Fire-fighting water pipe connector for fire fighting

By using fixed components including connecting rings, plug blocks, movable rings, sliders, limiting parts and return springs in the fire water pipe connection head, the problem of poor stability at the connection of the existing fire water pipe connection head is solved, and the stability of the pipe connection is achieved.

CN222848838UActive Publication Date: 2025-05-09SICHUAN CHUANAN JINGKO FIRE SAFETY EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421734424.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-09
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing fire water pipe connection heads are connected to the pipe through four L-shaped rods, resulting in poor stability at the connection and prone to disconnection of the pipe.

Method used

A fire water pipe connection head including a first circular tube, a second circular tube and a fixing assembly is adopted. The fixing assembly includes a connecting ring, a plug block, a movable ring, a slider, a limiting member and a return spring. Through the cooperation of these components, a stable connection of the pipe is achieved.

Benefits of technology

Through this design, the stability of pipeline connection is achieved, the pipe disconnection is avoided, and the stability of pipeline connections is greatly improved.

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Abstract

The utility model relates to the technical field of fire-fighting instruments, in particular to a fire-fighting water pipe connector for fire fighting. Comprising a first round pipe, a second round pipe and a fixing assembly, the fixing assembly comprises a connecting ring, two inserting blocks, a movable ring, two sliding blocks and two limiting pieces, the connecting ring is fixedly connected with the second round pipe, the two inserting blocks are both fixedly connected with the connecting ring and are both located on the outer side wall of the connecting ring, and the two sliding blocks are both movably connected with the first round pipe; the two sliding blocks are arranged in the two sliding grooves and located in the corresponding sliding grooves respectively, the movable ring is fixedly connected with the two sliding blocks and arranged outside the first round pipe in a sleeving mode, the movable ring is provided with two fixing holes, the first round pipe is provided with two grooves, a limiting piece is arranged in each groove, and each set of limiting pieces are connected with the corresponding fixing holes respectively. According to the pipeline connecting device, the pipeline can be stably connected, the situation that the pipeline is broken is avoided, and the stability of the pipeline connecting position is greatly improved.
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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 for fire fighting. Background Art

[0002] With the further intensification of urbanization, high-rise buildings can be seen everywhere, and fire safety has received more and more attention. General buildings are equipped with fire-fighting equipment, such as conventional fire extinguishers, fire hydrants, etc. The fire hydrants are equipped with quick connectors and water gun heads connected with soft water pipes. When in use, the connectors are connected to the corresponding positions of the fire hydrants, and the fire hydrants are turned on. High-pressure water can be sprayed out through the connectors, soft water pipes, and water gun heads. The connectors are a component used to connect water pipes. The existing fire water pipe connector connection method is not firm, and the water pipe interface is prone to opening when the pressure increases, resulting in water leakage at the joints of the pipes.

[0003] In the prior art patent CN217502949U, a fire hose connector for fire fighting is disclosed, which includes a connecting ring, a second round tube, an L-shaped rod, an annular plate, a first round tube, a pressing plate, a connecting block, a spring, a T-shaped slot, a round shaft and a clamp. The second round tube and the first round tube are respectively fixedly connected to the water pipe using a clamp. When the fire hose needs to be connected, the two pressing plates are pressed by one hand to move the two pressing plates toward each other. The two pressing plates respectively drive the corresponding springs to be compressed. At this time, the second round tube plug is taken out. Insert it into the annular plate, so that one end of the second circular tube fits with one end of the first circular tube, and the connecting ring and the annular plate are tightly attached to each other. At this time, release the two pressing plates to make the two springs rebound, so that the two pressing plates respectively drive the corresponding clamping rings to rotate in opposite directions, and the two clamping rings respectively drive the corresponding L-shaped rods to move, so that the corresponding set of L-shaped rods respectively drive the corresponding round shafts to move along the corresponding T-shaped slots in the direction away from each other, so that the corresponding set of round shafts respectively clamp the corresponding T-shaped slots, and the connection of the fire water pipe is completed.

