JP3195289U - Combined configuration of the fan guard - Google Patents

Abstract

The present invention provides a coupling structure of a fan guard part. A first guard part is provided with a guard ring, and the guard ring is formed into a C shape to have two free ends and a seam part. A plurality of engagement grooves and engagement structures 40 are installed on the ring surface and the outer ring surface, respectively, and the guard ring 301 of the second guard portion 30 coupled to correspond to the first guard portion 20 is the guard ring 201. The two free ends of the guard ring 201 are placed in the engagement groove on the inner ring surface, and are compressed tightly against the joint portion 23 by the engagement structure 40, so that the guard ring 201 and the second guard of the first guard portion 20 are compressed. The guard ring 301 of the part 30 is tightly coupled to increase the strength of the coupling structure of the fan guard part and achieve the purpose of facilitating assembly and disassembly. [Selection] Figure 2

Description

  The present invention relates to a fan guard part configuration, and more particularly, to a fan guard part coupling structure in which two guard parts using an engagement structure that is easy to operate are tightly coupled.

  In general electric fans, guard parts are installed before and after the fan in order to prevent the user from accidentally touching and injuring the operating fan. FIG. 1 shows a guard part configuration 10 of a conventional upright fan, which includes a front guard part 11 and a rear guard part 12. The front guard part 11 has a front guard ring 111 and a plurality of guard bones 112 arranged radially, and the rear guard part 12 has a rear guard ring 121 and a plurality of guard bones 122 arranged radially. Have each. As shown in the partial cross-sectional structure diagram in the upper left of FIG. 1, the conventional guard part configuration 10 is provided on the front guard ring 111 of the front guard part 11 and the rear guard part 12 and the guard ring 13 on the periphery of the rear guard ring 121. The purpose of joining the front guard part 11 and the rear guard part 12 is achieved.

  Further, the guard ring 13 is formed in an annular shape and has a corresponding outer surface 131 and inner surface 132, two positioning grooves 133 are provided on both sides of the inner surface 132, and the front guard portion 11 and the rear guard portion 12 have. The front guard ring 111 and the rear guard ring 121 of the front guard portion 11 and the rear guard portion 12 are press-fitted into the two positioning groove portions 133 of the guard ring 13 by utilizing the structural characteristics that are elastically deformed. The guard structure 10 is formed by the combined structure (see FIG. 1).

None

  In the conventional guard part structure 10, the front guard ring 111 and the rear guard ring 121 press the guard ring 13 into the positioning groove part 133 to form a complete annular structure. If it is added, it will deform | transform and will not engage in the positioning groove part 133. FIG. However, according to the structural characteristics of the conventional guard part structure 10 that are easily deformed, the front guard part 11 and the rear guard part 12 are separated when the electric fan tilts and collides with each other, and the fan is exposed to the outside. It was dangerous. In addition, the conventional guard part configuration 10 is easy to press-fit the front guard ring 111 and the rear guard ring 121 into the positioning groove part 133 of the guard ring 13, but if the force is applied normally, the front guard part 11 and the rear guard part 12 If the structure is separated, it becomes difficult to disassemble and clean the fan dust, and if the force is applied incorrectly, the guard part structure 10 will be damaged, and the front guard part 11 and the rear guard part 12 will Affecting the problems of bond strength and safety in use.

  Therefore, the present inventor considered that the above-described drawbacks can be improved, and as a result of intensive studies, the present inventor has arrived at a proposal of the present invention that effectively improves the above-described problems with a rational design.

  The present invention has been made in view of the above circumstances, and in order to solve the above problems, the present invention mainly aims to provide a combined structure of the fan guard portion. That is, a guard ring is mainly installed in the first guard portion, the guard ring is formed in a C shape, has two free ends and a joint portion, and a plurality of engagements are provided on the inner ring surface and the outer ring surface of the guard ring. By installing the mating groove and the engagement structure, the guard ring of the second guard portion coupled to correspond to the first guard portion is placed in the engagement groove on the inner ring surface of the guard ring, and the guard The two free ends of the ring are tightly compressed by the joint structure by the engagement structure, and the guard ring of the first guard part and the guard ring of the second guard part are tightly joined to each other. To achieve the purpose of easy assembly and disassembly while increasing the strength of the.

