Anti-surge device of axial flow fan with adjustable moving blades

Abstract

The utility model relates to the technical field of ventilation and air conditioning engineering, and discloses a movable blade adjustable axial flow fan anti-surge device which comprises a supporting outer frame, an installation bottom block is arranged at the bottom end of the supporting outer frame, a rotating hole is formed in the middle of the top end of the installation bottom block, a driving motor is arranged at the bottom end of the supporting outer frame, and a motor outer frame is arranged on the outer side of the driving motor. A rotating shaft is arranged at the top end of the driving motor, rotating blades are arranged on the outer side of the rotating shaft, a stabilizing ring is arranged in the middle of the top end of the driving motor, a stabilizing block is arranged on the outer side of the stabilizing ring, a connecting insertion hole is formed in the surface of the stabilizing block, and a connecting rod is arranged on the inner side of the stabilizing ring; a movable outer ring is arranged on the outer side of the connecting rod, a protective outer frame is arranged at the top end of the stable circular ring, and fixed circular blocks are arranged at the four corners of the top end of the protective outer frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ventilation and air conditioning engineering more particularly to a kind of anti-surge devices of adjustable axial fan of moving vane. BACKGROUND

[0002] Adjustable axial fan of moving vane is a kind of specially designed fan, its main feature is that the angle of blade can be dynamically adjusted, so as to optimize airflow and efficiency under different working conditions, which is widely used in occasions needing accurate control of airflow, adjustable axial fan of moving vane has become indispensable equipment in many industries due to its flexible adjustment and high efficiency.

[0003] The existing adjustable axial fan of moving vane is usually prone to cause the working state of fan to appear violent periodic fluctuation due to the instability of airflow under certain working conditions, which may cause damage to downstream equipment or fan itself, and the inside of adjustable axial fan of moving vane is prone to store dust when the device works for a long time, thereby affecting the working efficiency of adjustable axial fan of moving vane, therefore, the utility model provides an anti-surge device of adjustable axial fan of moving vane. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an anti-surge device of adjustable axial fan of moving vane to solve the problems in the above background art.

[0005] The utility model provides the following technical scheme: an anti-surge device of adjustable axial fan of moving vane, comprising a support outer frame;

[0006] A drive motor is installed at the bottom end of the support outer frame.

[0007] A stabilizing ring is installed at the top end of the drive motor, the outer side of the stabilizing ring is provided with a stabilizing block, the surface of the stabilizing block is provided with a connecting jack, the inner side of the stabilizing ring is provided with a connecting rod, and the outer side of the connecting rod is provided with a movable outer ring.

[0008] A protective outer frame is installed at the top end of the stabilizing ring, the top end of the protective outer frame is provided with a fixed circular block at four corners, the top end of the protective outer frame is provided with a fitting ring in the middle, the bottom end of the fitting ring is provided with a plug-in rod, the outer side of the fitting ring is provided with a fitting side block, and the inner side of one end of the fitting side block is provided with a stabilizing bolt.

[0009] Further, the bottom end of the supporting outer frame is provided with a mounting bottom block, a rotating hole is formed in the middle part of the top end of the mounting bottom block, the mounting bottom block is fixedly installed at the bottom end of the supporting outer frame, the rotating hole is formed in the middle part of the top end of the mounting bottom block, and the supporting outer frame can be conveniently installed by the mounting bottom block and the rotating hole.

[0010] Further, the outer side of the driving motor is provided with a motor outer frame, the outer side of the motor outer frame is provided with a stabilizing side block, the top end of the driving motor is provided with a rotating shaft, the outer side of the rotating shaft is provided with a rotating paddle, and the driving motor can be conveniently installed more stably by the motor outer frame and the stabilizing side block.

[0011] Further, the motor outer frame is fixedly installed at the outer side of the driving motor, the stabilizing side block is fixedly connected with the motor outer frame, the rotating shaft is rotatably installed at the top end of the driving motor, the rotating paddle is fixedly installed at the outer side of the rotating shaft, and the driving motor can be conveniently worked by the rotating shaft and the rotating paddle.

[0012] Further, the stabilizing block is fixedly installed at the outer side of the stabilizing ring, the connecting socket is formed in the middle part of the surface of the stabilizing block, the connecting rod is rotatably installed at the inner side of the stabilizing ring, and the movable outer ring is fixedly installed at the outer side of the connecting rod.

[0013] Further, the fixed circular block is fixedly installed at the top end of the protection outer frame, the fitting circular ring is fixedly installed at the middle part of the top end of the protection outer frame, the plug-in rod is fixedly installed at the bottom end of the fitting circular ring, the fitting side block is fixedly connected with the fitting circular ring, the stabilizing bolt is rotatably installed at the inner side of one end of the fitting side block, and the protection outer frame can be conveniently disassembled and cleaned by the fitting circular ring and the fitting side block.

[0014] The technical effects and advantages of the utility model are as follows:

[0015] 1. The utility model discloses a supporting outer frame and a stabilizing ring, which are beneficial to reducing the surging condition when the device works, the supporting outer frame, the mounting bottom block and the rotating hole are used in cooperation, the device can be conveniently installed and used, the stabilizing ring, the stabilizing block and the movable outer ring are used in cooperation, and the device can work while reducing the surging condition.

