Quick plug connector of fire hydrant
By designing the clamp and positioning groove structure of the fire hydrant quick-connect fitting, the problems of unstable fire hydrant connection and inconvenient disassembly were solved, achieving convenient installation and stable connection, and enhancing sealing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-04-10
AI Technical Summary
Existing fire hydrants are prone to detachment when connected to external parts, and are inconvenient to disassemble, affecting ease of use and sealing.
A quick-connect fitting for fire hydrants was designed. By setting a locking rod and a positioning rod, and utilizing the locking and disengaging mechanism of the positioning block and positioning groove, convenient installation and disassembly can be achieved. The stability and sealing of the connection are improved by the sealing ring and the locking block.
It improves the ease of installation and disassembly of fire hydrants and the stability of connections, reduces the risk of hose detachment, enhances sealing performance, and improves functionality.
Smart Images

Figure CN224107842U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a fire hydrant field especially relates to a fire hydrant quick plug connector. BACKGROUND
[0002] Fire hydrant is one of the common fire-fighting equipment in our life, and the main function of fire hydrant is to supply water to the fire scene, so the use of fire hydrant is very important.
[0003] The Chinese patent authorized application number CN202020432557.3 provides a high-pressure sealed fire hydrant, the fire hydrant main body and the water outlet pipe are provided with sealing components, thereby effectively improving the sealing effect of the fire hydrant, avoiding the leakage caused by the high water pressure in the fire hydrant, and the sealing components in the fire hydrant main body and the water outlet pipe are opened and closed by the rotation of the lead screw, thereby facilitating use.
[0004] The existing fire hydrant has certain disadvantages in use. First, when the fire hydrant is connected with the outside, it is mostly directly clamped to connect the water hose. This way, if the clamping is not in place, the water hose is likely to fall off. Second, the installation is too tight, affecting the convenience of disassembling the fire hose. Therefore, we propose a fire hydrant quick plug connector. Utility model content
[0005] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a fire hydrant quick plug connector. When the fire hydrant needs to be connected with the outside, a pair of clamping rods are pressed to allow the positioning rod to drive the positioning block to be clamped in the inner end of the positioning groove. At this time, the positioning blocks and the positioning rods are positioned and clamped at the connection of the fire hydrant. The positioning and clamping effect can be increased based on the traditional clamping method. When disassembling, the clamping rod is pulled to separate the positioning block from the positioning groove, so that the device can be conveniently disassembled, improving the convenience of installing and disassembling the fire hydrant quick plug connector.
[0006] The above technical purpose of the utility model is achieved by the following technical scheme:
[0007] A fire hydrant quick plug connector includes a body mechanism, the body mechanism, a connecting mechanism is installed at the outer end of the body mechanism, and a positioning mechanism is movably connected at the outer end of the connecting mechanism.
[0008] The positioning mechanism includes a positioning rod, the positioning rods are symmetrically distributed, the positioning rods are T-shaped structures, the rear end of the positioning rod is provided with a positioning block, the outer end of the positioning rod is provided with a spring ring, and the outer end of the positioning rod is provided with a supporting block.
[0009] By installing the clamping rod, the convenience of installing and disassembling the fire hydrant quick plug connector is improved.
[0010] Further, the card rod is T-shaped structure, both sides of the card rod are movably connected with positioning pieces.
[0011] By installing the positioning piece, the positioning and dismounting effect of the structure is improved.
[0012] Further, the inner end of the card rod is provided with symmetrically distributed arc-shaped grooves, and the front side of the arc-shaped grooves is slidably connected with a connecting ring.
[0013] By installing the connecting ring, the connecting ring can move with the positioning rod, so that the positioning rod adjustment positioning will not be offset.
[0014] Further, the connecting ring is located at the outer end of the positioning rod, the outer end of the connecting ring is provided with a guide groove, and the guide groove is located at the inner end of the body mechanism.
[0015] By installing the guide groove, the positioning and clamping effect of the structure is further improved.
