TWI716182B - Stapler - Google Patents

Abstract

A stapler is provided, including: a main body, including an inner space and a staple outlet; a striking mechanism, disposed in the inner space, including a striking member configured to strike a staple and a driving member by which the striking member is driven to move relative to the staple outlet; a staple straightening mechanism, disposed on the main body, including a receiving hole corresponding to the staple outlet, at least one abutting member being movable within the receiving hole and a force accumulating assembly which is movable toward the receiving hole to strike the at least one abutting member; a linkage mechanism, disposed in the inner space, the driving member and the force accumulating assembly being respectively connected with the linkage mechanism and comovable with each other; wherein when the driving member drives the striking member to move toward the staple outlet, the driving member drives the force accumulating assembly, by the linkage mechanism, to accumulate force and instantaneously strike the at least one abutting member to move in a direction toward the staple outlet, and the at least one abutting member and the striking member press and straighten the staple.

Description

stapler

The invention relates to a stapler.

Generally, a stapler is fixedly provided with a nail anvil corresponding to the nail opening, and the nail anvil is recessed with two recesses for pressing the two stitches of a staple, and the two stitches are bent to achieve the binding effect. However, since the two stitches are bent inwardly along the structure of the two recesses, improper operating force will affect the binding effect, and the two stitches cannot be completely flat on a surface of a binding object, resulting in the The thickness of the staples is large, the aesthetics is not good, and it is not conducive to file sorting, so a stapler with a flat needle function is developed.

The conventional flat needle stapler, as disclosed in the patent TWM496540, includes a main body, a sliding table movably arranged on the main body, and a movable table movably arranged above the sliding table. The movable table is provided with a pair of needle groove holes corresponding to the nail holes, a needle groove sheet for pressing the nail needle is provided in the needle groove hole, and an elastic member is arranged between the needle groove sheet and the main body to make the The needle groove piece has a tendency to move toward the nail opening. When the stapler is not operated, the movable table is blocked by the sliding table and cannot swing downward; when one of the pressing handles of the stapler is pressed to fire the staple and the staple passes through the object to be bound The sliding table slides backward and the movable table is separated from the sliding table to swing downwards, so that the needle groove piece can push the two stitches after the two stitches are bent, so as to achieve the effect of flat stitch binding. However, if the operating force is insufficient, the two stitches cannot be pressed flat, resulting in poor flat stitching effect.

Therefore, it is necessary to provide a novel and progressive stapler to solve the above-mentioned problems.

The main purpose of the present invention is to provide a stapler, which can surely flatten the stitches of the staples, and the effect of flat stitch binding is good.

In order to achieve the above object, the present invention provides a stapler, including: a main body, including an inner space and a nail opening; a firing mechanism, arranged in the inner space, including a striker for striking a staple and a A driving member that can drive the striker to move relative to the nail-driving port; a narrowing mechanism is provided on the main body, including a needle groove hole opposite to the nail-driving port, and at least one pusher movable in the needle groove hole And a force-storing component that can hit the at least one pusher toward the needle groove hole; a link mechanism is arranged in the internal space, the driving part and the force-storing component are respectively connected to the link mechanism for linkage Relationship; wherein, when the driving member drives the striker to move toward the nail opening, the driving member links the linkage mechanism to drive the accumulating component to accumulate force and then strikes the at least one pushing member toward the nail opening Move in the direction for pressing the nail needle against the striker.

The following examples are only used to illustrate the possible implementation aspects of the present invention, but they are not intended to limit the scope of protection of the present invention, and are described first.

Please refer to FIGS. 1 to 10, which show a preferred embodiment of the present invention. The stapler 1 of the present invention includes a main body 10, a firing mechanism 20, a narrowing mechanism 30 and a link mechanism 40.

