Vibration isolation device for horizontal water pump of central air conditioner

Abstract

The utility model discloses a vibration isolation device for a horizontal water pump of a central air conditioner, which comprises a first buffer plate and a second buffer plate, a plurality of first mounting plates are arranged on the upper surface of the first buffer plate and the lower surface of the second buffer plate, and a vibration isolation device is arranged between two connected first mounting plates. The vibration isolation device is composed of a sleeve, a first damping spring, a limiting plate and a movable rod, the upper end of the movable rod is fixedly connected with the portion, on the lower surface of the second buffer plate, of the side wall of the first mounting plate, two fixing frames are fixedly connected to the upper end of the first buffer plate, and threaded rods are rotationally connected to the side walls of the two fixing frames; the outer portions of the two threaded rods are both in threaded connection with threaded blocks, the two sides of the two threaded blocks are both fixedly connected with movable frames, and the lower ends of the movable frames are fixedly connected with supporting plates. By means of the structure, the damping effect can be achieved when the water pump vibrates during working, and the damping wheels can be replaced conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of central air conditioners, in particular to a vibration isolation device for a horizontal water pump of a central air conditioner. Background Art

[0002] A horizontal water pump is a chilled water circulation system, generally used in large refrigeration equipment such as central air conditioners. It is a machine that transports liquids or pressurizes liquids. It transfers the mechanical energy of the prime mover or other external energy to the liquid to increase the energy of the liquid. When the horizontal water pump is in operation, the motor will vibrate, and the high-speed operation inside the pump body will also vibrate. Under the effect of resonance, the water pump itself will generate noise, which will damage the parts on the water pump, shorten the life of the water pump, and even cause harm to people.

[0003] The existing technology uses a shock-absorbing pad to reduce the vibration of the horizontal water pump by laying it on the ground below the horizontal water pump, and uses bolts to lock the horizontal water pump and the shock-absorbing pad to the ground. The vibration of the horizontal water pump is reduced by the shock-absorbing pad alone, and the vibration reduction effect is limited. Utility Model Content

[0004] The utility model aims to provide a vibration isolation device for a horizontal water pump of a central air conditioner. The existing technology adopts the method of laying a shock-absorbing pad on the ground below the horizontal water pump to reduce the vibration of the horizontal water pump, and locking the horizontal water pump and the shock-absorbing pad on the ground with bolts. The vibration of the horizontal water pump is reduced by the shock-absorbing pad alone, and the vibration reduction effect is limited.

[0005] To achieve the above object, a vibration isolation device for a central air-conditioning horizontal water pump is provided, comprising: a first buffer plate and a second buffer plate, a plurality of first mounting plates are arranged on the upper surface of the first buffer plate and the lower surface of the second buffer plate, a vibration isolation device is arranged between two connected first mounting plates, the vibration isolation device is composed of a sleeve, a first shock absorbing spring, a limit plate and a movable rod, the upper end of the movable rod is fixedly connected to the side wall of the first mounting plate on the lower surface of the second buffer plate;

[0006] The upper end of the first buffer plate is fixedly connected to two fixing frames, the side walls of the two fixing frames are rotatably connected to threaded rods, the outer sides of the two threaded rods are threadedly connected to threaded blocks, both sides of the two threaded blocks are fixedly connected to movable frames, and the lower end of the movable frame is fixedly connected to a support plate.

[0007] According to the vibration isolation device of a central air-conditioning horizontal water pump, the first shock-absorbing spring is installed inside the sleeve, the upper end of the first shock-absorbing spring is fixedly connected to the lower end of the limiting plate, the inner wall of the sleeve is provided with two limiting grooves, and the two ends of the limiting plate are slidably connected to the inside of the limiting grooves.

[0008] According to the vibration isolation device of a central air-conditioning horizontal water pump, rockers are provided on the upper surfaces of the two fixing frames, the side walls of the rockers are fixedly connected to the upper ends of the threaded rods, a second mounting plate is provided on the upper end of the second buffer plate, and a water pump body is installed on the upper end of the second mounting plate.

[0009] According to the vibration isolation device for a central air-conditioning horizontal water pump, the four corners of the lower end of the first buffer plate are fixedly connected with fixing rods, the lower ends of multiple fixing rods are each provided with a third mounting plate, and the lower ends of multiple third mounting plates are each provided with a shock-absorbing wheel.

[0010] According to the vibration isolation device of a central air-conditioning horizontal water pump, the shock-absorbing wheel is composed of a casing, a U-shaped frame and a roller, two mounting rods are fixedly connected to the top of the casing, the lower ends of the mounting rods extend to the outside through the side walls of the U-shaped frame, and nuts are threadedly connected to the outside of the mounting rods.