[0016] Further, the body mechanism comprises a fire hydrant valve body, the outer end of the fire hydrant valve body is fixedly connected with a connecting pipe, the outer end of the connecting pipe is provided with a mounting head, the outer end of the mounting head is movably connected with a fire hose, and the outer end of the fire hose is provided with a anti-off ring.
[0017] By installing the anti-off ring, the positioning rod and the positioning block can be clamped in the inner end of the positioning groove.
[0018] Further, the outer end of the mounting head is provided with a guide ring, and the inner end of the guide ring is provided with a positioning groove.
[0019] By installing the positioning groove, the positioning groove can be matched with the volume of the positioning block, so that the installation and positioning of the fire hose are more stable.
[0020] Further, the both ends of the positioning groove are provided with sealing rings, the inner end of the guide ring is provided with evenly distributed elastic pieces, and the outer end of the elastic pieces is provided with a clamping block.
[0021] By installing the sealing ring and the clamping block, the use functionality of the fire hydrant quick connector is improved.
[0022] Further, the outer end of the clamping block is provided with a slot, and the slot is located at the inner end of the sealing ring.
[0023] By installing the slot, the slot can be clamped with the clamping block, so that the clamping block can be more stable.
[0024] In summary, the utility model has the following beneficial effects:
[0025] 1、By setting the card rod, when the fire hydrant needs to be connected with the outside, a pair of card rods are pressed, and the positioning rod drives the positioning block to be clamped in the inner end of the positioning groove. At this time, the plurality of positioning blocks and positioning rods are positioned and clamped at the connection of the fire hydrant. The positioning clamping effect can be increased on the basis of the traditional clamping mode. Secondly, when disassembling, the card rod is pulled to separate the positioning block from the positioning groove, so that the device can be conveniently disassembled, and the convenience of installation and disassembly of the quick plug connector of the fire hydrant is improved;
[0026] 2、By setting the positioning member, the positioning member is composed of an elastic ring and an arc-shaped clamp. The card rod can be stably clamped. When the card rod is pulled, the arc-shaped groove can conveniently separate the positioning member, and the positioning and disassembly effect of the structure is improved.
[0027] 3、By setting the sealing ring and the clamping block, a plurality of sealing rings are stably clamped in the inner end of the guide ring through the clamping block, so that the positioning of the guide ring is more stable, the sealing property of the structure is improved, the problem of reduced sealing property at the connection is avoided, and the use functionality of the quick plug connector of the fire hydrant is improved. BRIEF DESCRIPTION OF DRAWINGS
[0028] Figure 1 is the overall structure schematic diagram in the embodiment;
[0029] Figure 2 is the planar structure schematic diagram of the positioning mechanism in the embodiment;
[0030] Figure 3 is the structure schematic diagram of the Figure 2 enlarged planar structure schematic diagram of A in the embodiment;
[0031] Figure 4 is the structure schematic diagram of the Figure 2 enlarged planar structure schematic diagram of B in the embodiment;
[0032] Figure 5 is the structure schematic diagram of the cross section of the guide ring in the embodiment;
[0033] Figure 6 is the structure schematic diagram of the Figure 5 enlarged planar structure schematic diagram of C in the embodiment.
[0034] In the figure, 1, the body mechanism; 101, the fire hydrant valve body; 102, the connecting pipe; 103, the mounting head; 104, the fire hose; 105, the anti-dropping ring; 2, the connecting mechanism; 201, the guide ring; 202, the positioning groove; 203, the sealing ring; 204, the elastic member; 205, the clamping block; 206, the slot; 3, the positioning mechanism; 301, the positioning rod; 302, the positioning block; 303, the spring ring; 304, the clamping rod; 305, the clamping block; 306, the positioning member; 307, the arc-shaped groove; 308, the connecting ring; 309, the guide groove. DETAILED DESCRIPTION
[0035] The utility model will be described further in detail below with reference to the drawings.