[0004] However, in the above method, the pipeline connection is achieved only by four L-shaped rods, the stability of the pipeline connection is poor, and the pipeline is easily disconnected. Utility Model Content

[0005] The utility model aims to provide a fire water pipe connector for fire fighting, which solves the problem that the existing pipe connection is only achieved by four L-shaped rods, the stability of the pipe connection is poor, and the pipe disconnection is easy to occur.

[0006] To achieve the above-mentioned purpose, the utility model adopts a fire-fighting water pipe connector for firefighting, comprising a first round pipe, a second round pipe and a fixing component, wherein the fixing component is arranged on the second round pipe and connected to the first round pipe;

[0007] The fixing assembly includes a connecting ring, two plug-in blocks, a movable ring, two sliders and two groups of limiting members. The first circular tube has an annular groove and two plug-in holes. The connecting ring is fixedly connected to the second circular tube. The two plug-in blocks are fixedly connected to the connecting ring and are located on the outer side wall of the connecting ring. The two plug-in blocks are respectively movably matched with the annular groove and the two plug-in holes. The first circular tube also has two sliding grooves. The two sliders are movably connected to the first circular tube and are respectively located in the corresponding sliding grooves. The movable rings are fixedly connected to the two sliders and are sleeved on the outside of the first circular tube. The movable ring has two fixing holes. The first circular tube has two grooves. The limiting member is arranged in each groove. Each group of limiting members is respectively connected to the corresponding fixing holes.

[0008] Wherein, the fixing assembly further includes two return springs, and the two return springs are respectively arranged in the corresponding sliding grooves and respectively fixedly connected to the corresponding sliding blocks.

[0009] Wherein, the limiting member includes a limiting arc block and a holding spring, the limiting arc block is movably connected to the second round tube and is located in the groove, and the holding spring is arranged in the groove and fixedly connected to the limiting arc block.

[0010] Among them, the fire-fighting water pipe connector for fire fighting also includes two groups of pressing components, the second round tube has two movable cavities, each group of pressing components is respectively connected to the corresponding limiting arc block and is respectively located on the corresponding movable cavity.

[0011] Wherein, the pressing assembly includes a movable rod and a pressing block, the movable rod is fixedly connected to the limiting arc block and is located in the corresponding movable cavity, and the pressing block is fixedly connected to the movable rod and passes through the movable cavity.

[0012] Wherein, the pressing assembly further comprises an extrusion arc plate, which is fixedly connected to the pressing block and is located on the outer side wall of the pressing block.

[0013] The utility model discloses a fire-fighting water pipe connector for fire fighting, when connecting the first round tube with the second round tube, the connecting ring on the first round tube is inserted into the second round tube, and the two plug-in blocks on the outer side of the connecting ring enter the two plug-in holes of the first round tube, and then the two plug-in blocks enter the annular groove, and then the first round tube is rotated 90 degrees to realize the clamping connection between the first round tube and the second round tube, and then the movable ring is moved on the outer wall of the first round tube, and the two sliders in the movable ring will slide in the two sliding grooves of the first round tube, the movable ring is sleeved on the outside of the second round tube, and is connected with the two fixing holes on the movable ring through the two groups of the limiting members on the second round tube, the movable ring is fixed on the outer wall of the first round tube, so that the connection between the first round tube and the second round tube is completed, and the movable ring protects the connection between the first round tube and the second round tube, and through the above method, it is achieved that the pipeline connection can be stable, the pipeline disconnection is avoided, and the stability of the pipeline connection is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0016] Figure 2 It is a schematic diagram of the overall disassembly of the first embodiment of the utility model.

[0017] Figure 3 It is a cross-sectional view of the overall internal structure of the first embodiment of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model.

[0019] Figure 5 It is a cross-sectional view of the overall internal structure of the second embodiment of the utility model.

