CN203145657U

CN203145657U - Hinge structure for road draining well device

Info

Publication number: CN203145657U
Application number: CN 201320031793
Authority: CN
Inventors: 张艺
Original assignee: BAODING CHANGTU METAL PRODUCTS Co Ltd
Current assignee: BAODING CHANGTU METAL PRODUCTS Co Ltd
Priority date: 2013-01-21
Filing date: 2013-01-21
Publication date: 2013-08-21
Anticipated expiration: 2023-01-21

Abstract

The utility model discloses a hinge structure for a road draining well device. The hinge structure comprises an upper cover, a frame body and a hinge connecting the upper cover and the frame body. The hinge comprises a hinge main body and pin rolls. Pin roll holes are formed at two ends of the hinge main body respectively. One end of the hinge main body is movably fixed on the lateral wall of the frame body through one pin roll, and the other end of the hinge main body is movably fixed on the inner lateral surface of the upper cover through the other pin roll. The pin roll has the advantage of multipoint movement. A cover plate can be opened and closed without barriers from 0 degree to 180 degrees by means of the plurality of pin rolls, and the anti-theft effect is well achieved by means of the built-in hinge and the unique blind hole design. Due to the fact that connection portions of the hinge, the cover plate and the frame body are stressed all the time, shock and sound of the road draining well device caused by the fact that an automobile passes through the road draining well device when passing by are avoided.

Description

Road well tool hinge arrangement

Technical field

The utility model relates to a kind of hinge, especially relates to a kind of well tool special hinge that is arranged on the road.

Background technology

For a long time, the well tool during at home and abroad town road is built comprises the rainwater double-edged fine-toothed comb that is located at the central inspection shaft lid of road or is located at the road both sides, shown in accompanying drawing 1,2.Generally by screw, nut hinges fixing is fixed on loam cake 1 and the framework 3 between loam cake 1 and the framework 3.Because the hinge axis 2 between loam cake 1 and the framework 3 has only one, and hinge axis 2 is in the same position of framework 3 all the time, causes cover plate 1 easily to be blocked by framework after being opened to certain angle.In general, opening angle usually between 90 °～120 °, sometimes because exist make, mismachining tolerance, the opening angle of lid even be less than 90 °.Because the too small cause of opening angle, cause lid higher in the unlatching tailheaviness, be easy to be subjected to external influence (as blow, artificially touch, shake) and between careless, be closed, thereby the operating personnel to down-hole maintenance or drain cleaner cause unnecessary trouble, even might cause that the accident of harm personal safety takes place.And, because the pan of loam cake is ellipticity normally, hinge axis 2 is very big with the fit clearance of this pan, making it loam cake is the state that is in a loose fit with being connected of framework all the time, when galloping through out-of-date, inevitable because rolling of automobile makes the well tool produce vibrations, by and cause sound.In addition, because hinge is fixed on the outside of loam cake by screw, nut, make stealer have an opportunity to take advantage of, cause abominable events such as cover plate is stolen often to take place.

The patent No. is the well lid that 200920065945.6 Chinese patent discloses a kind of 180 ° of upsets, comprise framework, well lid, well lid is connected with framework by the turnover hinge plate, is connected by plate shaft between well lid and the turnover hinge plate, and the turnover hinge plate is connected by the framework axle with framework.The well lid of this kind structure, because its flap exposes in the external world, vehicle can cause vibrations and send sound that hinge exposes and also has stolen hidden danger outside in addition through cover plate the time.The patent No. is that 200420048723.0 Chinese patent discloses a kind of antitheft manhole cover, formed by bearing and well lid etc., connect by joint pin between bearing and the well lid, seam on the bearing is the taper seam, the outer fenestra of well lid is made the conical surface, and the cooperation of bearing and well lid is that inside and outside two conical surfaces match.But this kind well lid can't realize that 180 ° are opened, and the fitting face processing conical surface of bearing and well lid need be caused the increase of processing cost.

Summary of the invention

The purpose of this utility model is to provide a kind of well lid opening angle that makes to reach 180 ° for the defective that overcomes above-mentioned prior art existence, cause strenuous vibration in the time of can not crossing because of automobile high-speed, and road well tool hinge arrangement simple in structure, as can effectively to improve theftproof performance.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of road well tool hinge arrangement, the hinge that comprises loam cake, framework and connection loam cake and framework, described hinge includes hinge body, bearing pin, the two ends of described hinge body are respectively equipped with pin shaft hole, one end of described hinge body is fixed on versatilely by bearing pin on the sidewall of described framework, and the other end of hinge body is fixed on the inner surface of loam cake versatilely by bearing pin.

