CN211798476U

CN211798476U - Fire control connects knot

Info

Publication number: CN211798476U
Application number: CN202020369934.3U
Authority: CN
Inventors: 李梓靓
Original assignee: Taizhou Volla Fire Fighting Equipment Co ltd
Current assignee: Taizhou Volla Fire Fighting Equipment Co ltd
Priority date: 2020-03-21
Filing date: 2020-03-21
Publication date: 2020-10-30
Anticipated expiration: 2030-03-21

Abstract

The utility model discloses a fire control connects knot relates to fire-fighting equipment technical field, and its technical scheme main points are: the female joint comprises a female joint pipe, a male joint and a female joint body, wherein the inner end of the female joint pipe is connected with the outer end of the female joint body, the inner end of the female joint body is fixedly connected with a connecting assembly, and the connecting assembly is detachably connected with the male joint; a first ball track groove is formed in the outer wall of the inner end of the female joint pipe, a second ball track groove is formed in the inner wall of the outer end of the female joint body, the second ball track groove and the second ball track groove are combined and enclosed to form a track cavity, the bottom of the second ball track groove is provided with an external through hole of communication, balls can be fed into the track cavity through the through hole, and an end cap is detachably connected into the through hole. The female joint pipe and the male joint are connected with a water hose to be connected; after the water hose is filled with water, water flow impacts the twisted part of the water hose from the inside of the water hose, so that the water hose rotates, the water hose can drive the female joint pipe or the female joint body II to rotate, and the water hose of the twisted part returns to be normal.

Description

Fire control connects knot

Technical Field

The utility model relates to a fire-fighting equipment technical field, in particular to fire control connects knot.

Background

Fire control work concerns people's the security of the lives and property, and fire-fighting equipment includes hosepipe, joint, fire engine, fire-fighting water pump, and during the fire control was put out a fire, general hosepipe was connected to the water pump on the fire engine, and it carries to the destination to drive rivers through the hosepipe through the water pump, because the length of hosepipe is limited, consequently need interconnect many hosepipes to increase the length of hosepipe. The fire rescue process is not easy, and the connection speed between water belts is also an important part of the fire rescue process.

At present, chinese patent with publication number CN201428878Y discloses a fire control quick-operation joint, including male joint and female joint, the male joint includes the male joint body, and the female joint includes the female joint body, and this internal two notches that are equipped with of female joint have placed respectively rather than the sealing washer of equipping with in two notches. The male connector also comprises a push ring, the female connector also comprises a joint ring, a buckle plate elastic sheet and a sealing ring, the pipe end of the male connector and the pipe end of the female connector are provided with threads, the other end of the male connector body is provided with a flange, and the push ring is sleeved on the male connector body; a bayonet is arranged in the joint ring, a hasp plate is distributed in the bayonet of the joint ring, hasp plate elastic pieces are arranged on the inner walls of the hasp plate and the joint ring, and the hasp plate is provided with a horn bevel opening; the outer wall of the female joint is provided with a groove for connecting the water conduit, and the female joint body is in threaded connection with the joint ring.

When the quick connector is used, the pipe end of the male connector or the female connector is permanently connected with the pump body through threads at one time, the other end of the quick connector is connected with the water conduit, and the female connector and the male connector can be quickly sleeved and separated. The female connector is pushed into the male connector, the flange of the male connector body enters the horn bevel opening of the hasp plate in the joint ring, the hasp plate is extruded, the hasp plate elastic sheet is compressed, after the flange of the male connector body is pushed through the hasp plate, the hasp plate elastic sheet is restored, the flange of the body is fixed at the position of the sealing ring in the female connector body, and quick sleeving is achieved. The pushing ring is pushed into the joint ring to the horn bevel opening position of the hasp plate to extrude the hasp plate, the hasp plate elastic sheet is compressed, the flange of the male connector body can be pulled out, and quick separation is achieved.

