CN214008368U

CN214008368U - Rust-proof direct connector for fire hydrant

Info

Publication number: CN214008368U
Application number: CN202022776238.7U
Authority: CN
Inventors: 王芳
Original assignee: Anhui Yingyue Hardware Electromechanical Equipment Trading Co ltd
Current assignee: Anhui Yingyue Hardware Electromechanical Equipment Trading Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-08-20
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a fire control technical field just discloses a fire hydrant is with rust-resistant straight-through connector that loses, including the connector main part, set up screw thread on the outer wall at connector main part both ends, set up the inner channel in the inside of connector main part, set up the side opening way that is linked together with the outer wall of connector main part on the inner wall of inner channel, the middle part of connector main part is equipped with the annular connector, connector main part and the coaxial assembly of annular connector. This practicality is through setting up cyclic annular connector in the outside of connector main part to the flow of air among the cooperation hot blast blowpipe apparatus, when there is the space in the junction of connector main part, the air can flow along the space, thereby carries the outside to the junction with the water on the connector main part outer wall, plays the purpose of dry connector main part outer wall, has reached protection connector main part outer wall, reduces the effect of the condition of connector main part outer wall corrosion.

Description

Rust-proof direct connector for fire hydrant

Technical Field

The utility model relates to a fire control technical field specifically is a fire hydrant is with rust-resistant direct connector that loses.

Background

The fire extinguishing system comprises an outdoor fire hydrant system, an indoor fire hydrant system and a fire extinguisher system, and also comprises an automatic spraying system, a water cannon system, a gas fire extinguishing system, a fire detection system, a water mist system and the like, wherein the fire hydrant is mainly used for a fire truck to take water from a municipal water supply network or an outdoor fire water supply network to extinguish fire, and can also be directly connected with a water hose and a water gun to discharge water to extinguish fire, so that the indoor and outdoor fire hydrant system is also one of important fire fighting facilities for fighting fire, and the fire hydrant is called as the fire hydrant, which is a fixed fire fighting facility and mainly used for controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources.

The existing fire hydrant joint is mostly in threaded connection, threads are arranged on the outer walls of the two ends of the connector, so that the two fire fighting pipelines are connected together, but the connector is easy to rust after being used for a long time, the joint is prevented from leaking water, and the service life of the joint is shortened. In the research on the rusting condition of the joint thread, the rusting condition of the thread joint is found to be more serious than the rusting condition of other surfaces of the joint, which is caused by the reason that the joint and the fire-fighting pipeline cannot be completely sealed, so that a small amount of water is diffused along the surface of the joint through a sealing gasket at the joint, and the thread connecting section of the straight-through joint is corroded along the weight. Therefore, reducing the corrosion of the through connector is the key to prolonging the service life of the connector.

SUMMERY OF THE UTILITY MODEL

To the not enough of current through connector that provides in the background art existence in the use, this practicality provides a fire hydrant is with rust-resistant through connector that loses, possesses the advantage that reduces the corrosion condition, increase of service life, has solved the serious problem of through connector corrosion that provides in the above-mentioned background art.

The utility model provides a following technical scheme: the utility model provides a fire hydrant is with rust-resistant straight-through connector that loses, includes the connector main part, set up the screw thread on the outer wall at connector main part both ends, set up the inner channel in the inside of connector main part, set up the side opening way that is linked together with the outer wall of connector main part on the inner wall of inner channel, the middle part of connector main part is equipped with annular connector, connector main part and the coaxial assembly of annular connector, the both sides of annular connector are provided with oil storage device and hot blast blowpipe apparatus respectively.

Preferably, the annular connector is annular, annular connector and connector main part integrated into one piece, the looped pipeline has been seted up to the inside of annular connector, the quantity of looped pipeline is two and for the central longitudinal symmetry of connector main part, two from top to bottom the wind channel has been seted up between the looped pipeline, and two upper and lower looped pipelines are connected with oil duct and lower oil duct respectively and all are connected with vertical joint channel, vertical joint channel is linked together with interior passageway.

Preferably, the communicating section of the vertical connecting channel and the inner channel is in a venturi shape, the pipe orifice faces one side of the inner channel, and the inner diameter of the upper oil channel is twice of the inner diameter of the vertical connecting channel.

