Automatic exhaust valve device of water pump

Abstract

The utility model discloses an automatic exhaust valve device of a water pump, which relates to the field of exhaust valves of water pumps and comprises an exhaust valve body, a sliding rod is arranged in the exhaust valve body, a floating ball is connected to the surface of the sliding rod in a sliding manner, two sliding grooves are formed in the surface of the floating ball, two second T-shaped grooves are formed in each sliding groove, and the second T-shaped grooves are connected with the sliding rod in a sliding manner. And push plates are slidably connected to the interiors of the two second T-shaped grooves correspondingly, springs are fixedly connected to one faces of the two push plates correspondingly, and the ends, away from the push plates, of the two springs are fixedly connected with the inner walls of the corresponding second T-shaped grooves correspondingly. The floating ball is connected with the L-shaped guide rod in a clamped mode, the floating ball is connected with the sliding rod in a sliding mode, so that after the device is used for a long time, the whole valve can be conveniently disassembled, the floating ball can be independently disassembled and replaced, the whole valve does not need to be replaced, resources are saved, and the cost is reduced. The practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of water pump exhaust valves, in particular to an automatic exhaust valve device for a water pump. Background Art

[0002] The water pump exhaust valve is a valve installed in the pipeline system. It is mainly used to exhaust the air in the pipeline to prevent the air from having a negative impact on the pump and improve the efficiency and life of the pump. Its main functions are as follows: 1. Prevent air from entering the pipeline: The air in the pipeline will occupy part of the space in the pipeline, which will cause the liquid in the pipeline to not flow fully and affect the normal operation of the system. The pump exhaust valve can exhaust the air in the pipeline in time, keep the liquid in the pipeline unobstructed, and ensure the smooth operation of the system; 2. Increase the efficiency of the pump: When there is a large amount of air in the pipeline, the flow resistance of the air is much smaller than that of the liquid, which will reduce the liquid flow rate and flow rate inside the pipeline and reduce the efficiency of the pump. The exhaust valve can exhaust the air in time, eliminate the resistance in the pipeline, and improve the efficiency of the pump; 3. Extend the life of the pump: During the operation of the pump, if there is air in the pipeline, the pump will be in a no-load state, resulting in increased wear of the pump bearings, impellers and other components, shortening the service life of the pump. The use of the exhaust valve can effectively avoid this phenomenon, protect the operation stability of the pump, and extend the service life of the pump.

[0003] After searching, the applicant found that a Chinese patent disclosed "an automatic exhaust valve," and its publication (announcement) number is "CN214946764U". The patent mainly provides a valve cavity in the valve body, a float is provided in the valve cavity, the float is fixedly connected to the valve stem, an exhaust pipe is provided in the valve body, one end of the spring is fixedly connected to the valve stem, and the other end of the spring is fixedly connected to the exhaust pipe. The valve stem and the exhaust pipe are both nested in the spring, so as to prevent the exhaust pipe outlet of the exhaust valve from rusting and sticking to the valve stem during long-term use, which may cause the exhaust valve to fail to open normally.

[0004] Although the device in the above patent can achieve a certain automatic exhaust effect, when the float is used for a long time, impurities in the water will adhere to the inside of the float, causing the buoyancy effect of the float to decrease. If the exhaust valve is directly replaced, it will cause a waste of resources. After long-term use, the float cannot be replaced, which reduces the practicality of the device. Utility Model Content

[0005] The purpose of the utility model is to provide an automatic exhaust valve device for a water pump, so as to solve the problem that although the device in the above patent proposed in the above background technology can achieve a certain automatic exhaust effect, when the float is used for a long time, impurities in the water will adhere to the inside of the float, resulting in a decrease in the buoyancy effect of the float. If the exhaust valve is directly replaced, it will cause a waste of resources. After long-term use, the float cannot be replaced, which reduces the practicality of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic exhaust valve device for a water pump, comprising an exhaust valve body, a sliding rod is provided inside the exhaust valve body, a floating ball is slidably connected to the surface of the sliding rod, two sliding grooves are provided on the surface of the floating ball, two second T-grooves are provided inside the two sliding grooves, push plates are slidably connected inside the two second T-grooves, springs are fixedly connected to one side of the two push plates, and the ends of the two springs away from the push plates are respectively fixedly connected to the inner walls of the corresponding second T-grooves.

[0007] Preferably, L-shaped guide rods are provided inside the two second T-slots, and the bottoms of the inner walls of the two L-shaped guide rods are fixedly connected with stop blocks, and the surfaces of the two stop blocks are respectively pressed against the bottoms of the corresponding push plates.

[0008] Preferably, a through groove is provided inside the float, and a plurality of notches are provided on both sides of the rod wall of the slide rod, and rollers are rotatably connected inside the plurality of notches, and the plurality of rollers are slidably connected to the inner wall of the through groove.

