CN201180272Y

CN201180272Y - Access hole base

Info

Publication number: CN201180272Y
Application number: CNU2008201047132U
Authority: CN
Inventors: 李峰丞
Original assignee: DAYANG DAJING COMMUNICATION INDUSTRY Co Ltd
Current assignee: DAYANG DAJING COMMUNICATION INDUSTRY Co Ltd
Priority date: 2008-04-09
Filing date: 2008-04-09
Publication date: 2009-01-14
Anticipated expiration: 2018-04-09

Abstract

The utility model provides a base for a manhole cover. The base is used for being buried at the inlet of an underground pipeline channel and is arranged on the roadway. The base for the manhole cover comprises a base, a retaining wall and a manhole cover, wherein a first groove is formed in the base, a penetrating hole is formed at the bottom of the first groove; the retaining wall is arranged on the first groove of the base, a second groove is formed in the retaining wall, a penetrating hole is formed at the bottom of the second groove; and the manhole cover is arranged on the second groove of the retaining wall and a plurality of penetrating holes are formed. The height of the retaining wall of the base can be designed and adjusted according to the height of a road; if the roadway is higher or lower than the base for the manhole cover, the retaining wall with the appropriate height can be used so that the base for the manhole cover does not emboss or cave the roadway in order to improve the security of the road driving.

Description

The manhole cover pedestal

Technical field

The utility model relates to a kind of manhole cover pedestal, is to be used to be embedded in underground utilities feeder connection place, and the utility model refers to a kind of can the laying highly according to road plane especially, and selects the manhole cover pedestal of suitable height barricade for use.

Background technology

See also the three-dimensional exploded view of Fig. 1 for existing manhole cover, manhole cover 10 as shown in FIG., it is made up of a pedestal 101 and a manhole cover 102, wherein, pedestal 101 is into hollow form, and form a base platform 1011 on pedestal 101 inner edges, manhole cover 102 is placed on the plane of base platform 1011, do not cause manhole cover 102 to drop downwards, again, form several open-works 1021 on the plane of manhole cover 102, when covering on pedestal 101 for manhole cover 102, can utilize the instrument drop hanger in open-work 1021 inboards, manhole cover 102 is sling.

See also the enforcement schematic diagram of Fig. 2 for existing manhole cover, manhole cover 10 as shown in FIG., its pedestal 101 is to be embedded under the pitch face that road 20 laid, and after pitch is laid and is finished, the manhole cover 102 of its manhole cover 10 is into same plane with road surface 201, but, its road surface is after the steam turbine vehicle commander travels for a long time, the asphalt surface of being laid can be pushed, and gets off for a long time, and its road surface 201 can be lower than pedestal 101, cause pedestal 101 to protrude road surface 201, steam turbine car for the process of travelling easily causes danger, fills and leads up with pitch if will be lower than the road surface 201 of pedestal 102, is difficult for accurately grasping because the pitch amount of required construction is filled and led up on the road surface, cause pedestal 101 to be lower than near road surface 201 easily, cause a pothole, also easily cause danger, so be necessary improvement.

Because above-mentioned demand, the utility model the designer hence study intensively, and long-pending individual is engaged in the many years of experience of described cause, designs a kind of brand-new manhole cover pedestal eventually.

Summary of the invention

Main purpose of the present utility model aims to provide and a kind ofly can just select barricade for use according to the road surface, to adjust its suitably manhole cover pedestal of height.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of manhole cover pedestal is used to be embedded in the entrance of underground utilities passage, and is installed on the road surface, it is characterized in that comprising:

One pedestal, described base interior form one first groove, and described first bottom portion of groove forms an open-work;

One barricade, described barricade are that group is located on described first groove of described pedestal, and described barricade inside forms one second groove, and described second bottom portion of groove forms an open-work, and,

One manhole cover, described manhole cover group are located on described second groove of described barricade, and form several open-works.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: when road when laying pitch, after pedestal and barricade group established, be placed on (as: the inlet of sewer place, entrance of underground utilities passage, underground circuit path, foggara passage and underground gas pipeline passway or the like), treat pitch lay with wall height when high, promptly finish installing, the road surface of road is after the steam turbine car travels after a while, can cause the road surface to be lower than its wall height gradually, at this moment, only need to change to meet the barricade of pavement-height, and can make manhole cover pedestal and road surface, increase the safety of road driving with high.

Description of drawings

Fig. 1 is the three-dimensional exploded view of existing manhole cover;

Fig. 2 is the enforcement schematic diagram of existing manhole cover;

Fig. 3 is a three-dimensional exploded view of the present utility model;

Fig. 4 is an enforcement schematic diagram of the present utility model;

Fig. 5 is preferred embodiment of the present utility model (one).

Description of reference numerals: 10-manhole cover; The 101-pedestal; The 1011-base platform; The 102-manhole cover; The 1021-open-work; The 20-road; The 201-road surface; 202-subterranean pipe line passage; 30-manhole cover pedestal; The 301-pedestal; 3011-first groove; The 3012-open-work; 3013-pedestal screw; The 302-barricade; 3021-second groove; 3022-barricade screw; The 3023-open-work; The relative screw part of 3024-; The 303-manhole cover; The 3031-open-work; The 3032-screw part; The 304-screw; 40-manhole cover pedestal; The 401-pedestal; 4012-first groove; The 4013-open-work; 4014-pedestal screw; The 402-barricade; 4021-second groove; The 4022-open-work; 4023-barricade screw; The 403-manhole cover; The 4031-open-work; The 404-screw.

