Check valve convenient to clean
By introducing quick disassembly assemblies and propeller structures into the check valve, the liquid shear force is used to remove deposits, which solves the problem of inconvenient cleaning of the check valve, and realizes rapid disassembly and cleaning, improving system efficiency and product safety.
Patent Information
- Application Number
- CN202422882770.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2025-08-29
- Estimated Expiration
- 2034-11-26
AI Technical Summary
Existing check valves are inconvenient to clean during use, resulting in solid particles and impurities deposited, affecting the normal operation of the valve, increasing fluid resistance, reducing flow, shortening service life, and may lead to leakage or product contamination.
A check valve is designed for easy cleaning. By setting a quick disassembly assembly and a propeller structure on the support rod, the propeller is driven to rotate by liquid flow, forming a shear force to remove deposits, and quickly disassembly and clean through the quick disassembly assembly.
It realizes rapid disassembly and cleaning of check valves, reduces maintenance frequency, improves system efficiency, prevents scale formation, extends service life, and ensures product quality and safety.
Smart Images
Figure CN223282606U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of valve body cleaning, in particular to a check valve which is easy to clean. Background Art
[0002] As a key component in fluid control systems, check valves are primarily used to prevent the backflow of media. With evolving industrial demands, market requirements for the cleanliness and maintainability of check valves are increasing, particularly in industries such as water treatment, food processing, and the chemical industry, where the hygiene and safety of equipment directly impact product quality. This has led to the development of easy-to-clean check valves, many of which incorporate automatic cleaning technologies such as backwash mechanisms, which regularly clean the interior through reverse flushing of the fluid, reducing the need for manual cleaning. In summary, easy-to-clean check valves, through comprehensive technological innovation, improve the efficiency and safety of fluid control systems, meet the growing demands of modern industry, and positively promote the sustainable development of related industries.
[0003] However, existing check valves are difficult to clean during actual use. Long-term non-cleaning will cause solid particles and impurities to deposit inside the valve, forming scale, which will interfere with the normal operation of the valve and may even cause it to get stuck. Scale will also increase the resistance of the fluid through the valve, reduce the flow rate, affect the system efficiency, and increase the burden and energy consumption of the pump. In addition, residual substances may accelerate valve corrosion, shorten the service life, and cause leakage or failure. In key industries such as food processing or pharmaceuticals, inconvenient cleaning may also lead to product contamination, affecting quality and safety.
[0004] To this end, the utility model provides a check valve that is easy to clean. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve the problem of inconvenient cleaning, the utility model provides a check valve that is easy to clean.
[0006] The technical solution adopted by the present invention to solve its technical problems is: the utility model describes a check valve that is easy to clean, including a main body, the rear end of the inner side of the main body is snap-connected with a second supporting sleeve opposite to the left and right, the inner side of the second supporting sleeve is slidingly connected with a support rod, a sealing assembly is provided on the outer side of the middle end of the support rod, a nut is threadedly connected to the left side of the support rod, a limiting rod is fixedly connected to the right side of the support rod, a slot is provided on the right outer wall of the limiting rod, a fixing flange is fixedly connected to the right side of the main body, a threaded sleeve is fixedly connected to the right side of the fixing flange, and a quick-release assembly is provided on the right side of the threaded sleeve.
[0007] Furthermore, the quick-release assembly includes a limiting sleeve, an extended-range chamber is opened on the left inner wall of the limiting sleeve, a clamping ring is fixedly connected to the inner side of the middle end of the limiting sleeve, a second sliding sleeve is slidably connected to the inner side of the limiting sleeve, and a uniformly distributed limiting ball is slidably connected to the left inner end of the second sliding sleeve. A first spring is provided on the outside of the limiting ball, one end of the left side of the first spring is fixedly connected to the clamping ring, and one end of the right side of the first spring is fixedly connected to the second sliding sleeve, and the limiting sleeve is threadedly connected to the threaded sleeve.
[0008] Furthermore, the sealing assembly includes a first sealing plate, the first sealing plate is rotatably connected to the outer side of the middle end of the support rod, and the second sealing plate is rotatably connected to the outer side of the middle end of the support rod at the same time, the front end of the second sealing plate is clamped and connected to a second spring, the second spring is slidably connected to the support rod, and the second spring is clamped and connected to the first sealing plate.
