JPH0724425U - Air cleaner device - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide an air cleaner device capable of simply and easily assembling an element fixing member for fixing a filter element and also easily fixing a filter element by the element fixing member. [Structure] Flange portion 66 of element fixing member 58
The flange portion 40 of the outlet 34 and the cap 20
It is arranged between the upper wall 28 and the upper wall 28. A plurality of protrusions 44 are integrally formed on the lower surface of the flange portion 40, and the outlet mounting portion 32 formed on the upper wall 28 and the outer peripheral edge portion 42 formed on the flange portion 40 are pressed and welded to each other to form the protrusions 44. Is pressed against the flange portion 66. The protrusion 44 is pressed against the flange portion 66 by the deflection recovery force of the flange portion 40 applied to the protrusion 44 and the elastic deformation recovery force of the protrusion 44 itself, and the flange portion 66 is pressed against the upper wall 28 so that the element fixing member 58 faces the cap 20. Fix it immovable.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an air cleaner device having a filter element.

[0002]

[Prior art]

 In the air cleaner, as described in Japanese Utility Model Laid-Open No. 5-47408, a first member having a ventilation hole, a second member fixed to the first member, and the first member and the second member are provided. Some include an element fixing member having a fixing portion arranged between the surfaces facing each other and fixing the filter element to the second member. In the device described in the above publication, the relative rotation between the fixing portion of the element fixing member and the second member causes the through hole formed in the fixing portion and the protruding portion formed on the surface of the second member facing the first member. Is prevented by the engagement of. When an axial force is applied to the element fixing member in the direction of pressing its fixing portion against the second member, the element fixing member is fixed to the second member by the axial force, and the filter element is fixed to the second member. At that time, when the element fixing member is engaged with the second member as described above, the element fixing member is fixed even when rotational torque is generated as in the case where bolts and nuts are used to generate axial force. Assembly is performed without the members rolling around.

[0003]

[Problems to be solved by the device]

 However, in the above device, when assembling the element fixing member and the second member, the through holes of the fixing portion and the projecting portion of the second member must be aligned when they are engaged with each other. However, the work is complicated and the movement of the element fixing member with respect to the second member in the axial direction is not prevented, so that the element fixing member rattles during the work of fixing the filter element, resulting in poor workability. Therefore, the present invention solves the above-mentioned problems, and the assembling work of the element fixing member to the second member can be performed simply and easily, and the fixing work of the filter element by the element fixing member can be easily performed. The challenge is to obtain.

[0004]

[Means for Solving the Problems]

 In order to solve the above problems, a first invention is an air cleaner device having the first member, the second member, and the element fixing member, wherein the first member and the second member are fixed to each other. The gist of the present invention is to provide a pressing member that exerts a pressing force on both the first member and the fixed portion, between the surfaces of the member and the fixed portion that face each other. A second invention is summarized in that the pressing member is integrally formed on at least one of the surfaces of the first member and the fixing portion facing each other.

The material of the first member and the second member is not particularly limited, but it is preferably a resin or a composite material using a resin as a matrix in order to reduce the weight and simplify the process. On the other hand, with regard to the material of the element fixing member, a large force such as an axial force is applied when the filter element is attached, and further, when the air cleaner device is mounted on a vehicle, vibration during traveling is added, so A metal material that can withstand the force is preferable.

The pressing member may be fixed to at least one of the first member and the fixing portion, or may not be fixed to both members. It may be simply sandwiched between both members. However, from the viewpoint of workability, it is preferable that at least one of the first member and the fixing portion is fixed with an adhesive or the like, and it is particularly preferable that the first member and the fixing portion are integrally molded in order to simplify the process. When integrally molding at least one of the first member and the fixing portion, the pressing member may be integrally molded on only one of them, or may be integrally molded on both. The material of the pressing member is made of the same material as at least one of the first member and the fixed portion, but is not particularly limited if not integrally formed. For example, an elastic member such as rubber may be used. However, it is not preferable that it is easily plastically deformed.

The first member and the second member can be fixed to each other by welding, bonding, screwing or the like. However, when both members are formed of a resin-based material, the process can be simplified. Welding is preferred from the request.

