CN210797733U

CN210797733U - Fire-fighting emergency well cover

Info

Publication number: CN210797733U
Application number: CN201920499941.2U
Authority: CN
Inventors: 常应祥; 朱世洋; 黄为; 钟科生
Original assignee: Hunan Jinlong Zhicheng Science And Technology Co ltd
Current assignee: Hunan Jinlong Zhicheng Science And Technology Co ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-06-19
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a fire-fighting emergency well cover, which comprises a cover body, a connecting hole penetrating through the upper and lower surfaces of the cover body, a connecting seat arranged at the bottom of the cover body and corresponding to the connecting hole, and a fire hydrant in threaded connection with the connecting seat; the fire hydrant comprises a main pipeline, a water outlet arranged on the side wall of the main pipeline, a valve body arranged at the top of the main pipeline, and a fire fighting interface arranged at the water outlet, wherein the bottom of the main pipeline is provided with a water inlet, and the fire hydrant also comprises an elastic telescopic pipe arranged at the water inlet; the circular arc outer wall of lid still is provided with the anti-rotation arch with the walling crib adaptation. The problem of among the prior art, well lid structure is comparatively simple does not have other additional functions is solved.

Description

Fire-fighting emergency well cover

Technical Field

The utility model discloses sewer well lid field especially relates to an emergent well lid of fire control.

Background

The underground pipe gallery is a public tunnel which is used for intensively laying municipal pipelines such as electric power, communication, broadcast television, water supply, drainage, heat, gas and the like in the underground of a city. Underground pipe gallery is as domestic novel municipal facilities, and its supporting well lid obtains extensive application in city capital construction planning. Among the prior art, underground pipe gallery's supporting well lid structure is comparatively simple, only is used for sheltering from sewer pipe and does not have additional function.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a fire control emergency well lid to the simple structure problem that does not have additional function of above-mentioned underground pipe gallery's supporting well lid.

A fire-fighting emergency well cover comprises a cover body, a connecting hole penetrating through the upper surface and the lower surface of the cover body, a connecting seat arranged at the bottom of the cover body and a fire hydrant; the upper end opening of the connecting seat is arranged corresponding to the connecting port, and the fire hydrant is in threaded connection with the connecting seat through the upper end opening of the connecting seat; the fire hydrant comprises a main pipeline, a water outlet arranged on the side wall of the main pipeline, a valve body arranged at the top of the main pipeline, and a fire fighting interface arranged at the water outlet, wherein the bottom of the main pipeline is provided with a water inlet, and the fire hydrant also comprises an elastic telescopic pipe arranged at the water inlet; the circular arc outer wall of lid still is provided with the anti-rotation arch with the walling crib adaptation.

Preferably, the outer wall of the main pipeline close to the top of the main pipeline is further provided with a sealing disc, the sealing disc is matched with the connecting hole, the arc outer wall of the sealing disc is further provided with an annular groove, and a sealing ring is further arranged in the annular groove; the inner wall of the connecting hole is further provided with a limiting ring for bearing the sealing disc, and the upper surface of the sealing disc is further provided with an inner hexagonal blind hole for assisting in screwing a fire hydrant to enable the fire hydrant to ascend and descend in the connecting hole.

Preferably, a filtering assembly is further arranged between the water inlet and the elastic telescopic pipe, and the filtering assembly comprises a pipe body and a filtering net, wherein the two ends of the pipe body are respectively connected with the water inlet and the elastic telescopic pipe, and the filtering net is arranged in the pipe body.

Preferably, the connecting seat includes with the connecting sleeve of connecting hole coaxial setting, the connecting sleeve is kept away from the inner wall of lid one end is provided with connecting thread, the connecting sleeve with still be provided with the floor between the lid.

Preferably, the connecting sleeve is further provided with an anti-blocking notch which is formed along the axial direction.

Preferably, the valve stem thread and the connecting thread of the valve body are in the same direction.

