Fire-fighting connector capable of being quickly connected

Abstract

The invention belongs to the technical field of fire fighting equipment, and discloses a quick-connection fire fighting connector which comprises an outer sleeve assembly, inner sleeve assemblies are arranged at the two ends of the outer sleeve assembly, a fixing assembly is arranged on the outer wall of the outer sleeve assembly, and the outer sleeve assembly comprises an outer sleeve body. A guide groove and a magnet are sequentially arranged in an inner cavity of the outer sleeve body, the magnet is fixedly installed on the outer wall of the inner sleeve assembly, and the fixing assembly comprises an installation ring. Through cooperation of structures such as the control unit and the fixing unit, the fixing unit is moved out of the groove of the outer sleeve body, the mounting ring rotates to drive the control unit to move, the control unit fixes the fixing unit and the mounting ring after moving for a certain distance, and at the moment, connection of the fire joint is rapidly completed; and in the mounting or dismounting process, the pipeline can be quickly aligned, the pipeline cannot be damaged, and the problem of deformation of the fire joint during pipeline connection is avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of fire-fighting equipment, in particular to a fire-fighting joint that can be quickly connected. Background Art

[0002] Fire joints usually refer to joints used to connect different pipes or equipment in fire protection systems. They are usually used in fire water pipe systems. There are metal joints at both ends of the fire water pipe, which can be connected to another water hose to extend the distance, ensuring that the water flow can be stably and effectively transmitted to where it is needed, and can promptly deliver water to where the fire needs to be extinguished.

[0003] The connection methods of fire-fighting joints include threaded connection, flange connection and clamp connection. Traditional fire-fighting joints mostly use threaded connection. During the installation or disassembly process, the threaded pipes need to be accurately aligned, otherwise the threads may be damaged and cannot be tightened smoothly, and even cause thread damage, such as thread stripping and deformation. Therefore, it needs to be improved. Summary of the Invention

[0004] In order to solve the problem in the above background technology that the thread is damaged and cannot be tightened smoothly, and even causes thread damage such as thread stripping and deformation, the present invention provides a quick-connect fire connector.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a quick-connect fire-fighting connector, comprising an outer sleeve assembly, inner sleeve assemblies are provided at both ends of the outer sleeve assembly, a fixing assembly is provided on the outer wall of the outer sleeve assembly, the outer sleeve assembly comprises an outer sleeve body, the inner cavity of the outer sleeve body is sequentially provided with guide grooves and magnets, a magnet is fixedly installed on the outer wall of the inner sleeve assembly, the fixing assembly comprises a mounting ring, the mounting ring is movably connected to the outer sleeve body, a control unit is provided on the side of the mounting ring, and a fixing unit is fixedly installed on the lower end of the mounting ring.

[0006] Preferably, the inner sleeve assembly includes an inner sleeve body, a limiting assembly is provided on the surface of the inner sleeve body, the diameter of the inner sleeve body is smaller than the diameter of the outer sleeve body, the inner sleeve body includes a spring 1, one end of the spring 1 is fixedly connected to the limiting column, and the other end of the spring 1 is fixedly connected to the outer sleeve body.

[0007] Preferably, a plurality of magnets are fixedly mounted on the surface of the inner sleeve body, the inner sleeve body and the magnets have opposite magnetic poles, a through hole is formed at one end of the guide groove, and an end away from the through hole is provided with an inclined surface.

[0008] Preferably, the fixing unit comprises a telescopic cylinder, an inner cavity of the telescopic cylinder is provided with a second spring, one end of the second spring is fixedly connected to the mounting ring, and the other end is fixedly connected to the telescopic cylinder.

[0009] Preferably, the control unit includes a fixed block, a spring three is provided at the upper end of the fixed block, a movable plate is fixedly installed on the end of the spring three, a connecting block is fixedly installed on the side of the mounting ring close to the fixed block, movable blocks are hinged on both sides of the end of the connecting block, and a tension spring is elastically connected between the movable block and the connecting block.

[0010] Preferably, a sliding groove is provided on the inner wall of the fixed block, sliders are provided on the top and bottom of the movable plate, and the movable plate is movably connected to the fixed block, and both sides of the movable plate are configured as arc surfaces.

[0011] Preferably, the outer wall of the outer sleeve body is provided with teeth, one side of the mounting ring is provided with teeth, the mounting ring and the outer sleeve body are meshed and connected, and the outer wall of the outer sleeve body is provided with holes.

