Embedded hinge watertight manhole cover

Abstract

The utility model relates to the technical field of manhole covers, in particular to an embedded hinge watertight manhole cover which comprises a mounting base and a cover body, the mounting base is embedded in a manhole opening and comprises a seat ring and an inner ring flange, a closed ring is arranged between the seat ring and the inner ring flange, and the caliber of the outer end face of the inner ring flange is larger than that of the inner end face of the inner ring flange; the cover body is hinged to the inner ring flange, and when the cover body covers the inner ring flange, the outer surface of the cover body does not exceed the outer end face of the seat ring. According to the manhole cover, the cover body is hinged to the inner ring flange, the locking assemblies are arranged on the closed ring and used for fixing the cover body, and compared with a traditional manhole cover, the manhole cover has the advantages that the opening and closing efficiency is high, and the cover body is not prone to being lost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of manhole cover, concretely is a kind of embedded hinge watertight manhole cover. BACKGROUND

[0002] Manhole cover refers to the cover plate and its fixed accessories with sealing performance installed on manhole, usually applied on ship to provide crew to pass through, and avoid water into cabin when cover, play sealing effect.

[0003] In traditional technology, manhole cover is generally divided into two types of protruding type and embedded type, protruding type refers to manhole cover protruding from cabin surface, embedded type refers to embedding in cabin, with better hiding effect.The existing manhole cover generally includes cover body, seat ring and baffle three parts, wherein, seat ring is used to be fixedly connected with cabin, baffle is usually circular or waist-shaped, and baffle is fixedly installed in seat ring inside, and cover body is then fixedly installed on baffle top plate by bolt connection.When needing to open cover plate, it needs to disassemble many bolts each time to realize, so it is quite troublesome, and cover plate after disassembly also needs to be placed in specific position to be stored, to avoid cover plate loss, further cause the opening and closing efficiency of manhole cover to reduce.Therefore, we propose a kind of embedded hinge watertight manhole cover to solve the above-mentioned drawbacks. SUMMARY

[0004] The utility model aims at providing a kind of embedded hinge watertight manhole cover, to solve the problems proposed in the above background technology.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of embedded hinge watertight manhole cover, including installation base and cover body, the installation base is embedded in manhole opening inside, the installation base includes seat ring and inner ring baffle, closed ring is provided between the seat ring and inner ring baffle, the outer end surface caliber of the inner ring baffle is greater than its inner end surface caliber;

[0007] The cover body is hingedly arranged with the inner ring baffle, and when the cover body is covered on the inner ring baffle, the outer surface of the cover body does not exceed the outer end surface of the seat ring;

[0008] Locking assembly is further provided on the closed ring, and the locking assembly is used to fix the position of the cover body.

[0009] Optionally, the inner surface of the cover body is provided with a sealing groove, and a sealing ring is embedded in the sealing groove, when the cover body is covered on the inner ring baffle, the outer end surface of the inner ring baffle is tightly abutted with the sealing ring.

[0010] Optionally, the locking assembly comprises a plurality of threaded rods, one end of the threaded rod is hingedly arranged with the closing ring, and a locking nut is threadedly sleeved on the threaded rod; the outer surface of the cover body is provided with a plurality of locking pieces corresponding to the threaded rods, and the locking pieces are further provided with locking openings for embedding the threaded rods.

[0011] Optionally, the number of the threaded rods is three, and the three threaded rods are evenly distributed around the hinge part of the cover body.

[0012] Optionally, the inner side of the inner circle flange is in the shape of a waist hole, and the outer end surface of the inner circle flange is lower than the outer end surface of the seat ring.

[0013] Compared with the prior art, the utility model provides a kind of embedded hinge watertight manhole cover, with the following beneficial effects:

[0014] 1.the cover body and the inner circle flange in the utility model are hingedly arranged, and the closing ring is provided with a plurality of locking assemblies for fixing the cover body, compared with the traditional manhole cover, the utility model has the advantages of high opening and closing efficiency and the cover body is not easy to lose;

[0015] 2.the locking assembly and the hinge part of the cover body in the utility model are evenly distributed around the cover body, so that the cover body is uniformly stressed, which helps to improve the cover closing stability and sealing property of the cover body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the structure schematic diagram of the utility model;

[0017] Figure 2 is another angle schematic diagram of the utility model.

