Inverter external fan fixing support

Abstract

The utility model belongs to the technical field of fan fixing supports, and particularly relates to an inverter external fan fixing support which comprises a shell. A motor is installed in one end of the shell through a connecting frame, and a cooling fan is installed at the output end of the motor. A filter screen plate is mounted at the end part of one end of the shell; a rotating rod rotationally penetrates through the center in the filter screen plate; brush plates are fixedly connected to the middles of the two ends of the rotating rod, and the two brush plates are located on the two sides of the filter screen plate; one end of the rotating rod is inserted into the center of the cooling fan, and an impact ball is mounted on one side of one end of one group of brush plates; a discharging groove is formed in one side of the shell; a cooling fan rotates to synchronously drive a rotating rod to rotate, so that two groups of brush plates synchronously rotate circumferentially by taking the center of a filter screen plate as a fulcrum, and dust attached to two sides of the surface of the filter screen plate is automatically cleaned, so that the filtering effect of the filter screen plate is improved, and the situation that the cooling effect is reduced due to dust accumulation is reduced; and the performance and the service life of the inverter are influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of fan fixing brackets, in particular to an inverter external fan fixing bracket. Background Art

[0002] An inverter is a converter that is mainly used to convert direct current power into constant frequency and constant voltage or frequency and voltage regulated alternating current for household, commercial and industrial use. It has a wide range of uses and is commonly used in various fields such as automobiles, medical care, and ships.

[0003] Obviously, the main purpose of the inverter fan is to dissipate the heat generated by the inverter during operation, and the fan fixing bracket is mainly used to fix the fan and the inverter to ensure that the connection between the fan and the inverter is firm and reliable.

[0004] In order to reduce the risk of impurities entering the inverter during fan heat dissipation, causing contamination and damage to the internal electronic components, most brackets are equipped with filters. As time goes by, dust will inevitably accumulate on both sides of the filters, which will reduce the filtering effect of the filters and affect the heat dissipation performance of the inverter, causing the internal temperature of the inverter to rise, affecting its service life and performance stability. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes an inverter external fan fixing bracket.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an inverter external fan fixing bracket, comprising a shell; a motor is installed inside one end of the shell through a connecting frame, and a heat dissipation fan is installed at the output end of the motor; a filter plate is installed at the end of one end of the shell; a rotating rod is rotated through the center of the filter plate; a brush plate is fixedly connected to the middle of both ends of the rotating rod, and two groups of brush plates are located on both sides of the filter plate; one end of the rotating rod is plugged into the center of the heat dissipation fan, and an impact ball is installed on one side of one end of a group of brush plates; a discharge groove is opened on one side of the shell; a slide plate is elastically slidably connected to the inside of the shell through a first spring, and one end of the slide plate is elastically abutted against one end of the inside of the discharge groove; an arc plate is installed on one side of the discharge groove, and the impact ball and the arc plate are relative to each other.

[0007] Preferably, a plurality of support frames are fixedly connected around the outer wall of the shell, and a first spring column is slidably connected inside the support frame; one end of the first spring column is rotatably connected to a screw rod, and the other end of the screw rod is threadedly penetrated inside the support frame.

[0008] Preferably, the outer wall of the filter plate is fixedly connected with an annular clamping plate, and the outer wall of the annular clamping plate is surrounded and fixedly connected with multiple groups of connecting blocks; the outer wall of the shell is correspondingly surrounded and fixedly connected with multiple groups of second spring columns, and the elastic ends of the second spring columns are plugged into the inside of the connecting blocks.

[0009] Preferably, a slide groove is provided inside the elastic end of the first spring column, and a buffer plate is elastically slidably connected inside the slide groove via a plurality of groups of second springs.

[0010] Preferably, a plurality of groups of insertion rods are fixedly connected around one end of the annular clamping plate, and a plurality of groups of limiting plates are fixedly connected around the inside of the shell; the insertion rods are plugged into the inside of the limiting plates.

[0011] Preferably, a rubber pad is provided on the surface of one end of the slide plate, and the rubber pad is located at the end of the slide plate away from the discharge chute.

[0012] Preferably, the connecting frame is provided as a reinforcing rod and is made of a rigid material.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an inverter external fan fixing bracket, which drives the rotating rod to rotate synchronously through the rotation of the heat dissipation fan, so that the two groups of brush plates synchronously rotate in a circle with the center of the filter plate as the fulcrum, so as to achieve automatic cleaning of dust contaminated and attached on both sides of the surface of the filter plate, so as to improve the filtering effect of the filter plate, reduce the heat dissipation effect reduced by the accumulation of dust, and cause the inverter to overheat and affect its performance and life. At the same time, when the brush plate rotates, it synchronously drives the impact ball to rotate, so that the impact ball intermittently squeezes the arc plate, so that the arc plate is intermittently moved away from and away from the discharge groove through the first spring, so that some of the dust and impurities cleaned can be discharged through the discharge groove, so as to reduce the secondary entry and attachment of dust, and improve the cleaning effect of the filter plate. When the inverter is placed, the arc plate can block the discharge groove, so as to reduce the dust and impurities in the external environment from entering the inverter through the discharge groove, so as to improve the cleanliness of the inverter.

