Fan shaft core iron disc convenient to assemble

Abstract

The utility model belongs to the field of fans, and particularly relates to a fan shaft core iron disc convenient to assemble, which comprises an iron disc body, a plurality of groups of sliding chutes are arranged on the iron disc body, a mounting block is mounted in each group of sliding chutes in a sliding manner, a conical guide plate is fixedly mounted on the surface of each mounting block, a retaining side is fixedly connected to the side edge of the iron disc body, and the retaining side is fixedly connected to the side edge of the iron disc body. The blocking edge and the front face of the iron plate form a step shape, an inlet of the sliding groove is formed in the side wall of the step position, a limiting ring is installed on the blocking edge, and the limiting ring is fixedly installed above the blocking edge through a fixing bolt. According to the utility model, the conical guide plate can be quickly mounted on the iron pan body, the operation is simple, and the mounting speed is high; in addition, a certain damaged conical flow guide plate can be replaced only by taking down the limiting ring, so that materials are saved, and the replacement efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of fans, and particularly to a fan shaft core iron disc which is convenient for assembly. Background Technique

[0002] The fan shaft core iron disc refers to an annular metal disc installed on the axis of the fan rotor. Its main function is to reliably connect the axis with the rotor blades, increasing the rigidity and stability of the entire rotor structure. However, the existing rotor blades are often installed on the surface of the iron disc by screws or welding, or fixedly arranged on the iron disc. The fixedly arranged blades have the disadvantages of being inconvenient for disassembly, assembly and maintenance. The impellers installed on the surface of the iron disc by screws or welding are often integrally arranged. When the corners of the blades are severely worn or dropped, the entire blade needs to be replaced, increasing the use cost. Therefore, in view of the above problems, a fan shaft core iron disc which is convenient for assembly is proposed. Content of the Utility Model

[0003] In order to make up for the deficiencies of the prior art and solve the problems that the existing rotor blades are often installed on the surface of the iron disc by screws or welding, or fixedly arranged on the iron disc. The fixedly arranged blades have the disadvantages of being inconvenient for disassembly, assembly and maintenance. The impellers installed on the surface of the iron disc by screws or welding are often integrally arranged. When the corners of the blades are severely worn or dropped, the entire blade needs to be replaced, increasing the use cost, the utility model proposes a fan shaft core iron disc which is convenient for assembly.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a fan shaft core iron disc which is convenient for assembly, including an iron disc body. A plurality of groups of sliding grooves are opened on the iron disc body. An installation block is slidably installed inside each group of sliding grooves. A conical guide plate is fixedly installed on the surface of the installation block. A baffle is fixedly connected to the side of the iron disc body. The baffle and the front of the iron disc form a stepped shape. The entrance of the sliding groove is arranged on the side wall of the stepped position. A limiting ring is installed on the baffle. The limiting ring is fixedly installed above the baffle through a fixing bolt.

[0005] Preferably, positioning blocks are symmetrically and fixedly installed on the side wall of the limiting ring. Positioning grooves are opened at corresponding positions on the baffle. The positioning blocks are adapted to the positioning grooves.

[0006] Preferably, chamfers are arranged at both ends of the positioning block.

[0007] Preferably, an installation groove is opened at the top of the installation block. An insertion block is fixedly installed at the bottom of the conical guide plate. The insertion block is slidably inserted into the installation groove.

[0008] Preferably, a transverse groove is provided at the bottom of the installation groove. An adjusting bolt is rotatably installed in the middle of the transverse groove. One end of the adjusting bolt extends into the sunk groove at the end of the installation block. The thread directions at both ends of the adjusting bolt are opposite. Vertical plates are respectively threadedly connected to both ends of the adjusting bolt. The tops of the vertical plates on both sides extend into the movable cavity opened at the bottom of the insertion block. Card slots are opened on the inner walls of both sides of the movable cavity. Clamping blocks are fixedly connected to the tops of the opposite sides of the vertical plates on both sides. The clamping blocks are adapted to the card slots.

[0009] Preferably, the bottom end of the vertical plate is in contact with the bottom of the installation groove.

