CN216241533U

CN216241533U - Net cover buckle fixing structure and fan

Info

Publication number: CN216241533U
Application number: CN202122841068.0U
Authority: CN
Inventors: 王勇; 黄少杰; 李亮; 胡健兴
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-08
Anticipated expiration: 2031-11-18

Abstract

The utility model discloses a mesh enclosure buckle fixing structure which comprises a first mesh enclosure, a second mesh enclosure and a buckle, wherein an annular fixing groove is formed in the first mesh enclosure, an annular flange is formed in the second mesh enclosure, and the first mesh enclosure can be buckled on the second mesh enclosure so that the annular flange is contained in the fixing groove; the buckle includes first buckle unit and second buckle unit, and first buckle unit is fixed to be set up on first screen panel, and first buckle unit includes the buckle groove, but second buckle unit joint in the buckle inslot and inconsistent with annular flange to lock first screen panel and second screen panel. The utility model also discloses a fan which comprises the mesh enclosure buckle fixing structure. The utility model has simple structure and ingenious design, adopts the interference fit buckle structure, reduces the assembling and disassembling steps and accelerates the assembling speed.

Description

Net cover buckle fixing structure and fan

Technical Field

The utility model relates to the field of electric appliances, in particular to a mesh enclosure buckle fixing structure and a fan with the mesh enclosure buckle fixing structure.

Background

The electric fan guard is a fitting for covering the fan blades therein to improve the safety of the electric fan in use. Most of the conventional electric fan mesh enclosures comprise a front enclosure and a rear enclosure, the second mesh enclosure is fixed on a motor head of the electric fan, and the front enclosure is buckled on the rear enclosure. According to the relevant regulations of the country, the user can not finish the dismantlement process of product by bare-handed, therefore the floor fan product on the market at present adopts the mode of screw consolidation to carry out the fixed of preceding second screen panel mostly.

The lock of traditional fan screen panel of five metals material's front shroud and after-hood is realized with the help of a screen frame, the screen frame adopts relatively pliable and tough bar material to make, and this bar material flexible becomes circular shape screen frame, connects through an adjusting screw around the bar material both ends of calling this screen frame, and the internal diameter size of this screen frame of the adjustable elasticity of this adjusting screw, and the medial surface of this screen frame has seted up two caulking grooves, the front shroud closes with the cover edge mutual lid of after-hood, screen frame hoop cover is in on the cover mouth edge of front shroud and after-hood, the front shroud inlays respectively with the cover mouth edge of after-hood and establishes among two caulking grooves of the inboard of screen frame, adjusts adjusting screw can with front shroud and after-hood are fixed in the screen frame.

The fixing buckle mode of the fan mesh enclosure integrally has the problems of too complex installation and disassembly, so that the production efficiency is reduced, a special screwdriver needs to be equipped, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mesh enclosure buckle fixing structure which has the effects of convenience in installation and disassembly and high assembly efficiency. The specific technical scheme is as follows:

a mesh enclosure buckle fixing structure comprises a first mesh enclosure, a second mesh enclosure and a buckle, wherein an annular fixing groove is formed in the first mesh enclosure, an annular flange is formed in the second mesh enclosure, and the first mesh enclosure can be buckled on the second mesh enclosure so that the annular flange is contained in the fixing groove; the buckle includes first buckle unit and second buckle unit, and first buckle unit is fixed to be set up on first screen panel, and first buckle unit includes the buckle groove, but second buckle unit joint in the buckle inslot and inconsistent with annular flange to lock first screen panel and second screen panel.

Further, the first buckle unit comprises an installation groove and a clamping groove, and the second buckle unit comprises a rolling shaft and a clamping tongue; the roller is movably connected with the mounting groove, and the second buckle unit can rotate relative to the mounting groove so as to enable the clamping tongue to be clamped with or separated from the clamping groove.

Further, the mounting groove includes spacing portion and location portion, and spacing portion sets up at the both ends of mounting groove length direction, and sets up in the one side of keeping away from first screen panel, and location portion sets up at the middle part of mounting groove, and sets up in the one side that is close to first screen panel to prevent the roller bearing roll-off from the mounting groove in.

