CN114001211A - Composite fire hydrant interface - Google Patents
Composite fire hydrant interface Download PDFInfo
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- CN114001211A CN114001211A CN202111186834.2A CN202111186834A CN114001211A CN 114001211 A CN114001211 A CN 114001211A CN 202111186834 A CN202111186834 A CN 202111186834A CN 114001211 A CN114001211 A CN 114001211A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
- F16L17/025—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket the sealing rings having radially directed ribs
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- Mechanical Engineering (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
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Abstract
The invention relates to the technical field of fire-fighting appliances, in particular to a composite fire hydrant interface, which comprises a joint body, wherein the joint body is arranged at a fire hydrant water outlet; the joint body is provided with a sealing ring; a circular groove and a first annular groove are formed in the joint body; a clamping strip and a buckle are arranged in the first annular groove; the joint body is provided with a telescopic unit; according to the invention, the telescopic unit is arranged on the joint body, and the telescopic unit can push the sealing ring to be tightly attached to the fire hose joint under the action of water flow, so that the sealing performance of the fire hydrant joint is improved, the water pressure in the fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
Description
Technical Field
The invention relates to the technical field of fire-fighting appliances, in particular to a composite fire hydrant interface.
Background
The fire hydrant is called as a fire hydrant in a formal way and is a common fire-fighting equipment; the main functions are to control combustible materials, isolate combustion-supporting materials and eliminate ignition sources, and the fire-fighting device is divided into an indoor fire hydrant and an outdoor fire hydrant and is one of important fire-fighting facilities for fighting fire; the fire hydrant is mainly used for the fire fighting truck to take water from a municipal water supply network or an outdoor fire fighting water supply network to put out a fire, and can also be directly connected with a water hose and a water gun to discharge water to put out a fire.
When a fire disaster happens to urban residences, the existing fire hydrant cannot fight the fire at a higher ignition point of a floor because of lower lift, so that the fire fighting speed is slow, the fire disaster is further caused to seriously affect the life and property safety of people, and irreversible loss can be caused by one second later in the process of fighting for seconds with the fire disaster; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed.
In view of this, in order to overcome the above technical problems, the present invention provides a composite fire hydrant interface, which solves the above technical problems.
Disclosure of Invention
In order to make up the defects of the prior art, the invention provides the composite fire hydrant interface, the telescopic unit is arranged on the joint body, and the telescopic unit can push the sealing ring to be tightly attached to the joint body under the action of water flow, so that the sealing performance of the fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a composite fire hydrant interface, which comprises:
the joint body is arranged at the water outlet of the fire hydrant; the joint body is provided with a sealing ring; a circular groove and a first annular groove are formed in the joint body; a clamping strip and a buckle are arranged in the first annular groove;
the telescopic unit is installed on the joint body and connected with the sealing ring, and the telescopic unit is used for sealing the adjacent two joint bodies by the sealing ring.
Preferably, a third rectangular groove and a second annular groove are formed in the joint body; the third rectangular groove is communicated with the circular groove and is distributed in the circumferential direction in the joint body; the second annular groove is communicated with the third rectangular groove;
the telescopic unit comprises a first annular pipe, a pushing block and an annular block; one end of the first annular pipe is fixedly connected to the side wall of the circular groove, the caliber of the first annular pipe is gradually reduced along with the direction far away from the opening of the joint body, and the first annular pipe is fixedly connected with the pushing block; the annular block is connected in the second annular groove in a sliding manner, the other end of the annular block is connected with the sealing ring, and the annular block is obliquely arranged close to the end surface of one side of the pushing block; the pushing block is connected in the third rectangular groove in a sliding manner, and the side wall of the pushing block is connected with the annular block in a sliding manner; the side wall of the pushing block is provided with an opening matched with the inclined end face of the annular block.
Preferably, the telescopic unit comprises an L-shaped rotating block and a second trapezoidal sliding block; the L-shaped rotating block is arranged on the outer wall of the joint body and is hinged with the second trapezoidal sliding block through a connecting rod; the second trapezoidal sliding block penetrates through the first rectangular groove to be fixedly connected with the pushing block; the distance between the connecting rod and the joint body is smaller than the distance between the connecting rod and the side face of the L-shaped rotating block.
Preferably, one end of the first annular pipe, far away from the end fixedly connected to the circular groove, is fixedly connected with a second annular pipe; the second annular pipe and the first annular pipe are symmetrically arranged.
Preferably, a V-shaped groove is formed between the first annular pipe and the second annular pipe and between the walls of the circular grooves, and a third annular groove is formed in the end face, away from the V-shaped groove, of one side of the first annular pipe and the second annular pipe.
Preferably, the side, close to the V-shaped groove, of the first annular pipe and the second annular pipe is fixedly connected with an arc-shaped block; the rubber block is fixedly connected with the pushing block.
Preferably, one side of the V-shaped groove close to the groove wall of the circular groove is provided with an air outlet; one end of the air outlet is communicated with the V-shaped groove, and the other end of the air outlet is communicated with the outside.
Preferably, the pushing block consists of a first trapezoidal sliding block and a first rectangular block; the first trapezoidal sliding block is fixedly connected with the annular block through a first rectangular block.
Preferably, a second rectangular groove is further formed in the joint body; the second rectangular groove is communicated with the third rectangular groove, and the second rectangular groove is distributed in the connector body in the circumferential direction; the telescopic unit also comprises a third trapezoidal sliding block; no. three trapezoidal slider sliding connection be in No. two rectangular channels, No. three trapezoidal slider's one end with trapezoidal slider sliding connection.
Preferably, the outer end face of the joint body is provided with threads.
The invention has the following beneficial effects:
1. according to the invention, the telescopic unit is arranged on the joint body, and the telescopic unit can push the sealing ring to be tightly attached to the corresponding joint body under the action of water flow, so that the sealing performance of the fire hydrant interface is improved, the water pressure in the fire hydrant pipe is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
2. According to the invention, the inclined end surfaces are arranged at the openings of the annular block and the pushing block, so that the pushing block can drive the annular block to move towards the direction close to the sealing ring when moving towards the bottom of the third rectangular groove, and further the annular block can push the sealing ring to be tightly attached to the sealing ring arranged on the corresponding joint body, thereby improving the sealing effect at the fire hydrant interface.