[0010] Preferably, a rotating block is fixedly connected to the adjusting bolt. A rotating groove is opened in the middle of the transverse groove. The rotating block is rotatably arranged in the rotating groove.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. By providing structures such as a sliding groove, an installation block, and a limiting ring, the conical deflector can be quickly installed on the iron plate body. The plurality of installation blocks and the conical deflector are sequentially slid and inserted into the sliding groove. The cross-sections of the sliding groove and the installation block are both T-shaped, so that the installation block is stably clamped in the sliding groove. Then, the limiting ring is clamped on the baffle edge, and finally, the limiting ring and the baffle edge are fixed by fixing bolts, and the overall assembly can be completed. The operation is simple and the installation rate is fast. In addition, only by removing the limiting ring, a damaged conical deflector can be replaced, so as to save materials and the replacement efficiency is high.

[0013] 2. By providing structures such as an insertion block, an installation groove, an adjusting bolt, a vertical plate, a clamping block, and a card slot, the conical deflector can be installed on the installation block. Due to the friction force between the insertion block and the side wall of the installation groove, the insertion block is stably inserted into the installation groove. The replacement of the conical deflector is convenient through the insertion structure. And by using an inner hexagon bolt to rotate the adjusting bolt, during the rotation of the adjusting bolt, the vertical plates at both ends are pushed to move towards both sides, and then the clamping blocks at the tops are driven to be inserted into the card slots, so as to stably limit the insertion block inside the installation groove and prevent the conical deflector from falling off. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1;

[0016] Figure 2 Schematic diagram of the bottom structure of the first embodiment;

[0017] Figure 3 Schematic diagram of the rib structure of the first embodiment;

[0018] Figure 4 Cross-sectional view of the connection position of the mounting block and the conical deflector of the second embodiment.

[0019] In the figure: 1, iron plate body; 2, limiting ring; 3, mounting block; 4, conical deflector; 5, positioning groove; 6, positioning block; 7, fixing bolt; 8, rib; 9, sliding groove; 10, mounting groove; 11, rotating groove; 12, rotating block; 13, vertical plate; 14, clamping block; 15, clamping groove; 16, inserting block; 17, movable cavity; 18, adjusting bolt. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0021] First embodiment

[0022] Please refer to Figures 1-3 As shown, a blower shaft core iron plate convenient for assembly includes an iron plate body 1. A plurality of sliding grooves 9 are formed on the iron plate body 1. A mounting block 3 is slidably installed inside each group of sliding grooves 9. A conical deflector 4 is fixedly installed on the surface of the mounting block 3. A rib 8 is fixedly connected to the side of the iron plate body 1. The rib 8 and the front of the iron plate form a stepped shape. The entrance of the sliding groove 9 is arranged on the side wall of the stepped position. A limiting ring 2 is installed on the rib 8. The limiting ring 2 is fixedly installed above the rib 8 through a fixing bolt 7. During operation, during assembly, first remove the limiting ring 2, and then sequentially slide and insert a plurality of mounting blocks 3 and conical deflectors 4 into the sliding grooves 9. The cross-sections of the sliding grooves 9 and the mounting blocks 3 are both set to be T-shaped, so that the mounting blocks 3 are stably clamped in the sliding grooves 9. Then, snap the limiting ring 2 onto the rib 8, and finally fix the limiting ring 2 and the rib 8 through the fixing bolt 7 to complete the overall assembly. The operation is simple and the installation rate is fast. In addition, only by removing the limiting ring 2, a damaged conical deflector 4 can be replaced, so as to save materials and the replacement efficiency is high.

[0023] On the side wall of the limiting ring 2, positioning blocks 6 are symmetrically and fixedly installed. Corresponding positioning grooves 5 are formed at the corresponding positions on the baffle 8, and the positioning blocks 6 are adapted to the positioning grooves 5. During operation, through the cooperation of the positioning blocks 6 and the positioning grooves 5, when the limiting ring 2 is clamped on the baffle 8, the mounting holes for the fixing bolts 7 on the limiting ring 2 can be aligned with the mounting holes on the baffle 8, facilitating the quick installation of the fixing bolts 7.

[0024] Preferably, chamfers are provided at both ends of the positioning block 6. During operation, it is convenient for the positioning block 6 to be quickly inserted into the positioning groove 5.

[0025] Embodiment 2

[0026] Please refer to Figure 4 As shown, compared with Embodiment 1, as another implementation manner of the present utility model, an installation groove 10 is formed at the top of the mounting block 3, and a plug block 16 is fixedly installed at the bottom of the conical deflector 4. The plug block 16 is slidably inserted into the installation groove 10. During operation, due to the frictional force between the plug block 16 and the side wall of the installation groove 10, the plug block 16 is stably inserted into the installation groove 10, and the conical deflector 4 can be conveniently replaced through the plugging structure.

