CN1097967A

CN1097967A - Hasp

Info

Publication number: CN1097967A
Application number: CN94104709A
Authority: CN
Inventors: 井田一夫
Original assignee: Yoshida Kogyo KK
Current assignee: YKK Corp
Priority date: 1993-05-07
Filing date: 1994-05-06
Publication date: 1995-02-01
Also published as: KR940025965U; JPH073320U

Abstract

The hasp (10) of tightening belt or analog loose end comprises a plug (11) and a socket (12), carries out disengageable connection with this.Plug (11) comprises the latch arm (23) and the journal stirrup thereunder (24) of an elastically deformable, when latch arm (23) stands elastic deformation with coupled surface (14b) coupling of the middle formation of socket (12), and journal stirrup (24) support card hammerlock (23).This latch arm (23) has an elongated bow-shaped recess (24d), in order to socket (12) in a coupled surface (14b) that is complementary shape carry out interlock suddenly, to guarantee these two members (11) and (12) stable being of coupled connections.

Description

Hasp

The present invention is relevant being used at knapsack or the similar hasp that can connect various belts, belt or analog on the dress ornament article with freeing.

Many forms of hasp are well known.

The example of a kind of clasp of report includes a pin member and a socket component on Japanese practical examples communique 54-14317 number, and carry out disengageable connection with this, plug with screen resilience latch arm is provided with the registration arm of a kayser flange and a rigidity below latch arm at its front end, and the socket with tunnel-shaped jack is processed to required size to hold latch arm and registration arm.When the kayser lug of plug insertion socket and its latch arm was hooked on a opening in the jack peripheral, its registration arm was resisted against on the substrate of socket just, is used for latch arm is remained on the corresponding latched position of socket.Similar clasp is published on Japan special permission communique 61-160618 number, latch arm and registration arm are extended abreast from header body in the literary composition, in order to have elastic the connection with socket, when plug can be seen registration arm easily by an opening the latch arm when socket is pulled up, but when plug and socket are of coupled connections then registration arm be hidden among the bridge wall of socket.This latch member has a kayser lug, is formed at the rear end of latch member, is coupled in order to the end limit with the bridge wall.In the clasp of two kinds of above-mentioned technical schemes, when plug insertion socket, the latch arm deflection of plug downwards or hang down to some degree, it depends on the height of kayser lug, this kayser lug is that the mating part with socket carries out the hook coupling.If careless, applied a power to the sagging direction of latch arm, then latch arm will certainly fracture, and also can lose the latch arm rebound effect as not fractureing.This possibility is because this latch arm is the cause of cantilever.Try that the mechanical strength that increases the latch arm material then can reduce the elastic modelling quantity of its deflection on the contrary.It is unreliable to compensate the work that then can cause hasp again with the method that reduces the kayser lug height.

Consider the above-mentioned former difficult point that adopts technical scheme, the present invention is intended to seek to improve the architectural characteristic in the hasp, so that the plug and socket of hasp can be connected with the most reliable mode and frees with most convenient.

Say that more specifically the present invention is intended to seek a kind of hasp, it comprises a kind of device and is used for connecting and freeing time control fabrication lock and stand the degree of strain when plug and socket, and further can keep latch arm solid and reliablely in socket on the corresponding position.

According to the present invention, a kind of hasp that clamps belt or analog is provided, it comprises a plug and a socket, carry out disengageable connection mutually, this socket has on one screen board and screen board once, the spaced and parallel configuration also forms a guiding duct betwixt, last screen board has a coupled surface of doing the bevel face, and plug has a support base, one may be received in the latch arm in the guiding duct, the plate part that it includes a relative thin carries out the hook portion that releasable is connected with one with coupled surface, be in the below of latch arm and include the journal stirrup of a pedestal that protrudes, with latch arm one gap is arranged under this pedestal normal condition, but when latch arm enter into the guiding duct when being bent downwardly then this pedestal by last and be supported on the latch arm.

The present invention will do detailed explanation with reference to the legend that provides, and reference number is represented corresponding part among the figure in all these views

The legend brief description

Fig. 1 embodies the plug amplification axis side view that the present invention forms hasp convex part;

Fig. 2 is the top view of the plug and socket of expression state;

Fig. 3 is the longitudinal sectional drawing of Fig. 2 along III-III line;

Fig. 4 is the view that the expression hasp of Fig. 3 is the state of being of coupled connections;

Fig. 5 is the profile that a kind of plug is revised shape;

Fig. 6 is the another kind of top view of revising shape of plug;

Fig. 7 is the profile of last figure;

Fig. 8 is the 4th kind of top view of revising example of plug;

Fig. 9 is the profile of Fig. 8 along IX-IX line;

Figure 10 is the top view of the 5th kind of example of plug;

Figure 11 is the top view that the 6th kind of example represented the plug and socket of released state;

Figure 12 is the profile of Figure 11 along XII-XII line;

Figure 13 is the view that the expression hasp of Figure 12 is the state of being of coupled connections;

Figure 14 is the profile of the 7th kind of example of plug;

Figure 15 is the profile of the 8th kind of example of plug; With

Figure 16 is the profile of the 9th kind of example of plug.

