CN201221096Y - A manhole cover keyhole plug - Google Patents

Abstract

The utility model relates to a pavement manhole cover fitting, in particular to a keyhole plug of a manhole cover, which consists of a main body, screws and positioning clips; the main part middle part is equipped with the shaft hole, is equipped with the spout along the shaft hole side, the location clip is detained and is established in shaft hole and constant head tank, passes through screw threaded connection between main part and the location clip. The utility model provides a make husky well lid key hole not expose, make the road surface of taking husky well lid keep leveling pleasing to the eye, safety, health to realize just dismouting convenience, repeatedly usable, simple structure and the pleasing to the eye purpose of outward appearance above current husky well lid key hole.

Description

A kind of manhole cover keyhole plug

Technical field

The utility model relates to road surface manhole cover accessory, particularly a kind of manhole cover keyhole plug.

Background technology

At present, the manhole cover that lay along the road surface on the road surface, sidewalk is equipped with the keyhole for the lifting manhole cover, the lifting through hole of manhole cover keyhole generally all is the outer road surfaces that is exposed at, the manhole cover keyhole that exposes is except appearance is not attractive in appearance, also have following defect and shortcoming: 1, safety problem: Ms's high-heeled shoes heel can stepped on the manhole cover keyhole, or blind person's crutch that shows the way can insert keyhole and cause that to fall down, Pan injured; 2, hygienic issues: for the manhole cover keyhole of last lower through-hole, the foul smell of Sha Jing or the not optimum last of the ten Heavenly stems material waved can leak; And for the manhole cover keyhole of lower seal, the ponding space egg reproduction that mosquito can be in keyhole.3, the not convenient problem of working: keyhole can be stopped up by the silt odds and ends, brings difficulty to maintenance mans, hinders maintenance work efficient.Therefore, how to address the above problem, become problem demanding prompt solution.

Summary of the invention

The purpose of this utility model is the above-mentioned deficiency at prior art, provide the manhole cover keyhole is not exposed, make the road surface of band manhole cover keep smooth attractive in appearance, effectively eliminate a kind of manhole cover keyhole plug that foul smell leaks and keyhole itself is stopped up by silt in the well, and be implemented on the existing manhole cover keyhole that easy disassembly is used, durable, convenient reusable purpose.

The purpose of this utility model is achieved in that a kind of manhole cover keyhole plug, and this keyhole plug is made up of main body, screw and location clip; Described main body middle part is provided with axis hole, is provided with positioning runner along the axis hole side, and described location clip be located in axis hole and the positioning runner, is threaded by screw between main body and location clip.

Above-mentioned a kind of manhole cover keyhole plug, the internal face of described axis hole lower end is provided with and prevents to locate the projection that clip comes off, and location clip left-hand thread is positioned in the axis hole do not come off, and makes things convenient for screw to aim to unclamp or fastening.

Above-mentioned a kind of manhole cover keyhole plug, described location clip are provided with the draw-in groove that matches with projection, and location clip screw and axis hole axle center are consistent, and the side makes screw aim at precession smoothly and tightens or loosens.

Described a kind of manhole cover keyhole plug, the cover ovalize of described main body, corresponding with the oval keyhole on the manhole cover, and make things convenient for the purpose of distinguishing other installation direction when installing.

Above-mentioned a kind of manhole cover keyhole plug, described oval-shaped cover bottom surface long axis direction is provided with the locating convex block that periphery is rectangle, and the main body after the installation can not be moved or rotate by horizontal plane, is fixed on the scope that cover can cover keyhole.

Above-mentioned a kind of manhole cover keyhole plug, described cover periphery is provided with anti-skidding striped, and the convenient main body that rotates by hand when mounted lowers main body and skids between finger, and strengthen the cover aesthetic property visually of main body to certain desired angle position.

After the utility model adopts said structure, the main body cover be located in above the manhole cover keyhole, form clip up and down with the location clip that be located in below the manhole cover keyhole, locating clip is buckled liter clamp manhole cover firm and hard existing fastening by screwing screw, made things convenient for easy disassembly, simple in structure and specious purpose thereby be implemented on the existing manhole cover keyhole.

The utlity model has simple in structure, processing combined and instant, installing/dismounting easily, connect firmly, reusable, good looking appearance is promoted popular safety and sanitation and low cost and other advantages.

