Waterproof hammer air valve for long-distance water delivery pipeline
By designing a shielding mechanism and gear system on the waterproof hammer air valve, the problem of obstruction of debris outside the grid cage in the long-distance water supply pipeline is solved, and the smoothness of exhaust and the convenience of cleaning are achieved.
Patent Information
- Application Number
- CN202420898875.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-28
AI Technical Summary
When the waterproof hammer air valve of long-distance water supply pipe is exhausted, the clumping soil, plastic bags and other debris are easily adhered to the outside of the mesh cage, which leads to obstacles and is inconvenient to clean.
A waterproof hammer air valve including a breathable mesh cover, a positioning plate and a shading mechanism is designed. Through a combination of slide chute, slide, transmission block and block, high-pressure gas is used to push the block to ensure gas ejection and in the After the jet is completed, reset to prevent debris from being bonded, and combine with the top plate, positioning rod, fan blade, gear and rack assisting block to expand to ensure sufficient spray force.
It effectively avoids the bonding of debris on the outside of the mesh cover, ensures the smoothness of exhaust, reduces the cleaning frequency, and is suitable for long-distance water supply pipelines.
Smart Images
Figure CN222163715U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of anti-water hammer air valves, in particular to an anti-water hammer air valve for a long-distance water delivery pipeline. Background Art
[0002] The anti-water hammer air valve is a valve specially used for exhausting water conservancy pipelines. It is mainly used in various water plants, water supply projects and urban pipeline systems to remove air from the pipeline and effectively prevent water hammer caused by the pipeline.
[0003] In order to prevent large particles from blocking the air outlet, the anti-water hammer air valve will be connected to a mesh cage at the air outlet. However, due to the complex environment in which the anti-water hammer air valve is located, the outside of the mesh cage is easily adhered to and agglomerated dirt, plastic bags and other debris, which will cause obstruction during exhaust and need to be cleaned regularly. It is inconvenient to clean it in long-distance water pipelines. Therefore, in order to solve the above problems, an anti-water hammer air valve for long-distance water pipelines is proposed. Utility Model Content
[0004] In order to make up for the shortcomings of the prior art and solve the problem that the anti-hammer air valve can prevent large particles from blocking the air outlet, a mesh cage is connected to the air outlet. However, due to the complex environment in which the anti-hammer air valve is located, the outside of the mesh cage is easily adhered to and agglomerated soil, plastic bags and other debris, which will cause obstruction during exhaust and need to be cleaned regularly. The problem of inconvenience in cleaning long-distance transmission pipelines is proposed. An anti-hammer air valve for long-distance water transmission pipelines is proposed.
[0005] The technical solution adopted by the utility model to solve the technical problem is: the utility model discloses an air valve for preventing water hammer in a long-distance water pipeline, comprising an air valve body; a breathable mesh cover is installed on the top of the air valve body, and a positioning plate is installed on the top of the breathable mesh cover;
[0006] A shielding mechanism is provided on the positioning plate, and the shielding mechanism includes a slide groove opened on the positioning plate, a slider is slidably connected in the slide groove, one end of the slider is elastically connected to the inner wall of the slide groove through a spring, the top of the slider is fixedly connected to a transmission block, and the bottom of the transmission block is fixedly connected to a shielding block through a connecting block. Through the setting of the shielding mechanism, the breathable mesh cover is shielded and protected to prevent dirt, plastic bags and other debris that are easily adhered to the outside of the mesh cover.
[0007] Preferably, the top of the positioning plate is fixedly connected to the top plate by a fixing rod, the bottom of the top plate is rotatably connected to the positioning rod, the bottom end of the positioning rod passes through the positioning plate and is fixedly connected to the fan blade, the outer wall of the positioning rod is fixedly connected to the first gear, the top of the positioning plate is rotatably connected to the second gear by a rotating shaft, the first gear is meshingly connected to the second gear, one side of the transmission block is fixedly connected to a rack, the rack is meshingly connected to the second gear, and the cooperation of the top plate, the positioning rod, the fan blade, the first gear, the second gear and the rack can assist the expansion of the shielding block to avoid insufficient blowing force to blow open the shielding block.