[0018] In the drawing: 100, mounting seat;101, seat ring;102, inner circle flange;103, closing ring;200, cover body;201, sealing groove;202, sealing ring;203, locking piece;300, locking assembly;301, threaded rod;302, locking nut. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer to Figure 1 And Figure 2The utility model provides an embedded type hinge watertight manhole cover, including installation base 100 and cover 200, installation base 100 is embedded in the inside of manhole opening, and installation base 100 includes seat ring 101 and inner ring baffle 102, and the closed ring 103 is arranged between seat ring 101 and inner ring baffle 102, the caliber of the outer end surface of inner ring baffle 102 is greater than the caliber of its inner end surface, that is, the sidewall of inner ring baffle 102 is arranged obliquely, and the caliber of the end of inner ring baffle 102 away from closed ring 103 is greater, which facilitates personnel to go in and out, specifically, when the utility model is installed on the cabin deck, the outer end surface of seat ring 101 is flush with the outer surface of cabin deck, the inner side of inner ring baffle 102 is in the shape of a waist hole, and the outer end surface of inner ring baffle 102 is lower than the outer end surface of seat ring 101, that is, inner ring baffle 102 is embedded in the inner side of seat ring 101.

[0021] Seat ring 101, inner ring baffle 102 and closed ring 103 are all made of stainless steel, and the outer ring and inner ring of closed ring 103 are welded and fixed with seat ring 101 and inner ring baffle 102 respectively.

[0022] Further, cover 200 is hingedly arranged with inner ring baffle 102, the inner surface of cover 200 is provided with sealing groove 201, sealing ring 202 is embedded in sealing groove 201, the outer end surface of inner ring baffle 102 is in close abutment with sealing ring 202 when cover 200 is covered on inner ring baffle 102, and the outer surface of cover 200 does not exceed the outer end surface of seat ring 101 when cover 200 is arranged on inner ring baffle 102, that is, cover 200 is also embedded in the inner side of seat ring 101 after being covered.

[0023] In some embodiments of the utility model, closed ring 103 is further provided with locking assembly 300, and locking assembly 300 is used for fixing the position of cover 200. Specifically, locking assembly 300 includes a plurality of threaded rods 301, one end of threaded rod 301 is hingedly arranged with closed ring 103, and locking nut 302 is threadedly sleeved on threaded rod 301; the outer surface of cover 200 is provided with a plurality of locking pieces 203, locking piece 203 corresponds to threaded rod 301 one by one, and locking hole is further arranged in locking piece 203 for embedding threaded rod 301. The number of threaded rods 301 is three, and the hinge parts of the three threaded rods 301 and cover 200 are uniformly distributed around inner ring baffle 102. After cover 200 is covered, three threaded rods 301 can be pushed into the locking holes in locking piece 203 in turn, and then locking nut 302 is rotated to abut against locking piece 203, so as to fix the position of cover 200.

[0024] In summary, the watertight manhole cover of the embodiment adopts an embedded design, which is more beautiful and makes the outer surface of the ship body free of obstructions, effectively avoiding the risk of collision between the cover body and external objects.

[0025] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... " does not, without more limitations, preclude the existence of further identical elements in the process, method, article, or apparatus that comprises the element.

[0026] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An embedded hinge watertight manhole cover, comprising a mounting base (100) and a cover body (200), characterized in that: the mounting base (100) is embedded in the manhole opening, the mounting base (100) comprises a seat ring (101) and an inner ring flange (102), a closing ring (103) is arranged between the seat ring (101) and the inner ring flange (102), and the outer end surface of the inner ring flange (102) has a larger caliber than the inner end surface; the cover body (200) is hingedly arranged with the inner ring flange (102), and when the cover body (200) is arranged on the inner ring flange (102), the outer surface of the cover body (200) does not exceed the outer end surface of the seat ring (101); the closing ring (103) is further provided with a locking assembly (300), and the locking assembly (300) is used for fixing the position of the cover body (200).

2. A flush-hinge watertight manhole cover according to claim 1, characterized in that: the inner surface of the cover body (200) is provided with a sealing groove (201), and a sealing ring (202) is embedded in the sealing groove (201), and when the cover body (200) is closed on the inner ring flange (102), the outer end surface of the inner ring flange (102) is in close contact with the sealing ring (202).

3. An inboard-hinged watertight hatchcover according to claim 1, characterised in that: the locking assembly (300) comprises a plurality of threaded rods (301), one end of the threaded rod (301) is hingedly arranged with the closing ring (103), and a locking nut (302) is threadedly sleeved on the threaded rod (301); the outer surface of the cover body (200) is provided with a plurality of locking pieces (203), the locking piece (203) corresponds to the threaded rod (301) one by one, and the locking piece (203) is further provided with a locking port for embedding the threaded rod (301).

4. A flush-hinge watertight manhole cover according to claim 3, characterized in that: the number of the threaded rods (301) is three, and the hinged parts of the three threaded rods (301) and the cover body (200) are uniformly distributed around the inner ring flange (102).

5. An inboard-hinged watertight hatchcover according to claim 1, characterized in that: the inner side of the inner ring flange (102) is in the shape of a waist hole, and the outer end surface of the inner ring flange (102) is lower than the outer end surface of the seat ring (101).

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