Magnetic self-locking connector structure

Abstract

The utility model discloses a magnetic self-locking joint structure, which relates to the technical field of fire joints and is characterized in that a plurality of positioning chutes are arrayed on the circumference of the end face of a female joint, and one end of each positioning chute is communicated with a magnetic groove; annular permanent magnet arrays are embedded in the female head and the male head, and the polarities are matched; a plurality of magnetic suction flanges are arrayed on the circumference of the end face of the male head and used for being matched with the corresponding magnetic suction grooves; an annular clamping tongue groove is formed in the outer wall of the female head, an electromagnetic iron ring is arranged in the clamping tongue groove, the male head comprises an inner ring, an outer ring and a plurality of clamping tongues, the inner diameter of the inner ring is smaller than that of the outer ring, the multiple magnetic attraction flanges are arranged on the end face of the inner ring in a circumferential array mode, a plurality of installation grooves are formed in the inner wall of the outer ring in a circumferential array mode, and the clamping tongues are connected into the installation grooves through springs. The electromagnet ring is used for magnetically attracting the clamping tongue so that the clamping tongue can be embedded into the clamping tongue groove. According to the scheme, automatic butt joint of the female head and the male head is achieved in a magnetic attraction mode, and the connection firmness of the female head and the male head is enhanced in a mechanical limiting mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire fighting joint technical field especially relates to a magnetic attraction self -locking joint structure. BACKGROUND

[0002] When the fire breaks out, the fireman arrives at the fire scene, first opens the fire hydrant box, and the water hose is connected with the water pipe, this process although seemingly simple, but actually there are many problems: manual docking not only time -consuming, and in emergency, the fireman can be nervous and make mistakes, further reduce the rescue efficiency; the fireman often faces the dangerous environment such as thick smoke, flame, and the safety is threatened. In order to save manual, realize water hose automatic docking, the research and development personnel designs a kind of magnetic attraction self -locking fire fighting water hose automatic docking system, water pipe female head is extended to the outside of fire hydrant box, water hose is arranged on robot dog, and the intelligent system carried on robot dog can build floor three-dimensional map and locate the position of water pipe female head in real time, so that the end of water hose with male head is accurately connected with water pipe female head. The problem solved by the present application is: how to quickly and effectively complete the docking of female head and male head. SUMMARY

[0003] To solve the technical problems of the prior art, the utility model provides a kind of magnetic attraction self -locking joint structure, and the quick and effective docking of female head and male head is realized by magnetic attraction.

[0004] In order to realize the purpose of the utility model, the following scheme is adopted:

[0005] A kind of magnetic attraction self -locking joint structure, including female head, male head.

[0006] Female head end surface circumferential array has multiple positioning inclined grooves, and the one end of positioning inclined groove is communicated with magnetic attraction groove;

[0007] Female head and male head are all embedded annular permanent magnet array, and the polarity is matched;

[0008] Male head end surface circumferential array has multiple magnetic attraction flanges, for matching corresponding magnetic attraction groove.

[0009] Further, female head outer wall is provided with annular tongue groove, and electromagnet ring is arranged in tongue groove;Male head includes inner ring, outer ring and multiple tongues, the inner diameter of inner ring is less than the inner diameter of outer ring, multiple magnetic attraction flanges are circumferentially arranged on the end surface of inner ring, the inner wall of outer ring circumferentially has multiple mounting grooves, and the tongue is connected in mounting groove by spring, when female head is connected with male head, electromagnet ring is used for magnetic attraction tongue, so that tongue is embedded in tongue groove.

[0010] Further, sealing ring is arranged at the inner right angle formed by inner ring and outer ring.

[0011] Further, the male head outer wall is provided with an annular clamping tongue groove, an electromagnet ring is arranged in the clamping tongue groove, the female head end face is further provided with an outer ring, the inner diameter of the outer ring is larger than the inner diameter of the female head, a plurality of mounting grooves are arranged in the outer wall of the outer ring in a circumferential array, a clamping tongue and a spring are arranged in each mounting groove, when the female head is connected with the male head, the electromagnet ring is used for magnetically attracting the clamping tongue, so that the clamping tongue is embedded in the clamping tongue groove.