The specific embodiment

Seeing also Fig. 3 is three-dimensional exploded view of the present utility model, manhole cover pedestal 30 as shown in FIG., it is made up of a pedestal 301, a barricade 302 and a manhole cover 303, its pedestal 301 inside form one first groove 3011, and first groove, 3011 bottoms form an open-work 3012, bottom around the contiguous open-work 3012 forms several pedestal screws 3013; Barricade 302 is that group is located at first groove, 3011 inside, and barricade 302 inside form one second groove 3021, second groove, 3021 bottoms form an open-work 3023, and the bottom around the contiguous open-work 3023, form several barricade screws 3022, after several barricade screws on several pedestal screws 3013 of pedestal 301 and the barricade 302 3022 are involutory, relying on several screws 304 to wear the back fixes, in second groove, 3021 inboards, form a relative screw part 3024, being used for a screw part 3032 with manhole cover 303 outer rims institute moulding screws togather group and establishes, again, manhole cover 303 upper ends form several open-works 3031, are to pass open-work 3031 for external tool, rely on the rotation of the external tool application of force, so that manhole cover 303 is separated with barricade 302.

Seeing also Fig. 4 is enforcement schematic diagram of the present utility model, manhole cover pedestal 30 as shown in FIG., it is the top that is embedded in subterranean pipe line passage 202, and manhole cover 303 is highly identical with road surface 201, because of relying on plural screw, barricade 302 is fixed on the pedestal 301, and manhole cover 303 screws togather group with barricade 302 and establishes, so when the steam turbine car travels when pressing manhole cover pedestal 30, its barricade 302 can be fastened on the pedestal 301 with manhole cover 303, after road 20 crosses a period of time through steam turbine garage, its road surface 201 can be squeezed, and slowly be lower than barricade 302 highly, and road surface 201 is when being lower than barricade 302, can cause its barricade 302 to protrude road surface 201, if road surface 201 is filled and led up with pitch, because construction can't be accurate, can cause barricade 302 to be lower than road surface 201 and cause one the hole hole, steam turbine car to the process of travelling can cause danger, rely on the design of the replaceable barricade 302 of the utility model, when the road surface is higher or lower than barricade 302, by hand-held tool manhole cover 303 is outwarded winding, the fixing screw 304 of barricade 302 is unclamped, barricade 302 can be separated with pedestal 301, again a barricade 302 identical with pavement-height is assembled on the pedestal 301 according to abovementioned steps, make manhole cover pedestal 30 and road surface 201 high together, do not have the situation of protruding or caving in and take place.

See also Fig. 5 and be preferred embodiment of the present utility model (), manhole cover pedestal 40 as shown in FIG. is square shapes, it is made up of square pedestal 401, one a square barricade 402 and a square manhole cover 403, its pedestal 401 inside form one first groove 4012, and first groove, 4012 bottoms form a square open-work 4013, bottom around the contiguous open-work 4013 forms several pedestal screws 4014; Barricade 402 is that group is located at first groove, 4012 inside, and barricade 402 inside form one second groove 4021, second groove, 4021 bottoms form a square open-work 4022, and the bottom around the contiguous open-work 4022, form several barricade screws 4023, after several barricade screws on several pedestal screws 4014 of pedestal 401 and the barricade 402 4023 are involutory, relying on several screws 404 to wear the back fixes, again, manhole cover 403 upper ends form several open-works 4031, be to pass open-work 4031, rely on the external tool application of force, so that manhole cover 403 is separated with barricade 402 for external tool.

In addition, 5cm when increasing, the utility model is arranged, so, can prevent to use inferior materials and turn out substandard goods when pitch prill from increasing after installing, otherwise can find out easily.

As mentioned above, the utility model is after it implements according to this, can change barricade on the pedestal according to the height on road surface, so that barricade is consistent with pavement-height, can reach really provides the manhole cover pedestal that can not protrude the road surface after a kind of the burying underground.

More than explanation is just illustrative for the utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited; can make many modifications, variation or equivalence, but all will fall within the protection domain of the present utility model.

Claims

1. a manhole cover pedestal is used to be embedded in the entrance of underground utilities passage, and is installed on the road surface, it is characterized in that comprising:

2. manhole cover pedestal according to claim 1 is characterized in that: described second groove is to establish for described manhole cover group.

3. manhole cover pedestal according to claim 1, it is characterized in that: described first bottom portion of groove forms several pedestal screws, described second bottom portion of groove then correspondence forms several barricade screws, after described several pedestal screws and described several barricade screws are involutory, rely on several screws to wear the back and fix.

4. manhole cover pedestal according to claim 1 is characterized in that: described barricade inner edge forms a relative screw part.

5. manhole cover pedestal according to claim 1 is characterized in that: described manhole cover outer rim forms a screw part.

6. manhole cover pedestal according to claim 2 is characterized in that: described pedestal and described manhole cover pedestal are shaped to circle.

7. manhole cover pedestal according to claim 2 is characterized in that: described pedestal and described manhole cover pedestal are shaped to square.

8. manhole cover pedestal according to claim 7, it is characterized in that: described first bottom portion of groove forms several pedestal screws, described second bottom portion of groove then correspondence forms several barricade screws, after described several pedestal screws and described several barricade screws are involutory, rely on several screws to wear the back and fix.

9. manhole cover pedestal according to claim 7 is characterized in that: described manhole cover forms several open-works, passes described open-work and the application of force is separated described manhole cover with described barricade for external tool.