The pressing force exerted by the pressing member on both the first member and the fixed portion is defined by the length of the pressing member in the direction between the first member and the fixed portion and the thickness of the fixed portion in the unloaded state. The sum occurs when the first member and the second member are fixed to each other when the sum is larger than the distance between the surfaces of the two members facing each other. This force is generated based on the force that restores the deflection of the first member caused by the presence of the pressing member and the force that restores the elastic deformation of the pressing member. When the pressing member is integrally formed on at least one of the first member and the fixed portion and the protruding portion is formed, the pressing force is the sum of the height of the protruding portion and the thickness of the fixed portion being the first. It occurs when the distance between the surfaces of the first member and the second member facing each other at the time of fixing the two members is larger.

[0009]

[Action]

 The fixing portion of the element fixing member is arranged between the surfaces of the first member and the second member facing each other, and the pressing member is arranged between the first member and the fixing portion. When the first member and the second member are fixed, the pressing member is sandwiched between the first member and the fixing portion, and the first member and the fixing portion are separated from each other in the direction of separating the first member and the fixing portion. Pressing force is applied. By this pressing force, the fixing portion is pressed against the second member, and relative movement of the element fixing member in all directions with respect to the second member is prevented. When the force for recovering the deflection of the first member caused by the pressing member being sandwiched between the first member and the fixed portion is equal to the force for recovering the elastic deformation of the pressing member, the element fixing portion is moved to the first position. It is pressed against the two members to prevent relative movement between the element fixing member and the second member. When the pressing member is integrally formed on at least one of the first member and the fixing portion, the pressing member is arranged after the fixing portion of the element fixing member is arranged between the first member and the second member. It is possible to immediately fix the first member and the second member without. Therefore, the relative movement between the element fixing member and the second member is quickly prevented.

[0010]

[Effect of device]

 As described above, according to the present invention, the relative movement of the element fixing member and the second member in all directions can be easily prevented, and the workability of assembling the filter element to the element fixing member is improved. be able to. In particular, when the pressing member is integrally formed with at least one of the first member and the fixing portion, the effect of notifying the pressing member is not necessary, and the effect is remarkable.

[0011]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings. In addition, "upper" and "lower" in the description mean the upper and lower sides in the drawing. In FIG. 1, 10 is a resin case. The case 10 has a bottomed cylindrical shape and has an opening 12 at the upper end. A recess 14 that is recessed inward is formed in the center of the bottom wall of the case 10, and a through hole 16 is formed in the center thereof.

A resin cap 20 is detachably attached to the opening 12 of the case 10 via a ring-shaped seal member 18. The cap 20 has a bottomed cylindrical shape having the same diameter as the case 10, and has a lower end opened. A fitting portion 22 is provided at the lower end of the cap 20, and the cap 20 is integrally attached to the case 10 in a state of fitting with the flange portion 24 formed at the upper end of the case 10. As a result, the opening 12 of the case 10 is closed and a space 26 is formed inside the case 10 and the cap 20.

An opening 30 is formed at the center of the upper wall 28, which is the bottom of the cap 20. As shown in FIG. 2, on the upper surface of the upper wall 28, an annular outlet mounting portion 32 that is slightly raised from the other portions is formed. This cap 20 constitutes the second member of the present invention.

A resin outlet 34 is fixed to the outlet mounting portion 32. The outlet 34 has a communication port 36 that communicates with the outside at one end and a communication port 38 that communicates with the space 26 at the other end. This outlet 34 constitutes the first member of the present invention. A flange portion 40 that extends outward in the radial direction is integrally formed at an end edge of the outlet 34 on the side of the communication port 38. An outer peripheral edge portion 42 of the flange portion 40 and an outlet attachment portion of the cap 20 are integrally formed. By welding 32 and 32, the outlet 34 is irremovably fixed to the cap 20. Further, on the surface facing the upper wall 28 of the flange portion 40, as shown in FIG. 4, a plurality of truncated cone-shaped projections 44 having the flange portion 40 side as the bottom surface are integrally formed.

A filter element (hereinafter referred to as “element”) 46 is arranged in the space 26. The element 46 has a cylindrical shape and is held by sandwiching both ends in the longitudinal direction between a pair of holding plates 48 and 50. Both of the holding plates 48 and 50 have a disc shape and an annular shape, and a concave portion 52 that is recessed inward is formed at the center of the lower holding plate 48, and is concentric with the through hole 16 at the center thereof. Through holes 54 are formed. Further, the upper holding plate 50 has an annular shape, and a through hole 56 having substantially the same diameter as the fitting hole 30 of the cap 20 is formed at the center.