The technical scheme has the following defects: before a water hose (water conduit) is used, the water conduit needs to be unfolded to a destination from a curled state, the water hose is easy to distort in the unfolding process of the water hose, if the distorted water hose is manually straightened, valuable fire rescue time is consumed, the water hose is not connected with the quick connector in time, and rescue time is delayed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fire control connects knot, it has can bring the water of distortion back to positive advantage.

The above technical purpose of the present invention can be achieved by the following technical solutions: a fire-fighting connector comprises a female connector pipe, a male connector and a female connector body, wherein the inner end of the female connector pipe is connected with the outer end of the female connector body, the inner end of the female connector body is fixedly connected with a connecting assembly, and the connecting assembly is detachably connected with the male connector; ball track groove one has been seted up to female joint pipe inner outer wall, ball track groove two has been seted up to the inner wall of female joint body outer end, ball track groove two and the combination of ball track groove enclose into there is the track chamber, the external through-hole of UNICOM is seted up to the tank bottom in ball track groove two, the through-hole can supply the ball to get into the track intracavity, can dismantle in the through-hole and be connected with the end cap.

According to the technical scheme, the water hose is fixedly connected with the female connector pipe, and the male connector is connected with the water hose to be connected; the inner end of the female joint pipe is connected with the outer end of the female joint body, the outer end of the female joint body is connected with the connecting assembly, and the male joint is connected with the connecting assembly to complete the connection of the female joint pipe and the male joint; female joint pipe stretches into behind the female joint body, ball track groove one and ball track groove two of male joint inner enclose to close and form the track chamber, the ball fills into the track intracavity from the through-hole, the rethread end cap seals the ball in the track intracavity, make the female joint body, coupling assembling and male joint can wholly take place to rotate for female joint pipe, if there is the hosepipe of one end to take place the distortion, the hosepipe leads to the water back, rivers from the inside distortion part that strikes the hosepipe of hosepipe, make the hosepipe take place to rotate, hosepipe alright drive female joint pipe or female joint body two and take place to rotate, go back to the water, thereby realize returning the positive purpose with the water area of distortion.

Preferably, the cross sections of the second ball track groove and the first ball track groove are both arc-shaped, the radius of the cross section of the second ball track groove is equal to the radius of the cross section of the first ball track groove, the circle center of the cross section of the second ball track groove coincides with the circle center of the cross section of the first ball track groove, the ball can roll in the track cavity, the top end of the ball body of the ball is located in the second ball track groove, and the bottom end of the ball body of the ball is located in the first ball track groove.

Through the technical scheme, form the track chamber after the centre of a circle of two cross sections in ball track groove and the centre of a circle coincidence of a cross section in ball track groove, the ball can roll in the track intracavity, guarantee that the track intracavity can fill sufficient ball, and simultaneously, the top of the ball body is located ball track groove two, the bottom of the ball body is located ball track groove one, a plurality of balls are filled into behind the track chamber, a plurality of balls can be spacing with female joint pipe and female joint body circumference, thereby guarantee that female joint pipe and female joint body can take place 360 degrees rotations, and female joint pipe and female joint body can not break away from.

Preferably, an O-shaped ring groove is formed in the outer wall of the inner end of the female joint pipe, an O-shaped ring is arranged in the O-shaped ring groove, and the outer wall of the O-shaped ring can abut against the inner wall of the female joint body.

Through above-mentioned technical scheme, after the inner of female joint pipe stretched into the female joint body, the outer wall of O type circle can support tightly in the inner wall of female joint body, guarantees that female joint pipe and female joint body are connected the back, and the clearance between female joint pipe and the female joint body is sealed.

Preferably, a grid is integrally formed in the female joint body, the outer side of the grid can be attached to the inner side surface of the female joint pipe, and the inner side of the grid can be attached to the inner side surface of the male joint.

