A fan blade bearing seat convenient for installation and disassembly

Abstract

The utility model discloses a fan blade bearing seat that is convenient for installation and disassembly, and relates to the technical field of fans. The utility model comprises an installation box; a first semicircular groove is provided on the surface of the installation box; first semicircular plates are rotatably provided on both opposite inner walls of the first semicircular groove; an adjusting tooth ring is fixed on the side of the first semicircular plate; a slide plate is slidably provided on both opposite inner walls of the installation box; an adjusting rack is fixed on the side of the slide plate; a guide plate is slidably provided on the inner bottom surface of the first semicircular groove; a second semicircular plate is fixed on the bottom surface of the guide plate; a toggle plate is fixed on the side of the adjusting rack. The utility model utilizes the fan blade shaft to slide the arc-shaped supporting plate, the guide plate, the second semicircular plate, and the reset plate downward to compress the reset spring, thereby driving the two toggle plates to be pushed by the second semicircular plate to slide away from each other, the toggle plate drives the corresponding adjusting rack to slide, the adjusting rack drives the corresponding adjusting tooth ring to rotate, and then the two installation plates are fitted together and fixed with fastening bolts.

Description

Technical Field

[0001] The utility model belongs to the technical field of fans, and particularly relates to a fan blade bearing seat which is convenient for installation and disassembly. Background Art

[0002] A fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. The impeller of the fan is the most basic component of the fan. Its main function is to drive air flow through rotation to form wind force. The impeller is set on the transmission shaft, and the transmission shaft drives the impeller to rotate. The transmission shaft is usually fixed by a bearing seat.

[0003] At present, the existing fan blade bearing seat usually uses a snap-on method to fix the transmission shaft. After the bearing seat is assembled with the bottom shell, one end is stuck and cannot be removed, which is inconvenient for disassembly maintenance or replacement. If forcibly disassembled, the snap-on will break or the bottom shell matching buckle will break, which increases the maintenance cost and is inconvenient for installation and disassembly.

[0004] To this end, we provide a fan blade bearing seat that is easy to install and disassemble to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a fan blade bearing seat which is easy to install and disassemble, by utilizing the fan blade shaft to slide the arc-shaped supporting plate, the guide plate, the second semicircular plate, and the reset plate downward to compress the reset spring, the second semicircular plate slides downward to drive the limit plate to slide downward, and then drives the two toggle plates to be pushed by the second semicircular plate to slide with a tendency to move away from each other, the toggle plate drives the corresponding adjusting rack to slide, the adjusting rack drives the corresponding adjusting gear ring to rotate, so that the two first semicircular plates are close to each other and fit together, and then the two mounting plates are fit together and fixed with fastening bolts, which solves the problem that the existing fan blade bearing seat usually fixes the transmission shaft in a buckle manner, and one end of the bearing seat is stuck after the bottom shell is assembled, and cannot be disassembled, which is inconvenient for disassembly maintenance or replacement. If forcibly disassembled, the buckle will break or the bottom shell matching buckle will break, which increases the maintenance cost and the problem of inconvenient installation and disassembly.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model discloses a fan blade bearing seat which is convenient for installation and disassembly, comprising an installation box; a first semicircular groove is provided on the surface of the installation box; first semicircular plates are rotatably provided on two opposite inner walls of the first semicircular groove; adjusting toothed rings are fixed on the side surfaces of the first semicircular plates; slide plates are slidably provided on two opposite inner walls of the installation box; the sliding directions of the two slide plates are opposite; adjusting racks are fixed on the side surfaces of the slide plates; the adjusting racks are meshed with adjacent adjusting toothed rings; a guide plate is slidably provided on the inner bottom surface of the first semicircular groove; a second semicircular plate is fixed on the bottom surface of the guide plate; a toggle plate is fixed on the side surfaces of the adjusting rack; the side surfaces of the toggle plate are adapted to the peripheral side surfaces of the second semicircular plate.