  In order to solve the above-mentioned problems and achieve the object, the coupling structure of the fan guard part according to the present invention has a C-shaped guard ring, and the guard ring is a seam defined by two free ends. A ring-shaped and corresponding coupling side and engagement side, and having an inner ring surface and an outer ring surface between the coupling side and the engagement side and connected thereto, A first guard portion provided with a plurality of engagement grooves in the engagement side portion of the guard ring in the vicinity of the inner ring surface, and a net portion provided on the coupling side of the guard ring, and an annular guard ring The guard ring is provided at one end of the guard ring of the first guard portion and the second guard portion provided in the plurality of engagement grooves of the guard ring of the first guard portion. Installed on the outer ring surface of the free end The first engagement member and the second engagement member, and are engaged with the two free ends by the first engagement member and the second engagement member, and the two free ends of the guard ring are connected to the seam. The guard ring of the first guard part is provided with an engagement structure that is tightly coupled to the guard ring of the second guard part.

  Preferably, a first hook hole and a second hook hole are provided at two free ends of the guard ring of the first guard portion, and at a joint portion of the free end at one end of the outer ring surfaces of the guard ring. A connecting portion is provided at an adjacent location, and both corresponding ends of the first engaging member of the engaging structure are formed as a connecting portion and a withdrawal portion. The connecting portion has two opposing connecting holes, The engaging member is pivotally connected to the connecting portion of the guard ring by the ends of the two connecting holes, and the first engaging member has a first tightening portion directed to the guard ring. Is provided with a convex portion for engagement. Corresponding both ends of the second engagement member are shaped as a connection portion and a position limiting portion, the connection portion has two opposing connection holes, and the second engagement member has two connection holes and a first engagement. The second engaging member has a second tightening portion directed to the guard ring, and is provided with an engaging convex portion on the second tightening portion. Is provided. Thereby, the first tightening portion and the second tightening portion of the engagement structure are penetrated and engaged respectively corresponding to the first hook hole and the second hook hole of the guard ring of the first guard portion, The two free ends of the guard ring are compressed tightly against the joint, and the guard ring of the first guard portion is tightly coupled to the guard ring of the second guard portion.

  Preferably, in the coupling structure of the fan guard portion according to the present invention, a plurality of reinforcing ribs are installed on the inner ring surface of the guard ring of the first guard portion, and the reinforcing ribs are in the direction of the coupling side and the engagement side. Are connected to the inner ring surface and the guard ring achieves the purpose of strengthening the whole structure by the reinforcing ribs.

  According to the present invention, it is possible to achieve the purpose of simplifying assembly and disassembly while increasing the strength of the coupling structure of the fan guard.

It is the schematic which shows the conventional fan guard part and its connection structure. It is an external appearance perspective view which shows the fan guard part by 1st Embodiment of this invention. It is an expanded view which shows the structure of the fan guard part by 1st Embodiment of this invention. It is an expanded view which shows the structure of the fan guard part by 1st Embodiment of this invention. It is a block diagram which shows the electric fan guard part by 1st Embodiment of this invention. In 1st Embodiment of this invention, it is a cross-sectional schematic diagram which shows the state which a guard part structure is not engaged. In 1st Embodiment of this invention, it is a cross-sectional schematic diagram which shows the state by which the end of a guard part structure is engaged. In 1st Embodiment of this invention, it is a cross-sectional schematic diagram which shows the state by which two ends of a guard part structure are engaged.

  Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. The present invention is not limited to the embodiments described below.

  First, a description will be given of a first embodiment of a combined configuration of the fan guard portion of the present invention. The configuration of the first embodiment of the present invention is shown in FIGS. Hereinafter, an embodiment of the coupling structure of the fan guard part of the present invention will be described with reference to FIGS. 2 to 7.

  As shown in FIGS. 2 to 4, the present invention is mainly a guard part of an upright fan, and the coupling structure of the fan guard part includes a first guard part 20, a second guard part 30, and an engagement structure 40. The first guard portion 20 has a C-shaped guard ring 201, and the guard ring 201 has a seam portion 23 defined by two free ends 21 and a free end 22, and the two free ends 21 of the guard ring 201. The free end 22 is provided with a first hook hole 211 and a second hook hole 221. The guard ring 201 has an annular shape and has an opposite coupling side 24 and an engagement side 25, and an inner ring surface 26 and an outer ring surface 27 between the coupling side 24 and the engagement side 25. A plurality of engagement grooves 261 are provided at locations that are connected and close to the engagement side 25 of the inner ring surface 26 of the guard ring 201, and a mesh portion 202 is installed on the coupling side 24 of the guard ring 201 and the guard A connecting portion 271 is provided at a location close to the joint portion 23 of any one free end 21 / free end 22 on the outer ring surface 27 of the ring 201. In the present embodiment, the connecting portion 271 is positioned at the free end 21 where the first hook hole 211 is provided (see FIG. 3).