[0015] 2. The utility model provides an inverter external fan fixing bracket, which can control and adjust the position of each group of first spring columns by rotating the screw rod forward and backward, so as to facilitate connection with inverter housings of different sizes, improve applicability, and appropriately adjust the position and angle of the cooling fan, so that the cooling fan can fully inhale cold air and effectively discharge hot air to improve heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cross-sectional view of the housing in the utility model;

[0019] Figure 3 It is a cross-sectional view of the filter plate in the utility model;

[0020] Figure 4 It is a schematic diagram of removing the filter plate in the utility model;

[0021] Figure 5 It is a schematic diagram of the connection between the first spring column and the buffer plate in the utility model.

[0022] Legend:

[0023] 1. Shell; 2. Connecting frame; 3. Motor; 4. Cooling fan; 5. Filter plate; 6. Rotating rod; 7. Brush plate; 8. Impact ball; 9. Discharge chute; 10. First spring; 11. Slide plate; 12. Arc plate; 13. Support frame; 14. First spring column; 15. Screw; 16. Annular clamping plate; 17. Connecting block; 18. Second spring column; 19. Second spring; 20. Buffer plate; 21. Insert rod; 22. Limit plate; 23. Rubber pad. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 5 The utility model provides an inverter external fan fixing bracket, comprising a shell 1; a motor 3 is installed inside one end of the shell 1 through a connecting frame 2, and a heat dissipation fan 4 is installed at the output end of the motor 3; a filter plate 5 is installed at one end of the shell 1; a rotating rod 6 is rotated through the center of the filter plate 5; a brush plate 7 is fixedly connected to the middle of both ends of the rotating rod 6, and two groups of brush plates 7 are located on both sides of the filter plate 5; one end of the rotating rod 6 is plugged into the center of the heat dissipation fan 4, and an impact ball 8 is installed on one side of one end of a group of brush plates 7; a discharge groove 9 is opened on one side of the shell 1; a slide plate 11 is elastically slidably connected to the inside of the shell 1 through a first spring 10, and one end of the slide plate 11 is elastically abutted against one end of the inside of the discharge groove 9; an arc plate 12 is installed on one side of the discharge groove 9, and the impact ball 8 and the arc plate 12 are relative to each other.

[0027] When working, the heat dissipation fan 4 is plugged with the rotating rod 6, wherein one end of the rotating rod 6 is square, and a square groove is correspondingly provided at one end inside the heat dissipation fan 4 to reduce the occurrence of rotation slippage. The heat dissipation fan 4 can be driven to rotate through the output end of the motor 3 to achieve the heat dissipation effect. When the heat dissipation fan 4 rotates, the rotating rod 6 is driven to rotate synchronously, so that the two sets of brush plates 7 synchronously rotate in a circle with the center of the filter plate 5 as the fulcrum, so as to achieve automatic cleaning of the dust attached to the surface of the filter plate 5 on both sides, so as to improve the filtering effect of the filter plate 5, reduce the heat dissipation effect reduced due to the accumulation of dust, and cause the inverter Overheating affects its performance and life. At the same time, when the brush plate 7 rotates, the impact ball 8 is driven to rotate synchronously, so that the impact ball 8 intermittently squeezes the arc plate 12, so that the arc plate 12 intermittently moves away from and away from the discharge groove 9 through the first spring 10, so that some dust and impurities after cleaning can be discharged through the discharge groove 9, so as to reduce the secondary entry and attachment of dust, and improve the cleaning effect of the filter plate 5. When the inverter is placed, the arc plate 12 can block the discharge groove 9 to reduce the dust and impurities in the external environment from entering the inverter through the discharge groove 9, so as to improve the cleanliness of the inside of the inverter.