3. According to the invention, the third annular grooves are formed in the first annular pipe and the second annular pipe, so that the area of the annular pipe impacted by water flow can be increased, the first annular pipe and the second annular pipe can be pushed by larger thrust to push the pushing block to move to the bottom of the third rectangular groove, and further, the sealing rings correspondingly arranged on the two adjacent joint bodies can be tightly attached to each other by larger thrust, so that the sealing effect of the fire hydrant interface is further improved.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the water outlet fitting of the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
in the figure: 1. a connector body; 11. a circular groove; 12. a first annular groove; 121. clamping the strip; 122. buckling; 13. a seal ring; 14. a third rectangular groove; 15. a second annular groove; 16. a second rectangular groove; 17. a V-shaped groove; 18. an air outlet; 19. a first rectangular groove; 2. a telescopic unit; 21. a first annular tube; 22. a pushing block; 221. a first trapezoidal sliding block; 222. a first rectangular block; 223. an arc-shaped block; 23. a ring block; 24. a third trapezoidal sliding block; 25. an L-shaped turning block; 26. a second trapezoidal sliding block; 27. a connecting rod; 28. a second annular tube; 29. and a third annular groove.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-4;
example 1:
the invention relates to a composite fire hydrant interface, which comprises:
the fire hydrant connector comprises a connector body 1, wherein the connector body 1 is installed at a fire hydrant water outlet; a sealing ring 13 is arranged on the joint body 1; a circular groove 11 and a first annular groove 12 are formed in the joint body 1; a clamping strip 121 and a clamping buckle 122 are arranged in the first annular groove 12;
the telescopic unit 2 is installed on the joint body 1, the telescopic unit 2 is connected with the sealing ring 13, and the telescopic unit 2 is used for sealing the two adjacent joint bodies 1 by the sealing ring 13;
when the fire hydrant works, when a city house is in a fire disaster, the existing fire hydrant has low lift and cannot fight a fire at a higher ignition point of a floor, so that the fire fighting speed is slow, the fire fighting is further caused to seriously influence the life and property safety of people, and irreversible loss can be caused by one second at night in the process of fighting for seconds with the fire; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed;
therefore, when a worker needs to use the connector to fight a fire, the connector body 1 is aligned and mounted on the corresponding connector body 1, the connector body 1 is rotated, and the buckle 122 on the connector body 1 is connected to the clamping strip 121 on the corresponding connector body 1 in a sliding and sealing manner; when a valve of the fire hydrant is opened, water enters the circular groove 11 formed in the joint body 1 from the fire hydrant and impacts the telescopic unit 2, the telescopic unit 2 pushes the sealing ring 13 to move towards one side of the corresponding joint body 1 under the impact of water flow, so that the sealing ring 13 can be tightly attached to the corresponding joint body 1, and the sealing performance at the joint of the fire hydrant is improved; after the fire point is extinguished and the fire is controlled, the fire hydrant valve is closed, the joint body 1 is rotated, the buckle 122 on the joint body 1 slides out of the clamping strip 121 on the corresponding joint body 1, the water pipe is retracted, and the fire fighting task is completed;
according to the invention, the telescopic unit 2 is arranged on the joint body 1, and the telescopic unit 2 can push the sealing ring 13 to be tightly attached to the joint body 1 under the action of water flow, so that the sealing performance of a fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
A third rectangular groove 14 and a second annular groove 15 are formed in the joint body 1; the third rectangular groove 14 is communicated with the circular groove 11, and the third rectangular groove 14 is distributed in the circumferential direction in the joint body 1; the second annular groove 15 is communicated with the third rectangular groove 14;
the telescopic unit 2 comprises a first annular pipe 21, a pushing block 22 and an annular block 23; one end of the first annular pipe 21 is fixedly connected to the side wall of the circular groove 11, the caliber of the first annular pipe 21 gradually decreases along the direction away from the opening of the joint body 1, and the first annular pipe 21 is fixedly connected with the pushing block 22; the annular block 23 is slidably connected in the second annular groove 15, the other end of the annular block 23 is connected with the sealing ring 13, and the end face of one side of the annular block 23, which is close to the pushing block 22, is obliquely arranged; the pushing block 22 is slidably connected in the third rectangular groove 14, and the side wall of the pushing block 22 is slidably connected with the annular block 23; the side wall of the pushing block 22 is provided with an opening matched with the inclined end surface of the annular block 23.
When the water flow impact device works, when water flow impacts the first annular pipe 21 in the circular groove 11, the first annular pipe 21 is pushed by the first annular pipe 21 to move towards the direction close to the groove wall of the circular groove 11, the pushing block 22 fixedly connected with the first annular pipe 21 is pushed by the third annular pipe 14 to move towards the groove bottom of the third rectangular groove 14, at the moment, the annular block 23 originally clamped in the opening of the pushing block 22 is influenced by the fact that the direction of the force can be changed by the 45-degree contact surface when the pushing block 22 moves upwards, the end surface of the annular block 23 arranged at 45 degrees slides along the opening end surface of the pushing block 22 matched with the opening end surface, so that the pushing block 22 can push the annular block 23 to move towards the direction close to the sealing ring 13, and the annular block 23 pushes the sealing ring 13 to move towards the direction close to the joint body and be attached to the joint body; when the water flow does not impact the annular pipe in the circular groove 11 any more, the first annular pipe 21 recovers to the original state, the pushing block 22 is driven to move towards the notch of the third rectangular groove 14, the annular block 23 can return to the opening formed in the pushing block 22, and the sealing ring 13 is not pushed by the annular block 23 to reset any more; the terminal surface that the annular piece 23 and the opening part that promotes piece 22 slope set up can make and promote piece 22 and drive annular piece 23 and remove to the direction that is close to sealing washer 13 when moving to No. three rectangular channel 14 tank bottoms, and then makes annular piece 23 can promote sealing washer 13 and correspond the sealing washer 13 that sets up on the joint body 1 and paste tightly to the sealed effect at fire hydrant kneck has been improved.
