Direct-current fan shaft core

Abstract

The utility model belongs to the technical field of fan shaft cores, and particularly relates to a direct-current fan shaft core which comprises a shaft body, the shaft body comprises a shaft core rod and an end rod, an installation assembly is arranged between the center of the shaft core rod and the center of the end rod, and the shaft core rod and the end rod are installed through the installation assembly. The opposite sides of the shaft core rod and the end rod are attached, a limiting assembly is jointly arranged between the shaft core rod and the interior of the end rod, and a handle assembly is jointly arranged between the right side of the interior of the end rod and the right side of the exterior of the end rod. According to the fan shaft core, the end rod and the shaft core rod can be conveniently mounted and dismounted through threaded connection of the threaded rod and the threaded hole, and the end of the fan shaft core is conveniently dismounted and replaced through the modular design, so that when a bearing or an impeller mounted at the end breaks down, the fan shaft core does not need to be wholly dismounted and replaced; and only the end rods need to be detached and replaced, so that the fan shaft core can meet more use requirements, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan shaft core technical field, specifically a kind of direct current fan shaft core. BACKGROUND

[0002] Direct current fan refers to the input direct current, makes direct current motor rotate to drive fan impeller rotation, to realize direct current to mechanical energy conversion process. Fan shaft core is a key component in fan system, usually used to connect the rotor of fan and motor, drives the work of fan by rotation. Direct current fan shaft core refers to the key component in direct current fan, connecting motor and fan impeller, it is mainly responsible for transmitting the rotating power of motor, and through bearing support rotor, realize the operation of fan. Shaft core plays a very important role in direct current fan, ensures that fan works efficiently and stably.

[0003] However, most of the existing direct current fan shaft core has the disadvantages of local failure leading to overall replacement when in use, which makes it necessary to replace the entire shaft core when a part fails, especially the bearing or impeller is damaged, not only wasting resources, but also increasing the complexity of operation and maintenance time, so that the fan shaft core is not strong in practicality, therefore, a direct current fan shaft core is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In order to make up for the shortcomings of the prior art, the problem that most of the existing direct current fan shaft core has the disadvantages of local failure leading to overall replacement when in use, which makes it necessary to replace the entire shaft core when a part fails, especially the bearing or impeller is damaged, not only wasting resources, but also increasing the complexity of operation and maintenance time, so that the fan shaft core is not strong in practicality, is solved, and a direct current fan shaft core is provided.

[0005] The technical scheme adopted by the utility model to solve its technical problems is: a direct current fan shaft core provided by the utility model, comprising a shaft body;

[0006] The shaft body comprises a shaft core rod and an end rod, and a mounting assembly is arranged between the centers of the shaft core rod and the end rod, the shaft core rod and the end rod are mounted through the mounting assembly, and the opposite sides of the shaft core rod and the end rod are attached.

[0007] A limiting assembly is arranged between the interiors of the shaft core rod and the end rod, a handle assembly is arranged between the right interior and the right exterior of the end rod, and the handle assembly and the limiting assembly are mounted.

[0008] Preferably, the mounting assembly comprises a threaded rod fixedly connected at the left center of the end rod, a threaded hole is formed in the right side of the inner shaft core rod, the threaded hole extends from the inside to the outside, and the threaded rod is screwed with the threaded hole.

[0009] Preferably, the limiting assembly comprises a limiting groove one formed in the inner shaft core rod, a limiting groove two is formed in the inner end rod, the opposite sides of the inner limiting groove one and the inner limiting groove two extend to the outside, and the limiting rod is inserted into the inner limiting groove one and the inner limiting groove two.

[0010] Preferably, the handle assembly comprises a through-type insertion slot formed in the right side of the inner limiting groove two, a sealing plug is inserted into the insertion slot, an installation slot is formed in the left side of the sealing plug, a connecting rod is fixedly connected in the installation slot, the connecting rod is fixedly connected with the limiting rod, the right side of the sealing plug penetrates the right side of the end rod, and a handle plate is fixedly connected to the right side of the sealing plug.

[0011] Preferably, the sealing plug is made of rubber material, and the left side of the handle plate is matched with the right side of the end rod.

[0012] Preferably, the vertical section of the limiting rod, the vertical section of the limiting groove one and the vertical section of the limiting groove two are all rectangular.

