Damping device for expansion tank
By designing shock absorbing devices and automatic pressure relief systems in the expansion water tank, the vibration caused by changes in water flow and the inability to discharge pressure by themselves are solved, and the effect of reducing vibration and automatically adjusting internal pressure is achieved, which improves the stability and economy of the system sex.
Patent Information
- Application Number
- CN202323570070.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2033-12-27
AI Technical Summary
Expansion tanks may cause vibration when the water flow changes, causing noise and building structure fatigue, and unable to discharge pressure on their own, increasing system complexity and cost.
A shock absorbing device for expansion water tanks is designed, including the water tank box, damping spring, piston, outer casing and pressure relief port. The impact force is consumed through the damping spring, reduce vibration transmission, and adjust the internal pressure through automatic pressure relief.
It effectively reduces the impact of the expansion water tank on the building, extends the service life of the equipment, reduces the cost of repair and replacement, and reduces energy consumption and operating costs by automatically adjusting the internal pressure.
Smart Images
Figure CN222436927U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of expansion water tanks, in particular to a shock absorbing device for an expansion water tank. Background Art
[0002] An expansion water tank is a device used in piping systems, usually in water supply systems, heating systems, and air-conditioning systems. Its main function is to store and release volume changes of water in the system to alleviate pressure fluctuations caused by starting and stopping water pumps or changes in water temperature. Shock absorption is beneficial to protecting the safe and stable operation of piping systems and related equipment, and can reduce vibration and noise caused by water flow, and reduce fatigue damage and leakage risks of pipelines.
[0003] In the process of implementing this application, the inventor found that there are at least the following problems in this technology:
[0004] (1) When the water flow inside the expansion tank changes, the water's inertia and pressure changes may cause the expansion tank to vibrate. These vibrations will be transmitted to the expansion tank bracket and the building structure, thereby generating vibrations. The vibration of the expansion tank will generate noise, causing interference and discomfort to the surrounding environment and residents' lives. Frequent vibrations may have an impact on the structure of the building, especially in the case of long-term use, which may cause fatigue and damage to the building.
[0005] (2) The expansion water tank cannot relieve pressure by itself and needs to rely on external auxiliary equipment to perform pressure relief operations, which increases the complexity and cost of the system and requires additional equipment for control and operation. It also requires manual intervention and monitoring, and requires manual start or stop of the pressure relief equipment to maintain the normal operation of the system, which increases the workload and risk of manual maintenance. Utility Model Content
[0006] In view of the deficiencies in the prior art, the utility model provides a shock absorbing device for an expansion water tank, which has the advantages of being able to consume the vibration generated by the inside of the tank to the building and being able to automatically control the internal pressure of the expansion water tank, thereby solving the problems raised in the background technology.
[0007] The utility model provides the following technical solution: a shock absorbing device for an expansion water tank, comprising a water tank body, a load-bearing top plate being arranged at the bottom end of the water tank body, a shock absorbing cover plate being fixedly connected to the bottom end of the load-bearing top plate, an outer casing being fixedly connected to the bottom end of the shock absorbing cover plate, a sleeve rod being movably sleeved inside the outer casing, a piston being fixedly connected to the outer wall of the sleeve rod, a spring isolation plate being fixedly connected to the bottom end of the sleeve rod, a damping spring being fixedly connected to the top end of the spring isolation plate, the upper end of the damping spring being fixedly connected to the bottom end of the outer casing, and the bottom end of the spring isolation plate being fixedly connected to the load-bearing bottom plate.
[0008] Preferably, a pressure relief port is fixedly connected to the top of the water tank body, a plurality of slots are opened on the outer wall of the pressure relief port, and a movable cap is fitted on the outer wall of the slot, the bottom end of the movable cap is fixedly connected to a second socket column, the bottom end of the second socket column is socketed with a first socket column, and the bottom end of the first socket column is fixedly connected to a connecting plate.
[0009] Preferably, columns are fixedly connected to both sides of the outer wall of the load-bearing base plate, a slide groove is opened inside the column, a motor is sleeved inside the slide groove, a movable gear column is fixedly connected to the top of the motor, a cross support plate is fixedly connected to the top of the movable gear column, and a connecting plate is fixedly connected to the bottom end of the cross support plate.
