A winding device for a portable fire hose

Abstract

The present invention discloses a winding device for a portable fire hose. The winding device for the portable fire hose includes a base, a rotating shaft is arranged in the middle of the base, an automatic driving mechanism for driving its rotation is arranged on one side of the rotating shaft extending into the base, the automatic driving mechanism includes a pistol drill, the output end of the pistol drill is connected to a first square sleeve, the first square sleeve is rotatably connected to the base, a driving gear is sleeved on the outside of the first square sleeve, the driving gear is connected to a driven gear through a chain, the driven gear is sleeved on the middle of the rotating shaft, a winding mechanism is fixedly arranged on one side of the rotating shaft extending out of the base, the winding mechanism includes a first connecting plate sleeved on the rotating shaft, winding rods are arranged at both ends of the first connecting plate, guiding mechanisms are arranged on both sides of the winding rods, the guiding mechanisms include second connecting plates on both sides of the base, and squeezing rods are arranged at both ends of the second connecting plates. The present invention solves the problems of manual winding, which is time-consuming and laborious, and additionally increases the workload of firefighters.

Description

Technical Field

[0001] The invention relates to the technical field of fire fighting, in particular to a reeling device for a portable fire hose. Background Art

[0002] The fire hose is a commonly used fire-fighting equipment. When not in use, the hose is rolled into a disc, which makes it convenient to open the hose promptly and quickly and connect it to the fire hydrant or fire truck and the water gun head when used. After the hose is used, it needs to be rolled up and recovered to reduce space for the next use.

[0003] At present, the winding of fire hoses is done manually, and fire fighters are already very tired after fire fighting. Manual winding and winding of the hoses is time-consuming and laborious, which increases the workload of fire fighters. Summary of the invention

[0004] The purpose of the present invention is to provide a portable fire hose reeling device which is convenient to operate, improves work efficiency and reduces the workload of firefighters in view of the deficiencies in the prior art.

[0005] To achieve the above object, the technical solution adopted by the reeling device of the portable fire hose of the present invention is:

[0006] A reeling device for a portable fire hose comprises a base, a rotating shaft is arranged in the middle of the base, an automatic driving mechanism for driving the rotating shaft to rotate is arranged on one side of the rotating shaft extending into the base, the automatic driving mechanism comprises a pistol drill, an output end of the pistol drill is connected with a first square sleeve, the first square sleeve is rotatably connected to the base, a driving gear is sleeved on the outer side of the first square sleeve, the driving gear is connected with a driven gear through a chain, the driven gear is sleeved on the middle of the rotating shaft, a reeling mechanism is fixedly connected on one side of the rotating shaft extending out of the base, the reeling mechanism comprises a first connecting plate sleeved with the rotating shaft, reeling rods are arranged at both ends of the first connecting plate, guide mechanisms are arranged on both sides of the reeling rod, the guide mechanism comprises a second connecting plate located at both sides of the base, and water squeezing rods are arranged at both ends of the second connecting plate. The middle part of the fire hose is shuttled between the winding rod and the water squeezing rod in a wave shape. After the output end of the pistol drill is inserted into the first square sleeve and started, the driving gear drives the driven gear through the chain transmission, and the winding rod rotates accordingly. The fire hoses on both sides are guided by the water squeezing rod and the accumulated water in the fire hoses is drained and then the winding is completed.

[0007] Preferably, a storage device for storing a fire hose is hinged on one side of the base, spring positioning pins are arranged on both sides of the base, the spring positioning pins are on the same side as the water squeezing rod, and the storage device is provided with an ear plate that cooperates with the spring positioning pins. When idle, the flip base is in a vertical state, and the spring positioning pins are inserted into the ear plates; when working, the spring positioning pins are pulled out of the ear plates, and the flip base is placed on the ground to reel in the fire hose.