The utility model discloses with the fire hydrant that sets up the connecting seat on the lid and with the connecting seat adaptation, the two is through threaded connection, revolve wrong twist the fire hydrant alright make it stretch out or return and contract and accept to the connecting seat in can following the connecting seat, its simple structure, applicable in the old city district or the narrow street that lack the fire hydrant, solved and the problem of well lid function singleness among the prior art.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the fire emergency manhole cover of the present invention;

fig. 2 is a schematic structural diagram of the cover body and the connecting seat in the embodiment of fig. 1.

Detailed Description

The utility model provides a fire-fighting emergency well cover, referring to fig. 1 and 2, the fire-fighting emergency well cover comprises a cover body 11, a connecting hole 12 penetrating through the upper and lower surfaces of the cover body 11, and a fire hydrant provided at the bottom of the cover body 11 and corresponding to the connecting hole 12; the upper end opening of connecting seat 14 is arranged corresponding to connecting hole 12, and the fire hydrant is in threaded connection with connecting seat 12 through the upper end opening of connecting seat 12; the fire hydrant comprises a main pipeline, a water outlet arranged on the side wall of the main pipeline, a valve body 21 arranged at the top of the main pipeline, and a fire fighting interface arranged at the water outlet, wherein the bottom of the main pipeline is provided with a water inlet, and the fire hydrant further comprises an elastic telescopic pipe 24 arranged at the water inlet; the arc outer wall of the cover body 11 is also provided with an anti-rotation bulge 16 matched with the walling crib. In this embodiment, the cover 11 preferably has a round cake shape, and the cover 11 is further provided with a water flow hole 13 and a cavity 15 for inserting fingers to open and close the cover 11. The coupling hole 12 is a central through hole provided in the cover 11, and is provided on the lower surface of the cover 11 coaxially with the coupling hole 12. The inner wall of connecting base 14 is provided with a connecting thread for connecting a hydrant. And a connecting thread 23 matched with the connecting seat 14 is also arranged on the outer wall of the lower end of the main pipeline of the fire hydrant, which is close to the water inlet. The hydrant may be raised or lowered in coupling socket 14 while screwing the hydrant. The flexible pipe 24 of elasticity that the water inlet department of fire hydrant set up can stretch downwards and prolong to the surface of water below, when the demand of drawing water, revolves the fire hydrant soon and rises and expose the delivery port to with the fire hose with the fire control interface connection of delivery port department, and open the valve at fire hydrant top, extract the fire extinguishing through the pump body of peripheral hardware with the water in the sewer. When the hydrant is screwed into coupling holder 14 after use, the entire hydrant is lowered and housed in coupling holder 14, and the upper end of the hydrant is flush with the upper surface of cover 11.

The utility model discloses with the fire hydrant of setting up connecting seat 14 on the lid 11 and with connecting seat 14 adaptation, the two is through threaded connection, revolve wrong fire hydrant alright make it stretch out or return and contract and accept to connecting seat 14 in can following connecting seat 14, its simple structure, applicable in the old city district or the narrow street that lack the fire hydrant, solved and the problem of well lid function singleness among the prior art.

Further, referring to fig. 1 and 2, the outer wall of the main pipe near the top thereof is further provided with a sealing plate 22，The sealing disc 22 is matched with the connecting hole 12, an annular groove is further formed in the arc outer wall of the sealing disc 22, and a sealing ring is further arranged in the annular groove; the inner wall of the connecting hole 12 is also provided with a limiting ring for bearing the sealing disc 22, and the upper surface of the sealing disc 22 is also provided with an inner hexagonal blind hole for assisting in screwing a fire hydrant to enable the fire hydrant to ascend and descend in the connecting hole 12. In the present embodiment, the diameter of the sealing disk 22 is slightly smaller than the diameter of the connection hole 12. The valve body 21 can be accommodated in the closing disk 22 with the hand wheel flush with the top of the closing disk 22 in the closed state. The sealing ring on sealing plate 22 is preferably an O-ring which engages the inner wall of coupling bore 12 when the hydrant is threadably received in coupling housing 14Contact prevents silt from entering connecting section 14. The inner hexagonal blind hole can be used for being filled with a hexagonal wrench to assist in screwing the fire hydrant. Set up the spacing ring and prevent that the fire hydrant from excessively twisting and falling into in the sewer.