[0010] Preferably, a plurality of meshing grooves are formed on the surface of the movable gear column, and gears are attached to the surfaces of the meshing grooves, and a motor is fixedly connected to the side surface of the gear.
[0011] Preferably, an extension block is fixedly connected to the side of the motor, and a column is fixedly connected to the bottom end of the extension block.
[0012] Preferably, a supporting leg is fixedly connected to the bottom end of the load-bearing base plate.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The shock absorbing device for the expansion water tank is used. When the water pump is turned on, water flows into the inside of the water tank body. When a large amount of water flows into the inside of the water tank body, a certain amount of water flow impact is generated on the water tank body. The water vibrates inside the water tank body. The stress generated by the impact is transmitted to the load-bearing top plate, and then to the shock absorbing cover plate. The shock absorbing cover plate drives the piston to transmit the impact force to the damping spring at the lower end. After the damping spring is impacted, the impact force is consumed by the elastic potential energy. At the same time, the outer casing slides on the surface of the sleeve rod when it moves downward, thereby squeezing the space between the shock absorbing cover plate and the piston, increasing the pressure in the internal space, and further Push the shock-absorbing cover plate upward to ensure the stability of the load-bearing top plate, so that the upper box body can reduce the pressure generated at the bottom of the support. The vibration generated by the building is often transmitted to the surrounding environment through the supporting structure of the water tank. The expansion water tank with a reasonable base design can absorb and disperse the vibration energy, reduce the vibration transmitted to the building, thereby protecting the building's structure and equipment. The vibration will cause impact and vibration to the pipes, valves and other equipment inside the water tank, which can easily lead to fatigue and damage to the equipment. The shock-absorbing design of the base can reduce the impact of vibration on the equipment, extend its service life, and reduce the cost of maintenance and replacement.
[0015] 2. The expansion water tank uses a shock absorbing device. When the internal pressure of the water tank body is high, it is squeezed toward the upper end through the pressure relief port, thereby pushing the movable sleeve cap to move to the upper end. At the same time, the sleeve column 2 fixedly connected at the lower end slides inside the sleeve column 1 to keep it stable. When the pressure is too high, the bottom end of the movable sleeve cap is higher than the slot holes on the surface of the pressure relief port to release air pressure to the outside. The greater the pressure, the more slot holes leak out, so that the air pressure can be balanced faster. When the pressure is low, it naturally falls back due to its own gravity, thereby maintaining a certain pressure inside. The internal pressure can be automatically adjusted according to system requirements to ensure that the pipeline system is always in a stable working state, so that the system can be kept within a suitable working range. By automatically controlling the internal pressure, the expansion water tank can reduce the frequent start and stop of the water pump, reduce energy consumption, and save operating costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model device;
[0017] Figure 2 This is a schematic diagram of the installation base structure of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the pressure relief mechanism of the utility model;
[0019] Figure 4 It is a schematic diagram of the fixing mechanism structure of the utility model.
[0020] In the figure: 1. water tank body; 2. support legs; 3. load-bearing bottom plate; 4. column; 5. extension block; 6. load-bearing top plate; 7. spring isolation plate; 8. damping spring; 9. sleeve rod; 10. outer casing; 11. piston; 12. shock-absorbing cover plate; 13. horizontal support plate; 14. movable gear column; 15. motor; 16. gear; 17. movable sleeve cap; 18. connecting plate; 19. pressure relief port; 20. sleeve column one; 21. sleeve column two. Implementation
[0021] 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.
