Efficient air-cooled screw type water chilling unit

The design of the transmission mechanism and the limiting mechanism solves the problem of inconvenient cleaning of the dust cover of the fan in air-cooled screw chiller units, and realizes efficient and convenient cleaning operation.

CN224162762UActive Publication Date: 2026-04-24GUANGZHOU GAOGUAN REFRIGERATION EQUIPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU GAOGUAN REFRIGERATION EQUIPMENT CO LTD
Filing Date
2025-06-03
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

The dust covers of the fans in existing air-cooled screw chiller units are located high up, making cleaning difficult and requiring the use of climbing equipment or complicated tools, which is cumbersome and time-consuming.

Method used

A cleaning system including a transmission mechanism and a limiting mechanism was designed. Through the cooperation of gears and racks, the wedge block and vertical rod are moved to facilitate the cleaning of the fan dust cover and the horizontal plate position can be lowered to replace the brush plate.

Benefits of technology

It enables convenient cleaning of the fan dust cover, saving time and effort, simplifying the operation process, and improving cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient air-cooled screw type water chilling unit, which relates to the technical field of water chilling units and comprises a water chilling unit main body, a plurality of fan dust covers are sequentially arranged at the top of the water chilling unit main body from left to right, and a transverse plate is arranged above the water chilling unit main body. Brush plates are detachably mounted at the positions, corresponding to the fan dust covers, of the lower surface of the transverse plate, fixing plates are fixedly arranged on the two sides of the lower end of the water chilling unit body correspondingly, wedge-shaped grooves are formed in the upper surfaces of the fixing plates, wedge-shaped blocks are slidably arranged in the wedge-shaped grooves, vertical rods are arranged on the upper sides of the wedge-shaped blocks, and the upper sides of the vertical rods are provided with the fan dust covers. The upper end of the vertical rod is fixedly connected with the transverse plate, side plates are fixedly arranged on the two sides of the upper surface of the wedge-shaped block, and a connecting rod is rotationally arranged between the two side plates. The cleaning device can clean the fan dust cover at a high position, guarantees the air cooling effect, and is convenient to operate, time-saving and labor-saving.
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Description

Technical Field

[0001] This utility model relates to the field of chiller technology, specifically to a high-efficiency air-cooled screw chiller. Background Technology

[0002] Air-cooled screw chillers are widely used in many fields such as industrial refrigeration and air conditioning systems. During their operation, the fan, as a key component of the air-cooled system, plays a crucial role in ensuring heat dissipation. The fan is usually equipped with a dust cover to prevent dust and other impurities from entering the unit and affecting the equipment performance. However, existing air-cooled screw chillers have a significant problem: when the fan dust cover is located high up, it is extremely inconvenient to clean. Traditional cleaning methods often require climbing equipment or complex tools, which is not only cumbersome but also consumes a lot of time and manpower. Utility Model Content

[0003] In view of the problems existing in the above-mentioned high-efficiency air-cooled screw chiller units, this utility model is proposed.

[0004] Therefore, the purpose of this utility model is to provide a high-efficiency air-cooled screw chiller unit, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-efficiency air-cooled screw chiller unit includes a chiller unit body. Multiple fan dust covers are sequentially arranged from left to right on the top of the chiller unit body. A horizontal plate is arranged above the chiller unit body. Brush plates are detachably installed on the lower surface of the horizontal plate at positions corresponding to the multiple fan dust covers. Fixed plates are fixedly arranged on both sides of the lower end of the chiller unit body. A wedge-shaped groove is formed on the upper surface of the fixed plate. A wedge-shaped block is slidably arranged inside the wedge-shaped groove. A vertical rod is arranged on the upper side of the wedge-shaped block. The upper end of the vertical rod is fixedly connected to the horizontal plate. Side plates are fixedly arranged on both sides of the upper surface of the wedge-shaped block. A connecting rod is rotatably arranged between two of the side plates. The lower end of the vertical rod is fixedly sleeved with the connecting rod. A first limiting mechanism restricting the rotation of the connecting rod is arranged on the outer side of one of the side plates. A transmission mechanism for moving the wedge-shaped block is arranged on the side wall of the chiller unit body, below one of the fixed plates.

[0007] Preferably, the transmission mechanism includes a gear and a rack. A transmission rod is rotatably mounted on the side wall of the chiller unit body and below the fixed plate on one side. The gear is fixedly sleeved on the rod wall. A strip-shaped opening is provided on the lower surface of the fixed plate. The rack is located inside the strip-shaped opening. The upper side of the rack is fixedly connected to a corresponding wedge block. The rack meshes with the gear. A second limiting mechanism is provided at one end of the transmission rod to restrict the rotation of the transmission rod.

[0008] Preferably, the first limiting mechanism includes a limiting ring and a first threaded rod. The limiting ring is fixedly sleeved on one end of the connecting rod. An mounting plate is provided on the upper side of the limiting ring. One side of the mounting plate is fixedly connected to a corresponding side plate. The first threaded rod is threadedly sleeved inside the mounting plate. A first threaded hole is opened on the upper side of the limiting ring. One end of the first threaded rod is threadedly connected to the first threaded hole.

