Adjusting mechanism for diffuser of compressor

By designing an adjustment mechanism on the compressor diffuser, using the motor drive system and gear plate transmission, flexible adjustment of the blade angle is achieved, which solves the problem of mismatch between the blade and the airflow angle, and improves the use effect and working efficiency of the compressor.

CN222823362UActive Publication Date: 2025-05-02SUZHOU RUNKAI MASCH CO LTD
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Patent Information

Application Number
CN202420795434.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-05-02
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The blades on the existing compressor diffuser cannot adjust their angle according to the needs, resulting in the mismatch between the blades and the airflow angle, affecting the use effect and working efficiency of the compressor.

Method used

A compressor diffuser adjustment mechanism is designed to adjust the blade angle by installing an adjustment shaft, transmission gear, bearing, gear plate and drive device on the diffuser body. The motor drive system transmits power through gears and gear plates, driving the adjustment shaft and blades to adjust the angle.

Benefits of technology

The flexible adjustment of blade angle is achieved, the problem of mismatch between the blade and the airflow angle is solved, the use effect and working efficiency of the compressor are improved, and the stability during blade adjustment is increased through the stabilization rod and auxiliary disc.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a compressor diffuser adjusting mechanism, and relates to the technical field of compressors, the compressor diffuser adjusting mechanism comprises a diffuser body, the diffuser body comprises a shell, uniformly distributed blades are installed on one side of the shell, an adjusting shaft is fixedly installed in one side of each blade, and the other side of each blade is fixedly provided with a rotating shaft. The surface, located in the mounting chamber, of the adjusting shaft is fixedly sleeved with a transmission gear, a bearing is fixedly sleeved with the middle in the mounting chamber, the surface of the bearing is fixedly sleeved with a fluted disc, the transmission gear is meshed with the fluted disc, and a driving device is mounted in the middle of the top face in the mounting chamber. The angles of the blades of the diffuser body can be adjusted according to requirements, and the problems that the angles of the blades on an existing compressor diffuser cannot be adjusted according to the requirements, so that the blades of the diffuser are not matched with the airflow angle, and the using effect and the working efficiency of a compressor are affected are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of compressors, in particular to a diffuser regulating mechanism for a compressor. Background Art

[0002] The compressor is a driven fluid machine that lifts low-pressure gas into high-pressure gas. It is the heart of the refrigeration system. It inhales low-temperature, low-pressure refrigerant gas from the intake pipe, compresses it by driving the piston through the motor, and then discharges high-temperature, high-pressure refrigerant gas to the exhaust pipe, providing power for the refrigeration cycle. The diffuser is one of the important components in the compressor. It is a device that converts kinetic energy into static pressure energy through the diffuser. The diffuser installed in the compressor also plays the role of collecting and drawing out gas.

[0003] However, when the existing compressor diffuser is in use, the blades installed on the surface of the diffuser are mostly fixed, and the angle of the blades on the surface of the diffuser cannot be adjusted. As a result, the blades on the existing compressor diffuser cannot be adjusted according to demand, resulting in the blades of the diffuser not matching the airflow angle, affecting the use effect and work efficiency of the compressor. Utility Model Content

[0004] In order to solve the problem that when the existing compressor diffuser is in use, the blades installed on the surface of the diffuser are mostly fixed and the angle of the blades on the surface of the diffuser cannot be adjusted, resulting in the blades on the existing compressor diffuser being unable to adjust the blade angle as required, causing the diffuser blades to not match the airflow angle, thereby affecting the use effect and work efficiency of the compressor; the purpose of the utility model is to provide a compressor diffuser adjustment mechanism.

[0005] To solve the above technical problems, the utility model adopts the following technical solutions: a compressor diffuser adjustment mechanism, comprising a diffuser body, the diffuser body comprising a shell, one side of the shell is equipped with evenly distributed blades, one side of the blades is fixedly equipped with an adjustment shaft, one end of the adjustment shaft passes through the shell, an installation chamber is opened in the shell, the surface fixing sleeve of the adjustment shaft located in the installation chamber is provided with a transmission gear, the middle fixing sleeve in the installation chamber is provided with a bearing, the surface fixing sleeve of the bearing is provided with a gear disk, the transmission gear is meshed with the gear disk, a driving device is installed in the middle of the top surface of the installation chamber, the driving device comprises a motor, a rotating shaft is fixedly installed at the output end of the motor, a driving gear is fixedly provided on the surface fixing sleeve of the rotating shaft, and the driving gear is meshed with a transmission gear.

[0006] Preferably, a stabilizing rod is fixedly mounted on one end of the blade away from the adjusting shaft, an auxiliary disk is fixedly mounted on the bottom end of the stabilizing rod, and the auxiliary disk is slidably mounted in the housing.

