JP5528767B2 - Push hook female hook - Google Patents

Description

  The present invention relates to a female hook of a push hook for performing engagement between an engaging portion to be fastened and an engaged portion in, for example, a wallet or a second back.

  Generally, there are various shapes and materials of an engagement tool called a push hook, but many of them are made of a metal material such as brass, aluminum alloy, or steel.

  Among the push hooks, the male hooks generally called dowels have an overall ridge and are provided with depressions in the rear peripheral part with respect to the top part, and many are made by pressing or drawing a metal material. Was forming. In addition, dowels related to some high-quality products have been formed by processing a cylindrical metal material as a male hook that forms an overall ridge.

  On the other hand, the female hook that engages and is attached to the male hook by engaging the protruding portion of the male hook is assumed to have an overall flat and substantially cylindrical appearance, and has a circular one end surface. An opening for engaging the male hook is provided at the center, and a female hole is provided inside the opening to accommodate the protruding portion of the male hook engaged from the opening. And in the inside of the female hole in this female hook, it is urged | biased toward the internal center side of the said female hole, and it can be engaged with the hollow of the male hook engage | inserted in a female hole from opening. An engagement spring is provided.

  For example, the female hook 1 in the conventional push hook shown in FIG. 21 is provided with a female hook main body 2 that is entirely flat and has a substantially cylindrical appearance, and is formed entirely of a metal material. An opening 3 is provided at the center of the end surface of the female hook body 2 forming a circle, and a female hole 4 is provided inside the opening 3.

  In the internal space in the female hole 4 of the female hook body 2, an engagement spring 5 having a substantially planar shape is provided, and a part of the engagement spring 5 is formed inside the female hole 4 with an arrow A. The direction is biased toward the inner center side of the female hole 4. As shown in FIG. 22, the female hook 1 formed in this manner has a center of the back surface of the other end that is circular as shown in FIG. Material).

  On the other hand, the male hook 8 engaged with the female hook 1 is formed by attaching the base portion to an engaging face material 9 (cloth, leather, etc.) as an engaging portion. It shall be provided with the whole protruding item | line which makes a front part protrude toward it. A recess 10 is provided in the rear peripheral part with respect to the head part, and the male hook 8 engages the head part with the opening 3 of the female hook 1 as shown by an arrow B, and in the female hole 4 inside the opening 3, The front portion of the male hook 8 can be engaged.

  The male hook 8 is engaged with the female hook 1 by engaging the male hook 8 with the engaging spring 5 that pushes the leading portion of the male hook 8 against the female hole 4 from the opening 3 and is biased in the direction of arrow A. On the other hand, the depression 10 of the male hook 8 is engaged. Thereby, the to-be-attached surface material 7 as an to-be-engaged part and the engaging surface material 9 as an engaging part will be mutually engaged.

  On the other hand, to disengage the male hook 8 from the female hook 1, the male hook 8 is pulled out from the female hole 4, and the spring 5 and the depression 10 are resisted against the urging force of the engagement spring 5 in the direction of arrow A. By releasing the engagement, the male hook 8 is detached from the female hook body 2 and performed.

  With respect to the female hook 1 having such a configuration, since the engaging spring 5 having a biasing force must be built in the female hook body 2 having a generally flat cylindrical shape, many female hook bodies 2 are As shown in FIG. 22, two assembly materials 2A and 2B made of a thin metal material are combined to form.

  That is, in this way, the metal material composed of the two assembly materials 2A and 2B can only be formed by pressing or drawing due to processing requirements or microscopicity as a part.

JP 2008-1119064 A

  By the way, unlike the female hook 1 in the conventional push hook shown in FIG. 21 or the female hook shown in the above-mentioned Patent Document 1, the applicant has tried to form the female hook body itself of the female hook by cutting. This is because conventional dowels have cutting products, and such products have a profound feeling in terms of design, and there is a demand for high-end products.

On the other hand, for female hooks, there were only thin-walled press-processed products and drawn products, so it was not possible to create a sense of quality as a single product, and press-processed products and drawn products to cover it. Attempts have been made to create a profound feeling by plating the female hook as a product.

  However, in the female hook that has been plated in this way, the plating process including the engagement spring housed inside is performed, so that a slight change in the dimensional tolerance for engagement with the dowel occurs due to plating. In addition, an excessive load is applied to the engagement spring, and there is a problem that the life of the female hook is reduced correspondingly.