Example 2:
the difference compared to example 1 is that:
the telescopic unit 2 comprises an L-shaped rotating block 25 and a second trapezoidal sliding block 26; the L-shaped rotating block 25 is installed on the outer wall of the joint body 1, and the L-shaped rotating block 25 is hinged to the second trapezoidal sliding block 26 through a connecting rod 27; the second trapezoidal sliding block 26 penetrates through the first rectangular groove 19 to be fixedly connected with the pushing block 22; the distance between the connecting rod 27 and the joint body 1 is smaller than the distance between the connecting rod 27 and the side surface of the L-shaped rotating block 25;
during operation, the firefighter upwards lifts up L type turning block 25 with the hand, L type turning block 25 deflects to the one side of hand-lift, simultaneously, because No. two trapezoidal sliders 26 pass through connecting rod 27 with L type turning block 25 and articulate, and the distance of L type turning block 25's side to connecting rod 27 is greater than the distance of connecting rod 27 to the outer terminal surface of joint body 1, make No. two trapezoidal sliders 26 receive the influence rebound that L type turning block 25 drove the deflection, No. two trapezoidal sliders 26 drive with connect the interior promotion piece 22 rebound of body 1, finally, promote the piece 22 in the joint body 1 and promote the direction removal that the ring block 23 moved to being close to sealing washer 13, sealing washer 13 receives the promotion of ring block 23 and connects sealing washer 13 on the body to hug closely each other, make the sealed effect of joint body 1 and joint body obtain improving.
Example 3:
the invention relates to a composite fire hydrant interface, which comprises:
the fire hydrant connector comprises a connector body 1, wherein the connector body 1 is installed at a fire hydrant water outlet; a sealing ring 13 is arranged on the joint body 1; a circular groove 11 and a first annular groove 12 are formed in the joint body 1; a clamping strip 121 and a clamping buckle 122 are arranged in the first annular groove 12;
the telescopic unit 2 is installed on the joint body 1, the telescopic unit 2 is connected with the sealing ring 13, and the telescopic unit 2 is used for sealing the two adjacent joint bodies 1 by the sealing ring 13;
when the fire hydrant works, when a city house is in a fire disaster, the existing fire hydrant has low lift and cannot fight a fire at a higher ignition point of a floor, so that the fire fighting speed is slow, the fire fighting is further caused to seriously influence the life and property safety of people, and irreversible loss can be caused by one second at night in the process of fighting for seconds with the fire; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed;
therefore, when a worker needs to use the connector to fight a fire, the connector body 1 is aligned and mounted on the corresponding connector body 1, the connector body 1 is rotated, and the buckle 122 on the connector body 1 is connected to the clamping strip 121 on the corresponding connector body 1 in a sliding and sealing manner; when a valve of the fire hydrant is opened, water enters the circular groove 11 formed in the joint body 1 from the fire hydrant and impacts the telescopic unit 2, the telescopic unit 2 pushes the sealing ring 13 to move towards one side of the corresponding joint body 1 under the impact of water flow, so that the sealing ring 13 can be tightly attached to the corresponding joint body 1, and the sealing performance at the joint of the fire hydrant is improved; after the fire point is extinguished and the fire is controlled, the fire hydrant valve is closed, the joint body 1 is rotated, the buckle 122 on the joint body 1 slides out of the clamping strip 121 on the corresponding joint body 1, the water pipe is retracted, and the fire fighting task is completed;
according to the invention, the telescopic unit 2 is arranged on the joint body 1, and the telescopic unit 2 can push the sealing ring 13 to be tightly attached to the joint body 1 under the action of water flow, so that the sealing performance of a fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
A third rectangular groove 14 and a second annular groove 15 are formed in the joint body 1; the third rectangular groove 14 is communicated with the circular groove 11, and the third rectangular groove 14 is distributed in the circumferential direction in the joint body 1; the second annular groove 15 is communicated with the third rectangular groove 14;
the telescopic unit 2 comprises a first annular pipe 21, a pushing block 22 and an annular block 23; one end of the first annular pipe 21 is fixedly connected to the side wall of the circular groove 11, the caliber of the first annular pipe 21 gradually decreases along the direction away from the opening of the joint body 1, and the first annular pipe 21 is fixedly connected with the pushing block 22; the annular block 23 is slidably connected in the second annular groove 15, the other end of the annular block 23 is connected with the sealing ring 13, and the end face of one side of the annular block 23, which is close to the pushing block 22, is obliquely arranged; the pushing block 22 is slidably connected in the third rectangular groove 14, and the side wall of the pushing block 22 is slidably connected with the annular block 23; the side wall of the pushing block 22 is provided with an opening matched with the inclined end surface of the annular block 23;
when the water flow impact device works, when water flow impacts the first annular pipe 21 in the circular groove 11, the first annular pipe 21 is pushed by the first annular pipe 21 to move towards the direction close to the groove wall of the circular groove 11, the pushing block 22 fixedly connected with the first annular pipe 21 is pushed by the third annular pipe 14 to move towards the groove bottom of the third rectangular groove 14, at the moment, the annular block 23 originally clamped in the opening of the pushing block 22 is influenced by the fact that the direction of the force can be changed by the 45-degree contact surface when the pushing block 22 moves upwards, the end surface of the annular block 23 arranged at 45 degrees slides along the opening end surface of the pushing block 22 matched with the opening end surface, so that the pushing block 22 can push the annular block 23 to move towards the direction close to the sealing ring 13, and the annular block 23 pushes the sealing ring 13 to move towards the direction close to the joint body and be attached to the joint body; when the water flow does not impact the annular pipe in the circular groove 11 any more, the first annular pipe 21 recovers to the original state, the pushing block 22 is driven to move towards the notch of the third rectangular groove 14, the annular block 23 can return to the opening formed in the pushing block 22, and the sealing ring 13 is not pushed by the annular block 23 to reset any more; the terminal surface that the annular piece 23 and the opening part that promotes piece 22 slope set up can make and promote piece 22 and drive annular piece 23 and remove to the direction that is close to sealing washer 13 when moving to No. three rectangular channel 14 tank bottoms, and then makes annular piece 23 can promote sealing washer 13 and correspond the sealing washer 13 that sets up on the joint body 1 and paste tightly to the sealed effect at fire hydrant kneck has been improved.