[0028] See also Figure 1-Figure 5 , the outer wall of the shell 1 is surrounded and fixed with multiple groups of support frames 13, and the support frame 13 is slidably connected with a first spring column 14; one end of the first spring column 14 is rotatably connected with a screw rod 15, and the other end of the screw rod 15 is threadedly penetrated into the support frame 13; during operation, by rotating the screw rod 15 forward and backward, the position of each group of first spring columns 14 can be controlled and adjusted to facilitate connection with inverter shells of different sizes, thereby improving applicability, and the position and angle of the cooling fan 4 can be appropriately adjusted, so that the cooling fan 4 can fully inhale cold air and effectively discharge hot air to improve heat dissipation efficiency. At the same time, a mounting flange is provided at one end of the shell 1. When the flange can meet the installation requirements, the telescopic end of the first spring column 14 can be adaptively telescoped and abutted against the outer wall of the inverter shell without affecting normal installation work.

[0029] See also Figure 1-Figure 4 The outer wall of the filter plate 5 is fixedly connected with an annular clamping plate 16, and the outer wall of the annular clamping plate 16 is surrounded and fixedly connected with multiple groups of connecting blocks 17; the outer wall of the shell 1 is correspondingly surrounded and fixedly connected with multiple groups of second spring columns 18, and the elastic end of the second spring column 18 is plugged into the inside of the connecting block 17; when working, the filter plate 5 can be quickly separated from one end of the shell 1 by disengaging the elastic end of the second spring column 18 from the inside of the connecting block 17, so that subsequent personnel can easily maintain and replace the filter plate 5 and the brush plate 7, providing convenience for subsequent maintenance.

[0030] See also Figure 4 , Figure 5A slide groove is provided inside the elastic end of the first spring column 14, and a buffer plate 20 is elastically slidably connected inside the slide groove through multiple groups of second springs 19; when working, the buffer plate 20 can be elastically pushed by the second spring 19. When the inverter is subjected to external vibration or impact, the buffer plate 20 can absorb and disperse part of the force, reduce the impact of vibration on the cooling fan 4 and internal components of the inverter, thereby improving the stability and reliability of the inverter, and through the elastic movement of the buffer plate 20, the contact between the outer casing can be improved, and the reliability and durability of the connection can be improved.

[0031] See also Figure 2-Figure 4 A plurality of groups of insertion rods 21 are fixedly connected around one end of the annular clamping plate 16, and a plurality of groups of limiting plates 22 are fixedly connected around the inside of the shell 1; the insertion rods 21 are plugged into the inside of the limiting plates 22; when working, the limiting plates 22 are combined with the insertion of the insertion rods 21 to reduce the occurrence of random sliding or rotation of the annular clamping plate 16 inside the shell 1, thereby further improving the stability of the bracket.

[0032] See also Figure 4 A rubber pad 23 is provided on the surface of one end of the skateboard 11, and the rubber pad 23 is located at the end of the skateboard 11 away from the discharge groove 9; when working, the rubber pad 23 can increase the friction and damping force between the skateboard 11 and the inside of the shell 1, so that when the skateboard 11 is away from the end of the discharge groove 9 under the extrusion of the impact ball 8, the reset speed of the skateboard 11 can be reduced, and the number of collisions and extrusions between the impact ball 8 and the arc plate 12 can be reduced, so as to improve the service life of both.

[0033] See also Figure 2 The connecting frame 2 is a reinforcing rod and is made of a rigid material. When working, the rigid material can improve the strength of the connecting frame 2 itself and improve the stability of the connection between the housing 1 and the cooling fan 4.

