Fire hose connector

Abstract

The utility model relates to the technical field of fire-fighting equipment, in particular to a fire-fighting water pipe connector which comprises a first connector body, a first connecting pipe is installed at one end of the first connector body, and a threaded cylinder is installed on the outer ring face of the first connector body. When a connecting plate is pulled outwards, a telescopic rod and a reset spring extend and synchronously drive a limiting rod to move, after a second connector and a first connector are attached, the connecting plate is released, limitation of the reset spring is relieved, the limiting rod is driven to be connected into a limiting hole, and therefore the second connector and the first connector are fixed; a threaded cylinder rotates outside the first connector, so that grooves in the inner side wall of the threaded cylinder are located outside the two connecting plates, the two connecting plates are protected conveniently, and the situation that a limiting rod is disengaged from a limiting hole due to mistaken touch is avoided; therefore, the problems that traditional fire hose connectors are connected through grooves, looseness is prone to occurring, and the sealing performance is poor are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a fire fighting water pipe connector. Background Art

[0002] Fire hose is an important part of the urban fire protection system. It carries the important mission of providing water for firefighting. Once a fire occurs, the fire hose can quickly transport water to the fire scene, provide firefighters with the water volume and water pressure required for firefighting, effectively control the fire, and protect people's lives and property. Fire hose is usually made of high-quality steel pipe or plastic pipe, with good pressure resistance and corrosion resistance. They are buried underground or installed inside buildings, and connected to fire pumps, fire pools and other equipment through connectors and valves. During the design and installation process, fire hose needs to take into account various factors, such as terrain, landform, building structure, etc., to ensure that it can smoothly transport water and be put into use quickly when needed. When connecting fire pipes, it is generally equipped with a connector to connect the fire hose. The traditional fire hose connectors are connected through grooves, which is troublesome and affects the efficiency of fire rescue. In addition, it has fallen off and loosened during use, and the poor sealing leads to leakage and water spraying. Therefore, there are certain disadvantages.

[0003] In summary, the utility model solves the existing problems by designing a fire water pipe connector. Utility Model Content

[0004] The purpose of the utility model is to provide a fire-fighting water pipe connector to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A fire hose connector, comprising a first connector, a first connecting pipe is installed at one end of the first connector, a threaded tube is installed on the outer ring surface of the first connector, limiting grooves are symmetrically provided at the top and bottom edges of the outer ring surface of the first connector, grooves are symmetrically provided on both sides of the outer ring surface of the first connector, a telescopic rod is installed on the inner side wall of the groove, a return spring is installed on the outer ring surface of the telescopic rod, a connecting plate is installed at one end of the telescopic rod away from the inner side wall of the groove, and a limiting rod is installed on the outer side surface of the connecting plate and at one end away from the telescopic rod;

[0007] A limiting ring is installed at one end of the first connecting head away from the first connecting tube, and multiple groups of fixing holes are provided on the outer side surface of the limiting ring, a sealing ring is installed on the outer side surface of the limiting ring, and a rubber plug is installed on the outer side surface of the sealing ring and inside the fixing hole. A second connecting head is installed at one end of the outer side of the first connecting head and located on the outer ring surface of the limiting ring, limiting holes are symmetrically provided at both ends of the outer ring surface of the second connecting head, a sealing groove is provided at one end of the outer side of the second connecting head, limiting blocks are symmetrically installed at both ends of the outer edge of the second connecting head, and a second connecting tube is installed at one end of the outer side of the second connecting head away from the sealing groove.

[0008] As a preferred solution of the utility model, the inner wall size of the threaded barrel is threadedly connected to the outer annular surface of the first connector, and a groove is provided at one end of the inner wall of the threaded barrel so as not to contact the outer side surface of the connecting plate.

[0009] As a preferred solution of the utility model, the outer ring surface of the limit rod is slidably connected to the inner side wall of the limit hole, and when the connecting plate moves outward, the telescopic rod and the return spring can be stretched and the limit rod can be simultaneously driven to move out of the inside of the limit hole.

[0010] As a preferred solution of the utility model, the outer ring surface of the limit ring is slidably connected to the inner wall of the sealing groove, and a sealing ring is provided on the outside of the limit ring to tightly fit one end of the inner wall of the sealing groove.

[0011] As a preferred solution of the utility model, the number of the rubber plugs matches that of the fixing holes, and the rubber plugs are snap-fitted to the inside of the fixing holes.

