Low-noise screw-type water cooler

By adopting a combined structure of down-pressure rod, shock absorbing spring and air pressure buffer in a screw chiller, the problem of vibration and noise generated by the chiller during operation is solved, and a low-noise chiller design is realized.

CN222687206UActive Publication Date: 2025-03-28何小丽
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Patent Information

Application Number
CN202421594672.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-03-28
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

Existing screw chillers will produce vibration and noise during operation, especially during installation, which can easily cause collisions and noise, affecting the working environment of nearby staff.

Method used

A low-noise screw chiller is designed, which adopts a combined structure of down-pressure rod and shock-absorbing spring for elastic buffering, and reduces noise and vibration through internal shock-absorbing damping and air pressure buffering mechanisms.

Benefits of technology

Through the design of this structure, the vibration and noise of the mounting plate can be effectively reduced, the low noise performance of the chiller can be improved, and the impact on staff can be reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low noise screw type water chiller, including mounting plate and shock absorption bottom plate, the top end of mounting plate is fixedly connected with water chiller main part, the four corners of bottom end of mounting plate are all fixedly connected with down-pressing rod, the outside of down-pressing rod is sleeved with fixed sleeve, and the fixed sleeve is connected with the shock absorption bottom plate. A damping spring is fixedly connected to the bottom end of the interior of the fixing sleeve, the top end of the damping spring is fixedly connected with the lower pressing rod, a damping bottom plate is fixedly connected to the bottom end of the fixing sleeve, two sets of buffering sleeves are arranged on the two sides of the damping bottom plate correspondingly, and piston rods stretch out and draw back in the buffering sleeves; and one end of the piston rod is fixedly connected with a fixed shaft, the outer portion of the fixed shaft is rotationally matched with a rotating rod, and rotating shafts are fixedly connected to the two sides of the middle of the mounting plate. And the piston rod, the buffer spring, the air bag and the buffer sleeve are arranged, and the air pressure buffer effect can be achieved through buffering of the piston rod and the buffer sleeve.
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Description

Technical Field

[0001] The utility model relates to the technical field of low-noise screw-type water chillers, in particular to a low-noise screw-type water chiller. Background Art

[0002] In the refrigeration industry, there are two types of chillers: air-cooled chillers and water-cooled chillers. According to the compressor, they are divided into screw chillers, vortex chillers, and centrifugal chillers. In terms of temperature control, they are divided into low-temperature industrial chillers and normal-temperature chillers. The temperature of normal-temperature chillers is generally controlled within the range of 0 degrees to 35 degrees. The temperature of low-temperature chillers is generally controlled at around 0 degrees to -100 degrees.

[0003] The screw chiller in the prior art will generate vibration when working. When the mounting frame contacts the ground during the installation process, it is very easy to cause collision and noise. However, the traditional method is not convenient for low-noise operation, which affects nearby workers and cannot achieve low-noise function, which is inconvenient. Utility Model Content

[0004] The purpose of the utility model is to provide a low-noise screw-type water chiller, in which the downward pressure rod is pressed down to elastically buffer the shock-absorbing spring, and cooperates with the internal shock-absorbing damping to play a shock-absorbing and buffering role. At the same time, the rotating shaft and the rotating rod rotate and cooperate during the downward pressure of the mounting plate, which can promote the rotation of the fixed shaft, and the buffering of the piston rod at one end of the fixed shaft and the buffer sleeve can play a buffering role of air pressure.

[0005] To achieve the above-mentioned purpose, a low-noise screw chiller is provided, comprising: a mounting plate and a shock-absorbing base plate, the top of the mounting plate is fixedly connected to the chiller body, the four corners of the bottom end of the mounting plate are fixedly connected to a downward pressure rod, the outer sleeve of the downward pressure rod is provided with a fixed sleeve, the inner bottom end of the fixed sleeve is fixedly connected to a shock-absorbing spring, the top of the shock-absorbing spring is fixedly connected to the downward pressure rod, the bottom end of the fixed sleeve is fixedly connected to the shock-absorbing base plate, two groups of buffer sleeves are arranged on both sides of the shock-absorbing base plate, the buffer sleeve is fixedly connected to the mounting plate, a piston rod is telescopically arranged inside the buffer sleeve, one end of the piston rod is fixedly connected to a fixed shaft, the outer side of the fixed shaft is rotatably matched with a rotating rod, both sides of the middle part of the mounting plate are fixedly connected with rotating shafts, and the rotating shaft and the rotating rod are rotatably matched.

[0006] According to the low-noise screw chiller, one end of the piston rod is fixedly connected to a sealing ring, and the top of one end of the buffer sleeve is fixedly connected to an air pipe.

[0007] According to the low-noise screw chiller, the top end of the air pipe is fixedly connected to an air bag, the top end of the air bag is fixedly connected to a limiting frame, and the limiting frame and the buffer sleeve are fixedly connected.