An element fixing member 58 is fitted in the fitting hole 30 of the cap 20. The element fixing member 58 includes a fastener 60 and an annular member 62 to which the fastener 60 is fixed, both of which are made of metal.

The fastener 60 has a V-shape, and as shown in FIG. 3, its upper end portion has a partial cylindrical shape obtained by cutting out two portions separated in the radial direction of the cylinder with two cutting planes parallel to the center line. Is made. The annular member 62 is fixed to the upper end of the fastener 60. The annular member 62 includes a cylindrical portion 64 and a flange portion 66 that extends outward in the radial direction from one end of the cylindrical portion 64, and the cylindrical portion 64 is joined to the fastener 60. The cylindrical portion 64 has a diameter such that it can be fitted into the fitting hole 30 of the cap 20. The lower surface of the flange portion 66 is in contact with the upper surface of the upper wall 28 of the cap 20, and the upper surface thereof faces the lower surface of the flange portion 40 of the outlet 34. As shown in FIG. 5, the tip of a protrusion 44 formed on the flange portion 40 of the outlet 34 is pressed against the upper surface of the flange portion 66. This flange portion 66 constitutes the fixing portion of the element fixing member 58 in the present invention. A through hole 70 is formed in the center of the bottom portion 68 at the lower end of the fastener 60, and a bolt 72 extends downward from the inside of the fastener 60. The bolt 72 is integrally welded and fixed to the bottom portion 68 at its head portion 74.

When assembling this air cleaner, first, the bolt 72 is welded and fixed to the bottom portion 68 of the fastener 60 and the annular member 62 is welded to the upper end portion thereof, and then the annular member fixed to the fastener 60. The cylindrical portion 64 of 62 is fitted into the fitting hole 30 of the cap 20.

Next, the outlet 34 is covered on the upper wall 28 of the cap 20, and the outer peripheral edge portion 42 of the outlet 34 and the outlet mounting portion 36 are vibration-welded to integrally fix the outlet 34 to the cap 20. . Before welding, the protrusion 44 formed on the lower surface of the flange portion 40 is not in contact with the flange portion 66 of the annular member 62 even when the outer peripheral edge portion 42 and the outlet mounting portion 36 are in contact with each other. This is because the height of the protrusion 44 does not reach the distance between the flange portions 40 and 66. However, since the outer peripheral edge portion 42 of the outlet 34 and the outlet mounting portion 32 are melted during welding, the distance between the flange portions 40 and 66 after welding is shorter than that before welding. Therefore, after welding, the height of the protrusion 44 exceeds the distance between the flange portions 40 and 66, and the protrusion 44 is pressed against the flange portion 66. When the protrusion 44 is pressed against the flange portion 66, the flange portion 40 of the outlet 34 is bent and the protrusion 44 is elastically deformed. The force for recovering the flexure and the elastic deformation presses the flange portion 66 against the outer wall 28 of the cap 20, and prevents the relative movement between the flange portion 66 and the outer wall 28, that is, the element fixing member 58 and the cap 20. In this way, after the outlet 34 and the fastener 60 are assembled to the cap 20, the element 46 held by the holding plates 48 and 50 is fitted from the bottom portion 68 side of the fastener 60 and extends from the through hole 54 of the holding plate 48. When the wing nut 76 is tightened on the male screw portion of the bolt 72, the holding plate 50 is pressed against the upper wall 28 of the cap 20 via the annular seal member 78.

At this time, the axial force of the bolt 72 received by the fastener 60 is received by the upper wall 28 of the cap 20 via the annular member 62. Therefore, the axial force of the bolt 72 is received by the cap 20 over a wide area, and the element 46 can be firmly fixed to the cap 20.

Further, when the wing nut 76 is rotated, a rotating torque acts on the element fixing member 46, but the element fixing member 58 does not rotate relative to the cap 20. This is because, as described above, the flange portion 66 of the annular member 62 is pressed against the upper wall 28 of the cap 20 by the projection 44 and is fixed so as not to be relatively movable.

After fixing the element 46 to the cap 20, with the case 10 and the cap 20 in close contact with each other via the seal member 18, the wing nut 80 is attached to the protruding portion of the case 72 of the bolt 72 from the through hole 16. If the case 10 is fastened, the case 10 is fixed to the cap 20, the element 46 is positioned in the space 26, and a series of assembling work is completed.

