Fire hose cart

Abstract

The utility model discloses a fire hose cart which comprises a wheel set, a bearing mechanism and a push handle assembly, the wheel set comprises at least two wheels, a shaft sleeve is arranged in the center of each wheel, the bearing mechanism is arranged between the two wheels and comprises a bearing shaft and a locking assembly, the two ends of the bearing shaft penetrate from one ends of the two shaft sleeves to the other ends of the two shaft sleeves respectively, and the push handle assembly is arranged on the bearing shaft. The shaft sleeve is arranged on the bearing shaft and exposed out of the wheel, the shaft sleeve is in transmission connection with the bearing shaft through a plurality of bearings, the bearings are one-way bearings, a bearing notch is formed in the middle of the bearing shaft, the locking assemblies are arranged at the two ends of the bearing notch and seal the bearing notch, one end of each locking assembly is rotationally connected to the bearing shaft, and the other end of each locking assembly is detachably connected to the bearing shaft. The push handle assemblies are located on the outer sides of the two wheels correspondingly and rotationally connected to the two ends of the bearing shaft. According to the fire hose winding and unwinding device, through cooperation of the wheels, the bearings and the bearing shafts, quick winding and unwinding of the fire hose are achieved, time and labor are saved, and the efficiency of winding and unwinding of the fire hose is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, and in particular to a fire-fighting hose cart. Background Art

[0002] The fire hose is an important component of fire-fighting equipment and is one of the commonly used tools in fire-fighting work. When a fire occurs, the fire hose can quickly deliver water to the fire scene, helping firefighters to quickly extinguish the fire, reduce the spread of fire, and protect life and property safety.

[0003] Usually, in order to facilitate the storage of fire hoses and avoid them from being entangled and knotted, fire hoses are in a coiled state when in use. Therefore, firefighters need to manually unwind the fire hoses when in use, which affects operational efficiency and delays rescue time. After the fire hoses are used, a lot of water remains inside them, and their own weight is heavy. Therefore, firefighters need to spend a lot of time and energy to rewind them, which is labor-intensive. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a fire hose cart, comprising:

[0005] A wheel set, comprising at least two wheels, each wheel having an axle sleeve at its center;

[0006] The bearing mechanism is arranged between the two wheels, and includes a bearing shaft and a locking assembly. The two ends of the bearing shaft are respectively passed through one end of two sleeves to the other end thereof and exposed to the outside of the wheel. The sleeves and the bearing shaft are connected by a plurality of bearings, and the bearings are one-way bearings.

[0007] The middle of the bearing shaft has a bearing recess, and the locking assembly is disposed at both ends of the bearing recess to close the bearing recess, one end of the locking assembly is rotatably connected to the bearing shaft, and the other end is detachably connected to the bearing shaft; and

[0008] The push handle assembly is located at the outer sides of the two wheels and is rotatably connected to the two ends of the load-bearing shaft.

[0009] According to one embodiment of the utility model, the locking assembly includes a locking rod and two fixing parts, the two fixing parts are fixed at both ends of the bearing recess, each fixing part has a through hole, the through holes of the two fixing parts are arranged facing each other, one end of the locking rod has a connecting ring, the connecting ring is movably buckled to one of the fixing parts through the through hole, and the other end thereof is inserted into the other fixing part.

[0010] According to an embodiment of the present invention, a locking recess is provided on the locking rod corresponding to the bearing recess, and a locking space is formed between the bearing recess and the locking recess.

[0011] According to one embodiment of the utility model, the sleeve includes a main body and two mounting heads. The main body is arranged through the center of the wheel, and its two ends are exposed on both sides of the wheel. The two mounting heads are respectively located at both ends of the sleeve, and their inner diameters are larger than the inner diameter of the main body. The bearings are respectively fixed in the mounting heads. The load-bearing shaft passes through one of the mounting heads into the main body, and passes through the other mounting head to be exposed on the outside of the wheel, and is fixedly connected to the inner walls of the bearings in the two mounting heads.