[0008] According to the low-noise screw chiller, the interior of the shock-absorbing spring is equipped with a shock-absorbing damper.

[0009] According to the low-noise screw chiller, a rubber pad is fixedly connected to the bottom end of the shock-absorbing base plate.

[0010] According to the low-noise screw chiller, a slider is fixedly connected to the bottom end of the fixed shaft, and sliding grooves are provided on both sides of the middle of the shock-absorbing bottom plate, and the sliding grooves and the slider are slidably matched.

[0011] According to the low-noise screw chiller, mounting grooves are provided on both sides above the mounting plate, and the mounting grooves are fixedly connected to the chiller body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a downward pressure plate, a shock-absorbing spring, a piston rod, a rotating rod and a buffer sleeve. During the working process, the mounting plate is subjected to downward pressure vibration. The downward pressure rod is pressed down to elastically buffer the shock-absorbing spring, and cooperates with the internal shock-absorbing damping to play a shock-absorbing and buffering role. At the same time, during the downward pressure process of the mounting plate, the rotating shaft and the rotating rod rotate and cooperate to promote the rotation of the fixed shaft, and the buffering of the piston rod at one end of the fixed shaft and the buffer sleeve can play a buffering role of air pressure. Through this structure, the mounting plate can play a buffering role, thereby reducing the noise problem caused by collision.

[0014] 2. The utility model is provided with a piston rod, a buffer spring, an air bag and a buffer sleeve. The buffering of the piston rod and the buffer sleeve can play a role in buffering the air pressure. When the air pressure is pushed, the gas is recovered inside the air bag. When the mounting plate is reset, the gas flows back to the inside of the buffer sleeve again, so as to complete the air pressure buffering operation again.

[0015] 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

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a front view of a low-noise screw chiller of the utility model;

[0018] Figure 2 For this utility model Figure 1 A in the enlarged view;

[0019] Figure 3 This is a three-dimensional diagram of the buffer sleeve structure of a low-noise screw chiller of the utility model;

[0020] Figure 4 This is an enlarged view of the mounting plate and shock-absorbing bottom plate structure of a low-noise screw chiller of the utility model.

[0021] In the figure: 1. Mounting plate; 2. Shock-absorbing base plate; 3. Rotating rod; 4. Chiller body; 5. Rubber pad; 6. Shock-absorbing spring; 7. Fixed sleeve; 8. Down-pressure rod; 9. Air bag; 10. Buffer sleeve; 11. Piston rod; 12. Sealing ring; 13. Fixed shaft; 14. Mounting groove; 15. Rotating shaft; 16. Slider. 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] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] See also Figure 1-4The utility model provides a technical solution: a low-noise screw chiller, which includes: a mounting plate 1 and a shock-absorbing base plate 2, the top of the mounting plate 1 is fixedly connected with a chiller body 4, and the four corners of the bottom end of the mounting plate 1 are fixedly connected with a down-pressing rod 8. By installing and fixing the chiller body 4 with the internal mounting groove 14 of the mounting plate 1, the mounting plate 1 is then subjected to downward pressure vibration during operation, and the down-pressing rod 8 is pressed down to elastically buffer the shock-absorbing spring 6, and a fixing sleeve 7 is sleeved on the outside of the down-pressing rod 8. Through the cooperation of the fixing sleeve 7 and the shock-absorbing spring 6, it can play a role in shock absorption and vibration reduction and reset, and the internal bottom end of the fixed sleeve 7 is fixedly connected with a shock-absorbing spring 6, and the inside of the shock-absorbing spring 6 is equipped with a shock-absorbing damping, and the down-pressing rod 8 is pressed down to elastically buffer the shock-absorbing spring 6, and cooperates with the internal shock-absorbing damping to play a role in shock absorption and buffering, the top of the shock-absorbing spring 6 is fixedly connected to the down-pressing rod 8, and the bottom end of the fixing sleeve 7 is fixedly connected with the shock-absorbing base plate 2, and the bottom end of the shock-absorbing base plate 2 is fixed It is connected with a rubber pad 5. A rubber pad 5 is arranged at the bottom of the shock-absorbing base plate 2 to provide elastic buffering, which is not prone to bumps and noise problems. Two groups of buffer sleeves 10 are arranged on both sides of the shock-absorbing base plate 2. The buffer sleeve 10 is fixedly connected to the mounting plate 1. A piston rod 11 is retracted inside the buffer sleeve 10. One end of the piston rod 11 is fixedly connected to a fixed shaft 13. The bottom end of the fixed shaft 13 is fixedly connected to a slider 16. Slide grooves are provided on both sides of the middle part of the shock-absorbing base plate 2. Through the cooperation of the slide groove and the slider 16, stable movement inside the slide groove can be achieved. The slide groove and the slider 16 slide together. The external rotation of the fixed shaft 13 is cooperated with a rotating rod 3. During the downward pressing process of the mounting plate 1, the rotating shaft 15 and the rotating rod 3 rotate together, which can promote the rotation of the fixed shaft 13. The buffering of the piston rod 11 at one end of the fixed shaft 13 and the buffer sleeve 10 can play a role in air pressure buffering. The rotating shaft 15 is fixedly connected on both sides of the middle part of the mounting plate 1, and the rotating shaft 15 and the rotating rod 3 rotate together.

