Buffering and damping type fire hose
By designing the pressure-bearing plate and elastic component components in the shell in the fire hose, the damage problem of water flow impact on the fire hose is solved, and the combination of water flow stability and shock absorption effect is achieved, ensuring fire extinguishing efficiency and convenient operation .
Patent Information
- Application Number
- CN202420783800.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-16
AI Technical Summary
During use, fire hoses are susceptible to fluctuations in tension, impact force and water flow pressure, resulting in damage, such as rupture or loose joints, affecting the fire extinguishing effect and rescue efficiency.
A buffering and shock-absorbing fire hose is designed, using pressure-bearing plates and elastic component components in the sleeve. Through the design of multiple through holes and limiting components, it provides elastic support and stable guidance to ensure smooth water flow without increasing Water pressure to avoid buffer components from occupying water-flow space.
It effectively alleviates the impact of water flow shock on fire hoses, maintains water flow stability and water pressure, reduces operation difficulty, and provides shock absorption effect to avoid damage to water hoses.
Smart Images
Figure CN222229871U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fire hoses, and more specifically to a buffering and shock-absorbing fire hose. Background Art
[0002] Fire hose is a kind of water delivery equipment commonly used by firefighters in fire fighting and rescue. It is mainly used to deliver high-pressure water flow from water source facilities such as fire trucks and fire hydrants to the fire gun head for long-distance or high-rise building fire fighting operations;
[0003] Fire hoses may be subjected to large tensile forces, impact forces, and pressure fluctuations generated by the water flow during use, especially during laying and connection. If these forces act directly on the hoses and joints, they may be damaged, such as ruptures, loose joints, and falling off, which will seriously affect the fire extinguishing effect and rescue efficiency.
[0004] In response to the above-mentioned problems, a method is proposed (as shown in application number: CN202120321556.6, a water flow buffering high-pressure water hose), in which: "fixed plate, buffer baffle, spring" are used as water-slowing components to reduce instantaneous impact force, but the water-slowing components are directly set in a built-in manner, which occupies the original water flow space. When the water flow is stable, the water pressure is increased, which increases the difficulty of operation. Utility Model Content
[0005] The purpose of the utility model is to provide a buffering and shock-absorbing fire hose in order to solve the above technical problems.
[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:
[0007] The utility model proposes a buffering and shock-absorbing fire hose, comprising a joint, the bottom end of the joint is fixedly connected to the top end of a connecting pipe, the outer side of the connecting pipe is closely attached to and surrounded by a hose body, and a buffer assembly is installed between the connecting pipes;
[0008] The buffer assembly includes a shell whose top and bottom ends are connected and fixed to the connecting pipe, a pressure plate is provided in the shell with its plate end facing the end of the connecting pipe, an elastic member is fixed between the outside of the pressure plate and the inside of the shell for elastically supporting the pressure plate toward the end of the connecting pipe, the two plate ends of the pressure plate are respectively penetrated by multiple groups of through holes, and the plate surface of the pressure plate not penetrated by the through holes covers part of the flow surface of the connecting pipe, and the flow cross-section of the pressure plate when the elastic member is in normal state and under pressure is not less than the flow cross-section of the connecting pipe.
[0009] As a preferred technical solution of the utility model, the plurality of groups of through holes are evenly distributed.
[0010] As a preferred technical solution of the utility model, the elastic members are provided in multiple groups and are evenly distributed outside the pressure plate.
[0011] As a preferred technical solution of the utility model, the buffer assembly also includes a limiting assembly for stably elastically guiding the pressure plate on the elastic member.
[0012] As a preferred technical solution of the utility model, the limit assembly includes a guide rod fixed at the rod end and the sleeve shell, the outer side of the guide rod moves in the guide hole, and the guide hole passes through the two plate ends of the pressure plate.
[0013] As a preferred technical solution of the utility model, the outer side of the guide rod and the inner wall of the guide hole are both smooth.
[0014] The beneficial effects of the utility model are as follows:
[0015] By installing the buffer assembly 4 between the connecting pipes 2, when the water flow hits the pressure plate 42, the elastic member 43 can provide elastic supporting force to ensure the buffering effect. At the same time, when the pressure plate 42 is under pressure or not under pressure, the flow rate of the pressure plate 42 is not less than the flow rate of the connecting pipe 2. This ensures that when the water flow is stable, the water pressure will not increase compared to when the buffer assembly 4 is not set. While maintaining the operating difficulty, it can also provide a buffering and shock-absorbing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of the utility model.
