Quick-release type fire-fighting connecting buckle
By designing a quick-release fire hose coupling, and utilizing the combination of insert plates, arc blocks, and support springs, the fire hose coupling can be quickly locked and unlocked, solving the problem of long connection time for fire hose couplings in emergency situations, and improving the efficiency and sealing of fire pipelines.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI RENXUANMENG FIRE TECH CO LTD
- Filing Date
- 2025-06-04
- Publication Date
- 2026-04-10
AI Technical Summary
Existing fire hose couplings take time to connect multiple fire hoses in emergency situations, affecting firefighting efficiency, and the lack of limiting components makes rotational locking inconvenient.
A quick-release fire hose coupling was designed, including a snap ring and a coupling ring. The snap ring has an arc-shaped block and a support spring in a groove on the snap plate, and a limiting ring and a locking element in the annular groove. By inserting the snap plate into the annular groove and using the cooperation of the support spring and the limiting ring, quick locking and unlocking can be achieved.
It enables rapid connection and disassembly of fire-fighting couplings, improves pipeline connection efficiency, avoids twisting and jamming, and achieves a sealing effect after connection.
Smart Images

Figure CN224107833U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fire fighting connector, especially to a quick-release fire fighting connector. BACKGROUND
[0002] When the fire fighting connector is disassembled, only need to align the fire fighting connector on one side with the fire fighting connector on the other side, then rotate the fire fighting connector on one side, so that the hook on the inner wall of the fire fighting connector on this side is inserted with the plugboard on the inner wall of the fire fighting connector on the other side, and the hook is hung with the plugboard, and the hook is separated from the plugboard, that is, the quick disassembly and assembly can be realized.
[0003] But in the use process, the inside lacks the limiting component and needs to be aligned before rotating the clamping, and in the emergency, when the multiple fire fighting pipes are connected, it needs to consume a certain time, so that the efficiency of the fire fighting is affected when the fire is put out. UTILITY MODEL CONTENTS
[0004] According to the deficiencies of the prior art, the utility model aims at providing a quick-release fire fighting connector to solve the technical problems mentioned in the background.
[0005] The above technical purpose of the utility model is realized by the following technical scheme:
[0006] A quick-release fire fighting connector, comprising a plug-in ring and a connector ring, the side of the plug-in ring is connected with a plugboard, and the side of the connector ring is provided with an annular groove;
[0007] A plurality of grooves are arranged on the outer circumferential side of the plugboard, an arc-shaped block is slidably connected in the groove, the arc-shaped block is dynamically sealed in the groove, a supporting spring is connected between the arc-shaped block and the inner wall of the groove, and an unlocking piece is arranged on the side opposite to the plugboard of the plug-in ring.
[0008] The outer ring wall of the annular groove is connected with a limiting ring, the inner circumferential edge of the limiting ring is inclined, and a locking piece is connected to the inner side wall of the annular groove.
[0009] In a preferred example, the locking piece can further be configured to include a plurality of limiting springs, the limiting springs are connected to the inner side wall of the annular groove, and the end portions of the plurality of limiting springs are connected with a push ring, and the push ring is slidably connected in the annular groove.
[0010] The utility model discloses a further configuration in a preferable example can be: the unlocking piece includes the number of through groove, the through groove is set up in the side wall of the insert buckle ring, and the through groove is communicated with corresponding recess respectively, the ring -shaped sliding slot is communicated with a plurality of through groove, and the ring -shaped sliding slot is slidably connected with the sliding ring in the ring -shaped sliding slot, and is the dynamic seal setting, the ring -shaped sliding slot is connected with the support shaft on the side away from the insert plate, and the end of support shaft is connected with the pull ring.
[0011] The utility model discloses a further configuration in a preferable example can be: the insert buckle ring is located on one side of the insert plate still sets up the sealing groove, and the inner ring wall and the outer ring wall of the sealing groove are all connected with the sealing ring, and the insert buckle ring is located on one side of the limiting ring and is connected with the sealing ring corresponding with the sealing groove.