The body 10 includes an inner space 11 and a nail opening 12; the firing mechanism 20 is arranged in the inner space 11 and includes a striker 21 for striking a nail 2 and a striker 21 that can drive the striker 21 relative to the striker The driving member 22 for the movement of the opening 12; the narrowing mechanism 30 is arranged on the main body 10 and includes a needle groove 31 opposite to the nailing opening 12, at least one pusher 32 movable in the needle groove 31, and A force accumulating component 33 that can strike the at least one pusher 32 toward the needle groove 31; the link mechanism 40 is arranged in the internal space 11, and the driving element 22 and the force accumulating component 33 are respectively connected to the connecting rod The mechanism 40 is in a linked relationship; wherein, when the driving member 22 drives the striking member 21 to move toward the nail opening 12, the driving member 22 drives the link mechanism 40 to drive the force storage assembly 33 to accumulate force and then strike the At least one pushing member 32 moves in the direction of the nailing opening 12 to allow the striking member 21 to press against the nail needle 2 so that the at least one pushing member 32 can be reliably pressed regardless of the operating force. Flat stitches 2 and flat stitch binding has a good effect.

The accumulating component 33 includes a accumulating member 331 arranged between the link mechanism 40 and the at least one pushing member 32, and a latching portion 332 releasably blocking the accumulating member 331. When When the driving member 22 links the linkage mechanism 40, the linkage mechanism 40 resists the force accumulating member 331 to deform and accumulate force, as shown in FIGS. 8 and 9; when the force accumulating member 331 is deformed to be released from the latch When the portion 332 is formed, the force accumulating member 331 hits the at least one pushing member 32 in the direction of the nailing opening 12, which can effectively flatten the two stitches of the nail needle 2 toward the nailing opening 12, as shown in FIG. The flat needle effect is better. The accumulating component 33 further includes a stopper 333 pivoted on the main body 10 and a stopper 334 capable of engaging with the stopper 333. The stopper 333 is provided with the latching portion 332. When the position portion 334 is blocked by the blocking member 333, a predetermined distance is maintained between the latching portion 332 and the at least one pushing member 32, so that the latching portion 332 can block the force storage member 331 at a proper position , The storage effect is better. Preferably, the stopper 333 is further extended with a resisting arm 335 opposite to the latching portion 332, and the force accumulating component 33 further includes an elastic member 336 that springs between the resisting arm 335 and the body 10 , So that the blocking member 333 is normally blocked with the limiting portion 334. Preferably, the main body 10 is recessed with a evacuating portion 13 which can partially accommodate at least one of the accumulating member 331 and the latching portion 332. When the driving member 22 drives the accumulating member 331 away from the at least one When a pushing member 32 moves, the force accumulating member 331 repels the latching portion 332 toward the evacuating portion 13. The latching portion 332 is at least partially accommodated in the evacuating portion 13 to allow the force accumulating member 331 to pass over the latch The switch 332, the accumulator 331 can be reset to the initial position without deformation. In this embodiment, the evacuating portion 13 includes a first groove 131 adjacent to the accumulating member 331 and a second groove 132 adjacent to the latching portion 332. The depth of the first groove 131 is less than The depth of the second groove 132, the first groove 131 and the second groove 132 are connected, so that the force storage member 331 and the latching portion 332 can be moved in and out of the avoiding portion 13 smoothly. After the force accumulating member 331 hits the at least one pushing member 32, the driving member 22 can drive the force accumulating member 331 to move away from the at least one pushing member 32, and the force storing member 331 resists the stopper toward the avoiding portion 13 The member 333 compresses the elastic member 336, so that the blocking member 333 pivots to the latching portion 332 at least partially received in the second groove 132, thereby allowing the force accumulating member 331 to pass the latching portion 332 without being deformed And at least part of it is accommodated in the first groove 131 and returns to the initial position (as shown in FIG. 11); and when the force accumulating member 331 passes over the latching portion 332, the elastic member 336 pushes the blocking member immediately 333 to block with the limiting portion 334, waiting to block the force accumulating member 331 again. In other embodiments, the depths of the first and second grooves may also be the same; the latching portion may also be fixedly arranged on the body and the force storage member deforms through the latching portion, which also enables the storage The force member moves back and forth over the catch to bounce or reset to the initial position.