Be provided with two bearing pins that are parallel to each other at the inner surface of described loam cake and slide seat, the side in opposite directions that described two bearing pins slide seat is equipped with the strip groove, its two ends of bearing pin that are located at hinge body one end are installed in respectively in the strip groove that described two bearing pins slide seat, and described bearing pin can rotate and/or slide in the strip groove of correspondence.Sidewall in described framework is provided with axis pin base, and described axis pin base is provided with the hole that can place bearing pin, and bearing pin can rotate in this hole.

Certainly, also can be provided with two bearing pins that are parallel to each other at the sidewall of described framework and slide seat, the side in opposite directions that described two bearing pins slide seat is equipped with the strip groove, its two ends of bearing pin that are located at hinge body one end are installed in respectively in the strip groove that described two bearing pins slide seat, and described bearing pin can rotate and/or slide in the strip groove of correspondence.Inner surface at described loam cake is provided with axis pin base, and described axis pin base is provided with the hole that can place bearing pin, and bearing pin can rotate in this hole.

Described bearing pin slides the strip groove outside sealing of seat, and the hole that described axis pin base is placed bearing pin is blind hole, is respectively fitted with two bearing pins in the pin shaft hole at hinge body two ends, is equipped with spring between described two bearing pins.As required, loam cake and framework can adopt the hinge of a group or two groups or more to be connected.

Described hinge body is roughly to be 90 ° turning ironcasting, is provided with the reinforcing rib that can improve hinge body intensity at the back side of described hinge body.Described bearing pin is the cylindrical steel member of the antirust zinc layer of coating surface.Described spring is stainless steel compression spring.

Compared with prior art, the utlity model has the characteristics of bearing pin multiple spot activity, rotation by bearing pin and slip effect make loam cake can be between 0 ° to 180 ° switch and fluent, built-in hinge and unique blind hole design are fine in addition must solve antitheft problem.Owing between two bearing pins, be provided with spring, make the connecting portion of hinge and upper cover plate and framework all be in stress all the time, reduced the fit clearance of member effectively, thereby avoided crossing vibrations and the sound that causes the well tool because of automobile high-speed.Simple in structure, the low cost of manufacture of the utility model is widely used in town road construction well tools such as inspection shaft lid, rainwater double-edged fine-toothed comb.

Description of drawings

Fig. 1 is the prior art constructions schematic diagram;

Fig. 2 is the cut-away view among Fig. 1;

Fig. 3 is the structural representation of the utility model embodiment 1;

Fig. 4 is the local enlarged diagram of Fig. 3;

Fig. 5 is the structural representation of the utility model embodiment 2;

Fig. 6 is the local enlarged diagram of Fig. 5;

Fig. 7 is the structural representation of the utility model hinge bodies;

Fig. 8 is the assembling schematic diagram of the utility model hinge bodies and bearing pin.

Fig. 9 is the hinge bodies structural representation that the utlity model has reinforcing rib.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the utility model is elaborated.

Embodiment 1

Accompanying drawing

3,4 is embodiment 1 of the present utility model, and a kind of hinge for inspection shaft lid comprises loam cake 1, framework 3 and connects the hinge 4 of loam cake 1 and framework 3.The structure of hinge 4 comprises hinge body 4-1, bearing pin 6 and spring 5 shown in Fig. 7-9.The two ends of hinge body 4-1 are respectively equipped with pin shaft hole 4-2, are respectively fitted with in pin shaft hole 4-2 between 6, two bearing pins 6 of two bearing pins and are provided with spring 5.For improving antiseptic property, the cylindrical steel member of bearing pin 6 antirust zinc layer for coating surface has, the compression spring that spring 5 is made for stainless steel material.Hinge body 4-1 roughly is 90 ° turning ironcasting, also is provided with the reinforcing rib 4-3 that can improve hinge body 4-1 intensity at the back side of hinge body 4-1.

Be provided with two bearing pins that are parallel to each other at the inner surface of loam cake 1 and slide seat 7, the side in opposite directions that two bearing pins slide seat 7 is equipped with strip groove 9, bearing pin 6 its two ends that are located at hinge body 4-1 one end are installed in respectively in the strip groove 9 that two bearing pins slide seat 7, and bearing pin 6 can rotate and/or slide in the strip groove 9 of correspondence.Sidewall in framework 3 is provided with axis pin base 8, and axis pin base 8 is provided with the hole that can place bearing pin 6, and bearing pin 6 can rotate in this hole.Bearing pin slides strip groove 9 outsides sealing of seat 7, and the hole that axis pin base 8 is placed bearing pin 6 is blind hole.Bearing pin slides seat 7 and can cast in loam cake 1 disjunctor, also can adopt modes such as welding, riveted joint to be fixed together.Axis pin base 8 can cast in framework 3 disjunctors, also can adopt modes such as welding, riveted joint to be fixed together.