  The second guard part 30 includes an annular guard ring 301 and a mesh part 302, and the guard ring 301 of the second guard part 30 is provided in a plurality of engagement grooves 261 of the guard ring 201 of the first guard part 20. The According to the present embodiment, the cross section of the guard ring 301 of the second guard portion 30 has a circular line frame structure, and each of the engagement grooves 261 of the guard ring 201 of the first guard portion 20 has two plate-shaped convex portions. The guard ring 301 of the second guard part 30 is placed. However, the shape of the cross-sectional structure of the guard ring 301 is not limited to a circular shape, and any other geometrical shape suitable for localization and placement in the engagement groove 261 may be used, for example, a square, a rectangle, an ellipse, or the like. But you can.

  The engagement structure 40 is provided on the outer ring surface 27 of the free end 21 / free end 22 of any one of the guard rings 201 of the first guard portion 20, and is formed in a toggle shape. And a second engagement member 402. The corresponding both ends of the first engaging member 401 are formed as a connecting portion 41 and a withdrawal portion 42, and the connecting portion 41 has two opposing connecting holes 411 and connecting plates 412 and is connected to the two connecting holes 411. The two connecting holes 411 are provided with two opposing connecting holes 413 and two opposing connecting holes 414, and the connecting hole 413 is provided at the end of the connecting hole 411. Is provided at a location adjacent to the connecting hole 411 and the extraction portion 42. A connecting port 415 is defined in the connecting portion 41 by two connecting holes 411 and a connecting plate 412, and the first engaging member 401 is placed in the connecting portion 271 of the guard ring 201 by the connecting port 415, and the connecting member 416 is pivoted through the connecting hole 413 and the connecting portion 271. The first engaging member 401 has a first tightening portion 43 directed toward the guard ring 201, and an engaging convex portion 431 is installed in the first tightening portion 43. In the present embodiment, the extraction portion 42 is formed in an upward shape and is suitable for extraction operation, and the first fastening portion 43 is positioned between the connecting portion 41 and the extraction portion 42 and is formed into a long rectangular block body. Molded (see FIGS. 4 and 6).

  Corresponding both ends of the second engagement member 402 are formed as a connecting portion 44 and a position limiting portion 45, and the connecting portion 44 has two opposing connecting holes 441, and the two connecting holes 411 have two opposing ends. The connecting portion 44 has a U-shaped notch 443 formed by two connecting holes 441, and the connecting portion 41 of the first engaging member 401 has a U-shaped notch. The connection member 444 penetrates and is pivotally inserted into the connection hole 414 and the connection hole 442 of the first engagement member 401 and the second engagement member 402. The second engagement member 402 has a second tightening portion 46 directed toward the guard ring 201, and an engaging convex portion 461 is installed on the second tightening portion 46. In this embodiment, as shown in FIGS. 4 and 6, the position limiting portion 45 is formed in a downward shape, and the second fastening portion 46 is positioned below the position limiting portion 45 and is formed into a key-shaped block body. Molded.

  Therefore, the first tightening portion 43 and the second tightening portion 46 of the engagement structure 40 correspond to the first hook hole 211 and the second hook hole 221 formed in the guard ring 201 of the first guard portion 20, respectively. In addition, the first tightening portion 43 and the second tightening portion 46 are positioned by being engaged with the hole edges of the first hook hole 211 and the second hook hole 221 by the engaging convex portion 431 and the engaging convex portion 461, respectively. The two free ends 21 and 22 of the guard ring 201 are tightly compressed by the joint portion 23, and the guard ring 201 of the first guard portion 20 is tightly coupled to the guard ring 301 of the second guard portion 30. Is done.

  The above is the description of the main members and embodiments of the embodiment of the present invention. The operation method and effect of the preferred embodiment of the present invention will be described below with reference to FIGS. 3 to 5 in combination with FIGS.

  As shown in FIGS. 3 and 4, when combining the first guard part 20 and the second guard part 30, first, the elastic deformation ability of the C-shaped guard ring 201 of the first guard part 20 is used to The guard ring 301 of the open second guard part 30 is engaged in the plurality of engaging grooves 261 of the corresponding inner ring surface 26 of the guard ring 201 to form a combined structure as shown in FIG. At this time, the guard ring 301 is already placed in the engagement groove 261, the seam 23 is clearly present in the guard ring 201, and the engagement structure 4 is formed by connecting the guard ring 201 only by the first engagement member 401. It is pivotally mounted on H.271, and the engagement relationship with the guard ring 201 is not formed. As shown in FIG. 7, when the second fastening portion 46 of the second engagement member 402 is pushed into the second hook hole 221 of the guard ring 201 and a force is applied to the first engagement member 401, The engaging member 401 pivots about the connecting hole 413 as an axis, shortens the linear distance from the connecting hole 414 to the second hook hole 221, pulls the second tightening portion 46, and the engaging convex portion 461. The hole edge of the second hook hole 221 is engaged and fixed.