  The applicant has completed the present invention while resolving such conventional problems, developing a female hook in a push hook that has a high-class feeling and is excellent in design, through repeated trial and error. That is, the present invention has an object to provide a female hook in a push hook that has an overall appearance and is excellent in design.

In order to achieve the above-mentioned object, claim 1 of the present invention has an overall flat and substantially cylindrical appearance, has an overall ridge at the center of one end surface that forms a circle, and has a recess in the rear peripheral part with respect to the front part. A female hook body comprising: an opening for engaging a male hook of the provided push hook; and a female hole comprising a space for accommodating the male hook engaged from the opening inside the opening; and the female hook body An engagement spring that is urged toward the inner center of the female hole and is engageable with a depression of a male hook inserted into the female hole from the opening. So that the male hook is pushed into the female hole and engaged with the male hook by engaging the engagement spring with the depression of the male hook, and the male hook is pulled out from the female hole. The spring against the biasing force of the engagement spring In the female hook of the push hook that has been disengaged from the female hook main body by releasing the engagement with the depression, the female hook main body cuts a flat cylindrical metal material. A female hole comprising an opening for engaging a male hook at the center of one circular end surface, and a space for accommodating the male hook inside the opening, is formed so as to have a substantially cylindrical appearance as a whole. A cylindrical metal material is formed by cutting so as to define a concave portion at the center of one end surface forming a circular shape, and the other end back surface forming the circular shape of the cylindrical metal material defining the concave portion has a surface side An annular groove is formed in the outer peripheral position of the recess defined at the center of the groove to accommodate an engagement spring that is provided in a state of cutting the back surface of the other end, and the annular groove and the surface formed on the back surface side. Between the recess formed on the side , Passes between the recess and the annular groove, the center of the recess at least two slits are extended to mutually different opposite radial cutting formation as a reference, the engagement spring, in an annular groove An engagement body that is accommodated and biased so as to protrude toward the recess from each slit is provided, and the annular groove prevents the accommodated engagement spring from falling off the annular groove. Therefore, a circumferential concave portion for positioning the engaging spring is provided by cutting a metal material on the outer peripheral side with respect to the center of the female hook body in the annular groove, and the male hook is disposed with respect to the female hole. Engage with the male hook by engaging with the engagement body of the engagement spring protruding from each slit in the depression of the male hook, and pulling out the male hook from the female hole. Engagement spring A female hook of a push hook that can release the engagement of the male hook from the female hook main body by releasing the engagement between the engaging body of the spring and the depression against the biasing force of the spring.

The second aspect, the engagement spring which is accommodated in the annular groove corresponds to the number of slits provided between the recess and the annular groove, and shall be at least two with respective engaging spring, wound The two arms are extended in different directions around the section, and each arm is a torsion coil spring biased in the separation direction around the winding part. Each torsion coil spring has one arm in the annular groove. Positioned in contact with the outer peripheral side with respect to the center of the female hook body, the other arm is urged to protrude from the slit toward the recess, and the protruding portion of the other arm is pushed against the depression of the male hook. The female hook of the push hook according to claim 1, which is an engaging body.

According to a third aspect of the present invention, the winding portion of each torsion coil spring accommodated can be positioned at a predetermined angular position on the inner peripheral side or the outer peripheral side with respect to the center of the female hook body in the annular groove. The female hook of the push hook according to claim 2 , wherein a curved concave portion is formed.

According to a fourth aspect of the present invention, in the torsion coil spring as each engagement spring accommodated in the annular groove and provided with at least two, the other arm as the engagement body protruding from each slit is in a parallel state to each other. It is set as the female hook of the push hook of Claim 2 set as follows.

According to a fifth aspect of the present invention, at least two torsion coil springs, each of which is accommodated in the annular groove, are positioned in contact with the outer peripheral side with respect to the center of the female hook body in the annular groove. The female hook of the push hook according to claim 2 , wherein the shape of the one arm is curved so as to correspond to the curvature of the outer peripheral portion in contact with the arm.

Further, according to a sixth aspect of the present invention, the center of the back surface of the other end forming the circular shape in which the annular groove of the female hook body is formed is penetrated toward the center of the concave portion of the one end surface forming the circular shape, and is inserted from the back surface side of the other end. The push hook female hook according to claim 1, wherein a fastener hole is inserted through the fastener and the female hook main body is fixed to the surface material.

