CN2787727Y

CN2787727Y - Road manhole device

Info

Publication number: CN2787727Y
Application number: CN 200420116249
Authority: CN
Inventors: 布鲁诺·图尔巴特
Original assignee: WUXI NUOLONG CASTING CO Ltd
Current assignee: Ji Ji (Beijing) Business Consulting Co., Ltd.
Priority date: 2004-12-21
Filing date: 2004-12-21
Publication date: 2006-06-14
Anticipated expiration: 2014-12-21

Abstract

The utility model discloses a road manhole device which comprises a hinging cover, a vibration damping component, a cross sections which is circular, rectangular, square or in other shapes, a seat frame, an inner flange and a single cover, wherein the periphery of the cover is provided with a convex rib for strengthening the cover. In the road manhole device of the utility model, the cover is hinged with the seat frame through a radial protrusion, the radial protrusion is arranged in a convex ear part of the seat frame, the cross section of the vibration damping component forms an inverted T shape, the vertical rod part of the vibration damping component inserts in the periphery of the convex rib and a groove which is opened towards the outside of the cover, and the support surface is suitable for being jointed with the flange of the seat frame. The vibration damping component is used for matching a device which leads the pivot rotation of the cover in the closing and swinging motion of the cover, and is also used for matching a device which guides the convex rib of the cover and puts the convex rib in an opening which is arranged in the flange of the seat frame.

Description

The road manhole device

Technical field

The utility model relates to a kind of road manhole device, and this road manhole device comprises seat frame and the independent hinged lid with circular or non-circular inward flange.

Background technology

In order to limit the noise that occurs when vehicle when covering of road manhole device is current, more and more general way is between lid and seat frame inward flange a kind of elastic component to be set, and is used for absorbing noise and vibrations.

French patent application FR-A-2.603.631 and French Patent (FRP) FR-A-2.581.103 have described the road manhole device of two kinds of this type, wherein, annular element has the cross section of " C " shape that is unlimited, and this annular element design is used for covering on the inward flange of flange, presents another profile.

First shortcoming of this assemble method is being in place of this member, and also promptly the only present frame of this member has been fixed in the ground and just works, so it is in place the influence that is subjected to the too much fixedly cement on the inner flange sometimes.

Its another shortcoming is because blocking the way passerby aperture apparatus when being opened, vibrations and bump that this member produces in the time of can being subjected to because of people or thing by this road manhole, and can bring various dusts, soil block, cement or stone into personnel movement.Therefore, if people do not clear up the upper surface of this member before closing manhole, so this member upper surface and the lid between particulate vehicle repeatedly by under can bring damage.This just requires to change this member, if do not change, the lid just can not stably support, make each vehicle by the time all can cause severe impact to the flange of seat frame, formation noise.

At last, when putting down lid when closing manhole, as operculum its frame location voluntarily well relatively, the fin of lid can be whole or partial cut wear this member.This situation often takes place unfavourably.

The utility model content

The purpose of this utility model is to provide a kind of road manhole device, and it has lid hinged and sealing, and wherein when covering when entering make position, centering well guaranteeing supporting cushioning members exactly on flange, and avoids that this member is had any infringement.Thereby eliminate the defective that above-mentioned prior art exists.

This manhole device's lid is guaranteed hinged by a radial projection, the pivot that forms matches on the radial lugs of this projection and seat frame.

According to the utility model, the cross section of this manhole device's cushioning members is inverse-T-shaped, and its montant portion is inserted in the groove, around the internal rib of this grooved ring on the neighboring that is positioned at lid, and outwardly open from the soffit of this lid.The supporting surface of this lid is suitable for matching with the flange of seat frame.This member matches with the device of the closure pivot oscillating motion that is used to guide this lid, and matches with device that the rib that is used for guiding this lid is put into the opening that the flange of a frame forms.

Owing to adopted this structure, on the one hand,, therefore when fixing frame by cement,, just do not need to take preventive measures especially if throw off at flange upper surface as this member supports face because this member separates.On the other hand, this member can prevent because personnel and bump and the wearing and tearing of goods by bringing.And, the rib that is used for the pivot of pilot cap and is used for pilot cap put into a frame matching requirements this cover before arriving its final make position and can be positioned a frame well, therefore avoided this member and any other surface except that its supporting surface, the surface that also promptly can shear and damage this member contacts.

