JPH04128510U - Joining structure of parts - Google Patents

Abstract

(57) [Summary] [Purpose] To obtain a joining structure with a large holding force when joining a pair of members. [Structure] A box-shaped receiving member 14 is erected on the back side of a side plate 12. A fitting member 18 having an I-shaped cross section and fitting into the inner cavity of the receiving member 14 is provided upright on the back surface of the other side plate 16 .
A clip 20 is interposed between the receiving member 14 and the fitting member 18 to form a joining structure. Leg plate 40 of clip 20
A tongue piece 46 and a claw portion 48 as a wedge member are provided at the tip of the holder. When the receiving member 14 and the fitting member 18 are fitted,
The tongue pieces 46 sandwich the ribs 36 formed on the web portion 34 of the fitting member 18 from both sides, and the claw portions 48 push and expand the ribs 28 formed on the inner wall surface 26 of the receiving member 14 .
The joined state between the fitting member 18 and the fitting member 18 is maintained. Furthermore, even if an external force is applied to separate the receiving member 14 and the fitting member 18,
Since the tongue piece 46 and the claw part 48 as wedge members move in the direction of biting into the ribs 36 and 28, they do not easily come off.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a joining structure for joining a pair of members.

0002

[Conventional technology]

A peripheral portion 62 of a plate 60 as shown in FIG. 3 is joined to form an internal space 64. When storing desk legs, etc. in the internal space, the peripheral edge 62 can be screwed or glued. The periphery of the plate 60 may be fixed with a fixing agent or the like, or the peripheral edge of the plate 60 may be A method in which a connecting piece 66 is formed near 62 and joined with an S-shaped clip 68 interposed therebetween. Law is common.

0003 In the joining structure in which the pair of plates 60 are joined using this S-shaped clip 68, It has the advantage of being easy to assemble and eliminating fixing work. However, fig. 4, an external force acts in a direction to separate the pair of plates 60 from each other. In this case, the non-contact portion 72 of the claw portion 70 of the clip 68 with the connecting piece 60 has a Since no reaction force is generated, the contact portion 74 of the claw portion 68 with the connecting piece 66 is used as a fulcrum. , the claw portion 68 rotates in the direction of arrow A. Therefore, the peripheral edge 62 of the plate 60 A gap corresponding to this amount of rotation (a gap twice as large as L shown in Fig. 4) is created between the There was a problem with staying power.

0004

[Problem that the idea aims to solve]

The present invention takes this fact into consideration, and when joining a pair of members, the holding force is large. In addition, the joint structure of the members does not create a gap between the joint surfaces of a pair of members even when external force is applied. The purpose is to provide.

[0005]

[Means to solve the problem]

In the member joining structure according to claim 1, the member provided at the joining part of the pair of members is In a joint structure, a mating member made of a plate that stands upright from one member, and a mating member made of a plate material, and the other a receiving member that is erected from the member and has a fitting portion that fits with the fitting member; The head is held at the top of the board and the sides of this head are bent at right angles and parallel to each other. It has a pair of extending leg plates and a plate-shaped wedge material provided at the tip of the leg plates, and the fitting part With the wedge material fitted into the receiving member, one end of the wedge material is connected to the fitting member on the plate surface of the plate material. The receiving member comes into contact at an acute angle with respect to the direction in which it is removed, and the other end of the wedge member is inside the fitting part. a clip that contacts the wall surface at an acute angle with respect to the direction in which the fitting member and the receiving member separate; It is characterized by having

[0006] In the member joining structure according to claim 2, ribs are provided on the plate surface of the plate material and the inner wall surface of the fitting part. It is characterized by the fact that it was formed.

[0007]

[Effect]

In the joining structure of the members configured above, first, a clip is attached to the plate material that makes up the mating member. Installing. In this state, the head of the clip is held at the top of the board, and the tip of the pair of legs One end of the wedge material provided at the end points toward the plate surface of the plate material in the direction in which the fitting member and the receiving member separate. It abuts at an acute angle. Here, when the receiving member is fitted to the fitting member, the wedge material The other end is at an acute angle to the inner wall surface of the fitting part with respect to the direction in which the fitting member and the receiving member separate. comes into contact with. In other words, when the fitting member is fitted to the receiving member, the clip One end of the provided wedge holds the plate surface of the board from both sides, and the other end of the wedge holds the plate surface of the board from both sides. This forces the inner wall surface of the joint to expand.