[0027] A transverse groove is provided at the bottom of the installation groove 10. An adjusting bolt 18 is rotatably installed in the middle of the transverse groove. One end of the adjusting bolt 18 extends into the sunk groove at the end of the mounting block 3. The thread directions at both ends of the adjusting bolt 18 are opposite. Two vertical plates 13 are respectively threadedly connected to both ends of the adjusting bolt 18. The tops of the two vertical plates 13 extend into the movable cavity 17 formed at the bottom of the plug block 16. Card slots 15 are formed on the inner walls of both sides of the movable cavity 17. A clamping block 14 is fixedly connected to the top of the opposite sides of the two vertical plates 13. The clamping block 14 is adapted to the card slot 15. During operation, an inner hexagon bolt is used to rotate the adjusting bolt 18. During the rotation of the adjusting bolt 18, the two vertical plates 13 at both ends are pushed to move towards both sides, and then the top clamping blocks 14 are driven to be inserted into the card slots 15, thereby stably restricting the plug block 16 inside the installation groove 10 and preventing the conical deflector 4 from falling off.

[0028] The bottom end of the vertical plate 13 is in contact with the bottom of the installation groove 10. During operation, it is convenient to limit the rotation of the vertical plate 13 so that the vertical plate 13 can only move along the axial direction of the adjusting bolt 18.

[0029] A rotating block 12 is fixedly connected to the adjusting bolt 18. A rotating groove 11 is formed in the middle of the transverse groove. The rotating block 12 is rotatably arranged in the rotating groove 11. During operation, it is convenient to rotatably install the adjusting bolt 18 inside the transverse groove.

[0030] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0031] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and the above embodiments and the descriptions in the specification only illustrate the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A fan shaft core iron plate that is easy to assemble, characterized in that: The invention comprises an iron plate body (1), wherein a plurality of groups of slide grooves (9) are provided on the iron plate body (1), a mounting block (3) is slidably mounted inside each group of the slide grooves (9), a conical guide plate (4) is fixedly mounted on the surface of the mounting block (3), a retaining edge (8) is fixedly connected to the side of the iron plate body (1), the retaining edge (8) and the front of the iron plate form a step shape, the entrance of the slide groove (9) is arranged on the side wall at the step position, a limiting ring (2) is installed on the retaining edge (8), and the limiting ring (2) is fixedly mounted above the retaining edge (8) by means of fixing bolts (7).

2. The fan shaft core iron plate that is easy to assemble according to claim 1 is characterized in that: A positioning block (6) is symmetrically fixedly mounted on the side wall of the limiting ring (2), a positioning groove (5) is provided at a corresponding position on the retaining edge (8), and the positioning block (6) is adapted to the positioning groove (5).

3. The fan shaft core iron plate that is easy to assemble according to claim 2 is characterized by: Both ends of the positioning block (6) are provided with chamfers.

4. The fan shaft core iron plate that is easy to assemble according to claim 3 is characterized by: The top of the mounting block (3) is provided with a mounting groove (10), and the bottom of the conical guide plate (4) is fixedly provided with an insert block (16), and the insert block (16) is slidably inserted in the mounting groove (10).

5. The fan shaft core iron plate that is easy to assemble according to claim 4 is characterized in that: A transverse groove is provided at the bottom of the installation groove (10), and an adjusting bolt (18) is rotatably installed in the middle of the transverse groove. One end of the adjusting bolt (18) extends into a recessed groove at the end of the installation block (3). The threads of the two ends of the adjusting bolt (18) are in opposite directions. The two ends of the adjusting bolt (18) are respectively threadedly connected with vertical plates (13). The top ends of the vertical plates (13) on both sides extend into a movable cavity (17) provided at the bottom of the insert block (16). The inner walls of the movable cavity (17) on both sides are provided with clamping grooves (15). The top ends of the opposite sides of the vertical plates (13) on both sides are fixedly connected with clamping blocks (14), and the clamping blocks (14) are adapted to the clamping grooves (15).

6. The fan shaft core iron plate that is easy to assemble according to claim 5 is characterized by: The bottom end of the vertical plate (13) is in contact with the bottom of the installation groove (10).

7. The fan shaft core iron plate that is easy to assemble according to claim 6 is characterized by: A rotating block (12) is fixedly connected to the adjusting bolt (18), a rotating groove (11) is provided in the middle of the transverse groove, and the rotating block (12) is rotatably arranged in the rotating groove (11).

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