Pressure balance buffer connecting device for fire hose

Abstract

The utility model discloses a fire hose pressure balance buffer connecting device which comprises a pressure reducing and stabilizing bolt, a bolt connector and a hose connector, the bolt connector is fixed outside a water outlet pipe of the pressure reducing and stabilizing bolt, the hose connector is screwed into the bolt connector, and the fire hose pressure balance buffer connecting device further comprises a connecting and limiting mechanism. A connecting and limiting structure is arranged at the position of a pressure reducing and stabilizing bolt used for pressure balance buffering connection of a fire hose and a hose connector, a bolt hoop and a pipe hoop of the connecting and limiting structure can be installed at the position of a bolt connector and the position of the hose connector respectively, and a pipe fixing plate, connected through a side groove short plate, of the pipe hoop and a bolt fixing plate, connected through a side groove long plate, of the bolt hoop are locked through a supporting bolt and a spinning block. The side groove long plate and the side groove short plate are in pin joint through insertion of the L-shaped insertion plate, additional locking can be conducted outside the bolt connector and the water hose connector through the multiple connection mode of the connection limiting structure, and the phenomenon that the bolt connector and the water hose connector are loosened and separated due to external force in the use process of the fire hose is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire hose connecting device technical field, especially relates to fire hose pressure balance buffer connecting device. BACKGROUND

[0002] Fire hose is the hose used in fire scene water supply, and is one of the important equipment indispensable in fire extinguishing, and in order to ensure that the fire hose can work stably and safely in the water supply process, reduce the damage of pressure fluctuation and water hammer phenomenon to the hose and related equipment, the pressure reducing and stabilizing plug is usually configured at the fire hose water supply pipeline, and the pressure reducing and stabilizing plug is connected with the fire hose, and then the spring, piston and other components are utilized to automatically adjust the outlet pressure according to the change of inlet pressure, so that the pressure balance buffer connection between the fire hose and the water supply pipe is realized.

[0003] At present, after the fire hose is connected with the joint of the pressure reducing and stabilizing plug, the connecting position of the two often lacks additional locking structure, when the joint of the fire hose is subjected to external force pulling, or the joint is not screwed in place due to misoperation, the hose may fall off from the pressure reducing and stabilizing plug, thereby affecting the normal progress of the fire extinguishing work, therefore, the fire hose pressure balance buffer connecting device is proposed. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide fire hose pressure balance buffer connecting device, the connecting structure is arranged at the pressure reducing and stabilizing plug and the hose joint for fire hose pressure balance buffer connection, the plug hoop and the pipe hoop of the connecting structure can be respectively installed at the plug joint and the hose joint, the pipe hoop is locked between the pipe fixed plate connected with the side groove short plate and the plug fixed plate connected with the side groove long plate through the supporting plug and the spinning block, and the side groove long plate and the side groove short plate are pin-connected through the L-shaped insertion plate insertion, the multiple connection modes of the connecting structure can be additionally locked outside the plug joint and the hose joint, so that the plug joint and the hose joint are prevented from loosening and separating due to external force in the use process of the fire hose, the stable use of the fire hose is ensured when the fire hose is supplied with water by the pressure reducing and stabilizing plug, and the problems in the background art can be effectively solved.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] Fire hose pressure balance buffer connecting device, fire hose pressure balance buffer connecting device, including pressure reducing and stabilizing plug, plug joint and water hose joint, the water outlet pipe of the pressure reducing and stabilizing plug is externally fixed with the plug joint, and the plug joint is externally screwed with the water hose joint, further comprising a limiting mechanism, the limiting mechanism comprises a hoop, a pipe hoop, a side slot long plate, a side slot short plate, a hoop plate, a pipe plate, a support bolt, a spinning block and an L-shaped insert plate, the rear pipe shell of the plug joint and the water hose joint is respectively provided with a hoop and a pipe hoop, and one side of the hoop and the pipe hoop is respectively welded with a side slot long plate and a side slot short plate, the plate body surface of the side slot short plate away from the pipe hoop is welded with a pipe plate extending to the side slot long plate, and the side slot long plate surface on one side of the pipe plate is welded with a hoop plate, the pipe plate and the hoop plate are locked by the support bolt and the spinning block, the surface of the side slot long plate and the side slot short plate is provided with a side slot for inserting the L-shaped insert plate, and the end plate surface of the L-shaped insert plate is fixed with a magnetic plate for magnetically attracting the side slot short plate.

