CN217814945U

CN217814945U - Waterproof device for preventing gas valve well from watering and back-flowing

Info

Publication number: CN217814945U
Application number: CN202222322298.0U
Authority: CN
Inventors: 任金林; 魏文飞; 赵懿; 张元�
Original assignee: Karamay City Gas Co ltd
Current assignee: Karamay City Gas Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2022-11-15
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a waterproof device for preventing gas valve well from watering and flowing backwards, which comprises a well lid body, wherein the middle part of the well lid body is provided with an air vent in a penetrating way, a waterproof mechanism is arranged in the air vent, the waterproof mechanism comprises a top block, a positioning block is arranged at the bottom of the top block, the positioning block is positioned in the air vent, the top of the outer side of the positioning block is fixedly sleeved with a top ring, and a first air vent groove is uniformly arranged in the positioning block in a penetrating way; the utility model discloses can make the well lid of gas valve well at the in-process that uses, when meetting the afforestation and watering or rainwater, can protect the air vent on the well lid body, be convenient for reach the effect of preventing flowing backward, effectually avoided the well in intake and arouse the humid condition to take place.

Description

Waterproof device for preventing gas valve well from watering and back-flowing

Technical Field

The utility model belongs to the technical field of the design and the improvement of gas valve well protective apparatus facility, specifically be a prevent that gas valve well from watering the watertight fittings that flows backward.

Background

The valve well is a pit or a well similar to a small room, and the valve and the like are arranged in the pit, so that the valve well is convenient for opening and closing partial pipe network operation or maintenance operation, the valve well is convenient for regularly checking, cleaning and dredging the pipeline, and a junction for preventing the pipeline from being blocked, the pit is called the valve well, the gas valve well belongs to one of the valve wells, a well cover is arranged on the gas valve well, and a vent hole is formed in the well cover; at present, the well lid of gas valve well is when meetting the afforestation and watering or during the rainwater, is not convenient for reach the effect of preventing flowing backwards, leads to intaking in the well and arousing the humidity at the in-process that uses of meeting to the better user demand who satisfies people of not being convenient for.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a prevent that gas valve well from watering water-proof device who flows backward, the effectual well lid that has solved present gas valve well is at the in-process that uses, when meetting the afforestation and watering or rainwater, is not convenient for reach the effect of preventing flowing backward, leads to intaking in the well and arouses moist problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent gas valve well watering water-proof equipment who flows backward, including the well lid body, the air vent has been seted up in the middle part of well lid body through, the internally mounted of air vent has waterproofing mechanism, waterproofing mechanism includes the kicking block, the locating piece is installed to the bottom of kicking block, the locating piece is located the inside of air vent, the fixed cover in outside top of locating piece is equipped with the apical ring, the inside of locating piece evenly runs through and has seted up first air channel, the second air channel has evenly been seted up to the inside of kicking block, the third air channel has evenly been seted up on the outside limit of kicking block, and the slope of third air channel sets up in the inside of kicking block, wherein first air channel and second air channel intercommunication, third air channel and second air channel intercommunication, the threaded rod is installed to the bottom of locating piece, the bottom of threaded rod runs through in the air vent and extend to the below of well lid body, the annular slab is installed to the below of well lid body, the even circular port has been seted up on the annular slab, the annular slab activity cover is located the outside of threaded rod, the bottom of annular slab installs connection bearing, and connect the bearing activity cover and locate the outside of threaded rod, and install adjusting nut, and adjusting nut threaded rod.

Preferably, the number of the first vent grooves, the second vent grooves and the third vent grooves is six, and the number of the circular holes is also six.

Preferably, the top of the ejector block is of a hemispherical structure, a baffle ring is fixedly sleeved on the outer side edge of the ejector block, an outer circular ring is mounted at the bottom of the baffle ring, and the third air passing groove is located below the baffle ring and inside the outer circular ring.

Preferably, the positioning block is a cylindrical block, the diameter of the positioning block is matched with that of the vent hole, and the length of the positioning block is smaller than the depth of the vent hole.

Preferably, the bottom of the top ring is provided with a first rubber sealing ring, and the diameter of the first rubber sealing ring is larger than that of the positioning block.

Preferably, the diameter of the inner hole of the annular plate is larger than the diameter of the threaded rod, the second rubber sealing ring is installed at the top of the annular plate, and the six circular holes are located inside the second rubber sealing ring.