According to the technical scheme, after the female joint pipe extends into the female joint body, the inner side surface of the female joint pipe can be attached to the outer side surface of the grating, so that the grating can axially limit the female joint pipe, and the female joint pipe and the female joint body can be conveniently assembled; after the male connector is connected with the connecting assembly, the inner side face of the male connector can be attached to the outer side face of the grating, so that the grating is axially limited to the male connector, and the male connector is convenient to connect with the connecting assembly.

Preferably, the connecting assembly comprises a hook plate frame, a joint ring and a plurality of hook plates, a plurality of mounting holes are circumferentially formed in the inner wall of the hook plate frame, the number of the mounting holes corresponds to the number of the hook plates one by one, positioning blocks are arranged at two ends of each hook plate, a guide arc surface is arranged on the outer side of each hook plate, elastic pieces are correspondingly connected to the inner sides of the hook plates one by one, the hook plates are connected in the mounting holes in a sliding mode, and the positioning blocks can axially limit the hook plates; the joint ring is sleeved on the outer side of the hook board frame, one end of the elastic piece is abutted against the inner wall of the joint ring, the positioning block can be abutted against the outer wall of the hook board frame, and the joint ring is fixedly connected to the outer wall of the inner end of the female joint body; the outer wall of male joint the inner radially is provided with the flange, the flange can with the direction cambered surface paste mutually and by the hasp board is axial spacing, the periphery wall of male joint slides and is connected with and pushes away the clamping ring, the external diameter more than or equal to that pushes away the clamping ring the external diameter of flange, it keeps away from to push away the clamping ring the one end of flange is provided with the turn-ups.

Through the technical scheme, the hook board is connected in the mounting hole in a sliding manner, the positioning blocks at the two ends of the hook board can be attached to the inner wall of the hook board frame, so that the hook board is prevented from being separated from the hook board frame, the inner side of the hook board is provided with the elastic piece, the joint ring is sleeved outside the hook board frame, the elastic piece is positioned between the hook board and the joint ring, the hook board is applied with outward elasticity, and then the joint ring is fixedly connected with the female connector body; the inner of male joint stretches into the hasp grillage, the inner of male joint with the direction cambered surface contact back, exert external force with the male joint, the hasp board is opened on the flange top on the male joint for the hasp board is to the internal contraction, and the male joint stretches into female joint originally internally, and after the flange passed the hasp board, the hasp board resets under the effect of elastic component, and the hasp board after resetting is spacing to the flange axial, accomplishes the connection that this fire control connects the knot.

When the male connector needs to be disassembled, the user holds the flanging, and the pushing ring moves towards the direction of the hook plate, so that the pushing ring jacks the hook plate and abuts against the flange, and then the hook plate and the male connector are integrally pulled out of the hook plate frame, and the male connector and the connecting assembly are disassembled.

Preferably, the outer wall in the middle of the male connector is provided with a limiting groove, a C-shaped ring is arranged in the limiting groove, and the C-shaped ring can be attached to the outer side of the flanging.

Through above-mentioned technical scheme, bulldoze the ring and slide when the male joint outer wall, C shape ring can paste with the turn-ups mutually for C shape ring is spacing to pushing away the clamping ring axial, avoids pushing away clamping ring and male joint and breaks away from.

Preferably, the male joint is close to the outer wall of flange is provided with the external screw thread, it keeps away from to push away the clamping ring the turn-ups inner wall is provided with the internal thread, just it has seted up and has dodged the groove to push away the clamping ring inner wall, the external screw thread with the interior screw-thread fit will it is fixed in to push away the clamping ring axial the male joint outer wall.

Through the technical scheme, the internal thread arranged on the push ring can be in threaded connection with the external thread on the male connector, so that the push ring is fixed on the outer wall of the male connector, and the push ring is prevented from being separated from the male connector; when the pushing ring needs to be used, the pushing ring is rotated, so that the pushing ring is separated from the limit of the threads; when the push ring is not needed, the push ring is fixed on the outer wall of the male connector in a threaded mode, and the possibility of misoperation of the push ring is reduced.