Description of drawings

Below in conjunction with the embodiment in the accompanying drawing the utility model is described in further detail, but does not constitute any restriction of the present utility model.

Fig. 1 is a disassembly and assembly structure schematic diagram of the present utility model;

Fig. 2 is a cross-sectional view of the present utility model;

Fig. 3 is a front view of the present utility model;

Fig. 4 is a vertical view of the present utility model;

Fig. 5 is the A-A cross-sectional view of Fig. 4;

Fig. 6 is the right view of Fig. 4;

Fig. 7 is a upward view of the present utility model;

Fig. 8 is the utility model scheme of installation.

Among the figure: 1 is body, and 11 is axis hole, and 11a is a projection, and 12 is chute, and 13 is cover, and 13a is anti-skidding striped, and 13b is a locating convex block, and 2 is screw, and 3 are the location clip, and 3a is a draw-in groove.

The specific embodiment

Consult shown in Fig. 1～7, a kind of manhole cover keyhole plug of the present utility model, this keyhole plug is made up of main body 1, screw 2 and location clip 3; Cover 13 ovalizes of main body 1, main body 1 middle part are provided with axis hole 11, are provided with the chute 12 of symmetry along axis hole 11 both sides, and location clip 3 be located in axis hole 11 and the locating slot 12, are threaded by screw 2 between main body 1 and the location clip 3; Axis hole 11 lower end internal faces are provided with and prevent to locate the protruding 11a that clip 3 comes off after installations; The bottom of location clip 3 is provided with the draw-in groove 3a that matches with protruding 11a; Location clip 3 and locating slot 12 are along oval-shaped cover 13 short-axis direction settings; Oval-shaped cover 13 bottom surface long axis directions are provided with and prevent that main body from rotating or be shifted the locating convex block 13b that itself is rectangle after installations; Cover 13 peripheral edge are along being provided with concavo-convex anti-skidding striped 13a.

Consult shown in Figure 8, the utility model is when concrete the use, the appropriate the utility model of combination is located the relative and insertion of oval keyhole long side direction of clip 3 and manhole cover A, insert the back an angle of 90 degrees is rotated in whole combination, make the length direction of location clip 3 parallel with oval keyhole short side direction, and the length direction of cover is parallel with the length of keyhole, and make with screwdriver tighten the screws nail 2 under this state under clip 3 keyholes of location/interior rising, cooperate to final main body 1 and location clip 3 to clamp manhole cover plate A and realize fastening; And when needs removal the utility model, only need carry out above-mentioned working programme on the contrary, just can whole combination be taken out, thereby be implemented in easy disassembly on the existing manhole cover keyhole, easy to use, simple in structure and specious purpose.

The utility model can also adjust according to actual conditions, will belong to protection domain of the present utility model equally.Always draw together it, though the utility model has exemplified above-mentioned preferred implementation, should illustrate, obviously those skilled in the art still can carry out various variations and remodeling.Therefore, unless such variation and remodeling have departed from scope of the present utility model significantly, otherwise all should be included within the protection domain of the present utility model.

Claims (6)

1. A manhole cover keyhole plug, characterized in that: the keyhole plug is composed of a main body (1), screws (2) and positioning clips (3); the middle part of the main body (1) is provided with a shaft hole (11 ), a positioning chute (12) is provided along the side of the shaft hole (11), and the positioning clip (3) is buckled in the shaft hole (11) and the positioning chute (12), and the main body (1) and the positioning clip The buckles (3) are threadedly connected by screws (2). 2. A manhole cover keyhole plug according to claim 1, characterized in that: the inner wall surface of the lower end of the shaft hole (11) is provided with a protrusion (11a). 3. The manhole cover keyhole plug according to claim 1, characterized in that: the positioning clip (3) is provided with a slot (3a) matching with the protrusion (11a). 4. A manhole cover keyhole plug according to claim 1, characterized in that: the surface cover (13) of the main body (1) is oval. 5. A manhole cover keyhole plug according to claim 4, characterized in that: anti-slip stripes (13a) are provided around the oval surface cover (13). 6. A manhole cover keyhole plug according to claim 4, characterized in that: a positioning projection (13b) is provided on the long axis direction of the bottom surface of the oval cover (13).

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