[0007] Further, the rear pipe shell of the plug joint and the water hose joint is respectively provided with a hoop and a pipe hoop, and the respective hole hoop plate heads of the hoop and the pipe hoop are locked and connected by bolts and nuts;

[0008] By adopting the above technical scheme, after the hoop and the pipe hoop are respectively sleeved on the plug joint and the water hose joint, the respective hole hoop plate heads of the hoop and the pipe hoop can be screwed with the bolts and the nuts, so as to lock the respective hoop bodies of the hoop and the pipe hoop.

[0009] Further, the surface of the pipe plate and the hoop plate is provided with a fixed slot, and the fixed slots of the pipe plate and the hoop plate are inserted with a support bolt for screwing the spinning block;

[0010] By adopting the above technical scheme, the fixed slots of the pipe plate and the hoop plate can be inserted with the support bolt, and then the support bolt screws the spinning block to lock the pipe plate and the hoop plate.

[0011] Further, the plate body surface of the pipe plate away from the fixed slot is provided with a hook groove for clamping the rubber joint back hook block, and the outer strip surface of the rubber joint is on the surface of the hoop plate;

[0012] By adopting the above technical scheme, the hook block integrally formed on the back surface of the rubber joint is clamped in the hook groove on the surface of the pipe plate, so that the pipe plate can be supported by the rubber joint to contact the hoop plate.

[0013] Further, the plate body surface of the L-shaped insert plate is provided with a double hook groove, and the double hook groove of the L-shaped insert plate is vertically clamped and bonded with a magnetic plate, the back plate surface of the magnetic plate is integrally formed with a double hook strip, and the double hook strip is clamped into the hook-shaped groove of the double hook groove;

[0014] By adopting the technical scheme, the magnetic plate with double hooks can be clamped, bonded and fixed in the double hook grooves of the L-shaped plug-in plate, so that the L-shaped plug-in plate can be positioned on the surface of the side groove short plate by magnetic attraction of the magnetic plate.

[0015] Further, the inner diameter of the hoop ring of the pin hoop is greater than the rear pipe shell diameter of the pin joint, and the inner diameter of the hoop ring of the pipe hoop is greater than the rear pipe shell diameter of the hose joint.

[0016] By adopting the technical scheme, the hoop ring of the pin hoop can be rotated to change position outside the pin joint, and the hoop ring of the pipe hoop can also be rotated to change position outside the hose joint.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a pressure balance buffering connection device for fire hose, which comprises a pin joint, a hose joint and a connecting limiting structure, wherein the connecting limiting structure is arranged between the pin joint and the hose joint.

[0019] Further, the inner diameter of the hoop ring of the pin hoop is greater than the rear pipe shell diameter of the pin joint, and the inner diameter of the hoop ring of the pipe hoop is greater than the rear pipe shell diameter of the hose joint, so that the pin hoop and the pipe hoop can be rotated to change position outside the pin joint and the hose joint respectively, and the side groove long plate and the side groove short plate can be adjusted to the opposite position during connection, so that additional locking connection is realized. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a whole structure schematic diagram of the utility model pressure balance buffering connection device for fire hose.

[0021] Fig. 2 It is a split schematic diagram of the pin joint and the hose joint and the connecting limiting mechanism of the utility model pressure balance buffering connection device for fire hose.

[0022] Fig. 3 It is an explosion view of the connecting limiting mechanism of the utility model pressure balance buffering connection device for fire hose.

[0023] In the diagram: 1. Pressure reducing and stabilizing bolt; 2. Bolt connector; 3. Water hose connector; 4. Connecting and limiting mechanism; 5. Bolt clamp; 6. Pipe clamp; 7. Side groove long plate; 8. Side groove short plate; 9. Bolt fixing plate; 10. Pipe fixing plate; 11. Fixing slot; 12. Support bolt; 13. Spinning block; 14. L-shaped insert plate; 15. Magnetic plate; 16. Rubber joint strip. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] like Figs. 1-3 As shown, the fire hose pressure balancing buffer connection device includes a pressure reducing and stabilizing plug 1, a plug connector 2, and a hose connector 3. The pressure reducing and stabilizing plug 1 has a plug connector 2 fixed to its outlet pipe, and the hose connector 3 is screwed into the plug connector 2. It also includes a limiting mechanism 4, which includes a plug clamp 5, a pipe clamp 6, a side groove long plate 7, a side groove short plate 8, a plug fixing plate 9, a pipe fixing plate 10, a support plug 12, a spinning block 13, and an L-shaped insert plate 14. The plug connector 2 and the hose connector 3 are respectively installed at the rear pipe shell of the plug clamp 5 and the pipe clamp 6. Side groove long plate 7 and side groove short plate 8 are welded to one side of pipe clamp 6, respectively. A pipe fixing plate 10 extending to the side groove long plate 7 is welded to the plate surface of the side groove short plate 8 away from pipe clamp 6, and a bolt fixing plate 9 is welded to the surface of the side groove long plate 7 on one side of the pipe fixing plate 10. The pipe fixing plate 10 and the bolt fixing plate 9 are locked together by a support bolt 12 and a spinning block 13. The side groove long plate 7 and the side groove short plate 8 are provided with side slots for inserting L-shaped insert plates 14, and a magnetic plate 15 for magnetically attracting the side groove short plate 8 is fixed to the end plate surface of the L-shaped insert plate 14.