[0011] According to the vibration isolation device for a central air-conditioning horizontal water pump, a second shock-absorbing spring is arranged outside the mounting rod, a roller is installed at the lower end of the U-shaped frame, and third bolts are arranged at four corners of the third mounting plate.

[0012] According to the vibration isolation device for a central air-conditioning horizontal water pump, the second mounting plate and the four corners of the first mounting plates are all provided with second bolts and first bolts.

[0013] The above scheme has the beneficial effects: the utility model utilizes multiple movable rods to cooperate with the limit plate, and utilizes the first shock-absorbing spring to cooperate with the limit plate, and the limit plate slides inside the limit groove, so that the water pump can have a separation effect when working, which can improve the service life of the water pump, and the threaded rod and the threaded block are used to adjust the height of the support plate, so as to facilitate the shock-absorbing wheel to be away from the ground, thereby facilitating the replacement of the shock-absorbing wheel.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional diagram of a vibration isolation device for a horizontal water pump of a central air conditioner according to the utility model;

[0017] Figure 2 It is a cross-sectional view of a vibration isolation device for a horizontal water pump of a central air conditioner according to the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 For this utility model Figure 2 Enlarged view of point B in the middle.

[0020] Legend:

[0021] 1. First buffer plate; 2. Second buffer plate; 3. Water pump body; 4. Fixed frame; 5. Sleeve; 6. First mounting plate; 7. First bolt; 8. Movable frame; 9. Threaded rod; 10. Threaded block; 11. Rocker; 12. Second mounting plate; 13. Second bolt; 14. Movable rod; 15. Limiting groove; 16. Limiting plate; 17. First shock-absorbing spring; 18. Third mounting plate; 19. Third bolt; 20. Second shock-absorbing spring; 21. Mounting rod; 22. Sleeve; 23. U-shaped frame; 24. Roller; 25. Nut; 26. Support plate. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 The utility model embodiment is a vibration isolation device for a central air-conditioning horizontal water pump, which includes: a first buffer plate 1 and a second buffer plate 2, a plurality of first mounting plates 6 are arranged on the upper surface of the first buffer plate 1 and the lower surface of the second buffer plate 2, and a vibration isolation device is arranged between the two connected first mounting plates 6, so that the water pump body 3 has a shock-absorbing effect when working, thereby improving the service life of the water pump, and the vibration isolation device is composed of a sleeve 5, a first shock-absorbing spring 17, a limit plate 16 and a movable rod 14, and the upper end of the movable rod 14 is fixedly connected to the side wall of the first mounting plate 6 on the lower surface of the second buffer plate 2;

[0024] Two fixing frames 4 are fixedly connected to the upper end of the first buffer plate 1, and the side walls of the two fixing frames 4 are rotatably connected with threaded rods 9. The outer sides of the two threaded rods 9 are threadedly connected with threaded blocks 10, and both sides of the two threaded blocks 10 are fixedly connected with movable frames 8. The movable frame 8 is movable under the drive of the threaded blocks 10, and the position of the support plate 26 can be adjusted to facilitate the lifting of the shock-absorbing wheel and the replacement of the shock-absorbing wheel. The lower end of the movable frame 8 is fixedly connected with the support plate 26.

[0025] The first shock-absorbing spring 17 is installed inside the sleeve 5, and the upper end of the first shock-absorbing spring 17 is fixedly connected to the lower end of the limit plate 16, which can achieve the effect of shock absorption. Two limit grooves 15 are arranged on the inner wall of the sleeve 5, and the two ends of the limit plate 16 are slidably connected to the inside of the limit groove 15. The upper surfaces of the two fixing frames 4 are provided with rocking arms 11, and the side walls of the rocking arms 11 are fixedly connected to the upper ends of the threaded rods 9. The upper end of the second buffer plate 2 is provided with a second mounting plate 12, and the upper end of the second mounting plate 12 is provided with a water pump body 3. The four corners of the lower end of the first buffer plate 1 are fixedly connected with fixing rods, and the lower ends of multiple fixing rods are provided with third mounting plates 18, and the lower ends of multiple third mounting plates 18 are provided with shock-absorbing wheels, so that the device can move freely. The shock absorbing process has the effect of shock absorption. The shock-absorbing wheel is composed of a casing 22, a U-shaped frame 23 and a roller 24. Two mounting rods 21 are fixedly connected to the top of the casing 22. The U-shaped frame 23 can squeeze the second shock-absorbing spring 20, and the elasticity of the second shock-absorbing spring 20 is used to achieve the effect of shock absorption. The lower end of the mounting rod 21 extends to the outside through the side wall of the U-shaped frame 23. The external thread of the mounting rod 21 is connected with a nut 25. The second shock-absorbing spring 20 is arranged on the outside of the mounting rod 21. The lower end of the U-shaped frame 23 is installed with a roller 24. The fourth corners of the third mounting plate 18 are provided with third bolts 19, and the fourth corners of the second mounting plate 12 and multiple first mounting plates 6 are provided with second bolts 13 and first bolts 7.

