JP4484889B2 - Stapler structure - Google Patents

Description

  The present invention relates to a stapler structure, and in particular, a stapler that presses and binds without applying extra force. The maximum pressing force is generated, and the needle in the support base is strongly ejected by the needle pushing piece to achieve labor-saving pressing and simple operation.

In general, when organizing a document, the paper is stopped with a stapler, and the document is organized and stored so that the document is not scattered.
FIG. 6 shows a structure of a known stapler 60, which includes a bottom base 61, a support base 62, and a pressing arm 63. One end of the pressing arm 63 and the support base 62 is pivoted on one side of the bottom base 61. Of which is in the support base 62 is installed by inserting a constant position connecting rod 64, placing the spring 66 to 65 and single stretch stitch pushing board therein. One end of the spring 66 is stopped by the partition protrusion at the bottom of the needle pusher plate 65, thereby providing the needle pusher plate 65 with a pressing force for pushing the needle. Further, a pulling piece 68 is installed on the engaging piece 631 installed in the pressing arm 63, and the other end of the pulling piece 68 and the engaging piece 651 at the end of the needle pusher plate 65 are engaged with each other. When the piece 631 is raised in conjunction, the pulling piece 68 slides on the support base 62 by pulling the needle pusher plate 65 rearward. When the needle 67 is placed in the support base 62 groove , the pressing arm 63 pivots and presses downward, and the elastic force of the spring 66 causes the needle pusher plate 65 to push the needle 67 forward and force the pressing arm 63. Then, the needle 67 is pushed out by pushing the needle extruding piece 632 installed at the front end of the engaging piece 631, and the needle 67 is curvedly connected by the needle receiving plate 611 at the front end of the base 61 to stop the paper.

When stapler pressing arm is pressed directly downward direction in the hands of a human, when the magnitude of the pressing force is greater than the resistance of the paper, but the needle is able binding stuck on paper, the force of the human pressing binding is put a burden on the user due, missing rather than to the convenience.

The present invention includes a bottom board, supporting Jidai consists hooking coalescing及beauty press圧腕. Of these, the support base with rectangle groove is pivoted to the first through hole portion of the bottom base of the bottom frame, the interior comprises a needle actuated by the return spring and the needle thrust platform. Hanging coalescence is U-shaped piece having a downward opening, perforation is pivoted to the third through hole of the bottom platform of the bottom frame front is provided in its middle, to the rear of該掛combined, equipped with protrusions A support plate is extended, and a needle extruding piece is coupled to the front end of the hook. Pressing arm is a U Katachihentai having a downward opening, the middle part is pivoted to the second through hole of the bottom frame middle bottom board, respectively coupling groove is installed in the coupling plate of the pressing arm after the end, there the convex portion of the support plate of the hooking united after the end is the most important feature that is engaged slidably.

The construction described above, the user when pressing the pressing arm, pressing arm is rotating with the supporting base and engaging member. Among them, the distance from the front end of the pressing portion on the pressing arm which is power point in normal operation to pivot setting point of the bottom frame is greater than the distance to the projections of the hanging coalesced from the pivot setting point, and the hanging coalesce the distance to the protrusion or et pivot setting point of the hooking combined with the bottom frame is greater than the distance from the pivot setting point to the point of engaging the pressing portion of the hooking united front. These, pressing arm is rotated the hanging coalesce small Shino force, multiplied combined to generate a moderate maximum pressing force to the front end, was strongly pushed the needle into the needle pushing piece, the pressing arm with a small force It can be bound just by pressing, it is easy and easy to operate, and has practicality.