[0009] Preferably, a surface of the sliding rod is provided with threads, and the threads are threadedly connected to an upper wall of the exhaust valve body.

[0010] Preferably, a circular plate is threadedly connected to the bottom of the sliding rod, and the area of ​​the circular plate is larger than the area of ​​the transverse section of the through groove.

[0011] Preferably, exhaust ports are provided on both sides of the exhaust valve body, and filters are fixedly connected to the inside of the two exhaust ports.

[0012] Preferably, a first T-groove is provided inside the two exhaust ports, and baffles are slidably connected inside the two first T-grooves, and one side of the two baffles is respectively fixedly connected to one end of the L-shaped guide rod away from the float.

[0013] Preferably, limiting grooves are provided on both sides of the inner wall of the exhaust valve body, a sealing ring is fixedly connected to the inside of the exhaust valve body, the size of the sealing ring is adapted to the top surface of the float, a connecting piece is threadedly connected to the bottom of the exhaust valve body, a plurality of turbulence plates are fixedly connected to the bottom surface of the inner wall of the connecting piece, and the plurality of turbulence plates are relatively staggered in layout.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The utility model provides a floating ball and an L-shaped guide rod for clamping connection, and a floating ball and a sliding rod for sliding connection, so that after the device is used for a long time, it is convenient to disassemble the entire valve, and the floating ball can be disassembled and replaced separately without replacing the entire valve, which saves resources and increases the practicality of the device.

[0016] 2. When the water pump is not in use, the utility model drives the circular plate to resist by rotating the sliding rod, and then drives the float to move by the circular plate, so that the surface of the float fits tightly with the sealing plate, preventing air from entering the water pump when the water pump is not in use, causing air to remain inside when starting, thereby avoiding reducing the efficiency of the pump when starting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the exhaust valve device of the utility model.

[0019] Figure 3 It is a front view cross-sectional structural schematic diagram of the utility model.

[0020] Figure 4 It is a schematic diagram of the front cross-sectional structure of the float of the utility model.

[0021] In the figure: 1. exhaust valve body; 2. connecting piece; 3. exhaust port; 4. sliding rod; 5. notch; 6. roller; 7. L-shaped guide rod; 8. stop block; 9. float; 10. slide groove; 11. round plate; 12. filter screen; 13. first T-slot; 14. baffle; 15. limit groove; 16. sealing ring; 17. turbulence plate; 18. second T-slot; 19. push plate; 20. spring; 21. thread; 22. through groove. 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0023] The utility model provides Figure 1-4 The shown embodiment is an automatic exhaust valve device for a water pump, comprising an exhaust valve body 1, a slide rod 4 being provided inside the exhaust valve body 1, a float 9 being slidably connected to the surface of the slide rod 4, two slide grooves 10 being provided on the surface of the float 9, two second T-grooves 18 being provided inside the two slide grooves 10, push plates 19 being slidably connected to the insides of the two second T-grooves 18, springs 20 being fixedly connected to one side of the two push plates 19, and the ends of the two springs 20 away from the push plates 19 being fixedly connected to the inner walls of the corresponding second T-grooves 18 respectively.

[0024] like Figure 2As shown, an L-shaped guide rod 7 is provided inside the two second T-slots 18, and a stop block 8 is fixedly connected to the bottom of the inner wall of the two L-shaped guide rods 7. The surfaces of the two stop blocks 8 are respectively pressed against the bottom of the corresponding push plates 19. After the stop blocks 8 and the push plates 19 are clamped together, the float 9 and the L-shaped guide rod 7 can be fixed.

[0025] like Figure 2 As shown, a through groove 22 is opened inside the float 9, and multiple notches 5 are opened on both sides of the rod wall of the slide rod 4. Rollers 6 are rotatably connected inside the multiple notches 5, and the multiple rollers 6 are slidingly connected to the inner wall of the through groove 22. A circular plate 11 is threadedly connected to the bottom of the slide rod 4. The area of ​​the circular plate 11 is larger than the area of ​​the transverse section of the through groove 22, so that after the water pump is used, twisting the slide rod 4 can drive the circular plate 11 to move, thereby making the float 9 fit with the sealing ring 16.

[0026] like Figure 3 As shown, a thread 21 is provided on the surface of the slide rod 4, and the thread 21 is threadedly connected to the upper wall of the exhaust valve body 1. Exhaust ports 3 are provided on both sides of the exhaust valve body 1, and filters 12 are fixedly connected to the inside of the two exhaust ports 3 to prevent impurities from entering the pump body and causing damage to the water pump components.

[0027] like Figure 3 As shown, the two exhaust ports 3 are each provided with a first T-groove 13 , and the two first T-grooves 13 are both slidably connected with a baffle 14 , and one side of the two baffles 14 is respectively fixedly connected to one end of the L-shaped guide rod 7 away from the float 9 .