[0008] Preferably, the storage device includes a first bracket and a second bracket parallel to each other, a first walking wheel is provided at the bottom of the first bracket, a second walking wheel is provided at the bottom of the second bracket, the second walking wheel is a brakeable walking wheel, the first bracket and the second bracket are connected as a whole by two symmetrical extension components, the extension component includes a first connecting rod, the lower end of the first connecting rod is hinged to the lower part of the first bracket, the middle part of the first connecting rod is hinged to the second connecting rod, the upper part of the second connecting rod is hinged to the third connecting rod, the other end of the third connecting rod is provided with a first waist-shaped hole, a first bolt is inserted into the first waist-shaped hole, the first bolt is fixed to the first bracket, and the lower end of the second connecting rod is hinged to a The fourth connecting rod, the middle part of the fourth connecting rod is hinged with a fifth connecting rod parallel to the second connecting rod, the upper end of the fifth connecting rod is hinged with the upper end of the first connecting rod, the lower end of the fifth connecting rod is hinged to the lower part of the second bracket, the upper part of the fourth connecting rod is hinged with a sixth connecting rod, the other end of the sixth connecting rod is provided with a second waist-shaped hole, a second bolt is inserted into the second waist-shaped hole, the second bolt is fixed to the second bracket, a first driving rod is arranged between the upper ends of the two second connecting rods, a second driving rod is arranged between the upper ends of the two fourth connecting rods, the first driving rod and the second driving rod are sleeved with a bag body for storing a fire hose, and the bag body is perpendicular to the first bracket and is provided with support bags for inserting the first connecting rod and the fifth connecting rod. When the first driving rod and the second driving rod are closed, the storage device is in a closed state, which reduces the occupied space and is convenient for storage; when the first driving rod and the second driving rod are pulled apart, the storage device is in an open state and can be used to store the fire hose.

[0009] Preferably, the bottom of the bag body is provided with a symmetrical first bottom frame and a second bottom frame, one side of the first bottom frame is hinged to the first bracket, the other side of the first bottom frame is hinged to the second bottom frame, and the other side of the second bottom frame is hinged to the second bracket. The first bottom frame and the second bottom frame provide support for the bag body to carry the fire hose, so as to prevent the bag body from being damaged due to excessive weight.

[0010] Preferably, tool bags are arranged on both sides of the bag body parallel to the first bracket. The tool bags can store tools such as pistol drills and wrenches.

[0011] Preferably, a reversing mechanism is provided at the bottom of the second connecting plate, the reversing mechanism comprises a reversing sleeve fixed to the base, a telescopic rod is slidably connected in the reversing sleeve, one side of the telescopic rod extending out of the reversing sleeve is fixed to the second connecting plate, a limit rod is provided at one end of the telescopic rod inserted into the reversing sleeve, the diameter of the limit rod is smaller than the diameter of the telescopic rod, a spring is sleeved on the outer side of the limit rod, a boss for blocking the spring is provided on the inner wall of the reversing sleeve, a limit pin is provided on one side of the boss of the limit rod, a first slide groove for sliding movement of the limit pin is provided on the side wall of the reversing sleeve, the opening direction of the first slide groove is parallel to the axis of the water squeezing rod, the first slide groove is connected to the second slide groove through the reversing groove, and the opening direction of the second slide groove is perpendicular to the axis of the water squeezing rod. When the limit pin slides into the first slide groove, the axis of the water squeezing rod is perpendicular to the base and enters the working state; when the limit pin slides into the second slide groove, the axis of the water squeezing rod is parallel to the base and enters the storage state.

[0012] Preferably, the rotating shaft includes a second square sleeve sleeved on the inner side of the driven gear, the second square sleeve is sleeved with a conversion joint, and the conversion joint is sleeved on the middle part of the first connecting plate. The conversion joint is modified from the accessories of the ratchet wrench, which is convenient for assembling and disassembling the winding rod, thereby facilitating storage and carrying.

[0013] Preferably, the diameter of the driven gear is smaller than the diameter of the driving gear. The high speed and low load of the pistol drill is converted into the low speed and high load of the reeling rod, which is convenient for reeling in the fire hose.