Furthermore, positioning blocks are arranged on two sides of the clamping tongue, positioning grooves are arranged on two sides of the clamping groove, and the positioning blocks can be contained in the positioning grooves.

Furthermore, the second buckle unit comprises a pre-tightening cambered surface, the clamping tongue is arranged on the pre-tightening cambered surface and connected with the locking part, and the clamping tongue can drive the locking part to move so that the locking part is abutted to or separated from the annular flange.

Furthermore, the end part of the first buckle unit is provided with a disassembly hole, the disassembly hole is communicated with the clamping groove, and the clamping tongue can be ejected out of the clamping groove through the disassembly hole, so that the second buckle unit is disassembled.

Furthermore, the two sides of the buckle groove of the first buckle unit are provided with disassembly auxiliary holes so as to facilitate the disassembly of the second buckle unit.

Furthermore, the second buckle unit further comprises a pressing surface, the pressing surface is arranged on one side far away from the second mesh enclosure, the pre-tightening arc surface is arranged on one side close to the second mesh enclosure, and a channel is formed between the pressing surface and the pre-tightening arc surface so as to further facilitate the disassembly of the second buckle unit.

Furthermore, the opening of the clamping groove faces the second mesh enclosure, and one side of the clamping tongue close to the second mesh enclosure is arc-shaped or wedge-shaped, so that the second clamping unit can only be installed in the direction of the pre-tightening arc face facing the second mesh enclosure.

A fan comprises the mesh enclosure buckle fixing structure.

The mesh enclosure buckle fixing structure is simple and ingenious in design, adopts an interference fit structure, only needs to put the second buckle unit into the buckle groove according to a preset position during installation, presses the buckle tongue into the buckle groove, and can tightly fix the first mesh enclosure and the second mesh enclosure by means of the bidirectional acting force of the pre-tightening cambered surface, so that the assembly speed is increased; during disassembly, the clamping tongue in the hole is pushed only by means of a tool capable of being inserted into the disassembly hole, the pre-tightening cambered surface can be popped out of the clamping groove by means of the acting force generated by self interference fit, the end where the clamping tongue of the second clamping unit is located is popped out, the disassembly of the first mesh enclosure and the second mesh enclosure is completed, and the disassembly method is simplified.

The foregoing description is only an overview of the technical solutions of the present invention, and the embodiments of the present invention are described below in order to make the technical means of the present invention more clearly understood and to make the above and other objects, features, and advantages of the present invention more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is an assembly view of a mesh enclosure fastening structure according to the present invention;

fig. 2 is an exploded view of the mesh enclosure fastening structure of the present invention;

fig. 3 is a perspective view 1 of a second fastening unit of the mesh enclosure fastening structure of the present invention;

fig. 4 is a perspective view 2 of a second fastening unit of the mesh enclosure fastening structure of the present invention;

fig. 5 is a perspective view of a first fastening unit of the mesh enclosure fastening structure of the present invention;

fig. 6 is a cross-sectional view of the fastening structure of the mesh enclosure of the present invention.

Detailed Description

In order to better understand the purpose, function and specific design scheme of the present invention, the mesh enclosure fastening structure of the present invention is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the mesh enclosure fastening structure of the present invention includes a first mesh enclosure 1, a second mesh enclosure 2 and a fastener 3, wherein the first mesh enclosure 1 is provided with an annular fixing groove, the second mesh enclosure 2 is provided with an annular flange 21, and the first mesh enclosure 1 can be fastened to the second mesh enclosure 2 so as to accommodate the annular flange 21 in the fixing groove; the buckle 3 includes a first buckle unit 31 and a second buckle unit 32, the first buckle unit 31 is fixedly disposed on the first mesh enclosure 1, the first buckle unit 31 includes a buckle groove 311, and the second buckle unit 32 can be clamped in the buckle groove 311 and abut against the annular flange 21 to lock the first mesh enclosure 1 and the second mesh enclosure 2. It is understood that the first net cover 1 may be a front net cover or a rear net cover, and the second net cover 2 may be a rear net cover or a front net cover.