[0008] The utility model is further configured as follows: a third semicircular plate is fixed between two opposite inner walls of the first semicircular groove; the radius of the third semicircular plate is smaller than the radius of the first semicircular groove; the gap between the third semicircular plate and the first semicircular groove forms a semicircular slide groove; the inner circumferential side surface of the first semicircular plate is adapted to the inner top surface of the semicircular slide groove.

[0009] The utility model is further configured as follows: two opposite inner walls of the installation box are both provided with T-shaped limit grooves; a T-shaped limit rail slidingly matched with the T-shaped limit groove is fixed on the side of the slide plate; and the two T-shaped limit grooves are centrally symmetrically arranged.

[0010] The utility model is further configured as follows: a mounting plate is fixed to the side of the first semicircular plate; a plurality of arc-shaped plates are symmetrically arranged on the side of the mounting plate; a gap between two adjacent arc-shaped plates forms an arc-shaped groove; a plurality of arc-shaped blocks are symmetrically fixed to the inner wall of the first semicircular groove; and the arc-shaped blocks are plugged into and matched with the arc-shaped groove.

[0011] The utility model is further configured as follows: two connecting grooves are symmetrically opened through the top surface of the installation box; the saw teeth on the adjusting tooth ring and the adjusting rack are in contact and mesh with each other through the connecting grooves; a guide groove is opened through the bottom surface of the first semicircular groove; and the guide plate is slidably arranged between the inner walls of the guide grooves.

[0012] The utility model is further configured as follows: an arc-shaped supporting plate is fixed on the surface of the guide plate; a fan blade shaft is placed on the inner circumferential side of the arc-shaped supporting plate; a second semicircular groove is opened on the surface of the mounting box; the inner circumferential side of the first semicircular plate, the inner circumferential side of the arc-shaped supporting plate, the inner circumferential side of the arc block and the inner wall of the second semicircular groove are all adapted to the circumferential side of the fan blade shaft.

[0013] The utility model is further configured as follows: a reset plate is fixed to the circumferential side surface of the second semicircular plate; the reset plate is slidably arranged between two opposite inner walls of the installation box; a reset spring is connected between the reset plate and the inner bottom surface of the installation box; two limit plates are symmetrically fixed to the circumferential side surface of the second semicircular plate on both sides of the reset plate; the limit plates are adapted to the side surfaces of the toggle plate.

[0014] The utility model has the following beneficial effects:

[0015] The utility model utilizes the fan blade shaft to slide the arc-shaped supporting plate, the guide plate, the second semicircular plate, and the reset plate downward to compress the reset spring. The second semicircular plate slides downward to drive the limit plate to slide downward, thereby driving the two toggle plates to be pushed by the second semicircular plate to slide with a tendency to move away from each other. The toggle plates drive the corresponding adjusting racks to slide, and the adjusting racks drive the corresponding adjusting gear rings to rotate, thereby making the two mounting plates fit together and fixed with fastening bolts.

[0016] The utility model utilizes a reset spring and a reset plate. When the fan blade shaft needs to be removed, the two first semicircular plates are reversed to make each component move in the opposite direction. After the fan blade shaft is removed, the elastic force of the reset spring keeps the reset plate in a lifted state, that is, the device returns to the original position, and installation and disassembly are convenient.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are 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 creative work.

[0019] Figure 1 The figure is a schematic diagram of the structure of a fan blade bearing seat which is convenient for installation and disassembly.

[0020] Figure 2 It is a cross-sectional view of the utility model in a state where the fan blade shaft is fixed.

[0021] Figure 3 For the utility model Figure 2 Schematic diagram of the internal components of the installation box.

[0022] Figure 4 This is a cross-sectional view of the utility model with the fan shaft removed.

[0023] Figure 5 For the utility model Figure 4 Schematic diagram of the internal components of the installation box.

[0024] Figure 6 It is a cross-sectional view of the installation box of the utility model.

[0025] Figure 7 For the utility model Figure 6 Bottom view of .

