CN220424420U - Fire monitor variable gun head - Google Patents

Abstract

The utility model discloses a fire monitor variable gun head, which comprises an outer tube and an inner tube arranged in the outer tube in a sliding manner, wherein an adjusting structure is arranged between the outer tube and the inner tube; the flow regulating part comprises a baffle, a plurality of connecting rods are arranged on the baffle, the connecting rods are connected with the inner tube, and pressure relief holes are formed in the baffle; the utility model has reasonable structure and novel design, the position of the inner pipe is regulated by the regulating structure, and the position of the baffle is regulated under the action of the connecting rod, so that the gap between the baffle and the outer pipe is regulated to regulate the flow of the gun head, the regulating structure is simple and clear, the pressure of water acting on the baffle is reduced by arranging the pressure relief hole on the baffle, and the regulating structure is more labor-saving and has higher efficiency when regulating the inner pipe.

Description

Fire monitor variable gun head

Technical Field

The utility model relates to the technical field, in particular to a variable gun head of a fire monitor.

Background

Fire monitor is an important fire-fighting equipment for remote fire suppression, and is divided into two series of fire monitor (PS) and fire foam monitor (PP). The fire-fighting water cannon is fire-fighting equipment for spraying water and remotely extinguishing general solid matters, and the fire-fighting cannon is fire-fighting equipment for spraying air foam and remotely extinguishing liquid fire of first, second and third class.

At present, most of the flow of the domestic fire monitor is fixed and not adjustable, although the flow of part of the fire monitor head is adjustable, the structure is complex, the fire monitor head body is divided into a plurality of sections, the fire monitor head is connected together through a plurality of threads, the installation and the operability are poor, the position of a stop block can be adjusted by arranging a rocker, a threaded rod and a sliding block according to the prior art application number 201920760016.0, but the flow of the fire monitor head can be adjusted by changing the size of the gap between the stop block and the stop ring, the water pressure is larger in the water spraying process of the fire monitor, the water pressure acts on a limiting plate, and a great amount of force is required to be consumed when the position of the stop block is adjusted by rotating the rocker, so that the adjustment is quite laborious.

Disclosure of Invention

Aiming at the defects of the prior art, how to quickly and laborsaving adjust the flow of the gun head, the variable gun head of the fire monitor is disclosed, which comprises an outer tube and an inner tube arranged in the outer tube in a sliding way, wherein an adjusting structure is arranged between the outer tube and the inner tube;

the flow regulating part comprises a baffle, a plurality of connecting rods are arranged on the baffle, the connecting rods are connected with the inner tube, and pressure relief holes are formed in the baffle;

the adjusting structure comprises a pair of threaded rods, the two ends of each threaded rod are respectively provided with a fixing seat in a rotating mode, the fixing seats at one end of each threaded rod are fixed on the outer tube, the fixing seats at the other end of each threaded rod are fixed on the inner tube, each threaded rod spirally penetrates through the corresponding fixing seat connected with the inner tube, a pair of first gears are respectively arranged at one end of each threaded rod, a pair of second gears are connected between the first gears in a meshed mode, and the second gears are connected with supporting seats in a rotating mode.

Preferably, the support seat is rotatably penetrated with a rotating shaft, one end of the rotating shaft is connected with the second gear, and the other end of the rotating shaft is provided with a turntable.

Preferably, a sliding groove is formed in the inner wall of the outer tube, a sliding block is arranged in the sliding groove in a sliding mode, and the sliding block is arranged on the inner tube.

Preferably, the rotating shaft is provided with threads near the rotating disc end, and the rotating shaft is spirally sleeved with a locking cap.

The utility model has the following beneficial effects: the utility model has reasonable structure and novel design, the position of the inner pipe is regulated by the regulating structure, and the position of the baffle is regulated under the action of the connecting rod, so that the gap between the baffle and the outer pipe is regulated to regulate the flow of the gun head, the regulating structure is simple and clear, the pressure of water acting on the baffle is reduced by arranging the pressure relief hole on the baffle, and the regulating structure is more labor-saving and has higher efficiency when regulating the inner pipe.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

fig. 3 is a schematic right side view of a baffle plate according to the present utility model.

In the figure: the device comprises a 1-outer tube, a 2-inner tube, a 3-baffle, a 4-connecting rod, a 5-pressure relief hole, a 6-threaded rod, a 7-fixed seat, an 8-first gear, a 9-second gear, a 10-supporting seat, a 11-rotating shaft, a 12-rotating disc, a 13-sliding groove, a 14-sliding block, a 15-thread and a 16-locking cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a fire monitor head comprises an outer tube 1 and an inner tube 2 slidably arranged in the outer tube 1, wherein the longitudinal sections of the inner cavities of the outer tube 1 and the inner tube 2 are circular structures, and an adjusting structure is arranged between the outer tube 1 and the inner tube 2;

the flow regulating part is arranged in the outer tube 1 and comprises a baffle 3, a gap exists between the baffle 3 and the outer tube 1, the baffle 3 is of a circular plate structure, a plurality of connecting rods 4 are arranged on the baffle 3, four connecting rods 4 of the scheme are uniformly arranged along the circumference of the baffle 3, the plurality of connecting rods 4 are connected with the inner tube 2, two ends of each connecting rod 4 are respectively welded with the inner tube 2 and the baffle 3, and a pressure relief hole 5 is formed in the baffle 3 and used for pressure relief;