[0036] Wherein same part is indicated with same reference numeral. It is explained that, the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the direction in the drawing, the words "bottom surface" and "top surface", "inner" and "outer" respectively refer to the direction towards or away from the geometric center of a particular component.
[0037] Referring to Figures 1-6 As shown in the figure, it is a fire hydrant quick plug connector in the preferred embodiment of the utility model, including body mechanism 1, body mechanism 1, the outer end of body mechanism 1 is equipped with connecting mechanism 2, the outer end of connecting mechanism 2 is movably connected with positioning mechanism 3.
[0038] Positioning mechanism 3 includes positioning rod 301, positioning rod 301 is symmetrically distributed, positioning rod 301 is T-shaped structure, the rear end of positioning rod 301 is equipped with positioning block 302, the outer end of positioning rod 301 is equipped with spring ring 303, the outer end of positioning rod 301 is equipped with support block 304, the inner end of support block 304 is slidably connected with clamping rod 305.
[0039] Referring to Figures 2-4 As shown in the figure, further, clamping rod 305 is T-shaped structure, the two sides of clamping rod 305 are movably connected with positioning piece 306.
[0040] Referring to Figures 3-4 As shown in the figure, further, the inner end of clamping rod 305 is equipped with symmetrically distributed arc-shaped groove 307, the front side of arc-shaped groove 307 is slidably connected with connecting ring 308.
[0041] Referring to Figure 3 As shown in the figure, further, connecting ring 308 is located at the outer end of positioning rod 301, the outer end of connecting ring 308 is equipped with guide groove 309, guide groove 309 is located at the inner end of body mechanism 1.
[0042] The positioning block 302 is clamped in the inner end of the positioning groove 202 by installing the positioning rod 301, a plurality of positioning blocks 302 and positioning rods 301 are clamped at the connection of the fire hydrant, the positioning clamping effect can be increased on the basis of the traditional clamping mode, so that the fire hose 104 will not easily fall off due to water pressure during installation, and secondly, when the fire hose 104 needs to be disassembled, the clamping rod 305 is pulled to separate it from the positioning piece 306, the positioning piece 306 is composed of an elastic ring and an arc-shaped clamping head, which can not only stably clamp the clamping rod 305, but also conveniently separate the arc-shaped groove 307 when the clamping rod 305 is pulled, and the guide groove 309 can limit the adjusted positioning rod 301 and the connecting ring 308, so that the positioning rod 301 will not deviate during separation and positioning, and the positioning block 302 is separated from the positioning groove 202 under the action of the spring ring 303, so that the device can be conveniently disassembled.
[0043] Referring to Figure 1 Further, the body mechanism 1 includes a fire hydrant valve body 101, the outer end of the fire hydrant valve body 101 is fixedly connected with a connecting pipe 102, the outer end of the connecting pipe 102 is provided with a mounting head 103, the outer end of the mounting head 103 is movably connected with a fire hose 104, and the outer end of the fire hose 104 is provided with a anti-off ring 105.
[0044] The anti-off ring 105 and the guide ring 201 are the same diameter, which facilitates the clamping of the positioning rod 301 and the positioning block 302 in the inner end of the positioning groove 202.
[0045] Referring to Figures 5-6 Further, the outer end of the mounting head 103 is provided with a guide ring 201, and the inner end of the guide ring 201 is provided with a positioning groove 202.
[0046] Referring to Figure 6 Further, the two ends of the positioning groove 202 are provided with sealing rings 203, the inner end of the guide ring 201 is provided with evenly distributed elastic members 204, and the outer end of the elastic members 204 is provided with clamping blocks 205.
[0047] Referring to Figures 5-6 Further, the outer end of the clamping block 205 is provided with a slot 206, and the slot 206 is located in the inner end of the sealing ring 203.
[0048] A plurality of sealing rings 203 are stably clamped in the inner end of the guide ring 201 by the clamping block 205, which can make the positioning of the guide ring 201 more stable, avoid increasing the sealing property of the structure, and reduce the problem of reduced sealing property at the connection.