[0012] According to one embodiment of the present invention, the push handle assembly includes a cross bar and two push rods. One end of the two push rods has a connecting hole. The connecting hole penetrates the push rods along the thickness direction of the push rods. The connecting hole is sleeved on one end of the load-bearing shaft exposed to the outside of the wheel. The two ends of the cross bar are respectively fixed to the other ends of the two push rods.

[0013] According to an embodiment of the present invention, two limiting members are spaced apart at both ends of the bearing shaft, a limiting section is formed between the two limiting members, and the connecting hole is rotatably connected to the limiting section.

[0014] According to an embodiment of the present invention, the outer wall of the bearing is welded to the inner wall of the mounting head, and the inner wall of the bearing is welded to the bearing shaft.

[0015] According to an embodiment of the present invention, the fixing member is a nut which is welded to the load-bearing shaft.

[0016] The beneficial effect of the utility model is that the fire hose can be quickly retracted and released through the cooperation of the wheels, bearings and load-bearing shafts, which not only saves time and effort, but also greatly improves the efficiency of the fire hose retraction and release. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the fire hose cart in the embodiment;

[0019] Figure 2 It is a schematic diagram of the structure of the bearing mechanism in the embodiment;

[0020] Figure 3 This is a schematic diagram of the exploded structure of the wheel and the bearing in the embodiment;

[0021] Figure 4 for Figure 1 Enlarged view of part A in the middle. DETAILED DESCRIPTION

[0022] The following will disclose multiple embodiments of the present invention with drawings. For the purpose of clear description, many practical details will be described together in the following description. However, it should be understood that these practical details should not be used to limit the present invention. In other words, in some embodiments of the present invention, these practical details are not necessary. In addition, in order to simplify the drawings, some conventional structures and components will be depicted in a simple schematic manner in the drawings.

[0023] In addition, in the present utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0024] See also Figure 1-Figure 4 , Figure 1 This is a schematic diagram of the structure of the fire hose cart in the embodiment. Figure 2 is a schematic diagram of the structure of the bearing mechanism in the embodiment, Figure 3 It is a schematic diagram of the exploded structure of the wheel and the bearing in the embodiment, Figure 4 for Figure 1 A magnified view of the middle A part. A fire hose cart in this example includes a wheel group 1, a bearing mechanism 2 and a handle assembly 3, wherein the wheel group 1 includes at least two wheels 11, each wheel 11 is provided with a sleeve 111 at the center, the bearing mechanism 2 is arranged between the two wheels 11, the bearing mechanism 2 includes a bearing shaft 21 and a locking assembly 22, the two ends of the bearing shaft 21 are respectively passed through one end of the two sleeves 111 to the other end thereof, and exposed to the outside of the wheel 11, the sleeve 111 and the bearing shaft 21 are connected by a plurality of bearings 112, in this example, the bearing 112 is a one-way bearing, the middle part of the bearing 21 has a bearing recess 211, the locking assembly 22 is arranged at both ends of the bearing recess 211 and closes the bearing recess 211, one end of the locking assembly 22 is rotatably connected to the bearing shaft 21, and the other end is detachably connected to the bearing shaft 21, and the handle assembly 3 is respectively located on the outside of the two wheels 11, and is rotatably connected to both ends of the bearing shaft 21.

[0025] Before use, one end of the fire hose is clamped in the bearing recess 211, and the bearing recess 211 is closed by the locking assembly 22, so that one end of the fire hose is clamped on the bearing mechanism 2, and the fire hose is wound around the bearing mechanism 2 to form a fire hose roll. At this time, the other joint of the fire hose is located outside the fire hose roll, and the fire hose roll and the fire hose cart can be stored in the fire truck. It can be understood that since the bearing 112 is a one-way bearing, when the wheel 11 rotates forward, the wheel 11 cannot drive the bearing shaft 21 to rotate synchronously through the bearing 112, that is, the bearing shaft 21 can rotate freely. When the wheel 11 rotates in the opposite direction, the bearing 112 is locked. At this time, the wheel 11 can drive the bearing shaft 112 to rotate synchronously through the bearing 112. Therefore, when in use, the firefighter can move the fire hose cart from the fire truck to the fire truck. The fire hose reel is then reeled in and out of the water tank, and the fire hose reel is reeled in and out of the water tank.