Preferably, the inner wall of the female joint body is provided with a sealing groove, a sealing ring is arranged in the sealing groove, and the inner wall of the sealing ring can be attached to the outer peripheral wall of the flange.

Through above-mentioned technical scheme, the medial surface of male joint contacts the back with the lateral surface of grid, and the inner wall of sealing ring contacts with the periphery wall of flange, has guaranteed the male joint and has rotated the leakproofness between the contact for water pressure is normal in this fire control connects the knot, does not influence the normal water delivery of hosepipe.

Preferably, a plurality of bosses I are arranged on the outer wall of the female joint pipe, which is far away from the female joint body, at intervals along the length direction; and a plurality of bosses II are arranged on the outer wall of the male connector far away from the flange at intervals along the length direction.

Through the technical scheme, the first boss is arranged on the outer wall of the female joint pipe, so that the female joint pipe is conveniently connected with the water hose; the boss II arranged on the outer wall of the male connector is convenient for the connection of the male connector and the water hose.

To sum up, the utility model discloses the beneficial effect who contrasts in prior art does:

1. after the fire fighting coupling is connected with a water hose to be connected and water is introduced, if the water hose is distorted, water flow in the water hose can drive the water hose to rotate, and the rotated water hose drives the female joint pipe or the male joint to rotate, so that the distorted water hose is finally straightened, and the normal water supply of the water hose is not influenced;

2. the fire-fighting connecting buckle is convenient to disassemble and assemble and convenient to use;

3. novel structure can have positive help to the fire rescue.

Drawings

FIG. 1 is a schematic diagram of an exploded structure of an embodiment;

FIG. 2 is an exploded view of the connecting assembly of the embodiment;

FIG. 3 is a schematic view in full section of an embodiment (with O-rings, C-rings, seals omitted);

FIG. 4 is another schematic view in full section of the embodiment;

FIG. 5 is a schematic full-sectional view of the thrust ring and the male connector in the embodiment;

FIG. 6 is a schematic structural view of the female connector tube and the male connector in the embodiment.

Reference numerals: 100. a female connector pipe; 110. a first ball track groove; 120. an O-shaped ring groove; 121. an O-shaped ring; 130. a first boss; 200. a male connector; 210. a flange; 220. pushing the pressure ring; 221. flanging; 222. an internal thread; 223. an avoidance groove; 230. a limiting groove; 231. a C-shaped ring; 240. an external thread; 250. a second boss; 300. a female connector body; 310. a second ball track groove; 311. a through hole; 3111. a plug; 320. a grid; 330. a sealing groove; 331. a seal ring; 400. a connecting assembly; 410. a hook board frame; 411. mounting holes; 420. a mating ring; 421. a rubber guard ring; 430. a hook plate; 431. positioning blocks; 432. a guiding cambered surface; 434. an elastic member; 500. a track cavity; 510. and a ball.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A fire-fighting clasp, as shown in fig. 1 to 6, comprises a female joint pipe 100, a male joint 200 and a female joint body 300, wherein the inner end of the female joint pipe 100 is connected with the outer end of the female joint body 300, the inner end of the female joint body 300 is fixedly connected with a connecting component 400, and the connecting component 400 is detachably connected with the male joint 200; the outer wall of the inner end of the female joint pipe 100 is provided with a first ball track groove 110, the inner wall of the outer end of the female joint body 300 is provided with a second ball track groove 310, the second ball track groove 310 and the first ball track groove 110 are combined and form a track cavity 500, the bottom of the second ball track groove 310 is provided with a through hole 311 communicated with the outside, the through hole 311 can allow a ball 510 to enter the track cavity 500, a plug 3111 is detachably connected in the through hole 311, and the plug 3111 can be a set screw or a common plug.

