TW201417730A - Method for affixing button and button - Google Patents

Abstract

Provided is a method for affixing a button in which a pin of a button-affixing member can be set to be relatively short. A button (10) comprises a shell member (11) and a core member (20) capable of joining with the shell member (11) when the button (10) is affixed to a fabric (1) using a button-affixing member (30). The button-affixing member (30) includes a plurality of pins (32). In the method, first, the core member (20) is incompletely joined to the shell member (11) to form the button (10) in a temporarily assembled state. The pins (32) on the button-affixing member (30) are subsequently made to penetrate the fabric (1) and then the bottom part (13) of the shell member (11). The core member (20) in the button (10), which is in a temporarily assembled state, is thereafter caused to be completely joined with the shell member (11) to form the button (10) in a completed state and to cause the pins (32) on the button-affixing member (30) to be plastically deformed by the core member (20), which displaces from the temporarily assembled state to the completely assembled state in relation to the shell member (11).

Description

Pressing method and crimping

The present invention relates to a crimping attachment method and a crimping fastener, and more particularly to a method of attaching a crimping member composed of an outer casing member and a core member to a base material by a crimping mounting member having a plurality of pins, and the pressing buckle.

Conventionally, a press fastener composed of a plurality of parts including a casing member and a core member is known. Fig. 10 is a cross-sectional explanatory view showing the crimping 100 and the base material 1 together with the crimping attachment member 110, and Fig. 11 is a view showing a state in which the crimping member 100 is attached to the base material 1 by using the press-fitting member 110. Explain the picture. The press-fitting 100 is made of a metal outer casing member 101 that is opened upward (upper and lower for the paper surface of FIGS. 10 and 11), a core member 102 made of synthetic resin housed in the outer casing member 101, and a closed outer casing member 101. Three parts of the metal cover member 103 of the upper end surface are formed. Further, the press-fitting 100 is divided into a press-fitting body portion 100a and a crimping head portion 100b that is expanded in a disk shape from the upper end portion of the press-fitting body portion 100a toward the outer side in the radial direction, and the press-locking head portion 100b is inserted into clothes or the like. Pressing holes. A gap is provided between the bottom surface 102a of the core member 102 and the bottom portion 101a of the outer casing member 101, and further, the core member 102 is formed with a bottom surface. The recess 102b is recessed in a dome shape toward 102a. The press-fitting mounting member 110 has a disk-shaped base portion 111 and two pins 112 projecting from the base portion 111. The mounting of the press-fit 100 to the substrate 1 is performed by passing the pin 102 of the press-fitting member 110 through the substrate 1, and then passing through the bottom 101a of the outer casing member 101, so that the pin 102 is in the core. The recess 102b of the member 102 is plastically deformed into a U shape.

In the conventional crimping 100, when the interval between the center of the upper surface of the bottom portion 101a of the outer casing member 101 and the apex of the concave portion 102b of the core member 102 (the outer casing-core spacing) is small, the pin 112 of the crimping mounting member 110 will be Immediately after passing through the base material 1 and the bottom portion 101a of the outer casing member 101, it comes into contact with the core member 102. In this case, the pin 112 is easily deflected. In order to prevent this from occurring, in the crimping 100, the aforementioned outer casing-core spacing is made larger. However, in this case, since the front end of the pin 112 enters the recess 102b and comes into contact with the core member 102, the pin 112 then enters the outer casing member 101 from the bottom portion 101a, and the pin 112 is riveted. Therefore, the length of the pin 112 needs to be set to be relatively small. As a result, there is a problem that the manufacturing cost of the press-fastening member 110 becomes high. Further, when the pin 112 is long, the work of causing the pin 112 to be stably and riveted by the recess 102b of the core member 102 becomes difficult.

In view of the above-mentioned problems, an object of the present invention is to provide a pin capable of setting a crimping attachment member to be short, whereby the manufacturing cost of the crimping attachment member can be kept low, and the pin can be stably riveted. Connect the crimping method and crimping.

