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CN-121993677-A - Quick-operation joint and anticreep device of fire hose

CN121993677ACN 121993677 ACN121993677 ACN 121993677ACN-121993677-A

Abstract

The invention discloses a quick connector and an anti-drop device of a fire hose, and belongs to the field of fire-fighting appliances. The quick connector and the anti-drop device of the fire hose comprise a water pipe connector and a spray head, wherein a first perforated block is connected inside the water pipe connector in a sliding mode, a first spring is fixedly connected between the rear surface of the first perforated block and the right side inside the water pipe connector, a first wedge-shaped sealing head is fixedly connected to the front end of the first perforated block, emergency response efficiency of fire-fighting operation can be greatly improved, hidden danger of water leakage is effectively avoided, and smooth development of fire-fighting operation is guaranteed. In the fire emergency scene, time is life, traditional joint connection often needs tedious operation, consumes valuable emergency time, and the device realizes the quick alignment clamping of joint and nozzle through optimizing structural design.

Inventors

  • WANG CHEN

Assignees

  • 王晨

Dates

Publication Date
20260508
Application Date
20260403

Claims (9)

  1. 1. A quick connector and anti-drop device of a fire hose comprises a water pipe connector (1) and a spray head (2) and is characterized in that a first perforated block (3) is connected to the inside of the water pipe connector (1) in a sliding mode, a first spring (4) is fixedly connected between the rear surface of the first perforated block (3) and the right side of the inside of the water pipe connector (1), a first wedge-shaped sealing head (5) is fixedly connected to the front end of the first perforated block (3), rolling grooves (6) are symmetrically formed in the inner side wall of the spray head (2), rolling balls (7) are connected to the inside of the rolling grooves (6) in a rolling mode, a soft clamping ring (8) is fixedly connected to the outer side wall of the water pipe connector (1), a second perforated block (9) is connected to the inside of the spray head (2) in a sliding mode, a second spring (10) is fixedly connected between the front end of the second perforated block (9) and the front surface of the inside of the spray head (2), and a second wedge-shaped sealing head (11) is fixedly connected to the rear end of the second perforated block (9).
  2. 2. The quick connector and anti-drop device of the fire hose according to claim 1, wherein the water pipe connector (1) and the spray head (2) can be connected in a clamping way, and the soft clamping ring (8) can be connected in a clamping way with the rolling ball (7).
  3. 3. The quick connector and anti-drop device of the fire hose according to claim 1, wherein a chute (12) is formed in the outer side wall of the spray head (2), a limiting sliding shell (13) is connected to the outer side wall of the chute (12) in a sliding mode, a limiting ring (14) is fixedly connected to the inner side wall of the limiting sliding shell (13), the limiting ring (14) is in contact with the outer side wall of the ball (7), and a spring III (15) is arranged in the limiting sliding shell (13) in a winding mode.
  4. 4. The quick connector and anti-drop device of the fire hose according to claim 1, wherein the outer side wall of the water hose connector (1) is fixedly connected with a support ring (16), the inside of the support ring (16) is fixedly connected with a belt Kong Kajuan (17), the belt Kong Kajuan (17) can be in contact with the right side of the outer side wall of the water hose connector (1), the inner side wall of the support ring (16) is provided with a slide hole (18), the slide hole (18) and the inside of the adjacent belt Kong Kajuan (17) are both in sliding connection with a slide column (19), and the front end of the slide column (19) is provided with an arc-shaped groove (20).
  5. 5. The quick connector and anti-drop device for the fire hose according to claim 4, wherein the end part of the sliding column (19) is far away from one end of the arc-shaped groove (20) and extends to the outer side wall of the supporting ring (16), the outer side wall of the sliding column (19) is fixedly connected with a supporting ring (21), and springs (22) are arranged on the outer side walls of the supporting ring (21) and the supporting ring (16) in a winding mode.
  6. 6. The quick connector and anti-drop device of a fire hose according to claim 5, wherein the outer side walls of the sliding columns (19) are provided with inclined grooves (23), the right sides of the supporting rings (16) are provided with a circle of extending grooves (24), the inside of each extending groove (24) is slidably connected with an extrusion rod (25), the extrusion rods (25) extend to the inside of the adjacent inclined grooves (23), and the right ends of the extrusion rods (25) are fixedly connected with unlocking rings (26) together.
  7. 7. The quick connector and anti-drop device of the fire hose according to claim 3, wherein a plurality of fixing holes (27) are formed in front of the inner side wall of the limiting sliding shell (13), and the sliding columns (19) can be connected with the inner sides of the fixing holes (27) in a clamping mode.
  8. 8. The quick connector and anti-drop device of the fire hose, as claimed in claim 1, is characterized in that sealing rings (28) are fixedly connected to the outer side walls of the first wedge-shaped sealing head (5) and the second wedge-shaped sealing head (11).
  9. 9. The quick connector and anti-drop device of the fire hose according to claim 3, wherein anti-slip lines (29) are arranged on the outer side walls of the limiting sliding shells (13).