the adjusting structure comprises a pair of threaded rods 6, fixing seats 7 are rotatably arranged at two ends of each threaded rod 6, as shown in fig. 1, the fixing seats 7 at one end of each threaded rod 6 are fixedly welded on the outer tube 1, the fixing seats 7 at the other end of each threaded rod 6 are fixedly welded on the inner tube 2, each threaded rod 6 spirally penetrates through the corresponding fixing seat 7 connected with the inner tube 2, each threaded rod 6 rotatably penetrates through the corresponding fixing seat 7 fixed on the outer tube 1, a bearing is embedded in each fixing seat 7, each threaded rod 6 fixedly penetrates through an inner ring of the corresponding bearing, one end of each threaded rod 6 is provided with a first gear 8, a pair of first gears 8 are connected with a second gear 9 in a meshed mode, each second gear 9 is rotatably connected with a supporting seat 10, and each supporting seat 10 is fixedly welded on the outer tube 1;

the inner tube 2 can be adjusted to move in the outer tube 1 through the adjusting structure, when the inner tube 2 moves, the baffle 3 moves along with the inner tube 2 under the action of the connecting rod 4, the gap between the baffle 3 and the outer tube 1 is changed, so that the water flow is adjusted, the first gear 8 is rotated by rotating the second gear 9, the threaded rod 6 is driven to rotate, the fixing seat 7 on the outer tube 1 can be moved, and the inner tube 2 can be driven to move;

a rotating shaft 11 is rotatably penetrated through the supporting seat 10, a bearing is embedded in the supporting seat 10, the rotating shaft 11 fixedly penetrates through the bearing inner ring, one end of the rotating shaft 11 is connected with the second gear 9, the other end of the rotating shaft 11 is provided with a rotary table 12, and the second gear 9 can be conveniently rotated through the rotary table 12;

the inner wall of the outer tube 1 is provided with a sliding groove 13, a sliding block 14 is arranged in the sliding groove 13 in a sliding mode, and the sliding block 14 is arranged on the inner tube 2.

The rotating shaft 11 is provided with threads 15 near the end of the rotating disc 12, the rotating shaft 11 is spirally sleeved with a locking cap 16, the locking cap 16 is rotated, the locking cap 16 is tightly attached to the side wall of the supporting seat 10, and the rotating shaft 11 can be fixed, so that the second gear 9 is prevented from rotating, the first gear 8 cannot rotate, and the relative movement between the outer tube 1 and the inner tube 2 is avoided.

Examples: when the flow of big gun head needs to be adjusted, through the position of adjusting structure regulation baffle 3, change the clearance between baffle 3 and the outer tube 1, can adjust big gun head flow through the size that changes baffle 3 and outer tube 1 clearance, adjust simple structure has clearly, has offered pressure release hole 5 on baffle 3, can reduce the water pressure that water acted on baffle 3, conveniently adjusts baffle 3 to conveniently adjust inner tube 2 position, when adjusting through adjusting the structure, more laborsaving.

In the description of the present embodiment, it should be noted that, unless explicitly specified and defined otherwise, the terms 'mounted', 'connected', 'communicating' should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, or can be communicated inside the two components, or can be connected wirelessly or in a wired way. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (4)

1. The fire monitor variable gun head is characterized by comprising an outer tube (1) and an inner tube (2) arranged in the outer tube (1) in a sliding manner, wherein an adjusting structure is arranged between the outer tube (1) and the inner tube (2);

the device is characterized in that a flow regulating piece is arranged in the outer tube (1), the flow regulating piece comprises a baffle plate (3), a plurality of connecting rods (4) are arranged on the baffle plate (3), the connecting rods (4) are connected with the inner tube (2), and a pressure relief hole (5) is formed in the baffle plate (3);

the adjusting structure comprises a pair of threaded rods (6), fixing seats (7) are arranged at two ends of each threaded rod (6) in a rotating mode, the fixing seats (7) at one end of each threaded rod (6) are fixed on the outer tube (1), the fixing seats (7) at the other end of each threaded rod (6) are fixed on the inner tube (2), each threaded rod (6) spirally penetrates through the corresponding fixing seat (7) connected with the inner tube (2), a pair of first gears (8) are arranged at one end of each threaded rod (6), a pair of second gears (9) are connected between the first gears (8) in a mutually meshed mode, and the second gears (9) are connected with supporting seats (10) in a rotating mode.

2. The fire monitor head according to claim 1, wherein the supporting seat (10) is rotatably penetrated by a rotating shaft (11), one end of the rotating shaft (11) is connected with the second gear (9), and the other end of the rotating shaft (11) is provided with a turntable (12).

3. The fire monitor head according to claim 1, wherein a chute (13) is formed in the inner wall of the outer tube (1), a sliding block (14) is slidably arranged in the chute (13), and the sliding block (14) is mounted on the inner tube (2).

4. The fire monitor head according to claim 2, wherein the rotating shaft (11) is provided with threads (15) near the end of the rotary disc (12), and the rotating shaft (11) is spirally sleeved with a locking cap (16).