[0013] Preferably, a plurality of insertion holes are uniformly distributed on the right side of the handle plate.

[0014] The utility model discloses a beneficial effect lies in:

[0015] 1. The threaded connection of the threaded rod and the threaded hole can facilitate the installation and disassembly of the end rod and the shaft core rod, and the modular design of the fan shaft core facilitates the disassembly and replacement of the end, so that when the bearing or impeller installed at the end fails, the whole fan shaft core does not need to be disassembled and replaced, and only the end rod needs to be disassembled and replaced, so that the fan shaft core can meet more use requirements, and the practicability is higher.

[0016] 2. The limiting rod is inserted into the inner limiting groove one and the inner limiting groove two to limit the shaft core rod and the end rod, the connecting rod between the shaft core rod and the end rod is more stable, the overall use effect of the fan shaft core is not affected, the limiting rod moves when the handle plate moves to drive the sealing plug to move, the limiting rod moves out of the inner limiting groove one and the inner limiting groove two to be separated from the limiting, and the end rod and the shaft core rod are disassembled and separated. DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described in the following are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure in the embodiment one.

[0019] Figure 2 It is a schematic diagram of the local cross-sectional structure in the embodiment one.

[0020] Figure 3 It is a schematic diagram of the embodiment one. Figure 2 It is a schematic diagram of the enlarged structure at A in the embodiment one.

[0021] Figure 4 It is a schematic diagram of the embodiment one. Figure 2 It is a schematic diagram of the enlarged structure at B in the embodiment one.

[0022] Figure 5 It is a schematic diagram of the jack structure in the embodiment two.

[0023] In the figure: 1, shaft body; 101, shaft core rod; 102, end rod; 2, handle plate; 3, threaded rod; 4, threaded hole; 5, limiting groove one; 6, limiting rod; 7, limiting groove two; 8, insertion slot; 9, sealing plug; 10, mounting groove; 11, connecting rod; 12, jack. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Embodiment one

[0026] Please refer to Figures 1-4 A direct current fan shaft core, as shown in the figure, comprises a shaft body 1.

[0027] The shaft body 1 comprises a shaft core rod 101 and an end rod 102, and an installation assembly is arranged between the centers of the shaft core rod 101 and the end rod 102. The shaft core rod 101 and the end rod 102 are installed through the installation assembly, and the opposite sides of the shaft core rod 101 and the end rod 102 are attached.

[0028] The limiting assembly is arranged between the inside of the shaft core rod 101 and the inside of the end rod 102, the handle assembly is arranged between the right side of the inside of the end rod 102 and the right side of the outside, and the handle assembly is installed with the limiting assembly; during work, the end rod 102 and the shaft core rod 101 are installed and disassembled through the installation assembly, so that the end rod 102 and the shaft core rod 101 are not disassembled and replaced as a whole when the impeller or bearing fixedly installed on the outer surface of the end rod 102 is damaged, the end rod 102 and the shaft core rod 101 installed through the installation assembly are more stable through the limiting assembly, the stability of the shaft body 1 during use is ensured, the limiting assembly is separated from the limiting through the handle assembly, and the disassembly of the installation assembly on the end rod 102 and the shaft core rod 101 is not affected.

[0029] The installation assembly comprises a threaded rod 3 fixedly connected at the left center of the end rod 102, a threaded hole 4 is arranged at the right side of the inside of the shaft core rod 101, the right side of the inside of the threaded hole 4 extends to the outside, and the threaded rod 3 is screwed with the threaded hole 4; during work, the threaded rod 3 and the threaded hole 4 are screwed to facilitate the installation and disassembly of the end rod 102 and the shaft core rod 101, and the fan shaft core is designed in a modular manner to facilitate the disassembly and replacement of the end, so that the fan shaft core can meet more use requirements and has high practicability.

[0030] The limiting assembly comprises a limiting groove one 5 arranged in the inside of the shaft core rod 101, a limiting groove two 7 arranged in the inside of the end rod 102, the opposite sides of the inside of the limiting groove one 5 and the limiting groove two 7 extend to the outside, and a limiting rod 6 is inserted between the inside of the limiting groove one 5 and the limiting groove two 7; during work, the limiting rod 6 is inserted into the limiting groove one 5 and the limiting groove two 7 to limit the shaft core rod 101 and the end rod 102, the connecting rod 11 between the shaft core rod 101 and the end rod 102 is more stable, and the overall use effect of the fan shaft core is not affected.

