Swing type liquid level float switch
By using sealing rings and stud nut structures in swing level float switches, the problem of liquid outflow caused by the switch and container gaps is solved, achieving better sealing and less corrosion risk.
Patent Information
- Application Number
- CN202421090000.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing swing level float switches can easily cause gaps between the container and the switch when used, causing liquid to flow out and affect the storage of liquid.
A swing level float switch including a sealing ring, a connecting seat and a junction box is designed. By setting a drill hole in the inner and outer walls of the container, the sealing ring and the closure barrel are inserted into the container, and the fixing structure of the nut and stud is ensured. Sealing and prevent liquid from entering the sealing barrel to avoid corrosion.
It effectively improves the seal between the switch and the container, prevents liquid from flowing out, and reduces corrosion of studs and nuts, simplifies the disassembly process.
Smart Images

Figure CN222281856U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of switches, and more specifically to a swing type liquid level float switch. Background Art
[0002] The liquid level switch is a liquid level sensor that controls the on and off of the circuit through the liquid level switch. The float level switch uses a micro switch as a contact output, uses magnetic operation, has no mechanical connectors, is simple and reliable to operate, is faster than general mechanical switches, has a longer working life, and is widely used in many industries.
[0003] The disadvantages of the prior art are that when the existing swing-type liquid level float switch is used, the switch needs to be fixed inside the container first. After fixation, a gap is easily generated between the container and the switch, which easily causes the liquid in the container to flow out, which is not conducive to the storage of the liquid. Utility Model Content
[0004] In order to overcome the above defects of the prior art, the utility model provides a swing type liquid level float switch to solve the problems existing in the above background technology.
[0005] The utility model provides the following technical solution: a swing type liquid level float switch, comprising a junction box, a sealing ring fixedly connected to the outer side of the junction box, a connecting seat movably connected to the inside of the junction box, a liquid level switch fixedly connected to one side of the connecting seat, a float movably connected to the inside of the liquid level switch, the sealing ring comprising a ring body, and a fixing groove is provided inside the ring body.
[0006] Preferably, the junction box comprises a box body, a signal line is fixedly connected to the top of the box body, and a closing cylinder and a stud are fixedly connected to one side of the box body.
[0007] Preferably, the connecting seat comprises a seat body, a sealing gasket is fixedly connected to the interior of the seat body, a seat groove is provided on one side of the seat body, and a nut is fixedly connected to one side of the seat body.
[0008] Preferably, the liquid level switch comprises a switch body, a fixing plate is fixedly connected to one side of the switch body, and a switch contact is fixedly connected to the middle of one side of the switch body.
[0009] Preferably, the float comprises a rotating frame, a connecting rod is fixedly connected to one side of the rotating frame, and a sphere is fixedly connected to the outer side of the connecting rod.
[0010] Preferably, a ring magnet is provided inside the float, and a reed switch is provided inside the liquid level switch.
[0011] Technical effects and advantages of the utility model:
[0012] The utility model is provided with a sealing ring, a connecting seat and a junction box, which is beneficial to the sealing between the switch and the container when the switch is fixed. During installation, the liquid level switch is placed on the inner wall of the container, and the junction box is placed on the outer wall of the container. A hole is drilled at the connection so that the closing cylinder can be inserted into the container, and the sealing ring can be inserted into the container under extrusion, so that it can be firmly attached to the container to ensure its sealing. The liquid level switch can be fixed by screwing the nut on the connecting seat onto the stud. As the nut is continuously screwed in, the closing cylinder can be pushed into the seat groove and pushed together with the sealing pad, so that it is more sealed, ensuring that liquid will not enter the closing cylinder to cause the stud and nut to be easily corroded, making it difficult to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0014] Figure 2 It is a schematic diagram of the overall structure of the junction box of the present utility model.
[0015] Figure 3 It is a schematic diagram of the overall structure of the sealing ring of the utility model.
[0016] Figure 4 It is a schematic diagram of the overall structure of the connecting seat of the utility model.
[0017] The figures are marked as follows: 1. Junction box; 101. Box body; 102. Signal line; 103. Closing cylinder; 104. Stud; 2. Sealing ring; 201. Ring body; 202. Fixing groove; 3. Connecting seat; 301. Sealing body; 302. Sealing gasket; 303. Sealing groove; 304. Nut; 4. Liquid level switch; 401. Switch body; 402. Fixing plate; 403. Switch contact; 5. Float; 501. Rotating frame; 502. Connecting rod; 503. Ball. DETAILED DESCRIPTION
[0018] The following will clearly and completely describe the technical solution of the utility model in conjunction with the drawings in the utility model. In addition, the forms of the various structures recorded in the following embodiments are merely examples. The swinging liquid level float switch involved in the utility model is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.