The cross sections of the second ball track groove 310 and the first ball track groove 110 are both arc-shaped, the radius of the cross section of the second ball track groove 310 is equal to that of the cross section of the first ball track groove 110, the circle center of the cross section of the second ball track groove 310 coincides with that of the cross section of the first ball track groove 110, the ball 510 can roll in the track cavity 500, the ball 510 is preferably a steel ball, the top end of the ball body of the ball 510 is located in the second ball track groove 310, and the bottom end of the ball body of the ball 510 is located in the first ball track groove 110.

An O-shaped ring groove 120 is formed in the outer wall of the inner end of the female joint pipe 100, an O-shaped ring 121 is arranged in the O-shaped ring groove 120, and the outer wall of the O-shaped ring 121 can abut against the inner wall of the female joint body 300.

A grid 320 is integrally formed in the female connector body 300, the outer side of the grid 320 can be abutted against the inner side surface of the female connector pipe 100, and the inner side of the grid 320 can be abutted against the inner side surface of the male connector 200.

As shown in fig. 2, the connection assembly 400 includes a hook plate frame 410, a coupling ring 420, and a plurality of hook plates 430, wherein a plurality of mounting holes 411 are circumferentially formed in an inner wall of the hook plate frame 410, the number of the mounting holes 411 corresponds to the number of the hook plates 430 one by one, positioning blocks 431 are respectively disposed at two ends of the hook plates 430, a guide arc surface 432 is disposed at an outer side of the hook plates 430, elastic members 434 are correspondingly connected to inner sides of the hook plates 430 one by one, the elastic members 434 may be elastic sheets, the hook plates 430 are slidably connected in the mounting holes 411, and the positioning blocks 431 can axially limit the hook plates 430; the engaging ring 420 is sleeved on the outer side of the hook plate frame 410, one end of the elastic element 434 abuts against the inner wall of the engaging ring 420, the positioning block 431 can abut against the outer wall of the hook plate frame 410, and the engaging ring 420 is fixedly connected to the outer wall of the inner end of the female connector body 300.

The outer wall of the joint ring 420 is sleeved with a rubber protection ring 421 for protecting the joint ring 420.

The outer wall of the inner end of the male connector 200 is provided with a flange 210 along the radial direction, the flange 210 can be attached to the guide arc surface 432 and is axially limited by the hook strip 430, the outer peripheral wall of the male connector 200 is connected with a push ring 220 in a sliding manner, the outer diameter of the push ring 220 is larger than or equal to that of the flange 210, and one end of the push ring 220, which is far away from the flange 210, is provided with a flange 221.

The outer wall of the middle portion of the male connector 200 is provided with a limiting groove 230, a C-shaped ring 231 is arranged in the limiting groove 230, the C-shaped ring 231 can abut against the outer side of the flange 221, and the C-shaped ring 231 is preferably a steel ring with an opening.

As shown in fig. 5, as another scheme, the outer wall of the male connector 200 close to the flange 210 is provided with an external thread 240, the inner wall of the push ring 220 away from the flange 221 is provided with an internal thread 222, the inner wall of the push ring 220 is provided with an avoiding groove 223, and the external thread 240 and the internal thread 222 are matched to axially fix the push ring 220 on the outer wall of the male connector 200.

The inner wall of the female joint body 300 is provided with a sealing groove 330, a sealing ring 331 is arranged in the sealing groove 330, the sealing ring 331 can be a UN-shaped rubber gasket or a Y-shaped rubber gasket or a U-shaped rubber gasket, and the inner wall of the sealing ring 331 can be attached to the outer peripheral wall of the flange 210.

A plurality of annular bosses I130 are arranged on the outer wall of the female joint pipe 100 away from the female joint body 300 at intervals along the length direction; the male connector 200 is provided with a plurality of annular second bosses 250 at intervals along the length direction away from the outer wall of the flange 210.

