CN210338216U

CN210338216U - Manhole cover with good sealing performance

Info

Publication number: CN210338216U
Application number: CN201921304850.5U
Authority: CN
Inventors: 张�杰
Original assignee: Xinghua Jiefa Machinery Co Ltd
Current assignee: Xinghua Jiefa Machinery Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-04-17
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a manhole cover that leakproofness is good, including a card section of thick bamboo and lid, the lid passes through hinge fixed mounting in the left side of a card section of thick bamboo, just hinged joint fixes the upper end at a card section of thick bamboo and lid, the draw-in groove has been seted up on the middle part outer lane surface of a card section of thick bamboo, and inside encircleing of draw-in groove is fixed with rubber gasbag, and rubber gasbag's right side is connected with the air duct, and air duct and the inside intercommunication of rubber gasbag, encircleing in the draw-in groove in the rubber gasbag outside and being fixed with the sheet rubber, the left side lower extreme welded fastening of a card section of thick bamboo. The utility model discloses an outer lane surface at a card section of thick bamboo has seted up the draw-in groove, then encircles in the draw-in groove in proper order and be fixed with rubber gasbag and sheet rubber, will block a section of thick bamboo and insert to in the manhole and fixed back, can aerify in the rubber gasbag, make its inflation and to the sheet rubber top to with the contact of manhole inner wall, can increase the seal between manhole cover body and the manhole.

Description

Manhole cover with good sealing performance

Technical Field

The utility model relates to a boats and ships manhole cover technical field specifically is a manhole cover that leakproofness is good.

Background

At present, ships and various ships are collectively called. The ship is a vehicle which can sail or berth in water area for transportation or operation, and has different technical performance, equipment and structural style according to different use requirements.

The existing manhole cover has a good sealing effect after being closed, and when the manhole cover is installed and fixed in a manhole, a certain gap still exists between the outer wall of the manhole cover and the inner wall of the manhole, so that the complete tightness between the manhole cover body and the manhole cannot be guaranteed, and further the tightness of the manhole is not tight enough. Therefore, a manhole cover with good sealing performance is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a manhole cover that leakproofness is good has seted up the draw-in groove through the outer lane surface at a card section of thick bamboo, then encircles in the draw-in groove in proper order and be fixed with rubber gasbag and sheet rubber, will block a section of thick bamboo and insert to in the manhole and fixed back, can aerify in the rubber gasbag, make its inflation and to the sheet rubber top to with the contact of manhole inner wall, can increase the seal between manhole cover body and the manhole, solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a manhole cover with good sealing performance comprises a clamping cylinder and a cover body, wherein the cover body is fixedly arranged on the left side of the clamping cylinder through a hinge, and the hinge is fixedly connected to the upper ends of the clamping cylinder and the cover body;

the middle part outer lane surface of a calorie section of thick bamboo has seted up the draw-in groove, and the draw-in groove is inside to encircle and be fixed with rubber gasbag, and rubber gasbag's right side is connected with the air duct, and air duct and the inside intercommunication of rubber gasbag, the draw-in groove in the rubber gasbag outside is encircleed and is fixed with the sheet rubber, the left side lower extreme welded fastening of a calorie section of thick bamboo has the nut piece, and the lower extreme welded fastening of lid has the fixed plate, and transversely runs through on the fixed plate and be fixed with the bull stick, and the right side of bull stick is through the screw thread that the surface set up and connects soon and.

As an optimized embodiment of the present invention, the right side surface of the cover body is fixed with a sealing block, the left side outer ring surface of the clamping cylinder is fixed with a rubber pad, and the sealing block contacts with the rubber pad.

As an optimal implementation manner of the utility model, the bull stick outer lane of fixed plate both sides is all connected and is fixed with the limiting plate, the limiting plate is two.

As a preferred embodiment of the present invention, a handle is fixed to the lower end surface of the left side of the lid body, and the handle is fixed to the left side surface of the lid body by welding.