[0012] Further, the electromagnet ring is connected with an electromagnet circuit, the electromagnet circuit is connected with an electromagnet control module, when a fire occurs, the electromagnet control module is used for receiving a linkage signal sent by a building fire host, so that the electromagnet circuit is turned on, and the electromagnet ring has magnetic force instantaneously.

[0013] Further, the mechanical release structure is further arranged, which is used for shrinking the clamping tongue into the mounting groove in a mechanical mode, the mechanical release structure comprises a rotating ring, a plurality of lever rods and a plurality of pull ropes, the rotating ring is arranged on the outer wall of the female head in a rotating mode, the plurality of lever rods are arranged in a circumferential array on the rotating ring, one end of the pull rope is connected with the corresponding lever rod, and the other end of the pull rope is connected with the corresponding clamping tongue after penetrating through the side wall of the outer ring.

[0014] The utility model discloses beneficial effect lies in:

[0015] 1, realize the automatic butt joint of female head and male head through the mode of magnetic attraction;

[0016] 2, when the female head is connected with the male head, the electromagnet ring can magnetically attract the clamping tongue, so that the clamping tongue is embedded in the clamping tongue groove, and the female head and the male head are connected firmly in a mechanical limiting mode;

[0017] 3, after the fire is over, the locking of the clamping tongue can be released in a telecommunication signal mode or a mechanical unlocking mode. DRAWINGS

[0018] Figure 1 Fig. 1 shows the schematic diagram of the female head, branch pipe and fire hydrant in embodiment 1;

[0019] Figure 2 Fig. 2 shows the schematic diagram of the female head in embodiment 1;

[0020] Figure 3 Fig. 3 shows the schematic diagram of the positioning inclined groove and magnetic attraction groove in embodiment 1;

[0021] Figure 4 Fig. 4 shows the schematic diagram of the male head in embodiment 1;

[0022] Figure 5 Fig. 5 shows the schematic diagram of the female head in embodiment 2;

[0023] Figure 6 Fig. 6 shows the schematic diagram of the clamping tongue groove of the female head outer wall in embodiment 2;

[0024] Figure 7The schematic diagram of the male head in embodiment 2 is shown;

[0025] Figure 8 The schematic diagram of the male head and the female head after being docked in embodiment 2 is shown;

[0026] Figure 9 The schematic diagram of the latch being retracted into the installation slot in embodiment 2 is shown;

[0027] Figure 10 The schematic diagram of the latch being inserted into the latch groove in embodiment 2 is shown;

[0028] Figure 11 The schematic diagram of the female head in embodiment 3 is shown;

[0029] Figure 12 The schematic diagram of the male head in embodiment 3 is shown;

[0030] Figure 13 The schematic diagram of the rotating ring, the lever and the pull rope in embodiment 3 is shown. DETAILED DESCRIPTION

[0031] Embodiment 1

[0032] As shown in Figure 2 , Figure 4 , the present embodiment provides a magnetic self-locking connector structure, which comprises a female head 1 and a male head 2.

[0033] Specifically, as shown in Figure 1 , the female head 1 is arranged at one end of a branch pipe 11, and the other end of the branch pipe 11 is connected to an original connector in a fire hydrant box 12. An electromagnetic valve 111 is arranged on the branch pipe 11, and the electromagnetic valve 111 is used to control the opening or closing of the female head 1.

[0034] Specifically, as shown in Figure 2 , Figure 3 , the female head 1 is arranged at one end of a branch pipe 11, and the other end of the branch pipe 11 is connected to an original connector in a fire hydrant box 12. An electromagnetic valve 111 is arranged on the branch pipe 11, and the electromagnetic valve 111 is used to control the opening or closing of the female head 1. Figure 4 , the male head 2 is arranged at one end of a branch pipe 21, and the other end of the branch pipe 21 is connected to an original connector in a fire hydrant box 22. An electromagnetic valve 211 is arranged on the branch pipe 21, and the electromagnetic valve 211 is used to control the opening or closing of the male head 2.

