Cooling fan convenient to maintain

By designing a cooling fan for easy maintenance, the disassembly parts are used to achieve convenient disassembly and installation of the protective frame, solving the problem of troubles in repairing existing cooling fans and improving the convenience and safety of maintenance.

CN222141562UActive Publication Date: 2024-12-10ZHEJIANG MINGXIN FLUID MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420612394.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-27
Publication Date
2024-12-10
Estimated Expiration
2034-03-27

AI Technical Summary

Technical Problem

The existing cooling fans need to loosen the bolts one by one during maintenance, which leads to troublesome repair process, and the motor is easily damaged by heat, the impeller is prone to accumulation of dirt, making it difficult to clean quickly.

Method used

A cooling fan is designed for easy maintenance. The protective frame is separated from the housing through the disassembly parts, so that the protective frame rotates along the rotation shaft. The disassembly parts include connecting plates, clamps, fixing blocks, limit blocks and springs to achieve protection. The rack is conveniently disassembled and installed, making it easy to repair the interior.

Benefits of technology

The maintenance process of cooling fans is simplified, the convenience and safety of maintenance is improved, the risk of thermal damage to the motor is reduced, and the impeller cleaning is more convenient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222141562U_ABST
    Figure CN222141562U_ABST
Patent Text Reader

Abstract

The utility model discloses a cooling fan convenient to maintain, and belongs to the technical field of cooling fans. A cooling fan convenient to maintain comprises a shell, a fixing plate, a motor, a connecting sleeve and fan blades. The motor is fixedly connected with the fixed plate; the connecting sleeve is fixedly connected with an output shaft of the motor; the fan blades are located on the circumference of the connecting sleeve and fixedly connected with the connecting sleeve. The connecting block is fixedly connected with the shell; the first rotating shaft is rotationally connected with the connecting block; the first rotating block is fixedly connected with the first rotating shaft; the protection frame is fixedly connected with the first rotating block; and the dismounting part is used for separating one side of the protection frame from the shell. The cooling fan has the beneficial effect that the cooling fan convenient to maintain is provided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The present application relates to the technical field of cooling fans, and in particular to a cooling fan that is easy to maintain. Background Art

[0002] Axial flow fan is a machine that can quickly discharge the high temperature gas in the cooling tower.

[0003] When the cooling fan is working, high-temperature polluted gas passes through the impeller and motor. The impeller is prone to accumulate a lot of dirt, and the motor is easily damaged by heat. Therefore, it is necessary to frequently open the fan cover of the axial flow fan to clean the impeller or repair the motor. The protective frame of the cooling fan on the market is connected to the wind tube of the axial flow fan by bolts. When maintenance is required, the bolts need to be loosened one by one, which makes maintenance more troublesome.

[0004] Therefore, a cooling fan which is easy to maintain is provided. Utility Model Content

[0005] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0006] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide a cooling fan that is easy to maintain, including: a shell, a fixed plate, a motor, a connecting sleeve and fan blades; the motor is fixedly connected to the fixed plate; the connecting sleeve is fixedly connected to the output shaft of the motor; the fan blades are located on the circumference of the connecting sleeve and are fixedly connected to the connecting sleeve; a connecting block is fixedly connected to the shell; a first rotating shaft is rotatably connected to the connecting block; a first rotating block is fixedly connected to the first rotating shaft; a protective frame is fixedly connected to the first rotating block; and a disassembly part is used to separate one side of the protective frame from the shell.

[0007] One side of the protection frame can be separated from the shell by the disassembly piece, so that the protection frame can be rotated along the first rotating shaft, so that the inside of the shell can be repaired, and the operation is more convenient.

[0008] Furthermore, the connecting block comprises a first avoidance groove; the first avoidance groove is used for the first rotating block to rotate.

[0009] Furthermore, the disassembly part includes: a first connecting plate, fixedly connected to the protective frame; a clamping block, fixedly connected to the first connecting plate; a fixed block, fixedly connected to the shell; a limit block, vertically slidably connected to the fixed block; wherein the limit block includes a limit groove; the limit groove is for the clamping block to be inserted.

[0010] Furthermore, the fixing block is provided with a first sliding groove extending along the height direction of the fixing block;

[0011] The limiting block moves along the first sliding groove.