  According to the present invention, a female hook of a push hook as a micro component is formed so as to have an overall substantially cylindrical appearance by cutting a flat metal material having a generally cylindrical shape. It is possible to dispose an engaging spring that can be engaged with the recess of this, thereby providing a female hook of a push hook that has an overall appearance and is excellent in design.

It is a perspective view which shows the push hook which concerns on embodiment of this invention, and concerns on the state which engages a male hook with respect to a female hook. It is a perspective view which shows the wallet provided with the push hook. It is sectional drawing which follows the III-III line | wire of FIG. 2 which shows the engagement state of the male hook with respect to a female hook. It is sectional drawing which shows the state which disengaged the male hook from the female hook. It is a top view which follows the VV line | wire of FIG. It is sectional drawing which follows the VI-VI line of FIG. It is a perspective view which shows the attachment state with respect to the engaging surface material of a female hook main body. It is a perspective view which shows the accommodation state of the engagement spring with respect to the annular groove of a female hook main body. It is a top view which concerns on the accommodation state of the engagement spring with respect to the annular groove of a female hook main body, and shows the state before accommodation. It is a top view which shows the accommodation process of an engagement spring. It is sectional drawing which shows the accommodation process of an engagement spring. It is a top view which shows the state which accommodated the engagement spring in the annular groove. It is sectional drawing which concerns on the process which forms a female hook main body by cutting, and cuts a cylindrical metal material. It is sectional drawing which shows the state which forms a recessed part in a female hook main body. It is sectional drawing which shows the state which forms a slit in a female hook main body. It is sectional drawing which shows the state which forms an annular groove in a female hook main body. It is sectional drawing which shows the state which provides the circumferential recessed part in a female hook main body. It is a top view which shows the state which forms the curved recessed part which positions the winding part of a torsion coil spring in a female hook main body. It is sectional drawing similar to FIG. 6 which shows the state which engaged the engagement spring of the modification with the annular groove. It is sectional drawing similar to FIG. 6 which shows the state which engaged the engagement spring of the modification with the annular groove. It is a perspective view which shows the conventional female hook. It is sectional drawing which shows the state which engages the male hook in the conventional push hook with respect to the female hook.

  Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings. 1 to 18 show a female hook of a push hook according to an embodiment of the present invention. The push hook according to the embodiment makes it possible to engage the tongue piece as the engagement surface material 22 with the pocket skin material as the adherend surface material 21 of the wallet 20 shown in FIG. Is used to open and close the pocket portion 23 of the wallet 20.

As shown in FIG. 1, a female hook 24 of a push hook according to the embodiment is attached to the surface of the adherend surface material 21. Further, as shown in FIG. 1, a male hook 25 of a push hook is attached to the back surface side of the engaging face material 22 as a tongue piece. The male hook 25 has an overall ridge and is provided with a recess 26 in the rear peripheral portion with respect to the head portion. On the other hand, the female hook 24 is generally flat and has a substantially cylindrical appearance. The female hook 24 has an opening 27 for engaging the leading end of the male hook 25 at the center of one circular end surface. A female hook main body 29 including a female hole 28 that is a space for accommodating the engaged male hook 25.

Further, the female hook 24 is urged in the direction of the arrow C in FIG. 1 toward the inner center side of the female hole 28 inside the female hole 28 of the female hook body 29, and is engaged into the female hole 24 through the opening 27. An engagement spring 30 that is engageable with the recess 26 of the male hook 25 is provided.

That is, the engagement of the male hook 25 with the female hook 24 is engaged so as to push the male hook 25 against the female hole 28 together with the engaging face material 22, and the engagement spring 30 is engaged with the recess 26 of the male hook 25. This is possible. On the other hand, when the engagement of the male hook 25 with respect to the female hook 24 is released, the engagement surface material 22 is separated from the adherend surface material 21 from the state shown by the solid line in FIG. To do. Then, the male hook 25 is pulled out from the female hole 28, and the engagement between the spring 30 and the recess 26 can be released against the urging force of the engagement spring 30 in the direction of arrow C. Thus, the engagement of the male hook 25 from the female hook main body 29 can be released.