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 1-installation box, 2-first semicircular groove, 3-first semicircular plate, 4-adjusting gear ring, 5-slide plate, 6-adjusting rack, 7-second semicircular plate, 8-sliding plate, 9-third semicircular plate, 10-semicircular slide groove, 11-T-shaped limit groove, 12-T-shaped limit rail, 13-installation plate, 14-arc plate, 15-arc groove, 16-arc block, 17-connecting groove, 18-guide groove, 19-arc supporting plate, 20-fan blade shaft, 21-second semicircular groove, 22-reset plate, 23-reset spring, 24-limiting plate, 25-guide plate. DETAILED DESCRIPTION

[0028] 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.

[0029] For specific embodiment 1, please refer to Figure 1-7 The utility model is a fan blade bearing seat which is convenient for installation and disassembly, comprising an installation box 1; a first semicircular groove 2 is opened on the surface of the installation box 1; first semicircular plates 3 are rotatably arranged on two opposite inner walls of the first semicircular groove 2; an adjusting toothed ring 4 is fixed on the side of the first semicircular plate 3; slide plates 5 are slidably arranged on two opposite inner walls of the installation box 1; the sliding directions of the two slide plates 5 are opposite; an adjusting rack 6 is fixed on the side of the slide plate 5; the adjusting rack 6 is meshed with the adjacent adjusting toothed ring 4; a guide plate 25 is slidably arranged on the inner bottom surface of the first semicircular groove 2; a second semicircular plate 7 is fixed on the bottom surface of the guide plate 25; a toggle plate 8 is fixed on the side of the adjusting rack 6; the side of the toggle plate 8 is adapted to the side surface of the second semicircular plate 7.

[0030] Specifically, two connecting grooves 17 are symmetrically opened on the top surface of the installation box 1; the saw teeth on the adjusting gear ring 4 and the adjusting rack 6 are in contact and mesh with each other through the connecting grooves 17; a guide groove 18 is opened on the inner bottom surface of the first semicircular groove 2; and the guide plate 25 is slidably arranged between the inner walls of the guide groove 18.

[0031] Furthermore, an arc-shaped supporting plate 19 is fixed on the surface of the guide plate 25; a fan shaft 20 is placed on the inner side of the arc-shaped supporting plate 19; a second semicircular groove 21 is opened on the surface of the mounting box 1; the inner side of the first semicircular plate 3, the inner side of the arc-shaped supporting plate 19, the inner side of the arc block 16 and the inner wall of the second semicircular groove 21 are all adapted to the side of the fan shaft 20.

[0032] Furthermore, a reset plate 22 is fixed on the side surface of the second semicircular plate 7; the reset plate 22 is slidably arranged between the two opposite inner walls of the installation box 1; a reset spring 23 is connected between the reset plate 22 and the inner bottom surface of the installation box 1; two limit plates 24 are symmetrically fixed on the side surface of the second semicircular plate 7 on both sides of the reset plate 22; the limit plates 24 are adapted to the side surfaces of the toggle plate 8.

[0033] The operation process of this embodiment is as follows: in the initial state, the reset spring 23 is in a relaxed state to lift the reset plate 22, the second semicircular plate 7 is located at the top of the installation box 1, the guide plate 25 and the arc-shaped supporting plate 19 are respectively in the highest position, the two toggle plates 8 are respectively in contact with the corresponding limit plates 24, and the two first semicircular plates 3 are in an open state.