[0014] Preferably, the winding rod is provided with a manual drive mechanism, which includes a third connecting plate, the bottom two sides of the third connecting plate are provided with drive sleeves for receiving the winding rod, and the top of the third connecting plate is provided with a third square sleeve, which is used to connect a wrench. When the gun drills an accident, the manual drive mechanism can be used to reel in the fire hose.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1. The middle part of the fire hose is passed between the reeling rod and the water squeezing rod in a wave shape, and the reeling is completed through the automatic drive mechanism. The operation is convenient, the work efficiency is improved, and the workload of fire fighters is reduced;

[0017] 2. The reeling device is hinged to the storage device, and the storage device is foldable, which reduces the volume and is more convenient for the fire truck to carry and for the fire fighters to carry to the fire scene;

[0018] 3. The reeling rod is easy to disassemble and can be removed when not in use to avoid interference with the bag body. The water squeezing rod can be rotated to be flush with the base to avoid scratches, making it easier to store and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1It is a schematic diagram of the deployment of a reeling device for a portable fire hose;

[0020] Figure 2 This is a bottom view of the base;

[0021] Figure 3 yes Figure 2 AA section view;

[0022] Figure 4 yes Figure 2 BB cross-sectional view;

[0023] Figure 5 yes Figure 4 Enlarged view of point C;

[0024] Figure 6 yes Figure 4 The enlarged view of point D;

[0025] Figure 7 It is a structural schematic diagram of the automatic drive mechanism;

[0026] Figure 8 It is a structural diagram of the reversing mechanism;

[0027] Fig. 9 It is a schematic diagram of the structure of the storage device (including the bag body);

[0028] Fig.10 It is a schematic diagram of the structure of the storage device (excluding the bag body);

[0029] Fig.11 It is a structural schematic diagram of a manual drive mechanism;

[0030] Fig.12 The present invention is a schematic diagram of the reeling device of a portable fire hose.

[0031] Among them, 1 base, 11 second clamp, 12 second bearing, 13 second bearing seat, 14 first clamp, 15 first bearing, 16 first bearing seat, 17 spring positioning pin, 2 rotating shaft, 21 second square sleeve, 22 conversion joint, 3 automatic drive mechanism, 31 pistol drill, 32 first square sleeve, 33 driving gear, 34 chain, 35 driven gear, 4 winding mechanism, 41 first connecting plate, 42 winding rod, 5 guide mechanism, 51 second connecting plate, 52 water squeezing rod, 6 reversing mechanism, 61 reversing sleeve, 62 telescopic rod, 63 limit rod, 64 spring, 65 boss, 66 limit pin, 67 first slide groove, 68 reversing groove, 69 second slide Groove, 7 storage device, 71 first bracket, 711 first walking wheel, 712 first bolt, 713 ear plate, 72 second bracket, 721 second walking wheel, 722 second bolt, 73 extension assembly, 731 first connecting rod, 732 second connecting rod, 733 third connecting rod, 7331 first waist-shaped hole, 734 fourth connecting rod, 735 fifth connecting rod, 736 sixth connecting rod, 7361 second waist-shaped hole, 737 first driving rod, 738 second driving rod, 74 bag body, 741 support bag, 742 tool bag, 75 first bottom frame, 76 second bottom frame, 8 manual drive mechanism, 81 third connecting plate, 82 driving sleeve, 83 third square sleeve. DETAILED DESCRIPTION