[0012] The utility model discloses a further configuration in a preferable example can be: the limiting ring is connected with the number of annular strips on one side in the annular groove, and the arc -shaped groove corresponding with the annular strip is set up on one side of the arc -shaped block close to the insert buckle ring.
[0013] The utility model discloses a further configuration in a preferable example can be: the arc -shaped block is set up as the arc on one side away from the recess, and the edge of one side away from the insert buckle ring of the arc -shaped block is set up as the inclination.
[0014] Summarized above, the utility model discloses at least one of following beneficial technical effects:
[0015] 1. The quick release type fire service connector, when in use, directly holds the insert buckle ring and the insert buckle ring with two hands respectively, and the insert plate is inserted into the annular groove and pressed to complete the butt joint locking, which saves the twisting step, improves the efficiency of pipeline butt joint when the fire service connector is in use, avoids the phenomenon of jamming when twisting, and improves the efficiency of fire service pipeline butt joint with the connector.
[0016] 2. When the insert buckle ring and the insert buckle ring are mutually butted, the sealing ring is inserted into the sealing groove, and the inner peripheral side and the outer peripheral side of the sealing ring are extruded to two sealing rings, so that the inner peripheral side and the outer peripheral side of the sealing ring are tightly attached to the two sealing rings, and the effect that the insert buckle ring and the insert buckle ring can be sealed after butt joint is achieved.
[0017] 3. The quick release type fire service connector, the arc -shaped block is set up as the arc on one side away from the recess, so that it can conform to the arc of the annular groove and be smoothly inserted into the arc -shaped groove, and the edge of one side away from the insert buckle ring of the arc -shaped block is set up as the inclination, which can cooperate with the inner peripheral edge of the limiting ring, so that the arc -shaped block can be slowly extruded into the recess, and the phenomenon of edge conflict is avoided. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0019] Figure 1 It is a whole structure schematic view of a quick-release fire connection of the present application.
[0020] Figure 2 It is a sectional structure schematic view of a quick-release fire connection of the present application.
[0021] Figure 3 It is a whole structure schematic view of a quick-release fire connection of the present application. Figure 2 It is an enlarged structure schematic view of A in the present application.
[0022] Figure 4 It is an enlarged structure schematic view of B in the present application. Figure 2 It is an enlarged structure schematic view of B in the present application.
[0023] In the figure, 1, plug-in buckle ring; 2, connection buckle ring; 3, plug-in plate; 4, annular groove; 5, recess; 6, arc-shaped block; 7, supporting spring; 8, unlocking piece; 9, limiting ring; 10, locking piece; 11, limiting spring; 12, push ring; 13, through groove; 14, annular sliding groove; 15, sliding ring; 16, supporting shaft; 17, pull ring; 18, sealing groove; 19, sealing ring; 20, sealing ring; 21, annular strip; 22, arc-shaped groove. DETAILED DESCRIPTION
[0024] The present application will be further described in detail below with reference to the drawings.
[0025] Embodiment: refer to Figures 1-4 The present application discloses a quick-release fire connection, which comprises a plug-in buckle ring 1 and a connection buckle ring 2, the side of the plug-in buckle ring 1 is connected with a plug-in plate 3, and the side of the connection buckle ring 2 is provided with an annular groove 4.
[0026] The outer circumferential side of the plug-in plate 3 is provided with a plurality of recesses 5, the recesses 5 are slidably connected with arc-shaped blocks 6, the arc-shaped blocks 6 are dynamically sealed in the recesses 5, supporting springs 7 are connected between the arc-shaped blocks 6 and the inner walls of the recesses 5, and the side, opposite to the plug-in plate 3, of the plug-in buckle ring 1 is provided with an unlocking piece 8.
[0027] The outer ring wall of the annular groove 4 is connected with a limiting ring 9, the inner circumferential edge of the limiting ring 9 is inclined, and the inner side wall of the annular groove 4 is connected with a locking piece 10.