The narrowing mechanism 30 further includes at least one fixing member 34 located between the nail driving port 12 and the force storage member 331. The at least one pushing member 32 is pivotally disposed on the at least one fixing member 34 so as to face The nail opening 12 swings relatively. One side of the at least one fixing member 34 facing the force storage member 331 is recessed with a guide interface 341 extending toward the at least one pushing member 32, and the force storage member 331 includes an impact portion facing the at least one pushing member 32 337. The impact portion 337 can move along the guide interface 341 toward the at least one pushing member 32 to ensure that the force storage member 331 can reliably hit the at least one pushing member 32. Preferably, the at least one pushing member 32 is provided with a first restricting portion 321, and the at least one fixing member 34 is provided with a first restricting portion 321 in a pivoting direction of the at least one pushing member 32. When the first restricting portion 321 abuts the second restricting portion 342, the at least one pushing member 32 pivots to be flush or protrudes from the needle groove hole 31 to avoid the at least one An ejector 32 pivots excessively or insufficiently. In this embodiment, the narrowing mechanism 30 includes two fixing members 34 spaced apart and enclosing the needle groove 31 and two pushing members 32 pivoted between the two fixing members 34. The pusher 32 is arranged opposite to each other and can be used to press one of the pins of the nail 2 respectively. In other embodiments, the needle groove hole can also be formed by a fixing member and the main body, or the main body directly penetrates the needle groove hole, and the two pushing members are pivoted on the main body and located at the needle groove. The same effect can be achieved in the grooves.

The narrowing mechanism 30 further includes a plurality of connecting pieces 35 connecting the two fixing pieces 34, each connecting piece 35 is provided with a flange 351, and the two fixing pieces 34 are respectively arranged on the flange 351 of each connecting piece 35 The two opposite sides can maintain a distance and facilitate assembly; each pusher 32 is pivoted between the two fixing members 34 by a connecting member 35; the first restricting portion 321 is integrally extended to each pusher 32 is a lug, and the second restricting portion 342 is a connecting piece 35 that can block the lug. The structure is simple and easy to process and assemble. In other embodiments, the first restricting portion may be additionally connected to each of the pushing members; the second restricting portion may also extend and protrude integrally on a fixing member; the first restricting portion and the second restricting portion The parts can also be a guide protrusion and a guide recess that can be slidably engaged with each other. In detail, each of the pushing members 32 includes a pushing surface 322 facing the nailing opening 12 and capable of pressing the nail needle 2. The pushing surface 322 is a flat surface, a concave flat surface or a concave curved surface. In an embodiment, the abutting surface 322 is a flat surface, which can effectively flatten the two stitches toward the nail opening 12.

In detail, the link mechanism 40 includes a first link 41 and a second link 42 pivotally connected to the driving member 22. The second link 42 is pivoted to the body 10 by a pivot 421 and has A first end 422 and a second end 423 are located on two opposite sides of the pivot 421. The first end 422 is pivotally connected to the first connecting rod 41, and the second end 423 is connected to the force storage component 33. When the first link 41 pushes down against the first end 422, the second end 423 swings upward so that the force accumulating member 331 abuts against the latching portion 332 to deform and accumulate force. In this embodiment, the force storage member 331 is provided on the second link 42 and extends toward the second end 423 to protrude the second link 42. The second end 423 of the second link 42 extends. There is a shoulder 424, the shoulder 424 can stop the accumulating element 331 in one of the impact directions of the accumulating element 331, so as to prevent the accumulating element 331 from overly impacting the two pushing elements 32 to reduce component loss; The accumulating member 331 is an elastic piece, and the elastic piece turns and extends toward the latching portion 332 with a latching tongue 338 that can abut against the latching portion 332, and the striking portion 337 is located between the latching tongue 338 and the shoulder 424 Therefore, the elastic sheet is easy to deform and accumulate force and has a good effect of accumulating force. Furthermore, each of the first link 41 and the second link 42 includes two swing arms 411, 425 extending parallel to each other and connecting portions 412, 426 connected between the two swing arms 411, 425, which can stabilize the pivot The pendulum is not easy to shift laterally and the structure strength is better. In other embodiments, the connecting rod mechanism can also be equipped with multiple connecting rods according to requirements; the accumulating member can also be arranged on the body or other positions according to configuration requirements; the accumulating member can also be other elastic members.

