Electric fan air inlet structure

Abstract

The utility model discloses an electric fan air inlet structure, belonging to the technical field of electric fan accessories, comprising a frame, a slot is arranged in the middle of the frame, a protective component is arranged in the middle of the slot, a plurality of spring clips are arranged at both ends of one side surface of the frame, a fixing component is arranged at positions corresponding to the spring clips on the other side surface of the frame, and a pin hole is arranged on the upper end of the surface on the same side of the frame and the fixing component. The utility model is provided with a protective component, and the protective frame is pressed to insert the protective frame into the slot, and the rebound component is compressed to the lowest point. The pin head is clamped into the pin hole under the elastic force of a reset spring, so that the protective frame is quickly fixed, and dust is filtered through a dustproof net, and a protective plate is used for protection, and the pin head is pressed to compress the reset spring one, and the pin head is stored in the storage slot. The elastic force of the reset spring two drives the support plate to move up, and the support plate pushes the protective frame to move up, so that the protective frame can be taken out from the slot conveniently, and the cleaning is convenient, and the independent disassembly and assembly are portable.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric fan accessories, and in particular relates to an air inlet structure of an electric fan. Background Art

[0002] An electric fan is a household appliance that uses an electric motor to drive the fan blades to rotate to achieve the purpose of cooling down and ventilating the air. The principle is that the motor drives the fan blades to rotate, driving the air flow from the electric fan air inlet structure at the rear end of the fan blades into the electric fan casing, and then out of the air outlet at the front end of the fan blades, forming a cycle of air flow in from the back and out from the front. Generally, a dust net is also provided at the electric fan air inlet structure to prevent dust from following the air flow into the electric fan casing and blocking the motor.

[0003] Chinese patent application No. 202121964771.4 discloses an electric fan air inlet structure, including a frame, a buckle groove is opened in the upper center of the rear end frame of the frame, a slot is opened inside the frame and passes through the top center of the frame, a protective mechanism is arranged on the inner side of the slot, a seal is arranged on the inner side of the slot and at the top of the protective mechanism, two installation slots are arranged on both sides of the front and rear ends of the frame passing through the frame, a mounting mechanism is arranged on the inner side of the installation slot, the protective mechanism includes a frame, two half-slots are arranged on both sides of the frame, a protective frame is installed on the inner side of the frame, a dustproof net is installed on the inner side of the frame and on the back of the protective frame, the mounting mechanism includes a pin and a pin sleeve, and the pin is sleeved in the pin sleeve, a pull ring is fixedly installed at the rear end of the pin, and a spring card is fixedly installed at the front end of the pin sleeve; the electric fan air inlet structure described in the utility model is convenient for cleaning the dustproof net and the protective frame, and is also convenient for installing the electric fan air inlet structure.

[0004] The above-mentioned disclosed patent has the following problems when in use: the protective mechanism is difficult to disassemble and assemble, and cannot be disassembled and assembled independently, which affects the use; at the same time, the spring card is fixed by inserting a pin, and cannot be inserted and removed at the same time, which makes the use time-consuming and laborious. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an electric fan air inlet structure, which has the characteristics of easy disassembly and assembly of the protective mechanism and convenient insertion and removal of the pins.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric fan air inlet structure, comprising a frame, a slot is arranged in the middle of the frame, a protective component is arranged in the middle of the slot, a plurality of spring clips are arranged at both ends of one side surface of the frame, a fixing component is arranged at a position corresponding to the spring clip on the other side surface of the frame, and a pin hole is arranged on the upper end of the surface on the same side of the frame and the fixing component.

[0007] Preferably, the protective component includes a protective frame, a fixing pin, a protective plate, a dustproof net and a rebound component, wherein a rebound component is provided at the bottom of the slot, a protective frame is provided at the upper end of the rebound component, a protective plate is provided at one end inside the protective frame, a dustproof net is provided at the other end inside the protective frame, and a fixing pin is provided on the upper surface of the protective frame.

[0008] Preferably, a plurality of through holes are provided on the surface of the protective plate, and the through holes are circular in structure.

[0009] Preferably, the fixing pin comprises a return spring 1, a receiving groove and a pin head, wherein the receiving groove is provided on the surface of the protective frame, a return spring 1 is provided in the middle of the receiving groove, and a pin head is provided on the side of the return spring 1.

[0010] Preferably, the rebound component includes a movable groove, a support plate, a limiting slide rod and two return springs, wherein movable grooves are arranged at the bottom of both sides of the slot, a limiting slide rod is arranged in the middle of the movable groove, a support plate is arranged on the surface of the limiting slide rod, and the surface of the limiting slide rod located at the upper end of the support plate is provided with two return springs.