[0026] Before use, the fire hose can also be laid on the ground and quickly wound on the supporting mechanism 2 through the above steps to form a fire hose roll.

[0027] Review Figure 1-Figure 2Further, the locking assembly 22 includes a locking rod 221 and two fixing members 222. The two fixing members 222 are fixed at both ends of the bearing recess 211. Each fixing member 222 has a through hole 2221. The through holes 2221 of the two fixing members 222 are arranged facing each other. One end of the locking rod 221 has a connecting ring 2211. The connecting ring 2211 is movably buckled with one of the fixing members 222 through the through hole 2221, and the other end thereof is plugged into the other fixing member 222. Specifically, the locking rod 221 is provided with a locking recess 2212 corresponding to the bearing recess 211, and a locking space 01 is formed between the bearing recess 211 and the locking recess 2212. When in use, after the joint at one end of the fire hose is carried in the bearing recess 211, one end of the locking rod 221 is rotated along one of the fixing pieces 222 so that the other end thereof is rotated to the other fixing piece 222. At this time, the locking rod 221 is slightly bent to deform and one end thereof is inserted into the other fixing piece 222. The locking rod 221 is loosened to make it rebound and pass through the fixing piece 222, and the locking of the locking rod 221 is completed to form a locking space 01. In specific implementation, the fixing piece 222 can be a nut, which is fixed to the bearing shaft 21 by welding.

[0028] In this example, the locking recess 2212 and the load-bearing recess 211 are both arc-shaped, which are respectively formed by bending the locking rod 221 and the load-bearing shaft 21. When the locking rod 221 is inserted into the fixing part 222, the locking recess 2212 and the load-bearing recess 211 form a circular locking space 01 to better adapt to the shape of one end of the fire hose and improve the stability of the fire hose in winding and releasing.

[0029] Review Figure 1-Figure 3 Further, the sleeve 111 includes a body 1111 and two mounting heads 1112. The body 1111 is set through the center of the wheel 11, and its two ends are exposed on both sides of the wheel 11. The two mounting heads 1112 are respectively located at both ends of the sleeve 111, and its inner diameter is larger than the inner diameter of the body 1111. The bearings 112 are respectively fixed in the mounting heads 1112. The bearing shaft 21 passes through one of the mounting heads 1112 into the body 1111, and passes through the other mounting head 1112 to be exposed outside the wheel 11, and is fixedly connected to the inner wall of the bearing 112 in the two mounting heads 1112. In specific implementation, the wheel 11 can be a waste bicycle wheel to improve the utilization rate of waste.

[0030] Review Figure 1 and Figure 4 Furthermore, the push handle assembly 3 includes a cross bar 31 and two push rods 32. One end of the two push rods 32 has a connecting hole 321. The connecting hole 321 penetrates the push rod 32 along the thickness direction of the push rod 32. The connecting hole 321 is sleeved on the end of the load-bearing shaft 21 exposed to the outside of the wheel 11. The two ends of the cross bar 31 are respectively fixed to the other ends of the two push rods 32.

[0031] Review Figure 1-Figure 2 , wherein two stoppers 212 are provided at both ends of the bearing shaft 21, a stopper section 213 is formed between the two stoppers 212, and the connecting hole 321 is rotatably connected to the stopper section 213 to prevent the push rod 32 from moving axially along the bearing shaft 21. In this example, threads are provided at both ends of the bearing shaft 21, and the stoppers 212 are also nuts.