[0012] As a preferred solution of the utility model, the size of the outer side surface of the limiting block matches the size of the inner side wall of the limiting groove, and the outer side surface of the limiting block is slidably connected to the inner side wall of the limiting groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a fire hose connector is designed. When the connecting plate is pulled outward, the telescopic rod and the return spring are extended and the limit rod is driven to move synchronously. After the second connecting head is fitted with the first connecting head, the connecting plate is released. The restriction of the return spring is released and the limit rod is driven to be connected to the inside of the limit hole, so that the second connecting head is fixed to the first connecting head. The threaded barrel is rotated outside the first connecting head so that the groove on the inner side wall of the threaded barrel is located outside the two connecting plates, which is convenient for protecting the two connecting plates to avoid accidental touch causing the limit rod to be separated from the limit hole, thereby effectively solving the problem that the traditional fire hose connectors connected through grooves are easy to loosen and have poor sealing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 For this utility model Figure 1 Structural layer diagram;

[0017] Figure 3 For this utility model Figure 2 Structural layer diagram;

[0018] Figure 4 For this utility model Figure 3 Structural layer diagram;

[0019] Figure 5 For this utility model Figure 2 A schematic diagram of the enlarged structure of part A.

[0020] In the figure: 1, first connecting head; 101, limiting groove; 102, groove; 2, first connecting tube; 3, threaded tube; 4, telescopic rod; 5, reset spring; 6, connecting plate; 7, limiting rod; 8, limiting ring; 801, fixing hole; 9, sealing ring; 10, rubber plug; 11, second connecting head; 1101, limiting hole; 1102, sealing groove; 12, limiting block; 13, second connecting tube. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0025] For examples, see Figure 1-5 , the utility model provides a technical solution:

[0026] A fire hose connector, comprising a first connector 1, a first connecting pipe 2 is installed at one end of the first connector 1, a threaded tube 3 is installed on the outer ring surface of the first connector 1, a limiting groove 101 is symmetrically provided at the top and bottom of the outer ring surface of the first connector 1, grooves 102 are symmetrically provided on both sides of the outer ring surface of the first connector 1, a telescopic rod 4 is installed on the inner side wall of the groove 102, a return spring 5 is installed on the outer ring surface of the telescopic rod 4, a connecting plate 6 is installed at one end of the telescopic rod 4 away from the inner side wall of the groove 102, and a limiting rod 7 is installed on the outer side surface of the connecting plate 6 and at one end away from the telescopic rod 4;

[0027] A limiting ring 8 is installed at one end of the first connector 1 away from the first connecting tube 2, and a plurality of fixing holes 801 are provided on the outer surface of the limiting ring 8, a sealing ring 9 is installed on the outer surface of the limiting ring 8, a rubber plug 10 is installed on the outer side of the sealing ring 9 and inside the fixing hole 801, a second connector 11 is installed at one end of the outer side of the first connector 1 and located on the outer ring surface of the limiting ring 8, limiting holes 1101 are symmetrically provided at both ends of the outer ring surface of the second connector 11, a sealing groove 1102 is provided at one end of the outer side of the second connector 11, limiting blocks 12 are symmetrically installed at both ends of the outer edge of the second connector 11, and a second connecting tube 13 is installed at one end of the outer side of the second connector 11 away from the sealing groove 1102.

[0028] Specifically, refer to Figure 2 and Figure 3 The inner wall size of the threaded barrel 3 is threadedly connected to the outer ring surface of the first connecting head 1, and a groove is provided at one end of the inner wall of the threaded barrel 3 so as not to contact the outer surface of the connecting plate 6, thereby ensuring that the threaded barrel 3 is rotated outside the first connecting head 1, so that the inner wall groove of the threaded barrel 3 is located outside the two connecting plates 6, which is convenient for protecting the two connecting plates 6 and avoiding accidental touch causing the limit rod 7 to disengage from the limit hole 1101.

[0029] Furthermore, the outer ring surface of the limit ring 8 is slidably connected to the inner wall of the sealing groove 1102, and a sealing ring 9 is provided on the outside of the limit ring 8 to fit tightly with one end of the inner wall of the sealing groove 1102, thereby ensuring that when the second connector 11 is fitted with the first connector 1, the limit ring 8 is connected to the interior of the sealing groove 1102 and the sealing ring 9 fits with one end of the inner wall of the sealing groove 1102 to play a good sealing role and avoid water leakage at the interface.

[0030] Furthermore, the number of the rubber plugs 10 matches that of the fixing holes 801 , and the rubber plugs 10 are snap-fitted to the inside of the fixing holes 801 , thereby ensuring that the sealing ring 9 can be easily replaced and preventing aging after long-term use, which may lead to reduced sealing performance.

[0031] Furthermore, the outer side surface size of the limit block 12 matches the inner side wall size of the limit groove 101, and the outer side surface of the limit block 12 is slidably connected to the inner side wall of the limit groove 101, thereby ensuring that when the second connecting head 11 is fitted with the first connecting head 1, the two limit blocks 12 are simultaneously driven to connect to the interior of the limit groove 101, thereby playing a limiting role and ensuring that the limit rod 7 can be connected to the interior of the limit hole 1101.