[0026] Among them, the rear pipe shell of the bolt joint 2 and the hose joint 3 are respectively fitted with bolt clamp 5 and hose clamp 6, and the perforated clamp heads of the bolt clamp 5 and hose clamp 6 are locked together by bolts and nuts.

[0027] By adopting the above technical solution, after the bolt joint 2 and the hose joint 3 respectively clamp the bolt clamp 5 and the pipe clamp 6, the bolt and nut can be screwed through the perforated clamp head of the bolt clamp 5 and the pipe clamp 6 to lock the clamp body of the bolt clamp 5 and the pipe clamp 6.

[0028] The tube fixing plate 10 and the bolt fixing plate 9 are provided with fixing slots 11, and a support bolt 12 for screwing the spinning block 13 is inserted between the fixing slots 11 of the tube fixing plate 10 and the bolt fixing plate 9.

[0029] By adopting the above technical solution, the support bolt 12 can be inserted into the fixed slot 11 of the pipe fixing plate 10 and the bolt fixing plate 9, and then the support bolt 12 is screwed onto the screwing block 13 to lock the pipe fixing plate 10 and the bolt fixing plate 9.

[0030] The plate body surface of the pipe fixing plate 10 away from the fixing slot 11 is provided with a hook groove for clamping the hook block on the back surface of the rubber joint 16, and the outer surface of the rubber joint 16 is on the surface of the bolt fixing plate 9;

[0031] By adopting the above technical scheme, the rubber joint 16 is clamped in the hook groove on the surface of the pipe fixing plate 10 by the hook block integrally formed on the back surface of the rubber joint 16, so that the pipe fixing plate 10 can be supported by the rubber joint 16 to contact the bolt fixing plate 9.

[0032] The plate body surface of the L-shaped plug plate 14 is provided with double hook grooves, and the double hook grooves of the L-shaped plug plate 14 are vertically clamped and bonded with the magnetic plate 15, and the back plate surface of the magnetic plate 15 is integrally formed with double hook strips, and the double hook strips are clamped into the hook grooves of the double hook grooves;

[0033] By adopting the above technical scheme, the magnetic plate 15 provided with double hook strips can be clamped and bonded in the double hook grooves of the L-shaped plug plate 14, so that the L-shaped plug plate 14 can be magnetically positioned on the surface of the side groove short plate 8 by the magnetic plate 15.

[0034] The inner diameter of the hoop ring of the bolt hoop 5 is greater than the diameter of the rear pipe shell of the bolt joint 2, and the inner diameter of the hoop ring of the pipe hoop 6 is greater than the diameter of the rear pipe shell of the water hose joint 3;

[0035] By adopting the above technical scheme, the hoop ring of the bolt hoop 5 can be rotated to change the position outside the bolt joint 2, and the hoop ring of the pipe hoop 6 can also be rotated to change the position outside the water hose joint 3.

[0036] It should be noted that the utility model is a fire hose pressure balance buffer connecting device, a connecting structure 4 is arranged at a pressure reducing and stabilizing plug 1 for fire hose pressure balance buffer connection, when the water hose joint 3 is sleeved with the fire hose at the rear pipe shell, and the fire hose is wound and fastened on the rear pipe shell of the water hose joint 3 by using the iron wire, then the plug hoop 5 and the pipe hoop 6 of the connecting structure 4 can be opened respectively, then the plug hoop 5 is sleeved outside the plug joint 2 of the pressure reducing and stabilizing plug 1, the pipe hoop 6 is sleeved outside the water hose joint 3 after the fire hose is sleeved, the bolt and the nut are used to lock the hole hoop plate head of the plug hoop 5 and the pipe hoop 6, so that the plug hoop 5 and the pipe hoop 6 can rotate outside the plug joint 2 and the water hose joint 3 respectively, when the water hose joint 3 needs to be spin pressed into the plug joint 2 for clamping connection, the plug hoop 5 and the pipe hoop 6 can be rotated, so that the side groove long plate 7 and the side groove short plate 8 are in the opposite position, and the plug fixed plate 9 of the side groove long plate 7 is pressed at the rubber joint 16 of the pipe fixed plate 10 of the side groove short plate 8, then the L-shaped insertion plate 14 is inserted through the side insertion groove of the side groove long plate 7 and the side groove short plate 8 for pin connection, and the L-shaped insertion plate 14 is magnetically attracted to the side groove short plate 8 by the magnetic plate 15 for position keeping, so that the plug joint 2 and the water hose joint 3 exist additional locking connection, the plug joint 2 and the water hose joint 3 are prevented from loosening and separating due to external force in the process of using the fire hose, the water hose joint 3 can be stably connected with the pressure reducing and stabilizing plug 1 for pressure balance type water supply, after the water supply is finished, the L-shaped insertion plate 14 can be pulled away from the side groove long plate 7 and the side groove short plate 8, the spin pressing block 13 is rotated away from the supporting plug 12, and the supporting plug 12 is pulled away from the plug fixed plate 9 and the pipe fixed plate 10, at this time, the water hose joint 3 and the plug joint 2 complete unlocking of the additional locking structure, so that the water hose joint 3 and the plug joint 2 can be normally separated, the plug hoop 5 and the pipe hoop 6 can be respectively installed and carried at the plug joint 2 and the water hose joint 3 for installing the fire hose, so that the plug joint 2 and the water hose joint 3 for installing the fire hose can be additionally locked after being connected, and the stable water supply of the fire hose is ensured.