[0007] Preferably, one side of the shell is provided with evenly distributed positioning grooves, a sliding groove is provided in the positioning groove, the stabilizing rod slides in the positioning groove, and the auxiliary plate is slidably installed in the sliding groove.

[0008] Compared with the prior art, the beneficial effects of the present invention are:

[0009] 1. In the utility model, the blades of the diffuser body can adjust the angle of the blades according to the demand, which solves the problem that the blades on the existing compressor diffuser cannot adjust the blade angle according to the demand, resulting in the mismatch between the diffuser blades and the airflow angle, affecting the use effect and work efficiency of the compressor;

[0010] 2. In the present invention, when the angle of the blade is adjusted, with the assistance of the stabilizing rod and the auxiliary disk installed at one end of each blade, the stability of each blade during rotation adjustment is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a schematic diagram of the structure of the diffuser body of the utility model.

[0013] Figure 2 This is a cross-sectional view of the internal structure of the diffuser body of the utility model.

[0014] Figure 3 This is a schematic diagram of the internal structure of the housing of the utility model.

[0015] Figure 4 For this utility model Figure 3 A magnified view of the structure in the middle.

[0016] Figure 5 This is a structural cross-sectional view of one side of the housing of the utility model.

[0017] Figure 6 For this utility model Figure 5 Enlarged view of the structure at point B in the middle.

[0018] In the figure: 1. diffuser body; 2. shell; 21. mounting chamber; 22. shaft hole; 23. positioning groove; 24. slide groove; 3. blade; 31. adjustment shaft; 311. transmission gear; 312. first rotating member; 32. stabilizer bar; 33. auxiliary disk; 4. bearing; 41. gear disk; 5. driving device; 51. motor; 52. rotating shaft; 521. second rotating member; 53. driving gear. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Figure 1-6 As shown, the utility model provides a compressor diffuser adjustment mechanism, including a diffuser body 1, the diffuser body 1 includes a shell 2, one side of the shell 2 is installed with evenly distributed blades 3, one side of the blade 3 is fixedly installed with an adjustment shaft 31, one end of the adjustment shaft 31 passes through the shell 2, an installation chamber 21 is opened in the shell 2, the adjustment shaft 31 is located in the installation chamber 21, the surface of the installation chamber 21 is fixedly sleeved with a transmission gear 311, the middle of the installation chamber 21 is fixedly sleeved with a bearing 4, the surface of the bearing 4 is fixedly sleeved with a toothed disc 41, the transmission gear 311 is meshed with the toothed disc 41, a driving device 5 is installed in the middle of the top surface of the installation chamber 21, the driving device 5 includes a motor 51, the output end of the motor 51 is fixedly installed with a rotating shaft 52, the surface of the rotating shaft 52 is fixedly sleeved with a driving gear 53, and the driving gear 53 is meshed with a transmission gear 311;

[0021] The driving device 5 is limited and fixed by the shell 2. A circularly distributed blade 3 is installed on one side of the surface of the shell 2. The toothed disc 41 is installed in the installation chamber 21 through the bearing 4 for limiting. The toothed disc 41 is assisted by the bearing 4 to rotate. When the angle of the blade 3 needs to be adjusted, the switch of the motor 51 in the driving device 5 is turned on, and the rotating shaft 52 is controlled to rotate through the output end of the motor 51. When the rotating shaft 52 rotates, the driving gear 53 is driven to rotate. When the driving gear 53 rotates, the transmission gear 311 meshed with the driving gear 53 is driven to rotate. The toothed disc 41 is controlled to rotate by the transmission gear 311. When the toothed disc 41 rotates, other transmission gears 311 are controlled to drive the adjusting shaft 31 to rotate. At the same time, the angle of the blade 3 on the surface of the shell 2 is adjusted by the adjusting shaft 31. The blade 3 of the diffuser body 1 can adjust the angle of the blade 3 according to the demand, which solves the problem that the blade 3 on the existing compressor diffuser cannot adjust the angle of the blade 3 according to the demand, resulting in the blade 3 of the diffuser not matching the airflow angle, affecting the use effect and work efficiency of the compressor.

[0022] A stabilizing rod 32 is fixedly installed on the end portion of one side of the blade 3 away from the adjusting shaft 31, and an auxiliary disk 33 is fixedly installed on the bottom end of the stabilizing rod 32. The auxiliary disk 33 is slidably installed in the shell 2. A stabilizing rod 32 and an auxiliary disk 33 are fixedly installed on the end portion of one side of each blade 3. When the angle of the blade 3 is adjusted, with the assistance of the stabilizing rod 32 and the auxiliary disk 33 installed on the end portion of one side of each blade 3, the stability of each blade 3 during rotation adjustment is increased.