[0009] Preferably, the second limiting mechanism includes a second threaded rod, a fixed rod is fixedly connected to the side of the transmission rod away from the main body of the chiller unit, a handle is fixedly provided at the end of the fixed rod away from the transmission rod, the second threaded rod is threadedly sleeved inside the handle, a second threaded hole is provided on the side wall of one side of the fixed plate, and one end of the second threaded rod is threadedly connected to the second threaded hole.

[0010] Preferably, a first rotating wheel is fixedly sleeved on the upper end of the first threaded rod.

[0011] Preferably, a second rotating wheel is fixedly sleeved at the end of the second threaded rod away from the fixed plate.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows:

[0013] 1. This utility model, by rotating the second threaded rod, separates the second threaded rod from the fixed plate, and then rotates the transmission rod, causing the gear to drive the rack to move, thus causing the wedge block to move, which in turn causes the vertical rod to drive the horizontal plate to move, thereby driving multiple brush plates to move, thus enabling brushing and cleaning of the high-mounted fan dust cover. It is convenient to operate and saves time and effort.

[0014] 2. In this utility model, by rotating the first threaded rod, the first threaded rod is separated from the limiting ring, which releases the limiting of the connecting rod. Then, the vertical rod can be rotated around the connecting rod as an axis, which can lower the horizontal plate to a lower position, making it convenient to replace the brush plate. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0016] Figure 1 This is a schematic diagram of the structure of a high-efficiency air-cooled screw chiller unit proposed in this utility model;

[0017] Figure 2 for Figure 1 Enlarged structural diagram of part A in the middle section;

[0018] Figure 3 for Figure 1 A three-dimensional view of the central fixed plate.

[0019] Explanation of reference numerals in the attached figures:

[0020] 1. Chiller unit body; 2. Fan dust cover; 3. Horizontal plate; 4. Brush plate; 5. Vertical rod; 6. Wedge block; 7. Fixing plate; 8. Rack; 9. Transmission rod; 10. Gear; 11. Fixing rod; 12. Handle; 13. Second threaded rod; 14. Connecting rod; 15. Side plate; 16. Mounting plate; 17. First threaded rod; 18. Limiting ring. Detailed Implementation

[0021] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0022] This utility model discloses a high-efficiency air-cooled screw chiller unit.

[0023] Reference Figure 1-3 A high-efficiency air-cooled screw chiller unit includes a chiller unit body 1. Multiple fan dust covers 2 are arranged sequentially from left to right on the top of the chiller unit body 1. A horizontal plate 3 is arranged above the chiller unit body 1. Brush plates 4 can be detachably installed on the lower surface of the horizontal plate 3 and at positions corresponding to the multiple fan dust covers 2. Fixing plates 7 are fixedly arranged on both sides of the lower end of the chiller unit body 1. A wedge-shaped groove is opened on the upper surface of the fixing plate 7. A wedge block 6 is slidably arranged inside the wedge-shaped groove. A vertical rod 5 is arranged on the upper side of the wedge block 6. The upper end of the vertical rod 5 is fixedly connected to the horizontal plate 3. Side plates 15 are fixedly arranged on both sides of the upper surface of the wedge block 6. A connecting rod 14 is rotatably arranged between the two side plates 15. The lower end of the vertical rod 5 is fixedly sleeved with the connecting rod 14.

[0024] Reference Figure 1-3A transmission mechanism for moving a wedge block 6 is provided on the side wall of the chiller unit body 1 and below the fixed plate 7 on one side. The transmission mechanism includes a gear 10 and a rack 8. A transmission rod 9 is rotatably provided on the side wall of the chiller unit body 1 and below the fixed plate 7 on one side. The gear 10 is fixedly sleeved on the rod wall of the rotating rod. A strip-shaped opening is provided on the lower surface of the fixed plate 7. The rack 8 is located inside the strip-shaped opening. The upper side of the rack 8 is fixedly connected to the corresponding wedge block 6. The rack 8 is meshed with the gear 10.

[0025] Reference Figure 1-3 A first limiting mechanism for restricting the rotation of the connecting rod 14 is provided on the outer side of one side plate 15. The first limiting mechanism includes a limiting ring 18 and a first threaded rod 17. The limiting ring 18 is fixedly sleeved on one end of the connecting rod 14. A mounting plate 16 is provided on the upper side of the limiting ring 18. One side of the mounting plate 16 is fixedly connected to the corresponding side plate 15. The first threaded rod 17 is threadedly sleeved inside the mounting plate 16. A first threaded hole is opened on the upper side of the limiting ring 18. One end of the first threaded rod 17 is threadedly connected to the first threaded hole. A first rotating wheel is fixedly sleeved on the upper end of the first threaded rod 17 to facilitate the rotation of the first threaded rod 17.