[0037] It should be noted that the utility model is a fire hose pressure balance buffer connecting device, the components in the utility model are components known by those skilled in the art, and the structure and principle thereof can be known by those skilled in the art through a technical manual or through a conventional experimental method.

[0038] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A pressure balance buffer connecting device for fire hose, comprising a pressure reducing and stabilizing plug (1), a plug joint (2) and a hose joint (3), the plug joint (2) is fixed outside the water outlet pipe of the pressure reducing and stabilizing plug (1), and the hose joint (3) is screwed outside the plug joint (2), characterized in that: Also include the continuous mechanism (4), the continuous mechanism (4) includes the hoop (5), the pipe hoop (6), the side groove long plate (7), the side groove short plate (8), the bolt plate (9), the pipe plate (10), the support bolt (12), the spinning block (13) and the L-shaped insert plate (14), the bolt joint (2) and the hose joint (3) the rear pipe shell is respectively installed with the hoop (5) and the pipe hoop (6), and the hoop (5) and the pipe hoop (6) one side is respectively welded with the side groove long plate (7) and the side groove short plate (8), the side groove short plate (8) is welded with the pipe plate (10) that extends to the side groove long plate (7) away from the plate body surface of the pipe hoop (6), and the side groove long plate (7) surface on one side of the pipe plate (10) is welded with the bolt plate (9), the pipe plate (10) and the bolt plate (9) are locked between the support bolt (12) and the spinning block (13), the side groove long plate (7) and the side groove short plate (8) surface are provided with the side slot for the L-shaped insert plate (14) is inserted, and the end plate surface of the L-shaped insert plate (14) is fixed with the magnetic plate (15) for the magnetic side groove short plate (8). ​ 2. The fire hose pressure balanced buffer connection apparatus of claim 1, wherein: The rear pipe shell of the bolt joint (2) and the hose joint (3) is respectively sleeved with the hoop (5) and the pipe hoop (6), and the hoop (5) and the pipe hoop (6) are locked and connected between the respective hole hoop plate heads by bolts and nuts.

3. The fire hose pressure balanced buffer connection apparatus of claim 1, wherein: The pipe plate (10) and the bolt plate (9) surface are provided with the fixed slot (11), and the fixed slot (11) between the pipe plate (10) and the bolt plate (9) is inserted with the support bolt (12) for the spinning block (13) is screwed.

4. The fire hose pressure balanced buffer connection apparatus of claim 1, wherein: The plate body surface of the pipe plate (10) away from the fixed slot (11) is provided with the hook groove for clamping the rubber joint bar (16) back hook block, and the outer bar surface of the rubber joint bar (16) is on the surface of the bolt plate (9).

5. The fire hose pressure equalizing buffer connection apparatus as defined in claim 1 wherein: The plate body surface of the L-shaped insert plate (14) is provided with double hook grooves, and the double hook grooves of the L-shaped insert plate (14) are vertically clamped and bonded with the magnetic plate (15), the back plate surface of the magnetic plate (15) is integrally formed with double hook strips, and the double hook strips are clamped into the hook-shaped grooves of the double hook grooves.

6. The fire hose pressure equalizing buffer connection apparatus as defined in claim 1 wherein: The hoop circle inner diameter of the hoop (5) is greater than the diameter of the rear pipe shell of the bolt joint (2), and the hoop circle inner diameter of the pipe hoop (6) is greater than the diameter of the rear pipe shell of the hose joint (3).

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