[0020] 101-first round tube, 102-second round tube, 103-connecting ring, 104-plug-in block, 105-movable ring, 106-slider, 107-reset spring, 108-limiting arc block, 109-holding spring, 110-annular groove, 111-plug-in hole, 112-fixing hole, 113-groove, 114-sliding groove, 201-movable rod, 202-pressing block, 203-extrusion arc plate, 204-movable cavity. DETAILED DESCRIPTION

[0021] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0022] First embodiment

[0023] See also Figure 1 to Figure 3 ,in Figure 1 is a schematic diagram of the overall structure of the first embodiment, Figure 2 is a schematic diagram of the overall disassembly of the first embodiment, Figure 3 It is a cross-sectional view of the overall internal structure of the first embodiment.

[0024] The utility model provides a fire hose connector for fire fighting: comprising a first round tube 101, a second round tube 102 and a fixing assembly, wherein the fixing assembly comprises a connecting ring 103, two plug-in blocks 104, a movable ring 105, two sliders 106, two sets of stoppers and two return springs 107, wherein the stoppers comprise a stopper arc block 108 and a holding spring 109. The above-mentioned solution solves the problem that the existing pipe connection is only achieved by four L-shaped rods, the pipe connection is poor in stability, and the pipe is easily disconnected.

[0025] According to this specific embodiment, the fixing assembly is disposed on the second circular tube 102 and connected to the first circular tube 101 , and the first circular tube 101 and the second circular tube 102 are connected via the fixing assembly.

[0026] The first round tube 101 has an annular groove 110 and two plug holes 111, the connecting ring 103 is fixedly connected to the second round tube 102, the two plug blocks 104 are fixedly connected to the connecting ring 103 and are located on the outer side wall of the connecting ring 103, and the two plug blocks 104 are movably matched with the annular groove 110 and the two plug holes 111 respectively, the first round tube 101 also has two sliding grooves 114, the two sliders 106 are movably connected to the first round tube 101 and are located in the corresponding sliding grooves 114 respectively. 14, the movable ring 105 is fixedly connected to the two sliders 106 and is sleeved on the outside of the first round tube 101, the movable ring 105 has two fixing holes 112, the first round tube 101 has two grooves 113, each of the grooves 113 is provided with the limiting member, each group of the limiting members is respectively connected to the corresponding fixing holes 112, when the first round tube 101 is connected to the second round tube 102, by inserting the connecting ring 103 on the first round tube 101 into the second round tube 102, the connecting ring 103 on the first round tube 101 is connected to the second round tube 102, and the connecting ring 103 on the first round tube 101 is connected to the second round tube 102. The two plug-in blocks 104 on the outer side of the ring 103 enter the two plug-in holes 111 of the first circular tube 101, and then the two plug-in blocks 104 enter the annular groove 110, and then the first circular tube 101 is rotated 90 degrees to achieve the clamping connection between the first circular tube 101 and the second circular tube 102, and then the movable ring 105 is moved on the outer wall of the first circular tube 101, and the two sliders 106 in the movable ring 105 slide in the two sliding grooves 114 of the first circular tube 101, and the movable ring 105 clamps the second circular tube 102. 02, and is connected to the two fixing holes 112 on the movable ring 105 through the two sets of the limiting members on the second circular tube 102. The movable ring 105 is fixed to the outer wall of the first circular tube 101, so that the first circular tube 101 and the second circular tube 102 are connected. In addition, the movable ring 105 protects the connection between the first circular tube 101 and the second circular tube 102. Through the above method, it is achieved that the pipeline connection can be stabilized, the pipeline disconnection is avoided, and the stability of the pipeline connection is greatly improved.

[0027] Secondly, the two return springs 107 are respectively arranged in the corresponding sliding grooves 114 and are respectively fixedly connected to the corresponding sliders 106. The return springs 107 expand and contract with the movement of the movable ring 105. The return springs 107 pull the movable ring 105 to prevent the movable ring 105 from sliding freely on the outer wall of the first circular tube 101.

