Forest fire control connecting buckle

Abstract

The utility model relates to the technical field of fire-fighting connecting buckles, in particular to a forest fire-fighting connecting buckle which comprises a lower connecting buckle and an upper connecting buckle, a threaded column is sleeved in the middle of the lower connecting buckle, a limiting ring is sleeved in the middle of the upper connecting buckle, a nut is sleeved on the limiting ring, rubber rings are arranged at the tail ends of the outer walls of the lower connecting buckle and the upper connecting buckle, and an inserting groove is formed in the top of a protruding block. Clamping grooves are formed in the outer walls of the inserting grooves, lantern rings are arranged at the bottoms of the upper connecting buckles, and convex columns are arranged on the outer walls of the inserting blocks; according to the forest fire control connecting buckle, the rubber ring is arranged, so that position limiting and friction force increasing matching are conveniently carried out when the outer ends of the upper connecting buckle and the lower connecting buckle are connected with an external hose in an inserted mode, the upper connecting buckle is matched with a limiting ring and sleeved with a nut, and the nut penetrates through the limiting ring to be connected with a threaded column on the lower connecting buckle in a combined mode; the upper connecting buckle and the lower connecting buckle are rapidly combined and installed, the inserting block with the protruding column is matched with the inserting groove with the clamping groove in an inserted mode, and the installation stability of the upper connecting buckle and the lower connecting buckle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting connectors, in particular to a forest fire-fighting connector. Background Art

[0002] Fire connector is a fire-fighting equipment used between fire hoses or fire hose guns. The hose interface is used to connect hoses, fire trucks, fire hydrants, and water guns to transport water or foam mixture for fire extinguishing. It consists of a main body, a sealing ring seat, a rubber sealing ring, a retaining ring and other parts. There is a groove on the sealing ring seat for tying the hose.

[0003] The utility model patent with publication number CN212868899U discloses a fire-fighting connector, which includes a first connector and a second connector. A screw is provided on the outer side of the first connector for axial sliding along the first connector. A plurality of screws are evenly spaced along the circumference of the first connector. The joint of the first connector is provided with slots with the same number as the screws. The joint of the second connector is fixed with plug blocks matching the slots. An ear piece is fixed on the outer wall of the second connector. The ear piece is provided with a first screw hole matching the screw. When the plug block is plugged into the slot, the first screw hole is coaxially aligned with the screw.

[0004] In the above technical scheme, when firefighters connect the fire hose to the water gun and other connectors, they first connect the first connector with the second connector so that the upper plug block is plugged into the slot, and then manually rotate the screw to connect the screw to the first screw hole, thereby firmly connecting the first connector and the second connector, effectively preventing the first connector and the second connector from loosening during friction and collision on the ground, and having a good connection effect; however, the forest fire fighting connector combination structure is not simple enough, and it is not convenient to quickly combine and install or disassemble, and the outer end of the connector is not convenient for quick combination and connection with an external hose. Utility Model Content

[0005] The purpose of the utility model is to provide a forest fire fighting connector to solve the problem that the fire fighting connector assembly structure with the authorization publication number CN212868899U proposed in the above background technology is not simple enough, is not convenient for rapid assembly and installation or disassembly, and the outer end of the connector is not convenient for rapid assembly and connection with an external hose.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A forest fire fighting connector comprises a lower connector and an upper connector, wherein the lower connector is provided with a threaded column in the middle sleeve, the upper connector is provided with a limiting ring in the middle sleeve, a nut is provided on the limiting ring, rubber rings are provided on the ends of the outer walls of the lower connector and the upper connector, a plurality of protrusions are provided on the outer wall of the lower connector near the top, a slot is provided on the top of the protrusion, a card slot is provided on the outer wall of the slot, a collar is provided at the bottom of the upper connector, a plurality of plug-in blocks are provided at the bottom of the collar, and protrusions are provided on the outer walls of the plug-in blocks.

[0008] Preferably, one of the rubber rings is bonded and fixed to the outer wall of the lower buckle, and the other of the rubber rings is bonded and fixed to the outer wall of the upper buckle.

[0009] Preferably, a handle is symmetrically provided on the outer wall of the lower buckle, and the handle is bonded and fixed to the lower buckle.

[0010] Preferably, the threaded column and the lower buckle are an integrally formed structure, and the nut is threadedly connected to the threaded column.