[0028] In the embodiment, refer to Figure 1The hand holds the connecting ring 2 and the inserting ring 1, and inserts the inserting plate 3 on the inserting ring 1 into the annular groove 4 on the connecting ring 2, as shown in Figure 3 The annular groove 4, after the inserting plate 3 is inserted into the annular groove 4, the arc-shaped block 6 will be resisted by the limiting ring 9, and the inner circumferential edge of the limiting ring 9 is inclined, so that the arc-shaped block 6 is pressed by the inclined edge of the inner circumferential edge of the limiting ring 9, and the arc-shaped block 6 is pressed into the groove 5, so that the inserting plate 3 is continuously inserted into the annular groove 4 until the arc-shaped block 6 loses the pressing of the limiting ring 9, at this time, the arc-shaped block 6 is rebounded by the air pressure in the groove 5 and the reaction force applied by the supporting spring 7 after being pressed, so that the arc-shaped block 6 is limited by the limiting ring 9, avoiding the disconnection of the inserting ring 1 and the connecting ring 2, and achieving the effect of quick installation. Figure 4 The annular groove 4, after the inserting plate 3 is inserted into the annular groove 4, the arc-shaped block 6 will be resisted by the limiting ring 9, and the inner circumferential edge of the limiting ring 9 is inclined, so that the arc-shaped block 6 is pressed by the inclined edge of the inner circumferential edge of the limiting ring 9, and the arc-shaped block 6 is pressed into the groove 5, so that the inserting plate 3 is continuously inserted into the annular groove 4 until the arc-shaped block 6 loses the pressing of the limiting ring 9, at this time, the arc-shaped block 6 is rebounded by the air pressure in the groove 5 and the reaction force applied by the supporting spring 7 after being pressed, so that the arc-shaped block 6 is limited by the limiting ring 9, avoiding the disconnection of the inserting ring 1 and the connecting ring 2, and achieving the effect of quick installation.
[0029] In the annular groove 4, the locking member 10 is further arranged, the locking member 10 pushes the push plate and drives the arc-shaped block 6 to tightly adhere to the limiting ring 9, so that the shaking between the inserting ring 1 and the connecting ring 2 after being connected is avoided, and the use is affected.
[0030] When it is necessary to disassemble, the unlocking member 8 on the inserting ring 1 drives the arc-shaped block 6 to enter the groove 5, so that the limitation between the inserting ring 1 and the connecting ring 2 is released, and the effect of quick disassembly is achieved.
[0031] In further preferable embodiments of the utility model, as shown in Figure 4 The locking member 10 includes a plurality of limiting springs 11, the limiting springs 11 are connected to the inner side wall of the annular groove 4, and the end portions of the plurality of limiting springs 11 are jointly connected with a push ring 12, and the push ring 12 is slidingly connected in the annular groove 4.
[0032] In the embodiment, the groove 5 in Figure 4 When the inserting plate 3 is inserted into the groove 5, the push ring 12 is also resisted, so that the push ring 12 presses the plurality of limiting springs 11, after the arc-shaped block 6 completely enters the groove 5 and passes through the limiting ring 9, the force of mutual pressing between the inserting ring 1 and the connecting ring 2 is released at this time, the limiting spring 11 pushes the push ring 12 at this time, the push ring 12 pushes the inserting plate 3, and then drives the arc-shaped block 6 to resist the limiting ring 9, so that the effect of locking the inserting ring 1 and the connecting ring 2 is achieved.
[0033] In further preferable embodiments of the utility model, as shown in Figure 3As shown, the unlocking piece 8 comprises a plurality of through grooves 13 formed in the side wall of the clasp ring 1, the through grooves 13 are communicated with the corresponding grooves 5, the side of the clasp opposite to the plug plate 3 is provided with an annular sliding groove 14 communicated with the through grooves 13, the annular sliding groove 14 is slidably connected with a sliding ring 15, and is provided with a dynamic seal, the side of the annular sliding groove 14 away from the plug plate 3 is connected with a supporting shaft 16, and the end of the supporting shaft 16 is connected with a pull ring 17.