According to the present invention, there is provided a crimp mounting method which is a method of attaching a press fastener to a base material using a press-fastening member, the press buckle having an outer casing member and a core member engageable with the outer casing member, the crimp fastening member comprising a plurality of pins comprising: a process A in which the core member is incompletely coupled to the outer casing member, and the crimping member is in a temporarily assembled state; the crimping mounting member penetrates the substrate and then penetrates the bottom of the outer casing member a process B; and the core member of the press-fit member in the temporarily assembled state is completely engaged with the outer casing member, the press button is made into a completed state, and the core member is displaced from the temporarily assembled state to the completed state by the core member. Process C for plastic deformation of the pin of the crimping mounting member.

In the present invention, the crimping of the temporarily assembled state in which the core member is incompletely coupled to the outer casing member is made into a state in which the core member is completely joined to the outer casing member, and the pin of the crimping mounting member is given by the core member. Riveting. Thereby, the pin of the crimping attachment member penetrating the base material can be deeply accommodated in the outer casing member from the bottom before the caulking is started. Moreover, since the pin is swaged while the core member is displaced to the outer casing member, it is not necessary to further accommodate the pin to the outer casing member when the caulking is performed. Therefore, the pin of the crimping mounting member can be made shorter.

In the present invention, as a material of the outer casing member, it is desirable Metals such as aluminum alloys, titanium alloys, copper alloys, and magnesium alloys are exemplified, but are not limited to these alloys. The material of the core member is preferably a thermoplastic resin such as a general-purpose plastic or an engineering plastic, but is not limited to these plastics. The substrate comprises a fabric, a cloth, a non-woven fabric, a felt, a leather, a resin sheet, and the like. Further, in a preferred embodiment of the present invention, the pin of the crimping attachment member is two, but the invention is not limited thereto. Further, in an embodiment of the present invention, the crimping member is composed of two members of the outer casing member and the core member, but other members such as a cover may be attached.

In one embodiment of the present invention, the interval between the bottom surface of the core member and the bottom portion of the outer casing member is reduced from the temporarily assembled state to the completed state. The large gap between the bottom surface of the core member in the temporarily assembled state and the bottom of the outer casing member allows the pin of the crimping member to be deeply received in the outer casing member before being swaged. Further, the pin of the crimping attachment member may be caulked by the core member while narrowing the interval between the bottom surface of the core member and the bottom portion of the outer casing member from the temporarily assembled state to the completed state.

In one embodiment of the present invention, the core member has a concave portion recessed in a dome shape on a bottom surface thereof, and the pin of the crimping attachment member is plastically deformed by the concave portion in the process C. The pin of the crimping attachment member that penetrates the base material and the bottom of the outer casing member is received by the concave portion and contacts the core member, and is then caulked by the concave spherical surface of the concave portion of the core member displaced by the outer casing member.

In one embodiment of the present invention, the outer casing member includes a hollow cylindrical peripheral side portion that is open upward, and the core member includes the aforementioned a cylindrical main body portion on the side portion of the circumference and a head portion that is enlarged outward in the radial direction from the upper end portion of the main body portion, and the press-fit in the temporarily assembled state of the process A is attached to the lower surface of the head portion of the core member and the outer casing member There is a gap between the top. In this case, when the press-fit is changed from the temporarily assembled state to the completed state, the gap between the lower surface of the head of the core member and the upper surface of the outer casing member substantially disappears.

According to another aspect of the present invention, there is provided a press buckle which is a press fastener mounted on a base material using a press-fastening mounting member having a plurality of support pins, wherein the press buckle is composed of the outer shell member and the core member. The outer casing member includes a hollow cylindrical peripheral side portion that opens upward, and the core member includes a cylindrical main body portion coupled to the circumferential side portion and radially outward from the upper end portion of the main body portion. In the enlarged head portion, the main body portion has a concave portion recessed in a dome shape on the bottom surface thereof.

The crimping fastener can be attached to the substrate using the above-described crimp mounting method of the present invention. That is, first, a temporarily assembled state in which the outer casing member and the core member are not completely joined is formed. Next, the pin of the crimping attachment member is passed through the base material and then passed through the bottom of the outer casing member. Then, the above-mentioned temporarily assembled state of the crimping core member is completely engaged with the outer casing member, the crimping member is made into a completed state, and the crimping member is mounted by shifting the outer casing member from the temporarily assembled state to the completed state. The pins of the component are riveted.