The invention of claim 1 is a stapler structure comprising a base (10), a support base (20), a latching body (30) and a pressing arm (40).
The support base (20) accommodates the needle (25), and the rear end is pivotally connected to the first through hole (111) provided at the rear end of the bottom frame (11) of the bottom base (10). A needle rail (22) is provided in the center, and an extension spring (23) and a needle push-out stand (24) for pressing the needle (25) forward are provided in the needle rail (22), and the needle rail (22) A needle outlet (27) is opened at the bottom of the front end, and an elastic body (28) that elastically supports the support base (20) is installed on the bottom frame (11).
The hooking body (30) has a needle extruding piece (33) coupled to the front end, fitted to the support base (20), and provided at the front end of the bottom frame (11) of the bottom base (10). A middle plate portion is pivotally connected to the third through hole (113), and a support plate (32) having a protruding portion (35) protruding outward at the rear end is stretched and formed behind the engaging body (30).
The pressing arm (40) is fitted to the support base (20), and is pivotally provided in a second through hole (112) provided in the approximate center of the bottom frame (11) of the bottom base (10), A coupling plate (43) having a coupling groove (45) is formed at the rear of the pressing arm (40), and the projection (35) of the hooking body (30) is slid into the coupling groove (45). Movably combined,
From the distance (W) to the second through hole (112) of the bottom frame (11) and the pivot position of the hook (30) with the third through hole (113) of the bottom frame (11) The product (W × Y) of the distance (Y) from the engagement body (30) to the convex part (35) is the second through hole (112) of the pressing arm (40) and the bottom frame (11). The distance (X) from the pivot position to the projection (35) of the engagement body (30), and the third through hole (113) of the engagement body (30) and the bottom frame (11) When the pressing arm (40) is pressed larger than the product (X × Z) of the distance (Z) from the pivotal position to the needle extruding piece (33) of the engaging body (30), the pressing arm (40) drives and rotates the engagement body (30), and the engagement body (30) pushes out the needle (25) with the needle pushing piece (33); is doing.
According to a second aspect of the present invention, in the stapler structure according to the first aspect, the base (10) is a rectangular flat base, and a U-shaped bottom frame having an upward opening is installed at the rear end thereof. A first through hole (111) is installed at the rear end of the opening edge of both side walls of the frame, a second through hole (112) is installed at the approximate center, and a third through hole (113) is installed at the front end. A stapler structure is characterized in that a needle receiving plate is coupled.
According to a third aspect of the present invention, in the stapler structure according to the first aspect, the support base (20) is slidably engaged with the insertion groove (331) of the needle pushing piece (33) above the front end. This is a stapler structure characterized by having a hooking convex portion (26).
According to a fourth aspect of the present invention, in the stapler structure according to the first aspect, the engaging body (30) includes a U-shaped fitting pressing portion (31) having a downward opening, and the upper portion of the support base (20). The support plate is extended symmetrically from the rear ends of both side plates, the needle push piece (33) is coupled to the front end, and the position between the fitting pressing portion (31) and the support plate (32). A perforation (34) is provided on the rear end side of the support plate (32), and each of the perforations (34) is provided with a pin on the bottom (10). ) Is pivotally connected to the third through hole (113) of the bottom frame (11), and the engagement body (30) is elastically formed at the upper end between the front end of the engagement body (30) and the front end of the support base (20). The stapler structure is characterized in that an elastic body (37) to be supported is installed.
According to a fifth aspect of the present invention, in the stapler structure according to the first aspect, the pressing arm (40) is located above the engaging body (30), which is a U-shaped pressing portion (41 having a downward opening). ), A symmetric coupling plate (43) is extended from the rear end of both side plates, coupling holes (44) are respectively installed at the rear end positions of both side plates of the pressing portion (41), and the coupling plate (43 ) Is formed with a coupling groove (45), and the coupling hole (44) is pin (46) formed in the second through hole (112) of the bottom frame (11) of the base (10). The stapler structure is characterized in that it is pivoted and the convex portion (35) of the engaging body (30) is slidably coupled into the coupling groove (45).
According to a sixth aspect of the present invention, in the stapler structure according to the fourth or fifth aspect, the perforations (34) of the hooking body (30) and the third of the bottom frame (11) of the bottom base (10) are provided. The pin (36) for pivotally connecting the through hole (113) protrudes outward from the perforations (34) of both side plates of the engagement body (30), and is recessed below the pressing arm (40) two side plates. (42) is formed, and when the pressing arm (40) is pressed, the concave portion (42) stops on the pin (36) protruding from the perforation (34). Yes.