[0023] One side of the shell 2 is provided with evenly distributed positioning grooves 23, and a slide groove 24 is provided in the positioning groove 23. The stabilizing rod 32 slides in the positioning groove 23, and the auxiliary plate 33 is slidably installed in the slide groove 24. When the angle of the blade 3 is adjusted, the stabilizing rod 32 installed at the end of one side of the blade 3 rotates in the positioning groove 23 following the adjustment of the blade 3, and the auxiliary plate 33 slides in the slide groove 24 following the rotation of the stabilizing rod 32.

[0024] A first rotating member 312 is sleeved on one end of the surface of the adjusting shaft 31, and the first rotating member 312 is fixedly installed in one side of the installation chamber 21. The first rotating member 312 cooperates with the adjusting shaft 31. The first rotating member 312 sleeved on one end of each adjusting shaft 31 completes the positioning of the adjusting shaft 31 in the installation chamber 21, and assists the adjusting shaft 31 to rotate, thereby increasing the stability of the adjusting shaft 31 when rotating the blade 3. A second rotating member 521 is sleeved on one end of the surface of the rotating shaft 52, and the second rotating member 521 is fixedly installed in one side of the installation chamber 21. The second rotating member 521 cooperates with the rotating shaft 52, and the rotating shaft 52 is limited and fixed in the installation chamber 21 through the second rotating member 521. At the same time, the rotating shaft 52 is assisted to rotate through the second rotating member 521, thereby increasing the rotation stability of the rotating shaft 52 and the driving gear 53. An axial hole 22 is opened in the middle of the shell 2, and the diffuser body 1 is connected to the driving shaft through the axial hole 22. The diffuser body 1 is installed on the corresponding driving shaft through the axial hole 22 for fixing, and is used in conjunction with other components of the compressor.

[0025] Working principle: when it is necessary to adjust the angle of the blade 3, turn on the switch of the motor 51 in the driving device 5, and control the rotating shaft 52 to rotate through the output end of the motor 51. When the rotating shaft 52 rotates, it drives the driving gear 53 to rotate. When the driving gear 53 rotates, it drives the transmission gear 311 meshing with the driving gear 53 to rotate. The transmission gear 311 controls the toothed disc 41 to rotate. When the toothed disc 41 rotates, it controls other transmission gears 311 to drive the adjusting shaft 31 at the same time, and completes the adjustment of the angle of the blade 3 on the surface of the shell 2 through the adjusting shaft 31.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A compressor diffuser adjustment mechanism, comprising a diffuser body (1), characterized in that: The diffuser body (1) comprises a shell (2), one side of the shell (2) is provided with evenly distributed blades (3), one side of the blades (3) is fixedly provided with an adjustment shaft (31), one end of the adjustment shaft (31) passes through the shell (2), a mounting chamber (21) is provided in the shell (2), the surface of the adjustment shaft (31) is fixedly sleeved with a transmission gear (311), a bearing (4) is fixedly sleeved in the middle of the mounting chamber (21), a toothed disc (41) is fixedly sleeved on the surface of the bearing (4), the transmission gear (311) meshes with the toothed disc (41), a driving device (5) is installed in the middle of the top surface of the mounting chamber (21), the driving device (5) comprises a motor (51), a rotating shaft (52) is fixedly provided at the output end of the motor (51), a driving gear (53) is fixedly sleeved on the surface of the rotating shaft (52), and the driving gear (53) meshes with a transmission gear (311).

2. A compressor diffuser adjustment mechanism according to claim 1, characterized in that: A stabilizing rod (32) is fixedly mounted on one end of the blade (3) away from the adjusting shaft (31), an auxiliary disc (33) is fixedly mounted on the bottom end of the stabilizing rod (32), and the auxiliary disc (33) is slidably mounted in the housing (2).

3. A compressor diffuser adjustment mechanism according to claim 2, characterized in that: One side of the housing (2) is provided with evenly distributed positioning grooves (23), a slide groove (24) is provided in the positioning groove (23), the stabilizing rod (32) slides in the positioning groove (23), and the auxiliary plate (33) is slidably installed in the slide groove (24).

4. A compressor diffuser adjustment mechanism according to claim 1, characterized in that: A first rotating member (312) is sleeved on one end of the surface of the adjusting shaft (31), and the first rotating member (312) is fixedly installed in one side of the installation chamber (21), and the first rotating member (312) and the adjusting shaft (31) cooperate with each other.

5. A compressor diffuser adjustment mechanism according to claim 1, characterized in that: A second rotating member (521) is sleeved on one end of the surface of the rotating shaft (52). The second rotating member (521) is fixedly installed in one side of the installation chamber (21). The second rotating member (521) and the rotating shaft (52) cooperate with each other.

6. A compressor diffuser adjustment mechanism according to claim 1, characterized in that: An axial hole (22) is provided in the middle of the shell (2), and the diffuser body (1) is connected to the drive shaft via the axial hole (22).