[0017] Figure numerals: joint-1, connecting pipe-2, hose body-3, buffer assembly-4, casing-41, pressure plate-42, elastic member-43, through hole-44, guide rod-45, guide hole-46. DETAILED DESCRIPTION
[0018] Embodiment 1:
[0019] like Figure 1 As shown, this embodiment proposes: a buffer shock-absorbing fire hose, including a joint 1, the bottom end of which is fixedly connected to the top end of a connecting pipe 2 (as shown in the figure, the joint 1 can be a fire buckle, etc., and its bottom end is connected to the top end of the fixed connecting pipe 2);
[0020] The outer side of the connecting pipe 2 is fitted with a water hose body 3 (the water hose body 3 is sleeved on the outer side of the connecting pipe 2, and the existing technology can be used to surround the water hose body 3 and bind and fix it on the outer side of the connecting pipe 2), and a buffer component 4 is installed between the connecting pipes 2;
[0021] In order to implement the above-mentioned buffer assembly 4, it is proposed that Figure 1As shown, the specific structure and composition of the buffer assembly 4 can be as follows: the buffer assembly 4 includes a casing 41 connected and fixed to the connecting pipe 2 at both ends (as shown in the figure, the casing 41 is located at the top of the hose body 3);
[0022] The housing 41 is provided with a pressure plate 42 (such as Figure 1 As shown, that is, the plate end of the pressure plate 42 faces up and down);
[0023] An elastic member 43 (the elastic member 43 may be a spring, etc.) is fixedly installed between the outside of the pressure plate 42 and the inside of the casing 41 to elastically support the pressure plate 42 toward the end of the connecting pipe 2 (as shown in the figure, the elastic member 43 provides elastic support for the pressure plate 42 in the up and down directions);
[0024] The two ends of the pressure plate 42 are respectively penetrated by multiple groups of through holes 44, and the plate surface of the pressure plate 42 not penetrated by the through holes 44 covers part of the flow surface of the connecting pipe 2 (that is, the setting of the through holes 44 does not penetrate all the spaces at the relative positions of the top and bottom ends of the pressure plate 42, that is, when water is passed, it will be blocked by the pressure plate 42, and the elastic member 43 provides a water-slowing effect), and the multiple groups of through holes 44 are evenly distributed (reasonable water passing positions are set to improve the uniformity and stability of water passing);
[0025] The flow cross-section of the pressure plate 42 when the elastic member 43 is in a normal state and under pressure is not less than the flow cross-section of the connecting pipe 2 (as shown in the figure, the water flow space of the casing 41 is larger than that of the connecting pipe 2, and the pressure plate 42 does not contact the top or bottom end of the casing 41, that is, when water flows into the casing 41, the water flow space is increased, and when the water flow is stable, the water pressure will not increase compared to when the buffer component 4 is not set).
[0026] Among them, the elastic members 43 are provided in multiple groups and are evenly distributed outside the pressure plate 42 (as shown in the figure, the elastic members 43 are provided in two groups and are symmetrically distributed at the left and right ends of the pressure plate 42, but are not limited to two groups), so as to improve the stability during support.
[0027] Embodiment 2:
[0028] like Figure 1 As shown, the difference from Example 1 is that the buffer assembly 4 also includes a limiting assembly for stably elastically guiding the pressure plate 42 on the elastic member 43, thereby enhancing the activity stability of the pressure plate 42 when it is displaced under pressure under the action of the elastic member 43.
[0029] In order to realize the implementation and use of the above-mentioned limit assembly, it is proposed that Figure 1 As shown, the specific structure and composition of the limit assembly can be as follows: the limit assembly includes a rod end and a guide rod 45 fixed in the casing 41 (as shown in the figure, the top and bottom ends of the guide rod 45 are respectively fixed to the inner wall of the casing 41);
[0030] The outer side of the guide rod 45 moves in the guide hole 46, and the guide hole 46 passes through the two ends of the pressure plate 42. The guide hole 46 of the pressure plate 42 performs a limiting movement of up and down displacement at the guide rod 45 to improve the activity stability of the pressure plate 42 (such as Figure 1 As shown, according to the above, the elastic member 43 can be a spring, and the spring is arranged around the outside of the guide rod 45, which can better stabilize the deformation of the spring when it is compressed).
[0031] The outer side of the guide rod 45 and the inner wall of the guide hole 46 are both smooth, which reduces resistance and improves the smoothness of the pressure plate 42 during movement (the guide rod 45 and the pressure plate 42 can be made of wear-resistant materials, such as stainless steel, etc.).
[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A buffering and shock-absorbing fire hose, comprising a joint (1), the bottom end of the joint (1) being fixedly connected to the top end of a connecting pipe (2), the outer side of the connecting pipe (2) being closely attached to and enclosing a hose body (3), and a buffer assembly (4) being installed between the connecting pipes (2); It is characterized in that The buffer assembly (4) comprises a casing (41) whose top and bottom ends are connected and fixed to the connecting tube (2); a pressure plate (42) is provided inside the casing (41) with its plate end facing the tube end of the connecting tube (2); an elastic member (43) is fixedly installed between the outside of the pressure plate (42) and the inside of the casing (41) for elastically supporting the pressure plate (42) in the direction of the tube end of the connecting tube (2); the two plate ends of the pressure plate (42) are respectively penetrated by a plurality of groups of through holes (44); and the plate surface of the pressure plate (42) not penetrated by the through holes (44) covers a part of the flow surface of the connecting tube (2); and the flow cross section of the pressure plate (42) in a normal state and under pressure of the elastic member (43) is not less than the flow cross section of the connecting tube (2).
2. A buffering and shock-absorbing fire hose according to claim 1, characterized in that: The plurality of groups of through holes (44) are evenly distributed.
3. A buffering and shock-absorbing fire hose according to claim 1, characterized in that: A plurality of groups of elastic members (43) are provided and are evenly distributed outside the pressure-bearing plate (42).
4. A buffering and shock-absorbing fire hose according to claim 1, characterized in that: The buffer assembly (4) further comprises a limit assembly used for stably elastically guiding the pressure plate (42) on the elastic member (43).
5. A buffering and shock-absorbing fire hose according to claim 4, characterized in that: The limiting assembly comprises a guide rod (45) fixed at the rod end and inside the sleeve (41); the outer side of the guide rod (45) moves inside a guide hole (46); and the guide hole (46) penetrates through two plate ends of the pressure plate (42).
6. A buffering and shock-absorbing fire hose according to claim 5, characterized in that: The outer side of the guide rod (45) and the inner wall of the guide hole (46) are both smooth.