[0034] Then, the fan blade shaft 20 is placed on the arc-shaped supporting plate 19. The self-generated gravity of the fan blade shaft 19 presses the arc-shaped supporting plate 19 downward, thereby driving the guide plate 25 to slide downward along the guide groove 18, thereby driving the second semicircular plate 7 to slide downward, thereby driving the reset plate 22 to slide downward and compress the reset spring 23. During the downward sliding of the second semicircular plate 7, the limit plate 24 is driven to slide downward, thereby driving the toggle plate 8 to slowly contact the side surface of the second semicircular plate 7 from the contact with the limit plate 24, thereby the two toggle plates 8 are slowly moved by the second semicircular plate 7. The semicircular plates 7 are pushed to slide with a tendency to move away from each other, and then the toggle plate 8 drives the corresponding adjusting rack 6 to slide, and the sliding directions of the two adjusting racks 6 are opposite, and then the adjusting rack 6 drives the corresponding adjusting toothed ring 4 to rotate along the inner wall of the connecting groove 17, and the two adjusting toothed rings 4 rotate in opposite directions, and then drive the corresponding first semicircular plates 3 to rotate, so that the two first semicircular plates 3 are brought closer to each other until the two first semicircular plates 3 are fitted together, and at this time, the fan blade shaft 20 is wrapped by the two first semicircular plates 3 and placed on the inner wall of the second semicircular groove 21.

[0035] When the fan blade shaft 20 needs to be removed, the two first semicircular plates 3 are rotated to make the two first semicircular plates 3 move away from each other, and then the first semicircular plates 3 drive the corresponding adjusting tooth ring 4 to rotate, and then the adjusting tooth ring 4 drives the corresponding adjusting rack 6 to slide so that the two adjusting racks 6 are close to each other, and then drives the corresponding toggle plate 8 to slide with a tendency to approach each other, and then the toggle plate 8 pushes the second semicircular plate 7 to slide upward until the two toggle plates 8 are in contact with the limit plate 24. In the process of the second semicircular plate 7 sliding upward, it drives the guide plate 25 to slide upward along the guide groove 18. At the same time, the second semicircular plate 7 drives the reset plate 22 to slide upward, and then relaxes the reset spring 23, and then drives the arc-shaped supporting plate 19 to slide upward to support the fan blade shaft 20. At this time, the fan blade shaft 20 can be removed. After the fan blade shaft 20 is removed, the elastic force of the reset spring 23 keeps the reset plate 22 in a raised state.

[0036] In this embodiment, the fan blade shaft 20 is used to slide the arc-shaped supporting plate 19, the guide plate 25, the second semicircular plate 7, and the reset plate 22 downward to compress the reset spring 23. The second semicircular plate 7 slides downward to drive the limit plate 24 to slide downward, thereby driving the two toggle plates 8 to be pushed by the second semicircular plate 7 to slide away from each other. The toggle plate 8 drives the corresponding adjustment rack 6 to slide, and the adjustment rack 6 drives the corresponding adjustment gear ring 4 to rotate, thereby making the two first semicircular plates 3 approach each other and fit together, and then the fan blade shaft 20 is wrapped by the two first semicircular plates 3, and the two first semicircular plates 3 are reversed to make each component move in the opposite direction. After removing the fan blade shaft 2, the device returns to the original position, and it is easy to install and disassemble.

[0037] For specific embodiment 2, please refer to Figure 1-7 On the basis of the specific embodiment 1, a third semicircular plate 9 is fixed between the two opposite inner walls of the first semicircular groove 2; the radius of the third semicircular plate 9 is smaller than the radius of the first semicircular groove 2; the gap between the third semicircular plate 9 and the first semicircular groove 2 forms a semicircular slide groove 10; the inner circumferential side surface of the first semicircular plate 3 is adapted to the inner top surface of the semicircular slide groove 10.

[0038] Specifically, two opposite inner walls of the installation box 1 are provided with T-shaped limit grooves 11; a T-shaped limit rail 12 that slidably cooperates with the T-shaped limit grooves 11 is fixed to the side of the slide plate 5; and the two T-shaped limit grooves 11 are centrally symmetrically arranged.

[0039] Furthermore, a mounting plate 13 is fixed to the side of the first semicircular plate 3; a plurality of arc plates 14 are symmetrically arranged on the side of the mounting plate 13; the gap between two adjacent arc plates 14 forms an arc groove 15; a plurality of arc blocks 16 are symmetrically fixed to the inner wall of the first semicircular groove 2; and the arc blocks 16 are plugged into and matched with the arc groove 15.