The female hook body 29 of the female hook 24 according to the embodiment is formed so as to have a generally cylindrical appearance by cutting an overall flat cylindrical metal material made of brass, steel, aluminum alloy or the like. On the other hand, the male hook 24 is also formed by cutting a metal material made of brass, steel, an aluminum alloy or the like so as to form an overall protrusion. As shown in FIG. 3 or FIG. 4, the male hook 25 has a mounting hole 31 in the engaging surface material 22 formed of a skin material, a cloth material, or the like, and a fastener 32 inserted through the mounting hole 31. It is attached to the back surface side of the engaging face material 22 by using.

On the other hand, the female hook 24 is provided with a mounting hole 33 as shown in FIG. 3, FIG. 4, or FIG. It is attached to the surface side of the adherend surface material 21 using a fastener 34 inserted from the back surface of the adherend surface material 21. In the female hook main body 29, a recess D for forming the opening 27 and the female hole 28 is defined and formed at the center of the circular end surface shown in FIG. 7 so as to cut a cylindrical metal material. The On the other hand, at the center position of the other end back surface forming the circular shape of the female hook body 29, it penetrates toward the center of the recess D defined on the one end surface, and the other end back surface as shown by an arrow Z in FIG. A fastening hole 35 for inserting the female hook main body 29 to the adherend surface material 21 is formed through the fastener 34 inserted from the side. That is, as shown in FIG. 3, the female hook body 29 inserts the fastener 34 into the attachment hole 33 and the fastening hole 35 of the adherend surface material 21, and crimps the tip of the fastener 34 at the upper part of the fastening hole 35. Therefore, the back surface of the other end of the other end, which is generally flat and substantially cylindrical, is attached to the adherend surface material 21.

In the process of forming the female hook main body 29, an annular groove 36 is formed at the outer peripheral position of the concave portion D defined at the center of the front surface side on the back surface side of the other end with respect to the concave portion D formed by cutting a cylindrical metal material. Like to do. That is, the annular groove 36 is provided in a state where the other end back surface of the cylindrical metal material is cut, and the annular groove 36 is a space for accommodating the engagement spring 30 as will be described later (FIG. 3, see FIG. 4 and FIG. Further, in the annular groove 36, a circumferential concave portion 37 for positioning the engagement spring 30 is formed by cutting on the outer peripheral side with respect to the center O of the female hook main body 29 shown in FIG. I have to. That is, as shown in FIG. 3 or 4, the annular groove 36 is formed in a dovetail shape on the back surface side of the other end, and the engagement spring accommodated in the annular groove 36 due to the presence of the circumferential recess 37. 30 is prevented from falling off the portion.

Further, in the process of forming the female hook main body 29, between the annular groove 36 formed on the back surface side of the other end and the concave portion D formed on the back surface side of the other end, the space between the concave portion D and the annular groove 36 is penetrated. A pair of slits 38 </ b> A and 38 </ b> B extending in mutually opposite radial directions with respect to the center O (see FIG. 8) of the recess D is formed by cutting. In other words, the slits 38A and 38B are formed at spaced apart positions facing each other by 180 degrees with respect to the center O of the female hook main body 29 having a circular shape.

The female hook main body 29 formed by cutting the cylindrical metal material in this way accommodates a pair of engagement springs 30 with respect to the annular groove 36 on the back surface side of the other end. FIG. 5, FIG. 6, FIG. 8 to FIG. 12). As shown in FIGS. 8 and 9, the pair of engagement springs 30 are torsion coil springs that extend the two arms 40 and 41 in different directions around the winding portion 39, and each arm 40 and 41 is wound. The portion 39 is biased in the separation direction (the arrow direction in FIG. 8).

Here, each engagement spring 30 is positioned by abutting one arm 40 on the outer peripheral side with the center of the female hook body 29 in the annular groove 36 as a reference, and a circumferential recess in the annular groove 36. Curved with a curvature corresponding to the shape of 37.

On the other hand, the other arm 41 of the engagement spring 30 is extended in a linear state, and is recessed in the slits 38A and 38B as shown in FIGS. It is made to contact | abut to the opening end with respect to D. FIG. Here, the opening portions of the slits 38A and 38B with which the other arm 41 of the engagement spring 30 abuts are parallel to each other with respect to the center O of the female hook body 29 having a circular shape. In the state in which each spring 30 is accommodated in the state, in the state in which the engagement spring 30 is accommodated, the other arms 41 of the engagement spring 30 are in parallel with each other in contact with the open ends of the slits 38A and 38B. Is set as follows. The other arm 41 of each engagement spring 30 set in a parallel state in this way is formed so as to cut the back surface of the other end of the female hook body 29 from the annular groove 36 side toward the recess D on the surface of the one end. Therefore, the central portion projects into the concave portion D in the direction of arrow C (see FIGS. 3 to 6).