[0011] Preferably, the fixing assembly includes a connecting plate, a return spring three and a pin, wherein the pins are movably connected on both sides of the frame near the spring-locking position, a connecting plate is provided on the side of the pin, and a return spring three is connected between the inner wall of the connecting plate and the frame.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a protection component, the protection frame is pressed to insert the protection frame into the slot, the rebound component is compressed to the lowest point, the pin head is stuck into the pin hole under the elastic force of the reset spring 1, so that the protection frame is quickly fixed, the dust is filtered through the dustproof net, the protection plate is protected, the pin head is pressed to compress the reset spring 1, the pin head is stored in the storage slot, the elastic force of the reset spring 2 drives the support plate to move up, the support plate pushes the protection frame to move up, and the protection frame is convenient to take out from the slot, convenient to clean, independent disassembly and assembly, and portable to use;

[0014] 2. The utility model is provided with a fixing component, the connecting plate is pulled outward to make the pin disengage from the spring card, the spring card is inserted into the mounting slot at the air inlet of the electric fan, the connecting plate is loosened, the pin moves back under the elastic force of the reset spring three, the pin is inserted into the spring card, the spring card is opened, and quick fixing is achieved, saving time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the protection component of the utility model;

[0017] Figure 3 This is a schematic diagram of the fixing pin structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the rebound component of the utility model;

[0019] Figure 5 For this utility model Figure 1 A magnified image of point A;

[0020] In the figure: 1. frame; 2. protection component; 21. protection frame; 22. fixing pin; 221. reset spring 1; 222. storage slot; 223. pin head; 23. protection plate; 24. dust net; 25. rebound component; 251. movable slot; 252. support plate; 253. limit slide bar; 254. reset spring 2; 3. slot; 4. fixing component; 41. connecting plate; 42. reset spring 3; 43. pin; 5. spring card; 6. pin hole. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1

[0023] See also Figure 1-5 The utility model provides the following technical solutions: an electric fan air inlet structure, comprising a frame 1, a slot 3 is arranged in the middle of the frame 1, a protective component 2 is arranged in the middle of the slot 3, a plurality of spring clips 5 are arranged at both ends of the surface of one side of the frame 1, a fixing component 4 is arranged at the position corresponding to the spring clip 5 on the surface of the other side of the frame 1, and a pin hole 6 is arranged on the upper end of the surface on the same side of the frame 1 and the fixing component 4.

[0024] Specifically, the protective component 2 includes a protective frame 21, a fixing pin 22, a protective plate 23, a dustproof net 24 and a rebound component 25, wherein the rebound component 25 is arranged at the bottom of the slot 3, the protective frame 21 is arranged at the upper end of the rebound component 25, the protective frame 21 is arranged at one end inside the protective frame 21, the dustproof net 24 is arranged at the other end inside the protective frame 21, and the fixing pin 22 is arranged on the upper end of the surface of the protective frame 21.

[0025] By adopting the above technical solution, the protective frame 21 is pressed to be inserted into the slot 3, the rebound component 25 is compressed to the lowest point, and the fixing pin 22 is inserted into the pin hole 6, so that the protective frame 21 is quickly fixed, and dust is filtered through the dustproof net 24, and the protective plate 23 is used for protection.

[0026] Specifically, a plurality of through holes are provided on the surface of the protection plate 23, and the through holes are circular in structure.

[0027] By adopting the above technical solution and the circular through-hole design, cleaning is convenient and incomplete cleaning of dust in corners is avoided.

[0028] Specifically, the fixing pin 22 includes a return spring 221, a receiving groove 222 and a pin head 223, wherein the receiving groove 222 is provided on the surface of the protective frame 21, the return spring 221 is provided in the middle of the receiving groove 222, and the pin head 223 is provided on the side of the return spring 221.

[0029] By adopting the above technical solution, the pin head 223 is stuck into the pin hole 6 under the elastic force of the return spring 221, so that the protective frame 21 is quickly fixed. The pin head 223 is pressed to compress the return spring 221, and the pin head 223 is stored in the storage groove 222, which makes it convenient to remove the protective frame 21 from the slot 3.

[0030] Specifically, the rebound component 25 includes a movable groove 251, a support plate 252, a limiting slide rod 253 and a second return spring 254, wherein the movable grooves 251 are arranged at the bottom of both sides of the slot 3, a limiting slide rod 253 is arranged in the middle of the movable groove 251, a support plate 252 is arranged on the surface of the limiting slide rod 253, and a second return spring 254 is arranged on the surface of the limiting slide rod 253 located at the upper end of the support plate 252.

[0031] By adopting the above technical solution, the elastic force of the second reset spring 254 drives the support plate 252 to move upward, and the support plate 252 pushes the protective frame 21 to move upward, so that the protective frame 21 can be easily removed from the slot 3 for easy cleaning.