[0028] At the same time, the limiting arc block 108 is movably connected to the second circular tube 102 and is located in the groove 113. The retaining spring 109 is arranged in the groove 113 and fixedly connected to the limiting arc block 108. The limiting arc block 108 has an arc surface. When the movable ring 105 is movably sleeved on the outer wall of the second circular tube 102, the limiting arc block 108 will be squeezed by the movable ring 105. The limiting arc block 108 will enter the groove 113 and squeeze the retaining spring 109. When the movable ring 105 moves into place, the rebound force of the retaining spring 109 will push the limiting arc block 108 into the fixing hole 112 of the movable ring 105, so that the connection between the first circular tube 101 and the second circular tube 102 is completed. In addition, the movable ring 105 protects the connection between the first circular tube 101 and the second circular tube 102.

[0029] When connecting the first circular tube 101 with the second circular tube 102, the connecting ring 103 on the first circular tube 101 is inserted into the second circular tube 102, and the two plug-in blocks 104 on the outer side of the connecting ring 103 enter the two plug-in holes 111 of the first circular tube 101, and then the two plug-in blocks 104 enter the annular groove 110, and then the first circular tube 101 is rotated 90 degrees to achieve the clamping connection between the first circular tube 101 and the second circular tube 102, and then the movable ring 105 is moved on the outer wall of the first circular tube 101, and the two sliders 106 in the movable ring 105 will respectively pull the reset spring 107 in the two sliding grooves 114 of the first circular tube 101, and the movable ring 105 will pull the second circular tube 101 into the second circular tube 102. 102 is sleeved on the outside, at this time, the two limiting arc blocks 108 will be squeezed by the movable ring 105, each of the limiting arc blocks 108 will enter the groove 113 and squeeze the supporting spring 109, when the movable ring 105 moves into place, the rebound force of the supporting spring 109 will push the limiting arc block 108 into the fixing hole 112 of the movable ring 105, the movable ring 105 is fixed on the outer wall of the first circular tube 101, so that the first circular tube 101 and the second circular tube 102 are connected, and the movable ring 105 protects the connection between the first circular tube 101 and the second circular tube 102, through the above method, it is achieved that the pipeline connection can be stable, the pipeline disconnection is avoided, and the stability of the pipeline connection is greatly improved.

[0030] Second embodiment

[0031] See also Figure 4 and Figure 5 ,in Figure 4 is a schematic diagram of the overall structure of the second embodiment, Figure 5It is a cross-sectional view of the overall internal structure of the second embodiment.

[0032] On the basis of the first embodiment, a fire-fighting water pipe connector of the utility model further includes two sets of pressing components, and the pressing components include a movable rod 201 , a pressing block 202 and an extrusion arc plate 203 .

[0033] The second circular tube 102 has two movable cavities 204, and each group of the pressing components is respectively connected to the corresponding limiting arc block 108 and is respectively located on the corresponding movable cavity 204. By setting the pressing components and utilizing the pressing block 202 components, it is convenient to move the limiting arc block 108 into the groove 113, thereby facilitating the disassembly of the first circular tube 101 and the second circular tube 102.

[0034] The movable rod 201 is fixedly connected to the limiting arc block 108 and is located in the corresponding movable cavity 204. The pressing block 202 is fixedly connected to the movable rod 201 and passes through the movable cavity 204. When the first circular tube 101 and the second circular tube 102 are disassembled, the pressing block 202 is pushed on the outer side of the second circular tube 102, and the pressing block 202 drives the movable rod 201 to move downward in the movable cavity 204. In addition, the movable rod 201 drives the limiting arc block 108 from the fixing hole 112 of the movable ring 105 into the groove 113, and then the first circular tube 101 is twisted to separate the second circular tube 102. Through the above method, it is possible to easily move the limiting arc block 108 into the groove 113, so as to facilitate the disassembly of the first circular tube 101 and the second circular tube 102.