[0032] In summary, in this example, the fire hose can be quickly retracted and released through the cooperation of the wheel 11, the bearing 112 and the load-bearing shaft 21, which not only saves time and effort, but also greatly improves the efficiency of the fire hose retraction and release.

[0033] The above is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A fire hose cart, characterized in that: include: A wheel set (1) comprising at least two wheels (11), each wheel (11) being provided with a shaft sleeve (111) at the center thereof; The bearing mechanism (2) is arranged between the two wheels (11), and comprises a bearing shaft (21) and a locking assembly (22). The two ends of the bearing shaft (21) are respectively passed through one end of two shaft sleeves (111) to the other end thereof and exposed outside the wheels (11). The shaft sleeves (111) and the bearing shaft (21) are transmission-connected via a plurality of bearings (112), and the bearings (112) are one-way bearings. The load-bearing shaft (21) has a load-bearing recess (211) in the middle, the locking assembly (22) is arranged at both ends of the load-bearing recess (211) and closes the load-bearing recess (211), one end of the locking assembly (22) is rotatably connected to the load-bearing shaft (21), and the other end is detachably connected to the load-bearing shaft (21); as well as A push handle assembly (3), wherein the push handle assembly (3) is located outside the two wheels (11) and is rotatably connected to the two ends of the bearing shaft (21).

2. The fire hose cart according to claim 1, characterized in that: The locking assembly (22) comprises a locking rod (221) and two fixing members (222), the two fixing members (222) being fixed at two ends of the bearing recess (211), each fixing member (222) having a through hole (2221), the through holes (2221) of the two fixing members (222) being arranged facing each other, one end of the locking rod (221) having a connecting ring (2211), the connecting ring (2211) being movably buckled to one of the fixing members (222) through the through hole (2221), and the other end of the connecting ring (2211) being plugged into the other fixing member (222).

3. The fire hose cart according to claim 2, characterized in that: The locking rod (221) is provided with a locking recess (2212) corresponding to the bearing recess (211), and a locking space (01) is formed between the bearing recess (211) and the locking recess (2212).

4. The fire hose cart according to claim 1, characterized in that: The shaft sleeve (111) comprises a main body (1111) and two mounting heads (1112); the main body (1111) is arranged to pass through the center of the wheel (11), and its two ends are exposed to the two sides of the wheel (11); the two mounting heads (1112) are respectively located at the two ends of the shaft sleeve (111), and their inner diameters are larger than the inner diameter of the main body (1111); the bearings (112) are respectively fixed in the mounting heads (1112); the load-bearing shaft (21) passes through one of the mounting heads (1112) into the main body (1111), and passes through the other mounting head (1112) to be exposed to the outside of the wheel (11), and is fixedly connected to the inner walls of the bearings (112) in the two mounting heads (1112).

5. The fire hose cart according to claim 1, characterized in that: The push handle assembly (3) comprises a cross bar (31) and two push rods (32), one end of the two push rods (32) having a connecting hole (321), the connecting hole (321) penetrating the push rods (32) along the thickness direction of the push rods (32), the connecting hole (321) being sleeved on one end of the load-bearing shaft (21) exposed to the outside of the wheel (11), and the two ends of the cross bar (31) being respectively fixed to the other ends of the two push rods (32).

6. The fire hose cart according to claim 5, characterized in that: Two limiting members (212) are spaced apart at both ends of the bearing shaft (21), a limiting section (213) is formed between the two limiting members (212), and the connecting hole (321) is rotatably connected to the limiting section (213).

7. The fire hose cart according to claim 4, characterized in that: The outer wall of the bearing (112) is welded to the inner wall of the mounting head (1112), and the inner wall of the bearing (112) is welded to the bearing shaft (21).

8. The fire hose cart according to claim 2, characterized in that: The fixing member (222) is a nut which is welded to the bearing shaft (21).

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