Aerator with protection function

By designing guardrails and protective mechanisms on the aerator, the problem that the aerator is prone to get involved in weeds or plastic bags when working in water is solved, and effective protection of the device and reduction of impact force is achieved.

CN222639449UActive Publication Date: 2025-03-21HENAN ZHONGKE TONGBO INTELLIGENT FLUID EQUIP CO LTD
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Patent Information

Application Number
CN202420698476.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-08
Publication Date
2025-03-21
Estimated Expiration
2034-04-08

AI Technical Summary

Technical Problem

When existing aerator works in water, it is easy to roll weeds or plastic bags in the water into the device, resulting in damage.

Method used

An oxygen-enhancing machine with protective function is designed, and a guardrail and a protective mechanism is used. The guardrail is fixed to the connecting column through a first protective mechanism. The second protective mechanism includes a sliding assembly and a fixing assembly. The protective plate moves downward when impacted and avoids shock through a spring to reduce impact force.

Benefits of technology

It effectively prevents weeds or plastic bags from entering the aerator, protects the device from damage, and reduces damage to the protective plate through spring shock absorption.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of aerators, and discloses an aerator with a protection function, the surface of a motor is fixedly connected with a connecting column, the bottom of the connecting column is fixedly connected with a floating block, the surface of an output shaft of the motor is fixedly connected with fan blades, and the top of a protective fence is provided with a first protection mechanism. And a second protection mechanism is arranged at the top of the connecting column. Through a first protection mechanism, a protective fence is attached to the bottom of a connecting column through a first concave block, a second concave block is moved upwards, a first connecting hole of the second concave block is rotated to the position coinciding with a threaded hole, then the second concave block is loosened, and the bottom of the second concave block can be attached to the top of the connecting column through the elastic force of a first spring; the second concave blocks and the first concave blocks are fixed through bolts, so that the protective fence is fixed, when the device works, weeds or plastic belts in water cannot be rolled into the device through rotation of the fan blades, and the protective fence plays a role in protecting the device.
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Description

Technical Field

[0001] The utility model relates to the technical field of oxygenators, in particular to an oxygenator with a protection function. Background Art

[0002] An aerator is a device that uses a power source such as an electric motor or a diesel engine to drive working parts, so that oxygen in the air is quickly transferred to the aquaculture water.

[0003] According to patent CN 218681313 U, an aerator with a protective function includes a floating plate, a mounting frame is fixedly connected to the upper surface of the floating plate, two fixed blocks are fixedly connected to the outer side of the mounting frame, a plug rod is slidably connected to one side of the fixed block, and a clamping column is slidably inserted into one side of the fixed block, the clamping column is clamped with the plug rod, a tensioning spring tube is fixedly connected between the clamping column and the fixed block, the tensioning spring is sleeved with the clamping column, a protective plate is slidably connected between the two plug rods, a support block is fixedly connected to one side of the plug rod, and a spring shock absorber is fixedly connected between the support block and the protective plate.

[0004] The patent provides a plug rod, a protection plate, a support block, and a spring shock absorber. When a falling object falls, the protection plate plays a protective role, and the shock absorption and buffering effect of the spring tube shock absorber can reduce the impact of the falling object. However, the patent only protects the motor housing. The fan blades work in the water, which may contain weeds, plastic bags and other debris. The device may be involved in the work of these debris, thereby causing damage to the device. Utility Model Content

[0005] The purpose of the utility model is to provide an aerator with a protective function to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solutions: an aerator with a protective function, comprising a motor and a guardrail, a connecting column is fixedly connected to the surface of the motor, a floating block is fixedly connected to the bottom of the connecting column, a fan blade is fixedly connected to the surface of the motor output shaft, a first protective mechanism is arranged on the top of the guardrail, and a second protective mechanism is arranged on the top of the connecting column;

[0007] The second protection mechanism includes a sliding component and a fixed component. The sliding component is arranged on the top of the connecting column, and the fixed component is arranged inside the sliding component.

[0008] Preferably, the first protective mechanism includes a first recessed block, the first recessed block is fixedly connected to the top of the guardrail, the top of the first recessed block is rotatably connected to a first connecting rod near the front, the surface of the first connecting rod is slidably connected to a second recessed block, the top of the first connecting rod is fixedly connected to a first limit block, the surface of the first connecting rod is sleeved with a first spring between the first limit block and the second recessed block, the top of the second recessed block is provided with a first connecting hole near the surface, the top of the first recessed block is provided with a threaded hole near the back, and a bolt is threadedly connected to the threaded hole.

[0009] Preferably, one end of the first spring is fixedly connected to the bottom of the first limit block, and the other end of the first spring is fixedly connected to the top of the first concave block. The diameter of the bolt is smaller than the diameter of the first connection hole. The bolt is inserted into the first connection hole. The first protection mechanism has three groups, which are centrally symmetrically arranged at the top of the guardrail. The first spring can make the second concave block move downward, so that the bolt can fix the first concave block and the second concave block.

[0010] Preferably, the sliding assembly includes a telescopic rod and a protective plate, the telescopic rod is fixedly connected to the top of the connecting column, a second limit block is fixedly connected to the surface of the telescopic rod, and a second spring is sleeved on the surface of the telescopic rod.