One end of the first annular pipe 21, far away from the circular groove 11, is fixedly connected with a second annular pipe 28; the second annular pipe 28 and the first annular pipe 21 are symmetrically arranged;
when the connector works, when water flow impacts the first annular pipe 21 on the connector body 1, the water flow directly impacts the first annular pipe 21 and the area of the side wall of the circular groove 11 due to nothing blocking, so that the first annular pipe 21 cannot push the pushing block 22; have linked firmly No. two ring pipes 28 that set up with it symmetry through the one end at a ring pipe 21 for rivers can strike the ring pipe 21 in the joint body 1 simultaneously and correspond No. two ring pipes 28 that set up in the joint body 1, prevent to correspond the condition that the water current can not strike No. two ring pipes 28 and lead to telescopic unit 2 inefficacy in the joint body 1, and simultaneously, joint body 1 and the telescopic unit 2 synchronous motion in the corresponding joint body 1, make the sealing washer 13 that sets up on the joint body 1 and correspond the sealing washer 13 that sets up on the joint body 1 and paste tightly each other, the sealed effect of fire hydrant kneck has further been improved.
A V-shaped groove 17 is formed between the first annular pipe 21 and the second annular pipe 28 and the groove wall of the circular groove 11, and a third annular groove 29 is formed in the end surface of one side, far away from the V-shaped groove 17, of each of the first annular pipe 21 and the second annular pipe 28;
the during operation, when rivers strike annular pipe 21 and No. two annular pipes 28, No. three ring channels 29 that set up on annular pipe 21 and No. two annular pipes 28 can increase the area when rivers strike annular pipe 21 and No. two annular pipes 28, make annular pipe 21 and No. two annular pipes 28 can receive bigger thrust and promote the piece 22 and remove to No. three rectangular channel 14 tank bottoms, and then make the sealing washer that corresponds the setting on two adjacent joint bodies, can receive bigger thrust and hug closely mutually, thereby make the sealed effect of fire hydrant interface obtain further improvement.
The side, close to the V-shaped groove 17, of the first annular pipe 21 and the second annular pipe 28 is fixedly connected with an arc-shaped block 223; the arc block 223 is fixedly connected with the pushing block 22;
when the fire hydrant connector works, when water flow impacts the first annular pipe 21 and the second annular pipe 28 to move towards the interior of the V-shaped groove 17, the contact surface of the arc-shaped block 223 and the pushing block 22 is set to be an arc surface, so that the contact area of the pushing block 22 and the first annular pipe 21 and the second annular pipe 28 is increased, the thrust force applied when the first annular pipe 21 and the second annular pipe 28 push the pushing block 22 through the arc-shaped block 223 is further improved, the thrust force of the sealing ring 13 is finally increased, and the sealing ring 13 is tightly attached to each other to improve the sealing effect of the fire hydrant connector;
example 4:
the invention relates to a composite fire hydrant interface, which comprises:
the fire hydrant connector comprises a connector body 1, wherein the connector body 1 is installed at a fire hydrant water outlet; a sealing ring 13 is arranged on the joint body 1; a circular groove 11 and a first annular groove 12 are formed in the joint body 1; a clamping strip 121 and a clamping buckle 122 are arranged in the first annular groove 12;
the telescopic unit 2 is installed on the joint body 1, the telescopic unit 2 is connected with the sealing ring 13, and the telescopic unit 2 is used for sealing the two adjacent joint bodies 1 by the sealing ring 13;
when the fire hydrant works, when a city house is in a fire disaster, the existing fire hydrant has low lift and cannot fight a fire at a higher ignition point of a floor, so that the fire fighting speed is slow, the fire fighting is further caused to seriously influence the life and property safety of people, and irreversible loss can be caused by one second at night in the process of fighting for seconds with the fire; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed;
therefore, when a worker needs to use the connector to fight a fire, the connector body 1 is aligned and mounted on the corresponding connector body 1, the connector body 1 is rotated, and the buckle 122 on the connector body 1 is connected to the clamping strip 121 on the corresponding connector body 1 in a sliding and sealing manner; when a valve of the fire hydrant is opened, water enters the circular groove 11 formed in the joint body 1 from the fire hydrant and impacts the telescopic unit 2, the telescopic unit 2 pushes the sealing ring 13 to move towards one side of the corresponding joint body 1 under the impact of water flow, so that the sealing ring 13 can be tightly attached to the corresponding joint body 1, and the sealing performance at the joint of the fire hydrant is improved; after the fire point is extinguished and the fire is controlled, the fire hydrant valve is closed, the joint body 1 is rotated, the buckle 122 on the joint body 1 slides out of the clamping strip 121 on the corresponding joint body 1, the water pipe is retracted, and the fire fighting task is completed;
according to the invention, the telescopic unit 2 is arranged on the joint body 1, and the telescopic unit 2 can push the sealing ring 13 to be tightly attached to the joint body 1 under the action of water flow, so that the sealing performance of a fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
A third rectangular groove 14 and a second annular groove 15 are formed in the joint body 1; the third rectangular groove 14 is communicated with the circular groove 11, and the third rectangular groove 14 is distributed in the circumferential direction in the joint body 1; the second annular groove 15 is communicated with the third rectangular groove 14;
the telescopic unit 2 comprises a first annular pipe 21, a pushing block 22 and an annular block 23; one end of the first annular pipe 21 is fixedly connected to the side wall of the circular groove 11, the caliber of the first annular pipe 21 gradually decreases along the direction away from the opening of the joint body 1, and the first annular pipe 21 is fixedly connected with the pushing block 22; the annular block 23 is slidably connected in the second annular groove 15, the other end of the annular block 23 is connected with the sealing ring 13, and the end face of one side of the annular block 23, which is close to the pushing block 22, is obliquely arranged; the pushing block 22 is slidably connected in the third rectangular groove 14, and the side wall of the pushing block 22 is slidably connected with the annular block 23; the side wall of the pushing block 22 is provided with an opening matched with the inclined end surface of the annular block 23;
when the water flow impact device works, when water flow impacts the first annular pipe 21 in the circular groove 11, the first annular pipe 21 is pushed by the first annular pipe 21 to move towards the direction close to the groove wall of the circular groove 11, the pushing block 22 fixedly connected with the first annular pipe 21 is pushed by the third annular pipe 14 to move towards the groove bottom of the third rectangular groove 14, at the moment, the annular block 23 originally clamped in the opening of the pushing block 22 is influenced by the fact that the direction of the force can be changed by the 45-degree contact surface when the pushing block 22 moves upwards, the end surface of the annular block 23 arranged at 45 degrees slides along the opening end surface of the pushing block 22 matched with the opening end surface, so that the pushing block 22 can push the annular block 23 to move towards the direction close to the sealing ring 13, and the annular block 23 pushes the sealing ring 13 to move towards the direction close to the joint body and be attached to the joint body; when the water flow does not impact the annular pipe in the circular groove 11 any more, the first annular pipe 21 recovers to the original state, the pushing block 22 is driven to move towards the notch of the third rectangular groove 14, the annular block 23 can return to the opening formed in the pushing block 22, and the sealing ring 13 is not pushed by the annular block 23 to reset any more; the terminal surface that the annular piece 23 and the opening part that promotes piece 22 slope set up can make and promote piece 22 and drive annular piece 23 and remove to the direction that is close to sealing washer 13 when moving to No. three rectangular channel 14 tank bottoms, and then makes annular piece 23 can promote sealing washer 13 and correspond the sealing washer 13 that sets up on the joint body 1 and paste tightly to the sealed effect at fire hydrant kneck has been improved.