Compared with the prior art, the beneficial effects of the utility model are that: (1) In the working process, the arranged waterproof mechanism can protect the vent holes on the well lid body when the well lid of the gas valve well is used and is watered in a greening way or rainwater is encountered, so that the effect of preventing backflow is achieved, and the moisture condition caused by water inflow in the well is effectively avoided; (2) In operation, through the interact of the first air channel, the second air channel, the third air channel and the circular port that set up, can make waterproofing mechanism when protecting the air vent, also can reach good ventilation effect to be convenient for can be better satisfy people's user demand.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings: FIG. 1 is a schematic structural view of the waterproof device for preventing the gas valve well from watering and flowing backwards; fig. 2 is a schematic structural view of the waterproof mechanism of the present invention; fig. 3 is an explosion schematic view of the waterproof mechanism of the present invention; fig. 4 is a schematic structural view of the top block of the present invention; fig. 5 is a schematic view of the cross-sectional structure of the top block of the present invention; FIG. 6 is a schematic view of the annular plate structure of the present invention; in the figure: 1. a well lid body; 2. a vent hole; 3. a waterproof mechanism; 4. a top block; 5. positioning blocks; 6. a top ring; 7. a first vent channel; 8. a second vent groove; 9. a third vent groove; 10. a threaded rod; 11. an annular plate; 12. a circular hole; 13. connecting a bearing; 14. adjusting the nut; 15. a baffle ring; 16. an outer ring; 17. a first rubber seal ring; 18. and a second rubber sealing ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the first embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the manhole cover comprises a manhole cover body 1, wherein a vent hole 2 is formed in the middle of the manhole cover body 1 in a penetrating manner, and a waterproof mechanism 3 is installed inside the vent hole 2;

the waterproof mechanism 3 comprises a top block 4, a positioning block 5 is arranged at the bottom of the top block 4, the positioning block 5 is positioned inside the vent hole 2, the positioning block 5 is a cylindrical block, the diameter of the positioning block 5 is matched with the diameter of the vent hole 2, the length of the positioning block 5 is smaller than the depth of the vent hole 2, a top ring 6 is fixedly sleeved at the top end of the outer side of the positioning block 5, a first vent groove 7 is uniformly formed in the positioning block 5 in a penetrating manner, a second vent groove 8 is uniformly formed in the top block 4, a third vent groove 9 is uniformly formed in the outer side edge of the top block 4, the third vent groove 9 is obliquely arranged in the top block 4, the first vent groove 7 is communicated with the second vent groove 8, the third vent groove 9 is communicated with the second vent groove 8, a threaded rod 10 is arranged at the bottom of the positioning block 5, the bottom of the threaded rod 10 penetrates through the vent hole 2 and extends to the lower part of the well lid body 1, a ring-shaped plate 11 is arranged below the well lid body 1, circular holes 12 are uniformly formed in the annular plate 11, the annular plate 11 is movably sleeved on the outer side of the threaded rod 10, connecting bearings 13 are installed at the bottom of the annular plate 11, the connecting bearings 13 are movably sleeved on the outer side of the threaded rod 10, adjusting nuts 14 are installed at the bottom of the connecting bearings 13, the adjusting nuts 14 are installed on the outer side of the threaded rod 10 in a threaded manner, the number of the first vent grooves 7, the number of the second vent grooves 8 and the number of the third vent grooves 9 are six, the number of the circular holes 12 is six, the top of the ejector block 4 is of a hemispherical structure, retaining rings 15 are fixedly sleeved on the outer side of the ejector block 4, outer circular rings 16 are installed at the bottoms of the retaining rings 15, the third vent grooves 9 are located below the retaining rings 15 and located inside the outer circular rings 16, first rubber sealing rings 17 are installed at the bottoms of the ejector rings 6, and the diameters of the first rubber sealing rings 17 are larger than the diameters of the positioning blocks 5, the diameter of an inner hole of the annular plate 11 is larger than that of the threaded rod 10, a second rubber sealing ring 18 is installed at the top of the annular plate 11, and the six circular holes 12 are located inside the second rubber sealing ring 18; in the use, waterproofing mechanism 3 through setting up, can make the well lid of gas valve well at the in-process that uses, when meetting the afforestation and watering or when rainwater, can protect air vent 2 on the well lid body 1, be convenient for reach and prevent the effect of flowing backward, effectually avoided the well in intake and arouse the humid condition to take place, and through the first air channel 7 that sets up, second air channel 8, the interact of third air channel 9 and circular port 12, can make waterproofing mechanism 3 when protecting air vent 2, also can reach good ventilation effect, thereby be convenient for can be better satisfy people's user demand.