[0016] 2. The utility model discloses a drive motor and protection outer frame are established, be favorable to through drive motor and protection outer frame convenient device dismounting cleaning work, drive motor and stable side block and the rotation axis cooperation use, can make device convenient work, protection outer frame and fixed round block and stable bolt cooperation use, can make device convenient dismounting cleaning work. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model.

[0018] Figure 2 It is the support outer frame structure schematic diagram of the utility model.

[0019] Figure 3 It is the drive motor structure schematic diagram of the utility model.

[0020] Figure 4 It is the stable ring structure schematic diagram of the utility model.

[0021] Figure 5 It is the protection outer frame structure schematic diagram of the utility model.

[0022] The sign is: 1, support outer frame;101, install bottom block;102, rotation hole;2, drive motor;201, motor outer frame;202, stable side block;203, rotation axis;204, rotation paddle;3, stable ring;301, stable block;302, connecting jack;303, connecting rod;304, movable outer ring;4, protection outer frame;401, fixed round block;402, fit ring;403, plug-in rod;404, fit side block;405, stable bolt. DETAILED DESCRIPTION

[0023] The technical scheme in the utility model will be described clearly and completely below in combination with the drawings in the utility model, and in addition, the form of each structure recorded in the following implementation is only an example, and the adjustable axial flow fan anti-surge device of the utility model is not limited to each structure recorded in the following implementation, all other implementation obtained by the ordinary skill in the art without making creative labor belongs to the range of protection of the utility model.

[0024] Example one

[0025] Referring to Figures 1-4 , the utility model provides a kind of adjustable axial flow fan anti-surge device of moving blade, including support outer frame 1;

[0026] Drive motor 2, drive motor 2 is installed at the bottom end of support outer frame 1;

[0027] Stable ring 3, stable ring 3 is installed in the top end of the intermediate part of the driving motor 2, the outer side of the stable ring 3 is provided with a stable block 301, the surface of the stable block 301 is provided with a connecting jack 302, the inner side of the stable ring 3 is provided with a connecting rod 303, the outer side of the connecting rod 303 is provided with a movable outer ring 304;

[0028] Protective outer frame 4, protective outer frame 4 is installed on the top end of the stable ring 3, the top end of the protective outer frame 4 is provided with a fixed circular block 401, the top end of the protective outer frame 4 is provided with a fitting circular ring 402, the bottom end of the fitting circular ring 402 is provided with a plug-in rod 403, the outer side of the fitting circular ring 402 is provided with a fitting side block 404, one end of the inner side of the fitting side block 404 is provided with a stable bolt 405;

[0029] The bottom end of the support outer frame 1 is provided with a mounting bottom block 101, the top end of the mounting bottom block 101 is provided with a rotating hole 102, the mounting bottom block 101 is fixedly installed on the bottom end of the support outer frame 1, the rotating hole 102 is provided in the top end of the mounting bottom block 101, wherein when the device is working, the support outer frame 1 is first installed on the top end of the mounting bottom block 101, and then the support outer frame 1 is installed on the designated position through the mounting bottom block 101, so as to facilitate the installation work of the device;

[0030] The outer side of the driving motor 2 is provided with a motor outer frame 201, the outer side of the motor outer frame 201 is provided with a stable side block 202, the top end of the driving motor 2 is provided with a rotating shaft 203, the outer side of the rotating shaft 203 is provided with a rotating paddle 204, the motor outer frame 201 is fixedly installed on the outer side of the driving motor 2, the stable side block 202 is fixedly connected with the motor outer frame 201, the rotating shaft 203 is rotatably installed on the top end of the driving motor 2, and the rotating paddle 204 is fixedly installed on the outer side of the rotating shaft 203, wherein when the device is working, the motor outer frame 201 can be installed on the outer side of the driving motor 2, then the stable side block 202 provided on the outer side of the motor outer frame 201 can be supported and stabilized, and finally the driving motor 2 can be started, so that the driving motor 2 drives the rotating paddle 204 to rotate through the rotating shaft 203, and the device works more stably;

[0031] The stable block 301 is fixedly installed on the outer side of the stable ring 3, the connecting jack 302 is provided in the surface of the stable block 301, the connecting rod 303 is rotatably installed on the inner side of the stable ring 3, and the movable outer ring 304 is fixedly installed on the outer side of the connecting rod 303, wherein when the device is working, the stable ring 3 can be installed on the inner side of the support outer frame 1 through the stable block 301, and when the device is working, the driving motor 2 drives the rotating paddle 204 to rotate through the rotating shaft 203, and the rotating shaft 203 also rotates on the inner side of the stable ring 3 through the connecting rod 303 provided on the top end and the movable outer ring 304, so as to reduce the surge of the device when the device is working;

[0032] Embodiment two

[0033] Referring to Figure 1 And Figure 5 As shown, based on the same concept as the above embodiment, the embodiment also proposes that the fixed circular block 401 is fixedly installed at the top four corners of the protective outer frame 4, the fitted circular ring 402 is fixedly installed at the top middle part of the protective outer frame 4, the inserted rod 403 is fixedly installed at the bottom end of the fitted circular ring 402, the fitted side block 404 is fixedly connected with the fitted circular ring 402, and the stable bolt 405 is rotatably installed at the inner side of one end of the fitted side block 404.