When the present invention is to Hotchkiss pressing arm is actuated downward, the conversion of the moment component of the force, by transfer, hanging coalescence creates a gentle and maximum pressing force, out press needle by the needle pushing piece, binding paper To do. Stapler is a labor-saving pressing design, press down the pressing arm user smoothly, without the need for a strong force, the line to give a binding work lightly, which is the operation is simple.

FIG. 1 to FIG. 3 are structural display diagrams of the stapler according to the present invention, and include a bottom base 10, a support base 20, an engagement body 30, and a pressing arm 40.
Among them, the base 10 is a rectangular flat plate-like pedestal, and a U-shaped bottom frame 11 having an upward opening is installed at one end thereof , and first through-holes 111 facing each other are formed on both side walls of the frame body. An opposing second through hole 112 and an opposing third through hole 113 are installed in order from the one end to the other end along the opening, and a needle receiving plate 12 is installed at the other end of the base 10. The
Support 20 exhibits a whole elongated channel-shaped, its end is fixed pin 21, is pivotally connected to the first through hole 111 of the bottom frame 11 that is provided in the bottom base 10. The support 20 is a needle rail 22 comprises a central, push the extension contraction spring 23 and needle thrust platform 24 is installed needle 25 into needle rail 22. The engaging protrusion 26 to support 20 front upper is molded, and the needle outlet 27 is installed in the bottom of the needle rail 22 forward, the support base 20 at the top between the supporting Jidai 20 and bottom frame 11 The elastic body 28 which supports is placed.

The hook 30 includes a U-shaped fitting pressing portion 31 that is located above the support 20 and has an opening facing downward . Fitting the pressing portion 31 side plates terminal pair of symmetrical support plate 32 horizontally from the stretches. A needle extruding piece 33 is coupled to the front end of the fitting pressing portion 31, and perforations 34 facing both side walls of the fitting pressing portion 31 are provided. In addition, convex portions 35 that protrude outward are formed on both side walls at the end of the support plate 32. The perforations 34 are pivoted to the third through hole 113 of the bottom frame 11 of the bottom base 10 with pins 36 to form a pivot setting point "d", and the pin 36 protrudes from the hooking body 30 both sides. Between the hooking body 30 and the support 20 an elastic member 37 for supporting the hanging body 30 at the top it is accommodated, engaging protrusions 26 are slidably engaged with further insertion groove 331 of the needle pushing piece 33, needle pushing piece 33 is intended to operate in correspondence with the needle outlet 27 above the needle support 20.

Pressing arm 40 is located above the hooking body 30 has a pressing portion 41 of the U-shaped having a downwardly opening recess 42 is formed on both side plates downward. Further horizontally extending pair of symmetrical coupling plate 43 from both side plates ends, the corresponding coupling holes 44 are disposed between the coupling plate 43 and the pressing portion 41. Further, the coupling hole 44 is pivotally connected to the second through hole 112 of the bottom base 10 by the pin 46 to form a pivot point “b”. Further, the convex portion 35 at the end of the support plate 32 of the engagement body 30 is slidably engaged in the coupling groove 45 to form a pivot point “c”.