[0034] In the embodiment, referring to Figure 3 the unlocking piece 8 in the clasp ring 1, the through grooves 13 are formed in the position of each groove 5 in the clasp ring 1, and the annular sliding groove 14 is formed in the clasp ring 1, the sliding ring is slidably connected in the annular sliding groove 14, and the other side of the sliding ring is connected with the supporting shaft 16 and the pull ring 17 through the supporting shaft 16;
[0035] When unlocking, one hand holds the edge of the clasp ring 1 and the clasp ring 2, so that the clasp ring 1 and the clasp ring 2 are extruded with each other, then the pull ring 17 is directly pulled, the pull ring 17 drives the sliding ring to move, air in the groove 5 is extracted, and negative pressure is formed, so that the arc-shaped block 6 enters the groove 5, then the extrusion of the clasp ring 1 and the clasp ring 2 is released, the plug plate 3 on the clasp ring 1 is separated from the annular groove 4, and the effect of quick disassembly is achieved.
[0036] In the further preferable embodiment of the utility model, as Figure 3 and Figure 4 shown, the clasp ring 1 is located on one side of the plug plate 3 and is further provided with a sealing groove 18, the inner ring wall and the outer ring wall of the sealing groove 18 are both connected with a sealing ring 19, and the clasp ring 2 is located on one side of the limiting ring 9 and is connected with a sealing ring 20 corresponding to the sealing groove 18.
[0037] In the embodiment, referring to Figure 3 the sealing groove 18 in the and Figure 4 the sealing ring 19 in the, when the clasp ring 1 and the clasp ring 2 are butted against each other, the sealing ring 20 will be inserted into the sealing groove 18, and the inner circumferential side and the outer circumferential side of the sealing ring 20 will extrude the two sealing rings 19, so that the inner circumferential side and the outer circumferential side of the sealing ring 20 are tightly attached to the two sealing rings 19, achieving the effect that the clasp ring 1 and the clasp ring 2 can be sealed after being butted against each other.
[0038] In the further preferable embodiment of the utility model, as Figure 3 and Figure 4 shown, the limiting ring 9 is connected with a plurality of annular strips 21 on one side in the annular groove 4, and the arc-shaped block 6 is provided with an arc-shaped groove 22 corresponding to the annular strips 21 on the side close to the clasp ring 1.
[0039] In the embodiment, reference is made to the annular strip 21 in the Figure 4 When the arc-shaped slot 22 on the arc-shaped block 6 is in contact with the annular strip 21 after the plug-in plate 3 is inserted into the annular slot 4 and the push ring 12 pushes the plug-in plate 3 and drives the arc-shaped block 6 to be in contact with the limiting ring 9, the arc-shaped slot 22 on the side of the arc-shaped block 6 will be clamped on the annular strip 21, avoiding the movement of the pull ring 17 caused by external collision, so as to achieve the automatic disengagement of the plug-in buckle ring 1 and the pull-in buckle ring 2. Figure 3
[0040] In the further preferable embodiment of the utility model, as shown in the drawings, the side of the arc-shaped block 6 away from the groove 5 is arc-shaped, and the side edge of the arc-shaped block 6 away from the plug-in buckle ring 1 is inclined. Figure 3
[0041] In the embodiment, reference is made to the arc-shaped block 6 in the Figure 3 When the side of the arc-shaped block 6 away from the groove 5 is arc-shaped, it can conform to the arc of the annular slot 4 and be smoothly inserted into the arc-shaped slot 22, and the side edge of the arc-shaped block 6 away from the plug-in buckle ring 1 is inclined, which can cooperate with the inner circumferential side edge of the limiting ring 9, so that the arc-shaped block 6 can be slowly extruded into the groove 5, avoiding the phenomenon of corner contact.