One side of the V-shaped groove 17 close to the groove wall of the circular groove 11 is provided with an air outlet 18; one end of the air outlet hole 18 is communicated with the V-shaped groove 17, and the other end of the air outlet hole is communicated with the outside;
when the water flow impact device works, when water flow impacts the first annular pipe 21 and the second annular pipe 28, the air outlet hole 18 communicated with the outside drives the pushing block 22 to move towards the bottom of the third rectangular groove 14, negative pressure generated by the V-shaped groove 17 can be reduced, resistance when the annular pipes push the pushing block 22 is reduced, and stability of the telescopic unit 2 in operation is improved.
Example 5:
the difference compared to example 4 is that:
the pushing block 22 consists of a first trapezoidal sliding block 221 and a first rectangular block 222; the first trapezoidal sliding block 221 is fixedly connected with the annular block 23 through a first rectangular block 222;
during operation, when rivers strike annular pipe 21 and No. two annular pipes 28, because the cross-section of a rectangular block 222 is less than trapezoidal slider 221 No. one, the air in V type groove 17 can directly get into No. three rectangular channels 29 and contact with trapezoidal slider 221 No. one, when rivers strike annular pipe 21 and No. two annular pipes 28 and move to V type groove 17, the air in V type groove 17 can promote trapezoidal slider 221 and remove to No. three rectangular channels 14 tank bottoms, the thrust that promotes piece 22 and received has been increased, and then drive annular block 23 and promote the removal of being close to each other of sealing washer 13, final further improvement fire hydrant's sealed effect.
Example 6:
the invention relates to a composite fire hydrant interface, which comprises:
the fire hydrant connector comprises a connector body 1, wherein the connector body 1 is installed at a fire hydrant water outlet; a sealing ring 13 is arranged on the joint body 1; a circular groove 11 and a first annular groove 12 are formed in the joint body 1; a clamping strip 121 and a clamping buckle 122 are arranged in the first annular groove 12;
the telescopic unit 2 is installed on the joint body 1, the telescopic unit 2 is connected with the sealing ring 13, and the telescopic unit 2 is used for sealing the two adjacent joint bodies 1 by the sealing ring 13;
when the fire hydrant works, when a city house is in a fire disaster, the existing fire hydrant has low lift and cannot fight a fire at a higher ignition point of a floor, so that the fire fighting speed is slow, the fire fighting is further caused to seriously influence the life and property safety of people, and irreversible loss can be caused by one second at night in the process of fighting for seconds with the fire; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed;
therefore, when a worker needs to use the connector to fight a fire, the connector body 1 is aligned and mounted on the corresponding connector body 1, the connector body 1 is rotated, and the buckle 122 on the connector body 1 is connected to the clamping strip 121 on the corresponding connector body 1 in a sliding and sealing manner; when a valve of the fire hydrant is opened, water enters the circular groove 11 formed in the joint body 1 from the fire hydrant and impacts the telescopic unit 2, the telescopic unit 2 pushes the sealing ring 13 to move towards one side of the corresponding joint body 1 under the impact of water flow, so that the sealing ring 13 can be tightly attached to the corresponding joint body 1, and the sealing performance at the joint of the fire hydrant is improved; after the fire point is extinguished and the fire is controlled, the fire hydrant valve is closed, the joint body 1 is rotated, the buckle 122 on the joint body 1 slides out of the clamping strip 121 on the corresponding joint body 1, the water pipe is retracted, and the fire fighting task is completed;
according to the invention, the telescopic unit 2 is arranged on the joint body 1, and the telescopic unit 2 can push the sealing ring 13 to be tightly attached to the joint body 1 under the action of water flow, so that the sealing performance of a fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
A third rectangular groove 14 and a second annular groove 15 are formed in the joint body 1; the third rectangular groove 14 is communicated with the circular groove 11, and the third rectangular groove 14 is distributed in the circumferential direction in the joint body 1; the second annular groove 15 is communicated with the third rectangular groove 14;
the telescopic unit 2 comprises a first annular pipe 21, a pushing block 22 and an annular block 23; one end of the first annular pipe 21 is fixedly connected to the side wall of the circular groove 11, the caliber of the first annular pipe 21 gradually decreases along the direction away from the opening of the joint body 1, and the first annular pipe 21 is fixedly connected with the pushing block 22; the annular block 23 is slidably connected in the second annular groove 15, the other end of the annular block 23 is connected with the sealing ring 13, and the end face of one side of the annular block 23, which is close to the pushing block 22, is obliquely arranged; the pushing block 22 is slidably connected in the third rectangular groove 14, and the side wall of the pushing block 22 is slidably connected with the annular block 23; the side wall of the pushing block 22 is provided with an opening matched with the inclined end surface of the annular block 23;