  Next, as shown in FIG. 8, when a force is continuously applied to the pull-out portion 42 of the first engagement member 401 and the first tightening portion 43 is inserted into the first hook hole 211, the first engagement is performed. The connecting hole 414 of the member 401 has the longest linear distance from the second hook hole 221, and the free end 22 where the second fastening hole 46 is pulled to provide the second hook hole 221 is the other free end 21. The guard ring 201 is pressed against the guard ring 301 of the second guard portion 30 to achieve the purpose of joining the first guard portion 20 and the second guard portion 30. Further, the first engagement member 401 has the first tightening portion 43 and the second tightening due to the engagement structure of the engagement convex portion 431 of the first tightening portion 43 and the hole edge of the first hook hole 211. Using the engaging convex portion 431 and the engaging convex portion 461 that are key-shaped in the opposite direction of the portion 46, the two free ends 21 and 22 of the guard ring 201 are engaged and positioned.

  The present invention realizes a structure that is excellent in the coupling strength due to the above-described structure and that allows the first guard part 20 and the second guard part 30 to be easily coupled. When it is desired to separate the first guard portion 20 and the second guard portion 30, the first tightening portion 43 is separated from the first hook hole 211 only by pulling the pull-out portion 42 of the first engagement member 401, and the second The engagement member 402 can be easily engaged and tightened in the second hook hole 221, the joint portion 23 of the guard ring 201 can be enlarged, and the second guard portion 30 can be taken out from the engagement groove 261 of the guard ring 201. . Thereby, this invention has the easy disassembly effect of the 1st guard part 20 and the 2nd guard part 30, and makes it avoid simultaneously the problem that the structure of a guard ring is damaged by applying force.

  In addition, the mesh portion 202 of the first guard portion 20 of the present invention has a plurality of radially arranged guard bones 28 and a first coupling portion 29 that is installed corresponding to the center of the guard ring 201, so One end of the guard bone 28 is coupled to the periphery of the first coupling portion 29, and the other end is coupled to the inner ring surface 26 of the guard ring 201. The mesh part 302 of the second guard part 30 is composed of a plurality of guard bones 31 arranged in a radial manner and a second coupling part 32 installed corresponding to the center of the guard ring 301, thereby One end is coupled to the periphery of the second coupling portion 32, and the other end is coupled to the periphery of the guard ring 301. As shown in FIG. 2 of the present embodiment, the diameter of the first coupling portion 29 is larger than the diameter of the second coupling portion 32, and a motor (not shown) of a fan fan is provided through the first coupling portion 29, An announcement board (not shown) for displaying the brand logo is installed in the second coupling portion 32.

  Incidentally, the guard ring 201 in which the engagement structure 40 of the present invention is installed is installed in the front guard part or the rear guard part of the electric fan (see FIG. 2). That is, the first guard portion 20 is combined with a first coupling portion 29 having a large diameter to become a rear guard portion, and the second guard portion 30 is combined with a second coupling portion 32 having a small diameter to be a front guard portion. The guard ring of the guard part (second guard part 30) is placed in the guard ring (guard ring 201) of the rear guard part (first guard part 20) and is combined tightly to form a combination form. Alternatively, the first guard portion 20 is combined with the second coupling portion 32 having a small diameter to become a front guard portion, and the second guard portion 30 is combined with the first coupling portion 29 having a large diameter to be a rear guard portion, and the front side The guard ring (guard ring 201) of the guard part (first guard part 20) is placed in the guard ring of the rear guard part (second guard part 30) and is tightly coupled.

  As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.