In an embodiment of the present utility model, the device that is used for the pivot of pilot cap is made of its projection, this projection is provided with perforate, and the edge of perforate matches with the pivot that forms on protruding pinna, with its all or part of pivot process of control in swing process.This device comprises the downside external angle of cam-like on the one hand, be used for cooperating with at least one ramp of protruding pinna in swing process by this lid of the edge control of groove, this ramp from the top to the bottom, inclination from inside to outside.On the other hand, comprise also being the downside inner corner portion of cam-like that it is used for cooperating with the outward flange of seat frame flange, so that this projection is moved to the outside when closure finishes, remove the edge of its groove and contacting of pivot, and make the axis location of the fin of this lid along described seat frame.

Therefore, this covers, and its pivot all is controlled in its most of motion process, but just no longer has been controlled when its fin soon is in the position that moves freely.Because this structure, the guiding device of its projection is inoperative when this lid is in the close position, and its whole weight is on the inner flange of present frame, and be under no restraint this moment except that the described member with insertion.

Advantageously, the perforate of seat frame flange is upwards widened, to constitute the final centering part of the fin that covers.

Description of drawings

Below with reference to shown in accompanying drawing, describe as non-limiting example with the embodiment of a circular track passerby aperture apparatus, by this explanation, can clearly draw other feature and advantage of the present utility model.

Fig. 1 is the described road manhole device's that sees from the top vertical view;

Fig. 2 is the sectional view along the intercepting of the II-II line shown in Fig. 1, shows each parts of the manhole device who is in closure state of amplification;

Fig. 3 to Fig. 6 is a side partial cross-sectional, shows the different phase that lid starts;

Fig. 7 is the stereogram that shows the lug inside of a frame;

Fig. 8 is the partial perspective view that shows the projection outer end of lid.

The specific embodiment

As depicted in figs. 1 and 2, comprise circular seat frame 2 and lid 3 according to road manhole device of the present utility model.Lid 3 is provided with radial projection 4, and this projection 4 is articulated on the pivot, and this pivot comprises two

part

5a, 5b, and these two parts transverselies are arranged in the protruding pinna 6 that stretches out from seat frame 2.

As specifically illustrating among Fig. 2, each

member

5a, 5b of protruding pinna has two side plat parts 7 and a semi-cylindrical soffit 8.The open interior 9 that the projection 4 of lid 3 has form known, the edge shape of this perforate is a ramped shaped, so that match with the member 5a of protruding pinna and the cylindrical surface 8 of 5b when lid 3 pivoted closed.

Lid 3 has the interior cylindrical fin 10 of strengthening usefulness.

According to the utility model, be surrounded with cannelure 12 around the above-mentioned fin 10, this groove opens wide to the inner surface of lid, and constitutes the cavity volume of cushioning members 13, and this cushioning members 13 has inverse-T-shaped cross section.In the time of on the inner flange 14 that begins to support present frame 2, the montant portion of this "T"-shaped structure is stressed, joins in the cavity volume groove 12, and simultaneously, its cross bar portion forms the supporting surface of sealing, supports on the inner flange 14 of present frame 2.

This cushioning members 13 be used for pilot cap 3 the swing closing motion device and be used for making and cover 3 fin 10 device placed in the middle and match.

The device that is used for the swing closing motion of pilot cap 3 is formed at its projection 4, and comprises on the one hand and be formed at the cam-like portion 15 of covering on 3 the downside external angle, and is formed at the cam-like portion 16 of covering on 3 the downside inner corner portion.As Fig. 2 to 6 and shown in Figure 7, ramp 15 is used for cooperating with two faces 17 that form in the bottom of protruding pinna 6, and outward-dipping from the top to the bottom.Ramp 16, the upper corner 18 that is used for the inward flange that forms at the cavity area of lug 6 and flange 14 by seat frame 2 cooperates.

Fig. 3 shows when lid 3 is shown in an open position and can protect its cushioning members 13 to be without prejudice well owing to the fin 10 of its rise relatively.

Be arranged on the side channel 20 that covers on 3 the projection 4 if the operator carefully adjusts in known manner, it is alignd with member 5a, the 5b of pivot, and will cover 3 and upwards draw, so just can easily this lid 3 be pulled down from seat frame 2.Under these conditions, the web material 22 that two grooves 20 are separated easily penetrates in the interval 23 between two

member

5a, 5b of pivot.Obviously by opposite operation, can make effectively and cover 3 and return its state.