That is, the other arm 41 of each engagement spring 30 accommodated in the annular groove 36 has a portion protruding toward the recess D in the recess 26 of the male hook 25 engaged in the female hole 28 from the opening 27. It becomes possible to set as a part of the engaging body which can be engaged with. Each spring 30 is accommodated in the annular groove 36, whereby the arm 41, which is a portion as an engaging body, is urged in the direction of arrow C from the slits 38A and 38B toward the recess D, so that the female It becomes possible to engage the portion of each arm 41 set in a parallel state with the recess 26 of the male hook 25 engaged in the hole 28.

Here, the engagement springs 30 are accommodated in the annular grooves 36 in the order shown in FIGS. First, with respect to each of the pair of engaging springs 30 arranged in a point-symmetric state with respect to the center O of the female hook main body 29, the other arm 41 is placed in the annular groove 36 so as to contact the open ends of the slits 38A and 38B. Insert (see FIGS. 8, 9, and 11). Here, on the inner peripheral side with respect to the center O of the female hook main body 29 in the annular groove 36, curved concave portions 42 are formed at respective positions separated by an angle of 180 degrees with respect to the center O. The other arm 41 is inserted into the annular groove 36 so that the winding portion 39 of each engagement spring 30 made of a torsion coil spring is brought into contact with each curved concave portion 42. In order to be accommodated in the circumferential recess 37, the winding portion 39 is fitted so as to be inserted into the circumferential recess 37.

When the winding portion 39 is thus positioned with respect to the curved concave portion 42, the other arm 40 of each engagement spring 30 is moved against the biasing force as shown in FIG. The arm 40 is fitted into the circumferential recess 37 as shown in FIG. By doing so, the pair of engagement springs 30 are fitted into and accommodated in the annular groove 36 on the back surface side of the other end of the female hook body 29 that forms a circle.

The female hook 24 thus formed is attached to the adherend surface material 21 by the fastener 34 as described above, and is engaged with the male hook 25 or with the male hook 25. Release is possible. That is, by forming the recess D as described above, the male hook 25 is pushed into the female hole 28 provided on the circular one end surface side of the female hook 24 so that the depression 26 of the male hook 25 is pushed. The other arm 41 (engagement body) of the engagement spring 30 protruding from the slits 38A, 38 to the female hole 28 is engaged. Further, the male hook 25 is pulled out from the female hole 28, and the depression 26 of the male hook 25 is engaged from the other arm 41 of the spring 30 against the urging force of the arm 41 in the direction of arrow C (see FIG. 3). By releasing, it becomes possible to release the engagement of the male hook 25 from the female hook body 29.

The female hook 24 of the push hook configured as described above is formed so as to have an overall substantially cylindrical appearance by cutting an overall flat cylindrical metal material. The formation process will be described with reference to FIG.

First, as shown in FIG. 13, the cylindrical metal material E is rotated in the direction of the arrow with the center O as a reference while the chuck F is chucked. First, the center hole G is drilled at the center O portion. Here, in FIG. 13, the lower surface portion of the metal material E is the one end surface of the female hook body 29 formed. In the state where the center hole G is formed by cutting, the chamfering of the peripheral portion of the lower surface is performed by the contact of the cutting tool 43 or the polishing tool.

Subsequently, as shown in FIG. 14, the region D of the lower surface center O of the metal material E to be rotated is cut, and the concave portion D is cut and formed on the lower surface center side. In the state where the recess D is formed by cutting, the chamfering of the opening corner of the recess D is performed by the contact of the cutting tool 44 or the polishing tool.

Subsequently, a cutting tool 45 that rotates in the direction of the arrow is inserted into a predetermined depth position of the inner peripheral portion of the concave portion D, and a region H1 and H2 that are opposed to each other in the radial direction with respect to the center of the metal material E. Are to be cut and removed. The portions of the regions H1 and H2 become the constituent portions of the slits 38A and 38B in the completed female hook body 24.