[0011] Preferably, the limiting ring and the upper buckle are an integrally formed structure, the width of the outer wall of the limiting ring is matched with the width of the inner wall of the nut, and the nut is slidably connected to the limiting ring.

[0012] Preferably, the inner diameter of the collar is matched with the outer diameter of the lower buckle, the bottom of the collar is plugged into the top of the lower buckle, the plug blocks are distributed in a ring shape with equal intervals, and the bosses and the plug blocks are an integrally formed structure.

[0013] Preferably, the protrusion and the lower buckle are an integrally formed structure, the width of the inner wall of the slot is matched with the width of the outer wall of the plug-in block, and the outer diameter of the protrusion is matched with the width of the slot.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model provides a rubber ring to facilitate position limitation when the outer ends of the upper and lower buckles are plugged and combined with the external hose, thereby increasing friction. A limiting ring is provided on the upper buckle and a nut is sleeved thereon. The nut passes through the limiting ring and is combined and connected with the threaded column on the lower buckle, thereby realizing rapid combined installation of the upper and lower buckles. The plug-in block with the convex column is plugged and matched with the slot with the card slot, thereby increasing the stability of the installation of the upper and lower buckles.

[0016] 2. The utility model provides a fulcrum by setting a handle to facilitate the combined connection of the lower buckle and the upper buckle. A ring is installed on the upper buckle, and the ring is plugged into the lower buckle to reduce the gap at the connection, which helps to combine the upper buckle and the lower buckle and reduce the impact of water leakage. The outer wall of the nut is equipped with anti-slip patterns to increase friction and facilitate manual rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall combined structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the nut in the open state of the utility model;

[0019] Figure 3 This is a schematic diagram of the lower buckle structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the upper buckle structure of the utility model.

[0021] The meaning of each number in the figure is:

[0022] 1. lower buckle; 10. threaded column; 11. protrusion; 110. slot; 111. card slot; 12. handle;

[0023] 2. Upper buckle; 20. Limiting ring; 21. Ring; 22. Insert block; 220. Boss;

[0024] 3. Nut;

[0025] 4. Rubber ring. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 4 , this embodiment provides a technical solution:

[0028] A forest fire fighting connector comprises a lower connector 1 and an upper connector 2, wherein a threaded column 10 is sleeved in the middle of the lower connector 1, a limiting ring 20 is sleeved in the middle of the upper connector 2, a nut 3 is sleeved on the limiting ring 20, rubber rings 4 are provided at the ends of the outer walls of the lower connector 1 and the upper connector 2, a plurality of protrusions 11 are provided on the outer wall of the lower connector 1 near the top, a slot 110 is provided at the top of the protrusion 11, a card slot 111 is provided on the outer wall of the slot 110, a collar 21 is provided at the bottom of the upper connector 2, a plurality of plug blocks 22 are provided at the bottom of the collar 21, and a protrusion 220 is provided on the outer wall of the plug blocks 22.

[0029] In this embodiment, one of the rubber rings 4 is bonded and fixed to the outer wall of the lower buckle 1, and the other rubber ring 4 is bonded and fixed to the outer wall of the upper buckle 2. The cooperation of the rubber rings 4 increases the friction force connected with the external hose, which facilitates stable combined connection with the hose.

[0030] Furthermore, a handle 12 is symmetrically provided on the outer wall of the lower buckle 1, and the handle 12 is bonded and fixed to the lower buckle 1. The handle 12 can provide a fulcrum, which helps to combine and connect the lower buckle 1 with the upper buckle 2.

[0031] Specifically, the threaded column 10 and the lower buckle 1 are an integrally formed structure, and the nut 3 is threadedly connected to the threaded column 10. With the cooperation of the nut 3 and the threaded column 10, the lower buckle 1 and the upper buckle 2 are stably combined and installed.

[0032] It should be noted that the limit ring 20 and the upper buckle 2 are an integrally formed structure, the width of the outer wall of the limit ring 20 is adapted to the width of the inner wall of the nut 3, and the nut 3 is slidingly connected to the limit ring 20. With the cooperation of the limit ring 20, it is easy to limit the range of movement of the nut 3, which helps to fix the nut 3 and the lower buckle 1, thereby achieving the stability of the combined connection between the lower buckle 1 and the upper buckle 2.