[0032] The present invention is further explained below in conjunction with the accompanying drawings and specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0033] like Figure 1-12As shown, a portable fire hose winding device comprises a base 1, a rotating shaft 2 is arranged in the middle of the base, the rotating shaft comprises a second square sleeve 21, the second square sleeve is sleeved with a conversion joint 22, the conversion joint is modified from the accessories of a ratchet wrench, and can be quickly disassembled and assembled with the second square sleeve, the lower part of the second square sleeve is fixedly connected to the second bearing 12 through a second clamp 11, the second bearing is fixedly connected to the middle part of the base through a second bearing seat 13, the base is arranged with an automatic driving mechanism 3 for driving the second square sleeve to rotate, the automatic driving mechanism comprises a pistol drill 31, the output end of the pistol drill is connected to the first square sleeve 32, the lower part of the first square sleeve is fixedly connected to the first bearing 15 through a first clamp 14, the first bearing is fixedly connected to the left side of the base through a first bearing seat 16, and the first The upper part of the square sleeve is sleeved with a driving gear 33, and the driving gear is connected to a driven gear 35 through a chain 34. The diameter of the driven gear is smaller than that of the driving gear, which converts the high speed and low load of the pistol drill into the low speed and high load of the winding rod, so as to facilitate the winding of the fire hose. The driven gear is sleeved on the upper part of the second square sleeve, and the outer wall of the conversion joint is fixed with a winding mechanism 4. The winding mechanism includes a first connecting plate 41, and the winding rods 42 are symmetrically welded at both ends of the first connecting plate. The guide mechanism 5 is symmetrically arranged on the front and rear sides of the base. The guide mechanism includes a second connecting plate 51, and the midpoint line of the two second connecting plates passes through the axis of the conversion joint. The two ends of the top of the second connecting plate are symmetrically welded with water squeezing rods 52, and the bottom of the second connecting plate is arranged with a reversing mechanism 6, which includes a reversing mechanism fixed to the base. The sleeve 61 is slidably connected to the telescopic rod 62 in the reversing sleeve. The telescopic rod extends out of the reversing sleeve and is fixed to the second connecting plate. The end of the telescopic rod inserted into the reversing sleeve is integrally formed with a limit rod 63. The diameter of the limit rod is smaller than the diameter of the telescopic rod. The outer side of the limit rod is sleeved with a spring 64. The inner wall of the reversing sleeve is integrally formed with a boss 65 for blocking the spring. The limit rod is threadedly connected to a limit pin 66 on one side of the boss. The side wall of the reversing sleeve is provided with a first slide groove 67 for the limit pin to slide. The opening direction of the first slide groove is parallel to the axis of the water squeezing rod. The first slide groove is connected to the second slide groove 69 through the reversing groove 68. The opening direction of the second slide groove is perpendicular to the axis of the water squeezing rod. The right side of the base is hinged with a storage device 7 for storing fire hoses. The storage device includes first brackets 7 parallel to each other. 1 and a second bracket 72, a first running wheel 711 is installed at the bottom of the first bracket, a second running wheel 721 is installed at the bottom of the second bracket, the second running wheel is a brakeable running wheel, the first bracket and the second bracket are connected as a whole through two symmetrical extension components 73, the extension component includes a first connecting rod 731, the lower end of the first connecting rod is hinged to the lower part of the first bracket, the middle part of the first connecting rod is hinged to the second connecting rod 732, the upper part of the second connecting rod is hinged to the third connecting rod 733, the left end of the third connecting rod is provided with a first waist-shaped hole 7331, the first waist-shaped hole is inserted into the first waist-shaped hole, the first bolt is fixed to the first bracket, the lower end of the second connecting rod is hinged to the fourth connecting rod 734 parallel to the first connecting rod, the middle part of the fourth connecting rod is hinged to the fifth connecting rod 735 parallel to the second connecting rod,The upper end of the fifth connecting rod is hinged to the upper end of the first connecting rod, the lower end of the fifth connecting rod is hinged to the lower part of the second bracket, the upper part of the fourth connecting rod is hinged to the sixth connecting rod 736, the right end of the sixth connecting rod is provided with a second waist-shaped hole 7361, the second bolt 722 is inserted into the second waist-shaped hole, the second bolt is fixed to the second bracket, the first driving rod 737 is fixed between the upper ends of the two second connecting rods, the second driving rod 738 is fixed between the upper ends of the two fourth connecting rods, the first driving rod and the second driving rod are sleeved with a bag body 74 for storing fire hoses, the bag body is perpendicular to the two sides of the first bracket and sewn with a support bag 741 into which the first connecting rod and the fifth connecting rod are inserted, the bag body is parallel to the two sides of the first bracket and sewn with a tool bag 742, the tool bag can store tools such as pistol drills and wrenches, and the bottom of the bag body is symmetrically arranged with the second A bottom frame 75 and a second bottom frame 76, the left side of the first bottom frame is hinged to the first bracket, the right side is hinged to the second bottom frame, and the right side of the second bottom frame is hinged to the second bracket. The first bottom frame and the second bottom frame provide support for the bag body to carry the fire hose to prevent the bag body from being damaged by overweight. Spring positioning pins 17 are installed on the front and rear sides of the base, and the first bracket is installed with an ear plate 713 that cooperates with the spring positioning pin. The winding rod is also arranged with a manual drive mechanism 8, which includes a third connecting plate 81. The bottom two sides of the third connecting plate are symmetrically welded with a drive sleeve 82 for receiving the winding rod, and the third square sleeve 83 is welded at the top center of the third connecting plate. The third square sleeve is used to connect a wrench. When the gun drills out an accident, the manual drive mechanism can be used to reel in the fire hose.