Next, as shown in FIG. 16, the end region I on the upper surface of the metal material E rotated with the center O as a reference is removed by cutting, and a constant depth J with respect to the upper surface at the outer peripheral position with respect to the recess D is changed to a cutting tool. It removes by cutting by contact | abutting to the upper surface of the metal material E of 46. FIG. This portion becomes a component of the annular groove 36 in the completed female hook body 24. Here, the region J and the recess D are penetrated, and the slits 38A and 38B are formed. In the state where the regions I and J are cut and removed in this way, chamfering of each peripheral portion of the upper surface is performed by contact of the cutting tools 43 and 44 or the polishing tool.

Next, as shown in FIG. 17, a boring tool 47 is inserted into the region J from the upper surface of the metal material E rotated about the center O, and the region K is removed by cutting. This portion is a component of the circumferential recess 37 in the completed female hook body 24. Thus, when the upper surface side is cut and formed, the four inner circumferential side portions of the annular groove 36 formed on the upper surface are further slid in the arrow L direction, and the cutting tool 45 that rotates in the arrow direction is moved to the annular groove 36. Insert into and remove. In this way, the curved concave portion 42 for positioning the winding portion 39 of the engagement spring 30 is formed by cutting at a separation position facing the center O on the upper surface of the metal material E by 180 degrees. Further, a curved concave portion 48 is cut and formed at an end position of each of the slits 38A and 38B at a spaced position facing the center O on the upper surface of the metal material E by 180 degrees. The curved recess 48 serves as a guide portion when the other arm 41 of the engagement spring 30 is inserted into each of the slits 38A and 38B, and the straight arm 41 is inserted into the slits 38A and 38B. It is defined to make it easier.

By cutting and further polishing the cylindrical metal material in this way, it is possible to form the female hook main body 29 having an overall heavy feeling, and the pair of engagement springs 30 are accommodated in the annular groove 36 as described above. By doing so, the female hook 24 can be completed. The female hook 24 formed in this way is not a thin press-processed product or a drawn product as in the prior art, but is formed by cutting a metal material. Is also considered excellent. That is, according to the female hook according to the present invention, the female hole 28 for engaging the male hook 25 and the engaging spring 30 are accommodated in the female hook main body 29 formed of a cut product and having only a flat thickness. Space can be effectively laid out. This is because each of the annular groove 36, the slits 38A and 38B, and the female hole 28 is efficiently arranged. Further, the peripheral portion of the opening 27 shown in FIG. 7 becomes flat, and a brand name or the like is stamped on this portion, so that a sense of quality can be further improved.

In the female hook 24 of the push hook formed as described above, two engagement springs 30 accommodated in the annular groove 36 are provided corresponding to the number of the slits 38A and 38B. You don't have to do it. For example, a flexible leaf spring 51 having a flexible engagement spring 49 having the shape shown in FIG. 19 and a tension spring 50 shown in FIG. 20 is formed in the slits 38A and 38B. You may make it arrange | position and respond | correspond. In the above-described embodiment, the slits 38A and 38B are formed by cutting two slits 38A and 38B on the basis of the center O of the recess D as opposed to each other. Four slits may be formed at positions separated from each other, and the engagement spring may be disposed in the annular groove so as to protrude from each slit into the recess.

Further, in the above-described embodiment, the curved concave portion 42 for positioning the winding portion 39 of each engagement spring 30 in the annular groove 36 is formed on the inner peripheral side in the annular groove 36. It is not necessary to form in the side, and it is good also as forming in the predetermined angular position of the outer peripheral side.

Further, in the above embodiment, the engagement spring 30 accommodated in the annular groove 36 is formed by a torsion coil spring, but a spring 49 of the type shown in FIG. 19 or a plate spring 51 of the type shown in FIG. 20 is adopted. Alternatively, a tension spring wound so as to contact the inner peripheral portion of the annular groove 36 may be used.

  As described above, according to the female hook 24 of the push hook according to the present invention, it is possible to provide a female hook in the push hook that has a solid appearance and is excellent in design. Can be used in luxury brand bags and wallets to increase the value of their products.