1: stapler 10: body 11: Internal space 12: nail hole 13: Dodge Department 131: first groove 132: second groove 20: firing mechanism 21: Impact parts 22: Driver 30: Narrowing mechanism 31: pin groove hole 32: pusher 321: first restriction 322: Conflict 33: accumulating component 331: accumulator 332: Card Control Department 333: Block 334: Limit 335: Secret 336: Elastic 337: impact part 338: Snap 34: fixed parts 341: Guide interface 342: second restriction 35: connection 351: Flange 40: Linkage mechanism 41: The first link 411,425: swing arm 412,426: Connecting part 42: second link 421: Pivot 422: first end 423: second end 424: shoulder 2: nails

Figure 1 is a perspective view of a preferred embodiment of the present invention. 2 and 3 are partial exploded views of a preferred embodiment of the invention. Figure 4 is a partial exploded view of a flat needle mechanism of a preferred embodiment of the present invention. 5 to 7 are schematic diagrams of the operation of the flat needle mechanism according to a preferred embodiment of the present invention. Figures 8 to 11 are actuated cross-sectional views of a preferred embodiment of the present invention.

1: stapler

10: body

20: firing mechanism

30: Narrowing mechanism

40: Linkage mechanism

Claims (10)

A stapler including: A body, including an internal space and a nail hole; A firing mechanism is arranged in the internal space, and includes a striker for striking a nail and a driving element that can drive the striker to move relative to the nail opening; A narrowing mechanism is arranged on the main body, and includes a needle groove hole opposite to the nail driving hole, at least one pusher movable in the needle groove hole, and at least one pusher that can strike the needle groove hole Power storage components A link mechanism is arranged in the internal space, and the drive member and the force storage component are respectively connected to the link mechanism in a linkage relationship; Wherein, when the driving member drives the striker to move toward the nailing opening, the driving member links the linkage mechanism to drive the accumulating component to accumulate force and then hitting the at least one pusher to move toward the nailing opening. So as to press the nail needle against the striker. The stapler according to claim 1, wherein the accumulating component includes a accumulating member arranged between the linkage mechanism and the at least one pushing member, and a releasably blocking the accumulating member When the connecting rod mechanism is linked by the driving member, the connecting rod mechanism resists the force storage member to deform and accumulate force; when the force accumulator is deformed to be out of the latch part, the force accumulator Hit the at least one pusher toward the direction of the nail opening. The stapler according to claim 2, wherein the accumulating component further includes a stopper pivoted on the body and a limit part capable of engaging with the stopper, and the stopper is provided with the catch When the limiting portion blocks the stopper, a predetermined distance is maintained between the latching portion and the at least one pusher. The stapler according to claim 2, wherein the narrowing mechanism further includes at least one fixing member located between the nail driving port and the force storage member, and the at least one pushing member is pivotally arranged on the at least A fixed piece. The stapler according to claim 4, wherein one side of the at least one fixing member facing the force storage member is recessed with a guide interface extending toward the at least one pushing member, and the force storage member includes a side facing the at least one The impact part of the pusher, the impact part can move toward the at least one pusher along the guide interface. The stapler according to claim 4, wherein the at least one pushing member is provided with a first restricting portion, and the at least one fixing member is provided with a first restricting portion that can be aligned with the first in a pivoting direction of the at least one pushing member. When the second restricting portion interferes with the restricting portion, when the first restricting portion abuts the second restricting portion, the at least one pusher pivots to be flush or protrudes from the needle groove hole. The stapler according to claim 1, wherein the link mechanism includes a first link and a second link pivotally connected to the driving member, and the second link is pivoted to the body with a pivot And has a first end and a second end located on two opposite sides of the pivot, the first end is pivotally connected to the first connecting rod, and the second end is