[0034] The specific working process and principle of a portable fire hose reeling device: when in an idle state, the reeling device and the storage device are both in a folded state, occupying a small space and being easy to carry; when work is needed, the first drive rod and the second drive rod are separated, the extension assembly is unfolded, the first bracket and the second bracket are stretched open, the telescopic rod is pushed inward, the spring is compressed until the limit pin slides to the reversing groove, the telescopic rod is rotated, the limit pin slides from the intersection of the second slide groove and the reversing groove to the intersection of the first slide groove and the reversing groove, the telescopic rod is released, the limit pin slides to the bottom of the first slide groove, and the reversing groove is rotated. The squeezing rod is fixed at a 90° angle to the base, the spring positioning pins on both sides are pulled, the base is turned over, the base is laid flat on the ground, the conversion joint is inserted into the second square sleeve, a small section of the middle of the fire hose laid flat on the ground is interspersed between the reeling rod and the squeezing rods on both sides in a wave-like manner, and attention is paid to draining the accumulated water in this small section of the fire hose, and the pistol drill is used to rotate the first square sleeve, the driving gear is transmitted to the driven gear through the chain, the two reeling rods are rotated and the fire hose is stored in a disc shape under the action of the squeezing rods on both sides, and the disc-shaped fire hose is removed and placed in the bag. If the pistol drill runs out of power or other unexpected situations occur, a manual drive mechanism can be used, that is, the drive sleeve is correspondingly connected to the reeling rod, and the wrench is inserted into the third square sleeve for manual reeling. The present invention is easy to operate, improves work efficiency, greatly reduces the workload of firefighters, does not take up space, is light in weight, and is easy to carry.

Claims

1. A winding device for a portable fire hose, Characterized in that: It includes a base, a rotating shaft is arranged in the middle of the base. The rotating shaft includes a second square sleeve, and the second square sleeve is sleeved with a conversion joint. The conversion joint is modified from the fittings of a ratchet wrench and can be quickly disassembled and assembled with the second square sleeve. On one side where the rotating shaft extends into the base, there is an automatic driving mechanism for driving it to rotate. The automatic driving mechanism includes a pistol drill. The output end of the pistol drill is connected with a first square sleeve. The first square sleeve is rotatably connected to the base. A driving gear is sleeved outside the first square sleeve. The driving gear is connected with a driven gear through a chain. The driven gear is sleeved on the middle part of the rotating shaft. On the side where the rotating shaft extends out of the base, a winding mechanism is fixedly connected. The winding mechanism includes a first connecting plate sleeved with the rotating shaft. Winding rods are arranged at both ends of the first connecting plate. Guide mechanisms are arranged on both sides of the winding rods. The guide mechanisms include second connecting plates on both sides of the base. Squeezing rods are arranged at both ends of the second connecting plate. A storage device for storing the fire hose is hinged on one side of the base. Spring positioning pins are arranged on both sides of the base, and the spring positioning pins are on the same side as the squeezing rods. The storage device is provided with ear plates that cooperate with the spring positioning pins. A reversing mechanism is arranged at the bottom of the second connecting plate. The reversing mechanism includes a reversing sleeve fixedly connected to the base. A telescopic rod is slidably connected in the reversing sleeve. One side of the telescopic rod extending out of the reversing sleeve is fixedly connected with the second connecting plate. A limiting rod is arranged at one end of the telescopic rod inserted into the reversing sleeve. The diameter of the limiting rod is smaller than that of the telescopic rod. A spring is sleeved outside the limiting rod. A boss for blocking the spring is arranged on the inner wall of the reversing sleeve. A limiting pin is arranged on one side of the limiting rod adjacent to the boss. A first chute for the limiting pin to slide is opened on the side wall of the reversing sleeve. The opening direction of the first chute is parallel to the axis of the squeezing rod. The first chute is communicated with a second chute through a reversing chute. The opening direction of the second chute is perpendicular to the axis of the squeezing rod.