[0008] Preferably, a protective ring is fixedly connected to the top of the positioning plate, and a through groove is opened on one side of the outer wall of the protective ring. Through the setting of the protective ring, the top plate, positioning rod, fan blades, first gear, second gear and rack can be shielded and protected.
[0009] Preferably, an auxiliary block is slidably connected to the outer wall of the transmission block, and the auxiliary block is configured as an arc-shaped block. The through slot can be shielded by the cooperation of the auxiliary block.
[0010] Preferably, the inner side wall of the slide groove is fixedly connected with a guide rod, one end of which passes through the slider, and the movement of the slider is positioned and guided by the setting of the guide rod.
[0011] Preferably, the shielding block is configured as an arc-shaped block, and a sealing gasket is provided on the outer wall of the shielding block. By configuring the shielding block as an arc-shaped block, it is easy to fit with the breathable mesh cover.
[0012] Preferably, a connecting flange is fixedly connected to the bottom of the air valve body, and a sealing gasket is provided on the outer wall of the connecting flange. The setting of the connecting flange can facilitate the installation of the air valve on the water pipe.
[0013] Beneficial effects of the utility model:
[0014] 1. The utility model provides an air valve for preventing water hammer in a long-distance water pipeline. By setting a shielding mechanism, the air-permeable mesh cover on the air valve can be shielded and protected to prevent dirt, plastic bags and other debris that are easily adhered and agglomerated on the outside of the mesh cage from affecting the exhaust. That is, when the air valve is exhausting, the gas blown out of the air valve body is blown through the air-permeable mesh cover. During this process, the high-pressure gas generated by the blowing pushes open the shielding block that shields the air-permeable mesh cover to ensure the ejection of the gas. At the same time, the shielding block drives the transmission block to move through the positioning block and the connecting block, and the transmission block drives the slider to move and applies pressure to the spring. After the jetting is completed, under the pressure of the spring, the slider drives the transmission block to reset, and then the shielding block resets and shields the air-permeable mesh cover to prevent dirt, plastic bags and other debris that are adhered and agglomerated on the air-permeable mesh cover when no jetting is performed.
[0015] 2. The utility model provides an air valve for preventing water hammer in long-distance water pipelines. Through the cooperation of a top plate, a positioning rod, a fan blade, a first gear, a second gear and a rack, the expansion of a shielding block can be assisted to avoid the shielding block being insufficiently blown open by a blowing force. That is, the blown gas will first act on the fan blade and drive the fan blade to rotate before blowing the breathable mesh cover. The fan blade drives the first gear to rotate through the positioning rod, and the first gear drives the rack to move through the second gear to assist the expansion of the shielding block. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 It is a three-dimensional diagram of the breathable mesh cover in the utility model;
[0019] Figure 3 It is a three-dimensional diagram of the protective ring in the utility model;
[0020] Figure 4 It is a cross-sectional structural diagram of the air-permeable mesh cover and the shielding mechanism in the utility model;
[0021] Figure 5 It is a three-dimensional diagram of the positioning plate in the utility model;
[0022] Legend:
[0023] 1. Air valve body; 2. Breathable mesh cover; 3. Positioning plate; 4. Shielding mechanism; 41. Slide groove; 42. Sliding block; 43. Spring; 44. Transmission block; 45. Shielding block; 5. Top plate; 6. Positioning rod; 7. Fan blade; 8. First gear; 9. Rack; 10. Protective ring; 11. Auxiliary block; 12. Guide rod; 13. Connecting flange. DETAILED DESCRIPTION
[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Specific examples are given below.