[0011] Preferably, the bottom end of the second spring is fixedly connected to the top of the second limiting block.

[0012] Preferably, the fixing component includes a connecting groove, which is opened on the surface of the telescopic rod near the top, and a second connecting rod is fixedly connected to the left and right sides of the connecting groove. A fixing block is arranged in the connecting groove, and a sliding groove is opened on the left side of the fixing block, and a second connecting hole is opened on the top of the protective plate corresponding to the telescopic rod.

[0013] Preferably, the fixed block is slidably connected to the surface of the second connecting rod through a slide groove, the diameter of the second connecting hole is larger than the diameter of the telescopic rod, the top end of the telescopic rod is inserted into the second connecting hole, and the length of the slide groove is larger than the diameter of the second connecting rod.

[0014] Compared with the prior art, the utility model provides an aerator with a protective function, which has the following beneficial effects:

[0015] 1. The aerator with a protective function, through the first protective mechanism, fits the guardrail through the first concave block to the bottom of the connecting column, moves the second concave block upward, rotates the first connecting hole of the second concave block to a position overlapping with the threaded hole, and then loosens the second concave block. The bottom of the second concave block can fit the top of the connecting column through the elastic force of the first spring, and the second concave block and the first concave block are fixed by bolts, so that the guardrail is fixed. When the device is working, the rotation of the fan blades will not roll weeds or plastic belts in the water into the device, and the guardrail protects the device.

[0016] 2. The aerator with a protective function, through the second protective mechanism, when the protective plate is hit by other objects, it will move downward and will not directly contact the motor, thereby protecting the motor housing. The vibration energy of the elastic impact is converted into heat energy through the second spring, thereby achieving the purpose of reducing the impact force. The friction damping that converts vibration energy into heat energy can reduce the degree of damage to the protective plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0018] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the first protection mechanism of the utility model structure;

[0020] Figure 3 This is a schematic diagram of the explosion of the first protection mechanism of the utility model structure;

[0021] Figure 4 This is a schematic diagram of the structural sliding assembly of the utility model;

[0022] Figure 5 for Figure 4 Enlarged structural diagram at A in the middle.

[0023] In the figure: 1. motor; 2. connecting column; 3. floating block; 4. fan blade; 5. guardrail; 6. first protective mechanism; 61. first recessed block; 62. first connecting rod; 63. second recessed block; 64. first limiting block; 65. first spring; 66. first connecting hole; 67. threaded hole; 68. bolt; 7. second protective mechanism; 71. sliding assembly; 711. telescopic rod; 712. second limiting block; 713. second spring; 714. protective plate; 72. fixing assembly; 721. connecting groove; 722. second connecting hole; 723. second connecting rod; 724. fixing block; 725. slide groove. 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 in 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] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The utility model provides the following technical solutions: Example

[0027] See also Figure 1-3 An aerator with a protective function includes a motor 1 and a guardrail 5. A connecting column 2 is fixedly connected to the surface of the motor 1, a floating block 3 is fixedly connected to the bottom of the connecting column 2, a fan blade 4 is fixedly connected to the surface of the output shaft of the motor 1, a first protective mechanism 6 is arranged on the top of the guardrail 5, and a second protective mechanism 7 is arranged on the top of the connecting column 2.

[0028] The first protective mechanism 6 includes a first recessed block 61, which is fixedly connected to the top of the guardrail, a first connecting rod 62 is rotatably connected to the top of the first recessed block 61 near the front, a second recessed block 63 is slidably connected to the surface of the first connecting rod 62, a first limiting block 64 is fixedly connected to the top of the first connecting rod 62, a first spring 65 is sleeved on the surface of the first connecting rod 62 between the first limiting block 64 and the second recessed block 63, a first connecting hole 66 is opened near the surface of the top of the second recessed block 63, a threaded hole 67 is opened near the back of the top of the first recessed block 61, and a bolt 68 is threadedly connected to the threaded hole 67.

[0029] One end of the first spring 65 is fixedly connected to the bottom of the first limit block 64, and the other end of the first spring 65 is fixedly connected to the top of the first recessed block 61. The diameter of the bolt 68 is smaller than the diameter of the first connecting hole 66. The bolt 68 is inserted into the first connecting hole 66. The first protective mechanism 6 has three groups, which are centrally symmetrically arranged at the top of the guardrail. The first spring 65 can make the second recessed block 63 move downward, so that the bolt 68 can fix the first recessed block 61 and the second recessed block 63. Example

[0030] See also Figure 4-5 On the basis of the first embodiment, the second protection mechanism 7 further comprises a sliding component 71 and a fixing component 72 , the sliding component 71 is arranged on the top of the connecting column 2 , and the fixing component 72 is arranged inside the sliding component 71 .

[0031] The sliding assembly 71 includes a telescopic rod 711 and a protective plate 714 . The telescopic rod 711 is fixedly connected to the top of the connecting column 2 . A second limit block 712 is fixedly connected to the surface of the telescopic rod 711 . A second spring 713 is sleeved on the surface of the telescopic rod 711 .