Description

Quick-operation joint and anticreep device of fire hose Technical Field The invention relates to the field of fire-fighting appliances, in particular to a quick connector and an anti-drop device of a fire-fighting water belt. Background The fire-fighting operation is used as a core link of emergency disposal, the response efficiency and the operation safety are directly related to life and property safety, and the fire-fighting water hose connector is used as a key component for connecting a water hose and a spray head, so that the fire-fighting operation is an important foundation for ensuring smooth development. At present, the wide-ranging water hose connector in the fire-fighting field adopts structures such as traditional threaded connection and clamp connection, and although basic connection function can be realized, a plurality of technical defects which are difficult to solve exist in actual emergency scenes, and the high requirements of fire-fighting operation cannot be adapted. The traditional threaded connection's joint needs to be through rotatory screwing up and accomplish the installation, and operation step is loaded down with trivial details, and need just can guarantee the connection firmness with the help of appurtenance, under urgent fire scene, the connection operation that consuming time is longer can seriously delay emergent handling opportunity, misses the best window period of putting out a fire. Meanwhile, the sealing structure is mostly of a single sealing design, in the fire-fighting water high-pressure conveying process, leakage problems are prone to occur due to abrasion and installation deviation of a sealing surface, water pressure is insufficient, fire-fighting efficiency is greatly reduced, and even secondary potential safety hazards are caused due to water leakage. In addition, the existing connector is poor in anti-falling performance, and is easy to fall off from the nozzle in the face of complex working conditions such as water flow impact and external force collision, so that continuity of fire extinguishing operation is interrupted. And the disassembly operation of part of the connector is complex, the resetting of the parts is not smooth, the problems of loose structure, damage and the like are easy to occur after long-term use, the maintenance cost of the fire-fighting equipment is increased, and the operation convenience and safety of operators are reduced. Aiming at the pain points of the industries such as complicated connection, sealing failure, easy falling, inconvenient disassembly and the like of the existing fire hose connector, the fire hose connector device which is high in connection efficiency, reliable in sealing, stable in falling prevention and suitable for complex scenes is developed, and the fire hose connector device becomes an urgent requirement for improving the emergency response capability of fire-fighting operation. Disclosure of Invention The invention aims to provide a device which is convenient and efficient to connect, excellent in sealing performance and reliable in anti-falling effect, solves the problems that a traditional fire hose connector is complex in connection, easy to leak and easy to fall, improves the emergency response efficiency of fire-fighting operation and the fire-fighting operation safety, and also aims to provide a device which is convenient and labor-saving to detach, strong in structural stability, smooth in resetting of all parts and capable of being repeatedly used, reduces the maintenance cost of fire-fighting equipment, improves the operation convenience and adapts to complex and urgent fire-fighting operation scenes. The quick connector and the anti-drop device of the fire hose comprise a water pipe connector and a spray head, wherein a first perforated block is connected inside the water pipe connector in a sliding mode, a first spring is fixedly connected between the rear surface of the first perforated block and the right side of the inside of the water pipe connector, a first wedge-shaped sealing head is fixedly connected to the front end of the first perforated block, rolling grooves are symmetrically formed in the inner side wall of the spray head, rolling balls are fixedly connected inside the rolling grooves in a rolling mode, a soft clamping ring is fixedly connected to the outer side wall of the water pipe connector, a second perforated block is connected inside the spray head in a sliding mode, a second spring is fixedly connected between the front end of the second perforated block and the front surface of the inside of the spray head, and a second wedge-shaped sealing head is fixedly connected to the rear end of the second perforated block. Furthermore, the water pipe connector and the spray head can be connected in a clamping mode, and the soft clamping ring can be connected with the rolling ball in a clamping mode. Furthermore, the spout has been seted up to the lateral wall of shower nozzle, the l