[0012] Preferably, the bottom of the telescopic cylinder is designed to be an arc surface, limiting grooves are provided on both sides of the inner cavity of the outer sleeve body, and a rubber strip is provided on the outer wall of the inner sleeve body.

[0013] Preferably, the outer sleeve body and the inner sleeve body are both made of stainless steel, the guide groove is arranged to be inclined, and the shape of the connecting block is arranged to be "L"-shaped.

[0014] Preferably, a mounting groove is provided on the surface of the inner sleeve body, the limiting assembly is arranged in the mounting groove, and the spring 1 is fixedly connected to the mounting groove.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention cooperates with structures such as the inner sleeve body and the limit assembly, and the magnets on the surface of the inner sleeve body and the magnets like to guide each other, so that the inner sleeve body is quickly guided, the limit assembly is quickly aligned with the guide groove, and the inner sleeve body is rotated to drive the limit assembly to move, so that the limit column is engaged with the hole on the outer wall of the outer sleeve body, thereby making the fixation of the inner sleeve body more stable, and no shaking will occur after connection, and the inner sleeve body can be quickly installed, which speeds up the installation speed of the fire joint.

[0017] The present invention cooperates with structures such as a control unit and a fixing unit, thereby facilitating that when the fixing unit rotates, the fixing unit is moved out of the groove of the outer sleeve body, and the mounting ring rotates to drive the control unit to move. After moving a certain distance, the control unit fixes the fixing unit and the mounting ring. At this time, the connection of the fire joint is completed quickly, and during the installation or disassembly process, the pipeline can be quickly aligned without causing damage to the pipeline, thereby avoiding the problem of deformation of the fire joint when the pipeline is connected. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the present invention;

[0020] Figure 3 Schematic diagram of the structural matching relationship between the outer sleeve body and the inner sleeve body of the present invention;

[0021] Figure 4 for Figure 3 A schematic diagram of the partially enlarged structure at center A;

[0022] Figure 5 This is a schematic diagram of the matching relationship between the outer sleeve body and the mounting ring structure of the present invention;

[0023] Figure 6 for Figure 5 A schematic diagram of the partially enlarged structure at point B in the middle;

[0024] Figure 7 This is an explosion diagram of the control unit of the present invention;

[0025] Figure 8 It is a schematic diagram of the cross-sectional structure of the limiting column and the telescopic barrel of the present invention.

[0026] In the figure: 1. Outer sleeve assembly; 11. Outer sleeve body; 12. Guide groove; 13. Magnet; 2. Inner sleeve assembly; 21. Inner sleeve body; 22. Limit assembly; 221. Spring 1; 222. Limit column; 3. Fixing assembly; 31. Mounting ring; 32. Fixing unit; 321. Telescopic cylinder; 322. Spring 2; 33. Control unit; 331. Fixing block; 332. Spring 3; 333. Moving plate; 334. Connecting block; 335. Movable block; 336. Tension spring. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] like Figures 1 to 8 As shown, the present invention provides a quick-connect fire connector, including an outer sleeve assembly 1, inner sleeve assemblies 2 are provided at both ends of the outer sleeve assembly 1, a fixing assembly 3 is provided on the outer wall of the outer sleeve assembly 1, the outer sleeve assembly 1 includes an outer sleeve body 11, the inner cavity of the outer sleeve body 11 is sequentially provided with a guide groove 12 and a magnet 13, the outer wall of the inner sleeve assembly 2 is fixedly installed with a magnet, the fixing assembly 3 includes a mounting ring 31, the mounting ring 31 is movably connected to the outer sleeve body 11, a control unit 33 is provided on the side of the mounting ring 31, and a fixing unit 32 is fixedly installed on the lower end of the mounting ring 31.

[0029] The above scheme is adopted: through the design of the outer sleeve assembly 1 and the fixing assembly 3, the inner sleeve assembly 2 is inserted into the inner cavity of the outer sleeve body 11, and the inner sleeve assembly 2 is rotated so that the inner sleeve assembly 2 is engaged with the guide groove 12 and the magnet 13 and attracted by the magnet, and then the mounting ring 31 is rotated, and the mounting ring 31 drives the fixing unit 32 and the control unit 33 to rotate. When the fixing unit 32 rotates, the fixing unit 32 contacts the outer sleeve body 11, so that the fixing unit 32 is removed from the groove of the outer sleeve body 11, and the fixing unit 32 is in contact with the surface of the outer sleeve body 11. The mounting ring 31 drives the fixing unit 32 to move continuously, and at the same time, the mounting ring 31 rotates to drive the control unit 33 to move. After moving a certain distance, the control unit 33 fixes the fixing unit 32 and the mounting ring 31. At this time, the connection of the fire connector is completed quickly, and during the installation or disassembly process, the pipeline can be quickly aligned without causing damage to the pipeline, avoiding the problem of deformation of the fire connector when the pipeline is connected, and avoiding the situation that the fixing unit 32 conflicts with the inner sleeve assembly 2 due to rotation due to pulling the mounting ring 31 during use, causing the fire hose to fall.