Further, referring to fig. 1 and 2, a filtering assembly 25 is further disposed between the water inlet and the elastic telescopic tube 24, and the filtering assembly 25 includes a tube body and a filtering net, wherein two ends of the tube body are respectively connected with the water inlet and the elastic telescopic tube, and the filtering net is disposed inside the tube body. In this embodiment, the inner wall of water inlet is provided with the screw thread, and the body passes through threaded connection with the water inlet. The filter screen sets up can be used to filter the silt of large granule in jar internal portion.

Further, referring to fig. 1 and 2, the connection seat 14 includes a connection sleeve 14a coaxially disposed with the connection hole 12, a connection thread is disposed on an inner wall of the connection sleeve 14a far away from one end of the cover 11, and a rib plate 14b is further disposed between the connection sleeve 14a and the cover 11. In this embodiment, the connection sleeve 14a is disposed on the lower surface of the cover 11, the connection thread disposed on the inner wall of the connection sleeve is matched with the connection thread disposed on the outer wall of the lower end of the fire hydrant, and the rib plate 14b between the connection sleeve 14a and the cover 11 plays a role in reinforcement. Still be provided with the anti-sticking who sets up along the axial on adapter sleeve 14a and die the breach, after adapter sleeve 14a is inside gets into silt, at the in-process of twisting soon, silt can be followed the anti-sticking and die the breach and discharged, has improved the environment suitability and the life of this emergent well lid of fire control.

Further, referring to fig. 1 and 2, the stem thread and the connection thread of the valve body 21 are in the same direction. In this embodiment, when the hydrant is screwed down clockwise and received in coupling socket 14 until the stop collar limits further downward, further screwing the hand wheel clockwise closes the valve. Accordingly, when the hydrant is screwed up counterclockwise and extends out of coupling socket 14 until the end of the connecting thread screwed into coupling socket 14, further screwing the hand wheel counterclockwise opens the valve.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A fire-fighting emergency well lid is characterized by comprising a lid body, a connecting hole penetrating through the upper surface and the lower surface of the lid body, a connecting seat arranged at the bottom of the lid body and a fire hydrant; the upper end opening of the connecting seat is arranged corresponding to the connecting hole, and the fire hydrant is in threaded connection with the connecting seat through the upper end opening of the connecting seat; the fire hydrant comprises a main pipeline, a water outlet arranged on the side wall of the main pipeline, a valve body arranged at the top of the main pipeline, and a fire fighting interface arranged at the water outlet, wherein the bottom of the main pipeline is provided with a water inlet, and the fire hydrant also comprises an elastic telescopic pipe arranged at the water inlet; the circular arc outer wall of lid still is provided with the anti-rotation arch with the walling crib adaptation.

2. The fire emergency well lid according to claim 1, wherein a sealing plate is further arranged on the outer wall of the main pipeline close to the top of the main pipeline, the sealing plate is matched with the connecting hole, an annular groove is further formed in the arc outer wall of the sealing plate, and a sealing ring is further arranged in the annular groove; the inner wall of the connecting hole is further provided with a limiting ring for bearing the sealing disc, and the upper surface of the sealing disc is further provided with an inner hexagonal blind hole for assisting in screwing a fire hydrant to enable the fire hydrant to ascend and descend in the connecting hole.

3. The fire emergency well lid of claim 2, wherein a filtering assembly is further arranged between the water inlet and the elastic telescopic pipe, and the filtering assembly comprises a pipe body and a filtering net, wherein two ends of the pipe body are respectively connected with the water inlet and the elastic telescopic pipe, and the filtering net is arranged inside the pipe body.

4. The fire emergency well lid of claim 1, wherein the connecting base comprises a connecting sleeve coaxially disposed with the connecting hole, a connecting thread is disposed on an inner wall of the connecting sleeve at an end far away from the cover body, and a rib plate is further disposed between the connecting sleeve and the cover body.

5. A fire emergency well lid as claimed in claim 4, wherein the connecting sleeve is further provided with an anti-seizing notch which is formed along the axial direction.

6. The fire emergency well cover according to claim 1, wherein the valve stem thread and the connection thread of the valve body are arranged in the same direction.