[0009] Furthermore, the front end of the inner side of the main body is snap-connected with a first supporting sleeve opposite to the left and right, the inner side of the first supporting sleeve is slidingly connected with the same supporting rod, the middle end of the front support rod is slidingly connected with a first sliding sleeve, and the inner side of the first sliding sleeve is fixedly connected with a bevel gear ring.
[0010] Furthermore, the outer side of the front end of the first sliding sleeve is rotatably connected to a rotating ring, the outer side of the rotating ring is fixedly connected to a uniformly distributed first propeller, the inner side of the middle end of the first propeller is rotatably connected to a transmission rod, one end of the inner side of the transmission rod is fixedly connected to a bevel gear, the bevel gear is meshed with the bevel gear ring, and one end of the outer side of the transmission rod is fixedly connected to a uniformly distributed second propeller.
[0011] Furthermore, upper and lower water inlet holes are provided on the rear side of the main body.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. The utility model is a check valve that is easy to clean. A quick-release assembly is provided on the right side of the support rods on both sides of the front and rear, so that the quick-release assembly cooperates with the fixed flange and the threaded sleeve to quickly disassemble the front and rear support rods, thereby disassembling the structure on the support rods for easy disassembly and cleaning.
[0014] 2. The utility model is a check valve that is easy to clean. A first propeller is arranged in the main body, so that the flow of liquid drives the first propeller to rotate, and at the same time, the first propeller drives the transmission rod, the bevel gear and the second propeller to rotate around the bevel gear ring, and the bevel gear is limited by the bevel gear ring. While the transmission rod revolves around the bevel gear ring, it also rotates, thereby pushing the liquid to the surroundings to form a shear force, and the liquid shear force is used to impact the inner wall of the main body, helping to remove sediment or impurities on the inner wall of the main body, thereby reducing the maintenance frequency. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The present invention will be further described below with reference to the accompanying drawings.
[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 and enlarged images;
[0017] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;
[0018] Figure 3 This is a schematic diagram of the partial three-dimensional structure of the first sealing plate in the present invention;
[0019] Figure 4 This is a schematic diagram of the split three-dimensional structure of the first sealing plate in the utility model;
[0020] Figure 5 It is a schematic diagram of the cross-sectional structure of the second sliding sleeve in the utility model;
[0021] Figure 6 This is a schematic diagram of the partial three-dimensional structure of the first supporting sleeve in the present invention;
[0022] Figure 7 It is a schematic diagram of the cross-sectional structure of the rotating ring in the utility model;
[0023] Figure 8 It is a schematic diagram of the partial three-dimensional structure of the transmission rod in the utility model;
[0024] In the figure: 1. main body; 11. water inlet; 2. first supporting sleeve; 21. supporting rod; 22. first sliding sleeve; 23. bevel gear ring; 24. rotating ring; 25. first propeller; 26. transmission rod; 27. bevel gear; 28. second propeller; 3. limiting rod; 31. slot; 32. fixing flange; 33. threaded sleeve; 34. limiting sleeve; 35. range extension chamber; 36. snap ring; 37. second sliding sleeve; 38. limiting ball; 39. first spring; 310. nut; 4. second supporting sleeve; 41. first sealing plate; 42. second sealing plate; 43. second spring. DETAILED DESCRIPTION
[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0026] Example 1:
[0027] like Figures 1 to 8 As shown, the utility model describes a check valve that is easy to clean, including a main body 1, the rear end of the inner side of the main body 1 is engaged with the second supporting sleeve 4 opposite to the left and right, the second supporting sleeve 4 is engaged by the main body 1, and the second supporting sleeve 4 is slidably connected to the inner side of the second supporting sleeve 4, and the support rod 21 is limited by the second supporting sleeve 4, and the support rod 21 crosses the main body 1 to support and fix the second supporting sleeve 4. A sealing assembly is provided on the outer side of the middle end of the support rod 21, and a nut 310 is threadedly connected to the left side of the support rod 21, and the nut 310 is limited by the support rod 21. The right side of the support rod 21 is fixedly connected to the limiting rod 3, and the limiting rod 3 is fixed by the support rod 21. A slot 31 is provided on the right outer wall of the limiting rod 3, and the right side of the main body 1 is fixedly connected to a fixing flange 32, which is fixed by the main body 1. A threaded sleeve 33 is fixed on the right side of the fixing flange 32, and the threaded sleeve 33 is fixed by the fixing flange 32. A quick-release assembly is provided on the right side of the threaded sleeve 33.