[0034] In this embodiment, the protective outer frame 4 can be installed outside the supporting outer frame 1, when the device needs to be disassembled and cleaned after being used for a long time, the stable bolt 405 can be taken out from the inner side of the fitted side block 404 by rotating, then the fitted circular ring 402 can be pulled upwards, so that the inserted rod 403 provided at the bottom end of the fitted circular ring 402 is separated from the connecting insertion hole 302 provided at the top middle part of the stable block 301, and the device can be disassembled and cleaned conveniently.

[0035] The working principle of the utility model is: first, the stable circular ring 3 can be installed inside the supporting outer frame 1 through the stable block 301, and when the device is working, the driving motor 2 drives the rotating paddle 204 to rotate through the rotating shaft 203, the rotating shaft 203 also rotates inside the stable circular ring 3 through the connecting rod 303 provided at the top and the movable outer ring 304, so that when the device is working, the surging of the device is reduced, and when disassembly and cleaning are needed, the stable bolt 405 can be taken out from the inner side of the fitted side block 404 by rotating, then the fitted circular ring 402 can be pulled upwards, so that the inserted rod 403 provided at the bottom end of the fitted circular ring 402 is separated from the connecting insertion hole 302 provided at the top middle part of the stable block 301, and the device can be disassembled and cleaned conveniently.

[0036] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0037] Secondly: the utility model discloses the embodiment of the drawings only relates to the structure involved in the embodiment of the utility model, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0038] Finally should be explained a few points is: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0039] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0040] Finally: the above is only the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An anti-surge device for an adjustable blade axial flow fan, comprising a support outer frame (1); characterized in that: a driving motor (2) is installed at the bottom end of the support outer frame (1); a stabilizing ring (3) is installed at the middle part of the top end of the driving motor (2), the outer side of the stabilizing ring (3) is provided with a stabilizing block (301), the surface of the stabilizing block (301) is provided with a connecting jack (302), the inner side of the stabilizing ring (3) is provided with a connecting rod (303), and the outer side of the connecting rod (303) is provided with a movable outer ring (304); a protective outer frame (4) is installed at the top end of the stabilizing ring (3), the top end of the protective outer frame (4) is provided with a fixed circular block (401) at each corner, the middle part of the top end of the protective outer frame (4) is provided with a fitting ring (402), the bottom end of the fitting ring (402) is provided with a plug-in rod (403), and the outer side of the fitting ring (402) is provided with a fitting side block (404), one end of the fitting side block (404) is provided with a stabilizing bolt (405) on the inner side.

2. The anti-surge device of the adjustable blade axial flow fan according to claim 1, characterized in that: The bottom end of the support outer frame (1) is provided with an installation bottom block (101), and the middle part of the top end of the installation bottom block (101) is provided with a rotating hole (102).

3. A surge prevention device for an adjustable blade axial fan according to claim 2, characterized in that: The installation bottom block (101) is fixedly installed at the bottom end of the support outer frame (1), and the rotating hole (102) is formed in the middle part of the top end of the installation bottom block (101).

4. The anti-surge device of a variable blade axial flow fan according to claim 1, characterized in that: The outer side of the driving motor (2) is provided with a motor outer frame (201), the outer side of the motor outer frame (201) is provided with a stabilizing side block (202), the top end of the driving motor (2) is provided with a rotating shaft (203), and the outer side of the rotating shaft (203) is provided with a rotating paddle (204).

5. A surge prevention device for an adjustable blade axial fan according to claim 4, characterized in that: The motor outer frame (201) is fixedly installed on the outer side of the driving motor (2), the stabilizing side block (202) is fixedly connected with the motor outer frame (201), the rotating shaft (203) is rotatably installed at the top end of the driving motor (2), and the rotating paddle (204) is fixedly installed on the outer side of the rotating shaft (203).

6. A surge prevention device for an adjustable blade axial fan according to claim 1, characterized in that: The stabilizing block (301) is fixedly installed on the outer side of the stabilizing ring (3), the connecting jack (302) is formed in the middle part of the surface of the stabilizing block (301), the connecting rod (303) is rotatably installed on the inner side of the stabilizing ring (3), and the movable outer ring (304) is fixedly installed on the outer side of the connecting rod (303).

7. The anti-surge device of a variable blade axial flow fan according to claim 1, characterized in that: The fixed circular block (401) is fixedly installed at the top end of the protective outer frame (4), the fitting ring (402) is fixedly installed at the middle part of the top end of the protective outer frame (4), the plug-in rod (403) is fixedly installed at the bottom end of the fitting ring (402), the fitting side block (404) is fixedly connected with the fitting ring (402), and the stabilizing bolt (405) is rotatably installed on the inner side of one end of the fitting side block (404).

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