Quick-connection sealing device for fire hose

Abstract

The utility model discloses a fire hose quick-connection sealing device in the technical field of fire hoses, which comprises a hose, a first connector is fixedly arranged at one end of the hose, a second connector is fixedly arranged at the other end of the hose, a mounting disc is rotatably arranged on the outer side of the first connector, and a threaded ring is fixedly arranged on the inner side of the mounting disc. A smooth surface and a threaded surface are arranged on the outer side of the second connector from outside to inside, the threaded surface is in threaded connection with the threaded ring, multiple sets of limiting holes are formed in the outer side of the first connector, multiple sets of limiting columns in butt joint with the limiting holes are fixedly arranged on the outer side of the second connector, and two sets of positioning mechanisms in butt joint with the mounting disc are arranged on the outer side of the second connector. By means of the simple installation structure, two sets of connectors can be rapidly connected and fixed, connection convenience and connection stability are improved, and therefore the fire fighting speed is increased, it is guaranteed that fire fighting work is rapidly conducted, the practical effect is good, and the fire fighting device is worthy of being popularized and used in the existing market.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire hose technical field more specifically, relate to a fire hose quick sealing device. BACKGROUND

[0002] Fire hose is used to transport high pressure water or foam etc. Flame -retardant liquid hose, traditional fire hose is lined with rubber, outer surface is wrapped with flax braid, advanced fire hose is made with polyurethane etc. Polymer material, both ends of fire hose have metal joint, can connect another water hose to extend distance or connect nozzle to increase liquid injection pressure, the connection of fire hose, when putting on the water hose connector, must pad a layer of soft protection, then is tied up with galvanized iron wire or hose clamp.

[0003] The existing fire hose needs to connect and fix two groups of fire hoses when extending use, the traditional fire hose connector is not quick enough, cannot quickly extend the fire hose, thereby cannot timely extinguish fire, and the existing connector is not stable enough, the connector has the possibility of separation when the fire hose transports high pressure water, which is inconvenient for the user to use.

[0004] In view of this, we propose a fire hose quick sealing device. UTILITY MODEL CONTENT

[0005] 1. Technical problem to be solved

[0006] The utility model aims at providing a fire hose quick sealing device to solve the problem of inconvenient quick extension of the existing fire hose in the background art, which affects the fire fighting speed.

[0007] 2. Technical scheme

[0008] A fire hose quick sealing device, comprising a water hose, a first connector is fixedly arranged at one end of the water hose, and a second connector is fixedly arranged at the other end of the water hose, a mounting disc is rotatably arranged on the outer side of the first connector, a threaded ring is fixedly arranged on the inner side of the mounting disc, a smooth surface and a threaded surface are arranged on the outer side of the second connector from the outside to the inside, and the second connector is movably inserted into the inner side of the mounting disc, the threaded surface is threadedly connected to the threaded ring, a plurality of limiting holes are formed on the outer side of the first connector, a plurality of limiting columns of butt joint limiting holes are fixedly arranged on the outer side of the second connector, and the outer side of the second connector is provided with two groups of positioning mechanisms of butt joint mounting discs.

[0009] Preferably, a sealing gasket is fixedly arranged on the outer side of the second connector, and a sealing groove for butt joint sealing gasket is formed on the outer side of the first connector.

[0010] Preferably, the positioning mechanism comprises a mounting cylinder fixed outside the second connecting head, a movable rod movably inserted inside the mounting cylinder, the movable rod movably penetrating the mounting cylinder and extending to the outside, and a connecting rod fixed outside the movable rod outside end, a limiting disc fixed outside the connecting rod outside end, and a plurality of tooth blocks fixed inside the limiting disc.

[0011] Preferably, a spring is arranged inside the mounting cylinder, one end of the spring being connected to the mounting cylinder and the other end of the spring being connected to the movable rod.

[0012] Preferably, a movable ring is fixed inside the mounting disc, and a fixed ring is fixed outside the first connecting head, the fixed ring outside being provided with a movable groove for the movable ring.

[0013] Preferably, a plurality of anti-skid blocks are fixed outside the mounting disc, the plurality of anti-skid blocks being made of soft material.

[0014] Preferably, a pull ring is fixed outside the limiting disc.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The mounting disc, threaded ring, smooth surface, threaded surface, limiting column and limiting hole are arranged, and the various structures are matched with each other, so that the two connecting heads can be quickly connected and fixed, the connection convenience and stability are improved, the fire fighting speed is improved, and the fire fighting work is ensured to be quickly performed.