In one embodiment of the present invention, the outer casing member includes a flange portion extending radially outward from an upper end side of the circumferential side portion, and a head portion of the core member has a flange receiving portion that receives the flange portion. When the outer shell When the flange portion of the member is in the completed state from the temporarily assembled state, it is received by the flange receiving portion of the core member.

In one embodiment of the present invention, the outer casing member has a projection that protrudes inward in the radial direction at the side portion. Such a projection serves to make the core member less likely to be detached from the outer casing member by biting into the outer peripheral surface of the main body portion of the core member when the crimping member is brought into a completed state from the temporarily assembled state.

In one embodiment of the present invention, the core member has a recessed portion that receives a part of the outer casing member on an outer circumferential surface of the main body portion. Such a depressed portion serves to prevent the core member from being detached from the outer casing member by receiving a part of the outer casing member when the crimping member is brought into a completed state from the temporarily assembled state.

In the present invention, the pin of the press-fitting member can be swaged by the core member that displaces the outer casing member while the press-fit in the temporarily assembled state is completed. Therefore, the pin of the press-fitting member that penetrates the base material can be deeply received in the outer casing member before the swaging, and it is not necessary to further receive the pin into the outer casing member when the swaging is performed. Therefore, the pin of the press-fitting member can be made short, and the manufacturing cost of the press-fitting member can be suppressed to be low, and the pin can be easily and stably riveted.

1‧‧‧Substrate

10, 10A, 10B‧‧‧ buckle

11‧‧‧ Shell components

12‧‧‧ week side

13‧‧‧ bottom

14, 14B‧‧‧Flange

16‧‧‧ Protrusion

20‧‧‧ core components

21‧‧‧ Main body

22‧‧‧ head

24‧‧‧ recess

25‧‧‧Depression

30‧‧‧Reel mounting components

31‧‧‧ base

32‧‧ ‧ sales

Fig. 1 is a cross-sectional explanatory view showing a state in which a press-fitting according to an embodiment of the present invention is immediately attached to a base material by using a press-fitting member, and the press-lock is in a temporarily assembled state.

Fig. 2 is a cross-sectional explanatory view showing a time point at which the pin of the press-fitting member passes through the base material in the mounting process of the press-fitting.

Fig. 3 is a cross-sectional explanatory view showing a time point at which the pin of the crimping attachment member penetrates the bottom of the outer casing member after entering the bottom portion of the outer casing member to contact the core member.

Fig. 4 is a cross-sectional explanatory view showing a state in which the crimping member is attached to the base material, and the press button is in a completed state.

Fig. 5 is a graph showing the relationship between the amount of drop of the core member and the load applied to the pin from the time point when the pin of the crimping attachment member penetrates the base material to the time when the pin is swaged.

Fig. 6 is a cross-sectional explanatory view showing a modification of the press button of the present invention.

Fig. 7 is a cross-sectional explanatory view showing another modification of the press button of the present invention.

Fig. 8 is an enlarged cross-sectional view showing a part of the press button of Fig. 7.

Fig. 9 is an enlarged cross-sectional view showing a part of the press button of Fig. 7 in a completed state.

Fig. 10 is a cross-sectional explanatory view showing a conventional crimping ring together with a base material and a crimping attachment member.

Fig. 11 is a cross-sectional explanatory view showing a state in which the press button of Fig. 10 is attached to a base material.

