Backflow prevention structure for pure water treatment
By designing an anti-return structure including anti-reverse pipe, rubber collar, stainless steel clamp, tightening rod, water outlet pipe, connection sleeve, silicone sleeve and magnetic block, the problem of inconvenient connection, anti-detachment and quick replacement of parts in the prior art is solved, and the usability and stability of the device are improved.
Patent Information
- Application Number
- CN202421561348.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-03
AI Technical Summary
When used, the existing anti-reflow structure for pure water treatment is inconvenient to connect dislocation pipelines, prevent the device from falling off, and make it difficult to quickly replace the device parts.
An anti-return structure including anti-reverse pipe, rubber collar, stainless steel clamp, tightening rod, water outlet pipe, connecting sleeve, silicone sleeve and magnetic block is designed. The rubber sleeve is fitted with the water inlet pipe, the anti-reverse pipe is threaded and the water outlet pipe is connected, and the silicone sleeve is hooked and connected with the magnetic block, making it easier to replace parts and fix the device.
This structure facilitates the connection of dislocation pipes and improves the usability of the device; the arrangement of stainless steel clamps and tightening rods ensures the fixing and stability of the device; the design of the connecting sleeve and silicone sleeve simplifies the replacement process of the parts.
Smart Images

Figure CN222772845U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pure water treatment, in particular to a backflow prevention structure for pure water treatment. Background Art
[0002] High-purity water refers to water with a conductivity of less than 0.1μs / cm and a residual salt content of less than 0.3mg / L at 25°C, and without trace bacteria, microorganisms, particles and other impurities of non-dielectrics. It is mainly used in the electronics and microelectronics industries, as well as in the food, papermaking, medicine, electronics, nuclear industry and other industries. During the pure water treatment process, pure water needs to be prevented from flowing back, so a backflow prevention structure for pure water treatment is needed.
[0003] The patent document with the existing technical announcement number CN221003928U provides a gas pipeline backflow prevention device, including a main pipeline, an air inlet pipe, an air outlet pipe and an auxiliary mechanism. The air inlet pipe and the air outlet pipe are coaxially fixed at both ends of the main pipeline respectively; the auxiliary mechanism includes an annular baffle, a limit rod, a connecting rod, a sliding rod, a sealing block and a spring. The outer ring edge of the annular baffle is welded to the inner side wall of one end of the air outlet pipe close to the main pipeline or welded to the inner side wall of one end of the main pipeline close to the air outlet pipe. The sealing block is located in the air outlet pipe and can block the middle through hole of the annular baffle. The inner side wall of the air outlet pipe is provided with a sliding rod parallel to the axis of the air outlet pipe. Rod, a spring is sleeved on the sliding rod, one end of the spring is fixed on the inner wall of the sliding rod or the outlet pipe, one end of the connecting rod is fixed on the sealing block, and the other end of the connecting rod is slidably sleeved on the sliding rod and connected to the other end of the spring; the limiting rod is arranged along the axial direction of the main pipe, one end of the limiting rod is connected to the sealing block, and the other end of the limiting rod is adapted to abut against the inner wall of the inlet pipe or the main pipe for limiting. However, when the CN221003928U technology is operated, it is not convenient to connect the misaligned pipes, prevent the device from falling off, and quickly replace the parts of the device. Therefore, a backflow prevention structure for pure water treatment is urgently needed. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a backflow prevention structure for pure water treatment to solve the problem that the existing backflow prevention structure for pure water treatment is not convenient for connecting misplaced pipes, preventing the device from falling off, and quickly replacing device parts when in use.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a backflow prevention structure for pure water treatment, comprising an anti-reverse pipe, one side of the anti-reverse pipe is provided with a rubber ring, the outer wall of the rubber ring is provided with a pull ring, and the inner wall of the rubber ring is fitted with a water inlet pipe.