With reference now to following diagram,, four figure Fig. 1-4 of front are the concrete diagram of the best of the present invention, embody hasp 10 of the present invention and include a plug 11 and a socket 12, and both all suitably form through mold pressing with resilient plastic material.

Socket 12 has one and is substantially rectangular box-like body 13, and it includes on one screen board 14 and screen board 15 once, and a pair of and vertical rear wall 17 of the rear end of

screen board

14,15 interconnective opposed edges 16,16 and a sealing socket 12 up and down.Clearer as shown in Figure 3,

screen board

14,15, edge 16,16 and rear wall 17 form a guiding duct 18, the plug 11 that will illustrate jointly therein below admitting.The front end of socket 12 be opening to provide an inlet 19 to communicate with guiding duct 18, plug 11 is pegged graft by inlet.Prolonging connect upper and

lower screen board

14 and 15 and with the guiding duct 18 be connected, formed an opening or window 20.The laterally interior circular arc limit 14a of last screen board 14 is cut sth. askew, as shown in Figure 3, and so that an oblique arc coupled surface 14b to be provided.Last screen board 14 and following screen board 15 have their inner surface 14c and 15a separately, be the parallel relation configuration and separate certain intervals mutually, so that plug 11 can insert and be firmly held on the position that socket 12 guides in the ducts 18, and this will illustrate afterwards.

Socket 12 includes a belt fixed frame 21, and it is used for by the known technical approach of people one end of belt or belt (not shown) being fixed it away from inlet 19.

Clearly illustrate that the plug 11 in Fig. 1 has a support base 22, one along the direction that is coupled with socket 12 longitudinally from the integrally extended ligule latch arm 23 of an end of matrix 22, with a pair of below of latch arm 23 that is positioned at from the extended journal stirrup 24,24 in the relative both sides of matrix 22.Plug 11 includes a belt fixed frame 25, and it is positioned at the opposite end of matrix 22, is used for by the known technical approach of people the other end of belt or belt being fixed it.

The latch arm 23 of plug 11 includes the relative thick hook portion 23b with of plate part 23a of a relative thin, and it is that the whole direction that forms and insert socket 12 at the 23c place along plug 11 makes the inclined-plane.Hook portion 23b makes groove so that the arc groove 23d of a laterally-elongated to be provided, and its opening is towards matrix 22 and be used for the arc coupled surface 14b of complementation of receiving socket 12.

In the journal stirrup 24,24 each includes a stem shank portion 24a and a pedestal 24b who protrudes upward, and the lower surface with the plate part 23a of latch arm 23 under the normal condition has a gap, as shown in Figure 3.

According to this structure of hasp shown in Fig. 1 to 4 10, as long as latch arm 23 19 is inserted into the mode of guiding in the duct 18 and just can be of coupled connections plug 11 with socket 12 and be in the same place by entering the mouth.When the inner surface of the last screen board 14 of hook portion 23b and socket 12 slides coupling, the axis of latch arm 23 in plate part 23a is bent downwardly, when hook portion advances to certain a bit, suddenly entering the kayser state at the hook portion 23b of this some place with last screen board 14 is connected, arcuation return-enclosure 23d is fixed on and is centered around on the periphery of the coupled surface 14b that makes the inclined-plane, and

journal stirrup

24,24 are located down on the inner surface of screen board 15 to keep latch arm 23 fixedly to be fixed on the position shown in Figure 4, journal stirrup 24 in this case, the pedestal 24b of its protrusion of 24 usefulness limits and is controlled at the degree of being bent downwardly of the latch arm 23 in the guiding duct 18 to desired degree, make hook portion 23b be moved beyond screen board 14 when groove 23d suddenly is hooked on coupled surface 14b peripheral till, so prevented the excessively dangerous strains of latch arm 23.

The separation of plug 11 from socket 12 is the hook portion 23b that the window 20 socket 12 is pressed latch arm 23, away from coupled surface 14b, then plug 11 is pulled out the duct 18 from guiding and finished, equally in this case, journal stirrup 24,24 is used for limiting the motion that is bent downwardly of latch arm 23.

In above-mentioned hasp structure, can consider to have different various distortion so that effect extra or improvement to be provided, some this distortion exemplify as follows.

Fig. 5 illustrates second kind of embodiment of the present invention, the pedestal 24b of this journal stirrup 24,24 and its protrusion among the figure, and the layout of 24b is that the lower surface with the plate part 23a of latch arm 23 forms integral body or very close.This layout design is specially adapted to the hasp of this form, and it requires to strengthen the intensity that plug is of coupled connections.

Fig. 6 and 7 illustrates the third embodiment of the present invention, and a grappling lug 26 with a pedestal 26a who stretches out downwards among the figure in a pair of journal stirrup 24,24 replaces, and this design is that plug 11 can remain on the position corresponding to socket 12 securely.