In the following, the preferred embodiments of the present invention are described with reference to the drawings, but the present invention is not limited to the embodiments, and various modifications can be made within the scope and scope of the claims. Fig. 1 is a cross-sectional explanatory view showing a state in which the crimping member 10 according to the embodiment of the present invention is immediately attached to the base material 1 by using the press-fitting member 30. When the presser 10 is attached to the base material 1, the presser 10 and the press-fitting member 30 are attached to the upper die 40 and the lower die 50 of the press device, respectively. The press button 10 is composed of two parts of a metal outer casing (housing) member 11 and a metal core member 20 joined to the outer casing member 11. The outer casing member 11 includes a hollow cylindrical circumferential side portion 12 and a lower end surface of the closed circumferential side portion 12 (the upper and lower sides are based on the paper surface of Fig. 1 and the like. The pressure fastener 10 is disposed above the substrate 1 and is disposed below. a bottom portion 13 of the crimping attachment member 30); and a flange portion 14 extending radially outward from an upper end of the circumferential side portion 12. The circumferential side portion 12 of the outer casing member 11 is open upward. The bottom portion 13 of the outer casing member 11 is provided with an annular recessed portion 15 that receives the pin 32 of the crimping attachment member 30, which will be described later, when it passes through the bottom portion 13 and is recessed upward. The core member 20 may be made of synthetic resin.

The core member 20 includes a main body portion 21 that is housed in the inner side of the circumferential side portion 12 of the outer casing member 11 and a head portion 22 that is expanded in a disk shape from the upper end portion of the main body portion 21 toward the outer side in the radial direction. The length of the head portion 22 protruding outward in the radial direction from the outer peripheral surface of the main body portion 21 is approximately twice the length of the flange portion 14 of the outer casing member 11 protruding outward from the circumferential side portion 12 in the radial direction. On the lower side of the head 22 of the core member 20, A flange receiving portion 23 which is annularly recessed upward is provided for receiving the flange portion 14 of the outer casing member 11 when the core member 20 is completely coupled to the outer casing member 11 (refer to FIG. 4). Further, the core member 20 has a concave portion 24 that is recessed in a dome shape upward in the bottom surface 21a of the main body portion 21. The recess 24 is concentric with respect to the outer circumference of the bottom surface 21a, and is hereinafter referred to as a member for performing a desired plastic deformation, that is, a riveting, of the pin 32 of the press-fitting member 30. Since the recessed portion 24 has a dome shape, and the tip end of the pin 32 is plastically deformed along the shape of the recessed portion 24, the tip end of one of the pins 32 is plastically deformed toward the pin close to the other. The direction of 32 is curved. The inner diameter of the circumferential side portion 12 of the outer casing member 11 is formed to be slightly smaller than the outer diameter of the main body portion 21 of the core member 20. Therefore, by pressing the main body portion 21 of the core member 20 to the circumferential side portion 12 of the outer casing member 11, the core member 20 and the outer casing member 11 can be slightly expanded while the circumferential side portion 12 of the outer casing member 11 is slightly expanded outward in the radial direction. Integrated in one piece (see Figure 4). The press button 10 shown in FIG. 1 is in a state in which the main body portion 21 of the core member 20 is inserted into the peripheral side portion 12 of the outer casing member 11, and the core member 20 is not completely joined to the outer casing member 11 (hereinafter referred to as Temporary assembly status). In the temporarily assembled state, since the main body portion 21 of the core member 20 presses the circumferential side portion 12 of the outer casing member 11 outward in the radial direction, the core member 20 is not easily separated from the outer casing member 11. 4 shows a state in which the main body portion 21 of the core member 20 is further pressed toward the peripheral side portion 12 of the outer casing member 11 from the temporarily assembled state, and the core member 20 is completely coupled to the outer casing member 11 (hereinafter referred to as a completed state). The press-fitting 10 in the completed state is divided into a press-fitting main body portion 10a and a disk-shaped expansion from the upper end portion of the press-fitting main body portion 10a toward the outer side in the radial direction. The buckle head 10b. The state in which the temporarily assembled state is incompletely coupled means that the positional relationship of the combined state of the outer casing member 11 and the core member 20 is different from the completed state. Specifically, the dimension (also referred to as the interval) from the portion of the outer casing member 11 to the upper and lower portions of the core member 20 in the temporarily assembled state is a positional relationship of a larger size than the completed state. Further, the size of the upper center point of the bottom portion 13 of the outer casing member 11 and the upper center point of the head portion 22 of the core member 20 is also larger than the same size in the completed state in the temporarily assembled state. In other words, in the temporarily assembled state, there is a gap between the lower surface of the head portion 22 of the core member 20 and the upper surface of the outer casing member 11 (for example, the upper surface of the flange portion 14 shown in Fig. 1). Here, the lower surface of the head 22 is the face of the flange receiving portion 23. Further, in the case where the flange portion 14 is not formed in the outer casing member 11, the upper surface of the outer casing member 11 is the end surface on the open side of the circumferential side portion 12.