[0035] Specifically, the female head 1 and the male head 2 are both embedded with annular permanent magnet arrays, and the polarities are matched. The annular permanent magnet arrays can trigger strong magnetic attraction when the distance is ≤3 cm, so that the female head 1 and the male head 2 are quickly and effectively docked.

[0036] Embodiment 2

[0037] The female head 1 and the male head 2 provided in embodiment 1 are docked and locked by magnetic attraction. In order to further improve the fastening of the docking of the female head 1 and the male head 2, as shown in Figure 5 ,Figure 7 As shown in the drawings, the embodiment 2 provides another magnetic self-locking connector structure, which is optimized on the basis of the embodiment 1 and specifically as follows:

[0038] As shown in the drawings, the female head 1 is provided with a ring-shaped latch groove 15, and the latch groove 15 is provided with an electromagnet ring 16. Figure 5 、 Figure 6 As shown in the drawings, the male head 2 includes an inner ring 21, an outer ring 22 and a plurality of latches 23, the outer diameter of the inner ring 21 is consistent with the outer diameter of the outer ring 22, the inner diameter of the inner ring 21 is smaller than the inner diameter of the outer ring 22, a plurality of magnetic flanges 26 are circumferentially arranged on the end face of the inner ring 21, the magnetic flanges 26 are used to match the corresponding magnetic grooves 14, the inner wall of the outer ring 22 is circumferentially provided with a plurality of mounting grooves 24, the latches 23 are connected to the mounting grooves 24 through springs 25, when the male head 2 is connected to the female head 1 and the magnetic flanges 26 match the corresponding magnetic grooves 14, the electromagnet ring 16 is used to magnetically attract the latches 23, so that the latches 23 are embedded in the latch groove 15, thereby enabling the male head 2 and the female head 1 to be locked by magnetic force and mechanical limiting. 、

[0039] As shown in the drawings, the male head 2 includes an inner ring 21, an outer ring 22 and a plurality of latches 23, the outer diameter of the inner ring 21 is consistent with the outer diameter of the outer ring 22, the inner diameter of the inner ring 21 is smaller than the inner diameter of the outer ring 22, a plurality of magnetic flanges 26 are circumferentially arranged on the end face of the inner ring 21, the magnetic flanges 26 are used to match the corresponding magnetic grooves 14, the inner wall of the outer ring 22 is circumferentially provided with a plurality of mounting grooves 24, the latches 23 are connected to the mounting grooves 24 through springs 25, when the male head 2 is connected to the female head 1 and the magnetic flanges 26 match the corresponding magnetic grooves 14, the electromagnet ring 16 is used to magnetically attract the latches 23, so that the latches 23 are embedded in the latch groove 15, thereby enabling the male head 2 and the female head 1 to be locked by magnetic force and mechanical limiting. Figure 7 、 Figure 9 As shown in the drawings, the male head 2 includes an inner ring 21, an outer ring 22 and a plurality of latches 23, the outer diameter of the inner ring 21 is consistent with the outer diameter of the outer ring 22, the inner diameter of the inner ring 21 is smaller than the inner diameter of the outer ring 22, a plurality of magnetic flanges 26 are circumferentially arranged on the end face of the inner ring 21, the magnetic flanges 26 are used to match the corresponding magnetic grooves 14, the inner wall of the outer ring 22 is circumferentially provided with a plurality of mounting grooves 24, the latches 23 are connected to the mounting grooves 24 through springs 25, when the male head 2 is connected to the female head 1 and the magnetic flanges 26 match the corresponding magnetic grooves 14, the electromagnet ring 16 is used to magnetically attract the latches 23, so that the latches 23 are embedded in the latch groove 15, thereby enabling the male head 2 and the female head 1 to be locked by magnetic force and mechanical limiting. Figure 8 、 Figure 10 As shown in the drawings, the male head 2 includes an inner ring 21, an outer ring 22 and a plurality of latches 23, the outer diameter of the inner ring 21 is consistent with the outer diameter of the outer ring 22, the inner diameter of the inner ring 21 is smaller than the inner diameter of the outer ring 22, a plurality of magnetic flanges 26 are circumferentially arranged on the end face of the inner ring 21, the magnetic flanges 26 are used to match the corresponding magnetic grooves 14, the inner wall of the outer ring 22 is circumferentially provided with a plurality of mounting grooves 24, the latches 23 are connected to the mounting grooves 24 through springs 25, when the male head 2 is connected to the female head 1 and the magnetic flanges 26 match the corresponding magnetic grooves 14, the electromagnet ring 16 is used to magnetically attract the latches 23, so that the latches 23 are embedded in the latch groove 15, thereby enabling the male head 2 and the female head 1 to be locked by magnetic force and mechanical limiting.