[0030] like Figure 3 、 Figure 4 、 Figure 5 and Figure 8As shown, the inner sleeve assembly 2 includes an inner sleeve body 21, and a limiting assembly 22 is provided on the surface of the inner sleeve body 21. The diameter value of the inner sleeve body 21 is smaller than the diameter value of the outer sleeve body 11. The inner sleeve body 21 includes a spring 221, and one end of the spring 221 is fixedly connected to the limiting column 222. The other end of the spring 221 is fixedly connected to the outer sleeve body 11. A plurality of magnets are fixedly installed on the surface of the inner sleeve body 21. The magnetic poles of the inner sleeve body 21 and the magnet 13 are opposite. A through hole is provided at one end of the guide groove 12, and the end away from the through hole is provided as an inclined surface. A mounting groove is provided on the surface of the inner sleeve body 21, and the limiting assembly 22 is provided in the mounting groove, and the spring 221 is fixedly connected to the mounting groove.

[0031] The above scheme is adopted: through the cooperation of the inner sleeve body 21 and the limiting assembly 22, the diameter value of the inner sleeve body 21 is smaller than the diameter value of the outer sleeve body 11, which is convenient for the inner sleeve body 21 to enter the inner cavity of the outer sleeve body 11 and facilitate the installation of the inner sleeve body 21. The cooperation of the spring 221 and the limiting column 222, when the inner sleeve body 21 is connected to the outer sleeve body 11, the inner sleeve body 21 is rotated to drive the limiting assembly 22 to move, so that the limiting column 222 is engaged with the hole on the outer wall of the outer sleeve body 11. When the limiting column 222 is engaged with the hole, half of the limiting column 222 is in the installation groove of the inner sleeve body 21 and the other half is in the hole, focusing on Figure 8 It can be observed that the fixation of the inner sleeve body 21 is more stable, so that there will be no shaking after connection, and it is more stable when in use. The installation of the magnet on the surface of the inner sleeve body 21 produces magnetic attraction with the magnet 13. The magnet 13 and the magnet of the inner sleeve body 21 guide the inner sleeve body 21 to move forward so that the limit assembly 22 is aligned with the guide groove 12. The design of the inclined surface of the guide groove 12 makes it easier to disassemble it. The spring 1 221 is fixedly connected to the installation groove, thereby limiting the spring 1 221, so that the limit column 222 is more stable when it is clamped with the outer sleeve body 11.

[0032] like Figure 5 、 Figure 6 and Figure 7As shown, the fixed unit 32 includes a telescopic cylinder 321, and the inner cavity of the telescopic cylinder 321 is provided with a second spring 322. One end of the second spring 322 is fixedly connected to the mounting ring 31, and the other end is fixedly connected to the telescopic cylinder 321. The control unit 33 includes a fixed block 331, and the upper end of the fixed block 331 is provided with a third spring 332. The end of the spring third 332 is fixedly installed with a movable plate 333. A connecting block 334 is fixedly installed on the side of the mounting ring 31 close to the fixed block 331. Movable blocks 335 are hinged on both sides of the end of the connecting block 334. A tension spring 336 is elastically connected between the movable block 335 and the connecting block 334. A sliding groove is provided on the inner wall of the fixed block 331. Slide blocks are provided on the top and bottom of the movable plate 333, and the movable plate 333 is movably connected to the fixed block 331. The two sides of the movable plate 333 are set as arc surfaces.