[0028] like Figure 3 As shown, limiting grooves 15 are provided on both sides of the inner wall of the exhaust valve body 1, a sealing ring 16 is fixedly connected to the inside of the exhaust valve body 1, and the size of the sealing ring 16 is adapted to the top surface of the float 9. A connector 2 is threadedly connected to the bottom of the exhaust valve body 1, and a plurality of turbulence plates 17 are fixedly connected to the bottom surface of the inner wall of the connector 2. The plurality of turbulence plates 17 are relatively staggered in layout. The staggered layout of the turbulence plates 17 allows air to gather when water flows through the turbulence plates 17, thereby accelerating the discharge of air.

[0029] Working principle of the utility model: when the utility model is in use, first fix the device inside the water pump. When water passes through the connecting piece 2, it will contact the turbulence plate 17. At this time, the air part rubs against the turbulence plate 17 to gather and increase the collection of air to prevent the water from flowing too fast and the air from being released incompletely. At this time, the float 9 moves downward, and the push plate 19 is driven downward by the downward movement of the float 9. The L-shaped guide rod 7 is driven downward by the downward movement of the push plate 19. The baffle 14 is driven downward by the downward movement of the L-shaped guide rod 7. At this time, the exhaust port 3 is opened and the air is discharged. When the internal air is exhausted, the water will drag the float 9 to move upward so that the upper surface of the float 9 fits with the sealing ring 16 to prevent water from entering the air, and the baffle 14 will be closed with the first T-slot 13. At this time, the exhaust port 3 is in a closed state.

[0030] When the water pump is finished using, the slide rod 4 is twisted to move upward due to the action of the thread 21, and the circular plate 11 is moved upward by the slide rod 4, and the floating ball 9 is moved upward by the circular plate 11. At this time, the surface of the floating ball 9 is in contact with the sealing ring 16 to prevent air from entering the pump.

[0031] After using it for a period of time, the exhaust valve body 1 is twisted to separate the connecting piece 2, and the push plate 19 is pushed to separate the push plate 19 from the L-shaped guide rod 7, and then the circular plate 11 is unscrewed to take out the float 9 and replace it with a new float 9. This article highlights the innovative structure and does not go into too much detail about the prior art.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. An automatic exhaust valve device for a water pump, comprising an exhaust valve body (1), characterized in that: A slide rod (4) is provided inside the exhaust valve body (1), and a float (9) is slidably connected to the surface of the slide rod (4), and two slide grooves (10) are provided on the surface of the float (9), and two second T-grooves (18) are provided inside the two slide grooves (10), and push plates (19) are slidably connected inside the two second T-grooves (18), and springs (20) are fixedly connected to one side of the two push plates (19), and the ends of the two springs (20) away from the push plates (19) are respectively connected to the corresponding second T-grooves (18). The inner wall is fixedly connected, an L-shaped guide rod (7) is provided inside the two second T-grooves (18), and the bottoms of the inner walls of the two L-shaped guide rods (7) are fixedly connected with a stop block (8), and the surfaces of the two stop blocks (8) are respectively pressed against the bottoms of the corresponding push plates (19), and the insides of the two exhaust ports (3) are each provided with a first T-groove (13), and the insides of the two first T-grooves (13) are each slidably connected with a baffle plate (14), and one side of the two baffle plates (14) is respectively fixedly connected to one end of the L-shaped guide rod (7) away from the float (9).

2. The automatic exhaust valve device for a water pump according to claim 1, characterized in that: A through groove (22) is provided inside the floating ball (9), and a plurality of notches (5) are provided on both sides of the rod wall of the sliding rod (4). Rollers (6) are rotatably connected inside the plurality of notches (5), and the plurality of rollers (6) are slidably connected to the inner wall of the through groove (22).

3. The automatic exhaust valve device for a water pump according to claim 1, characterized in that: The surface of the sliding rod (4) is provided with a thread (21), and the thread (21) is threadedly connected to the upper wall of the exhaust valve body (1).

4. The automatic exhaust valve device for a water pump according to claim 3, characterized in that: The bottom of the sliding rod (4) is threadedly connected with a circular plate (11), and the area of ​​the circular plate (11) is larger than the area of ​​the transverse section of the through groove (22).

5. The automatic exhaust valve device for a water pump according to claim 1, characterized in that: Exhaust ports (3) are provided on both sides of the exhaust valve body (1), and filters (12) are fixedly connected inside the two exhaust ports (3).

6. The automatic exhaust valve device for a water pump according to claim 1, characterized in that: Limiting grooves (15) are provided on both sides of the inner wall of the exhaust valve body (1); a sealing ring (16) is fixedly connected to the inside of the exhaust valve body (1); the size of the sealing ring (16) is adapted to the top surface of the float (9); a connecting piece (2) is threadedly connected to the bottom of the exhaust valve body (1); a plurality of turbulence plates (17) are fixedly connected to the bottom surface of the inner wall of the connecting piece (2); and the plurality of turbulence plates (17) are arranged in a relatively staggered manner.

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