When closure should cover 3, its closure generally was by this lid 3 being reversed, rotating along 24 directions of the arrow among Fig. 4 and realize.Shown in Figure 4 and 5, with when the inward flange of groove 9 cooperates, the ramp 17 that forms on the ramp 15 of projection 4 and the protruding pinna contacts, and the pivot of pilot cap 3 at periphery 8.

When pivoting end, as shown in Figure 6, ramp 16 beginnings that are formed on the downside inner corner portion of projection 4 contact with the bight 18 of flange 14, make and cover 3 and move along the direction of arrow 25, and groove 9 is no longer contacted with the cylindrical profile 8 of

pivot member

5a, 5b, thereby the control that is through with and is undertaken by the contact of these members.Simultaneously, manhole device's lid 3 is guaranteed to cover 3 fin 10 along moving of arrow 25 directions and is felt relieved in advance with respect to flange 14.Therefore, when fin 10 entered the internal openings of flange 14, it is the axis centering of this flange 14 in fact relatively.For considering manufacturing tolerance, guarantee centering with the contacting of acclivitous wider faces 27 of flange 14 inside by the external angle 26 of fin 10.

Because various making cover 3 and can be adjusted the location with respect to the device of seat frame 2 location and centering,, cover 3 centerings well therefore when covering 3 when entering make position, so, in make position, can guarantee on flange 14, to support cushioning members 13 exactly, and avoid that this member is had any infringement.

At last, as shown in Figure 2, when blocking the way passerby aperture apparatus is in the close position, the device that is used to control the pivoting action that the inward flange by the perforate 9 of member 5a, the 5b of pivot and projection 4 carries out is in inoperative position, is covered 3 and contacts with flange 14 thereby only cover 3 action of gravity and only make by cushioning members 13.

Above-mentioned various improvement has guaranteed the long-life of member, and uses the proprietary peacefulness of this road manhole device.

Cushioning members 13 can also be realized sealing function, particularly to the sealing of smell.

Certainly, device of the present utility model is not limited to circular manhole, but can be applicable to the different kinds of roads manhole, and no matter its cross section is rectangle, square or other shape.

Claims

1. road manhole device, have hinged lid and cushioning members, and has circle, rectangle, the cross section of square or other shape, comprise have inner flange (14) the seat frame (2), with independent lid (3), the periphery of described lid (3) has the inside fin (10) that is used to strengthen, it is characterized in that, described lid (3) is hinged with described seat frame (2) by radial projection (4), described radial projection (4) is arranged in the protruding pinna (6) of described seat frame (2), the cross section of wherein said cushioning members (13) is inverse-T-shaped, its montant portion inserts and is arranged in described fin (10) and the groove (12) that opens wide to the soffit of described lid (3) on every side, the stayed surface of described cushioning members (13) is suitable for engaging with the inner flange (14) of described seat frame (2), described cushioning members (13) and the device (15 that is used for guiding the pivot of described lid in the closed oscillating motion of described lid, 16,17,18) match, and with the device (27) match, device (27) is used for fin (10) channeling conduct to described lid (3), with the perforate of described inner flange (14) formation of described fin (10) being put into described seat frame (2).

2. road manhole device according to claim 1, it is characterized in that, describedly be used to guide the device of the pivot of described lid (3) to constitute by its projection (4), described projection (4) is provided with perforate (9), the edge of described perforate (9) cooperates with the pivot of going up formation at described protruding pinna (6), with its all or part of pivot process of control in swing process, described device comprises the downside external angle (15) of cam-like on the one hand, in the process of described lid (3) swing of controlling by the edge of described perforate (9), cooperate with at least one ramp (17) of described protruding pinna (6), described ramp from its top to the bottom, tilt from inside to outside, described device also comprises on the other hand and also is the downside inner corner portion (16) of cam-like, described inner corner portion matches with the outward flange (18) of the described flange (14) of described seat frame (2) when closure finishes, so that described projection (4) is to described external movement, make the edge and the described pivot (5a of described perforate (9), 5b) no longer contact, and make the axis location of the fin (10) of described lid (3) along described seat frame (2).

3. according to each described road manhole device in the claim 1,2, it is characterized in that the perforate of the flange (14) of described seat frame (2) is widened towards the top, with the final centering part of the fin (10) that is configured for described lid (3).