[0032] The bottom end of the second spring 713 is fixedly connected to the top of the second limiting block 712 .

[0033] The fixing assembly 72 includes a connecting groove 721, which is opened on the surface of the telescopic rod 711 near the top, and a second connecting rod 723 is fixedly connected to the left and right sides of the connecting groove 721. A fixing block 724 is arranged in the connecting groove 721, and a sliding groove 725 is opened on the left side of the fixing block 724. A second connecting hole 722 is opened at the top of the protective plate 714 corresponding to the telescopic rod 711.

[0034] The fixing block 724 is slidably connected to the surface of the second connecting rod 723 through the sliding groove 725. The diameter of the second connecting hole 722 is larger than the diameter of the telescopic rod 711. The top of the telescopic rod 711 is inserted into the second connecting hole 722. The length of the sliding groove 725 is larger than the diameter of the second connecting rod 723.

[0035] In actual operation, when the device is used, the guardrail is attached to the bottom of the connecting column 2 through the first concave block 61, and the second concave block 63 is moved upward to rotate the first connecting hole 66 of the second concave block 63 to a position that coincides with the threaded hole 67. Then, the second concave block 63 is loosened, and the bottom of the second concave block 63 can be attached to the top of the connecting column 2 by the elastic force of the first spring 65. The second concave block 63 and the first concave block 61 are fixed by bolts 68, so that the guardrail is fixed. When the device is working, the rotation of the fan blades 4 will not roll weeds or plastic belts in the water into the device, and the guardrail protects the device.

[0036] When the protective plate 714 is hit by other objects, it will move downward and will not directly contact the motor 1, thereby protecting the motor 1 casing. The vibration energy of the elastic impact is converted into heat energy through the second spring 713, thereby achieving the purpose of reducing the impact force. The friction damping that converts vibration energy into heat energy can reduce the degree of damage to the protective plate 714.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. An aerator with a protective function, comprising a motor (1) and a guardrail (5), characterized in that: A connecting column (2) is fixedly connected to the surface of the motor (1), a floating block (3) is fixedly connected to the bottom of the connecting column (2), a fan blade (4) is fixedly connected to the surface of the output shaft of the motor (1), a first protective mechanism (6) is arranged on the top of the protective fence (5), and a second protective mechanism (7) is arranged on the top of the connecting column (2); The second protection mechanism (7) comprises a sliding component (71) and a fixing component (72), wherein the sliding component (71) is arranged on the top of the connecting column (2), and the fixing component (72) is arranged inside the sliding component (71).

2. The aerator with protection function according to claim 1, characterized in that: The first protection mechanism (6) comprises a first recessed block (61), the first recessed block (61) being fixedly connected to the top of the protection fence, the top of the first recessed block (61) being rotatably connected to a first connecting rod (62) near the front, the surface of the first connecting rod (62) being slidably connected to a second recessed block (63), the top of the first connecting rod (62) being fixedly connected to a first limiting block (64), the surface of the first connecting rod (62) being sleeved with a first spring (65) between the first limiting block (64) and the second recessed block (63), the top of the second recessed block (63) being provided with a first connecting hole (66) near the surface, the top of the first recessed block (61) being provided with a threaded hole (67) near the back, the threaded hole (67) being internally threadedly connected to a bolt (68).

3. The oxygenator with protection function according to claim 2, characterized in that: One end of the first spring (65) is fixedly connected to the bottom of the first limit block (64), and the other end of the first spring (65) is fixedly connected to the top of the first recessed block (61). The diameter of the bolt (68) is smaller than the diameter of the first connecting hole (66). The bolt (68) is inserted into the first connecting hole (66). The first protective mechanism (6) has three groups and is centrally symmetrically arranged at the top of the protective fence.

4. The aerator with protection function according to claim 1, characterized in that: The sliding assembly (71) comprises a telescopic rod (711) and a protective plate (714); the telescopic rod (711) is fixedly connected to the top of the connecting column (2); a second limit block (712) is fixedly connected to the surface of the telescopic rod (711); and a second spring (713) is sleeved on the surface of the telescopic rod (711).

5. The aerator with protection function according to claim 4, characterized in that: The bottom end of the second spring (713) is fixedly connected to the top of the second limiting block (712).

6. The aerator with protection function according to claim 1, characterized in that: The fixing assembly (72) comprises a connecting groove (721), the connecting groove (721) being formed on the surface of the telescopic rod (711) near the top end, the connecting groove (721) being fixedly connected with second connecting rods (723) on the left and right sides thereof, a fixing block (724) being provided in the connecting groove (721), a sliding groove (725) being formed on the left side of the fixing block (724), and a second connecting hole (722) being formed on the top of the protective plate (714) corresponding to the telescopic rod (711).

7. The aerator with protection function according to claim 6, characterized in that: The fixing block (724) is slidably connected to the surface of the second connecting rod (723) via a sliding groove (725); the diameter of the second connecting hole (722) is greater than the diameter of the telescopic rod (711); the top end of the telescopic rod (711) is inserted into the second connecting hole (722); and the length of the sliding groove (725) is greater than the diameter of the second connecting rod (723).