 51 tops and engages into groove 324, at this moment will plug part 8 again and indicate 337 directions of aliging and insert cover plates 33 with closing with mark 812, i.e. expression engages the action of closing automatically and finishes.
When preparing to raise cover plate 33, maintenance person can be carried out with two kinds of methods, the one, detach plugging part 8, and down pass opening 333, first chute 421 and the 3rd chute 53 from cover plate 33 tops with an instrument such as spanner (not shown), latch 6 is indicated the passing of 336 directions toward opening, make blocking part 51 move apart groove 324.Consult Fig. 9, another kind of method is that part 8 is extracted out and reverse plug-in mounting with plugging, and at this moment can pass to second floor 335 to overcome elastic force by inclined-plane 821 pushing tow latches 6.Maintenance person can be lifted off cover plate 33 interior pedestal 32, and 21 enters the subterranean pipe line and keep in repair from the duct through interior pedestal 32.
Consult Figure 10, Figure 11, the member that second preferred embodiment of inspection shaft cap assemblies 3 of the present utility model is comprised, and utilize the clamping and drawing device (not shown) automatically cover plate 33 is fixed in purpose on the pedestal 32, identical with first preferred embodiment, so be not described in detail in this, its difference be in, this inspection shaft cap assemblies 3 also comprises a plurality of positioners 35.Base 31 has the surrounding wall 312 that in the form of a ring a diapire 311 and upwards protrudes out from these diapire 311 end face central parts, diapire and surrounding wall match and define one and put a groove 313, cover plate 33 is the putting on the wooden partition 322 of pedestal 32 in being arranged at separatably, in order to sealing should in pedestal 32.
Consult Figure 12, this inspection shaft cap assemblies 3 also is to be used to seal a duct 21 that hides on the road surface, it is earlier base 31 to be embedded under the road surface equally, when the body 321 of interior pedestal 32 places the putting a groove 313 of base 31 and is stacked on the diapire 311, can be with backstay 352 swings of each positioner 35, abut on the inner peripheral surface of fixing wall 323 of body 321, and will press solidly on the fixing wall 323 of pedestal 32 in the downward against of an end of part 353 bending, part 353 thread lockings location will be pressed solidly with nut 357 again, interior pedestal 32 putting in the groove 313 of base 31 can be fixed on.
Consult Figure 13; because when generally this inspection shaft cap assemblies 3 being installed; all be earlier base 31 to be embedded under the road surface; only staying cover plate 33 is exposed on the road surface; because of also being equipped with the pitch (not shown) on the road surface usually; and the height that is laid on the pitch on the road surface do not have accurately unified standard, thus usually cause the cover plate 33 of inspection shaft cap assemblies 3 not to be a plane with the road surface, and then cause vehicle and pedestrian's walking unfavorable.So the position of pedestal 32 on the diapire 311 of base 31 in changing, and then when making cover plate 33 cooperate the height on road surfaces 4 and angle of inclination, can place a plurality of pads 36 in the groove 313 putting of base 31, these pads 36 are between the wall 323 of the diapire 311 of base 31 and interior pedestal 32, and can rotate adjustment thickness mutually, with the position of pedestal 32 on the diapire 311 of base 31 in changing, and then make cover plate 33 can cooperate the height and the angle of inclination on road surface.The pad 36 (looking the height on road surface and one or several pad 36 of angle decision use of inclination) that promptly only needs to be fit to is placed directly between the fixing wall of the diapire 311 of base 31 and interior pedestal 32, again the backstay 352 of each positioner 35 is swung on the inner peripheral surface of the fixing wall 323 that abuts in body 321, and adjust the position that presses solidly part 353, an end that presses solidly part 353 bendings can be pressed against downwards on the fixing wall 323 of interior pedestal 32, part 353 thread lockings location will be pressed solidly with nut 357 again, interior pedestal 32 and pad 36 putting in the groove 313 of base 31 can be fixed on.