[0026] See also Figure 1-Figure 5The utility model provides an air valve for preventing water hammer in a long-distance water pipeline, comprising an air valve body 1; a breathable mesh cover 2 is installed on the top of the air valve body 1, and a positioning plate 3 is installed on the top of the breathable mesh cover 2;
[0027] A shielding mechanism 4 is provided on the positioning plate 3, and the shielding mechanism 4 includes a slide groove 41 provided on the positioning plate 3, a slider 42 is slidably connected in the slide groove 41, one end of the slider 42 is elastically connected to the inner wall of the slide groove 41 through a spring 43, a transmission block 44 is fixedly connected to the top of the slider 42, and a shielding block 45 is fixedly connected to the bottom of the transmission block 44 through a connecting block; when working, the shielding mechanism 4 can be set to shield and protect the air-permeable mesh cover 2 on the air valve to prevent the dirt, plastic bags and other debris that are easily adhered to the outside of the mesh cage from affecting the exhaust, that is, when the air valve is exhausting The gas sprayed from the air valve body 1 is sprayed through the air-permeable mesh cover 2. During this process, the high-pressure gas generated by the spraying pushes open the blocking block 45 that blocks the air-permeable mesh cover 2 to ensure the spraying of the gas. At the same time, the blocking block 45 drives the transmission block 44 to move through the positioning block and the connecting block, and the transmission block 44 drives the slider 42 to move and applies pressure to the spring 43. After the spraying is completed, under the pressure of the spring 43, the slider 42 drives the transmission block 44 to reset, and then the blocking block 45 resets and blocks the air-permeable mesh cover 2 to avoid the soil, plastic bags and other debris adhering to the air-permeable mesh cover 2 when no spraying is done.
[0028] Further, such as Figure 4 and Figure 5 As shown, the top of the positioning plate 3 is fixedly connected to the top plate 5 through a fixing rod, the bottom of the top plate 5 is rotatably connected to the positioning rod 6, the bottom end of the positioning rod 6 penetrates the positioning plate 3 and is fixedly connected to the fan blade 7, the outer wall of the positioning rod 6 is fixedly connected to the first gear 8, the top of the positioning plate 3 is rotatably connected to the second gear through a rotating shaft, the first gear 8 is meshed with the second gear, and one side of the transmission block 44 is fixedly connected to a rack 9, and the rack 9 is meshed with the second gear. During operation, the cooperation of the top plate 5, the positioning rod 6, the fan blade 7, the first gear 8, the second gear and the rack 9 can assist the expansion of the shielding block 45 to avoid the blowing force being insufficient to blow open the shielding block 45, that is, the gas sprayed will first act on the fan blade 7 and drive the fan blade 7 to rotate before spraying the breathable mesh cover 2, the fan blade 7 drives the first gear 8 to rotate through the positioning rod 6, and the first gear 8 drives the rack 9 to move through the second gear, so as to assist the expansion of the shielding block 45.
[0029] Further, such as Figure 4 and Figure 5 As shown, a protective ring 10 is fixedly connected to the top of the positioning plate 3, and a through groove is provided on one side of the outer wall of the protective ring 10. When working, the top plate 5, the positioning rod 6, the fan blade 7, the first gear 8, the second gear and the rack 9 can be shielded and protected by the setting of the protective ring 10.
[0030] Further, such as Figure 3 and Figure 4 As shown, the outer wall of the transmission block 44 is slidably connected with an auxiliary block 11, and the auxiliary block 11 is set as an arc block. During operation, the through slot can be shielded by the cooperation of the auxiliary block 11.
[0031] Further, such as Figure 4 As shown, the inner side wall of the slide groove 41 is fixedly connected with a guide rod 12, and one end of the guide rod 12 passes through the slider 42. During operation, the movement of the slider 42 is positioned and guided by the setting of the guide rod 12.
[0032] Further, such as Figure 3 and Figure 5 As shown, the shielding block 45 is set as an arc block, and a sealing pad is set on the outer wall of the shielding block 45. During operation, by setting the shielding block 45 as an arc block, it is convenient to fit with the breathable mesh cover 2.