The press-fitting attachment member 30 has a disk-shaped base portion 31 and two pins 32 projecting in parallel from the base portion 31 and having a thin front end. In the base portion 31, a metal cover 33 is covered from the lower surface side of the base portion 31. The base 31 and the pin 32 other than the cover 33 are integrally formed of a resin or a metal material. The spacing between the front ends of the two pins 32 is substantially the same as the diameter of the recess 15 of the bottom portion 13 of the outer casing member 11 of the crimping member 10.

Next, as an embodiment of the crimping attachment method of the present invention, the order in which the crimping member 10 is attached to the base material 1 by the press-fitting attachment member 30 will be described. The press button 10 is a temporary assembled state in which the outer casing member 11 and the core member 20 are combined in advance, and the head portion 22 of the core member 20 of the crimping member 10 in the temporarily assembled state is held from the bottom surface of the upper stamper 40. to The crimp holding portion 41 that is recessed upward. Moreover, the base portion 31 of the press-fitting attachment member 30 is placed on the upper surface of the lower mold 50 from the mounting member holding portion 51 which is recessed downward. The substrate 1 is further disposed between the press button 10 and the press-fitting member 30. When the press device is actuated in this state, the upper die 40 is lowered toward the lower die 50, whereby the presser 10 is lowered, and the base member 1 is fixed by the press-fitting attachment member 30 as will be described later. In addition, the mounting of the press button 10 toward the substrate 1 can be performed by lowering the press button 10, or by pressing the press-fitting member 30 to the press button 10 in a stationary state, or by pressing the press button 10 or the press-fit member. 30 moves in the horizontal direction.

2 shows a press-fit 10 in a temporarily assembled state in which it is lowered together with the upper stamper 40, and presses the base material 1 on the two pins 32 of the press-fitting attachment member 30 supported by the lower stamper 50, whereby the pin 32 is pressed. The substrate 1 is penetrated upward, and the press button 10 enters the recess 15 of the bottom portion 13 of the outer casing member 11. 3 is a view showing a state in which the upper die 40 is further lowered from the state of FIG. 2, and the pin 32 penetrates the bottom portion 13 of the outer casing member 11 and enters the concave portion 24 of the core member 20 and comes into contact with the core member 20. At this point of time, the base material 1 is pressed against the base portion 31 of the crimping attachment member 30 by the outer casing member 11 of the crimping member 10, and the outer casing member 11 of the crimping member 10 is located at the lowest position that cannot be moved further in the vertical direction. When the upper die 40 is further lowered from this state, only the core member 20 of the press button 10 is continuously lowered. Thereby, as shown in FIG. 4, the main body portion 21 of the core member 20 deeply enters into the circumferential side portion 12 of the outer casing member 11, so that the crimping member 10 is in a completed state. At the same time, the pin 32 of the crimping mounting member 30 is plastically deformed along the concave spherical surface of the recess 24 of the main body portion 21 to form a curved shape (J shape), and the press buckle 10 is fixed to the substrate 1. When the press button 10 is in the completed state, the flange portion 14 of the outer casing member 11 is received by the flange receiving portion 23 of the core member 20.