The above is the structure of each part of the present invention, and the above parts are assembled in order. The positional relationship and connection relationship between the components are as shown in the operation display diagrams of FIGS. 4A and 5B . During operation, the paper 50 to be bound is inserted between the needle receiving plate 12 of the base 10 and the needle outlet 27 of the support 20. When the user presses the force point “a”, that is, the front end of the pressing portion 41 of the pressing arm 40 downward, the pressing arm 40 rotates around a pivot point “b” with the second through hole 112 of the bottom frame 11 ( The distance from the force point “a” to the fulcrum “b” is assumed to be “ W ”), and the coupling groove 45 at the end of the pressing arm 40 slides with respect to the convex portion 35 at the end of the engagement body 30 and simultaneously the engagement body 30. actuated by the projecting portion 35 of the pivot setting point "c" (the pivot setting point "b" of the distance to the pivot setting point "c" from the "X"), multiplied body 30 of the bottom frame 11 which is pivotally The third through hole 113 is rotated as a pivot point “d”, and the needle pushing piece 33 of the engaging body 30 is moved downward. The hook 30 rotates the support 20 downward by the elastic body 37 around the first through hole 111 of the bottom frame 11 as the center of pivotal rotation. Moreover needle outlet 27 of the support 20 is stopped on the paper 50 to stop the rotation. When a force is continuously applied to the front end of the pressing portion 41 of the pressing arm 40, that is, the force point “a”, the coupling groove 45 of the coupling plate 43 of the pressing arm 40 slides and moves the convex portion 35 of the latching body 30. The combined body 30 is rotated with the third through hole 113 provided with the pin 36 as the pivot point “d” (the distance from the pivot point “c” to the pivot point “d” is “Y”). Further, the distance from the pivot point “d” to the installation point “ e ” of the needle extruding piece 33 of the engagement body 30 is defined as “Z”. When the product of “W” and “Y” is larger than the product of “X” and “Z”, the pressing arm 40 simply moves the engagement body 30 without applying force, and slowly moves to the front end of the engagement body 30. Produces the maximum pressing force. Furthermore extrusion needle 25 from the needle outlet 27 in the needle pushing piece 33, the recess 42 of the pressing arm 40 stop Mari on pin 36, thereby completing the binding work of the paper. Thus stapler of the present invention achieves labor saving pressing function is practical operations with simple. After binding completion, the user was away the hand from the pressing portion 41 of the pressing arm 40, by restoring the elastic body 37 between the support 20 and the hooking body 30, hooking body 30 returns to its original position, In the recovery process of the hook 30, the convex portion 35 of the support plate 32 slides in the coupling groove 45 of the pressing arm 40, and the pressing arm 40 is driven by the convex portion 35, so that the pressing arm 40 is recovered and localized. Further, the elastic recovery of the elastic body 28 restores the support base 20 to the original position.

As described above, stapler of the structure of the present invention, the pressing arm and hooking coalescence, by converting the transmission moment of the bottom base of the bottom frame, slowly actuates the engaging member engaging and, and produced a maximum pressing force By using the needle push-out piece to bring out the needle in the support table with a strong force, a labor-saving effect and a simple operation can be obtained.

It is a three-dimensional assembly external appearance display figure of this invention stapler. It is a three-dimensional disassembled display diagram of the present stapler. It is a partial cross section display figure of the stapler of the present invention. It is an operation | movement display figure of the stapler of this invention. It is an operation | movement display figure of the stapler of this invention. It is a structure display figure of a publicly known stapler.

DESCRIPTION OF SYMBOLS 10 Bottom base 11 Bottom frame 111 First through-hole 112 Second through-hole 113 Third through-hole 12 Needle receiving plate 20 Support base 21 Fixing pin 22 Needle rail 23 Telescopic spring 24 Needle push-out base 25 Needle 26 Engagement convex part 27 Needle outlet 28 elastic body 30 multiplied united 31 fitting pressing portion 32 supporting plate 33 needle pushing piece 331 insertion groove 34 perforated 35 protrusion 36 pin 37 elastic member 40 presses the arm 41 pressing portion 42 recess 43 coupling plate 44 coupling hole 45 coupling groove 46 Pin 50 Paper 60 Stapler 61 Bottom base 611 Needle receiving plate 62 Support base 63 Pressing arm 631 Engaging piece 632 Needle pushing piece 64 Positioning connecting rod 65 Needle pushing plate 651 Engaging piece 66 Spring 67 Needle 68 Towing piece

Claims (6)