[0012] Furthermore, the disassembly component also includes: a second connecting plate fixedly connected to the limiting block; and a push plate fixedly connected to the second connecting plate.

[0013] Furthermore, the limit block is located at one end of the second connecting plate; and the push plate is located at the other end of the second connecting plate.

[0014] Furthermore, the disassembly component also includes: a first spring, two ends of which are fixedly connected to the push plate and the fixed block respectively.

[0015] Furthermore, two first springs are provided, which are respectively located on two sides of the second connecting plate.

[0016] Furthermore, the connecting block is located on one side of the shell; and the fixing block is located on the other side of the shell.

[0017] Furthermore, the first rotating block is located on one side of the protective frame; and the first connecting plate is located on the other side of the protective frame.

[0018] The beneficial effect of the present application is that a cooling fan that is easy to maintain is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The drawings and descriptions of the exemplary embodiments of this application are used to explain this application and do not constitute an improper limitation on this application.

[0020] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0021] In the attached picture:

[0022] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0023] Figure 2 It is a structural schematic diagram of a part of the embodiment, mainly showing the structure of the fan blade;

[0024] Figure 3 yes Figure 2 The enlarged view of part A mainly shows the structure of the first connecting plate and the card block;

[0025] Figure 4 yes Figure 2The enlarged view of part B mainly shows the structure of the first rotating block and the first avoiding groove;

[0026] Figure 5 yes Figure 2 The enlarged view of part C mainly shows the structure of the first slide groove and the limiting groove.

[0027] Reference numerals:

[0028] 100. Cooling fan for easy maintenance; 101. Housing; 102. Fixing plate; 103. Motor; 104. Connecting sleeve;

[0029] 105, fan blade; 106, connecting block; 106a, first air-avoiding groove; 107, first rotating shaft; 108, first rotating block;

[0030] 109, protective frame; 110, first connecting plate; 112, clamping block; 113, fixing block; 113a, first sliding groove; 114, limiting block; 114a, limiting groove; 115, second connecting plate; 116, pushing plate; 117, first spring. DETAILED DESCRIPTION

[0031] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0032] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0033] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0034] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0035] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0036] Reference Figure 1-5A cooling fan 100 that is easy to maintain includes: a housing 101, a fixing plate 102, a motor 103, a connecting sleeve 104, a fan blade 105, a connecting block 106, a first rotating shaft 107, a first rotating block 108, a protective frame 109, and a disassembly member for fixing the protective frame 109 to the housing 101. The fixing plate 102 is located at one end of the protective frame 109 and is fixedly connected to the protective frame 109. The motor 103 is fixedly connected to the fixing plate 102. A plurality of fixing plates 102 are provided, which are respectively located in the circumferential direction of the motor 103.

[0037] The connecting sleeve 104 is fixedly connected to the output shaft of the motor 103. The fan blade 105 is located on the circumference of the connecting sleeve 104 and is fixedly connected to the connecting sleeve 104. The connecting block 106 is fixedly connected to the housing 101. The first rotating shaft 107 is rotatably connected to the connecting block 106. The first rotating block 108 is fixedly connected to the first rotating shaft 107. The protective frame 109 is fixedly connected to the first rotating block 108. The connecting block 106 includes a first avoiding groove 106a, and the first avoiding groove 106a is for the first rotating block 108 to rotate.

[0038] The disassembly part is used to separate one side of the protective frame 109 from the housing 101, and includes: a first connecting plate 110, a clamping block 112, a fixed block 113, a limiting block 114, a second connecting plate 115, a push plate 116, and a first spring 117. The first connecting plate 110 is fixedly connected to the protective frame 109. The clamping block 112 is fixedly connected to the first connecting plate 110. The fixed block 113 is fixedly connected to the housing 101. The limiting block 114 is vertically slidably connected to the fixed block 113. Specifically, the fixed block 113 is provided with a first slide groove 113a extending along the height direction of the fixed block 113, and the limiting block 114 moves along the first slide groove 113a. The second connecting plate 115 is fixedly connected to the limiting block 114. The push plate 116 is fixedly connected to the second connecting plate 115. The limiting block 114 is located at one end of the second connecting plate 115, and the push plate 116 is located at the other end of the second connecting plate 115.