[0033] Further, such as Figure 1 As shown, a connecting flange 13 is fixedly connected to the bottom of the air valve body 1, and a sealing gasket is arranged on the outer wall of the connecting flange 13. During operation, the air valve can be conveniently installed on the water pipe through the arrangement of the connecting flange 13.
[0034] Working principle: when the air valve is exhausting, the gas blown out by the air valve body 1 is blown through the breathable mesh cover 2. During this process, the high-pressure gas generated by the blowing pushes open the blocking block 45 that blocks the breathable mesh cover 2 to ensure the gas is ejected. At the same time, the blocking block 45 drives the transmission block 44 to move through the positioning block and the connecting block, and the transmission block 44 drives the slider 42 to move and applies pressure to the spring 43. After the jetting is completed, under the pressure of the spring 43, the slider 42 drives the transmission block 44 to reset, and then the blocking block 45 resets and blocks the breathable mesh cover 2 to avoid the soil and plastic bags and other debris that are adhered to the breathable mesh cover 2 when the jet is not being ejected. The blown gas will first act on the fan blades 7 and drive the fan blades 7 to rotate before blowing the breathable mesh cover 2. The fan blades 7 drive the first gear 8 to rotate through the positioning rod 6, and the first gear 8 drives the rack 9 to move through the second gear to assist the expansion of the blocking block 45.
[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An air valve for preventing water hammer in a long-distance water pipeline, comprising an air valve body (1); a breathable mesh cover (2) is installed on the top of the air valve body (1); Features: A positioning plate (3) is installed on the top of the air-permeable mesh cover (2); The positioning plate (3) is provided with a shielding mechanism (4), the shielding mechanism (4) comprising a slide groove (41) provided on the positioning plate (3), a slider (42) being slidably connected in the slide groove (41), one end of the slider (42) being elastically connected to the inner wall of the slide groove (41) via a spring (43), the top end of the slider (42) being fixedly connected to a transmission block (44), and the bottom of the transmission block (44) being fixedly connected to a shielding block (45) via a connecting block.
2. According to claim 1, a long distance water pipeline anti-water hammer air valve, Features: The top of the positioning plate (3) is fixedly connected to a top plate (5) via a fixing rod, the bottom of the top plate (5) is rotatably connected to a positioning rod (6), the bottom end of the positioning rod (6) passes through the positioning plate (3) and is fixedly connected to a fan blade (7), the outer wall of the positioning rod (6) is fixedly connected to a first gear (8), the top of the positioning plate (3) is rotatably connected to a second gear via a rotating shaft, the first gear (8) is meshingly connected to the second gear, and a side surface of the transmission block (44) is fixedly connected to a rack (9), and the rack (9) is meshingly connected to the second gear.
3. The air valve for preventing water hammer in long-distance water pipeline according to claim 2, Features: A protective ring (10) is fixedly connected to the top of the positioning plate (3), and a through groove is provided on one side of the outer wall of the protective ring (10).
4. The air valve for preventing water hammer in long-distance water pipeline according to claim 3, Features: The outer wall of the transmission block (44) is slidably connected with an auxiliary block (11), and the auxiliary block (11) is configured as an arc-shaped block.
5. The air valve for preventing water hammer in long-distance water pipeline according to claim 4, Features: The inner side wall of the slide groove (41) is fixedly connected with a guide rod (12), and one end of the guide rod (12) passes through the slide block (42).
6. The air valve for preventing water hammer in long-distance water pipeline according to claim 5, Features: The shielding block (45) is configured as an arc-shaped block, and a sealing gasket is provided on the outer wall of the shielding block (45).
7. The air valve for preventing water hammer in long-distance water pipeline according to claim 6, Features: A connecting flange (13) is fixedly connected to the bottom of the air valve body (1), and a sealing gasket is provided on the outer wall of the connecting flange (13).