[0019] The utility model provides a swing type liquid level float switch, comprising a junction box 1, a sealing ring 2 is fixedly connected to the outer side of the junction box 1, a connecting seat 3 is movably connected to the inside of the junction box 1, a liquid level switch 4 is fixedly connected to one side of the connecting seat 3, a float 5 is movably connected to the inside of the liquid level switch 4, the sealing ring 2 comprises a ring body 201, a fixing groove 202 is arranged inside the ring body 201, during installation, the liquid level switch 4 is placed on the inner wall of a container, and the junction box 1 is placed on the outer wall of the container, a sealing cylinder 103 can be inserted into the container by drilling a hole at the connection, and the sealing ring 2 can be inserted into the container under extrusion, so that it can be firmly attached to the container to ensure its sealing performance, the liquid level switch 4 can be fixed by screwing a nut 304 on the connecting seat 3 onto a stud 104, and as it is continuously screwed in, the sealing cylinder 103 can be pushed into the seat groove 303 and pushed together with the sealing pad 302, so that it is more sealed, and it is ensured that liquid will not enter the sealing cylinder 103, which will cause the stud 104 and the nut 304 to be easily corroded, making it difficult to disassemble.
[0020] Furthermore, the junction box 1 includes a box body 101, a signal line 102 is fixedly connected to the top of the box body 101, a closed tube 103 and a stud 104 are fixedly connected to one side of the box body 101, the outer side of the stud 104 is provided with a thread, and the closed tube 103 is used to protect the stud 104 and the nut 304 inside it.
[0021] Furthermore, the connecting seat 3 includes a seat body 301, a sealing gasket 302 is fixedly connected to the inside of the seat body 301, a seat groove 303 is provided on one side of the seat body 301, a nut 304 is fixedly connected to one side of the seat body 301, a groove is provided inside the nut 304 that is compatible with the outer thread of the stud 104, and the seat groove 303 is used for the insertion of the closed tube 103.
[0022] Furthermore, the liquid level switch 4 includes a switch body 401 , a fixing plate 402 is fixedly connected to one side of the switch body 401 , a switch contact 403 is fixedly connected to the middle of one side of the switch body 401 , and a column is provided inside the fixing plate 402 for the rotating frame 501 to rotate.
[0023] Furthermore, the float 5 includes a rotating frame 501 , a connecting rod 502 is fixedly connected to one side of the rotating frame 501 , a sphere 503 is fixedly connected to the outer side of the connecting rod 502 , and the float 5 can swing in the fixed plate 402 .
[0024] Furthermore, a ring magnet is provided inside the float 5, and a reed switch is provided inside the liquid level switch 4. As the liquid level in the container changes, the float 5 is driven to swing up and down around the fixed plate 402 to control the opening and closing of the passage.
[0025] The working principle of the utility model is as follows: when using it, it is first fixed, the liquid level switch 4 is placed on the inner wall of the container, and the junction box 1 is placed on the outer wall of the container. By drilling a hole at the connection, the closing cylinder 103 can be inserted into the container, and the sealing ring 2 can be inserted into the container under extrusion, so that it can be firmly attached to the container to ensure its sealing. The liquid level switch 4 can be fixed by screwing the nut 304 on the connecting seat 3 onto the stud 104. As it is continuously screwed in, the closing cylinder 103 can be pushed into the seat groove 303 and pressed together with the sealing gasket 302, making it more sealed, ensuring that the liquid will not enter the closing cylinder 103 and cause the stud 104 and the nut 304 to be easily corroded, making it difficult to disassemble. After the fixing is completed, it can be used. As the liquid level in the container changes, the float 5 is driven to swing and rise around the fixed plate 402 to control the switch of the passage.
[0026] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0027] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0028] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A swing type liquid level float switch, comprising a junction box (1), characterized in that: A sealing ring (2) is fixedly connected to the outside of the junction box (1), a connecting seat (3) is movably connected to the inside of the junction box (1), a liquid level switch (4) is fixedly connected to one side of the connecting seat (3), a floating ball (5) is movably connected to the inside of the liquid level switch (4), and the sealing ring (2) comprises a ring body (201), and a fixing groove (202) is provided inside the ring body (201).
2. The swing type liquid level float switch according to claim 1, characterized in that: The junction box (1) comprises a box body (101), a signal line (102) is fixedly connected to the top of the box body (101), and a sealing cylinder (103) and a stud (104) are fixedly connected to one side of the box body (101).
3. The swing type liquid level float switch according to claim 1, characterized in that: The connecting seat (3) comprises a seat body (301), a sealing gasket (302) is fixedly connected inside the seat body (301), a seat groove (303) is provided on one side of the seat body (301), and a nut (304) is fixedly connected to one side of the seat body (301).
4. The swing type liquid level float switch according to claim 1, characterized in that: The liquid level switch (4) comprises a switch body (401), one side of the switch body (401) is fixedly connected to a fixing plate (402), and the middle of one side of the switch body (401) is fixedly connected to a switch contact (403).
5. The swing type liquid level float switch according to claim 1, characterized in that: The floating ball (5) comprises a rotating frame (501), one side of the rotating frame (501) is fixedly connected to a connecting rod (502), and the outer side of the connecting rod (502) is fixedly connected to a ball (503).
6. The swing type liquid level float switch according to claim 1, characterized in that: An annular magnet is arranged inside the float ball (5), and a reed switch is arranged inside the liquid level switch (4).