[0033] The above solution is adopted: through the design of the fixing unit 32 and the control unit 33, when it is necessary to connect the fire hose, the inner sleeve body 21 is inserted into the inner cavity of the outer sleeve body 11, so that the limit column 222 is engaged with the hole of the outer sleeve body 11, and then the mounting ring 31 is rotated. The mounting ring 31 drives the fixing unit 32 and the control unit 33 to rotate. When the fixing unit 32 rotates, the telescopic cylinder 321 contacts the outer sleeve body 11, causing the telescopic cylinder 321 to slide out of the groove of the outer sleeve body 11, and the telescopic cylinder 321 is released. 21 squeezes the spring 2 322. At this time, the end of the telescopic cylinder 321 is in contact with the surface of the outer sleeve body 11. The mounting ring 31 is continuously rotated to make the mounting ring 31 drive the fixing unit 32 to continue to move. At the same time, the mounting ring 31 rotates to drive the connecting block 334, the movable block 335 and the tension spring 336 to move. After moving a certain distance, the movable block 335 contacts the movable plate 333. The mounting ring 31 is continuously rotated to drive the connecting block 334 to move, so that the connecting block 334, the movable block 335 and the tension spring 336 are completely engaged. When the lock 331 is unlocked, the lock 332 is unlocked and the lock 333 is unlocked, so that the lock 333 can be unlocked easily.

[0034] like Figure 1 、 Figure 5 and Figure 7 As shown, the outer wall of the outer sleeve body 11 is provided with teeth, and one side of the mounting ring 31 is provided with teeth. The mounting ring 31 and the outer sleeve body 11 are meshed and connected, and the outer wall of the outer sleeve body 11 is provided with holes. The bottom of the telescopic cylinder 321 is designed to be an arc surface, and limiting grooves are provided on both sides of the inner cavity of the outer sleeve body 11. The outer wall of the inner sleeve body 21 is provided with a rubber strip. The material of the outer sleeve body 11 and the inner sleeve body 21 are both made of stainless steel, the guide groove 12 is set to be inclined, and the shape of the connecting block 334 is set to be "L" shaped.

[0035] When the cam 31 is in the unlock position, the locking cam 31 is in the unlock position, and the locking cam 31 is in the unlock position, so that the cam 31 is locked and the locking cam 31 is unlocked. When not engaged with the hole, it is moved out of the hole. The design of the limiting groove of the outer sleeve body 11 and the rubber strip of the inner sleeve body 21 makes the sealing of the inner sleeve body 21 and the outer sleeve body 11 better. The material of the outer sleeve body 11 and the guide groove 12 is limited. The stainless steel material does not contain harmful substances and has good chemical stability, which reduces the risk of harmful substance pollution caused by metal corrosion. The surface is smooth and hard, and it is not easy to be stained when cleaning. It is very convenient to clean. It has high mechanical strength and durability, a long service life, and can withstand long-term use without being easily damaged. The inclined design of the guide groove 12 is convenient for guiding the limiting column 222. The "L" shape of the connecting block 334 makes it easier to lock the fixing unit 32 after installation is completed, so as to prevent the fixing unit 32 and the mounting ring 31 from rotating due to pulling during use, causing the telescopic cylinder 321 to conflict with the limiting column 222, causing the fire hose to fall.

[0036] The working principle and use process of the present invention:

[0037] When in use, the inner sleeve body 21 is inserted into the inner cavity of the outer sleeve body 11. The magnets on the surface of the inner sleeve body 21 and the magnets 13 are guided by each other, so that the inner sleeve body 21 is quickly guided and the limiting assembly 22 is quickly aligned with the guide groove 12. Then, the inner sleeve body 21 is rotated to drive the limiting assembly 22 to move, so that the limiting post 222 is engaged with the hole on the outer wall of the outer sleeve body 11. When the limiting post 222 is engaged with the hole, half of the limiting post 222 is in the installation groove of the inner sleeve body 21 and the other half is in the hole, so that the fixation of the inner sleeve body 21 is more stable, so that shaking will not occur after connection, and it is more stable when in use.

[0038] After the inner sleeve body 21 and the outer sleeve body 11 are installed, the mounting ring 31 is rotated. The mounting ring 31 drives the fixing unit 32 and the control unit 33 to rotate. When the fixing unit 32 rotates, the telescopic cylinder 321 contacts the outer sleeve body 11, causing the telescopic cylinder 321 to slide out of the groove of the outer sleeve body 11, and the telescopic cylinder 321 squeezes the spring 2 322. At this time, the end of the telescopic cylinder 321 fits the surface of the outer sleeve body 11, and the mounting ring 31 is continuously rotated so that the mounting ring 31 drives the fixing unit 32 to move continuously. At the same time, the rotation of the mounting ring 31 drives the connecting block 334, the movable block 335 and the tension spring 336 to move. After a certain distance, the movable block 335 contacts the movable plate 333, and the mounting ring 31 is continued to be rotated to drive the connecting block 334 to move, so that the connecting block 334, the movable block 335 and the tension spring 336 completely pass through the two movable plates 333 of the fixed block 331, and the spring three 332 squeezes the movable plate 333 so that the movable plate 333 fits the outer wall of the connecting block 334, and the tension spring 336 opens the two movable blocks 335. At this time, the connection of the fire connector is completed quickly, and during the installation or disassembly process, the pipe can be quickly aligned without damaging the pipe, thereby avoiding the problem of deformation of the fire connector when the pipe is connected.