[0028] The quick-release assembly includes a limiting sleeve 34, and an extended range chamber 35 is opened on the inner wall of the left side of the limiting sleeve 34. A snap ring 36 is fixedly connected to the inner side of the middle end of the limiting sleeve 34, and the snap ring 36 is fixed by the limiting sleeve 34. A second sliding sleeve 37 is slidably connected to the inner side of the limiting sleeve 34, and the limiting sleeve 34 is limited by the second sliding sleeve 37. The inner end of the left side of the second sliding sleeve 37 is slidably connected to uniformly distributed limiting balls 38, and the limiting balls 38 are limited by the second sliding sleeve 37. A first spring 39 is provided on the outside of the limiting ball 38, and one end of the left side of the first spring 39 is fixedly connected to the snap ring 36, and one end of the right side of the first spring 39 is fixedly connected to the second sliding sleeve 37. The second sliding sleeve 37 and the snap ring 36 are connected through the first spring 39, and the limiting sleeve 34 is threadedly connected to the threaded sleeve 33. The external thread on the outside of the threaded sleeve 33 cooperates with the internal thread on the left inner end of the limiting sleeve 34, thereby connecting the threaded sleeve 33 and the limiting sleeve 34.
[0029] The sealing assembly includes a first sealing plate 41, and the first sealing plate 41 is rotatably connected to the outer side of the middle end of the support rod 21, and the first sealing plate 41 is limited by the support rod 21. At the same time, the second sealing plate 42 is rotatably connected to the outer side of the middle end of the support rod 21, and the first sealing plate 41 is limited by the support rod 21. The front end of the second sealing plate 42 is engaged with a second spring 43, and the second spring 43 is slidingly connected to the support rod 21. The second spring 43 is engaged with the first sealing plate 41, and the second spring 43 is limited by the support rod 21. At the same time, the first sealing plate 41 and the second sealing plate 42 are pushed toward the rear end with the first sealing plate 41 and the second sealing plate 42 as stress points by the second spring 43.
[0030] The front end of the inner side of the main body 1 is engaged with the first supporting sleeve 2 opposite to the left and right. The first supporting sleeve 2 is engaged through the main body 1. The inner side of the first supporting sleeve 2 is slidably connected with the same support rod 21, and the first supporting sleeve 2 is supported and limited by the support rod 21. The middle end of the front support rod 21 is slidably connected with the first sliding sleeve 22, and the first sliding sleeve 22 is supported by the support rod 21. At the same time, the first sliding sleeve 22 is engaged and fixed by the first supporting sleeves 2 on both sides. A bevel gear ring 23 is fixedly connected to the inner side of the first sliding sleeve 22, and the bevel gear ring 23 is fixed by the first sliding sleeve 22.
[0031] A rotating ring 24 is rotatably connected to the outer side of the front end of the first sliding sleeve 22, and the rotating ring 24 is limited by the first sliding sleeve 22. Uniformly distributed first propellers 25 are fixedly connected to the outer side of the rotating ring 24 and fixed by the rotating ring 24. A transmission rod 26 is rotatably connected to the inner side of the middle end of the first propeller 25 and limited by the first propeller 25. A bevel gear 27 is fixedly connected to the inner end of the transmission rod 26 and fixed by the first propeller 25. The bevel gear 27 is meshed with the bevel gear ring 23 and limited by the bevel gear ring 23. As the bevel gear 27 revolves around the bevel gear ring 23, the bevel gear 27 is limited by the bevel gear ring 23, causing the bevel gear 27 to rotate. Uniformly distributed second propellers 28 are fixedly connected to the outer end of the transmission rod 26 and fixed by the transmission rod 26. As a result, the transmission rod 26 and the second propeller 28 are simultaneously driven to rotate by the bevel gear 27.
[0032] The rear side of the main body 1 is provided with water inlet holes 11 which are opposite to each other in the upper and lower directions. Through the water inlet holes 11 provided in the rear side of the main body 1 , liquid can flow out to the front end through the water inlet holes 11 .