[0040] The operation process of this embodiment is as follows: in the initial state, the reset spring 23 is in a relaxed state to lift the reset plate 22, the second semicircular plate 7 is located at the top of the installation box 1, the guide plate 25 and the arc-shaped supporting plate 19 are respectively in the highest position, the two toggle plates 8 are in contact with the corresponding limit plates 24, the two mounting plates 13 are in a state of being away from each other, and the arc block 16 is plugged into and matched with the arc groove 15.

[0041] Then, the fan blade shaft 20 is placed on the arc-shaped supporting plate 19. The self-generated gravity of the fan blade shaft 19 presses the arc-shaped supporting plate 19 downward, thereby driving the guide plate 25 to slide downward along the guide groove 18, thereby driving the second semicircular plate 7 to slide downward, thereby driving the reset plate 22 to slide downward and compress the reset spring 23. During the downward sliding process of the second semicircular plate 7, the limiting plate 24 is driven downward, thereby driving the toggle plate 8 to slowly contact the side surface of the second semicircular plate 7 from the contact with the limiting plate 24, thereby driving the two toggle plates 8 to slide away from each other respectively by the second semicircular plate 7, thereby driving the toggle plate 8 to drive the corresponding adjusting rack 6 to slide, and the adjusting rack 6 Drive the slide plate 5 to slide, so that the T-shaped limit rail 12 slides along the T-shaped limit groove 11, and the sliding directions of the two adjusting racks 6 are opposite, so that the adjusting rack 6 drives the corresponding adjusting toothed ring 4 to rotate along the inner wall of the connecting groove 17, and the two adjusting toothed rings 4 rotate in opposite directions, thereby driving the corresponding first semicircular plate 3 to rotate in the corresponding semicircular slide groove 10, so that the two first semicircular plates 3 are close to each other and drive the arc block 16 to separate from the arc groove 15 until the two mounting plates 13 are fitted together. At this time, the fan blade shaft 20 is wrapped by the two first semicircular plates 3 and placed on the inner wall of the second semicircular groove 21, and then the two mounting plates 13 are fixed together with fastening bolts.

[0042] When the fan shaft 20 needs to be taken away, the fastening bolts are removed, and the two first semicircular plates 3 are rotated to make the two mounting plates 13 move away from each other, and then the first semicircular plates 3 rotate along the inner wall of the semicircular slide groove 10 and drive the corresponding adjusting toothed ring 4 to rotate, and then the first semicircular plate 3 drives the corresponding arc groove 15 to engage with the arc block 16, and the adjusting toothed ring 4 drives the corresponding adjusting rack 6 to slide so that the two adjusting racks 6 are close to each other, and then drives the corresponding slide plate 5 to slide, so that the T-shaped limit rail 12 slides along the T-shaped limit groove 11, and then drives the corresponding dial The movable plate 8 slides with a tendency to approach each other, and then the toggle plate 8 pushes the second semicircular plate 7 to slide upward until the two toggle plates 8 are in contact with the limit plate 24. During the upward sliding process of the second semicircular plate 7, the guide plate 25 is driven to slide upward along the guide groove 18. At the same time, the second semicircular plate 7 drives the reset plate 22 to slide upward, thereby relaxing the reset spring 23, and then driving the arc-shaped supporting plate 19 to slide upward to support the fan blade shaft 20. At this time, the fan blade shaft 20 can be removed. After removing the fan blade shaft 20, the elastic force of the reset spring 23 keeps the reset plate 22 in a raised state.