As a preferred embodiment of the utility model, the right end connection of air duct is fixed with the inflating valve, and inflating valve and air duct intercommunication.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a manhole cover that leakproofness is good has seted up the draw-in groove through the outer lane surface at a card section of thick bamboo, then encircles in the draw-in groove in proper order and be fixed with rubber gasbag and sheet rubber, will block a section of thick bamboo and insert to in the manhole and fixed back, can aerify in the rubber gasbag, make its inflation and to the sheet rubber top to with the contact of manhole inner wall, can increase the seal between manhole cover body and the manhole.

2. The utility model discloses a manhole cover that the leakproofness is good has sealed piece through the right side fixed surface who makes the lid, and the left side outer lane fixed surface of a card section of thick bamboo has the rubber pad, and sealed piece contacts with the rubber pad, and the sealed effect of lid department can be increased to the rubber pad and the contact of sealed piece when closing.

3. The utility model discloses a manhole cover that the leakproofness is good all connects through the bull stick outer lane that makes the fixed plate both sides and is fixed with the limiting plate, and the limiting plate is two, when rotating the bull stick and making its right side twist in the nut piece, the limiting plate can avoid the bull stick to slide to the right side and lead to the phenomenon emergence of unable locking lid.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the whole structure of the manhole cover with good sealing performance;

fig. 2 is a detailed schematic diagram of a position a of the manhole cover with good sealing performance.

In the figure: 1. clamping the cylinder; 2. a cover body; 3. a rubber air bag; 4. a rubber sheet; 5. an air duct; 6. an air valve; 7. a hinge; 8. a rubber pad; 9. a sealing block; 10. a handle; 11. a turntable; 12. a limiting plate; 13. a fixing plate; 14. a rotating rod; 15. a nut block; 16. a clamping groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-2, the present invention provides a technical solution: a manhole cover with good sealing performance comprises a clamping cylinder 1 and a cover body 2, wherein the cover body 2 is fixedly arranged on the left side of the clamping cylinder 1 through a hinge 7, and the hinge 7 is fixedly connected to the upper ends of the clamping cylinder 1 and the cover body 2;

the middle part outer lane surface of a clamping section of thick bamboo 1 has seted up draw-in groove 16, and draw-in groove 16 is inside to encircle and be fixed with rubber gasbag 3, and rubber gasbag 3's right side is connected with air duct 5, and air duct 5 and the inside intercommunication of rubber gasbag 3, the draw-in groove 16 inner ring in the 3 outsides of rubber gasbag is fixed with sheet rubber 4, the left side lower extreme welded fastening of a clamping section of thick bamboo 1 has nut piece 15, and the lower extreme welded fastening of lid 2 has fixed plate 13, and transversely runs through on fixed plate 13 and be fixed with bull stick 14, and the right side of bull stick 14 is connected soon through the screw thread that the surface set up and is run through nut piece 15, the terminal welded fastening in left side.

In this embodiment (see fig. 1 and 2), a clamping groove 16 is formed in the outer ring surface of the clamping cylinder 1, and then the rubber airbag 3 and the rubber sheet 4 are sequentially fixed in the clamping groove 16 in a surrounding manner, after the clamping cylinder 1 is inserted into and fixed in the manhole, the rubber airbag 3 can be inflated to expand and push the rubber sheet 4 to be in contact with the inner wall of the manhole, so that the sealing performance between the manhole cover body and the manhole can be improved.

Wherein, the right side surface mounting of lid 2 has sealed piece 9, and the left side outer lane surface mounting of card section of thick bamboo 1 has rubber pad 8, and sealed piece 9 contacts with rubber pad 8.

In this embodiment (see fig. 1), the sealing block 9 is fixed on the right side surface of the cover body 2, the rubber pad 8 is fixed on the left outer ring surface of the clamping cylinder 1, the sealing block 9 contacts with the rubber pad 8, and the rubber pad 8 contacts with the sealing block 9 when the clamping cylinder is closed, so that the sealing effect at the cover body 2 can be increased.

The outer rings of the rotating rods 14 on two sides of the fixed plate 13 are connected and fixed with two limiting plates 12, and the number of the limiting plates 12 is two.

In this embodiment (please refer to fig. 1), the outer rings of the rotating rods 14 on both sides of the fixing plate 13 are connected and fixed with the two limiting plates 12, and when the rotating rods 14 are rotated to screw the right side of the rotating rods 14 into the nut block 10, the limiting plates 12 can prevent the rotating rods 14 from sliding to the right side to cause the phenomenon that the cover body 2 cannot be locked.