[0032] For details, please refer to Figure 4 As shown in the figure, the outer ring surface of the limit rod 7 is slidably connected to the inner side wall of the limit hole 1101, and when the connecting plate 6 moves outward, the telescopic rod 4 and the return spring 5 can be stretched and the limit rod 7 can be synchronously driven to move out from the inside of the limit hole 1101, thereby ensuring that when the connecting plate 6 is pulled outward, the telescopic rod 4 and the return spring 5 extend and synchronously drive the limit rod 7 to move, and the connecting plate 6 is released after the second connecting head 11 is fitted with the first connecting head 1, and the restriction of the return spring 5 is released to drive the limit rod 7 to be connected to the inside of the limit hole 1101, thereby fixing the second connecting head 11 and the first connecting head 1.

[0033] The working process of the utility model: using a fire hose connector designed by the present invention, in the process of connecting the fire hose, firstly, by pulling the connecting plate 6 outward, the telescopic rod 4 and the return spring 5 are extended and synchronously drive the limit rod 7 to move, and after the second connecting head 11 is fitted with the first connecting head 1, the connecting plate 6 is released, and the restriction of the return spring 5 is released, driving the limit rod 7 to be connected to the inside of the limit hole 1101, thereby fixing the second connecting head 11 with the first connecting head 1, and when the second connecting head 11 is fitted with the first connecting head 1, the two limit blocks 12 are synchronously driven to be connected to the inside of the limit groove 101, thereby playing a role The limiting effect ensures that the limiting rod 7 can be connected to the inside of the limiting hole 1101. The threaded barrel 3 rotates outside the first connector 1, so that the inner wall groove of the threaded barrel 3 is located outside the two connecting plates 6, which is convenient for protecting the two connecting plates 6 to avoid accidental contact and causing the limiting rod 7 to be separated from the limiting hole 1101. When the second connector 11 is fitted with the first connector 1, the limiting ring 8 is connected to the inside of the sealing groove 1102 and the sealing ring 9 is fitted with one end of the inner wall of the sealing groove 1102 to play a good sealing role to avoid water leakage at the interface, and the rubber plug 10 is clamped with the inside of the fixing hole 801. This ensures that the sealing ring 9 is easy to replace, avoids aging after long-term use and reduces the sealing performance, is convenient to operate, and is easy to quickly disassemble and assemble.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire hose connector, comprising a first connector (1), characterized in that: A first connecting pipe (2) is installed at one end of the first connecting head (1), a threaded tube (3) is installed on the outer ring surface of the first connecting head (1), limiting grooves (101) are symmetrically provided at the top and bottom edges of the outer ring surface of the first connecting head (1), grooves (102) are symmetrically provided on both sides of the outer ring surface of the first connecting head (1), a telescopic rod (4) is installed on the inner side wall of the groove (102), a return spring (5) is installed on the outer ring surface of the telescopic rod (4), a connecting plate (6) is installed at one end of the telescopic rod (4) away from the inner side wall of the groove (102), and a limiting rod (7) is installed on the outer side surface of the connecting plate (6) and at one end away from the telescopic rod (4); A limiting ring (8) is installed at one end of the first connector (1) away from the first connecting tube (2), and a plurality of fixing holes (801) are provided on the outer surface of the limiting ring (8). A sealing ring (9) is installed on the outer surface of the limiting ring (8), and a rubber plug (10) is installed on the outer side of the sealing ring (9) and located inside the fixing hole (801). A second connector (11) is installed at one end of the outer side of the first connector (1) and located on the outer ring surface of the limiting ring (8), and limiting holes (1101) are symmetrically provided at both ends of the outer ring surface of the second connector (11). A sealing groove (1102) is provided at one end of the outer side of the second connector (11), and limiting blocks (12) are symmetrically provided at both ends of the outer edge of the second connector (11), and a second connecting tube (13) is installed at one end of the outer side of the second connector (11) away from the sealing groove (1102).

2. A fire water pipe connector according to claim 1, characterized in that: The inner wall of the threaded barrel (3) is threadedly connected to the outer ring surface of the first connector (1), and one end of the inner wall of the threaded barrel (3) is provided with a groove which does not contact the outer side surface of the connecting plate (6).

3. A fire hose connector according to claim 1, characterized in that: The outer ring surface of the limiting rod (7) is slidably connected to the inner side wall of the limiting hole (1101), and when the connecting plate (6) moves outward, the telescopic rod (4) and the return spring (5) can be stretched and the limiting rod (7) can be simultaneously driven to move out from the inside of the limiting hole (1101).

4. A fire hose connector according to claim 1, characterized in that: The outer ring surface of the limiting ring (8) is slidably connected to the inner wall of the sealing groove (1102), and a sealing ring (9) is provided outside the limiting ring (8) to tightly fit one end of the inner wall of the sealing groove (1102).

5. A fire hose connector according to claim 1, characterized in that: The number of the rubber stoppers (10) matches that of the fixing holes (801), and the rubber stoppers (10) are snap-fitted to the inside of the fixing holes (801).

6. A fire water pipe connector according to claim 1, characterized in that: The size of the outer side surface of the limiting block (12) matches the size of the inner side wall of the limiting groove (101), and the outer side surface of the limiting block (12) is slidably connected to the inner side wall of the limiting groove (101).

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