[0033] Working principle: When disassembling the check valve for easy cleaning, first rotate the limiting sleeve 34, and through the external thread on the outside of the threaded sleeve 33 and the internal thread on the inner end of the left side of the limiting sleeve 34, push the limiting sleeve 34 to the right, and simultaneously drive the range extension chamber 35 and the locking ring 36 to move to the right through the limiting sleeve 34, cancel the locking fixation of the limiting ball 38, so that the limiting ball 38 can move outward and enter the range extension chamber 35, cancel the locking with the card slot 31, so that the second sliding sleeve 37 can be removed from the outside of the limiting rod 3, so that the support rod 21 can be pulled out from the left side of the main body 1, thereby disassembling the structure outside the support rod 21 on the front and rear sides, and then the internal structure can be taken out and cleaned carefully. In daily use, liquid passes through the water inlet hole 11 flows from the rear end to the front side, and the first sealing plate 41 and the second sealing plate 42 are squeezed forward by the liquid pressure, and the second spring 43 is squeezed, and the liquid flows to the inside of the main body 1 through the gap between the first sealing plate 41, the second sealing plate 42 and the water inlet 11, and impacts the first propeller 25, causing the first propeller 25 to rotate, and the first propeller 25 drives the rotating ring 24, the transmission rod 26, the bevel gear 27 and the second propeller 28 to revolve around the first sliding sleeve 22, and at the same time, the bevel gear 27 is limited by the bevel gear ring 23, so that the bevel gear 27 rotates while revolving around the bevel gear ring 23, so that the liquid is pushed to the surroundings by the second propeller 28, forming a shear force, and cleaning the inside of the main body 1.
[0034] The above-mentioned front, back, left, right, up and down are all based on the Figure 1 As a benchmark, according to the person's observation perspective, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting the scope of protection of the present invention.
[0036] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.
Claims
1. A check valve that is easy to clean, characterized in that: The invention comprises a main body (1), wherein the rear end of the inner side of the main body (1) is snap-connected with a second supporting sleeve (4) opposite to the left and right sides, the inner side of the second supporting sleeve (4) is slidably connected with a supporting rod (21), a sealing assembly is provided on the outer side of the middle end of the supporting rod (21), a nut (310) is threadedly connected to the left side of the supporting rod (21), a limiting rod (3) is fixedly connected to the right side of the supporting rod (21), a slot (31) is provided on the right outer wall of the limiting rod (3), a fixing flange (32) is fixedly connected to the right side of the main body (1), a threaded sleeve (33) is fixedly connected to the right side of the fixing flange (32), and a quick-release assembly is provided on the right side of the threaded sleeve (33).
2. A convenient-to-clean check valve according to claim 1, characterized in that: The quick-release assembly includes a limiting sleeve (34), a range-extending chamber (35) is provided on the left inner wall of the limiting sleeve (34), a snap ring (36) is fixedly connected to the inner side of the middle end of the limiting sleeve (34), a second sliding sleeve (37) is slidably connected to the inner side of the limiting sleeve (34), and a uniformly distributed limiting ball (38) is slidably connected to the left inner end of the second sliding sleeve (37), a first spring (39) is provided on the outer side of the limiting ball (38), a left end of the first spring (39) is fixedly connected to the snap ring (36), a right end of the first spring (39) is fixedly connected to the second sliding sleeve (37), and the limiting sleeve (34) is threadedly connected to the threaded sleeve (33).
3. A convenient-to-clean check valve according to claim 2, characterized in that: The sealing assembly comprises a first sealing plate (41), the outer side of the middle end of the support rod (21) is rotatably connected to the first sealing plate (41), and the outer side of the middle end of the support rod (21) is simultaneously rotatably connected to the second sealing plate (42), the front end of the second sealing plate (42) is engaged with a second spring (43), the second spring (43) is slidably connected to the support rod (21), and the second spring (43) is engaged with the first sealing plate (41).
4. A convenient-to-clean check valve according to claim 3, characterized in that: The front end of the inner side of the main body (1) is engaged with a first supporting sleeve (2) opposite to the left and right, the inner side of the first supporting sleeve (2) is slidably connected to the same supporting rod (21), the middle end of the front support rod (21) is slidably connected to a first sliding sleeve (22), and the inner side of the first sliding sleeve (22) is fixedly connected to a bevel gear ring (23).
5. The easy-to-clean check valve according to claim 4, characterized in that: The front end of the first sliding sleeve (22) is rotatably connected to a rotating ring (24), the outer side of the rotating ring (24) is fixedly connected to evenly distributed first propellers (25), the middle end of the first propeller (25) is rotatably connected to the inner side of a transmission rod (26), one end of the inner side of the transmission rod (26) is fixedly connected to a bevel gear (27), the bevel gear (27) is meshed with the bevel gear ring (23), and one end of the outer side of the transmission rod (26) is fixedly connected to evenly distributed second propellers (28).
6. The easy-to-clean check valve according to claim 1, characterized in that: The rear side of the main body (1) is provided with upper and lower opposite water inlet holes (11).