2. The winding device for a portable fire hose according to claim 1, Characterized in that: The storage device includes a first bracket and a second bracket that are parallel to each other. A first traveling wheel is provided at the bottom of the first bracket, and a second traveling wheel is provided at the bottom of the second bracket. The second traveling wheel is a brakeable traveling wheel. The first bracket and the second bracket are connected into one body by two symmetric stretching components. The stretching component includes a first connecting rod. The lower end of the first connecting rod is hinged to the lower part of the first bracket. A second connecting rod is hinged to the middle of the first connecting rod. A third connecting rod is hinged to the upper part of the second connecting rod. A first waist-shaped hole is provided at the other end of the third connecting rod. A first bolt is inserted into the first waist-shaped hole, and the first bolt is fixedly connected to the first bracket. A fourth connecting rod parallel to the first connecting rod is hinged to the lower end of the second connecting rod. A fifth connecting rod parallel to the second connecting rod is hinged to the middle of the fourth connecting rod. The upper end of the fifth connecting rod is hinged to the upper end of the first connecting rod, and the lower end of the fifth connecting rod is hinged to the lower part of the second bracket. A sixth connecting rod is hinged to the upper part of the fourth connecting rod. A second waist-shaped hole is provided at the other end of the sixth connecting rod. A second bolt is inserted into the second waist-shaped hole, and the second bolt is fixedly connected to the second bracket. A first driving rod is provided between the upper ends of the two second connecting rods, and a second driving rod is provided between the upper ends of the two fourth connecting rods. A bag body for storing a fire hose is sleeved on the first driving rod and the second driving rod. Support bags into which the first connecting rod and the fifth connecting rod are inserted are provided on both sides of the bag body perpendicular to the first bracket.

3. The winding device for a portable fire hose according to claim 2, characterized in that: Symmetric first bottom frame and second bottom frame are provided at the bottom of the bag body. One side of the first bottom frame is hinged to the first bracket, the other side is hinged to the second bottom frame, and the other side of the second bottom frame is hinged to the second bracket.

4. The winding device for a portable fire hose according to claim 3, characterized in that: Tool bags are provided on both sides of the bag body parallel to the first bracket.

5. The winding device for a portable fire hose according to claim 1, characterized in that: The rotating shaft includes a second square sleeve sleeved inside the driven gear. The second square sleeve is sleeved with a conversion joint, and the conversion joint is sleeved in the middle of the first connecting plate.

6. The winding device for a portable fire hose according to claim 1, characterized in that: The diameter of the driven gear is smaller than the diameter of the driving gear.

7. The winding device for a portable fire hose according to claim 1, characterized in that: The winding rod is provided with a manual driving mechanism. The manual driving mechanism includes a third connecting plate. Driving sleeves for sleeving the winding rod are provided on both sides of the bottom of the third connecting plate. A third square sleeve is provided at the top of the third connecting plate, and the third square sleeve is used to connect a wrench.

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