Preferably, the oil storage device comprises an oil tank, an oil filling hole is installed at the top of the oil tank, an oil outlet is formed in one side, close to the annular connector, of the oil tank, an oil plug is connected to the inside of the oil tank in a sliding mode, an oil pressure spring is fixedly connected to the outer wall of the oil plug, an anti-rust oil agent is filled in a space between the oil plug and the oil outlet, the oil tank is fixedly connected to the outer wall of the annular connector, and the oil outlet is communicated with the vertical connecting channel and the upper oil channel.

Preferably, air inlet unit includes bellows, the inside sliding connection of bellows has the windbox, the top fixed mounting of bellows has the check valve, fixedly connected with pull rod and wind pressure spring on the outer wall of windbox, the pull rod runs through the outside of bellows side and extension to bellows, bellows fixed connection is on the outer wall of annular connector, the inner chamber and the wind channel of bellows are linked together.

Preferably, each circular channel is connected with four vertical connecting channels, and the four vertical connecting channels are uniformly distributed along the central axis of the connector main body.

This practicality possesses following beneficial effect:

1. this practicality is through setting up cyclic annular connector in the outside of connector main part to the flow of air among the cooperation hot blast blowpipe apparatus, when there is the space in the junction of connector main part, the air can flow along the space, thereby carries the outside to the junction with the water on the connector main part outer wall, plays the purpose of dry connector main part outer wall, has reached protection connector main part outer wall, reduces the effect of the condition of connector main part outer wall corrosion.

2. This practicality is through in the rust-resistant finish that loses in with oil storage device's oil pressure spring extrudees the passageway to cyclic annular connector in with the oil tank, relies on the extrusion force of oil-out and the flow that the flow of air drove the finish for the finish can be stained with attaches on the outer wall of connector main part and forms the oil film of water proof, thereby further reduces the corrosion condition of connector main part outer wall.

3. This practicality can add the finish to in the oil storage device at any time to and can fill the air through the pulling pull rod, convenient to use, the protection time is long and simple structure, has improved the practicality of this through connector.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the connector main body of the present invention;

fig. 3 is a partial top cross-sectional view of the present invention;

fig. 4 is a schematic view of the top view structure of the connector main body of the present invention.

In the figure: 1. a connector main body; 2. an inner channel; 3. a side duct; 4. a cyclic linker; 401. a vertical connecting channel; 402. an upper oil duct; 403. a lower oil duct; 404. a circular track; 405. an air duct; 5. an oil storage device; 501. an oil tank; 502. an oil filler hole; 503. an oil outlet; 504. an oil plug; 505. an oil pressure spring; 6. an air intake device; 601. an air box; 602. a wind plug; 603. a pull rod; 604. a wind pressure spring; 605. A one-way valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Referring to fig. 1-4, an anti-corrosion straight-through connector for a fire hydrant comprises a connector main body 1, wherein outer walls of two ends of the connector main body 1 are provided with threads, two ends of the connector main body 1 in the application are sleeved inside a pipeline through the threads, sealing gaskets are generally placed at two ends of the connector main body 1 during connection, a hollow liquid flow channel is arranged in the middle of the connector main body 1, an inner channel 2 is arranged inside the connector main body 1, the inner channel 2 is positioned at the periphery of the liquid flow channel, a side hole 3 communicated with the outer wall of the connector main body 1 is arranged on the inner wall of the inner channel 2, an annular connector 4 is arranged in the middle of the connector main body 1, the connector main body 1 and the annular connector 4 are coaxially assembled, an oil storage device 5 and an air intake device 6 are respectively arranged at two sides of the annular connector 4, and anti-corrosion oil is stored in the oil storage device 5, the air intake device 6 stores air which can flow through a gap which is not completely sealed at the sealing gasket.

The annular connector 4 is annular, the annular connector 4 and the connector main body 1 are integrally formed, an annular channel 404 is formed inside the annular connector 4, the annular channel 404 is also annular, the number of the annular channels 404 is two and is vertically symmetrical relative to the center of the connector main body 1, an air channel 405 is formed between the upper annular channel 404 and the lower annular channel 404, the upper annular channel 404 and the lower annular channel 404 are respectively connected with an upper oil duct 402 and a lower oil duct 403 and are both connected with a vertical connecting channel 401, the vertical connecting channel 401 is communicated with the side hole 3, air in the air inlet device 6 passes through the air channel 405, and flows into the inner passage 2 along the annular passage 404 and the vertical connecting passage 401, the rust-preventive oil in the oil storage 5 flows into the annular passage 404 through the upper oil passage 402 and the lower oil passage 403, the air flows into the inner channel 2 under the driving of the air flow, and the air is diffused to the outer wall of the connector main body 1 along the side hole 3.