[0022] See also Figure 1-4A shock absorbing device for an expansion water tank comprises a water tank body 1, a load-bearing top plate 6 is arranged at the bottom end of the water tank body 1, a shock absorbing cover plate 12 is fixedly connected to the bottom end of the load-bearing top plate 6, an outer casing 10 is fixedly connected to the bottom end of the shock absorbing cover plate 12, a sleeve rod 9 is movably sleeved inside the outer casing 10, a piston 11 is fixedly connected to the outer wall of the sleeve rod 9, a spring isolation plate 7 is fixedly connected to the bottom end of the sleeve rod 9, a damping spring 8 is fixedly connected to the top end of the spring isolation plate 7, an upper end of the damping spring 8 is fixedly connected to the bottom end of the outer casing 10, and a load-bearing bottom plate 3 is fixedly connected to the bottom end of the spring isolation plate 7. When the water pump is turned on, water flows into the interior of the water tank body 1, and a large amount of water flows into the water tank When the outer casing 10 is inside the water tank body 1, a certain water flow impact is generated on the water tank body 1, and the water vibrates inside the water tank body 1. The stress generated by the impact is transmitted to the load-bearing top plate 6, and then transmitted to the shock-absorbing cover plate 12. The shock-absorbing cover plate 12 drives the piston 11 to transmit the impact force to the damping spring 8 at the lower end. After the damping spring 8 is impacted, the impact force is consumed by the elastic potential energy. At the same time, the outer casing 10 slides on the surface of the sleeve rod 9 when moving downward, thereby squeezing the space between the shock-absorbing cover plate 12 and the piston 11, increasing the pressure in the internal space, and further pushing the shock-absorbing cover plate 12 upward to ensure the stability of the load-bearing top plate 6, so that the upper end box reduces the pressure generated at the bottom of the support.
[0023] Among them, the top of the water tank body 1 is fixedly connected with a pressure relief port 19, and a plurality of slots are opened on the outer wall of the pressure relief port 19, and a movable cap 17 is fitted on the outer wall of the slot, and the bottom end of the movable cap 17 is fixedly connected with a socket column 21, and the bottom end of the socket column 21 is socketed with a socket column 1 20, and the bottom end of the socket column 1 20 is fixedly connected with a connecting plate 18. When the internal pressure of the water tank body 1 is relatively large, it is squeezed toward the upper end through the pressure relief port 19, thereby pushing the movable cap 17 to move to the upper end, and at the same time, the socket column 21 fixedly connected at the lower end slides inside the socket column 1 20 to keep it stable. When the pressure is too large, the bottom end of the movable cap 17 is higher than the slots on the surface of the pressure relief port 19 to release air pressure to the outside. The greater the pressure, the more slots leak out, so that the air pressure can be balanced faster. When the pressure is relatively small, it naturally falls back due to its own gravity, thereby maintaining a certain pressure inside.
[0024] Among them, both sides of the outer wall of the load-bearing bottom plate 3 are fixedly connected with columns 4, the interior of the column 4 is provided with a slide groove, the interior of the slide groove is sleeved with a motor 15, the top of the motor 15 is fixedly connected with a movable gear column 14, the top of the movable gear column 14 is fixedly connected with a transverse support plate 13, the bottom end of the transverse support plate 13 is fixedly connected with a connecting plate 18, start the motor 15 to drive the gear 16 to rotate, the gear 16 is meshed with the movable gear column 14, and then the movable gear column 14 slides inside the column 4, adjust the height of the transverse support plate 13, make the connecting plate 18 at the lower end of the transverse support plate 13 fit the top of the water tank body 1 to fix the position of the water tank body 1, ensure that it can stably fix the position of the water tank body 1, and adapt to expansion tanks of different heights.
[0025] A plurality of meshing grooves are formed on the surface of the movable tooth column 14 , and a gear 16 is attached to the surface of the meshing groove, and a motor 15 is fixedly connected to the side surface of the gear 16 .
[0026] The side of the motor 15 is fixedly connected with an extension block 5 , and the bottom end of the extension block 5 is fixedly connected with a column 4 .
[0027] The bottom end of the load-bearing base plate 3 is fixedly connected with the supporting leg 2 .