when the water flow impact device works, when water flow impacts the first annular pipe 21 in the circular groove 11, the first annular pipe 21 is pushed by the first annular pipe 21 to move towards the direction close to the groove wall of the circular groove 11, the pushing block 22 fixedly connected with the first annular pipe 21 is pushed by the third annular pipe 14 to move towards the groove bottom of the third rectangular groove 14, at the moment, the annular block 23 originally clamped in the opening of the pushing block 22 is influenced by the fact that the direction of the force can be changed by the 45-degree contact surface when the pushing block 22 moves upwards, the end surface of the annular block 23 arranged at 45 degrees slides along the opening end surface of the pushing block 22 matched with the opening end surface, so that the pushing block 22 can push the annular block 23 to move towards the direction close to the sealing ring 13, and the annular block 23 pushes the sealing ring 13 to move towards the direction close to the joint body and be attached to the joint body; when the water flow does not impact the annular pipe in the circular groove 11 any more, the first annular pipe 21 recovers to the original state, the pushing block 22 is driven to move towards the notch of the third rectangular groove 14, the annular block 23 can return to the opening formed in the pushing block 22, and the sealing ring 13 is not pushed by the annular block 23 to reset any more; the terminal surface that the annular piece 23 and the opening part that promotes piece 22 slope set up can make and promote piece 22 and drive annular piece 23 and remove to the direction that is close to sealing washer 13 when moving to No. three rectangular channel 14 tank bottoms, and then makes annular piece 23 can promote sealing washer 13 and correspond the sealing washer 13 that sets up on the joint body 1 and paste tightly to the sealed effect at fire hydrant kneck has been improved.
A second rectangular groove 16 is also formed in the joint body 1; the second rectangular groove 16 is communicated with the third rectangular groove 14, and the second rectangular groove 16 is distributed in the circumferential direction of the joint body 1; the telescopic unit 2 further comprises a third trapezoidal sliding block 24; the third trapezoidal sliding block 24 is connected in the second rectangular groove 16 in a sliding manner, and one end of the third trapezoidal sliding block 24 is connected with the first trapezoidal sliding block 221 in a sliding manner;
when the connector is in work, the connector body 1 is rotated, so that the buckle 122 of the connector body 1 slides on the clamping strip 121 on the corresponding connector body 1, and when the buckle 122 on the connector body 1 rotates to the locking position on the clamping strip 121, the third trapezoidal sliding block 24 on the connector body 1 is synchronously aligned with the second rectangular groove 16 on the corresponding connector body 1; open the fire hydrant water valve, flexible unit 2 atress begins the motion, when promotion piece 22 in flexible unit 2 received the promotion of a ring pipe 21 and No. two ring pipes 28 and moved to No. three rectangular channel 14 tank bottoms, with the motion mode the same of above-mentioned trapezoidal slider 221 and ring piece 23, trapezoidal slider 221 can promote No. three trapezoidal slider 24 and remove to No. two rectangular channels 16, make a trapezoidal slider 221 can promote ring piece 23 and No. three trapezoidal slider 24 simultaneously, make joint body 1 inseparabler with being connected of water connectors, further improved the sealed effect and the intensity of fire hydrant interface, prevent the water hammer effect.
Example 7:
the invention relates to a composite fire hydrant interface, which comprises:
the fire hydrant connector comprises a connector body 1, wherein the connector body 1 is installed at a fire hydrant water outlet; a sealing ring 13 is arranged on the joint body 1; a circular groove 11 and a first annular groove 12 are formed in the joint body 1; a clamping strip 121 and a clamping buckle 122 are arranged in the first annular groove 12;
the telescopic unit 2 is installed on the joint body 1, the telescopic unit 2 is connected with the sealing ring 13, and the telescopic unit 2 is used for sealing the two adjacent joint bodies 1 by the sealing ring 13;
when the fire hydrant works, when a city house is in a fire disaster, the existing fire hydrant has low lift and cannot fight a fire at a higher ignition point of a floor, so that the fire fighting speed is slow, the fire fighting is further caused to seriously influence the life and property safety of people, and irreversible loss can be caused by one second at night in the process of fighting for seconds with the fire; in order to enable the ground fire-fighting water pipe to extinguish a fire source at a high position, the aerial ladder needs to be carried on the site and then is sprayed, and when the water spraying is higher, the water pressure in the pipe is higher, so that higher requirements on the sealing performance and the strength of a fire hydrant interface are provided; therefore, a composite fire hydrant interface with good sealing performance and high interface strength is needed;
therefore, when a worker needs to use the connector to fight a fire, the connector body 1 is aligned and mounted on the corresponding connector body 1, the connector body 1 is rotated, and the buckle 122 on the connector body 1 is connected to the clamping strip 121 on the corresponding connector body 1 in a sliding and sealing manner; when a valve of the fire hydrant is opened, water enters the circular groove 11 formed in the joint body 1 from the fire hydrant and impacts the telescopic unit 2, the telescopic unit 2 pushes the sealing ring 13 to move towards one side of the corresponding joint body 1 under the impact of water flow, so that the sealing ring 13 can be tightly attached to the corresponding joint body 1, and the sealing performance at the joint of the fire hydrant is improved; after the fire point is extinguished and the fire is controlled, the fire hydrant valve is closed, the joint body 1 is rotated, the buckle 122 on the joint body 1 slides out of the clamping strip 121 on the corresponding joint body 1, the water pipe is retracted, and the fire fighting task is completed;
according to the invention, the telescopic unit 2 is arranged on the joint body 1, and the telescopic unit 2 can push the sealing ring 13 to be tightly attached to the joint body 1 under the action of water flow, so that the sealing performance of a fire hydrant interface is improved, the water pressure in a fire hose is further improved, and the pressure relief condition caused by poor sealing performance is prevented; the increase of water pressure in the water hose makes the high increase of fire-fighting lance water spray, and the fireman can put out a fire to the high-rise building ignition point, and furthest reduces because the higher rescue degree of difficulty of ignition point causes the loss greatly, ensures resident's life and property safety.