[0039] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0040] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A quick-connect firefighting joint comprising an outer sleeve assembly (1), characterized in that: Inner sleeve assemblies (2) are provided at both ends of the outer sleeve assembly (1), and a fixing assembly (3) is provided on the outer wall of the outer sleeve assembly (1); The outer sleeve assembly (1) comprises an outer sleeve body (11), the inner cavity of the outer sleeve body (11) is provided with a guide groove (12) and a magnet (13) in sequence, and the outer wall of the inner sleeve assembly (2) is fixedly mounted with a magnet; The fixing assembly (3) comprises a mounting ring (31) movably connected to the outer sleeve body (11), a control unit (33) is provided on the side of the mounting ring (31), and a fixing unit (32) is fixedly mounted on the lower end of the mounting ring (31).

2. A quick-connect firefighting connector according to claim 1, characterized in that: The inner sleeve assembly (2) comprises an inner sleeve body (21), a limit assembly (22) is provided on the surface of the inner sleeve body (21), and the diameter of the inner sleeve body (21) is smaller than the diameter of the outer sleeve body (11); The inner sleeve body (21) includes a spring 1 (221), one end of the spring 1 (221) is fixedly connected to a limiting column (222), and the other end of the spring 1 (221) is fixedly connected to the outer sleeve body (11).

3. A quick-connect firefighting connector according to claim 2, characterized in that: A plurality of magnets are fixedly mounted on the surface of the inner sleeve body (21), and the inner sleeve body (21) and the magnet (13) have opposite magnetic poles. A through hole is provided at one end of the guide groove (12), and an end away from the through hole is provided as an inclined surface.

4. The quick-connect firefighting connector according to claim 1, characterized in that: The fixing unit (32) comprises a telescopic cylinder (321), the inner cavity of the telescopic cylinder (321) is provided with a second spring (322), one end of the second spring (322) is fixedly connected to the mounting ring (31), and the other end is fixedly connected to the telescopic cylinder (321).

5. The quick-connect firefighting connector according to claim 4, characterized in that: The control unit (33) includes a fixed block (331), a spring three (332) is provided at the upper end of the fixed block (331), a movable plate (333) is fixedly installed at the end of the spring three (332), a connecting block (334) is fixedly installed on the side of the mounting ring (31) close to the fixed block (331), movable blocks (335) are hinged on both sides of the end of the connecting block (334), and a tension spring (336) is elastically connected between the movable block (335) and the connecting block (334).

6. The quick-connect firefighting connector according to claim 5, characterized in that: A sliding groove is provided on the inner wall of the fixed block (331), and sliders are provided on the top and bottom of the movable plate (333). The movable plate (333) is movably connected to the fixed block (331), and both sides of the movable plate (333) are arranged as arc surfaces.

7. The quick-connect firefighting connector according to claim 1, characterized in that: The outer wall of the outer sleeve body (11) is provided with teeth, one side of the mounting ring (31) is provided with teeth, the mounting ring (31) and the outer sleeve body (11) are meshed and connected, and the outer wall of the outer sleeve body (11) is provided with holes.

8. The quick-connect firefighting connector according to claim 4, characterized in that: The bottom of the telescopic cylinder (321) is designed as an arc surface, limiting grooves are provided on both sides of the inner cavity of the outer sleeve body (11), and a rubber strip is provided on the outer wall of the inner sleeve body (21).

9. The quick-connect firefighting connector according to claim 1, characterized in that: The outer sleeve body (11) and the inner sleeve body (21) are both made of stainless steel, the guide groove (12) is arranged to be inclined, and the shape of the connecting block (334) is arranged to be "L"-shaped.

10. The quick-connect firefighting connector according to claim 2, characterized in that: The surface of the inner sleeve body (21) is provided with a mounting groove, the limiting assembly (22) is arranged in the mounting groove, and the spring 1 (221) is fixedly connected to the mounting groove.

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