[0035] The extrusion arc plate 203 is fixedly connected to the pressing block 202 and is located on the outer wall of the pressing block 202. By arranging the extrusion arc plate 203 on the pressing block 202, the pressing block 202 can be easily extruded by using the extrusion arc plate 203.

[0036] When the first circular tube 101 and the second circular tube 102 are disassembled, the extrusion arc plate 203 is pressed on the outer side of the second circular tube 102, and the extrusion arc plate 203 pushes the pressing block 202 into the movable cavity 204, and the pressing block 202 drives the movable rod 201 to move downward in the movable cavity 204, and the movable rod 201 drives the limiting arc block 108 from the fixing hole 112 of the movable ring 105 into the groove 113, and then the first circular tube 101 is twisted to separate the second circular tube 102. Through the above method, it is possible to easily move the limiting arc block 108 into the groove 113, so as to facilitate the disassembly of the first circular tube 101 and the second circular tube 102.

[0037] The above disclosures are only two preferred embodiments of the present invention, which certainly cannot be used to limit the scope of the present invention. A person skilled in the art can understand that all or part of the processes of the above embodiments and equivalent changes made according to the claims of the present invention still fall within the scope of the present invention.

Claims

1. A fire hose connector for fire fighting, characterized in that: It comprises a first round tube, a second round tube and a fixing assembly, wherein the fixing assembly is arranged on the second round tube and connected to the first round tube; The fixing assembly includes a connecting ring, two plug-in blocks, a movable ring, two sliders and two groups of limiting members. The first circular tube has an annular groove and two plug-in holes. The connecting ring is fixedly connected to the second circular tube. The two plug-in blocks are fixedly connected to the connecting ring and are located on the outer side wall of the connecting ring. The two plug-in blocks are respectively movably matched with the annular groove and the two plug-in holes. The first circular tube also has two sliding grooves. The two sliders are movably connected to the first circular tube and are respectively located in the corresponding sliding grooves. The movable rings are fixedly connected to the two sliders and are sleeved on the outside of the first circular tube. The movable ring has two fixing holes. The first circular tube has two grooves. The limiting member is arranged in each groove. Each group of limiting members is respectively connected to the corresponding fixing holes.

2. The fire-fighting water pipe connector for fire-fighting according to claim 1, characterized in that: The fixing assembly further comprises two return springs, which are respectively arranged in the corresponding sliding grooves and respectively fixedly connected to the corresponding sliding blocks.

3. The fire-fighting water pipe connector for fire-fighting as claimed in claim 2, characterized in that: The limiting member includes a limiting arc block and a holding spring. The limiting arc block is movably connected to the second round tube and is located in the groove. The holding spring is arranged in the groove and fixedly connected to the limiting arc block.

4. The fire-fighting water pipe connector for fire-fighting as claimed in claim 3, characterized in that: The fire-fighting water pipe connector for fire fighting also includes two groups of pressing components, the second round tube has two movable cavities, each group of pressing components is respectively connected to the corresponding limiting arc block and is respectively located on the corresponding movable cavity.

5. The fire-fighting water pipe connector for fire-fighting as claimed in claim 4, characterized in that: The pressing assembly comprises a movable rod and a pressing block. The movable rod is fixedly connected to the limiting arc block and is located in a corresponding movable cavity. The pressing block is fixedly connected to the movable rod and passes through the movable cavity.

6. The fire-fighting water pipe connector for fire-fighting as claimed in claim 5, characterized in that: The pressing assembly also includes an extrusion arc plate, which is fixedly connected to the pressing block and is located on the outer side wall of the pressing block.

Citation Information

Patent Citations

  • Fire-fighting water pipe connector for fire fighting

    CN217502949U