[0031] The handle assembly comprises a through-type insertion slot 8 arranged in the right side of the inside of the limiting groove two 7, a sealing plug 9 inserted into the insertion slot 8, an installation slot 10 arranged at the left side of the sealing plug 9, a connecting rod 11 fixedly connected in the inside of the installation slot 10, the connecting rod 11 fixedly connected with the limiting rod 6, the right side of the sealing plug 9 penetrating the right side of the end rod 102, and a handle plate 2 fixedly connected at the right side of the sealing plug 9; during work, the handle plate 2 is moved to drive the sealing plug 9 to move, the limiting rod 6 is moved, the limiting rod 6 is moved out of the limiting groove one 5 and the limiting groove two 7 to separate from the limiting, and the end rod 102 and the shaft core rod 101 are disassembled and separated.

[0032] The sealing plug 9 is made of rubber material, and the left side of the handle plate 2 is attached to the right side of the end rod 102; during operation, the sealing plug 9 is inserted into the insertion slot 8, and the handle plate 2 is stably attached to the end rod 102.

[0033] The vertical section of the limiting rod 6, the vertical section of the limiting slot one 5 and the vertical section of the limiting slot two 7 are all rectangular; during operation, the limiting rod 6 is inserted into the limiting slot one 5 and the limiting slot two 7, and the limiting effect is good.

[0034] Embodiment two

[0035] Please refer to Figure 5 As another embodiment of the present application, the handle plate 2 is provided with a plurality of insertion holes 12 on the right side; during operation, the handle plate 2 is moved by inserting fingers or external tools into the insertion holes 12, so as to facilitate the movement of the handle plate 2.

[0036] In the description of the present application, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present application, the illustrative description 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.

[0037] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A direct current fan shaft core, comprising a shaft body (1); characterized in that The shaft body (1) comprises a shaft core rod (101) and a head rod (102), a mounting assembly is arranged between the centers of the shaft core rod (101) and the head rod (102), the shaft core rod (101) and the head rod (102) are mounted through the mounting assembly, and the opposite sides of the shaft core rod (101) and the head rod (102) are attached. A limiting assembly is arranged between the interiors of the shaft core rod (101) and the head rod (102), and a handle assembly is arranged between the right interior and the right exterior of the head rod (102), and the handle assembly and the limiting assembly are mounted.

2. A shaft core for a direct current fan according to claim 1, wherein: The mounting assembly comprises a threaded rod (3) fixedly connected to the left center of the head rod (102), a threaded hole (4) is formed in the right interior of the shaft core rod (101), the right interior of the threaded hole (4) extends to the exterior, and the threaded rod (3) is threadedly connected with the threaded hole (4).

3. A shaft core for a direct current fan according to claim 2, wherein: The limiting assembly comprises a limiting groove one (5) formed in the interior of the shaft core rod (101), a limiting groove two (7) formed in the interior of the head rod (102), the opposite sides of the interiors of the limiting groove one (5) and the limiting groove two (7) extend to the exterior, and a limiting rod (6) is inserted between the interior of the limiting groove one (5) and the interior of the limiting groove two (7).

4. A shaft core for a direct current fan according to claim 3, wherein: The handle assembly comprises a through-type insertion slot (8) formed in the right interior of the limiting groove two (7), a sealing plug (9) is inserted into the insertion slot (8), an installation slot (10) is formed in the left side of the sealing plug (9), a connecting rod (11) is fixedly connected to the interior of the installation slot (10), the connecting rod (11) is fixedly connected with the limiting rod (6), the right side of the sealing plug (9) penetrates the right side of the head rod (102), and a handle plate (2) is fixedly connected to the right side of the sealing plug (9).

5. A direct current fan shaft core as defined in claim 4, wherein: The sealing plug (9) is made of rubber material, and the left side of the handle plate (2) is attached to the right side of the head rod (102).

6. A direct current fan shaft core according to claim 5, wherein: The vertical section of the limiting rod (6) and the vertical sections of the limiting groove one (5) and the limiting groove two (7) are all rectangular.

7. A direct current fan shaft core as defined in claim 6, wherein: A plurality of insertion holes (12) are formed in the right side of the handle plate (2).

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