During assembling, earlier spring 5 is placed in the pin shaft hole 4-2 at hinge bodies 4-1 two ends, put into bearing pin 6 again at the two ends of spring then, utilize two bearing pins 6 compression springs 5, the bearing pin that hinge 4 is assembled to loam cake 1 slides in the strip groove 9 of seat 7 and in the blind hole of the axis pin base 8 of framework 3 sidewalls.At this moment, the loam cake 1 after just can guaranteeing to be in place is difficult to separate with framework 3, and hinge 4 is fine as to be hidden in the medial surface of loam cake 1, and traditional hinge position is moved on to the inner surface of loam cake from the position of last exterior surface, has played good antitheft effect.

Active force by spring 5 is with bearing pin 6 contacts in the bearing pin of loam cake 1 slides the strip groove 9 of seat 7 and in the blind hole of the axis pin base 8 of framework 3 sidewalls, can effectively avoid shaking and sending sound because automobile rolls.

During use, because the hinge fraction on the framework 3 is around 6 rotations of fixing bearing pin, and the hinge fraction of loam cake 1 is done rotation and translational motion simultaneously in strip groove 9, thus make cover plate 1 can be between 0～180 ° switch like a cork.

Embodiment 2

Embodiment 2 of the present utility model, be a kind of rainwater double-edged fine-toothed comb hinge for water under the road both sides, adopt two groups of hinges 4 to connect loam cake 1 and framework 3, its hinge arrangement and embodiment 1 are identical, every group of hinge includes hinge body 4-1, bearing pin 6 and spring 5, specifically shown in Fig. 5-6.Here repeat no more.

More than describe is to further specifying that the utility model is done in conjunction with the specific embodiment and accompanying drawing.But; the utility model obviously can be implemented with multiple other method that is different from this description; those skilled in the art can promote, deduce according to actual mode of occupation under the situation of the utility model content; therefore, the content of above-mentioned specific embodiment should not limit the really protection domain of regulation of the utility model.

Claims

1. road well tool hinge arrangement, the hinge (4) that comprises loam cake (1), framework (3) and connection loam cake and framework, it is characterized in that: described hinge includes hinge body (4-1), bearing pin (5), the two ends of described hinge body are respectively equipped with pin shaft hole (4-2), one end of described hinge body is fixed on versatilely by bearing pin on the sidewall of described framework, and the other end of hinge body is fixed on the inner surface of loam cake versatilely by bearing pin.

2. hinge arrangement according to claim 1, it is characterized in that: the inner surface of described loam cake (1) is provided with two bearing pins that are parallel to each other and slides seat (7), the side in opposite directions that described two bearing pins slide seat is equipped with strip groove (9), its two ends of bearing pin that are located at hinge body one end are installed in respectively in the strip groove that described two bearing pins slide seat, and described bearing pin can rotate and/or slide in the strip groove of correspondence; The sidewall of described framework (3) is provided with axis pin base (8), and described axis pin base is provided with the hole that can place bearing pin, and bearing pin can rotate in this hole.

3. hinge arrangement according to claim 1, it is characterized in that: the sidewall of described framework is provided with two bearing pins that are parallel to each other and slides seat (7), be located at two bearing pins slide the seat side in opposite directions be equipped with strip groove (9), its two ends of bearing pin of described hinge body one end be installed in respectively described two bearing pins slide the seat the strip groove in, described bearing pin can rotate and/or slide in the strip groove of correspondence; The inner surface of described loam cake (1) is provided with axis pin base (8), and described axis pin base is provided with the hole that can place bearing pin, and bearing pin can rotate in this hole.

4. according to claim 2 or 3 described hinge arrangements, it is characterized in that: described bearing pin slides the strip groove outside sealing of seat (7), the hole that axis pin base (8) is placed bearing pin is blind hole, be respectively fitted with two bearing pins (6) in the pin shaft hole at described hinge body two ends, be provided with spring (5) between described two bearing pins.

5. according to each described hinge arrangement among the claim 1-3, it is characterized in that: described hinge body (4-1) is roughly to be 90 ° turning ironcasting.

6. hinge arrangement according to claim 5, it is characterized in that: the back side of described hinge body (4-1) is provided with the reinforcing rib (4-3) that can improve hinge body intensity.

7. hinge arrangement according to claim 4, it is characterized in that: described bearing pin (6) is the cylindrical steel member of the antirust zinc layer of coating surface, described spring (5) is stainless steel compression spring.

8. hinge arrangement according to claim 2 is characterized in that: bearing pin slides seat (7) and can cast in loam cake (1) disjunctor, also can adopt welding, riveted way to be fixed together.

9. hinge arrangement according to claim 2, it is characterized in that: axis pin base (8) can cast in framework (3) disjunctor, also can adopt welding, riveted way to be fixed together.

10. hinge arrangement according to claim 1 and 2 is characterized in that: loam cake (1) and framework (3) can adopt the hinge (4) of a group or two groups or more to be connected.