[0008] Here, when an external force is applied to separate the fitting member and the receiving member, both ends of the wedge material will Since the fitting member and the receiving member are in contact at an acute angle with respect to the direction of separation, the wedge material rotate in a direction that increases the contact angle. As a result, one end of the wedge material is attached to the plate surface of the plate material. The other end of the wedge further pushes the inner wall surface of the fitting part and expands it. Geru. This increases the force that holds the mating member and receiving member, making it easier to connect the mating part. Since the material and the receiving member do not separate, no gap is created between the joint surfaces of the pair of members.

[0009]

【Example】 FIG. 1 shows the connections of a desk leg cover 10 to which the member joining structure according to the present embodiment is applied. The combined area is shown.

0010 The joint structure is a box-shaped receiving part that is erected from the back side of one side plate 12 of the leg cover 10. The support member 14 is erected on the other side plate 16 at a position facing the support member 14. A fitting member 18 having an I-shaped cross section that fits into the inner cavity, and a fitting part 14 and the receiving member 14. clip 2 interposed between the member 18 and the receiving member 14 and the fitting member 18 Consists of 0.

[0011] A reinforcing rib 24 is provided on the outer wall surface 22 of the receiving member 14 along the axial direction of the receiving member 14. It is formed by Furthermore, the inner wall surface 26 of the receiving member 14 is also provided with a ribbon on the opposing surfaces. A tab 28 is formed extending from the base to the tip of the receiving member 14.

0012 On the other hand, the distal end of the flange portion 30 of the fitting member 18 is made narrow so that it fits into the receiving member 14. It makes it easy to connect. A reinforcing rib 32 is provided at the center of the outer surface of the flange portion 30. is shaped from the base to the tip of the fitting member 18 along the axial direction of the fitting member 18. has been completed. Note that the tip of this rib 32 is also cut into a tapered shape, and the receiving member This makes it easy to fit into 14. Also, on both sides of the web portion 34 of the fitting member 18, A rib 36 is formed from the base to the tip of the fitting member 18, and this rib 36 The tip is also tapered. In addition, the width between the flange parts 30 and the The height of the rib portion 34 is made smaller than the interval between the inner wall surfaces 20 of the receiving member 24, and This facilitates the work of assembling the material 18.

[0013] The clip 20 installed between the receiving member 14 and the fitting member 18 is a pressing plate. A head 38 as a head 38, and a head 38 bent at right angles from both sides of the head 38 and extending parallel to each other. It is composed of a pair of leg plates 40 provided. The pair of leg plates 40 have a substantially rectangular shape. Shape notches 42 are formed respectively to accommodate elastic deformation in directions of approaching and separating from each other. It's easy. The leg plate 40 also has a U-shaped notch that partially communicates with this notch 42. A groove 44 is formed, and tongue pieces 46 are formed whose free ends are bent in a direction toward each other. has been done. Furthermore, the tip of the leg plate 40 has notches 44 in the direction of separating them from each other. A claw portion 48 is formed to bend from the end. This claw portion 48 and tongue piece 46 are the same It is on the surface, that is, it has an integral shape, in other words, the claw portion 48 and the tongue piece 46 The structure is such that a chevron-shaped wedge material is formed and this wedge material is supported by both sides of the leg plate 40. Ru. Note that the dimension between the tips of the tongue pieces 46 is the same as that of both sides of the web portion 34 of the fitting member 18. The dimension between the top surfaces of the formed ribs 36 is smaller than the dimension between the top surfaces of the formed ribs 36, and the dimension between the tips of the claw portions 48 is The dimension is determined from the dimension between the top surfaces of the ribs 28 formed on the inner wall surface 26 of the receiving member 14. It has been enlarged.