[0018] 2. The mounting cylinder, movable rod, connecting rod, limiting disc, tooth groove and spring are arranged, and the various structures are matched with each other, so that the mounting disc can be conveniently positioned, the connecting stability of the connecting head is further ensured, and the situation of falling off is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a connecting head connection effect cross section schematic view of the utility model;

[0021] Figure 3 It is a first connecting head structure schematic view of the utility model;

[0022] Figure 4 It is a second connecting head structure schematic view of the utility model;

[0023] Figure 5 For the utility model Figure 2 The structure amplification schematic view of A place in the middle;

[0024] The label explanation in the drawing: 1 water hose, 2 first connecting head, 3 second connecting head, 4 mounting disc, 5 threaded ring, 6 smooth surface, 7 threaded surface, 8 limiting column, 9 limiting hole, 11 sealing gasket, 12 sealing groove, 13 mounting cylinder, 14 movable rod, 15 connecting rod, 16 limiting disc, 17 tooth slot, 18 spring, 19 movable ring, 20 fixed ring, 21 movable slot, 22 anti-skid block, 23 pull ring. DETAILED DESCRIPTION

[0025] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.

[0027] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, can be electrically connected; can be directly connected, can be indirectly connected through an intermediate medium, and can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Please refer to Figures 1-5 , the utility model provides a technical scheme:

[0029] The utility model provides a kind of fire hose quick sealing device, including water hose 1, water hose 1 one end is fixedly provided with first connector 2, and water hose 1 other end is fixedly provided with second connector 3, first connector 2 outside rotation is provided with mounting disc 4, mounting disc 4 inboard is fixedly provided with threaded ring 5, second connector 3 outside is provided with smooth surface 6, threaded surface 7 from outside to inside respectively, and second connector 3 is movably inserted in mounting disc 4 inboard, threaded surface 7 is threadedly connected in threaded ring 5, first connector 2 outside is provided with multiple sets of limiting hole 9, second connector 3 outside is fixedly provided with multiple sets of limiting post 8 that butt joint limiting hole 9, and second connector 3 outside is provided with two sets of positioning mechanism that butt joint mounting disc 4, threaded ring 5 and threaded surface 7 are threadedly connected, can improve the connection stability of first connector 2 and second connector 3, and simultaneously, due to the limiting effect of limiting post 8 and limiting hole 9, second connector 3 is connected with first connector 2 by translation, to improve the convenience of connection, so that water hose 1 cannot occur bending condition.

[0030] Specifically, second connector 3 outside is fixedly provided with sealing pad 11, first connector 2 outside is provided with sealing groove 12 that butt joint sealing pad 11, when second connector 3 butt joint first connector 2, sealing pad 11 is inserted into sealing groove 12, to improve the connection sealing property of second connector 3 and first connector 2.

[0031] Further, the positioning mechanism includes mounting cylinder 13 fixedly provided on the outside of second connector 3, the inside of mounting cylinder 13 movably inserts movable rod 14, movable rod 14 movably penetrates mounting cylinder 13 and extends to the outside, and the outside end of movable rod 14 is fixedly provided with connecting rod 15 on the outside part of mounting cylinder 13, the outside end of connecting rod 15 is fixedly provided with limiting disc 16, the inside of limiting disc 16 is fixedly provided with multiple sets of tooth blocks, the outside of mounting disc 4 is provided with multiple sets of tooth grooves 17 that butt joint tooth blocks, when limiting disc 16 is attached to mounting disc 4, tooth blocks are clamped into tooth grooves 17, to facilitate the positioning of mounting disc 4, avoid the displacement of second connector 3 caused by accidental contact with mounting disc 4.

[0032] It is worth mentioning that spring 18 is arranged on the inside of mounting cylinder 13, one end of spring 18 is connected to mounting cylinder 13, and the other end of spring 18 is connected to movable rod 14, spring 18 does not deform in initial state, when limiting disc 16 is pulled to separate from mounting disc 4, the movement of limiting disc 16 can drive movable rod 14 to move and stretch spring 18, at this time, spring 18 deforms, after butt joint of second connector 3 and first connector 2 is completed, limiting disc 16 is released, at this time, the elastic potential energy of spring 18 is released, to drive limiting disc 16 to quickly attach to the outside of mounting disc 4, to improve the positioning convenience of mounting disc 4.

[0033] It is worth noting that the movable ring 19 is fixedly arranged on the inner side of the mounting disc 4, the fixed ring 20 is fixedly arranged on the outer side of the first connecting head 2, the movable groove 21 is arranged on the outer side of the fixed ring 20 and is matched with the movable ring 19, and when the mounting disc 4 rotates, the movable ring 19 can be limited to slide in the movable groove 21, so that the rotation of the mounting disc 4 is facilitated, and the mounting stability of the mounting disc 4 is ensured.