In sum, inspection shaft cap assemblies 3 of the present utility model, not only utilize the elastic force of compression spring 7 because of its clamping and drawing device 34 and pass blocking part 51, thereby reach the purpose of automatic joint, and the special curved end that had of blocking part 51 makes and is difficult for damaging when covering.Have again and can utilize inclined-plane 821 to pass latch 6 plugging part 8 reverse plug-in mountings, and make blocking part 51 break away from groove 324, and mark 812, open, close the design of sign 336,337, make that cover plate 33 not only is easy to cover, also be easy to simultaneously open, damage easily with the cover plate bottom surface projection of general inspection shaft assembly and need ground consuming time rotating lock to compare, really be a clamping and drawing device easy to use, can encircle simultaneously on the cover plate 33 of this inspection shaft cap assemblies 3 and establish a plurality of clamping and drawing device 34, make cover plate 33 be fixed on the purpose of interior pedestal 32 thereby reach.In addition, because inspection shaft cap assemblies 3 is provided with positioner 35, each positioner 35 press solidly part 353 can adjust at any time as required the height, so that internally the body 321 of pedestal 32 is suppressed fixing, so this inspection shaft cap assemblies 3 in adjusting pedestal 32 to reach when making cover plate 33 and road surface be a plane, only need directly to place the pad 36 that is fit to, can positioner 35 is fixing, make this inspection shaft cap assemblies 3 become light, simple and easy and quick in the use, so can reach the purpose of this utility model really.
Claims (8)
1. inspection shaft cap assemblies, it is applicable to the duct that hides on the road surface, described inspection shaft cap assemblies comprises: a base, be embedded under the road surface of duct periphery, and has in the form of a ring a diapire, and a surrounding wall that upwards protrudes out from the diapire end face, diapire and surrounding wall match and define one and put a groove; Pedestal in one, have one be set in base put in the groove and body in the form of a ring, horizontally extending successively one put wooden partition and and fix wall from top to bottom from described body inner peripheral surface, and cave inward and an annular groove of adjacent body apical margin from the body inner peripheral surface; An and cover plate, pedestal put on the wooden partition in removably lid was contained in, the duct of sealing on the road surface, described cover plate have an end face, a bottom surface and one and extend downward the opening of bottom surface by end face, and the below, bottom surface is extended and is provided with first floor and second floor away from groove near groove; It is characterized in that: described inspection shaft cap assemblies also comprises a clamping and drawing device, described clamping and drawing device has: the outer tube of a hollow, be fixed on the floor, described outer tube has a perisporium that defines a room, on the described perisporium around microscler two first chutes and two second chutes of being provided with separately, the position of first chute is corresponding up and down, and be positioned at the opening below of cover plate, and the position level of second chute is corresponding to the length direction of first, second chute, and being parallel to the length direction of outer tube, described outer tube also has one and is positioned at the outer blind end of second floor; The interior pipe of one hollow, be arranged on slippingly in the room of outer tube, described in pipe have a blocking part that is positioned at an end, one is positioned at the junction surface of an end opposite of described blocking part, and two three chutes corresponding with first chute, described blocking part has a curved end; One latch, on the pipe, two end opposite of described latch extend into respectively in second chute in being fixed in; An and flexible member, be placed in the room of outer tube, two ends of described flexible member are respectively against the junction surface of interior pipe and the blind end of outer tube, when the cover closure duct, by the apical margin of interior pedestal against curved end, in making the blocking part of pipe overcome elastic force and in contract, when blocking part take advantage of a situation be displaced downwardly in the groove of pedestal the time, the elastic force of flexible member makes blocking part penetrate groove and engages, when raising cover plate, maintenance person can be passed down through opening from the cover plate top with instrument, first chute and the 3rd chute are passed latch and are made blocking part move apart groove, and pedestal is gone forward side by side and carried out maintenance activity in the duct in cover plate can being lifted off.