Specifically, as shown in fig. 3 to 5, the first latch unit 31 includes a mounting groove 312 and a latch groove 313, and the second latch unit 32 includes a roller 321 and a latch tongue 322; the roller 321 is movably connected to the mounting groove 312, and the second engaging unit 32 can rotate relative to the mounting groove 312 to engage or disengage the engaging tongue 322 with or from the engaging groove 313. The mounting groove 312 of this embodiment includes spacing portion 4 and location portion 5, and spacing portion 4 sets up at mounting groove 312 length direction's both ends, and sets up in the one side of keeping away from first screen panel 1, and location portion 5 sets up at the middle part of mounting groove 312, and sets up in the one side of being close to first screen panel 1, and location portion 5 is rectangular form arch, and roller 321 can hold between spacing portion 4 and location portion 5 to prevent that roller 321 from slipping out in the mounting groove 312.

Preferably, the two sides of the latch tongue 322 are provided with positioning blocks 6, correspondingly, the two sides of the latch groove 313 are provided with positioning grooves 314, the positioning blocks 6 can be accommodated in the positioning grooves 314, and when the second latch unit 32 moves, the positioning blocks 6 and the positioning grooves 314 cooperate to perform a guiding and positioning function, so that the latch tongue 322 can be accurately latched in the latch groove 313.

It should be noted that the second fastening unit 32 further includes a pre-tightening arc 323, the fastening tongue 322 is disposed on the pre-tightening arc 323, and the fastening tongue 322 is connected to the locking portion 324; the ends, away from each other, of the clamping tongue 322 and the locking part 324 are both arranged in a suspended manner, the clamping tongue 322 can drive the locking part 324 to move, and when the clamping tongue 322 abuts against the clamping groove 313, the locking part 324 moves downwards, so that the locking part 324 abuts against the annular flange 21 and is in interference fit; when the catching tongue 322 is separated from the catching groove 313, the locking portion 324 moves upward to separate the locking portion 324 from the annular flange 21. Preferably, the end surface of the locking portion 324 contacting the annular flange 21 is arc-shaped, so that the locking portion 324 can be tightly attached to the annular flange 21, thereby increasing the locking reliability of the locking portion 324.

As shown in fig. 5, the end of the first buckle unit 31 is provided with a detaching hole 315, the detaching hole 315 is communicated with the clamping groove 313, and the clamping tongue 322 can be pushed out of the clamping groove 313 through the detaching hole 315, so that the clamping tongue 322 is disengaged from the clamping groove 313 and the end of the second buckle unit 32 where the clamping tongue 322 is located is moved out of the clamping groove 311, thereby realizing the detachment of the second buckle unit 32.

Preferably, the two sides of the locking groove 311 of the first locking unit 31 are provided with auxiliary detaching holes 316, and after the locking tongue 322 is disengaged from the locking groove 313, the side wall of the second locking unit 32 can be contacted through the auxiliary detaching holes 316, so as to facilitate the detachment of the second locking unit 32. The end of the second catch unit 32 where the catch tongue 322 is located is pried out of the catch groove 311, for example, by a screwdriver through the removal assisting hole 316.

It is noted that the second fastening unit 32 of the present embodiment further includes a pressing surface 325, the pressing surface 325 is disposed on a side away from the second mesh enclosure 2, the pre-tightening arc 323 is disposed on a side close to the second mesh enclosure 2, and a channel 326 is formed between the pressing surface 325 and the pre-tightening arc 323, so as to further facilitate the detachment of the second fastening unit 32. The end of the second catch unit 32 where the catch tongue 322 is located is pried out of the catch groove 311, for example by inserting a screwdriver into said channel 326.