A working principle of a fire-fighting connecting buckle is as follows:

this equipment that fire control connects knot: the inner end of the female joint pipe 100 extends into the female joint body 300, so that the inner side surface of the female joint pipe 100 is abutted against the outer side surface of the grating 320, the circle center of the cross section of the first ball track groove 110 is overlapped with the circle center of the cross section of the second ball track groove 310, a track cavity 500 is formed, a plurality of balls 510 are filled into the track cavity 500 from the through hole 311, the balls 510 are sealed in the track cavity 500 through the plugs 3111, the female joint pipe 100 and the female joint body 300 are axially limited by the balls 510, the female joint pipe 100 and the female joint body 300 can rotate relatively, the outer wall of the O-shaped ring 121 is abutted against the inner wall of the female joint body 300, the sealing ring 331 is installed in the sealing groove 330, and the female joint pipe 100 and the female joint body 300 are installed completely;

the inner ends of the hook plates 430 correspond to the elastic pieces 434 one by one and are fixed through threads or pins, the hook plates 430 are slidably mounted in the mounting holes 411, so that the positioning blocks 431 on the hook plates 430 are attached to the outer wall of the hook plate frame 410, the engaging ring 420 is sleeved on the outer wall of the hook plate frame 410, the elastic pieces 434 are positioned between the inner wall of the engaging ring 420 and the hook plates 430, force in the direction of the central axis of the hook plate frame 410 is applied to the hook plates 430, the engaging ring 420 is then in threaded connection with the inner end of the female joint body 300, and the mounting of the connecting assembly 400 is completed;

sleeving the pushing ring 220 on the outer peripheral wall of the male connector 200, wherein the C-shaped ring 231 is arranged in the limiting groove 230, so that the pushing ring 220 can slide between the C-shaped ring 231 and the flange 210;

or, the pushing ring 220 with the internal thread 222 is sleeved on the outer wall of the pushing ring 220, and the avoiding groove 223 slides outside the external thread 240 along with the pushing ring 220.

The female joint pipe 100 and the male joint 200 are connected with a water hose to be connected, so that the first boss 130 is in contact with the inner wall of the water hose to be connected, the second boss 250 is in contact with the inner wall of another water hose to be connected, then the male joint 200 extends into the hook plate frame 410, after the flange 210 on the male joint 200 is in contact with the guide arc surface 432 on the hook plate 430, external force is applied to the male joint 200, the claw is pushed open by the flange 210, the claw is retracted into the hook plate frame 410, after the flange 210 penetrates through the hook plate 430, the hook plate 430 is reset under the action of the elastic piece 434, and the reset hook plate 430 axially limits the flange 210, so that the connection of the fire fighting fastener is realized.

After water flows into the water hose, water flow impacts the twisted part of the water hose from the interior of the water hose to enable the water hose to rotate, and the rotated water hose drives the female joint pipe 100 or the male joint 200 to rotate, so that the water hose of the twisted part returns to be straight.

This fire control connects and detains the back that finishes, and turn-ups 221 on the handheld clamping ring 220 that pushes away will push away clamping ring 220 and promote to hasp board 430 direction, bulldozes ring 220 and backs down hasp board 430 for hasp board 430 contracts to in the hasp grillage 410, and bulldozes ring 220 and supports tightly behind flange 210, outwards extracts public joint 200 together with pushing away clamping ring 220 is whole, realizes this fire control and connects the dismantlement of detaining.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a fire control connects knot which characterized in that: the female joint comprises a female joint pipe (100), a male joint (200) and a female joint body (300), wherein the inner end of the female joint pipe (100) is connected with the outer end of the female joint body (300), the inner end of the female joint body (300) is fixedly connected with a connecting assembly (400), and the connecting assembly (400) is detachably connected with the male joint (200); ball track groove one (110) have been seted up to the outer wall of female joint pipe (100) inner, ball track groove two (310) have been seted up to the inner wall of female joint body (300) outer end, ball track groove two (310) make up and enclose into track chamber (500) with ball track groove one (110), the external through-hole of UNICOM (311) has been seted up to the tank bottom of ball track groove two (310), through-hole (311) can supply ball (510) to get into in track chamber (500), can dismantle in through-hole (311) and be connected with end cap (3111).