[0040] In order to improve the sealing performance of the male head 2 and the female head 1, as shown in the drawings, a sealing ring 27 is arranged at the inner right angle formed by the inner ring 21 and the outer ring 22. Figure 9 、

[0041] The electromagnet ring 16 is connected to an electromagnet circuit, the electromagnet circuit is connected to an electromagnet control module, the electromagnet ring 16 is in a non-magnetic state in a normal state, when the building fire host receives a dry contact signal (such as a smoke alarm signal, a temperature sensing threshold signal or a manual fire alarm button trigger signal), a linkage signal is sent to the electromagnet control module, the electromagnet control module is used to make the electromagnet circuit closed, and the electromagnet ring 16 has magnetic force instantaneously.

[0042] When the fire is over, the building fire host sends a reset signal to the electromagnet control module, the electromagnet control module is used to make the electromagnet circuit disconnected, the electromagnet ring 16 releases the magnetic force, and the latches 23 are retracted into the mounting grooves 24 under the action of the springs 25, so as to release the locking of the latches 23 to the female head 1.

[0043] Embodiment 3

[0044] After the fire is over, the solenoid ring 16 is released by the electric signal in example 2, and the locking of the latch 23 to the female head 1 is released, in addition, another magnetic self-locking connector structure is provided in example 3, which can release the locking of the latch 23 to the female head 1 by mechanical means, first of all, the structure of the male head 2 in example 3 is different from that of example 2, and the structure of the female head 1 is also different from that of example 2, which is as follows:

[0045] As shown in Figure 11 , the female head 1 has a plurality of positioning inclined grooves 13 arranged circumferentially on the end face, and the positioning inclined grooves 13 are communicated with a magnetic attraction groove 14 at one end; the female head 1 is further provided with an outer ring 22, the inner diameter of the outer ring 22 is greater than the inner diameter of the female head 1, the outer diameter of the outer ring 22 is consistent with the outer diameter of the female head 1, and the outer wall of the outer ring 22 is circumferentially arranged with a plurality of mounting grooves 24, and each mounting groove 24 is provided with a latch 23 and a spring 25.

[0046] As shown in Figure 12 , the male head 2 has a plurality of magnetic attraction flanges 26 arranged circumferentially on the end face, and the outer wall of the male head 2 is provided with a ring-shaped latch groove 15, and the latch groove 15 is provided with a solenoid ring 16, when the female head 1 is connected with the male head 2, the solenoid ring 16 is used for magnetically attracting the latch 23, so that the latch 23 is embedded in the latch groove 15, as shown in Figure 13 .

[0047] The magnetic self-locking connector structure further comprises a mechanical release structure for retracting the latch 23 into the mounting groove 24 by mechanical means, as shown in Figure 11 , the mechanical release structure comprises a rotating ring 31, a plurality of lever rods 32 and a plurality of pull ropes 33, the rotating ring 31 is rotatably arranged on the outer wall of the female head 1, the plurality of lever rods 32 are circumferentially arranged on the rotating ring 31, one end of the pull rope 33 is connected with the corresponding lever rod 32, and the other end of the pull rope 33 is connected with the corresponding latch 23 after penetrating through the side wall of the outer ring 22.