As described above, by providing the projections 44 on the outlet 34, the relative movement between the element fixing member 28 and the cap 20 can be prevented by a simple and easy work, and the element fixing member 28 can be prevented from moving. The attachment work can be easily performed without rattling when attaching the element 46.

Although one embodiment of the present invention has been described in detail above, the present invention is not limited to this embodiment. For example, although the first member is the outlet 34 and the air outlet side in the present invention, the air may be introduced from the first member side. The shape of the projection 44 is not limited to the shape shown in FIG. 4, and may have a concave portion at the tip like the projection 82 shown in FIG. 6, or may have various shapes such as a conical shape and a prismatic shape. In the case of the protrusion 82 of FIG. 6, when the protrusion 82 is pressed against the flange portion 66, the tip is crushed as shown in FIG. 7, and the flange portion 66 is pressed against the upper wall 28 of the cap 20 and fixed. .

Further, in the present embodiment, the projection 44 constitutes a pressing member, but the formation position of the projection 44 is not limited to the outlet 34 which is the first member. When the flange portion 66 which is the fixed portion is made of resin or the like, it may be formed on the flange portion 66, or may be formed on both the outlet 34 and the flange portion 66. Further, for example, when the flange portion 66 is made of metal, a leaf spring-shaped protrusion may be made to protrude from the surface of the flange portion 66 to form a pressing member. The pressing member may be fixed to the first member or the fixing portion with an adhesive or the like, and may not be fixed to any of them. For example, as shown in FIG. 8, a protrusion 84 is formed on a part of the flange 66 of the annular member 62 by a semi-shearing technique or the like, and the protrusion 84 is different from the outlet 34 and the flange 66. It may be a member into which the body rubber member 86 or the like is fitted. At this time, the protrusion 84 may be capable of preventing the rubber 86 from being displaced.

Further, in the present invention, the height of the protrusion 44 is less than the distance between the flange portion 66 and the flange portion 40 in a state where the outer peripheral edge portion 42 before welding and the outlet mounting portion 32 are in contact with each other. It's set at a height, but it doesn't have to be. For example, when the outer peripheral edge portion 42 and the outlet mounting portion 32 are fixed by an adhesive, bolts, or the like, the height of the protrusion 44 exceeds the distance between the flange portion 66 and the flange portion 40. It is considered high. In addition, the present invention can be implemented in various modified and improved modes based on the knowledge of those skilled in the art without departing from the scope of claims for utility model registration.

[Brief description of drawings]

FIG. 1 is a front sectional view of an air cleaner device according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a part of the front cross-sectional view of FIG.

FIG. 3 is a plan view of an element fixing member provided in the air cleaner device.

FIG. 4A is a front view of a protrusion provided in the air cleaner device. (B) It is a top view of the protrusion of (a).

FIG. 5 is a view showing a state where the protrusion of FIG. 4 is pressed against the element fixing member.

FIG. 6A is a front view of a protrusion different from the protrusion of the air cleaner device according to the embodiment. (B) It is a top view of the protrusion of (a).

FIG. 7 is a view showing a state in which the protrusion of FIG. 6 is pressed against the element fixing member.

FIG. 8 is a front sectional view showing a state in which a pressing member different from that of the above embodiment is pressed against the element fixing member.

[Explanation of symbols]

 10 Case 20 Cap 28 Upper Wall 32 Outlet Mounting Part 34 Outlet 36 Communication Port 38 Communication Port 40 Flange Part 42 Outer Peripheral Edge 44 Protrusion 46 Filter Element 58 Element Fixing Member 60 Fastener 62 Annular Member 66 Flange Part

 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kazuyuki Horie 1-chome, Toyota-cho, Kariya city, Aichi Toyota Boshoku Co., Ltd.

Claims (2)

[Scope of utility model registration request] 1. A first member having a ventilation hole, a second member fixed to the first member, and a fixing portion arranged between surfaces of the first member and the second member facing each other. And an element fixing member for fixing a filter element to the second member, in the state where the first member and the second member are fixed,
An air cleaner device, comprising: a pressing member that applies a pressing force to both the first member and the fixing portion, between the surfaces of the first member and the fixing portion that face each other. 2. A first member having a ventilation hole, a second member fixed to the first member, and a fixing portion arranged between surfaces of the first member and the second member facing each other. And an element fixing member for fixing a filter element to the second member, in the state where the first member and the second member are fixed,
An air cleaner device, wherein a pressing member for pressing the other facing surface is integrally formed on at least one of the facing surfaces of the first member and the fixing portion.