[0043] This embodiment utilizes a reset spring 23 and a reset plate 22. When the fan shaft 20 needs to be removed, the two first semicircular plates 3 are reversed to make the various components move in the opposite direction. After the fan shaft 20 is removed, the elastic force of the reset spring 23 keeps the reset plate 22 in an upward state, that is, the device returns to its original position, which is convenient for installation and disassembly.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A fan blade bearing seat that is easy to install and disassemble, comprising a mounting box (1); characterized in that: The surface of the installation box (1) is provided with a first semicircular groove (2); first semicircular plates (3) are rotatably provided on two opposite inner walls of the first semicircular groove (2); and an adjusting toothed ring (4) is fixed on the side of the first semicircular plate (3); Slide plates (5) are slidably provided on two opposite inner walls of the installation box (1); the sliding directions of the two slide plates (5) are opposite; an adjustment rack (6) is fixed on the side of the slide plate (5); the adjustment rack (6) is meshed with an adjacent adjustment gear ring (4); A guide plate (25) is slidably provided through the inner bottom surface of the first semicircular groove (2); a second semicircular plate (7) is fixed to the bottom surface of the guide plate (25); A toggle plate (8) is fixed to the side surface of the adjusting rack (6); the side surface of the toggle plate (8) is adapted to the peripheral side surface of the second semicircular plate (7).

2. A fan blade bearing seat that is easy to install and disassemble according to claim 1, characterized in that: A third semicircular plate (9) is fixed between two opposite inner walls of the first semicircular groove (2); the radius of the third semicircular plate (9) is smaller than the radius of the first semicircular groove (2); the gap between the third semicircular plate (9) and the first semicircular groove (2) forms a semicircular sliding groove (10); and the inner circumferential side surface of the first semicircular plate (3) is matched with the inner top surface of the semicircular sliding groove (10).

3. The fan blade bearing seat that is easy to install and disassemble according to claim 1 is characterized in that: Two opposite inner walls of the installation box (1) are provided with T-shaped limit grooves (11); a T-shaped limit rail (12) which is slidably matched with the T-shaped limit groove (11) is fixed on the side of the slide plate (5); and the two T-shaped limit grooves (11) are arranged symmetrically with respect to the center.

4. The fan blade bearing seat that is easy to install and disassemble according to claim 1 is characterized in that: A mounting plate (13) is fixed to the side of the first semicircular plate (3); a plurality of arc-shaped plates (14) are symmetrically arranged on the side of the mounting plate (13); a gap between two adjacent arc-shaped plates (14) forms an arc-shaped groove (15); a plurality of arc-shaped blocks (16) are symmetrically fixed to the inner wall of the first semicircular groove (2); and the arc-shaped blocks (16) are plug-fitted into the arc-shaped groove (15).

5. The fan blade bearing seat that is easy to install and disassemble according to claim 1 is characterized in that: Two connecting grooves (17) are symmetrically formed through the top surface of the installation box (1); the saw teeth on the adjusting toothed ring (4) and the adjusting rack (6) are in contact and mesh with each other through the connecting grooves (17); a guide groove (18) is formed through the bottom surface of the first semicircular groove (2); and the guide plate (25) is slidably arranged between the inner walls of the guide groove (18).

6. The fan blade bearing seat that is easy to install and disassemble according to claim 4 is characterized in that: An arc-shaped support plate (19) is fixed on the surface of the guide plate (25); a fan shaft (20) is placed on the inner circumferential side of the arc-shaped support plate (19); a second semicircular groove (21) is opened on the surface of the installation box (1); the inner circumferential side of the first semicircular plate (3), the inner circumferential side of the arc-shaped support plate (19), the inner circumferential side of the arc block (16) and the inner wall of the second semicircular groove (21) are all compatible with the circumferential side of the fan shaft (20).

7. The fan blade bearing seat that is easy to install and disassemble according to claim 1 is characterized in that: A reset plate (22) is fixed to the side surface of the second semicircular plate (7); the reset plate (22) is slidably arranged between two opposite inner walls of the installation box (1); a reset spring (23) is connected between the reset plate (22) and the inner bottom surface of the installation box (1); two limit plates (24) are symmetrically fixed to the side surface of the second semicircular plate (7) on both sides of the reset plate (22); the limit plates (24) are adapted to the side surfaces of the toggle plate (8).

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