Preferably, an opening of the fastening groove 313 of the present embodiment is disposed toward the second mesh enclosure 2, and one side of the fastening tongue 322 close to the second mesh enclosure 2 is arc-shaped or wedge-shaped, so that the second fastening unit 32 can only be installed in a direction toward the second mesh enclosure 2 according to the pre-fastening arc 323. That is, during installation, the pressing surface 325 faces outward, the pre-tightening arc 323 faces inward, the roller 321 of the second fastening unit 32 is placed in the installation groove 312, and then the second fastening unit 32 is pressed inward by the pressing surface 325, so that the fastening tongue 322 is pressed into the fastening groove 313, and the locking portion 324 can be pressed against the annular flange 21 of the second mesh enclosure 2 by the bidirectional acting force of the pre-tightening arc 323, thereby completing installation of the first mesh enclosure 1 and the second mesh enclosure 2.

The utility model also discloses a fan which comprises the mesh enclosure buckle fixing structure.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A mesh enclosure buckle fixing structure is characterized by comprising a first mesh enclosure, a second mesh enclosure and a buckle, wherein an annular fixing groove is formed in the first mesh enclosure, an annular flange is formed in the second mesh enclosure, and the first mesh enclosure can be buckled on the second mesh enclosure so that the annular flange is contained in the fixing groove; the buckle includes first buckle unit and second buckle unit, and first buckle unit is fixed to be set up on first screen panel, and first buckle unit includes the buckle groove, but second buckle unit joint in the buckle inslot and inconsistent with annular flange to lock first screen panel and second screen panel.

2. The mesh enclosure fastener fixing structure of claim 1, wherein the first fastening unit includes an installation groove and a fastening groove, and the second fastening unit includes a roller and a fastening tongue; the roller is movably connected with the mounting groove, and the second buckle unit can rotate relative to the mounting groove so as to enable the clamping tongue to be clamped with or separated from the clamping groove.

3. The mesh enclosure fastening structure of claim 2, wherein the mounting groove includes a limiting portion and a positioning portion, the limiting portion is disposed at two ends of the mounting groove in a length direction and is disposed at a side away from the first mesh enclosure, and the positioning portion is disposed at a middle portion of the mounting groove and is disposed at a side close to the first mesh enclosure to prevent the roller from sliding out of the mounting groove.

4. The mesh enclosure fastening structure of claim 2, wherein positioning blocks are disposed on both sides of the latch tongue, positioning grooves are disposed on both sides of the latch groove, and the positioning blocks are received in the positioning grooves.

5. The mesh enclosure fastener fastening structure of claim 2, wherein the second fastening unit includes a pre-tightening curved surface, and a fastening tongue is provided on the pre-tightening curved surface, the fastening tongue being connected to the locking portion, the fastening tongue being capable of moving the locking portion to cause the locking portion to abut against or separate from the annular flange.

6. The mesh enclosure fastener fixing structure of claim 5, wherein the first fastening unit has a detachment hole formed at an end thereof, the detachment hole communicating with the fastening groove, and the fastening tongue is pushed out of the fastening groove through the detachment hole, thereby achieving detachment of the second fastening unit.

7. The mesh enclosure fastening structure of claim 6, wherein detachment auxiliary holes are provided at both sides of the fastening groove of the first fastening unit to facilitate detachment of the second fastening unit.

8. The mesh enclosure buckle fixing structure of claim 7, wherein the second buckle unit further comprises a pressing surface disposed on a side away from the second mesh enclosure, the pre-tightening arc surface is disposed on a side close to the second mesh enclosure, and a channel is formed between the pressing surface and the pre-tightening arc surface to facilitate detachment of the second buckle unit.

9. The mesh enclosure fastening structure of claim 8, wherein the opening of the fastening groove is disposed toward the second mesh enclosure, and a side of the fastening tongue adjacent to the second mesh enclosure is curved or wedge-shaped, so that the second fastening unit can be installed only in a direction in which the pre-fastening curved surface faces the second mesh enclosure.

10. A fan, characterized in that the fan comprises the mesh enclosure fastening structure of any one of claims 1 to 9.