Fig. 8 and 9 illustrates the 4th kind of embodiment of the present invention, and these two

journal stirrups

24,24 combine among the figure becomes an overall structure, with latch arm 23 common horizontal expansions, to strengthen an ear structure.

Figure 10 illustrates the 5th kind of example of the present invention and embodies, and it is similar to the 4th kind of example, and just different is that latch arm 23 is cut off a part so that provide an opening 27 at its plate part 23a, helps the bending of latch arm 23.

Figure 11,12 and 13 illustrate the 6th kind of example of the present invention embodies, each journal stirrup 24 among the figure ', 24 ' all be down " L " version, cantilever on the dull and stereotyped position 23a of latch arm 23, with their corresponding pedestal 24 ' b, 24 ' b next-door neighbour and point to the matrix 22 of plug 11, this configuration be because journal stirrup 24 ', 24 ' can be resiliently be coupled with the inner surface of following screen board 15, provide hasp 10 with stable coupling attitude.

Each journal stirrup during Figure 14 illustrates the 7th kind of example of the present invention and embodies, and this is to journal stirrup 24 ", 24 " does not have the pedestal 24b of projection, and forms an integral body with the support base 22 of plug 11, has strengthened the combination between latch arm 23 and the matrix 22 thus.

Figure 15 illustrates the 8th kind of example of the present invention and embodies, and is characterized in that single journal stirrup 24 ' " both are common forms an overall structure with matrix 22 and latch arm 23, and extending transversely with latch arm 23 together, in order further to strengthen bayonet lock arm 23.

Figure 16 illustrates the 9th kind of example of the present invention and embodies, and the journal stirrup 24 of Figure 14 " or journal stirrup 24 of Figure 15 " has the pass through openings 27 of a horizontal expansion herein.

Also have many other variation and revise the category that does not leave this patent claims in the structure can be summarized in the above-mentioned proposition of this paper.

Claims

1, a kind of hasp (10) that is used to tighten belt or analog, it comprises a plug (11) and a socket (12), and carry out disengageable connection with this, this socket (12) has screen board on (14) and screen board (15) once, the spaced and parallel configuration also forms a guiding duct (18) betwixt, the described screen board (14) of going up has a coupled surface (14b) of doing the bevel face, and described plug (11) has a support base (22), one is received in the latch arm (23) in the guiding duct (18), this plate portion (23a) that it includes a relative thin carries out the hook portion (23b) that releasable is connected with one with coupled surface (14b), a journal stirrup (24) that is in the below of described latch arm (23) and includes a pedestal (24b) that protrudes, pedestal under the normal condition (24b) has a gap with latch arm (23), but when described latch arm (23) enters into described guiding duct (18) and when being bent downwardly, then this pedestal (24b) is by last and be supported on the latch arm (23).

2, require 1 hasp (10) according to patent, wherein above-mentioned latch arm (23) has the hook portion (23b) of doing concavity, provides an elongated bow-shaped recess (23d) to accept the above-mentioned complementary mutually coupled surface (14b) of going up screen board (14).

3, according to the hasp (10) of patent requirement 1, wherein above-mentioned plug (11) provides a pair of journal stirrup (24,24) to be used for carrying out support and connection with above-mentioned latch arm (23) at its two offsides place.

4, according to the hasp (10) of patent requirement 1, wherein above-mentioned plug (11) provides a grappling lug (26) in its side with respect to above-mentioned journal stirrup (24).

5, according to the hasp (10) of patent requirement 1, wherein above-mentioned journal stirrup (24) has the pedestal (24b) of the protrusion that is adjacent to very much above-mentioned latch arm (23) layout, or this journal stirrup pedestal (24b) is linked to be an integral body with above-mentioned latch arm (23).

6, according to the hasp (10) of patent requirement 1, wherein above-mentioned plug (11) has the journal stirrup (24) of a reverse cantilever.

7, a kind of hasp (10) that is used to tighten belt or analog, it comprises a plug (11) and a socket (12), and carry out disengageable connection with this, this socket (12) has screen board on (14) and screen board (15) once, the spaced and parallel configuration also forms a guiding duct (18) betwixt, the described screen board (14) of going up has a coupled surface (14b) of doing the bevel face, and described plug (11) has a support base (22), one is received in the plate part (23a) that latch arm (23) in guiding duct (18) includes a relative thin carries out the hook portion (23b) that releasable is connected with one with coupled surface (14b), one journal stirrup (24 "); when latch arm (23) enters into described guiding duct (18) and when being bent downwardly, this journal stirrup (24 ' ") that forms an integral body with described matrix is used for supporting described latch arm (23).

8, require 7 hasp (10) according to patent, wherein above-mentioned journal stirrup (24 ' ") both form an overall structure jointly with above-mentioned matrix (22) and above-mentioned latch arm (23), and with above-mentioned latch arm (23) substantially along extending transversely.