2. A fire fighting clasp according to claim 1, characterized in that: the cross section of ball track groove two (310) and ball track groove one (110) all is the arc, just the radius of ball track groove two (310) cross section with the radius of ball track groove one (110) cross section equals, the centre of a circle of ball track groove two (310) cross section with the centre of a circle coincidence of ball track groove one (110) cross section, ball (510) can roll in track chamber (500), just the spheroid top of ball (510) is located in ball track groove two (310), the spheroid bottom of ball (510) is located in ball track groove one (110).

3. A fire fighting clasp according to claim 2, wherein: an O-shaped ring groove (120) is formed in the outer wall of the inner end of the female joint pipe (100), an O-shaped ring (121) is arranged in the O-shaped ring groove (120), and the outer wall of the O-shaped ring (121) can be abutted against the inner wall of the female joint body (300).

4. A fire fighting clasp according to claim 3, wherein: a grid (320) is integrally formed in the female connector body (300), the outer side of the grid (320) can be attached to the inner side face of the female connector pipe (100), and the inner side of the grid (320) can be attached to the inner side face of the male connector (200).

5. A fire control connector according to claim 4, wherein: the connecting assembly (400) comprises a hook plate frame (410), a joint ring (420) and a plurality of hook plates (430), a plurality of mounting holes (411) are formed in the circumferential direction of the inner wall of the hook plate frame (410), the number of the mounting holes (411) corresponds to the number of the hook plates (430) one by one, positioning blocks (431) are arranged at two ends of each hook plate (430), a guide arc surface (432) is arranged on the outer side of each hook plate (430), elastic pieces (434) are connected to the inner sides of the hook plates (430) one by one, the hook plates (430) are connected into the mounting holes (411) in a sliding mode, and the positioning blocks (431) can axially limit the hook plates (430); the joint ring (420) is sleeved on the outer side of the hook plate frame (410), one end of the elastic piece (434) is abutted against the inner wall of the joint ring (420), the positioning block (431) can be abutted against the outer wall of the hook plate frame (410), and the joint ring (420) is fixedly connected to the outer wall of the inner end of the female joint body (300); the outer wall of male joint (200) inner is provided with flange (210) along radially, flange (210) can with direction cambered surface (432) paste mutually and by take hook plate (430) axial spacing, the periphery wall of male joint (200) slides and is connected with and pushes away clamping ring (220), push away the external diameter more than or equal to of clamping ring (220) the external diameter of flange (210), it keeps away from to push away clamping ring (220) the one end of flange (210) is provided with turn-ups (221).

6. A fire control connector according to claim 5, wherein: the outer wall in the middle of the male connector (200) is provided with a limiting groove (230), a C-shaped ring (231) is arranged in the limiting groove (230), and the C-shaped ring (231) can be attached to the outer side of the flanging (221).

7. A fire control connector according to claim 5, wherein: male joint (200) are close to the outer wall of flange (210) is provided with external screw thread (240), it keeps away from to push away clamping ring (220) the inner wall of turn-ups (221) is provided with internal thread (222), just it has seted up and has dodged groove (223) to push away clamping ring (220) inner wall, external screw thread (240) with internal thread (222) cooperation will it is fixed in to push away clamping ring (220) axial male joint (200) outer wall.

8. A fire fighting attachment according to any one of claims 6 or 7, wherein: the inner wall of the female joint body (300) is provided with a sealing groove (330), a sealing ring (331) is arranged in the sealing groove (330), and the inner wall of the sealing ring (331) can be attached to the outer peripheral wall of the flange (210).

9. A fire fighting attachment according to any one of claims 6 or 7, wherein: the outer wall of the female joint pipe (100) far away from the female joint body (300) is provided with a plurality of first bosses (130) at intervals along the length direction; the male connector (200) is far away from the outer wall of the flange (210) and is provided with a plurality of second bosses (250) at intervals along the length direction.