The working principle is as follows: during operation, firstly, the adjusting nut 14 is rotated, the connecting bearing 13 and the annular plate 11 are driven to be separated from the threaded rod 10, then the threaded rod 10 is inserted into the vent hole 2, the ejector block 4 is located above the well lid body 1, the positioning block 5 is inserted into the vent hole 2, the first rubber sealing ring 17 at the bottom of the ejector ring 6 is in contact with the top of the well lid body 1, then the annular plate 11 is sleeved outside the threaded rod 10 from the lower side of the well lid body 1 again, the adjusting nut 14 is installed on the threaded rod 10 in a threaded manner again, then the adjusting nut 14 is rotated, the annular plate 11 is pushed by the connecting bearing 13 to move upwards, the annular plate 11 drives the second rubber sealing ring 18 to move upwards to be in contact with the bottom of the well lid body 1, then the adjusting nut 14 is screwed down, the waterproof mechanism 3 is stably installed in the vent hole 2 on the well lid body 1, after installation is completed, as the height of the ejector block 4 is higher than that of the well lid body 1, the third vent groove 9 is arranged obliquely, the reverse splashing of water can be prevented, and the water can also reach the outer side of the third vent groove 9, and the outer side of the vent groove 7 and the vent groove can be formed at the same time, and normal water flow of the vent groove can be prevented, and the water flow of the water can be prevented from flowing through the first vent groove 7, and the water flow preventing groove can be prevented at the same time.

Claims

1. The utility model provides a prevent that gas valve well from watering watertight fittings of flowing backward, includes well lid body (1), its characterized in that: the middle part of the well lid body (1) is provided with an air vent (2) in a penetrating way, a waterproof mechanism (3) is arranged inside the air vent (2), the waterproof mechanism (3) comprises a top block (4), a positioning block (5) is arranged at the bottom of the top block (4), the positioning block (5) is positioned inside the air vent (2), a top ring (6) is fixedly sleeved at the top end of the outer side of the positioning block (5), a first vent groove (7) is uniformly formed in the inner part of the positioning block (5) in a penetrating way, a second vent groove (8) is uniformly formed in the inner part of the top block (4), a third vent groove (9) is uniformly formed in the outer side edge of the top block (4), the third vent groove (9) is obliquely arranged inside the top block (4), the first vent groove (7) is communicated with the second vent groove (8), the third vent groove (9) is communicated with the second vent groove (8), a threaded rod (10) is arranged at the bottom of the positioning block (5), the bottom of the vent hole (10) penetrates through the bottom of the air vent (2) and extends to the lower part of the well lid body (1), a threaded rod (11) is uniformly arranged on an outer side of a threaded rod (11), a bearing plate (11) which is connected with a threaded rod (11) which is arranged on a bearing (11), and the connecting bearing (13) is movably sleeved on the outer side of the threaded rod (10), the bottom of the connecting bearing (13) is provided with an adjusting nut (14), and the adjusting nut (14) is arranged on the outer side edge of the threaded rod (10) in a threaded manner.

2. A water-tight device for preventing a gas valve well from watering and flowing backwards as claimed in claim 1, wherein: the number of the first ventilation grooves (7), the second ventilation grooves (8) and the third ventilation grooves (9) is six, and the number of the circular holes (12) is also six.

3. A water-tight device for preventing a gas valve well from watering and flowing backwards as claimed in claim 1 or 2, wherein: the top of kicking block (4) is the hemisphere structure, and the fixed cover in outside limit of kicking block (4) is equipped with and keeps off ring (15), keeps off the bottom of ring (15) and installs outer ring (16), and third air channel (9) are located the below of keeping off ring (15) and are located the inside of outer ring (16).

4. A water-tight device for preventing a gas valve well from watering and flowing backwards as claimed in claim 1 or 2, wherein: the positioning block (5) is a cylindrical block, the diameter of the positioning block (5) is matched with that of the vent hole (2), and the length of the positioning block (5) is smaller than the depth of the vent hole (2).

5. The waterproof device for preventing the gas valve well from watering and back-flowing as claimed in claim 1 or 2, wherein: the bottom of the top ring (6) is provided with a first rubber sealing ring (17), and the diameter of the first rubber sealing ring (17) is larger than that of the positioning block (5).

6. The waterproof device for preventing the gas valve well from watering and back-flowing as claimed in claim 1 or 2, wherein: the diameter of the inner hole of the annular plate (11) is larger than that of the threaded rod (10), the second rubber sealing ring (18) is installed at the top of the annular plate (11), and the six circular holes (12) are located inside the second rubber sealing ring (18).