[0014] Next, a connection procedure of the connection structure according to this embodiment will be explained. First, as shown in FIG. Attach the web portion 34 of the material 18, and then attach the head portion 38 of the clip 20 and the web portion 3. Press firmly on the head part 38 of the clip 20 until the tops of the clips 4 and 4 are on the same plane. The cap 20 is attached to the fitting member 18 (see FIG. 2). In this state, the tip of the tongue piece 46 The tongue pieces 4 are pushed apart by the ribs 36 formed on the web portion 34. 6 is applied with a force that clamps both sides of the web portion 34.

[0015] Next, the receiving member 14 is fitted into the fitting member 18 to which the clip 20 is attached. this At this time, the tip of the claw portion 48 of the clip 20 is formed on the inner wall surface 26 of the receiving member 14. The claw portions 48 push the inner wall surface 26 of the receiving member 14 and expand. is biased in the direction of Therefore, the receiving member 14 and the fitting member 18 are attached to the clip 20. Therefore, it is firmly joined.

[0016] Here, some external force acts on the side plates 12 and 16, and as shown in FIG. 14 and the fitting member 18 apart from each other (force in the direction of arrow A or arrow B) Assume that this has occurred. At this time, the rib of the web portion 34 is attached to the tip of the tongue piece 46. 36, a force in the direction of arrow A acts on the tip of the claw 48. A force in the direction of arrow B acts on the portion of the receiving member 14 in contact with the rib 28. vinegar That is, the claw portion 48 and tongue piece 46 as wedge members have a counterclockwise rotation in the upper side of FIG. A force moment will be generated, and a clockwise couple moment will also be generated on the lower side. Ru.

[0017] Therefore, the claw portion 48 and the tongue piece 46 are connected to the rib 28 of the receiving member 14 and the fitting member, respectively. It bites into the ribs 36 of 18 and creates a wedge action to easily connect the receiving member 14 and the fitting member 18. Do not let them leave.

[0018] In addition, in this embodiment, as an example, the clip 20 is manufactured from a metal material, and the receiving member is 14 and the fitting member 18 are made of resin material, so the claw portion 48 of the clip 20 and The tongue piece 46 can easily bite into the receiving member 14 and the fitting member 18.

[0019] Furthermore, by making the tips of the claw portion 48 and the tongue piece 46 tooth-shaped, it is possible to further improve the edibility. It becomes easier to get into the system.

[0020] Furthermore, in this embodiment, the leg plate 40 is provided with a claw portion 48 and a tongue piece 46 as wedge members, respectively. However, the object of the present invention can be achieved even if the wedge material is provided only on one side. But power Considering the balance, it is preferable to provide wedges on both sides as in this example. .

[0021] In addition, in this embodiment, a case where the present invention is applied to a desk leg cover 10 will be explained. However, it is not limited to this and can be applied to the joints of all parts. .

[0022]

[Effect of the idea]

As explained above, in the member joining structure according to the present invention, the force that causes the members to separate is When the clip acts as a wedge, it is stable against external force. It can exhibit strong holding power.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of a desk leg cover to which a member joining structure according to the present invention is applied.

FIG. 2 is a sectional view showing a joined state of the member joining structure according to the present invention.

FIG. 3 is a perspective view showing a state in which a conventional joining member is attached.

FIG. 4 is a sectional view showing a state in which a conventional joining member is attached.

[Explanation of symbols]

14 Receiving member 18 Fitting member 20 clips

Claims (2)

[Scope of utility model registration request] Claim 1: In a joining structure of members provided at a joint of a pair of members, a fitting member made of a plate material stands up from one member, and a fitting member stands up from the other member and fits with the fitting member. a receiving member formed with a fitting portion, a head held on the top of the plate, a pair of leg plates bent at right angles from both sides of the head and extending parallel to each other, and the tips of the leg plates. has a plate-shaped wedge member provided in the plate, and when the fitting member is fitted to the receiving member, one end of the wedge member is directed toward the plate surface of the plate member in a direction in which the fitting member and the receiving member are separated. a clip that abuts at an acute angle with respect to the direction in which the fitting member and the receiving member are separated, and the other end of the wedge member abuts against the inner wall surface of the fitting portion at an acute angle with respect to a direction in which the fitting member and the receiving member separate. joint structure. 2. A joining structure for members, characterized in that ribs are formed on the plate surface of the plate material and on the inner wall surface of the fitting part.