connected to the force storage component. The stapler according to claim 7, wherein the power storage assembly includes a power storage member provided between the link mechanism and the at least one pushing member, the power storage member is provided on the second link and The second connecting rod extends toward the second end, and the second end of the second connecting rod is extended with a shoulder that can stop the force storage member in an impact direction of the force storage member . The stapler according to any one of claims 1 to 8, wherein each of the pushing members includes an abutting surface facing the staple opening and capable of resisting the staples, and the abutting surface is a flat surface, Concave plane or concave arc surface. The stapler according to claim 5, wherein the accumulating component further includes a stopper pivoted on the body and a limit part capable of engaging with the stopper, and the stopper is provided with the catch Part, when the limiting part blocks the stopper, a predetermined distance is maintained between the detent part and the at least one pushing part; the stopper is further extended with a resisting arm opposite to the detent part , The force accumulating component further includes an elastic member elastically abutting between the abutting arm and the main body, so that the blocking member normally blocks the limiting portion; the main body is recessed with a portion that can partially accommodate the The avoiding part of at least one of the accumulating member and the latching part, the avoiding part includes a first groove adjacent to the accumulating member and a second groove adjacent to the latching part, the first concave The depth of the groove is less than the depth of the second groove; the first groove communicates with the second groove; when the driving member drives the force storage member to move away from the at least one pushing member, the force storage member moves toward The evacuating portion repels the latching portion, and the latching portion is at least partially accommodated in the second groove to allow the force storage member to pass over the latching portion and at least partially accommodated in the first groove; the at least one The pushing member is provided with a first restricting portion, and the at least one fixing member is provided with a second restricting portion that can interfere with the first restricting portion in a pivoting direction of the at least one pushing member. When the first restricting When the part is in contact with the second restricting part, the at least one pusher pivots to be flush or protrudes from the needle groove hole; the narrowing mechanism includes two fixed parts arranged at intervals and enclosing the needle groove hole And two pushing pieces pivotally arranged between the two fixing pieces, the two pushing pieces are arranged opposite to each other and can respectively press against a pin of the nail; the narrowing mechanism further includes a plurality of connecting the two fixing pieces Connecting pieces, each connecting piece is provided with a flange around it, and the two fixing pieces are respectively arranged on two opposite sides of the flange of each connecting piece; each pushing piece is pivoted to the two fixing pieces by one connecting piece The first restricting portion is a lug extending integrally on each of the pushing pieces, the second restricting portion is a connecting piece that can block the lugs; each pushing piece includes An abutting surface facing the nailing opening and capable of pressing the nail needle, the abutting surface is a flat surface; the link mechanism includes a first link and a second link pivoted to the driving member , The second link is pivoted on the body with a pivot and has a first end and a second end located on two opposite sides of the pivot, the first end is pivotally connected to the first link, the The second end is connected to the force storage component; each of the first link and the second link includes two swing arms extending parallel to each other and a connecting portion connected between the two swing arms; the force storage member is arranged on the first Two connecting rods extend and protrude the second connecting rod toward the second end, the second end of the second connecting rod extends with a shoulder, and the shoulder can stop in an impact direction of the force storage member The power storage member; the power storage member is an elastic piece, the elastic piece turning toward the detent portion is extended with a latch that can abut the latch portion, the impact portion is located between the latch and the shoulder.

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