The outer end face of the joint body 1 is provided with threads;
when the connector works, the caliber of the connector body 1 is equivalent to that of a common fire hose, so that the connector body 1 can be connected with the fire hose, and the threads arranged on the outer end surface of the connector body 1 can also be connected with a water suction pipe of a fire engine, so that the connector body 1 can be connected with two different types of water pipes, the applicability of the connector body 1 is improved, and the application range of the connector is wider.
And (3) experimental verification:
1. purpose of the experiment:
the effect of the telescopic unit of the invention relative to the prior art under the action of water flow impact is verified;
2. an experimental instrument:
a fire hydrant;
a pressure gauge;
a water flow velocimeter;
fire hose-used to interface fire hose couplings of the present invention and the prior art;
the fire engine suction pipe is used for butt joint of the fire engine suction pipe joint in the invention and the prior art;
the invention relates to a composite fire hydrant interface.
3. The experimental process comprises the following steps:
3.1 the worker sequentially connects the fire hose with the fire hose joint in the prior art, connects the other fire hose with the composite fire hydrant interface, installs the pressure gauge with the two fire hoses respectively to test the water pressure, opens the fire hydrant water valve, sets the fire gun to spray the same water column height, observes the pressure value of the pressure gauge on the fire hose connected in the prior art and the fire hose connected in the invention;
3.2 the worker connects the water suction pipe of the fire engine with the water suction pipe joint of the fire engine in the technology in sequence, connects the water suction pipe of the other fire engine with the composite fire hydrant interface of the invention, installs the pressure gauge with two fire hoses respectively to test the water pressure, opens the water valve of the fire hydrant, sets the fire gun to spray the same water column height, observes the pressure value on the pressure gauge on the water suction pipe of the fire engine connected with the prior art and the water suction pipe of the fire engine connected with the invention;
4. the experimental results are as follows:
the following is the data collated by the staff of the invention:
4.1
experimental group 1-Table 1 fire hose and the composite fire hydrant interface of the invention are connected and sprayed for 1 minute for testing;
TABLE 1
The fire hoses in the reference group 1-table 2 are connected with the fire hydrant interface in the prior art and are used for spraying water for 1 minute for testing;
TABLE 2
And (3) analysis:
it can be seen from the experimental group 1 and the control group 1 that, through comparison of 5 times of experimental data, the pressure value and the water outlet speed of the test of spraying water for 1 minute when the fire hose is connected with the composite fire hydrant interface of the invention are obviously higher than the pressure value of the test of spraying water for 1 minute when the fire hose is connected with the fire hydrant interface in the prior art, so that the water leakage amount of the test of spraying water for 1 minute when the fire hose is connected with the composite fire hydrant interface of the invention is obviously lower than the water leakage amount of the test of spraying water for 1 minute when the fire hose is connected with the fire hydrant interface in the prior art.
4.2
Experiment group 2-table 3 fire engine suction pipe and the composite fire hydrant interface of the invention are connected and sprayed water for 1 minute for testing;
TABLE 3
The water suction pipe of the fire engine in the comparison group 2-table 4 is connected with the fire hydrant interface in the prior art to spray water for 1 minute for testing;
TABLE 4
And (3) analysis: it can be seen from the experimental group 1 and the control group 1 that, through comparison of 5 times of experimental data, the pressure value and the water outlet speed of the water spray test for 1 minute when the water suction pipe of the fire engine is connected with the composite fire hydrant interface of the invention are obviously higher than the pressure value of the water spray test for 1 minute when the water suction pipe of the fire engine is connected with the fire hydrant interface of the prior art, so that the water leakage amount of the water spray test for 1 minute when the water suction pipe of the fire engine is connected with the composite fire hydrant interface of the invention is obviously lower than the water leakage amount of the water spray test for 1 minute when the water suction pipe of the fire engine is connected with the fire hydrant interface of the prior art.
5. Summary of the test:
compared with the test in the prior art, the composite fire hydrant interface of the invention has obviously higher pressure value and water outlet speed when being connected with the fire hose and the fire engine water suction pipe than the pressure value and the water outlet speed of the test in the connection of the fire hydrant interface and the fire hose and the fire engine water suction pipe in the prior art, which shows that the sealing performance of the composite fire hydrant interface of the invention is higher than the sealing performance of the connection of the fire hydrant interface and the fire hose and the fire engine water suction pipe in the prior art, and just because of the reason, the composite fire hydrant interface of the invention has obviously higher water leakage rate than the water leakage rate of the test in the connection of the fire hydrant interface and the fire hose and the fire engine water suction pipe in the prior art when being connected with the fire hose and the fire engine water suction pipe, so the composite fire hydrant interface of the invention can have higher water outlet speed and less water leakage rate than the water leakage rate when the fire hydrant interface of the prior art opens the water valve, meanwhile, compared with the prior art, the fire-fighting water-saving device can more fully utilize water resources, and on the other hand, saves water resources, so that the fire-fighting water-saving device can furthest reduce the loss caused by high rescue difficulty at a fire point and ensure the life and property safety of residents when the fire-fighting water-saving device is used for dealing with the condition that high-rise fire occurs.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The invention relates to a composite fire hydrant interface, which is characterized by comprising:
the joint body (1), the joint body (1) is installed at a fire hydrant water outlet; a sealing ring (13) is arranged on the joint body (1); a circular groove (11) and a first annular groove (12) are formed in the joint body (1); a clamping strip (121) and a buckle (122) are arranged in the first annular groove (12);
the telescopic unit (2) is installed on the joint body (1), the telescopic unit (2) is connected with the sealing ring (13), and the telescopic unit (2) is used for sealing the adjacent two joint bodies (1) by the sealing ring (13).