In the above crimping member 10, the interval between the upper center point of the bottom portion 13 of the outer casing member 11 and the apex (the uppermost point) of the concave portion 24 of the core member 20 (hereinafter referred to as the outer casing-core spacing) is The larger G (see FIG. 1) in the temporarily assembled state is reduced to g in the completed state (see FIG. 4). Moreover, after the pin 32 of the crimping attachment member 30 penetrates the bottom portion 13 of the base material 1 and the outer casing member 11, it enters the recess 24 of the core member 20 and comes into contact with the core member 20 (refer to FIG. 3). Since the casing 10 is in the temporarily assembled state, the core is spaced apart from each other. Therefore, the pin 32 does not penetrate the base member 1 and the bottom portion 13 of the outer casing member 11 and immediately contacts the core member 20. Therefore, there is no possibility that the pin 32 is easily seated. Further, after the front end of the pin 32 enters the recess 24 to contact the core member 20, the pin 32 does not further enter the outer casing member 11 from the bottom portion 13, and the core member 20 descends and the pin 32 is riveted. Therefore, the length of the pin 32 can be set to be short. As an example, the length of the conventional pin is 8 mm, and in the present invention, it can be made 7 mm, and the length can be set to 1 mm. Moreover, in the same example, the outer-core spacing G in the temporarily assembled state is 5 mm, and the outer-core spacing g in the completed state is 2 mm, and the conventional outer-core spacing is 3.4 mm. The substrate is 1 mm. In the present invention, when the length of the outer-shell spacing G of the pin-to-temporary state is compared, the outer-core spacing G is made to be larger than one half of the length of the pin. Therefore, until the front end of the pin 32 comes into contact with the core member 20, more than half of the pin 32 enters the outer casing member 11, and thus, compared with the past, It is less likely to cause a squat. Further, as an example, in the temporarily assembled state, the force for detaching the core member 20 from the outer casing member 11 is released by a force smaller than the force of the completion state, and in the completed state, the force of the general use state is not detached. produce. Further, the size from the upper surface of the outer casing member 11 to the upper surface of the bottom portion 13 is 9 mm, and the size of the main body portion 21 of the core member 20 in the upper and lower directions (the size from the lower surface of the head portion 22 of the core member 20 to the lower surface of the main body portion 21) It is 8 mm, and in the temporarily assembled state, the main body portion 21 is joined to the inside of the outer casing member 11 by 5 mm. That is, in the temporarily assembled state, the size of the lower surface of the main body portion 21 (around the concave portion 24) and the upper surface of the outer casing member 11 (the upper surface of the flange portion 14) is 5 mm, and the size of the main body portion 21 in the vertical direction is more than half. The inside is joined to the inside of the outer casing member 11, and therefore, the temporarily assembled state can be stably maintained. Further, a gap of 3 mm is provided between the upper surface of the outer casing member 11 and the lower surface of the head portion 22 of the core member 20. In the completed state, the gap of 3 mm disappears and becomes almost 0 mm.

In the conventional crimping device 100 shown in FIGS. 10 and 11, the material of the outer casing member 101 and the core member 102 are the same as those of the crimping member 10, and the length in the vertical direction, the crimping main body portion 100a, and the pressing head portion are the same. The outer diameter of 100b is substantially the same as the main body portion and the head portion of the crimping member 10 in the completed state. Furthermore, the outer casing-core spacer of the crimping 100 is substantially the same as the outer-core spacing G of the crimping member 10 in the temporarily assembled state. Further, the crimping attachment member 110 and the crimping attachment member 30 shown in Figs. 10 and 11 are the same except that the former pin 112 is longer than the latter pin 32. The press button 100 is similar to the press button 10 in that the pin 112 of the press-fit mounting member 110 does not penetrate the base member 1 and the bottom portion 101a of the outer casing member 101. Immediate contact with the core member 102. However, after the front end of the pin 112 enters the recess 102b and contacts the core member 102, the pin 112 still enters the outer casing member 101 from the bottom portion 101a and is riveted. Therefore, the length of the pin 112 of the crimping mounting member 110 needs to be set longer than the pin 32 of the crimping mounting member 30.

