CN221155196U

CN221155196U - Fire-fighting lance

Info

Publication number: CN221155196U
Application number: CN202323136642.8U
Authority: CN
Inventors: 黄天助
Original assignee: Shandong Chengcheng Fire Equipment Co ltd
Current assignee: Shandong Chengcheng Fire Equipment Co ltd
Priority date: 2023-11-21
Filing date: 2023-11-21
Publication date: 2024-06-18
Anticipated expiration: 2033-11-21

Abstract

The utility model discloses a fire-fighting lance, which comprises a lance head and a connector, wherein one end of the lance head is fixedly provided with the connector, a pressure regulating plate is movably arranged in the lance head, the upper end of the pressure regulating plate is provided with a first T-shaped chute, and a first T-shaped sliding block is movably arranged in the first T-shaped chute.

Description

Fire-fighting lance

Technical Field

The utility model relates to the technical field of fire-fighting lances, in particular to a fire-fighting lance.

Background

The utility model discloses a fire-fighting lance which is one of essential main tools for fire extinguishment by a fire fighter, after being connected with the fire hydrant, a water column formed by high pressure drop needs to be sprayed to a fire point, and finally big fire is extinguished, and the utility model with the publication number of CN203989631U discloses the fire-fighting lance, which comprises a lance body and a lance head, wherein the lance head is detachably connected to the front end of the lance body, a sliding track is arranged on the outer wall of the lance body, the direction of the sliding track is the same as the axis direction of the lance body, a cushion block is arranged in the sliding track, the cushion block can slide in the sliding track, the bottom of the cushion block is inwards sunken into an arc shape, however, the problem of the fire-fighting lance used at present is that water flow is required to generate higher pressure, the fire extinguishing radius can be increased, columnar water flow can be generated, and the fire point is sprayed to a far place; if the water pressure is lower, then can't form the columnar rivers for the radius of putting out a fire reduces, is unfavorable for putting out a fire, and sometimes often water spray distance just is poor one step distance just makes fire fighter's hope fire and exclames, therefore, design practicality is strong and a fire-fighting lance of adjustable water pressure is very necessary.

Disclosure of utility model

The utility model aims to provide a fire-fighting lance so as to solve the problems in the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a fire-fighting lance, includes rifle head and connector, rifle head one end fixed mounting has the connector, movable mounting has the pressure regulating plate in the rifle head, first T shape spout has been seted up to pressure regulating plate upper end, movable mounting has first T shape slider in the first T shape spout, rifle head upper end threaded connection has the threaded rod just threaded rod upper end fixed mounting has the adapter, threaded rod lower extreme movable mounting has first connecting rod, first connecting rod lower extreme with first T shape slider swing joint, pressure regulating plate upper end symmetry has seted up second T shape spout, movable mounting has the second T shape slider in the second T shape spout, symmetrical fixed mounting has the spacing seat in the rifle head, set up spacing chamber in the spacing chamber, movable mounting has first spring in the spacing seat, first spring one end fixed mounting has the limiting plate, spacing plate one end fixed mounting has the second connecting rod, second connecting rod lower extreme pass through spacing seat and with corresponding T shape slider upper end fixed mounting has the connector, but the second T shape slider fixed mounting has the second T shape slider to connect the second T shape slider fixed mounting has the second T shape slider, but the second T shape slider fixed mounting has the connecting seat.

According to the technical scheme, the connecting mechanism comprises movable grooves symmetrically arranged in the convenient connecting grooves, a second spring is fixedly arranged in each movable groove, a movable block is fixedly arranged at one end of each second spring, an arc-shaped butt joint is fixedly arranged at one end of each movable block, a circular connecting block is fixedly arranged at the upper end of each shoulder rest, an annular groove is formed in the upper end of each circular connecting block, and each arc-shaped butt joint is movably arranged in each annular groove.

According to the technical scheme, the movable block is symmetrically and fixedly provided with the limiting blocks, the movable groove is symmetrically provided with the limiting grooves, and the limiting blocks are movably arranged in the corresponding limiting grooves.

According to the technical scheme, the elastic protection pad is fixedly arranged on the inner wall of the shoulder rest.

According to the technical scheme, the second handle is fixedly arranged at the lower end of the gun head, and a holding groove is formed at one end of the second handle.

Compared with the prior art, the utility model has the following beneficial effects: according to the utility model, the gun head and the connector are fixedly connected through the fastening bolts, so that the gun head is convenient to transport and carry, when in use, the water inlet connector is connected with an external water supply pipe, the rotating handle is rotated to drive the threaded rod to rotate, the first T-shaped sliding block can be driven to slide in the first T-shaped sliding groove, the pressure regulating plate is driven to rotate, the water outlet pressure is controlled through the size of the water outlet, the gun head is convenient for fire fighters to use, meanwhile, the rotating track of the pressure regulating plate can be supported in an auxiliary mode through the cooperation of the limiting seat, the limiting cavity, the first spring, the limiting plate, the second connecting rod and other parts, the pressure regulating plate is prevented from inclining due to too large water pressure, when in fire extinguishment, the first handle can be held on the shoulder by hand, fire extinguishment can be carried out through the shoulder support, when in use, a fire fighter can have good protectiveness through the elastic protection pad, the shoulder support can be detached flexibly, the arc-shaped connector at one end of the movable block can be installed and fixed in the inner part through the elastic force of the second spring, the gun head can be connected with the connector conveniently and flexibly adjusted to the direction of the gun head can be flexibly controlled by the second annular groove.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view in front cross-section of the present utility model;

FIG. 2 is a schematic side cross-sectional view of a pressure regulating plate of the present utility model;

FIG. 3 is an enlarged schematic view of the present utility model at A in FIG. 1;

FIG. 4 is a perspective view of the shoulder rest of the present utility model;

in the figure: 1-gun head, 2-connector, 3-pressure regulating plate, 4-first T-shaped chute, 5-first T-shaped slider, 6-threaded rod, 7-first connecting rod, 8-second T-shaped chute, 9-second T-shaped slider, 10-spacing seat, 11-spacing chamber, 12-first spring, 13-limiting plate, 14-second connecting rod, 15-third connecting rod, 16-first handle, 17-water inlet connector, 18-connecting seat, 19-convenient connecting groove, 20-shoulder rest, 21-movable groove, 22-second spring, 23-movable block, 24-arc butt joint, 25-circular connecting block, 26-annular groove, 27-stopper, 28-spacing groove, 29-elastic protection pad, 30-second handle, 31-handshake groove.

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. 1-4, the present utility model provides the following technical solutions: the fire-fighting lance comprises a lance head 1 and a connector 2, wherein the connector 2 is fixedly arranged at one end of the lance head 1, a pressure regulating plate 3 is movably arranged in the lance head 1, a first T-shaped sliding groove 4 is formed at the upper end of the pressure regulating plate 3, a first T-shaped sliding block 5 is movably arranged in the first T-shaped sliding groove 4, a threaded rod 6 is in threaded connection with the upper end of the lance head 1, a rotating handle is fixedly arranged at the upper end of the threaded rod 6, a first connecting rod 7 is movably arranged at the lower end of the threaded rod 6, the lower end of the first connecting rod 7 is movably connected with the first T-shaped sliding block 5, a second T-shaped sliding groove 8 is symmetrically arranged at the upper end of the pressure regulating plate 3, a limiting seat 10 is symmetrically and fixedly arranged in the lance head 1, a limiting cavity 11 is formed in the limiting seat 10, a first spring 12 is movably arranged in the limiting cavity 11, the utility model relates to a gun head, which is characterized in that a limiting plate 13 is fixedly arranged at one end of a first spring 12, a second connecting rod 14 is fixedly arranged at one end of the limiting plate 13, the lower end of the second connecting rod 14 penetrates through a limiting seat 10 and is movably connected with a corresponding second T-shaped sliding block 9, a third connecting rod 15 is symmetrically and fixedly arranged at the upper end of a connecting body 2, a first handle 16 is fixedly arranged between the third connecting rods 15, a water inlet connector 17 is fixedly arranged at one end of the connecting body 2, a connecting seat 18 is fixedly arranged at the lower end of the connecting body 2, a convenient connecting groove 19 is formed at the lower end of the connecting seat 18, a shoulder support 20 is arranged at the lower end of the connecting seat 18, a connecting mechanism capable of conveniently connecting the shoulder support 20 is arranged in the convenient connecting groove 19, the gun head 1 is convenient to transport and carry, when in use, the water inlet connector 17 is connected with an external water supply pipe, the threaded rod 6 can be driven to rotate through the rotating handle, the first T-shaped sliding block 5 can be driven to slide in the first T-shaped sliding groove 4, meanwhile, the pressure regulating plate 3 is driven to rotate, the water outlet pressure is controlled through the size of the water outlet, the use of firefighters is facilitated, meanwhile, the auxiliary support can be carried out on the rotating track of the pressure regulating plate 3 through the cooperation of the limiting seat 10, the limiting cavity 11, the first spring 12, the limiting plate 13, the second connecting rod 14 and other parts, the pressure regulating plate 3 is prevented from tilting due to the fact that the water pressure is too large, and when in fire extinguishment, the fire can be extinguished through the first handle 16, and the shoulder rest 20 can also be held on the shoulder by hand;

specifically, the connecting mechanism comprises a movable groove 21 symmetrically arranged in the convenient connecting groove 19, a second spring 22 is fixedly arranged in the movable groove 21, a movable block 23 is fixedly arranged at one end of the second spring 22, an arc butt joint 24 is fixedly arranged at one end of the movable block 23, a circular connecting block 25 is fixedly arranged at the upper end of the shoulder rest 20, an annular groove 26 is arranged at the upper end of the circular connecting block 25, the arc butt joint 24 is movably arranged in the annular groove 26, the arc butt joint 24 at one end of the movable block 23 can be fixedly arranged in the annular groove 26 through the elasticity of the second spring 22, the connection between the shoulder rest 20 and the connecting body 2 can be realized, and meanwhile, the flexible adjustment of the direction of the gun head 1 can be realized;

Specifically, the movable block 23 is symmetrically and fixedly provided with a limiting block 27, the movable groove 21 is symmetrically provided with a limiting groove 28, the limiting block 27 is movably arranged in the corresponding limiting groove 28, and when the limiting block 27 is matched with the corresponding limiting groove 28 for use, the movable block 23 can be limited when in use;

Specifically, the inner wall of the shoulder rest 20 is fixedly provided with an elastic protection pad 29, and the elastic protection pad 29 can enable firefighters to have good protection when in use;

Specifically, the second handle 30 is fixedly mounted at the lower end of the gun head 1, and a holding groove 31 is formed at one end of the second handle 30, so that a firefighter can conveniently control the direction of the gun head 1 through the second handle 30.

Working principle: when the fire-fighting gun is used, firstly, the gun head 1 and the connector 2 can be fixedly connected through the fastening bolts, so that the fire-fighting gun is convenient to transport and carry, when the gun head 1 is used, the water inlet connector 17 is connected with an external water supply pipe, the threaded rod 6 can be driven to rotate through the rotating handle, further, the first T-shaped sliding block 5 can be driven to slide in the first T-shaped sliding groove 4, meanwhile, the pressure regulating plate 3 is driven to rotate, the water outlet pressure is controlled through the size of the water outlet, the fire-fighting gun is convenient to use, meanwhile, the rotation track of the pressure regulating plate 3 can be supported in an auxiliary mode through the cooperation of the limiting seat 10, the limiting cavity 11, the first spring 12, the limiting plate 13, the second connecting rod 14 and other parts, the pressure regulating plate 3 is prevented from inclining, when the fire is extinguished, the fire is extinguished through the first handle 16, the shoulder rest 20 can be supported on the shoulder, the fire is extinguished, when the fire-fighting person is used, the fire-fighting person can have good protection performance through the elastic protection pad 29, the shoulder rest 20 can be flexibly detached, the movable block 23 can be installed at one end 24 in the annular groove 26 through the elastic protection pad 22, the flexible connection direction of the movable block 23 can be realized, and the direction of the gun head can be flexibly adjusted through the arc-shaped gun head 2, and the flexible connection can be realized through the arc-shaped connector 1, and the flexible connection can be realized, and the direction can be convenient to realize by the fire-fighting gun can be connected by the flexible gun can be connected through the connector 2.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a fire-fighting lance, includes rifle head (1) and connector (2), its characterized in that: the utility model discloses a pressure regulating device, including connecting body (2) is fixed firmly in rifle head (1), movable mounting has pressure regulating plate (3) in rifle head (1), first T shape spout (4) have been seted up to pressure regulating plate (3) upper end, movable mounting has first T shape slider (5) in first T shape spout (4), threaded rod (6) and threaded rod (6) upper end fixed mounting has the commentaries on classics handle in rifle head (1) upper end, threaded rod (6) lower extreme movable mounting has first connecting rod (7), first connecting rod (7) lower extreme with first T shape slider (5) swing joint, second T shape spout (8) have been seted up to pressure regulating plate (3) upper end symmetry, movable mounting has second T shape slider (9) in second T shape spout (8), symmetrical fixed mounting has spacing seat (10) in spacing seat (10), set up spacing chamber (11) in spacing chamber (11), first movable mounting spring (12) lower extreme with first T shape slider (5) swing joint, first spring (12) and second T shape slider (14) fixed connection, the novel connecting structure is characterized in that a third connecting rod (15) is symmetrically and fixedly arranged at the upper end of the connecting body (2) and a first handle (16) is fixedly arranged between the third connecting rods (15), a water inlet connector (17) is fixedly arranged at one end of the connecting body (2), a connecting seat (18) is fixedly arranged at the lower end of the connecting body (2), a convenient connecting groove (19) is formed in the lower end of the connecting seat (18), a shoulder support (20) is arranged at the lower end of the connecting seat (18), and a connecting mechanism capable of being conveniently connected with the shoulder support (20) is arranged in the convenient connecting groove (19).

2. The fire-fighting lance of claim 1 wherein: the connecting mechanism comprises a movable groove (21) symmetrically arranged in the convenient connecting groove (19), a second spring (22) is fixedly arranged in the movable groove (21), a movable block (23) is fixedly arranged at one end of the second spring (22), an arc butt joint head (24) is fixedly arranged at one end of the movable block (23), a circular connecting block (25) is fixedly arranged at the upper end of the shoulder rest (20), an annular groove (26) is formed in the upper end of the circular connecting block (25), and the arc butt joint head (24) is movably arranged in the annular groove (26).

3. The fire-fighting lance of claim 2 wherein: limiting blocks (27) are symmetrically and fixedly arranged on the movable blocks (23), limiting grooves (28) are symmetrically formed in the movable grooves (21), and the limiting blocks (27) are movably arranged in the corresponding limiting grooves (28).

4. A fire-fighting lance according to claim 3, wherein: an elastic protection pad (29) is fixedly arranged on the inner wall of the shoulder rest (20).

5. The fire-fighting lance of claim 4 wherein: the lower end of the gun head (1) is fixedly provided with a second handle (30), and one end of the second handle (30) is provided with a handshake groove (31).