[0025] A sealing ring 12 is fixedly connected to one end of the piston rod 11, and the sealing ring 12 can push the gas to achieve air pressure buffering. An air pipe is fixedly connected to the top of one end of the buffer sleeve 10, and an air bag 9 is fixedly connected to the top of the air pipe. When the air pressure is pushed, the gas is recovered inside the air bag 9. When the mounting plate 1 is reset, the gas flows back to the inside of the buffer sleeve 10 again, so as to complete the air pressure buffering operation again. The top of the air bag 9 is fixedly connected to a limiting frame, and the limiting frame and the buffer sleeve 10 are fixedly connected. Installation grooves 14 are provided on both sides above the mounting plate 1, and the installation grooves 14 are fixedly connected to the chiller body 4.

[0026] Working principle: When in use, first fix the chiller body 4 to the internal mounting groove 14 of the mounting plate 1, and then the mounting plate 1 is subjected to downward pressure and vibration during operation. The downward pressure rod 8 is pressed down to elastically buffer the shock-absorbing spring 6, and cooperates with the internal shock-absorbing damping to play a shock-absorbing and buffering role. At the same time, during the downward pressure of the mounting plate 1, the rotating shaft 15 and the rotating rod 3 rotate and cooperate to promote the rotation of the fixed shaft 13, and the buffering of the piston rod 11 at one end of the fixed shaft 13 and the buffering of the buffer sleeve 10 can play a role in air pressure buffering. When the air pressure is pushed, the gas is recovered inside the airbag 9. When the mounting plate 1 is reset, the gas flows back to the inside of the buffer sleeve 10 again, so as to complete the air pressure buffering operation again. A rubber pad 5 is arranged at the bottom of the shock-absorbing base plate 2 to provide elastic buffering, which is not prone to bumps and noise problems.

[0027] 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. A low-noise screw chiller, comprising: The mounting plate (1) and the shock-absorbing base plate (2) are characterized in that the top of the mounting plate (1) is fixedly connected to the chiller body (4), the four corners of the bottom end of the mounting plate (1) are fixedly connected to the down-pressing rod (8), the outer sleeve of the down-pressing rod (8) is provided with a fixed sleeve (7), the inner bottom end of the fixed sleeve (7) is fixedly connected to the shock-absorbing spring (6), the top of the shock-absorbing spring (6) is fixedly connected to the down-pressing rod (8), and the bottom end of the fixed sleeve (7) is fixedly connected to the shock-absorbing base plate (2 ), two groups of buffer sleeves (10) are provided on both sides of the shock-absorbing base plate (2), the buffer sleeves (10) and the mounting plate (1) are fixedly connected, a piston rod (11) is telescopically arranged inside the buffer sleeve (10), one end of the piston rod (11) is fixedly connected to a fixed shaft (13), the fixed shaft (13) is rotatably matched with a rotating rod (3) on the outside, and a rotating shaft (15) is fixedly connected to both sides of the middle of the mounting plate (1), and the rotating shaft (15) and the rotating rod (3) are rotatably matched.

2. A low-noise screw chiller according to claim 1, characterized in that: One end of the piston rod (11) is fixedly connected to a sealing ring (12), and the top of one end of the buffer sleeve (10) is fixedly connected to an air pipe.

3. A low noise screw chiller as claimed in claim 2, characterized in that: The top end of the trachea is fixedly connected to an air bag (9), the top end of the air bag (9) is fixedly connected to a limiting frame, and the limiting frame and the buffer sleeve (10) are fixedly connected.

4. A low noise screw chiller according to claim 1, characterized in that: The interior of the shock absorbing spring (6) is equipped with a shock absorbing damper.

5. A low noise screw chiller according to claim 1, characterized in that: A rubber pad (5) is fixedly connected to the bottom end of the shock-absorbing bottom plate (2).

6. A low noise screw chiller according to claim 1, characterized in that: The bottom end of the fixed shaft (13) is fixedly connected to a sliding block (16), and sliding grooves are provided on both sides of the middle of the shock-absorbing bottom plate (2), and the sliding grooves and the sliding block (16) are slidably matched.

7. A low-noise screw chiller according to claim 1, characterized in that: Mounting grooves (14) are provided on both sides of the upper side of the mounting plate (1), and the mounting grooves (14) are fixedly connected to the chiller body (4).