Leak-proof rotary joint

Abstract

The utility model discloses a leakproof rotary joint which comprises an outer shell, a connector is fixedly connected to the interior of the outer shell, a liquid inlet pipe is fixedly connected to the other end of the outer shell, a supporting assembly is movably installed at the bottom of the outer shell, an external thread is arranged on the outer wall of the end of the connector, and a liquid outlet pipe is fixedly connected to the liquid inlet pipe. A sealing ring is arranged on the inner wall of the connector, and the outer wall of the connector is sleeved with a protection assembly. According to the utility model, the elastic clamping ring is arranged, the connector and the mechanical equipment are installed at a gap where the connector and the mechanical equipment are connected after being in butt joint, and the pressing block is pressed in the limiting opening through contraction deformation of the spring, so that the elastic clamping ring is better fixed, and the elastic clamping ring is more attached to the butt joint gap between the connector and the equipment; the water absorption paper can absorb part of leaked liquid media, and the liquid level detector and the sound and light alarm lamp are matched, so that a good prompting effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary joints, in particular to a leakage-proof rotary joint. Background Art

[0002] A rotary joint is a closed rotary connector for rotating conveying media. Its main function is to input liquid from one side of the pipeline into a rotating or reciprocating device and then discharge it from it. Its application areas cover almost all processing and manufacturing industries, such as metallurgy, machine tools, power generation, petroleum, rubber, plastics, textiles, printing and dyeing, pharmaceuticals, cigarettes, papermaking, food, feed processing, etc.

[0003] The existing technology has the following problems:

[0004] In the prior art, the rotary joint will rotate continuously after being connected to the mechanical equipment. After a long period of rotation, the friction between the connector and the equipment may cause the flowing liquid medium to leak from the connection between the two, thereby affecting the normal use of the equipment. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a leakage-proof rotary joint to overcome the above-mentioned technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A leak-proof rotary joint comprises an outer shell, a connecting head is fixedly connected to the inside of the outer shell, a liquid inlet pipe is fixedly connected to the other end of the outer shell, a supporting assembly is movably installed on the bottom of the outer shell, an outer thread is provided on the outer wall of the end of the connecting head, a sealing ring is provided on the inner wall of the connecting head, a protective assembly is sleeved on the outer wall of the connecting head, the protective assembly comprises an elastic snap ring, an anti-slip pad is bonded to the inner wall of the elastic snap ring, an external snap ring is provided on the outer wall of the elastic snap ring, a spring is fixedly connected to the inner side wall of the external snap ring, a pressure block is fixedly connected to the end of the spring, and a limited position opening is provided on the outer wall of the elastic snap ring.

[0008] Preferably, the inner side wall of the anti-slip pad is fixedly connected with a Velcro, and absorbent paper is pasted on the surface of the Velcro. The absorbent paper can absorb part of the leaked liquid medium, and the Velcro adhesive design makes it easy to tear off and replace.

[0009] Preferably, a liquid level detector is fixedly installed on the top of the outer shell, and the detection probe of the liquid level detector penetrates into the interior of the connector near the top. An audible and visual alarm light is arranged on the top of the liquid level detector, and the liquid level detector and the audible and visual alarm light are electrically connected. The liquid level inside the connector can be monitored by the arranged liquid level detector. If the detection probe is not in the liquid, it indicates that a leakage has occurred, and a prompt is issued through the audible and visual alarm light to allow the staff to deal with it in time.

[0010] Preferably, the supporting assembly includes a connecting block, a limiting groove is provided at the bottom edge of the connecting block, a damping shaft is provided on the inner wall of the limiting groove, a supporting plate is fixedly connected to the end of the damping shaft, and the damping shaft is flipped out through the provided supporting plate, so that the rotary joint can be lifted up and supported when not in use, thereby avoiding damage caused by friction between the rotary joint and the ground, and preventing the rotary joint from rolling and falling on the desktop and causing damage.

[0011] Preferably, three groups of plug rods are fixedly connected to the top of the connecting block, and three groups of sockets are opened at the center of the bottom of the outer shell. By inserting the provided plug rods into the sockets at the bottom of the outer shell, the support assembly and the outer shell can be movably docked, making disassembly and assembly convenient.

[0012] Preferably, the outside of the insertion rod is sleeved with an anti-slip sleeve, and the end of the insertion rod and the inside of the socket are provided with strong magnets. Through the anti-slip sleeve and strong magnets, the support assembly and the outer shell can be firmly docked, and will not fall off easily when the rotating joint and the equipment are docked and rotated.

[0013] Preferably, a accommodating cavity is provided at the bottom of the connecting block, the interior of the accommodating cavity is filled with a counterweight block, and the top of the accommodating cavity is hinged with a cover plate through a hinge. After the counterweight block is placed in the accommodating cavity of the connecting block, the center of gravity of the entire rotary joint is lowered, thereby preventing it from tipping over.