The connecting section of the vertical connecting channel 401 and the side hole 3 is in a venturi shape, and the nozzle of the vertical connecting channel 401 faces to one side of the side hole 3, the venturi-shaped vertical connecting channel 401 can improve the flow velocity of air, the air flows into the inner channel 2 at high speed, due to the smaller inner diameter of the side port channel 3, the air flow out of the inner channel 2 is better and the flow rate is small, therefore, the air flows at high speed on one hand to carry the moisture on the outer wall of the connector main body 1 out of the unsealed gap, on the other hand, the high-speed air is easy to vaporize the anti-corrosion oil, and the flow of the rust preventive oil is promoted, the inner diameter of the upper oil passage 402 is twice that of the vertical connecting passage 401, considering that the connecting head has the possibility of connection in the vertical direction, the difficulty that the anti-rust oil flows vertically upwards under the action of gravity is higher, so that the inner diameter of the upper oil duct 402 is larger, the distribution uniformity of the anti-rust oil is improved conveniently, and the upward flowing resistance of the anti-rust oil is reduced.

The oil storage device 5 comprises an oil tank 501, an oil filling hole 502 is installed at the top of the oil tank 501, an oil outlet 503 is formed in one side, close to the annular connector 4, of the oil tank 501, an oil plug 504 is connected to the inside of the oil tank 501 in a sliding mode, an oil pressure spring 505 is fixedly connected to the outer wall of the oil plug 504, an anti-rust oil agent is filled in a space between the oil plug 504 and the oil outlet 503, the oil tank 501 is fixedly connected to the outer wall of the annular connector 4, the oil outlet 503 is communicated with the vertical connecting channel 401 and the upper oil channel 402, the oil filling hole 502 is similar to an air filling hole of a basketball, anti-rust oil is filled into the oil tank 501 from the oil filling hole 502 by using a needle-shaped oil injector, and after the oil filling needle is pulled out, the oil filling hole 502 can be closed, oil is prevented from leaking out, the oil outlet 503 connects the upper oil passage 402 and the lower oil passage 403, the rust-preventive oil is delivered to the pipe inside the annular connecting body 4 through the oil outlet 503, and the rust-preventive oil in the oil tank 501 is gradually squeezed out by the pressing force of the oil pressure spring 505.

The air intake device 6 comprises an air box 601, an air plug 602 is slidably connected inside the air box 601, a check valve 605 is fixedly installed at the top of the air box 601, a pull rod 603 and an air pressure spring 604 are fixedly connected to the outer wall of the air plug 602, the pull rod 603 penetrates through the side face of the air box 601 and extends to the outside of the air box 601, the air box 601 is fixedly connected to the outer wall of the annular connecting body 4, the inner cavity of the air box 601 is communicated with the air channel 405, the pull rod 603 is pulled, air enters the air box 601 through the check valve 605 and is gradually conveyed into the air channel 405 under the extrusion force of the air pressure spring 604, after entering the air channel 405, the air respectively flows into the two annular channels 404, then flows into the inner channel 2 along the vertical connecting channel 401 and flows along the side duct 3 and clings to the outer wall of the connecting head main body 1.

In this scheme, wind channel 405, vertical connecting channel 401, the annular channel 404 is many the same, the air can flow scurries, but mainly can flow in to interior passageway 2, because can rust-resistant oil choking air among the annular channel 404, make the air flow in towards the few interior passageway 2 of finish, and drive the finish flow at the flow in-process, the finish flows out the back from side opening way 3, along the outer wall diffusion of connector main part 1, form the one deck oil film on the outer wall of connector main part 1, can be used to reduce the corrosion condition of connector main part 1.

Be connected with four vertical connecting channel 401 on every ring channel 404, four vertical connecting channel 401 are along the center pin evenly distributed of connector main part 1, vertical connecting channel 401 is linked together with four interior passageway 2, in order not to influence the rotatory effect of screw thread on the outer wall of connector main part 1, set up four interior passageway 2 in this scheme, can set up the quantity of interior passageway 2 and the aperture size and the quantity of side pore 3 according to the size of connector main part 1 in practical application, guarantee to the protection of connector main part 1 under the normal condition of connection of connector main part 1.