[0049] Specific implementation process: when the device is used, the fire hose 104 is initially connected, the anti-off ring 105 is the same diameter as the guide ring 201, the positioning rod 301 and the positioning block 302 are conveniently clamped in the inner end of the positioning groove 202, then a pair of clamping rods 305 are pressed, the clamping rod 305 drives the positioning rod 301 to adjust the position, the positioning rod 301 drives the positioning block 302 to be clamped in the inner end of the positioning groove 202, at this time, the plurality of positioning blocks 302 and the positioning rod 301 are positioned and clamped at the connection of the fire hydrant, the positioning clamping effect can be increased on the basis of the traditional clamping mode, so that the fire hose 104 will not easily fall off due to water pressure during installation, and then when the fire hose 104 needs to be disassembled, the clamping rod 305 is pulled to separate it from the positioning piece 306, the positioning piece 306 is composed of an elastic ring and an arc-shaped clamping head, which can not only stably clamp the clamping rod 305, but also when the clamping rod 305 is pulled, the arc-shaped groove 307 can conveniently separate the positioning piece 306, and the positioning block 302 is separated from the positioning groove 202 under the action of the spring ring 303, so that the device can be conveniently disassembled.
[0050] And when the guide ring 201 is positioned, the plurality of sealing rings 203 are stably clamped in the inner end of the guide ring 201 through the clamping block 205, so that the guide ring 201 is more stably positioned, the sealing property of the structure is improved, and the sealing property of the connection is improved.
[0051] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A hydrant quick connect coupling, comprising: Including the body mechanism (1), the outer end of the body mechanism (1) is provided with a connecting mechanism (2), and the outer end of the connecting mechanism (2) is movably connected with a positioning mechanism (3); The positioning mechanism (3) comprises positioning rods (301), the positioning rods (301) are symmetrically distributed, the positioning rods (301) are T-shaped structures, the rear end of the positioning rod (301) is provided with a positioning block (302), the outer end of the positioning rod (301) is sleeved with a spring ring (303), and the outer end of the positioning rod (301) is provided with a support block (304), and the inner end of the support block (304) is slidably connected with a clamping rod (305).
2. A hydrant quick connect coupling according to claim 1, wherein: The clamping rod (305) is a T-shaped structure, and the two sides of the clamping rod (305) are movably connected with positioning pieces (306).
3. A hydrant quick coupling according to claim 2, wherein: The inner end of the clamping rod (305) is provided with symmetrically distributed arc-shaped grooves (307), and the front side of the arc-shaped groove (307) is slidably connected with a connecting ring (308).
4. A hydrant quick coupling according to claim 3, wherein: The connecting ring (308) is located at the outer end of the positioning rod (301), the outer end of the connecting ring (308) is provided with a guide groove (309), and the guide groove (309) is located at the inner end of the body mechanism (1).
5. A hydrant quick coupling according to claim 1, wherein: The body mechanism (1) comprises a fire hydrant valve body (101), the outer end of the fire hydrant valve body (101) is fixedly connected with a connecting pipe (102), the outer end of the connecting pipe (102) is provided with a mounting head (103), the outer end of the mounting head (103) is movably connected with a fire hose (104), and the outer end of the fire hose (104) is sleeved with an anti-drop ring (105).
6. A hydrant quick coupling according to claim 5, wherein: The outer end of the mounting head (103) is sleeved with a guide ring (201), and the inner end of the guide ring (201) is provided with a positioning groove (202).
7. A hydrant quick coupling according to claim 6, wherein: The two ends of the positioning groove (202) are provided with sealing rings (203), the inner end of the guide ring (201) is provided with evenly distributed elastic elements (204), and the outer end of the elastic element (204) is provided with a clamping block (205).
8. A hydrant quick coupling according to claim 7, wherein: The outer end of the clamping block (205) is provided with a notch (206), and the notch (206) is located at the inner end of the sealing ring (203).
Citation Information
Patent Citations
High-pressure airtight fire hydrant
CN211836015U