[0034] In addition, a plurality of anti-skid blocks 22 are fixedly arranged on the outer side of the mounting disc 4, the plurality of anti-skid blocks 22 are made of soft material, the friction of the mounting disc 4 is improved by arranging the anti-skid blocks 22, the rotation of the mounting disc 4 is more convenient, and therefore the connection convenience of the first connecting head 2 and the second connecting head 3 is further improved.

[0035] It has to be said that the pull ring 23 is fixedly arranged on the outer side of the limiting disc 16, the limiting disc 16 can be conveniently pulled by arranging the pull ring 23, and the operation convenience is improved.

[0036] Working principle: when the fire hose is extended, the limiting disc 16 is moved outward to be separated from the mounting disc 4, the second connecting head 3 is matched with the first connecting head 2, the limiting column 8 is inserted into the limiting hole 9, the smooth surface 6 on the outer side of the second connecting head 3 enters the inner side of the mounting disc 4 first, when the threaded surface 7 on the outer side of the second connecting head 3 enters the inner side of the mounting disc 4, the mounting disc 4 is rotated, the second connecting head 3 cannot rotate but can translate to the inner side of the mounting disc 4 due to the limiting of the limiting column 8 and the limiting hole 9, until the sealing gasket 11 is inserted into the sealing groove 12, the matching of the second connecting head 3 and the first connecting head 2 is completed, and finally the limiting disc 16 is loosened, the limiting disc 16 can be quickly attached to the mounting disc 4 by the rebound force of the spring 18, so that the mounting disc 4 can be positioned, and the connection stability of the first connecting head 2 and the second connecting head 3 is ensured.

[0037] The above shows and describes the basic principle, main features and advantages of the utility model. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and the description in the specification are only preferred examples of the utility model and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A quick coupling sealing device for fire hose, comprising a hose (1), characterized in that: The water hose (1) one end is fixedly provided with a first connector (2), and the other end of the water hose (1) is fixedly provided with a second connector (3), the outer side of the first connector (2) is rotatably provided with a mounting disc (4), the inner side of the mounting disc (4) is fixedly provided with a threaded ring (5), the outer side of the second connector (3) is provided with a smooth surface (6) and a threaded surface (7) from outside to inside, and the second connector (3) is movably inserted into the inner side of the mounting disc (4), the threaded surface (7) is threadedly connected to the threaded ring (5), a plurality of limiting holes (9) are formed in the outer side of the first connector (2), a plurality of limiting columns (8) are fixedly arranged on the outer side of the second connector (3) and abut against the limiting holes (9), and the outer side of the second connector (3) is provided with two sets of positioning mechanisms which abut against the mounting discs (4).

2. A quick connect sealing device for fire hose according to claim 1, wherein: The outer side of the second connector (3) is fixedly provided with a sealing gasket (11), and the outer side of the first connector (2) is provided with a sealing groove (12) which abuts against the sealing gasket (11).

3. The quick connect sealing device for fire hose of claim 1, wherein: The positioning mechanism comprises a mounting cylinder (13) fixedly arranged on the outer side of the second connector (3), an activity rod (14) movably inserted into the inner side of the mounting cylinder (13), the activity rod (14) movably penetrates through the mounting cylinder (13) and extends to the outer side, a connecting rod (15) fixedly arranged on the outer side end of the activity rod (14) and located on the outer side of the mounting cylinder (13), a limiting disc (16) fixedly arranged on the outer side end of the connecting rod (15), a plurality of tooth blocks fixedly arranged on the inner side of the limiting disc (16), and a plurality of tooth grooves (17) formed in the outer side of the mounting disc (4) and abutting against the tooth blocks.

4. A quick connect sealing device for fire hose according to claim 3, wherein: A spring (18) is arranged on the inner side of the mounting cylinder (13), one end of the spring (18) is connected to the mounting cylinder (13), and the other end of the spring (18) is connected to the activity rod (14).

5. The quick connect sealing device for fire hose of claim 1, wherein: An activity ring (19) is fixedly arranged on the inner side of the mounting disc (4), a fixed ring (20) is fixedly arranged on the outer side of the first connector (2), and an activity groove (21) is formed in the outer side of the fixed ring (20) and abuts against the activity ring (19).

6. The quick connect sealing device for fire hose of claim 1, wherein: A plurality of anti-skid blocks (22) are fixedly arranged on the outer side of the mounting disc (4), and the plurality of anti-skid blocks (22) are all made of soft material.

7. The quick-connecting sealing device for fire hose according to claim 3, characterized in that: A pull ring (23) is fixedly arranged on the outer side of the limiting disc (16).

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