The utility model has the following use principle:

firstly, the upper end and the lower end of a connector main body 1 are respectively connected to the inside of a pipeline through threads in, an anti-rust oil agent is injected into the inside of an oil tank 501 through an oil filling hole 502, the anti-rust oil agent gradually extrudes the oil agent to a lower oil duct 403 and an upper oil duct 402 in an annular connector 4 through an oil outlet 503 by means of the elastic force of the oil outlet 503, the oil agent flows into an inner duct 2 through an annular duct 404 and a vertical connecting duct 401, and permeates and diffuses to the outer wall of the connector main body 1 through a side duct 3, so that a layer of oil film is formed on the outer wall of the connector main body 1, and the corrosion condition of the connector main body 1 is reduced;

secondly, the pull rod 603 is pulled outwards, air enters the inner cavity of the air box 601 through the check valve 605, flows gradually into the air duct 405 under the extrusion of the wind pressure spring 604, flows along the air duct 405, flows into the inner channel 2 through the annular channel 404 and the vertical connecting channel 401, and drives the oil agent to flow in the flowing process, the air flows from the side hole channel 3 to the outside of the connector main body 1, the permeated water is taken out of the connecting part from the air along the connecting gap, the effect of drying the outer wall of the connector main body 1 is achieved, and the oil film formed by the oil agent is matched, so that the effect of preventing the connector main body 1 from being rusted is further achieved, of course, part of the oil agent can be lost along with air and water vapor in the above process, but the fluidity of the oil agent is lower than that of the air and the water solution, and therefore, the oil agent can be better attached to the outer wall of the connector main body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire hydrant is with rust-resistant straight-through connector that loses, includes connector main part (1), set up screw thread on the outer wall at connector main part (1) both ends, its characterized in that: interior passageway (2) have been seted up in the inside of connector main part (1), set up side pore (3) that are linked together with the outer wall of connector main part (1) on the inner wall of interior passageway (2), the middle part of connector main part (1) is equipped with annular connector (4), connector main part (1) and annular connector (4) coaxial assembly, the both sides of annular connector (4) are provided with oil storage device (5) and hot blast blowpipe apparatus (6) respectively.

2. The rust-proof straight-through connector for the fire hydrant according to claim 1, wherein: annular connector (4) are cyclic annularly, annular connector (4) and connector main part (1) integrated into one piece, circular track (404) have been seted up to the inside of annular connector (4), the quantity of circular track (404) is two and for the central longitudinal symmetry of connector main part (1), two from top to bottom wind channel (405) have been seted up between circular track (404), and two upper and lower circular track (404) are connected with oil duct (402) and lower oil duct (403) respectively and all are connected with vertical connecting channel (401), vertical connecting channel (401) are linked together with interior passageway (2).

3. The rust-proof straight-through connector for the fire hydrant according to claim 2, wherein: the connecting section of the vertical connecting channel (401) and the inner channel (2) is in a venturi tube shape, the pipe orifice faces one side of the inner channel (2), and the inner diameter of the upper oil channel (402) is twice of that of the vertical connecting channel (401).

4. The rust-proof straight-through connector for the fire hydrant according to claim 2, wherein: the oil storage device (5) comprises an oil tank (501), an oil filling hole (502) is installed at the top of the oil tank (501), an oil outlet (503) is formed in one side, close to the annular connecting body (4), of the oil tank (501), an oil plug (504) is connected to the inside of the oil tank (501) in a sliding mode, an oil pressure spring (505) is fixedly connected to the outer wall of the oil plug (504), an anti-rust oil corrosion agent is filled in a space between the oil plug (504) and the oil outlet (503), the oil tank (501) is fixedly connected to the outer wall of the annular connecting body (4), and the oil outlet (503) is communicated with a vertical connecting channel (401) and an upper oil channel (402).

5. The rust-proof straight-through connector for the fire hydrant according to claim 2, wherein: air inlet unit (6) are including bellows (601), the inside sliding connection of bellows (601) has bellows stopper (602), the top fixed mounting of bellows (601) has check valve (605), fixedly connected with pull rod (603) and wind pressure spring (604) on the outer wall of bellows stopper (602), pull rod (603) run through bellows (601) side and extend to the outside of bellows (601), bellows (601) fixed connection is on the outer wall of cyclic annular connector (4), the inner chamber and wind channel (405) of bellows (601) are linked together.

6. The rust-proof straight-through connector for the fire hydrant according to claim 2, wherein: each annular channel (404) is connected with four vertical connecting channels (401), and the four vertical connecting channels (401) are uniformly distributed along the central axis of the connector main body (1).