[0006] The outer wall of the rubber ring is installed with a stainless steel clamp, and the inner wall of the stainless steel clamp is installed with a tightening rod.
[0007] The inner wall of the anti-reverse pipe is fixedly connected with a water outlet pipe, one side of the anti-reverse pipe is fixedly connected with a connecting sleeve, one side of the connecting sleeve is provided with a silicone sleeve, and the inside of the silicone sleeve is provided with a magnetic block.
[0008] Preferably, the inner wall of the rubber ring is tightly fitted with the outer wall of the water inlet pipe, and the inner wall diameter of the rubber ring is larger than the outer wall diameter of the water inlet pipe.
[0009] Preferably, the stainless steel clamp is threadedly connected to the tightening rod, and the inner wall of the stainless steel clamp is of open-hole design.
[0010] Preferably, the anti-reverse pipe is threadedly connected to the water outlet pipe, and the inner wall of the anti-reverse pipe is threaded.
[0011] Preferably, the silicone sleeve is snap-connected to the magnetic block, and the magnetic block is symmetrically arranged with respect to the central axis of the silicone sleeve.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model has a connecting function for the rubber sleeve by setting an anti-reverse tube. When the device is used, the setting of the rubber sleeve facilitates the connection of the misplaced water inlet pipe and water outlet pipe, thereby increasing the usability of the device;
[0014] 2. The utility model provides a stainless steel clamp to fix the tightening rod with a thread. When the device is used, the stainless steel clamp and the tightening rod are provided to facilitate the fixing and tightening of the device, prevent the device from moving, and increase the usability of the device;
[0015] 3. The utility model connects the silicone sleeve by providing a connecting sleeve. When the device is used, the provision of the anti-reverse tube facilitates the replacement of the connecting sleeve and the silicone sleeve, thereby increasing the usability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a vertical appearance diagram of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the utility model in vertical and sectional view;
[0018] Figure 3 This is a schematic diagram of the structure of the connection sleeve and the silicone sleeve parts combination of the utility model;
[0019] Figure 4 For this utility model Figure 1 The enlarged structural diagram of the middle A part;
[0020] Figure 5 For this utility model Figure 2 Schematic diagram of the structure with the B part enlarged.
[0021] In the figure: 1. anti-reverse tube; 2. rubber ring; 3. pull ring; 4. water inlet pipe; 5. stainless steel clamp; 6. tightening rod; 7. water outlet pipe; 8. connecting sleeve; 9. silicone sleeve; 10. magnetic block. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0023] The following describes an embodiment of the utility model based on its overall structure.
[0024] See also Figure 1-5 A backflow prevention structure for pure water treatment includes an anti-reverse pipe 1, a rubber sleeve 2 is arranged on one side of the anti-reverse pipe 1, a pull ring 3 is arranged on the outer wall of the rubber sleeve 2, an inlet pipe 4 is fitted on the inner wall of the rubber sleeve 2, the inner wall of the rubber sleeve 2 is tightly fitted with the outer wall of the inlet pipe 4, and the inner wall diameter of the rubber sleeve 2 is larger than the outer wall diameter of the inlet pipe 4. The anti-reverse pipe 1 is arranged to connect the rubber sleeve 2. When the device is used, the arrangement of the rubber sleeve 2 facilitates the connection of the misplaced inlet pipe 4 and the outlet pipe 7, thereby increasing the usability of the device.
[0025] See also Figure 1-5 , a backflow prevention structure for pure water treatment, the outer wall of the rubber ring 2 is installed with a stainless steel clamp 5, the inner wall of the stainless steel clamp 5 is installed with a tightening rod 6, the stainless steel clamp 5 is threadedly connected with the tightening rod 6, and the inner wall of the stainless steel clamp 5 is an open-hole design, the stainless steel clamp 5 is arranged to fix the tightening rod 6 with a thread, when the device is used, the arrangement of the stainless steel clamp 5 and the tightening rod 6 facilitates the fixing and tightening of the device to prevent the device from moving, thereby increasing the usability of the device.