[0014] The beneficial effects of the utility model are:

[0015] 1. The leak-proof rotary joint can achieve a certain leak-proof effect by installing the elastic clamp ring at the gap between the connector and the mechanical equipment after the connector and the mechanical equipment are docked. The pressure block is pressed into the limit opening by the contraction deformation of the spring, thereby achieving a better fixing effect on the elastic clamp ring, making the elastic clamp ring fit more closely to the docking gap between the connector and the equipment. The absorbent paper can absorb part of the leaked liquid medium, and can play a good prompting role in combination with the liquid level detector and the sound and light alarm light.

[0016] 2. The leak-proof rotary joint can be turned out through the damping shaft through the support sheet, so that the rotary joint can be lifted up and supported when not in use, avoiding the rotary joint from being damaged by direct friction with the ground, and preventing the rotary joint from rolling and falling on the table and causing damage. With the counterweight block, the center of gravity of the entire rotary joint is lowered, and it is not easily overturned by external forces when supported. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the protection component of the utility model;

[0020] Figure 3 This is a schematic diagram of the bottom structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the front structure of the support assembly of the utility model;

[0022] Figure 5 It is a schematic diagram of the bottom structure of the support assembly of the utility model.

[0023] In the figure: 1. outer shell; 2. connector; 3. liquid inlet pipe; 4. protective assembly; 401. elastic clamp; 402. external clamp; 403. spring; 404. pressure block; 405. limit opening; 406. absorbent paper; 5. sealing ring; 6. support assembly; 601. connecting block; 602. plug rod; 603. damping shaft; 604. support sheet; 605. counterweight; 7. liquid level detector; 8. sound and light alarm lamp; 9. socket. DETAILED DESCRIPTION

[0024] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] According to an embodiment of the utility model, a leakage-proof rotary joint is provided.

[0026] Embodiment 1;

[0027] like Figure 1-Figure 5 As shown, the leakage-proof rotary joint according to the embodiment of the utility model includes an outer shell 1, a connector 2 is fixedly connected to the inside of the outer shell 1, a liquid inlet pipe 3 is fixedly connected to the other end of the outer shell 1, a support assembly 6 is movably installed at the bottom of the outer shell 1, an outer thread is provided on the end outer wall of the connector 2, a sealing ring 5 is provided on the inner wall of the connector 2, a protective assembly 4 is sleeved on the outer wall of the connector 2, the protective assembly 4 includes an elastic snap ring 401, an anti-slip pad is bonded to the inner wall of the elastic snap ring 401, an external snap ring 402 is provided on the outer wall of the elastic snap ring 401, a spring 403 is fixedly connected to the inner wall of the external snap ring 402, a pressure block 404 is fixedly connected to the end of the spring 403, and a limiting opening 405 is provided on the outer wall of the elastic snap ring 401.

[0028] In this embodiment, the inner wall of the anti-slip pad is fixedly connected with Velcro, and absorbent paper 406 is pasted on the surface of the Velcro. The absorbent paper 406 can absorb part of the leaked liquid medium, and the Velcro adhesive design makes it easy to tear off and replace.

[0029] In this embodiment, a liquid level detector 7 is fixedly installed on the top of the outer shell 1. The detection probe of the liquid level detector 7 penetrates into the interior of the connector 2 near the top. An audible and visual alarm light 8 is arranged on the top of the liquid level detector 7. The liquid level detector 7 and the audible and visual alarm light 8 are electrically connected. Through the set liquid level detector 7, the liquid level inside the connector 2 can be monitored. If the detection probe is not in the liquid, it means that a leakage has occurred, and the audible and visual alarm light 8 is used to issue a prompt so that the staff can deal with it in time.

[0030] In this embodiment, the supporting assembly 6 includes a connecting block 601, a limiting groove is provided at the bottom edge of the connecting block 601, a damping shaft 603 is provided on the inner wall of the limiting groove, and a supporting sheet 604 is fixedly connected to the end of the damping shaft 603. The damping shaft 603 is flipped out through the provided supporting sheet 604, so that the rotating joint can be lifted up and supported when not in use, thereby avoiding damage caused by direct friction between the rotating joint and the ground, and also preventing the rotating joint from rolling and falling on the desktop and causing damage.

[0031] In this embodiment, three groups of plug rods 602 are fixedly connected to the top of the connecting block 601, and three groups of sockets 9 are opened at the center of the bottom of the outer shell 1. By setting the plug rods 602 and inserting them into the sockets 9 at the bottom of the outer shell 1, the support assembly 6 and the outer shell 1 can be flexibly connected, and disassembly and assembly are convenient.

[0032] Embodiment 2:

[0033] On the basis of the first embodiment, the preferred embodiment of the leakage-proof rotary joint provided by the present invention is as follows: Figures 1 to 5 As shown:

[0034] In this embodiment, the outside of the insertion rod 602 is sleeved with an anti-slip sleeve, and strong magnets are provided at the end of the insertion rod 602 and the inside of the socket 9. Through the anti-slip sleeve and the strong magnet, the support component 6 and the outer shell 1 can be firmly docked, and will not fall off easily when the rotating joint and the equipment are docked and rotated.