[0039] The two ends of the first spring 117 are fixedly connected to the push plate 116 and the fixed block 113 respectively. Two first springs 117 are provided, which are respectively located on both sides of the second connecting plate 115. Among them, the clamping block 112 is a T-shaped block, and the limiting block 114 includes a limiting groove 114a, which is a T-shaped groove, and the limiting groove 114a is for the clamping block 112 to be inserted. The connecting block 106 is located on one side of the housing 101, and the fixed block 113 is located on the other side of the housing 101. The first rotating block 108 is located on one side of the protective frame 109, and the first connecting plate 110 is located on the other side of the protective frame 109. The push plate 116 is pushed, and the movement of the push plate 116 drives the second connecting plate 115 to move, and the movement of the second connecting plate 115 drives the limiting block 114 to move along the first sliding groove 113a, so that the blocking block 112 is disengaged from the limiting groove 114a of the limiting block 114, and the first connecting plate 110 can be separated from the fixing block 113, so that the protective frame 109 is rotated, and the disassembly is more convenient, and it is more convenient to repair the internal.

[0040] Working process: push the push plate 116, the movement of the push plate 116 drives the second connecting plate 115 to move, the movement of the second connecting plate 115 drives the limiting block 114 to move along the first slide groove 113a, so that the blocking block 112 is disengaged from the limiting groove 114a of the limiting block 114, and the first connecting plate 110 can be separated from the fixing block 113, so as to rotate the protective frame 109, which makes disassembly more convenient and more convenient for internal maintenance. After the maintenance is completed, rotate the protective frame 109 and then push the push plate 116. The movement of the push plate 116 drives the second connecting plate 115 to move. The movement of the second connecting plate 115 drives the limit block 114 to move along the first slide groove 113a, and then the first connecting plate 110 is abutted against the fixed block 113. Then release the push plate 116. Under the action of the first spring 117, the limit block 114 will be inserted into the card block 112 (the card block 112 is located in the limit groove 114a), so that the first connecting plate 110 is fixed to the fixed block 113, so that the protective frame 109 is fixed to the shell 101, and the installation is more convenient.

[0041] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A cooling fan that is easy to maintain, comprising: A housing, a fixing plate, a motor, a connecting sleeve and a fan blade; the connecting sleeve is fixedly connected to the output shaft of the motor; The fan blades are located on the circumference of the connecting sleeve and are fixedly connected to the connecting sleeve; Features: The cooling fan that is easy to maintain also includes: A connecting block, fixedly connected to the housing; A first rotating shaft, rotatably connected to the connecting block; A first rotating block, fixedly connected to the first rotating shaft; A protective frame, fixedly connected to the first rotating block; Disassembly part, used to separate one side of the protective frame from the shell.

2. The cooling fan easy to maintain according to claim 1, characterized in that: The connecting block comprises a first avoidance groove; The first avoidance groove is used for the first rotating block to rotate.

3. The cooling fan easy to maintain according to claim 2, characterized in that: The disassembly parts include: A first connecting plate, fixedly connected to the protective frame; A clamping block, fixedly connected to the first connecting plate; A fixed block, fixedly connected to the shell; A limiting block is vertically slidably connected to the fixed block; Wherein, the limiting block comprises a limiting groove; the limiting groove is for the card block to be inserted.

4. The cooling fan easy to maintain according to claim 3 is characterized in that: The fixing block is provided with a first sliding groove extending along the height direction of the fixing block; The limiting block moves along the first sliding groove.

5. The cooling fan easy to maintain according to claim 4 is characterized in that: The disassembly member also includes: A second connecting plate, fixedly connected to the limiting block; The push plate is fixedly connected to the second connecting plate.

6. The cooling fan easy to maintain according to claim 5, characterized in that: The limit block is located at one end of the second connecting plate; The push plate is located at the other end of the second connecting plate.

7. The cooling fan easy to maintain according to claim 6, characterized in that: The disassembly member also includes: The first spring has two ends fixedly connected to the push plate and the fixed block respectively.

8. The cooling fan easy to maintain according to claim 7, characterized in that: There are two first springs, which are respectively located on both sides of the second connecting plate.

9. The cooling fan easy to maintain according to claim 8, characterized in that: The connecting block is located on one side of the housing; The fixing block is located at the other side of the housing.

10. The cooling fan easy to maintain according to claim 9, characterized in that: The first rotating block is located on one side of the protective frame; The first connecting plate is located on the other side of the protection frame.