5 is a view showing the riveting of the pin buckles 10 of the present invention and the pins 32, 112 of the crimping attachment members 30, 110 through the substrate 1 from the time point A to the pins 32, 112 when the press fastener 10 of the present invention is attached to the base material 1. A graph showing the relationship between the amount of drop (stroke) of the core members 20 and 102 and the load applied to the pins 32 and 112 at the time points E and G which are respectively terminated. In the conventional crimping 100, when the crimping 100 is further lowered from the time point A at which the pin 112 of the crimping attachment member 110 penetrates the base material 1, the load will be applied until the time point B at which the pin 112 penetrates the bottom portion 101a of the outer casing member 101. rise. Next, the front end of the pin 112 enters the concave portion 102b of the core member 102 and comes into contact with the core member 102 (time point F). At this time point F, the pin 112 is swaged and the load is further increased, and the caulking is completed at the time point G. When riveting from the time point F to the time point G, the load applied to the pin 112 rises from about 26 kg to about 70 kg. Further, from the time point A to the time point G, the amount of drop of the core member 102 is 7.5 mm. On the other hand, in the press button 10 of the present invention, when the press button 10 is further lowered from the time point A through which the pin 32 of the press-fitting member 30 penetrates the base material 1, until the time when the pin 32 penetrates the bottom portion 13 of the outer casing member 11 Up to B, the load will rise substantially the same as the crimp 100. Next, the front end of the pin 32 enters the recess 24 of the core member 20 to contact the core member 20 (time point C). In the past, the crimping 100, from the pin 112 The amount of lowering of the core member 102 from the time point B of the bottom portion 101a of the outer casing member 101 to the time point F of contact with the core member 102 is about 2 mm, whereas the buckle 10 of the present invention is from the time point B to The core member 20 is lowered by about 4 mm until the time point C at which the pin contacts the core member 20. Thus, by the amount of decrease from the time point B to the time point F, the amount of decrease from the time point B to the time point C is large, so that the pin penetrating the bottom portion enters into the outer casing member more, and therefore, the pin is sold in comparison with the past. It is not easy to bend (stiffness) before entering the outer casing member. By gradually entering the core member 20 of the outer casing member 11 from the time point C, the pin 32 is swaged, whereby the load is further increased and the caulking is completed at the time point E. The time point D in the way from the time point C to the time point E is the point in time at which the core member 20 has been completely pressed into the outer casing member 11, and then the buckle 10 of the completed state is lowered to some time point E. When riveting from the time point C to the time point E, the load applied to the pin 32 is greatly increased from about 33 kg to about 120 kg. Further, from the time point A to the time point E, the amount of drop of the core member 20 is 9.5 mm.

Fig. 6 is a view showing a temporarily assembled state of the press button 10A of a modification of the press button 10. The press-fitting 10A is the same as the crimping member 10 except for the feature portion (the projection 16 of the outer casing member 11) described below. Therefore, the same reference numerals as those of the crimping member 10 are used except for the characteristic portions, and the description thereof will be omitted. The press button 10A has a ring-shaped projection 16 that slightly protrudes toward the inner side in the radial direction at a position lower than the intermediate point of the circumferential side portion 12 of the outer casing member 11 in the vertical direction. The projection 16 is located below the bottom surface 21a of the core member 20 in the immediately assembled state. The protrusions 16 play the following roles, that is, when When the main body portion 21 of the core member 20 in the assembled state enters the peripheral side portion 12 of the outer casing member 11 and is in the completed state, the protrusion 16 bites into the outer peripheral surface of the main body portion 21 of the core member 20, making it difficult to core. The member 20 is detached from the outer casing member 11.

Fig. 7 is a view showing a temporarily assembled state of the press button 10B of another modification of the press button 10. The press button 10B is the same as the crimping member 10 except for the feature portion described below (the flange 14B of the outer casing member 11 and the recessed portion 25 of the core member 20), and therefore the same as the crimping member 10 except for the characteristic portion. The figure number is omitted and its description is omitted. The press button 10B has an annular recessed portion 25 that is slightly recessed toward the inner side in the radial direction at a position below the flange receiving portion 23 of the outer peripheral surface of the main body portion 21 of the core member 20. In addition, the outer casing member 11 of the press-fitting 10B has a curved flange portion 14B that extends radially outward from the upper end of the fixed-diameter portion of the peripheral side portion 12 and gradually expands in diameter. The curvature of the peripheral side portion 12 of the press portion 10B of the flange portion 14B is smaller than that of the press button 10. Fig. 8 is an enlarged view showing the depressed portion 25 and the flange portion 14B in a temporarily assembled state. When the press button 10B is in the completed state from this state, as shown in an enlarged view in FIG. 9, the flange portion 14B is received by the flange receiving portion 23 of the core member 20. Thereby, the curved flange portion 14B is deformed to a nearly right angle by the flange receiving portion 23, whereby the radially inner portion of the base end portion of the flange portion 14B enters the recess portion 25. When a part of the flange portion 14B enters the recessed portion 25 of the core member 20, the core member 20 is prevented from being detached from the outer casing member 11. Furthermore, the recessed portion 25 may be continuous over the entire circumference of the main body portion 21 of the core member 20, or may be plural.