2. A compound fire hydrant interface according to claim 1, wherein: a third rectangular groove (14) and a second annular groove (15) are formed in the joint body (1); the third rectangular groove (14) is communicated with the circular groove (11), and the third rectangular groove (14) is distributed in the circumferential direction in the joint body (1); the second annular groove (15) is communicated with the third rectangular groove (14);
the telescopic unit (2) comprises a first annular pipe (21), a pushing block (22) and an annular block (23); one end of the first annular pipe (21) is fixedly connected to the side wall of the circular groove (11), the caliber of the first annular pipe (21) is gradually reduced along the direction far away from the opening of the joint body (1), and the first annular pipe (21) is fixedly connected with the pushing block (22); the annular block (23) is connected in the second annular groove (15) in a sliding manner, one end of the annular block (23) is connected with the sealing ring (13), and the end face of one side, close to the pushing block (22), of the annular block (23) is obliquely arranged; the pushing block (22) is connected in the third rectangular groove (14) in a sliding manner, and the annular block (23) is connected on the side wall of the pushing block (22) in a sliding manner; the side wall of the pushing block (22) is provided with an opening matched with the inclined end face of the annular block (23).
3. A compound fire hydrant interface according to claim 1, wherein: the telescopic unit (2) comprises an L-shaped rotating block (25) and a second trapezoidal sliding block (26); the L-shaped rotating block (25) is installed on the outer wall of the joint body (1), and the L-shaped rotating block (25) is hinged to the second trapezoidal sliding block (26) through a connecting rod (27); the second trapezoidal sliding block (26) penetrates through the first rectangular groove (19) and is fixedly connected with the pushing block (22); the distance between the connecting rod (27) and the joint body (1) is smaller than the distance between the connecting rod (27) and the side face of the L-shaped rotating block (25).
4. A compound fire hydrant interface according to claim 2, wherein: one end of the first annular pipe (21), which is far away from the circular groove (11), is fixedly connected with a second annular pipe (28); the second annular pipe (28) and the first annular pipe (21) are symmetrically arranged.
5. A compound fire hydrant interface according to claim 4, wherein: annular pipe (21) with No. two annular pipe (28) with form V type groove (17) between circular slot (11) the cell wall, annular pipe (21) with No. two annular pipe (28) are kept away from No. three ring channel (29) have all been seted up to a side end face of V type groove (17).
6. A compound fire hydrant interface according to claim 5, wherein: one sides of the first annular pipe (21) and the second annular pipe (28) close to the V-shaped groove (17) are fixedly connected with arc-shaped blocks (223); the arc-shaped block (223) is fixedly connected with the pushing block (22).
7. A compound fire hydrant interface according to claim 2, wherein: an air outlet hole (18) is formed in one side, close to the wall of the circular groove (11), of the V-shaped groove (17); one end of the air outlet hole (18) is communicated with the V-shaped groove (17), and the other end of the air outlet hole is communicated with the outside.
8. A compound fire hydrant interface according to claim 2, wherein: the pushing block (22) consists of a first trapezoidal sliding block (221) and a first rectangular block (222); the first trapezoidal sliding block (221) is fixedly connected with the annular block (23) through a first rectangular block (222).
9. A compound fire hydrant interface according to claim 2, wherein: a second rectangular groove (16) is formed in the joint body (1); the second rectangular groove (16) is communicated with the third rectangular groove (14), and the second rectangular groove (16) is distributed in the circumferential direction in the joint body (1); the telescopic unit (2) also comprises a third trapezoidal sliding block (24); no. three trapezoidal slider (24) sliding connection No. two rectangular channel (16) in, No. three one end of trapezoidal slider (24) with trapezoidal slider (221) sliding connection.
10. A compound fire hydrant interface according to claim 1, wherein: the outer end face of the joint body (1) is provided with threads.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186834.2A CN114001211B (en) | 2021-10-12 | 2021-10-12 | Composite fire hydrant joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111186834.2A CN114001211B (en) | 2021-10-12 | 2021-10-12 | Composite fire hydrant joint |
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| CN114001211A true CN114001211A (en) | 2022-02-01 |
| CN114001211B CN114001211B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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|---|---|---|---|---|
| GB803487A (en) * | 1956-02-03 | 1958-10-29 | Finch & Company Ltd B | Improvements in or relating to pipe couplings |
| CH604069A5 (en) * | 1976-11-02 | 1978-08-31 | Lera Holding Sa | Manual pipe coupling with caps on sleeve ends |
| CN109099246A (en) * | 2018-09-30 | 2018-12-28 | 上海松芝酷能汽车技术有限公司 | A kind of quick coupling |
| CN210716469U (en) * | 2019-10-14 | 2020-06-09 | 浙江华龙巨水科技股份有限公司 | Quick connector |
| CN211083228U (en) * | 2019-12-13 | 2020-07-24 | 无锡市灵荣植保机械有限公司 | High-wear-resistance aluminum joint |
| CN211398918U (en) * | 2019-12-18 | 2020-09-01 | 阳光能源（青海）有限公司 | Single crystal growing furnace waste heat recovery connecting device |
-
2021
- 2021-10-12 CN CN202111186834.2A patent/CN114001211B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB803487A (en) * | 1956-02-03 | 1958-10-29 | Finch & Company Ltd B | Improvements in or relating to pipe couplings |
| CH604069A5 (en) * | 1976-11-02 | 1978-08-31 | Lera Holding Sa | Manual pipe coupling with caps on sleeve ends |
| CN109099246A (en) * | 2018-09-30 | 2018-12-28 | 上海松芝酷能汽车技术有限公司 | A kind of quick coupling |
| CN210716469U (en) * | 2019-10-14 | 2020-06-09 | 浙江华龙巨水科技股份有限公司 | Quick connector |
| CN211083228U (en) * | 2019-12-13 | 2020-07-24 | 无锡市灵荣植保机械有限公司 | High-wear-resistance aluminum joint |
| CN211398918U (en) * | 2019-12-18 | 2020-09-01 | 阳光能源（青海）有限公司 | Single crystal growing furnace waste heat recovery connecting device |
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|---|---|
| CN114001211B (en) | 2023-08-29 |
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