1,24 female hook
2,29 female hook body
2A, 2B assembly material
3,27 opening
4,28 female hole
5, 30, 49 Engagement spring
6A, 6B Fastener
7,21 Surface material
8,25 male hook
9,22 engaging face material
10, 26 depression
20 Wallet
23 Pocket
31, 33 mounting holes
32, 34 Fastener
35 Fastening hole
36 annular groove
37 Circumferential recess
38A, 38B Slit
39 Winding part
40, 41 arms
42, 48 Curved recess
43, 44, 46 bytes
45 Rotary cutting tool
47 Boring bytes
50 Tension spring
51 leaf spring
D recess
E Metal material
F chuck
G Center hole
H1, H2, I, J, K area

Claims (6)

An opening for engaging a male hook of a push hook having an overall flat and substantially cylindrical appearance, forming an overall ridge at the center of one circular end surface, and a recess in the rear periphery of the front part. A female hook main body comprising a female hole formed of a space for accommodating a male hook engaged from the opening inside the opening;
Engagement inside the female hole of the female hook body is urged toward the inner central side of the female hole, and is engageable with a depression of the male hook inserted into the female hole from the opening. Springs,
The male hook is engaged with the male hook by pushing the male hook against the female hole, the engagement spring is engaged with the depression of the male hook, and the male hook is pulled out from the female hole. In the female hook of the push hook, in which the engagement of the male hook from the female hook body is released by releasing the engagement between the spring and the depression against the biasing force of the engagement spring,
The female hook body is formed so as to have a generally cylindrical appearance by cutting a flat metal material having a generally cylindrical shape, and is for engaging a male hook at the center of one end surface forming a circular shape. The female hole, which is an opening and a space for accommodating a male hook inside the opening, is cut and formed so as to define a concave portion at the center of one end surface forming a circular shape of a cylindrical metal material. The back surface of the other end forming the circular shape of the cylindrical metal material accommodates an engagement spring that is provided in a state of cutting the back surface of the other end at the outer peripheral position of the recess defined at the center of the front surface side. In addition, between the annular groove formed on the back surface side and the concave portion formed on the front surface side, the gaps between the concave groove and the annular groove are penetrated, and they are opposed to each other based on the center of the concave portion. At least it is extended to the radial direction to 2 The slit cutting form,
The engagement spring includes an engagement body that is accommodated in the annular groove and biased so as to protrude from the respective slits toward the recess,
Further, in the annular groove, an engagement spring positioning periphery is provided on the outer peripheral side with respect to the center of the female hook body in the annular groove in order to prevent the received engagement spring from falling off the annular groove. A circumferential recess by cutting a metal material,
The male hook is engaged with the female hook so that the male hook is pushed against the female hole, and the engagement body of the engagement spring protruding from each slit is engaged with the depression of the male hook, thereby engaging with the male hook. It is possible to release the engagement of the male hook from the female hook body by releasing the engagement between the engagement body and the recess of the spring against the biasing force of the engagement spring so that the hook is pulled out from the female hole. Push hook female hook. The engagement spring accommodated in the annular groove corresponds to the number of slits provided between the recess and the annular groove, and is provided with at least two, and each engagement spring has two engagement springs around the winding portion. The arms are extended in different directions, and each arm is a torsion coil spring that is biased in the separation direction around the winding part.Each torsion coil spring has one arm at the center of the female hook body in the annular groove. is contact with the positioning on the outer peripheral side of the reference, claims the other arm is biased so as to protrude toward the recess from the slit, becomes the protruding portion of the arm of said other as engaging member for the depressions of the male hook A female hook of the push hook according to 1 . A curved concave portion that allows positioning of the winding portion of each torsion coil spring to be accommodated is formed at a predetermined angular position on the inner peripheral side or the outer peripheral side with respect to the center of the female hook body in the annular groove. A female hook for a push hook according to claim 2 . The torsion coil springs as the respective engagement springs housed in the annular groove and provided at least two are set so that the other arms as the engagement bodies protruding from the respective slits are in parallel with each other. The female hook of the push hook according to claim 2 , wherein A torsion coil spring as each engaging spring accommodated in the annular groove and provided with at least two is the shape of one arm positioned in contact with the outer peripheral side with respect to the center of the female hook body in the annular groove. The female hook of the push hook according to claim 2 , wherein the hook is formed so as to be curved in accordance with the curvature of the outer peripheral portion in contact therewith. At the center position of the back surface of the other end forming a circular shape in which the annular groove of the female hook body is formed, a fastener that is penetrated toward the center of the concave portion of the one end surface forming the circular shape and is inserted from the back surface side of the other end is inserted. 2. The female hook of a push hook according to claim 1, wherein a fastening hole for fastening the female hook main body to the adherend surface material is formed.