CN2506698Y

CN2506698Y - Manhole cover

Info

Publication number: CN2506698Y
Application number: CN 01254024
Authority: CN
Inventors: 孙国平
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-09-30
Filing date: 2001-09-30
Publication date: 2002-08-21
Anticipated expiration: 2011-09-30

Abstract

The utility model relates to a manhole top used for communicating a sewer or a communication pipe network with a maintenance port on ground surface. A well closure and a well cover are movably connected by an oblique and concave and convex chute. The well closure is provided with a locating pin and a theft-proof pin, both of which are combined with a corresponding locating hole of the well cover and a ridge. The utility model has the functions and advantages of theft proof and easy maintenance.

Description

A kind of inspection shaft lid

Technical field:

The utility model relates to the capping device that network of underground is communicated with the ground maintenance interface, promptly is a kind of inspection shaft lid.

Figure viewed from behind technology:

The a kind of of existing inspection shaft lid is loose-leaf structure, its well lid can only overturn about 120 °, repair when using, pound easily and hurt sb.'s feelings, inadequately safely, conveniently, another kind of inspection shaft lid adopts recessed twin shaft ring to connect derrick and well lid respectively by diaxon, though can prevent that the inspection shaft lid is stolen, the structure more complicated, heaviness, it is big that labour intensity is installed.

Summary of the invention:

It is a kind of antitheft that the utility model provides, and uses inspection shaft lid easy to maintenance.

Its general plotting technical scheme: include walling crib, well lid, alignment pin and anti-stealing and selling, walling crib and well lid are rectangular, and the walling crib two side faces has the inclined ramp groove, and the corresponding with it two side faces of well lid has oblique tongue, one side of walling crib offers loose pin, two locating holes are offered at the upper and lower position of the corresponding tongue of well lid, are built-in with two anti-stealing and selling at walling crib two side faces groove, and are spacing, antitheft with the groove fit in the well lid two skew back tongues.

The utility model adopts walling crib and well lid tongue and groove to slide and is connected, install, use laborsaving, convenient, on walling crib and well lid, be processed with corresponding alignment pin and locating hole, and anti-stealing and selling, be convenient to maintenance, having overcome has a stolen big disadvantage when existing inspection shaft covers, reduce economic loss and pedestrian, the injures and deaths of vehicle.

The drawing explanation:

Fig. 1 is the utility model attaching view.

Fig. 2 is the A-A topology view of Fig. 1.

Fig. 3 is the B-B topology view of Fig. 1.

1-walling crib 2-alignment pin 3-well lid 4-tongue 5-groove 6-groove

The anti-8-locating hole of stealing and selling of 7-

The specific embodiment:

Walling crib 1 of the present utility model is made rectangle with well lid 3, be processed with two oblique grooves 5 at walling crib 1 two medial surfaces, well lid 3 two side faces are processed with two oblique tongues 4 with two oblique grooves, 7 corresponding two side faces, and walling crib 1 is slidingly matched by corresponding concave, convex

groove

5 and 4 with well lid 3, realize opening to open or close closing well lid 3.The inversion counterbore of offering an opening of a side processing of groove 5 in walling crib 1 cooperates assembling alignment pin 2, on the tongue 4 of well lid 2, offer alternate locating hole 8, mention alignment pin 2 by hand, well lid 3 is opened and is moved certain distance, alignment pin 4 falls into another locating hole 8 of last position, pinning well lid 3 is reserved the room of 1 of well lid 3 and walling crib, is convenient to the upper and lower operation of maintenance personal; Carry alignment pin 2 in the manual operations, well lid 3 moves down the locating hole 8 that alignment pin 2 snaps in next position, closes and closes well lid 3, as shown in figures 1 and 3.Offer corresponding grooves 6 in two tongues 4 of well lid 3, be equipped with corresponding two and prevent stealing and selling 7 in two oblique grooves 5 of walling crib 1, they are in the groove 5 with respect to the walling crib 1 between two locating holes 8 in the tongue 4 of well lid 3.When the utility model is installed, prevent that stealing and selling 7 is fixed in the roadbed in the lump, move on the well lid 3 when sliding, prevent stealing and selling 7 and in groove 6, slide relatively, up to preventing that stealing and selling 7 is in the sealing part that groove 6 is not held, and places restrictions on and moves away walling crib 1 on the well lid 3, as depicted in figs. 1 and 2.

Claims

1, a kind of inspection shaft lid, it includes walling crib and well lid, walling crib and well lid are rectangular, it is characterized in that walling crib (1) two side faces has inclined ramp groove (5), one side of walling crib (1) offers loose pin (2), and the corresponding two side faces of well lid (3) has oblique tongue (4), and two locating holes (8) are offered at its upper and lower position, be built-in with two anti-steal and sell (7) at walling crib (1) two side faces groove (5), cooperate spacing with groove (6) in the oblique tongue (4) of well lid (3) two sides.

2, a kind of inspection shaft lid according to claim 1 is characterized in that anti-steal and sell (7) are installed in the groove (5) with respect to the walling crib (1) between two locating holes (8) in the tongue (4) of well lid (3).