[0042] The implementation principle of the above embodiment is as follows: the pull-in buckle ring 1 and the plug-in buckle ring 2 are held by hand, the plug-in plate 3 on the plug-in buckle ring 1 is inserted into the annular slot 4 on the pull-in buckle ring 2, after the plug-in plate 3 is inserted into the annular slot 4, the arc-shaped block 6 will be in contact with the limiting ring 9, the inner circumferential side edge of the limiting ring 9 is inclined, the inclined side of the inner circumferential side edge of the limiting ring 9 extrudes the arc-shaped block 6, the arc-shaped block 6 is extruded into the groove 5, the plug-in plate 3 continues to be inserted into the annular slot 4, until the arc-shaped block 6 loses the extrusion of the limiting ring 9, at this time, the arc-shaped block 6 rebounds by the back force exerted by the air pressure in the groove 5 and the supporting spring 7 after being extruded, so that the arc-shaped block 6 is limited by the limiting ring 9;
[0043] When unlocking, one hand holds the edges of the plug-in buckle ring 1 and the pull-in buckle ring 2, so that the plug-in buckle ring 1 and the pull-in buckle ring 2 are extruded, then the pull ring 17 is directly pulled, the pull ring 17 drives the movement of the sliding ring, and then the air in the groove 5 is extracted and negative pressure is formed, so that the arc-shaped block 6 enters the groove 5, then the extrusion of the plug-in buckle ring 1 and the pull-in buckle ring 2 is released, the plug-in plate 3 on the plug-in buckle ring 1 is separated from the annular slot 4, and the effect of rapid disassembly is achieved.
[0044] The embodiments of the specific implementation are preferable embodiments of the utility model, and are not limited to the protection scope of the utility model, so that: any equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A quick release fire coupling comprising a spigot ring (1) and a coupling ring (2), characterised in that, The side of the plug-in buckle ring (1) is connected with a plug-in plate (3), and the side of the plug-in buckle ring (2) is provided with an annular groove (4). The outer circumferential side of the plug-in plate (3) is provided with a plurality of grooves (5), the arc-shaped blocks (6) are slidably connected in the grooves (5), the arc-shaped blocks (6) are dynamically sealed in the grooves (5), the support springs (7) are connected between the arc-shaped blocks (6) and the inner walls of the grooves (5), and the side, opposite to the plug-in plate (3), of the plug-in buckle ring (1) is provided with an unlocking piece (8). The outer ring wall of the annular groove (4) is connected with a limiting ring (9), the inner circumferential side edge of the limiting ring (9) is inclined, and the inner side wall of the annular groove (4) is connected with a locking piece (10).
2. A quick release fire coupling according to claim 1, wherein, The locking piece (10) comprises a plurality of limiting springs (11) connected to the inner side wall of the annular groove (4), and the end portions of the plurality of limiting springs (11) are jointly connected with a push ring (12) slidably connected in the annular groove (4).
3. A quick release fire coupling according to claim 2, wherein, The unlocking piece (8) comprises a plurality of through grooves (13) formed in the side wall of the plug-in buckle ring (1), the plurality of through grooves (13) are respectively communicated with the corresponding grooves (5), the side, opposite to the plug-in plate (3), of the plug-in buckle ring (1) is provided with an annular sliding groove (14) communicated with the plurality of through grooves (13), the annular sliding groove (14) is slidably connected with a sliding ring (15) and is dynamically sealed, the side, away from the plug-in plate (3), of the annular sliding groove (14) is connected with a support shaft (16), and the end portion of the support shaft (16) is connected with a pull ring (17).
4. The quick disconnect fire coupling of claim 1, wherein: The side of the plug-in buckle ring (1), located on one side of the plug-in plate (3), is further provided with a sealing groove (18), the inner ring wall and the outer ring wall of the sealing groove (18) are both connected with a sealing ring (19), and the side, located on one side of the limiting ring (9), of the plug-in buckle ring (2) is connected with a sealing ring (20) corresponding to the sealing groove (18).
5. The quick disconnect fire coupling of claim 1, wherein: The side, located in the annular groove (4), of the limiting ring (9) is connected with a plurality of annular strips (21), and the side, close to the plug-in buckle ring (1), of the arc-shaped block (6) is provided with an arc-shaped groove (22) corresponding to the annular strip (21).
6. A quick release fire coupling according to claim 1, wherein, The side, away from the groove (5), of the arc-shaped block (6) is arc-shaped, and the side edge, away from the plug-in buckle ring (1), of the arc-shaped block (6) is inclined.