[0028] Working principle: when in use, the staff first places the water tank body 1 on the upper end of the load-bearing top plate 6, starts the motor 15, and rotates the transmission gear 16. The gear 16 meshes with the movable gear column 14, and then the movable gear column 14 slides inside the column 4, and the height of the horizontal support plate 13 is adjusted so that the connecting plate 18 at the lower end of the horizontal support plate 13 fits the top of the water tank body 1 to fix the position of the water tank body 1. Then, the water pump is turned on and the water flows into the inside of the water tank body 1. When a large amount of water flows into the inside of the water tank body 1, a certain water flow impact is generated on the water tank body 1. The water vibrates inside the water tank body 1, and the stress generated by the impact is transmitted to the load-bearing top plate 6, and then transmitted to the shock-absorbing cover plate 12. The shock-absorbing cover plate 12 drives the piston 11 to transmit the impact force to the damping spring 8 at the lower end. After the damping spring 8 is impacted, it transmits the elastic potential energy This impact force is consumed. At the same time, the outer casing 10 slides on the surface of the sleeve rod 9 when moving downward, thereby squeezing the space between the shock-absorbing cover plate 12 and the piston 11, increasing the pressure in the internal space, and further pushing the shock-absorbing cover plate 12 upward to ensure the stability of the load-bearing top plate 6, thereby reducing the pressure generated at the bottom of the support on the upper end box body. When the internal pressure of the water tank box body 1 is relatively large, it is squeezed toward the upper end through the pressure relief port 19, thereby pushing the movable sleeve cap 17 to move to the upper end. At the same time, the sleeve column 21 fixedly connected at the lower end slides inside the sleeve column 1 20 to maintain its stability. When the pressure is too high, the bottom end of the movable sleeve cap 17 is higher than the slot on the surface of the pressure relief port 19 to release the air pressure to the outside. The greater the pressure, the more slots leak out, so that the air pressure can be balanced faster. When the pressure is relatively low, it naturally falls back by its own gravity, thereby maintaining a certain pressure inside it.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A shock absorbing device for an expansion water tank, characterized in that: The invention comprises a water tank body (1), wherein a load-bearing top plate (6) is arranged at the bottom end of the water tank body (1), a shock-absorbing cover plate (12) is fixedly connected to the bottom end of the load-bearing top plate (6), an outer casing (10) is fixedly connected to the bottom end of the shock-absorbing cover plate (12), a sleeve rod (9) is movably sleeved inside the outer casing (10), a piston (11) is fixedly connected to the outer wall of the sleeve rod (9), a spring isolation plate (7) is fixedly connected to the bottom end of the sleeve rod (9), a damping spring (8) is fixedly connected to the top end of the spring isolation plate (7), the upper end of the damping spring (8) is fixedly connected to the bottom end of the outer casing (10), and the bottom end of the spring isolation plate (7) is fixedly connected to the load-bearing bottom plate (3).
2. A shock absorbing device for an expansion water tank according to claim 1, characterized in that: The top of the water tank body (1) is fixedly connected to a pressure relief port (19), a plurality of slots are formed on the outer wall of the pressure relief port (19), and a movable sleeve cap (17) is fitted on the outer wall of the slot, the bottom end of the movable sleeve cap (17) is fixedly connected to a second sleeve column (21), the bottom end of the second sleeve column (21) is sleeved with a first sleeve column (20), and the bottom end of the first sleeve column (20) is fixedly connected to a connecting plate (18).
3. A shock absorbing device for an expansion water tank according to claim 1, characterized in that: Both sides of the outer wall of the load-bearing bottom plate (3) are fixedly connected to columns (4), a slide groove is provided inside the column (4), a motor (15) is sleeved inside the slide groove, a top end of the motor (15) is fixedly connected to a movable tooth column (14), a top end of the movable tooth column (14) is fixedly connected to a transverse support plate (13), and a bottom end of the transverse support plate (13) is fixedly connected to a connecting plate (18).
4. A shock absorbing device for an expansion water tank according to claim 3, characterized in that: A plurality of meshing grooves are formed on the surface of the movable tooth column (14), and a gear (16) is attached to the surface of the meshing groove. The side surface of the gear (16) is fixedly connected to a motor (15).
5. A shock absorbing device for an expansion water tank according to claim 4, characterized in that: An extension block (5) is fixedly connected to the side of the motor (15), and a column (4) is fixedly connected to the bottom end of the extension block (5).
6. A shock absorbing device for an expansion water tank according to claim 1, characterized in that: The bottom end of the load-bearing bottom plate (3) is fixedly connected to a supporting leg (2).