DESCRIPTION OF SYMBOLS 10 Guard part structure 11 Front guard part 111 Front guard part ring 112 Guard bone 12 Rear guard part 121 Rear guard ring 122 Guard bone 13 Guard ring 31 Outer surface 132 Inner surface 133 Position groove part 20 First guard part 201 Guard ring 202 Net Portion 21 Free end 211 First hook hole 22 Free end 221 Second hook hole 23 Joint portion 24 Coupling side 25 Engagement side 26 Inner ring surface 261 Engaging groove 262 Reinforcing rib 27 Outer ring surface 271 Connection portion 272 Connection hole 28 guard bone 29 first coupling portion 30 second guard portion 301 guard ring 302 mesh portion 31 guard bone 32 second coupling portion 40 engagement structure 401 first engagement member 402 second engagement member 41 coupling portion 411 coupling Hole 412 Connection plate 413 Connection hole 414 Connection hole 415 Connection port 416 Connection member 42 Pull-out 43 first fastening portion 431 engaging convex portion 44 connecting portion 441 connecting the holes 442 connecting hole 443 U-shaped cutout portion 444 connecting member
45 Position Limit Department
46 Second tightening part
461 Projection for engagement

Claims (5)

A C-shaped guard ring, the guard ring having a seam defined by two free ends and being annular and having a corresponding coupling side and engagement side, the coupling side and the An inner ring surface and an outer ring surface are provided between the engagement ring and the engagement ring, and a plurality of engagement grooves are provided at an engagement side portion in the vicinity of the inner ring surface of the guard ring. A first guard portion provided with a net on the coupling side of the guard ring;
An annular guard ring and a net part, and the guard ring is provided in a plurality of engagement grooves of the guard ring of the first guard part;
The first guard member and the second engagement member are arranged on the outer ring surface of the free end at one end of the guard ring of the first guard portion, and are composed of a first engagement member and a second engagement member. The two free ends of the guard ring are pressed against the joint portion and compressed, and the guard ring of the first guard portion is pressed against the guard ring of the second guard portion. And an engagement structure to be coupled to each other. A first hook hole and a second hook hole are provided at two free ends of the guard ring of the first guard portion, and at the joint portion of the free end at one end of the outer ring surface of the guard ring. A connecting portion is provided at an adjacent location, and both corresponding ends of the first engaging member of the engaging structure are formed as a connecting portion and a withdrawal portion, and the connecting portion has two opposing connecting holes. The first engaging member is pivotally connected to the connecting portion of the guard ring by the end portions of the two connecting holes, and the first engaging member has a first tightening portion directed to the guard ring. The first tightening portion is provided with an engaging convex portion, the corresponding both ends of the second engaging member are formed as a connecting portion and a position limiting portion, and the connecting portion has two opposing connecting holes. The second engaging member includes the two connecting holes and the second engaging member. The second engagement member has a second tightening portion that is pivotally disposed adjacent to the drawing portion by the two connection holes of the one engagement member, and the second engagement member is directed to the guard ring. The attached portion is provided with an engaging convex portion,
Thereby, the first tightening portion and the second tightening portion of the engagement structure are penetrated and engaged respectively corresponding to the first hook hole and the second hook hole of the guard ring of the first guard portion, The two free ends of the guard ring are tightly compressed by the joint portion, and the guard ring of the first guard portion is tightly coupled to the guard ring of the second guard portion. Item 1. A fan guard portion coupling structure according to Item 1.   A connecting hole is formed in the connecting portion of the first guard portion, and the connecting portion of the first engaging member includes a connecting plate connected to the two opposing connecting holes and the two connecting holes. The two connecting holes are provided with two opposing connecting holes and two opposing connecting holes, and the connecting hole is provided at an end of the connecting hole, The connecting hole and the pull-out portion are provided adjacent to each other, and the connecting portion is defined by the two connecting holes and the connecting plate, and the first engaging member is formed by the connecting port. The connecting member is placed in the connecting portion of the guard ring, the connecting member is pivoted through the connecting hole and the connecting hole of the connecting portion, and the connecting portion of the second engaging member is the two opposing connecting members. The two connecting holes are provided with two opposing connecting holes, The connecting portion has a U-shaped notch formed by the two connecting holes, and the connecting portion of the first engaging member is placed in the U-shaped notched portion of the second engaging member. The coupling structure of the fan guard part according to claim 2, wherein the coupling hole of the engaging member and the second engaging member is pivoted through the coupling member.   The mesh portion of the first guard portion has a plurality of guard bone structures arranged radially, and one end of the plurality of guard bones is on the periphery of the first coupling portion installed at the center of the guard ring. Correspondingly, the other end is installed to be coupled to the inner ring surface of the guard ring, the mesh portion of the second guard portion has a plurality of guard bone configurations arranged radially, and One end of each of the bones of the plurality of guards is coupled so as to correspond to a peripheral edge of a second coupling portion installed at the center of the guard ring, and the other end is coupled to a peripheral edge of the guard ring, The combined structure of the fan guard part according to claim 1.   The guard ring of the first guard part has a plurality of reinforcing ribs, and the reinforcing ribs are connected along the direction of the coupling side and the engaging side and are installed on the inner ring surface. The combined structure of the fan guard part according to claim 1.