[0034] Working principle: the heat dissipation fan 4 is plugged into the rotating rod 6, wherein one end of the rotating rod 6 is square-shaped, and a corresponding square groove is provided at one end inside the heat dissipation fan 4 to reduce the occurrence of rotation slippage. The heat dissipation fan 4 can be driven to rotate through the output end of the motor 3 to achieve the heat dissipation effect. When the heat dissipation fan 4 rotates, the rotating rod 6 is driven to rotate synchronously, so that the two sets of brush plates 7 are synchronously rotated in a circle with the center of the filter plate 5 as the fulcrum, so as to achieve automatic cleaning of the dust attached to the surface of the filter plate 5 on both sides, so as to improve the filtering effect of the filter plate 5, reduce the heat dissipation effect caused by the accumulation of dust, and reduce the overheating of the inverter, thereby affecting its performance and life. At the same time, when the brush plate 7 rotates, the impact ball 8 is driven to rotate synchronously, so that the impact ball 8 intermittently squeezes the arc plate 12, so that the arc The plate 12 is intermittently moved away from and away from the discharge slot 9 by the first spring 10, so that some dust and impurities after cleaning can be discharged through the discharge slot 9, so as to reduce the secondary entry and attachment of dust, and improve the cleaning effect of the filter plate 5. When the inverter is placed, the arc plate 12 can block the discharge slot 9 to reduce the dust and impurities in the external environment from entering the inverter through the discharge slot 9, so as to improve the cleanliness of the inverter. By rotating the screw 15 forward and backward, the position of each group of first spring columns 14 can be controlled and adjusted to facilitate connection with inverter housings of different sizes, thereby improving applicability. The position and angle of the cooling fan 4 can be appropriately adjusted, so that the cooling fan 4 can fully inhale cold air and effectively discharge hot air, so as to improve the heat dissipation efficiency. A mounting flange is provided at one end of the housing 1. When the flange can meet the installation requirements, the telescopic end of the first spring column 14 can be adaptively telescoped and abutted against the outer wall of the inverter housing without affecting the normal installation work; the filter plate 5 can be quickly detached from one end of the housing 1 by disengaging the elastic end of the second spring column 18 from the inside of the connecting block 17, so that subsequent personnel can perform maintenance and replacement of the filter plate 5 and the brush plate 7, providing convenience for subsequent maintenance; the buffer plate 20 can be elastically pushed by the second spring 19. When the inverter is subjected to external vibration or impact, the buffer plate 20 can absorb and disperse part of the force, reduce the influence of vibration on the cooling fan 4 and the internal components of the inverter, thereby improving the stability and reliability of the inverter, and through The elastic movement of the buffer plate 20 can improve the contact with the shell, and improve the reliability and durability of the connection; through the limit plate 22 and the insertion of the plug rod 21, the phenomenon of random sliding or rotation of the annular clamping plate 16 inside the shell 1 can be reduced, and the stability of the bracket is further improved; the friction and damping force between the slide plate 11 and the inside of the shell 1 can be increased by the rubber pad 23, so that when the slide plate 11 is away from one end of the discharge trough 9 under the extrusion of the impact ball 8, the reset speed of the slide plate 11 can be reduced, and the number of collisions and extrusions between the impact ball 8 and the arc plate 12 can be reduced, so as to increase the service life of both; through the setting of rigid materials, the strength of the connecting frame 2 itself can be improved, and the stability of the connection between the shell 1 and the heat dissipation fan 4 can be improved.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An inverter external fan fixing bracket, comprising a housing (1); a motor (3) is installed inside one end of the housing (1) through a connecting frame (2), and a heat dissipation fan (4) is installed at the output end of the motor (3); a filter plate (5) is installed at one end of the housing (1); characterized in that: A rotating rod (6) is rotated through the center of the filter plate (5); brush plates (7) are fixedly connected to the middle of both ends of the rotating rod (6), and two groups of brush plates (7) are located on both sides of the filter plate (5); one end of the rotating rod (6) is plugged into the center of the heat dissipation fan (4), and a collision ball (8) is installed on one side of one end of a group of brush plates (7); a discharge groove (9) is opened on one side of the shell (1); a slide plate (11) is elastically slidably connected to the inside of the shell (1) through a first spring (10), and one end of the slide plate (11) is elastically abutted against one end of the inside of the discharge groove (9); an arc plate (12) is installed on one side of the discharge groove (9), and the collision ball (8) and the arc plate (12) are relative to each other.

2. The inverter external fan fixing bracket according to claim 1, characterized in that: The outer wall of the shell (1) is surrounded and fixedly connected with a plurality of support frames (13), and a first spring column (14) is slidably connected inside the support frame (13); one end of the first spring column (14) is rotatably connected with a screw rod (15), and the other end of the screw rod (15) is threadedly penetrated inside the support frame (13).

3. The inverter external fan fixing bracket according to claim 1, characterized in that: An annular clamping plate (16) is fixedly connected to the outer wall of the filter plate (5), and a plurality of connection blocks (17) are fixedly connected around the outer wall of the annular clamping plate (16); a plurality of second spring columns (18) are correspondingly fixedly connected around the outer wall of the shell (1), and the elastic ends of the second spring columns (18) are plugged into the interior of the connection blocks (17).

4. The inverter external fan fixing bracket according to claim 2, characterized in that: A sliding groove is provided inside the elastic end of the first spring column (14), and a buffer plate (20) is elastically slidably connected inside the sliding groove via a plurality of groups of second springs (19).

5. The inverter external fan fixing bracket according to claim 3, characterized in that: One end of the annular clamping plate (16) is surrounded and fixedly connected with a plurality of groups of insertion rods (21), and the interior of the housing (1) is surrounded and fixedly connected with a plurality of groups of limiting plates (22); the insertion rods (21) are internally inserted into the limiting plates (22).

6. The inverter external fan fixing bracket according to claim 1, characterized in that: A rubber pad (23) is provided on the surface of one end of the slide plate (11), and the rubber pad (23) is located at an end of the slide plate (11) away from the discharge trough (9).

7. The inverter external fan fixing bracket according to claim 1, characterized in that: The connecting frame (2) is provided as a reinforcing rod and is made of a rigid material.

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