2. inspection shaft cap assemblies as claimed in claim 1, it is characterized in that: clamping and drawing device also has a part that plugs that is installed in opening, first chute and the 3rd chute, the described part that plugs has an inclined-plane, described inclined-plane is provided with the stopper slot that can fix described latch, when the cover closure duct, the inclined-plane is near first floor, and when opening cover plate, can oppositely extract out plugging part, can push and plug pin by sloped roof this moment overcomes elastic force and passes to second floor, blocking part moves apart groove, cover plate can be lifted off interior pedestal.
3. inspection shaft cap assemblies as claimed in claim 1 or 2 is characterized in that: the flexible member of clamping and drawing device is the compression spring.
4. inspection shaft cap assemblies as claimed in claim 3, it is characterized in that: clamping and drawing device also has one in order to prevent the screw rod of described camber of spring, described screw rod has one and is positioned at blind end outer a head and a shaft, described shaft is to extend through the blind end and second floor from head, and the junction surface of pipe in being fixed in, described shaft has one and is positioned at junction surface and blind end first section, and second section of being positioned between blind end and head, go up suit compression spring for first section, second section suit one buffer spring then, to adjust the elastic force of compression spring, prevent that blocking part from directly damaging against groove.
5. inspection shaft cap assemblies as claimed in claim 1, it is characterized in that: the inspection shaft cap assemblies also comprises a plurality of positioners that are arranged at the base bottom wall inner peripheral spaced apartly, each positioner has a hinged unit, and is installed in backstay on the hinged unit, and the part that presses solidly that is sleeved on the backstay, when the body of interior pedestal is stacked on the diapire of base, backstay can be swung on the inner peripheral surface of fixing wall of the body that reclines, press solidly part can press downwards in the fixing wall of pedestal, interior pedestal is fixed on putting in the groove of base.
6. inspection shaft cap assemblies as claimed in claim 5, it is characterized in that: the inspection shaft cap assemblies comprises that also one places the putting in the groove of base, and the pad between between the body of base bottom wall and interior pedestal, the position of pedestal on base bottom wall in described pad changes is so that cooperate pavement-height and angle of inclination.
7. inspection shaft cap assemblies as claimed in claim 5, it is characterized in that: the inspection shaft cap assemblies also comprise a plurality of place base put in the groove and the pad between between the body of base bottom wall and interior pedestal, these pads can rotate adjustment thickness mutually, thereby the position of pedestal on base bottom wall in changing is so that cooperate the height and the angle of inclination on road surface.
8. inspection shaft cap assemblies as claimed in claim 5, it is characterized in that: the hinged unit of each positioner has an articulated part, a nut and two pivot ears that are arranged at the base bottom wall inner peripheral corresponding and spaced apartly, described articulated part is journaled between the pivot ear with a bolt, the surface of backstay is formed with screw thread, one termination is contained on the articulated part, making backstay can articulated part be the swing that semi-circumference is carried out in the center of circle, the other end that presses solidly part that backstay is worn is downward bending, and pressing solidly part is to be positioned on the backstay with nut check.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231059 CN2536653Y (en) | 2002-04-22 | 2002-04-22 | Manhole cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02231059 CN2536653Y (en) | 2002-04-22 | 2002-04-22 | Manhole cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2536653Y true CN2536653Y (en) | 2003-02-19 |
Family
ID=33706855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02231059 Expired - Fee Related CN2536653Y (en) | 2002-04-22 | 2002-04-22 | Manhole cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2536653Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065632A (en) * | 2016-06-16 | 2016-11-02 | 温兴亮 | Anti-the returning of antitheft antinoise anti-settling gushes recessive unlatching inspection well cover |
-
2002
- 2002-04-22 CN CN 02231059 patent/CN2536653Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106065632A (en) * | 2016-06-16 | 2016-11-02 | 温兴亮 | Anti-the returning of antitheft antinoise anti-settling gushes recessive unlatching inspection well cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |