Multifunctional fire-fighting lance

Abstract

The utility model discloses a multifunctional fire-fighting lance which comprises a lance body, a spray head is arranged at the top end of the lance body, a flow control mechanism is arranged between the lance body and the spray head, the flow control mechanism comprises a connecting sleeve, an adjusting sleeve, a connecting plate, a center rod, a control sleeve, a row hole, a sealing sleeve and a connecting ring, the connecting sleeve is installed on the spray head, and the adjusting sleeve is installed on the center rod. The adjusting sleeve is rotatably connected with the gun body and the connecting sleeve, the connecting plates are installed in the adjusting sleeve, the center rod is installed at the bottom ends of the connecting plates, when the adjusting sleeve is rotated, the connecting plates drive the center rod to rotate, and the center rod drives the sealing sleeve to slide along the control sleeve through cooperation of a spiral groove in the outer wall of the center rod and a sliding block on the inner wall of the connecting ring; and meanwhile, the sealing sleeve is in sliding connection with a guide groove in the inner wall of the control sleeve through a guide strip, the sealing sleeve can accurately control the sealing area of the discharge holes, by changing the opening area of the discharge holes, the area of a water flow channel can be adjusted, the mode switching of direct-current injection and atomization injection can be achieved, and therefore the requirements of various fire extinguishing scenes can be met.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting rescue technical field more specifically, it relates to a multifunctional fire water gun. BACKGROUND

[0002] In the fire fighting rescue process, the fire environment is complex and changeable, different fire types and rescue scenes have different requirements for the water gun's spray mode and flow, for example, when extinguishing long-distance fire sources, high-speed and concentrated straight flow is needed to improve the range and accuracy, while facing large area burning objects or areas prone to rekindling, atomized water spray is needed to cover a wider range and cool the fire source quickly, however, the fire water gun in the prior art is difficult to accurately adjust the water flow speed and flow according to the demand in actual use, which leads to the difficulty in meeting the diversified fire fighting requirements of the spray effect, affecting the fire extinguishing efficiency,

[0003] In addition, in actual operation, firefighters usually need to quickly switch the spray mode to adapt to the real-time changes of the fire environment, however, many water guns have the problems of inconvenient operation or limited adjustment range when adjusting the water flow mode and flow, which cannot realize flexible and efficient water flow control, especially under the action of high-pressure water flow, the stability and accuracy of the device operation are difficult to guarantee, which not only increases the operation difficulty, but also may cause hidden dangers to the safety of firefighters. SUMMARY

[0004] (I) Technical problem solved

[0005] In view of the problems existing in the prior art, the utility model provides a multifunctional fire water gun to solve the technical problem that the fire water gun in the prior art mentioned in the background art is difficult to accurately adjust the water flow speed and flow according to the demand in actual use, which leads to the difficulty in meeting the diversified fire fighting requirements of the spray effect.

[0006] (II) Technical scheme

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a multifunctional fire water gun, comprising a gun body, a spray head is arranged at the top end of the gun body, a flow control mechanism is arranged between the gun body and the spray head, the flow control mechanism comprises a connecting sleeve, an adjusting sleeve, a connecting plate, a center rod, a control sleeve, a row hole, a sealing sleeve and a connecting ring, the connecting sleeve is installed on the spray head, the adjusting sleeve is rotationally connected with the gun body and the connecting sleeve, the connecting plate is provided with a plurality of groups installed in the adjusting sleeve, the center rod is installed at the bottom end of the plurality of connecting plates, the control sleeve is installed in the connecting sleeve, the row hole is arranged on the outer wall of the control sleeve, the sealing sleeve slides in the control sleeve, the connecting ring is installed at the bottom end of the sealing sleeve and is movably connected with the center rod, a spiral groove is formed in the outer wall of the center rod, a sliding block is installed on the inner wall of the connecting ring, and the sliding block slides in the spiral groove.

[0008] The utility model further sets up, connecting sleeve and gun body between connection is equipped with fixed link, fixed link sets up many groups, the design through many groups fixed link's setting, strengthened the fixed stability between connecting sleeve and gun body, can effectively avoid because high pressure water flow or external force leads to structural looseness or separation, thereby improve the reliability and service life of water gun whole, many groups design of fixed link can further disperse stress, reduce single point stress's damage influence to structure.

[0009] The utility model further sets up, the bottom of center pole and control sleeve rotation connects, the design makes that center pole can rotate flexibly, realizes the sliding adjustment of seal cover through rotation control sleeve, guarantees the flexibility and high efficiency of flow control mechanism, reduces the friction force through the mode of rotation connection, reduces the operation resistance, makes the fireman can more easily carry out water flow adjustment operation.

[0010] The utility model further sets up, the outer wall of seal cover is equipped with guide strip, the inner wall of control sleeve is equipped with guide groove, guide strip and guide groove set up many groups and slide connection, the design realizes the direction stability of seal cover sliding through the many groups setting of guide strip and guide groove, can effectively prevent the deviation or jamming phenomenon of seal cover in the adjustment process, ensure the accuracy and fluency of water flow adjustment, many groups design improves the stability of seal cover sliding, make the adjustment process more reliable.

[0011] The utility model further sets up, the sliding block and spiral groove all set up two groups and slide connection, the design through two groups sliding block and spiral groove's slide connection, the rotation of center pole can be more evenly converted into the linear sliding of seal cover, improve the adjustment precision of flow control mechanism, double group design strengthens the cooperation intensity of connecting ring and center pole, effectively avoid the uneven stress and jamming problem that single point slide connection can cause, thereby improve the durability and stability of overall structure.

[0012] The utility model further sets up, the outer wall of gun body is equipped with handle, the bottom of gun body is equipped with connecting head, the design improves the operability of fire water gun through setting handle, convenient fireman grasps and accurately controls water gun direction, promotes the comfort and efficiency of use, the setting of connecting head provides the convenience for the quick connection of water gun and external water source, guarantees water flow supply's stability and high efficiency simultaneously, thereby adapt to the demand of different use scene.

[0013] The utility model further sets up, set up the limiting mechanism on the adjusting cover, the limiting mechanism includes positioning hole, locating piece, tension spring, push spring and lock sleeve, positioning hole is provided with a plurality of groups distribution in the connecting sleeve outer wall, locating piece is provided with a plurality of groups sliding on the adjusting cover, and tension spring is installed in a plurality of locating piece top and is connected with locating piece top, and push spring is provided with a plurality of groups and is installed on the connecting sleeve, and lock sleeve is installed in a plurality of push spring top, and the design realizes the reliable limiting function of adjusting cover through a plurality of settings of limiting mechanism, and locating piece can be firmly embedded in positioning hole under the action of push spring, thereby preventing the stability of water flow regulation due to accidental rotation of adjusting cover, and the cooperation of tension spring and push spring makes limiting mechanism can quickly remove the limiting, and can reset quickly after operation is completed, thereby ensuring the operation flexibility and safety of adjusting cover.

[0014] The utility model further sets up, the connecting sleeve outer wall is equipped with the limiting strip, the limiting strip is provided with a plurality of groups of sliding connection limiting sleeve, and the design realizes the stable positioning of connecting sleeve outer wall through a plurality of sliding connections of limiting strip and limiting sleeve, can effectively prevent the displacement of adjusting cover due to vibration or external force under non-operation state, thereby further improve the stability and durability of flow control mechanism, and a plurality of limiting designs also enhance the use reliability of water gun in high pressure environment, meet the demand of complex fire extinguishing scene.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the utility model provides a kind of multifunctional fire water gun, with following beneficial effects:

[0017] 1, flow control mechanism is cooperated by connecting sleeve, adjusting cover, connecting plate, center rod, control sleeve, row hole, seal cover and connecting ring, so that the flow rate and flow of water flow can be accurately adjusted, when rotating adjusting cover, connecting plate drives center rod to rotate, center rod is cooperated by the spiral groove of its outer wall and the slider of connecting ring inner wall, drives seal cover to slide along control sleeve, simultaneously, seal cover is slidably connected by guide bar and control sleeve inner wall guide groove, can realize the accurate control of seal cover to row hole plugging area, by changing the opening area of row hole, not only water flow passage area can be adjusted, but also direct current injection and atomization injection mode switching can be realized, to adapt to multiple fire fighting scene demand, for example, high-speed direct current water column is used for long-distance fire extinguishing, atomization injection is used for large-area cooling, and function is more flexible and efficient.

[0018] 2、The design of the sliding block and the spiral groove can accurately convert the rotation of the center rod into the linear sliding of the sealing sleeve, ensure the stability and accuracy of the adjustment process, the double configuration of the sliding block and the spiral groove improves the cooperation stability of the connecting ring and the center rod, can maintain good working performance in a high-pressure water flow environment, avoid operation errors or jamming caused by single-point stress, and the structure design can effectively reduce the operation force, so that the fire personnel can easily adjust the water flow mode and flow, and the operation is more labor-saving and convenient.

[0019] 3、The limiting mechanism realizes effective limiting and quick unlocking functions of the adjusting sleeve through cooperation of the positioning hole, the positioning block, the tension spring, the push spring and the lock sleeve, the positioning block is fixed in the positioning hole of the connecting sleeve through the action of the push spring, prevents accidental rotation of the adjusting sleeve in a non-operation state, and ensures the safety and stability of the water gun during use; and through the action of the tension spring, the limiting mechanism can quickly release the locking when needed, which is convenient for the fire personnel to quickly adjust the water spraying mode, the limiting mechanism not only has simple structure and high reliability, but also can greatly improve the operation efficiency and safety performance of the water gun, and is very suitable for use in emergency rescue scenes. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of a multifunctional fire-fighting water gun in the utility model;

[0021] Figure 2 It is a sectional structure schematic view of a control flow mechanism in the utility model;

[0022] Figure 3 It is a sectional structure schematic view of a connecting sleeve in the utility model;

[0023] Figure 4 It is a sectional structure schematic view of a control sleeve in the utility model;

[0024] Figure 5 It is a sectional structure schematic view of a connecting ring in the utility model.

[0025] In the drawing: 1, gun body; 2, spray head; 3, connecting sleeve; 4, adjusting sleeve; 5, connecting plate; 6, center rod; 7, control sleeve; 8, row hole; 9, sealing sleeve; 10, connecting ring; 11, spiral groove; 12, sliding block; 13, fixed rod; 14, guide strip; 15, guide groove; 16, handle; 17, connecting head; 18, positioning hole; 19, positioning block; 20, tension spring; 21, push spring; 22, lock sleeve; 23, limiting strip. DETAILED DESCRIPTION

[0026] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0027] It should be noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0028] In the utility model, unless otherwise indicated, the orientation such as "up, down" is generally directed to the direction shown in the drawing, or is directed to the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is generally directed to the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.

[0029] Please refer to Figures 1-5 A multifunctional fire-fighting lance, comprising a lance body 1, a spray head 2 is arranged at the top end of the lance body 1, a flow control mechanism is arranged between the lance body 1 and the spray head 2, the flow control mechanism comprises a connecting sleeve 3, an adjusting sleeve 4, a connecting plate 5, a center rod 6, a control sleeve 7, a row hole 8, a sealing sleeve 9 and a connecting ring 10, the connecting sleeve 3 is installed on the spray head 2, the adjusting sleeve 4 is rotationally connected with the lance body 1 and the connecting sleeve 3, the connecting plate 5 is provided with a plurality of groups which are installed in the adjusting sleeve 4, the center rod 6 is installed at the bottom end of the plurality of connecting plates 5, the control sleeve 7 is installed in the connecting sleeve 3, the row hole 8 is arranged on the outer wall of the control sleeve 7, the sealing sleeve 9 is slidably arranged in the control sleeve 7, the connecting ring 10 is installed at the bottom end of the sealing sleeve 9 and is movably connected with the center rod 6, a spiral groove 11 is formed in the outer wall of the center rod 6, a sliding block 12 is installed on the inner wall of the connecting ring 10, and the sliding block 12 is slidably arranged in the spiral groove 11.

[0030] A fixing rod 13 is arranged between the connecting sleeve 3 and the lance body 1.

[0031] The bottom end of the center rod 6 is rotationally connected with the control sleeve 7.

[0032] A guide strip 14 is arranged on the outer wall of the sealing sleeve 9, a guide groove 15 is formed in the inner wall of the control sleeve 7, and the guide strip 14 and the guide groove 15 are provided with a plurality of groups and are slidably connected.

[0033] The sliding block 12 and the spiral groove 11 are provided with two groups and are slidably connected.

[0034] A handle 16 is installed on the outer wall of the lance body 1, and a connecting head 17 is installed at the bottom end of the lance body 1.

[0035] A limiting strip 23 is installed on the outer wall of the connecting sleeve 3, and the limiting strip 23 is provided with a plurality of groups of limiting sleeves which are slidably connected.

[0036] In this embodiment, when the flow rate of water needs to be adjusted, the locking of the adjusting sleeve 4 by the limiting mechanism is released, the adjusting sleeve 4 is rotated to drive the multiple sets of connecting plates 5 to rotate, the multiple sets of connecting plates 5 drive the central rod 6 to rotate, the rotation of the central rod 6 drives the sliding block 12 installed on the inner wall of the connecting ring 10 to slide along the spiral groove 11, thereby driving the sealing sleeve 9 to slide along the control sleeve 7, and the sealing sleeve 9 slides along the guide groove 15 through the guide plate, thereby changing the plugging area of the sealing sleeve 9 to the multiple rows of holes 8, controlling the passage area of the water flow, and achieving the adjustment of the water flow and the spraying mode. When the holes 8 are completely exposed, the water flow is sprayed at high speed in a straight line, which is used to extinguish a long-distance fire source, and when the holes 8 are completely closed by the sealing sleeve 9, the water spraying is stopped.

[0037] Please refer to Figure 3 As an embodiment of the limiting mechanism, the adjusting sleeve 4 is provided with a limiting mechanism, which includes a positioning hole 18, a positioning block 19, a pull spring 20, a push spring 21, and a locking sleeve 22. The positioning hole 18 is provided with multiple sets of distributed connecting sleeves 3 on the outer wall, the positioning block 19 is provided with multiple sets of sliding on the adjusting sleeve 4, the pull spring 20 is installed at the top end of the multiple sets of positioning blocks 19 and connected with the top end of the positioning block 19, the push spring 21 is provided with multiple sets of installed on the connecting sleeve 3, and the locking sleeve 22 is installed at the top end of the multiple sets of push springs 21.

[0038] More specifically, the limiting sleeve is pulled to slide along the limiting plate and extrude the multiple sets of push springs 21, so that the limiting sleeve releases the abutment to the top end of the multiple sets of positioning blocks 19. The positioning block 19 is pulled to move outward by the elastic reset of the multiple sets of pull springs 20, so that the multiple sets of positioning blocks 19 move out of the positioning hole 18 and release the locking of the adjusting sleeve 4. Then the adjusting sleeve 4 can be rotated. When the adjustment is completed, the limiting sleeve is loosened, the limiting sleeve is pushed to slide along the limiting plate by the multiple sets of push springs 21, and the top end of the multiple sets of positioning blocks 19 is abutted and pushed, so that the bottom end of the multiple sets of positioning blocks 19 is clamped in the positioning hole 18 and extrudes the multiple sets of pull springs 20, and the locking of the adjusting sleeve 4 is completed.

[0039] In summary, when the flow rate of water needs to be adjusted, the locking of the adjusting sleeve 4 by the limiting mechanism is released, the adjusting sleeve 4 is rotated to drive the multiple sets of connecting plates 5 to rotate, the multiple sets of connecting plates 5 drive the central rod 6 to rotate, the rotation of the central rod 6 drives the sliding block 12 installed on the inner wall of the connecting ring 10 to slide along the spiral groove 11, thereby driving the sealing sleeve 9 to slide along the control sleeve 7, and the sealing sleeve 9 slides along the guide groove 15 through the guide plate, thereby changing the plugging area of the sealing sleeve 9 to the multiple rows of holes 8, controlling the passage area of the water flow, and achieving the adjustment of the water flow and the spraying mode. When the holes 8 are completely exposed, the water flow is sprayed at high speed in a straight line, which is used to extinguish a long-distance fire source, and when the holes 8 are completely closed by the sealing sleeve 9, the water spraying is stopped.

[0040] Pull the limiting sleeve along the limiting plate and extrude the plurality of push springs 21, so that the limiting sleeve removes the abutment on the top end of the plurality of positioning blocks 19, through the elastic reset of the plurality of pull springs 20, pull the positioning block 19 to move outward, so that the plurality of positioning blocks 19 move out of the positioning hole 18, remove the locking of the adjusting sleeve 4, then you can rotate the adjusting sleeve 4, when the adjustment is completed, loosen the limiting sleeve, push the limiting sleeve along the limiting plate through the plurality of push springs 21, and abut and push the top end of the plurality of positioning blocks 19, so that the bottom end of the plurality of positioning blocks 19 is clamped in the positioning hole 18 and extrudes the plurality of pull springs 20, complete the locking of the adjusting sleeve 4.

[0041] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the welding is preferred when the fixed connection is mentioned above, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-functional fire hose reel, comprising a hose body (1), characterized in that: The gun body (1) is provided with a nozzle (2) at its top. A flow control mechanism is provided between the gun body (1) and the nozzle (2). The flow control mechanism includes a connecting sleeve (3), an adjusting sleeve (4), a connecting plate (5), a center rod (6), a control sleeve (7), a drain hole (8), a sealing sleeve (9), and a connecting ring (10). The connecting sleeve (3) is installed on the nozzle (2). The adjusting sleeve (4) rotatably connects the gun body (1) and the connecting sleeve (3). The connecting plate (5) is provided with multiple sets of components installed on the adjusting sleeve (4). Inside, the center rod (6) is installed at the bottom of multiple connecting plates (5), the control sleeve (7) is installed inside the connecting sleeve (3), the drain hole (8) is set on the outer wall of the control sleeve (7), the sealing sleeve (9) slides inside the control sleeve (7), the connecting ring (10) is installed at the bottom of the sealing sleeve (9) and is movably connected to the center rod (6), the outer wall of the center rod (6) is provided with a spiral groove (11), the inner wall of the connecting ring (10) is provided with a slider (12), and the slider (12) slides in the spiral groove (11).

2. A multi-functional fire hose reel according to claim 1, characterized in that: A fixing rod (13) is provided between the connecting sleeve (3) and the gun body (1), and multiple sets of fixing rods (13) are provided.

3. A multi-functional fire hose reel according to claim 2, characterized in that: The bottom end of the central rod (6) is rotatably connected to the control sleeve (7).

4. A multi-functional fire hose reel according to claim 3, characterized in that: The outer wall of the cover (9) is provided with a guide strip (14), and the inner wall of the control sleeve (7) is provided with a guide groove (15). The guide strip (14) and the guide groove (15) are provided in multiple sets and are slidably connected.

5. A multi-functional fire hose reel according to claim 4, characterized in that: The slider (12) and the spiral groove (11) are both provided in two sets and are slidably connected.

6. A multi-functional fire hose reel according to claim 5, characterized in that: A handle (16) is installed on the outer wall of the gun body (1), and a connector (17) is installed at the bottom end of the gun body (1).

7. A multi-functional fire hose reel according to claim 6, characterized in that: The adjusting sleeve (4) is provided with a limiting mechanism, which includes a positioning hole (18), a positioning block (19), a tension spring (20), a push spring (21), and a locking sleeve (22). The positioning hole (18) is provided in multiple sets distributed on the outer wall of the connecting sleeve (3). The positioning block (19) is provided in multiple sets that slide on the adjusting sleeve (4). The tension spring (20) is installed on the top of the multiple sets of positioning blocks (19) and connected to the top of the positioning blocks (19). The push spring (21) is provided in multiple sets that are installed on the connecting sleeve (3). The locking sleeve (22) is installed on the top of the multiple sets of push springs (21).

8. A multi-functional fire hose reel according to claim 7, characterized in that: The outer wall of the connecting sleeve (3) is provided with a limiting strip (23), and the limiting strip (23) is provided with multiple sets of sliding connecting limiting sleeves.

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