[0026] See also Figure 1-5 , a backflow prevention structure for pure water treatment, the inner wall of the anti-reverse tube 1 is fixedly connected with a water outlet pipe 7, the anti-reverse tube 1 is threadedly connected to the water outlet pipe 7, and the inner wall of the anti-reverse tube 1 is threadedly arranged, one side of the anti-reverse tube 1 is fixedly connected with a connecting sleeve 8, one side of the connecting sleeve 8 is provided with a silicone sleeve 9, and the inside of the silicone sleeve 9 is provided with a magnetic block 10, the silicone sleeve 9 is snap-connected with the magnetic block 10, and the magnetic block 10 is symmetrically arranged with the central axis of the silicone sleeve 9, and the connecting sleeve 8 is arranged to connect the silicone sleeve 9. When using the device, the setting of the anti-reverse tube 1 facilitates the replacement of the connecting sleeve 8 and the silicone sleeve 9, thereby increasing the usability of the device.
[0027] Working principle: When in use, take out the device and place it in the designated position, then snap-fit and fix the silicone sleeve 9 to the magnetic block 10, then thread the connecting sleeve 8 to the anti-reverse tube 1, then thread the anti-reverse tube 1 to the water outlet pipe 7, then insert the stainless steel clamp 5 into the outer wall of the rubber sleeve 2, then pull the pull ring 3 open, insert the rubber sleeve 2 into the outer wall of the water inlet pipe 4, then rotate the tightening rod 6, tighten the stainless steel clamp 5 with the tightening rod 6, and finally water enters the silicone sleeve 9 through the water inlet pipe 4, and the water is discharged to the water outlet pipe 7. When the water stops flowing, the magnetic block 10 performs magnetic adsorption to close the silicone sleeve 9, thus completing the use of the device. The contents not described in detail in this manual belong to the prior art known to professional and technical personnel in this field.
[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A backflow prevention structure for pure water treatment, comprising a backflow prevention pipe (1), characterized in that: A rubber sleeve (2) is provided on one side of the anti-reversal tube (1), a pull ring (3) is provided on the outer wall of the rubber sleeve (2), and a water inlet pipe (4) is attached to the inner wall of the rubber sleeve (2); The outer wall of the rubber sleeve (2) is installed with a stainless steel clamp (5), and the inner wall of the stainless steel clamp (5) is installed with a tightening rod (6); The inner wall of the anti-reverse pipe (1) is fixedly connected to a water outlet pipe (7), one side of the anti-reverse pipe (1) is fixedly connected to a connecting sleeve (8), one side of the connecting sleeve (8) is provided with a silicone sleeve (9), and a magnetic block (10) is provided inside the silicone sleeve (9).
2. A backflow prevention structure for pure water treatment according to claim 1, characterized in that: The inner wall of the rubber sleeve (2) is tightly fitted to the outer wall of the water inlet pipe (4), and the inner wall diameter of the rubber sleeve (2) is larger than the outer wall diameter of the water inlet pipe (4).
3. The backflow prevention structure for pure water treatment according to claim 1, characterized in that: The stainless steel clamp (5) is threadedly connected to the tightening rod (6), and the inner wall of the stainless steel clamp (5) is of open-hole design.
4. The backflow prevention structure for pure water treatment according to claim 1, characterized in that: The anti-reversal pipe (1) is threadedly connected to the water outlet pipe (7), and the inner wall of the anti-reversal pipe (1) is threadedly arranged.
5. The backflow prevention structure for pure water treatment according to claim 1, characterized in that: The silicone sleeve (9) is snap-connected with the magnetic block (10), and the magnetic block (10) is symmetrically arranged with respect to the central axis of the silicone sleeve (9).
Citation Information
Patent Citations
A gas pipeline backflow prevention device
CN221003928U