[0035] In this embodiment, a accommodating cavity is provided at the bottom of the connecting block 601, and the interior of the accommodating cavity is filled with a counterweight block 605. The top of the accommodating cavity is hinged with a cover plate through a hinge. After the counterweight block 605 is placed in the accommodating cavity of the connecting block 601, the center of gravity of the entire rotary joint is lowered, thereby making it difficult to overturn.

[0036] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0037] In actual application, after the connector 2 and the mechanical device are docked, the elastic clamp ring 401 is installed in the gap between the two, and the pressure block 404 is pressed into the limit opening 405 by the contraction deformation of the spring 403, so as to better fix the elastic clamp ring 401, so that the elastic clamp ring 401 and the docking gap between the connector 2 and the device are more closely fitted, and the absorbent paper 406 can absorb part of the leaked liquid medium, so as to achieve a good anti-leakage effect. The liquid level detector 7 can monitor the liquid level inside the connector 2. If the detection probe is not in the liquid, it is said that It is clear that a leakage has occurred, and the sound and light alarm light 8 is used to prompt the staff to deal with it in time. After the swivel joint is used, the counterweight block 605 is placed into the accommodating cavity at the bottom of the connecting block 601, and then the insertion rod 602 is inserted into the socket 9 at the bottom of the outer shell 1 to complete the installation of the support assembly 6. Finally, the support sheet 604 is turned out through the damping shaft 603. When the swivel joint is not in use, it can be lifted up for support to avoid damage to the swivel joint caused by direct contact and friction with the ground, and to prevent the swivel joint from rolling and falling on the desktop and causing damage.

[0038] In summary, with the aid of the above-mentioned technical scheme of the utility model, by setting the elastic snap ring 401, after the connector 2 and the mechanical equipment are docked, it is installed in the gap between the two, which can play a certain anti-leakage effect, and the pressure block 404 is pressed in the limit opening 405 by the contraction deformation of the spring 403, so as to have a better fixing effect on the elastic snap ring 401, so that the elastic snap ring 401 and the docking gap between the connector 2 and the equipment are more closely fitted, and the absorbent paper 406 can absorb part of the leaked liquid medium, and can play a good prompting role in conjunction with the liquid level detector 7 and the sound and light alarm lamp 8, and the support sheet 604 is turned out through the damping shaft 603, and can be lifted up and supported when the rotary joint is not in use, so as to avoid the rotary joint being directly in contact with the ground and being damaged by friction, and also prevent the rotary joint from rolling and falling on the desktop and causing damage, and cooperate with the counterweight block 605 to lower the center of gravity of the entire rotary joint, so that the rotary joint is not easily affected by external forces and overturned during support.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A leak-proof rotary joint, comprising an outer shell (1), characterized in that: A connector (2) is fixedly connected to the inside of the outer shell (1), a liquid inlet pipe (3) is fixedly connected to the other end of the outer shell (1), a support assembly (6) is movably mounted on the bottom of the outer shell (1), an outer wall of the end of the connector (2) is provided with an external thread, an inner wall of the connector (2) is provided with a sealing ring (5), a protective assembly (4) is sleeved on the outer wall of the connector (2), the protective assembly (4) comprises an elastic snap ring (401), an anti-slip pad is bonded to the inner wall of the elastic snap ring (401), an external snap ring (402) is provided on the outer wall of the elastic snap ring (401), a spring (403) is fixedly connected to the inner wall of the external snap ring (402), a pressure block (404) is fixedly connected to the end of the spring (403), and a limiting opening (405) is provided on the outer wall of the elastic snap ring (401).

2. A leak-proof rotary joint according to claim 1, characterized in that: The inner side wall of the anti-slip pad is fixedly connected with a Velcro, and the surface of the Velcro is pasted with absorbent paper (406).

3. The leak-proof rotary joint according to claim 1, characterized in that: A liquid level detector (7) is fixedly mounted on the top of the outer shell (1); a detection probe of the liquid level detector (7) penetrates into the interior of the connector (2) near the top; an audible and visual alarm light (8) is arranged on the top of the liquid level detector (7); and the liquid level detector (7) and the audible and visual alarm light (8) are electrically connected.

4. The leak-proof rotary joint according to claim 1, characterized in that: The support assembly (6) comprises a connecting block (601), a limiting groove is provided at the bottom edge of the connecting block (601), a damping shaft (603) is provided on the inner wall of the limiting groove, and a supporting sheet (604) is fixedly connected to the end of the damping shaft (603).

5. The leak-proof rotary joint according to claim 4, characterized in that: Three groups of plug rods (602) are fixedly connected to the top of the connection block (601), and three groups of plug holes (9) are provided at the center of the bottom of the outer shell (1).

6. The leak-proof rotary joint according to claim 5, characterized in that: The outside of the insertion rod (602) is sleeved with an anti-slip sleeve, and the end of the insertion rod (602) and the inside of the insertion hole (9) are provided with strong magnets.

7. The leak-proof rotary joint according to claim 4, characterized in that: The bottom of the connection block (601) is provided with a receiving cavity, the interior of the receiving cavity is filled with a counterweight block (605), and the top of the receiving cavity is hinged with a cover plate via a hinge.

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