The handle 10 is fixed on the lower end surface of the left side of the cover body 2, and the handle 10 is fixed on the left side surface of the cover body 2 by welding.

In the present embodiment (see fig. 1), the handle 10 is provided, so that the lid body 2 can be opened or closed by the handle 10.

Wherein, the right side end connection of air duct 5 is fixed with inflating valve 6, and inflating valve 6 and air duct 5 intercommunication.

In this embodiment (see fig. 1), the inflating valve 6 is provided, and the rubber air bag 3 can be inflated or deflated through the inflating valve 6 and the air duct 5.

It should be noted that the utility model relates to a manhole cover with good sealing performance, which comprises a clamping cylinder 1, a cover body 2, a rubber air bag 3, a rubber sheet 4, an air duct 5, an inflating valve 6, a hinge 7, a rubber pad 8, a sealing block 9, a handle 10, a rotary table 11, a limiting plate 12, a fixing plate 13, a rotary rod 14, a nut block 15 and a clamping groove 16, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components are known by technicians in the field through technical manuals or conventional experimental methods, when the manhole cover is installed, one side of the clamping cylinder 1 is inserted into a manhole, then the clamping cylinder 1 is fixed in the manhole through a bolt and other tools, then an inflating device is used for inflating the rubber air bag 3 through the inflating valve 6 and the air duct 5 to expand the rubber air bag, the expanded rubber air bag 3 pushes the rubber sheet 4 outwards, and then can make the sheet rubber 4 and downthehole wall in the people's eye in close contact with, increased the leakproofness, after making lid 2 close and close, through carousel 11 rotation bull stick 14, the right side of bull stick 14 connects soon to in the nut piece 10, because the limiting displacement of limiting plate 12, can make it pull lid 2 and then live lid 2 seal to the left side, reverse unscrew bull stick 14 from in the nut piece 10, can open lid 2, can stimulate lid 2 through handle 10 and make it open completely.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a manhole cover that leakproofness is good, includes a card section of thick bamboo (1) and lid (2), its characterized in that: the cover body (2) is fixedly arranged on the left side of the clamping cylinder (1) through a hinge (7), and the hinge (7) is fixedly connected to the upper ends of the clamping cylinder (1) and the cover body (2);

draw-in groove (16) have been seted up on the middle part outer lane surface of a calorie section of thick bamboo (1), and draw-in groove (16) inside encircles and is fixed with rubber gasbag (3), and the right side of rubber gasbag (3) is connected with air duct (5), and air duct (5) and the inside intercommunication of rubber gasbag (3), it is fixed with sheet rubber (4) to encircle in draw-in groove (16) in the rubber gasbag (3) outside, the left side lower extreme welded fastening of a calorie section of thick bamboo (1) has nut piece (15), and the lower extreme welded fastening of lid (2) has fixed plate (13), and transversely runs through being fixed with bull stick (14) on fixed plate (13), and the right side of bull stick (14) is through nut piece (15) through the screw thread grafting that the surface set up, the terminal welded fastening in left side of bull stick (14) has carousel (.

2. The manhole cover with good sealing performance as claimed in claim 1, wherein: the right side surface mounting of lid (2) has sealed piece (9), and the left side outer lane surface mounting of card section of thick bamboo (1) has rubber pad (8), and sealed piece (9) and rubber pad (8) contact.

3. The manhole cover with good sealing performance as claimed in claim 1, wherein: the outer rings of the rotating rods (14) on two sides of the fixing plate (13) are connected and fixed with two limiting plates (12), and the number of the limiting plates (12) is two.

4. The manhole cover with good sealing performance as claimed in claim 1, wherein: the handle (10) is fixed on the surface of the lower end of the left side of the cover body (2), and the handle (10) is fixed on the surface of the left side of the cover body (2) in a welding mode.

5. The manhole cover with good sealing performance as claimed in claim 1, wherein: the right end of the air duct (5) is fixedly connected with an air valve (6), and the air valve (6) is communicated with the air duct (5).