[0048] In normal state, the pull rope 33 is in natural relaxation state, and the latch 23 is retracted into the mounting groove 24 under the action of the spring 25, as shown in Figure 11 ; when the male head 2 is connected with the female head 1, the solenoid ring 16 magnetically attracts the latch 23, so that the latch 23 is embedded in the latch groove 15, as shown in Figure 13 ; after the fire is over, the firefighter rotates the rotating ring 31 by hand, the pull rope 33 is stretched, and then the latch 23 is retracted into the mounting groove 24.

[0049] The above examples are only used to illustrate the technical idea and characteristics of the present application, and do not represent the only or limit the present application. Those skilled in the art should understand that various changes or equivalent replacements made to the present application without departing from the scope of the present application, all belong to the scope of protection of the present application.

Claims

1. A magnetic self-latching connector structure, characterized by, It comprises a female head (1), a male head (2); The female head (1) is provided with a plurality of positioning inclined grooves (13) in the circumferential array of the end face, and the one end of the positioning inclined groove (13) is communicated with a magnetic attraction groove (14); The female head (1) and the male head (2) are both embedded with annular permanent magnet arrays, and the polarities are matched. The male head (2) is provided with a plurality of magnetic attraction flanges (26) in the circumferential array of the end face, which are used for matching the corresponding magnetic attraction grooves (14).

2. The magnetic self-latching connector structure of claim 1, wherein, The outer wall of the female head (1) is provided with a ring-shaped latch groove (15), and the latch groove (15) is provided with an electromagnet ring (16) therein. The male head (2) comprises an inner ring (21), an outer ring (22) and a plurality of latches (23). The inner diameter of the inner ring (21) is smaller than the inner diameter of the outer ring (22). The plurality of magnetic attraction flanges (26) are arranged in the circumferential array of the end face of the inner ring (21). The outer wall of the outer ring (22) is provided with a plurality of mounting grooves (24) in the circumferential array. The latch (23) is connected to the mounting groove (24) through the spring (25). When the female head (1) is connected with the male head (2), the electromagnet ring (16) is used for magnetically attracting the latch (23), so that the latch (23) is embedded into the latch groove (15).

3. The magnetic self-latching connector structure of claim 2, wherein, The inner right angle formed by the inner ring (21) and the outer ring (22) is provided with a sealing ring (27).

4. The magnetic self-latching connector structure of claim 1, wherein, The outer wall of the male head (2) is provided with a ring-shaped latch groove (15), and the latch groove (15) is provided with an electromagnet ring (16) therein. The end face of the female head (1) is further provided with an outer ring (22), and the inner diameter of the outer ring (22) is greater than the inner diameter of the female head (1). The inner wall of the outer ring (22) is provided with a plurality of mounting grooves (24) in the circumferential array. Each mounting groove (24) is provided with a latch (23) and a spring (25) therein. When the female head (1) is connected with the male head (2), the electromagnet ring (16) is used for magnetically attracting the latch (23), so that the latch (23) is embedded into the latch groove (15).

5. The magnetic self-latching connector structure according to claim 2 or 4, wherein, The electromagnet ring (16) is connected with an electromagnet circuit, and the electromagnet circuit is connected with an electromagnet control module. When a fire occurs, the electromagnet control module is used for receiving the linkage signal sent by the building fire host, so that the electromagnet circuit is connected, and the electromagnet ring (16) has magnetic force instantaneously.

6. The magnetic self-latching connector structure of claim 4, wherein, It further comprises a mechanical release structure for retracting the latch (23) into the mounting groove (24) by a mechanical mode. The mechanical release structure comprises a rotating ring (31), a plurality of lever rods (32) and a plurality of pull ropes (33). The rotating ring (31) is rotatably arranged on the outer wall of the periphery of the female head (1). The plurality of lever rods (32) are arranged in the circumferential array of the rotating ring (31). One end of the pull rope (33) is connected with the corresponding lever rod (32), and the other end penetrates through the side wall of the outer ring (22) and is connected with the corresponding latch (23).

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