In the stapler structure composed of the base (10), the support base (20), the hooking body (30) and the pressing arm (40),
  The support base (20) accommodates the needle (25), and the rear end is pivotally connected to the first through hole (111) provided at the rear end of the bottom frame (11) of the bottom base (10). A needle rail (22) is provided in the center, and an extension spring (23) and a needle push-out stand (24) for pressing the needle (25) forward are provided in the needle rail (22), and the needle rail (22) A needle outlet (27) is opened at the bottom of the front end, and an elastic body (28) that elastically supports the support base (20) is installed on the bottom frame (11).
  The hooking body (30) has a needle extruding piece (33) coupled to the front end, fitted to the support base (20), and provided at the front end of the bottom frame (11) of the bottom base (10). A middle plate portion is pivotally connected to the third through hole (113), and a support plate (32) having a protruding portion (35) protruding outward at the rear end is stretched and formed behind the engaging body (30).
  The pressing arm (40) is fitted to the support base (20), and is pivotally provided in a second through hole (112) provided in the approximate center of the bottom frame (11) of the bottom base (10), A coupling plate (43) having a coupling groove (45) is formed at the rear of the pressing arm (40), and the projection (35) of the hooking body (30) is slid into the coupling groove (45). Movably combined,
  From the distance (W) to the second through hole (112) of the bottom frame (11) and the pivot position of the hook (30) with the third through hole (113) of the bottom frame (11) The product (W × Y) of the distance (Y) from the engagement body (30) to the convex portion (35) is the second through hole (112) of the pressing arm (40) and the bottom frame (11). The distance (X) from the pivot position to the convex portion (35) of the engaging body (30), and the third through hole (113) of the engaging body (30) and the bottom frame (11) When the pressing arm (40) is pressed larger than the product (X × Z) of the distance (Z) from the pivot position to the needle push-out piece (33) of the engaging body (30), the pressing arm A stapler structure characterized in that (40) drives and rotates the engagement body (30), and the engagement body (30) pushes out the needle (25) with the needle pushing piece (33). 2. The stapler structure according to claim 1, wherein the base (10) is a rectangular flat base, and a U-shaped bottom frame having an upward opening is installed at a rear end thereof, and open ends of both side walls of the bottom frame. A first through hole (111) is installed at the rear end of the edge, a second through hole (112) is installed at the approximate center, a third through hole (113) is installed at the front end, and a needle receiving plate is coupled to the front end. Stapler structure characterized by that. The stapler structure according to claim 1, wherein the support base (20) is slidably engaged with the insertion groove (331) of the needle pushing piece (33) above the front end. Stapler structure characterized by comprising The stapler structure according to claim 1, wherein the engaging body (30) includes a U-shaped fitting pressing portion (31) having a downward opening, is located above the support base (20), The support plate is extended symmetrically from the end, the needle extruding piece (33) is coupled to the front end, and a perforation (34) is installed at a position between the fitting pressing portion (31) and the support plate (32). Further, the rear end side of the support plate (32) is provided with a projecting portion (35) projecting outward, and the perforation (34) is a pin with the bottom frame (11) of the base (10). ) And the elastic body (37) elastically supporting the engagement body (30) at the upper end between the front end of the engagement body (30) and the front end of the support base (20). Stapler structure characterized by the installation of 2. The stapler structure according to claim 1, wherein the pressing arm (40) is located above the engaging body (30), and comprises a U-shaped pressing portion (41) having a downward opening, and both side plates thereof. A symmetric coupling plate (43) is extended from the rear end, coupling holes (44) are respectively installed at the rear end positions of the pressing portions (41) on both side plates, and coupled to the rear end of the coupling plate (43). A groove (45) is formed, and the coupling hole (44) is pivotally connected to the second through hole (112) of the bottom frame (11) of the base (10) by a pin (46) and A stapler structure characterized in that the projection (35) of the united body (30) is slidably coupled into the coupling groove (45). The stapler structure according to claim 4 or 5, wherein the perforation (34) of the engaging body (30) and the third through hole (113) of the bottom frame (11) of the base (10) are pivoted. The pin (36) to be provided protrudes outward from the perforations (34) of both side plates of the engaging body (30), and a recess (42) is formed below the two side plates of the pressing arm (40), A stapler structure characterized in that when the pressing arm (40) is pressed, the recess (42) stops on a pin (36) protruding from the perforation (34).

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