[0033] Furthermore, the inner diameter of the ring 21 is adapted to the outer diameter of the lower buckle 1, the bottom of the ring 21 is plugged into the top of the lower buckle 1, the plug blocks 22 are distributed in a ring shape with equal intervals, the protruding column 220 and the plug blocks 22 are an integrally formed structure, and with the cooperation of the ring 21, it is convenient to plug and combine the upper buckle 2 and the lower buckle 1, reduce the gap at the connection, and thereby reduce the impact of water leakage.

[0034] It is worth adding that the protrusion 11 and the lower buckle 1 are an integrally formed structure, the width of the inner wall of the slot 110 is adapted to the width of the outer wall of the plug-in block 22, the outer diameter of the boss 220 is adapted to the width of the slot 111, the plug-in block 22 is plug-fitted with the slot 110, and the boss 220 is plug-fitted with the slot 111, thereby achieving preliminary plug-in installation of the upper buckle 2 and the lower buckle 1.

[0035] When the forest fire fighting buckle of this embodiment is used, the user manually connects the rubber ring 4 with the lower buckle 1 and the upper buckle 2 respectively, and then connects the handle 12 with the lower buckle 1 with the threaded column 10, manually sets the nut 3 on the upper buckle 2 with the limiting ring 20, the ring 21 is connected with the upper buckle 2, the plug block 22 with the convex column 220 is connected with the upper buckle 2, and then the corresponding hoses in the outside are connected with the lower buckle 1 and the upper buckle 2 respectively. When the upper buckle 2 is connected to the lower buckle 1, the upper buckle 2 is connected to the lower buckle 1. When a combined connection is required, manually plug the ring 21 into the top of the lower buckle 1, and the plug block 22 into the slot 110, and the boss 220 into the slot 111, to achieve preliminary plug-in installation of the lower buckle 1 and the upper buckle 2, and then put the nut 3 with anti-slip grooves on the limit ring 20, and the nut 3 is threadedly connected to the threaded column 10 to achieve stable combined installation of the lower buckle 1 and the upper buckle 2. The overall combined installation is convenient, easy to disassemble and replace, and the snap-on installation is stable, which is convenient for manual and quick combined installation.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A forest fire fighting buckle, comprising a lower buckle (1) and an upper buckle (2), wherein the lower buckle (1) is provided with a threaded column (10) in the middle sleeve, and the upper buckle (2) is provided with a limit ring (20) in the middle sleeve, and a nut (3) is provided on the limit ring (20), characterized in that: The lower buckle (1) and the upper buckle (2) are both provided with rubber rings (4) at their ends on the outer walls; a plurality of protrusions (11) are provided on the outer wall of the lower buckle (1) near the top; a slot (110) is provided on the top of the protrusion (11); a clamping slot (111) is provided on the outer wall of the slot (110); a sleeve ring (21) is provided on the bottom of the upper buckle (2); a plurality of insert blocks (22) are provided on the bottom of the sleeve ring (21); and a protruding column (220) is provided on the outer wall of each insert block (22).

2. The forest fire fighting connector according to claim 1, characterized in that: One of the rubber rings (4) is bonded and fixed to the outer wall of the lower buckle (1), and the other of the rubber rings (4) is bonded and fixed to the outer wall of the upper buckle (2).

3. The forest fire fighting connector according to claim 1, characterized in that: A handle (12) is symmetrically provided on the outer wall of the lower buckle (1), and the handle (12) is bonded and fixed to the lower buckle (1).

4. The forest fire fighting connector according to claim 1, characterized in that: The threaded column (10) and the lower buckle (1) are an integrally formed structure, and the nut (3) is threadably connected to the threaded column (10).

5. The forest fire fighting connector according to claim 1, characterized in that: The limiting ring (20) and the upper buckle (2) are an integrally formed structure, the width of the outer wall of the limiting ring (20) is matched to the width of the inner wall of the nut (3), and the nut (3) and the limiting ring (20) are slidably connected.

6. The forest fire fighting connector according to claim 1, characterized in that: The inner diameter of the collar (21) is matched to the outer diameter of the lower buckle (1); the bottom of the collar (21) is plugged into the top of the lower buckle (1); the plug blocks (22) are distributed in a ring shape with equal spacing; and the convex column (220) and the plug blocks (22) are an integrally formed structure.

7. The forest fire fighting connector according to claim 1, characterized in that: The protrusion (11) and the lower buckle (1) are an integrally formed structure, the width of the inner wall of the slot (110) matches the width of the outer wall of the insert block (22), and the outer diameter of the protrusion (220) matches the width of the slot (111).

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