[0032] When the present embodiment is used, the protective frame 21 is pressed to insert the protective frame 21 into the slot 3, the rebound component 25 is compressed to the lowest point, and the pin head 223 is stuck into the pin hole 6 under the elastic force of the return spring 1 221, so that the protective frame 21 is quickly fixed, and the dust is filtered through the dustproof net 24, and the protective plate 23 is protected. After long-term filtering, dust accumulates on the surface of the dustproof net 24, and the pin head 223 is pressed to compress the return spring 1 221, and the pin head 223 is stored in the storage groove 222. The elastic force of the return spring 254 drives the support plate 252 to move up, and the support plate 252 pushes the protective frame 21 to move up, so that the protective frame 21 can be easily taken out of the slot 3, which is convenient for cleaning, independent disassembly and assembly, and portable for use;

[0033] Example 2

[0034] The difference between this embodiment and embodiment 1 is that the fixing assembly 4 includes a connecting plate 41, a return spring 3 42 and a pin 43, wherein the pins 43 are movably connected to the two sides of the frame 1 near the position of the spring card 5, the side of the pin 43 is provided with a connecting plate 41, and the return spring 3 42 is connected between the inner wall of the connecting plate 41 and the frame 1.

[0035] When the present embodiment is used, the connecting plate 41 is pulled outward to disengage the pin 43 from the spring clip 5, and the spring clip 5 is inserted into the mounting slot at the air inlet of the electric fan. The connecting plate 41 is loosened, and the pin 43 moves back under the elastic force of the return spring 42, and the pin 43 is inserted into the spring clip 5, so that the spring clip 5 is opened, thereby realizing quick fixation and saving time and effort.

[0036] Working principle and use process of the utility model: When the utility model is used, the protective frame 21 is pressed to insert the protective frame 21 into the slot 3, the rebound component 25 is compressed to the lowest point, and the pin head 223 is stuck into the pin hole 6 under the elastic force of the reset spring 221, so that the protective frame 21 is quickly fixed, and the dust is filtered through the dustproof net 24, and the protective plate 23 is protected. After long-term filtering, dust accumulates on the surface of the dustproof net 24, and the pin head 223 is pressed to compress the reset spring 221, and the pin head 223 is retracted into the storage slot 22 2, the elastic force of the second reset spring 254 drives the support plate 252 to move upward, and the support plate 252 pushes the protective frame 21 to move upward, so that the protective frame 21 can be easily removed from the slot 3, which is convenient for cleaning, independent disassembly and assembly, and portable for use; the connecting plate 41 is pulled outward to disengage the pin 43 from the spring card 5, and the spring card 5 is inserted into the mounting slot at the air inlet of the electric fan, and the connecting plate 41 is loosened. The pin 43 moves back under the elastic force of the third reset spring 42, and the pin 43 is inserted into the spring card 5, so that the spring card 5 is opened, so as to achieve quick fixation, saving time and effort.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric fan air inlet structure, comprising a frame, characterized in that: A slot is provided in the middle of the frame, a protective component is provided in the middle of the slot, a plurality of spring clips are provided at both ends of one surface of the frame, a fixing component is provided at the position corresponding to the spring clip on the other surface of the frame, and a pin hole is provided at the upper end of the surface on the same side of the frame and the fixing component; The protection component includes a protection frame, a fixing pin, a protection plate, a dustproof net and a rebound component, wherein the rebound component is arranged at the bottom of the slot, the upper end of the rebound component is arranged at the protection frame, the inner end of the protection frame is arranged at the protection plate, the inner end of the protection frame is arranged at the dustproof net, and the upper end of the surface of the protection frame is arranged at the fixing pin; The fixing pin comprises a return spring 1, a receiving groove and a pin head, wherein the receiving groove is arranged on the surface of the protective frame, the return spring 1 is arranged in the middle of the receiving groove, and the pin head is arranged on the side of the return spring 1.

2. The electric fan air inlet structure according to claim 1, characterized in that: The surface of the protective plate is provided with a plurality of through holes, and the through holes are circular structures.

3. The electric fan air inlet structure according to claim 1, characterized in that: The rebound component includes a movable groove, a support plate, a limiting slide rod and two return springs, wherein movable grooves are arranged at the bottom of both sides of the slot, a limiting slide rod is arranged in the middle of the movable groove, a support plate is arranged on the surface of the limiting slide rod, and a return spring two is arranged on the surface of the limiting slide rod located at the upper end of the support plate.

4. The electric fan air inlet structure according to claim 1, characterized in that: The fixing assembly includes a connecting plate, a return spring three and a pin, wherein the pins are movably connected on both sides of the frame near the spring-clamp position, a connecting plate is provided on the side of the pin, and a return spring three is connected between the inner wall of the connecting plate and the frame.

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