[0026] Working principle: When in use, multiple first mounting plates 6 are used to cooperate and the vibration isolation device is installed between the first buffer plate 1 and the second buffer plate 2. The movable rod 14 is used to cooperate with the first shock-absorbing spring 17, and the limit plate 16 slides inside the limit groove 15, which can achieve the shock-absorbing effect. The U-shaped frame 23, the sleeve 22, the mounting rod 21, the nut 25 and the second shock-absorbing spring 20 are used to cooperate, so that the device can achieve the shock-absorbing effect during the movement. The rocker 11 is used to drive the threaded rod 9 to rotate, and with the cooperation of the movable frame 8, the movable frame 8 pushes the support plate 26 to move, thereby moving the shock-absorbing wheel away from the ground, making it convenient to replace the shock-absorbing wheel.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A vibration isolation device for a central air-conditioning horizontal water pump, comprising: A first buffer plate (1) and a second buffer plate (2), characterized in that a plurality of first mounting plates (6) are provided on the upper surface of the first buffer plate (1) and the lower surface of the second buffer plate (2), and a vibration isolation device is provided between two connected first mounting plates (6), the vibration isolation device is composed of a sleeve (5), a first shock absorbing spring (17), a limit plate (16) and a movable rod (14), and the upper end of the movable rod (14) is fixedly connected to the side wall of the first mounting plate (6) on the lower surface of the second buffer plate (2); The upper end of the first buffer plate (1) is fixedly connected to two fixing frames (4), the side walls of the two fixing frames (4) are rotatably connected to threaded rods (9), the exteriors of the two threaded rods (9) are threadedly connected to threaded blocks (10), both sides of the two threaded blocks (10) are fixedly connected to movable frames (8), and the lower end of the movable frame (8) is fixedly connected to a support plate (26).

2. A vibration isolation device for a central air-conditioning horizontal water pump according to claim 1, characterized in that: The first damping spring (17) is installed inside the sleeve (5); the upper end of the first damping spring (17) is fixedly connected to the lower end of the limiting plate (16); the inner wall of the sleeve (5) is provided with two limiting grooves (15); the two ends of the limiting plate (16) are slidably connected to the inside of the limiting grooves (15).

3. The vibration isolation device for a central air-conditioning horizontal water pump according to claim 1, characterized in that: A rocker (11) is provided on the upper surface of the two fixing frames (4), the side wall of the rocker (11) is fixedly connected to the upper end of the threaded rod (9), a second mounting plate (12) is provided on the upper end of the second buffer plate (2), and a water pump body (3) is mounted on the upper end of the second mounting plate (12).

4. A vibration isolation device for a central air-conditioning horizontal water pump according to claim 1, characterized in that: The four corners of the lower end of the first buffer plate (1) are fixedly connected to fixing rods, the lower ends of the plurality of fixing rods are each provided with a third mounting plate (18), and the lower ends of the plurality of third mounting plates (18) are each provided with a shock absorbing wheel.

5. A vibration isolation device for a central air-conditioning horizontal water pump according to claim 4, characterized in that: The shock-absorbing wheel is composed of a casing (22), a U-shaped frame (23) and a roller (24); two mounting rods (21) are fixedly connected to the top of the casing (22); the lower ends of the mounting rods (21) pass through the side walls of the U-shaped frame (23) and extend to the outside; and nuts (25) are threadedly connected to the outside of the mounting rods (21).

6. A vibration isolation device for a central air-conditioning horizontal water pump according to claim 5, characterized in that: A second shock absorbing spring (20) is arranged outside the mounting rod (21), a roller (24) is installed at the lower end of the U-shaped frame (23), and third bolts (19) are arranged at the four corners of the third mounting plate (18).

7. A vibration isolation device for a central air-conditioning horizontal water pump according to claim 3, characterized in that: The second mounting plate (12) and the first mounting plates (6) are each provided with a second bolt (13) and a first bolt (7) at four corners.

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