[0026] Reference Figure 1-3 One end of the transmission rod 9 is provided with a second limiting mechanism to restrict the rotation of the transmission rod 9. The second limiting mechanism includes a second threaded rod 13. A fixed rod 11 is fixedly connected to the side of the transmission rod 9 away from the chiller unit body 1. A handle 12 is fixedly provided at the end of the fixed rod 11 away from the transmission rod 9. The second threaded rod 13 is threadedly sleeved inside the handle 12. A second threaded hole is opened on the side wall of one side of the fixed plate 7. One end of the second threaded rod 13 is threadedly connected to the second threaded hole. A second rotating wheel is fixedly sleeved at the end of the second threaded rod 13 away from the fixed plate 7 to facilitate the rotation of the second threaded rod 13.

[0027] In this invention, during use, rotating the second threaded rod 13 separates it from the fixed plate 7. Then, rotating the transmission rod 9 causes the gear 10 to move the rack 8, which in turn moves the wedge block 6. This causes the vertical rod 5 to move the horizontal plate 3, thereby moving multiple brush plates 4. This allows for brushing and cleaning of the high-mounted fan dust cover 2, making the operation convenient, time-saving, and labor-saving. Rotating the first threaded rod 17 separates it from the limiting ring 18, thereby releasing the limiting on the connecting rod 14. This allows the vertical rod 5 to rotate around the connecting rod 14 as an axis, lowering the horizontal plate 3 to a lower position for easy replacement of the brush plates 4.

[0028] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-efficiency air-cooled screw chiller unit, comprising a chiller unit body (1), characterized in that, The chiller unit body (1) has multiple fan dust covers (2) arranged sequentially from left to right on its top. A horizontal plate (3) is arranged above the chiller unit body (1). Brush plates (4) can be detachably installed on the lower surface of the horizontal plate (3) and at positions corresponding to the multiple fan dust covers (2). Fixing plates (7) are fixedly arranged on both sides of the lower end of the chiller unit body (1). A wedge-shaped groove is opened on the upper surface of the fixing plate (7). A wedge-shaped block (6) is slidably arranged inside the wedge-shaped groove. A vertical rod is arranged on the upper side of the wedge-shaped block (6). 5) The upper end of the vertical rod (5) is fixedly connected to the horizontal plate (3). Side plates (15) are fixedly provided on both sides of the upper surface of the wedge block (6). A connecting rod (14) is rotatably provided between the two side plates (15). The lower end of the vertical rod (5) is fixedly sleeved with the connecting rod (14). A first limiting mechanism for restricting the rotation of the connecting rod (14) is provided on the outer side of one side plate (15). A transmission mechanism for driving the wedge block (6) to move is provided on the side wall of the chiller unit body (1) and below the fixed plate (7) on one side.

2. The high-efficiency air-cooled screw chiller unit according to claim 1, characterized in that, The transmission mechanism includes a gear (10) and a rack (8). A transmission rod (9) is rotatably provided on the side wall of the chiller unit body (1) and below the fixed plate (7) on one side. The gear (10) is fixedly sleeved on the rod wall of the rotating rod. A strip-shaped opening is provided on the lower surface of the fixed plate (7). The rack (8) is located inside the strip-shaped opening. The upper side of the rack (8) is fixedly connected to the corresponding wedge block (6). The rack (8) is meshed with the gear (10). A second limiting mechanism is provided at one end of the transmission rod (9) to restrict the rotation of the transmission rod (9).

3. The high-efficiency air-cooled screw chiller unit according to claim 1, characterized in that, The first limiting mechanism includes a limiting ring (18) and a first threaded rod (17). The limiting ring (18) is fixedly sleeved on one end of the connecting rod (14). An mounting plate (16) is provided on the upper side of the limiting ring (18). One side of the mounting plate (16) is fixedly connected to the corresponding side plate (15). The first threaded rod (17) is threadedly sleeved inside the mounting plate (16). A first threaded hole is opened on the upper side of the limiting ring (18). One end of the first threaded rod (17) is threadedly connected to the first threaded hole.

4. The high-efficiency air-cooled screw chiller unit according to claim 2, characterized in that, The second limiting mechanism includes a second threaded rod (13). A fixed rod (11) is fixedly connected to the side of the transmission rod (9) away from the chiller unit body (1). A handle (12) is fixedly provided at the end of the fixed rod (11) away from the transmission rod (9). The second threaded rod (13) is threaded inside the handle (12). A second threaded hole is provided on the side wall of the fixed plate (7) on one side. One end of the second threaded rod (13) is threadedly connected to the second threaded hole.

5. The high-efficiency air-cooled screw chiller unit according to claim 3, characterized in that, The upper end of the first threaded rod (17) is fixedly sleeved with a first rotating wheel.

6. The high-efficiency air-cooled screw chiller unit according to claim 4, characterized in that, The second threaded rod (13) is fixedly sleeved at the end away from the fixed plate (7) with a second rotating wheel.