1‧‧‧Substrate

10‧‧‧ buckle

11‧‧‧ Shell components

12‧‧‧ week side

13‧‧‧ bottom

14‧‧‧Flange

15‧‧‧Depression

20‧‧‧ core components

21‧‧‧ Main body

21a‧‧‧Bottom of the main body

22‧‧‧ head

23‧‧‧Flange Acceptance Department

24‧‧‧ recess

30‧‧‧Reel mounting components

31‧‧‧ base

32‧‧ ‧ sales

33‧‧‧ cover

40‧‧‧Top stamper

41‧‧‧ Pressing and retaining department

50‧‧‧ below the stamper

51‧‧‧Installation member retention unit

Claims (8)

A crimping mounting method is a method of attaching a press fastener (10, 10A, 10B) to a base material (1) using a press-fitting mounting member (30), and the crimping member (10, 10A, 10B) is provided with a housing member (11) And a core member (20) that can be coupled to the outer casing member (11), the crimping mounting member (30) comprising a plurality of pins (32), comprising: the core member (20) to the outer casing member (11) Incompletely combining, the crimping (10, 10A, 10B) is made into a process A in a temporarily assembled state; the pin (32) of the crimping mounting member (30) is passed through the substrate (1), and then penetrates the foregoing a process B of the bottom portion (13) of the outer casing member (11); and a core member (20) of the press-fit (10, 10A, 10B) of the temporarily assembled state is completely engaged with the outer casing member (11), and the crimping member ( 10, 10A, 10B) is made into a completed state, and the pin (32) of the crimping mounting member (30) is plastically deformed by shifting the outer casing member (11) from the temporarily assembled state to the finished core member (20). Process C. The crimping method of claim 1, wherein the space between the bottom surface (21a) of the core member (20) and the bottom portion (13) of the outer casing member (11) is from the temporary assembly state to the completion state. Zoom out. The crimping method of claim 1 or 2, wherein the core member (20) has a recessed portion (24) recessed in a dome shape on the bottom surface (21a), and the crimping mounting member (30) The pin (32) is plastically deformed by the recess (24) in the process C described above. The crimping method of claim 1 or 2, wherein the outer casing member (11) comprises a hollow cylindrical peripheral side open upward The core member (20) includes: a cylindrical main body portion (21) housed in the circumferential side portion (12); and a head that expands radially outward from an upper end portion of the main body portion (21) (22) The press-fit (10, 10A, 10B) of the temporary assembly state of the process A described above has a gap between the lower surface of the head (22) of the core member (20) and the upper surface of the outer casing member (11). A press button is a press button (10, 10A, 10B) mounted on a substrate (1) using a press-fit member (30) having a plurality of pins (32), wherein the press button is a case The member (11) is composed of two members of the core member (20), and the outer casing member (11) includes a hollow cylindrical peripheral side portion (12) that opens upward, and the core member (20) includes: a cylindrical main body portion (21) of the circumferential side portion (12); and a head portion (22) extending radially outward from an upper end portion of the main body portion (21), the main body portion (21) being attached to a bottom surface thereof ( 21a) has a recess (24) that is recessed into a dome shape. The crimping member according to claim 5, wherein the outer casing member (11) includes a flange portion (14, 14B) extending radially outward from an upper end side of the peripheral side portion (12), the core member ( The head (22) of 20) has a flange receiving portion (23) that receives the flange portions (14, 14B). For example, the crimping device of the fifth aspect of the patent application, wherein the foregoing outer casing structure The piece (11) has a projection (16) that protrudes inward in the radial direction in the circumferential side portion (12). The crimping member of claim 6, wherein the core member (20) has a recessed portion (25) for receiving a part of the outer casing member (11) on an outer peripheral surface of the main body portion (21).