CN201201376Y - labor saving stapler - Google Patents

Abstract

The utility model relates to a laborsaving stapler, this stapler includes: a first pressure arm, a corresponding guide rail groove is arranged at the proper position of the middle section; a linkage arm group, which comprises a second pressure arm and a third pressure arm; a support seat for holding nail needle; a base, on the upper part of which is arranged a frame, the frame body is provided with a first hole, a second hole and a support hole which can be correspondingly articulated; when the end edge of the first pressure arm is pressed, the force arm from the force application point to the pin joint of the pressure arm rotating shaft of the seat frame is larger than the force arm from the guide rail rotating shaft to the pin joint of the pressure arm rotating shaft, so that the second pressure arm can be actuated in a linked manner, and then the link lever fulcrum shaft and the second pressure arm form an unequal pivot linkage so as to link the third pressure arm to generate warping actuation, so that the final force is transmitted to the needle ejecting sheet to press and bind the staple, thereby forming the stapler with less force.

Description

labor saving stapler

technical field

The utility model relates to a labor-saving stapler, in particular to a stapler structure which utilizes the principle of leverage to achieve paper labor-saving binding operations.

Background technique

General clerical work and data files can be summarized and sorted, and the stapler can be used to directly staple the paper or file files, so as to avoid the messy and scattered files and facilitate the binding and storage of files. Therefore, the stapler is actually a A helpful helper for file organization.

Please refer to shown in Figure 5, which is the structure of a generally known stapler. The stapler 7 mainly includes: a base 71, a needle groove seat 72, and a pressing arm 73; It is sleeved on the pivot hole 74 on one side of the base 71, and the pressing arm 73 is sleeved on the needle groove seat 72 and is axially sleeved on the pivot hole 74 of the base 71, and a needle piece 75 is combined at the front end; The pressing arm 73 rotates with the rotating shaft 76 of the pivot hole 74 as a fulcrum, and at the same time pulls the thimble plate 75 combined with the front end of the pressing arm 73 to move downwards, so as to push the nail needle accommodated in the needle groove seat 72 vertically downward, And it is bent and combined on the needle plate 77 at the front end of the base 71 to realize the function of file binding.

The inventors have found that in the structure of the generally known stapler, since the pressing arm uses the rotating shaft at the end as the fulcrum of rotation, the user presses down on the front end of the pressing arm with his hand, and the force of the pressing must be greater than The force that the staple bears is so that the staple can pass through the paper to achieve the effect of binding; however, this kind of laborious binding pressure can easily cause discomfort to the user's hand, and it is not convenient to operate. There are known issues with staplers that need to be addressed.

Utility model content

The purpose of the utility model is to provide a labor-saving stapler, which can use the principle of leverage to achieve the effect of labor-saving pressing during paper binding operations; at the same time, it has the characteristics of easy operation.

The purpose of this utility model is achieved in that a labor-saving stapler comprises:

A first pressing arm, a corresponding guide rail groove is provided at an appropriate part of the arm body, and a guide rail rotating shaft passes through the guiding rail groove, and a pressing arm rotating shaft is provided for the first pressing arm to pass through a pivot joint;

A connecting arm set includes a second pressing arm and a third pressing arm. The second pressing arm forms a front section and a rear section with unequal distances, wherein, the front section of the second pressing arm is a long distance and one side end is guided by the guide rail. The rotating shaft is pivotally connected to the guide rail groove of the first pressing arm, and the rear section of the second pressing arm is pivotally connected to the third pressing arm at a short distance from one end;

A base for accommodating staples;

A base, an open seat frame is provided on the top, and a first hole and a second hole are sequentially provided on the upper edge of the seat frame for corresponding pivot joints, and the first pressing arm passes through the pressing arm shaft Assuming that it is pivotally connected to the first hole, the front and rear sections of the second pressing arm are placed on the upper edge of the seat frame, the third pressing arm is pivotally connected to the second hole, and the seat frame is additionally provided with a The support hole of the support pivot;

From the above-mentioned components, when pressing the first pressing arm, since the force arm from the force point to the pivot joint of the seat frame pressing arm shaft is greater than the moment arm from the guide rail shaft to the seat frame pressing arm pivot joint, the pivoted The second pressing arm is able to act jointly, and then the second pressing arm forms an unequal pivot linkage, so that the third pressing arm is linked to produce a warping action, and the final actuating force Transfer to the thimble sheet to press down the staples for binding, thus achieving a labor-saving pressing stapler.

The first pressing arm further includes a corresponding engaging hole, the engaging hole is disposed at the end of the first pressing arm, and the engaging hole allows the rotating shaft of the pressing arm to pass through a pivot joint.

The second pressing arm further includes two combined pivot holes, a pivot hole, and a connecting rod support shaft, and a combined pivot hole of the combined pivot hole is arranged at the long-distance side end of the front section of the second pressing arm for the guide rail The rotating shaft is pierced and pivoted in the guide rail groove of the first pressing arm, and another joint pivot hole is set at the short-distance side end of the rear section of the second pressing arm, and the pivot hole is set at the front and rear sections of the second pressing arm Between, for the connecting rod fulcrum to pass through.

The third pressing arm further includes a pivot hole, a combined pivot hole, and an actuating shaft, the pivot hole is arranged at the middle section of the third pressing arm, the combining pivot hole is arranged at the rear end of the third pressing arm, the The actuating shaft passes through the joint pivot hole of the third pressing arm and the joint pivot hole at the short-distance side end of the second pressing arm.

The support further includes an engagement hole and an elastic body, the engagement hole is disposed at the end of the support, and the elastic body is disposed between the support and the third pressing arm.

The base further includes a base rotating shaft and an arm rotating shaft, the supporting rotating shaft passes through the supporting hole of the seat frame and the engaging hole of the supporting seat, the arm rotating shaft passes through the second hole of the seat frame and the The connecting pivot hole of the third pressing arm, the rotating shaft of the pressing arm passes through the first hole of the seat frame and the engaging hole of the first pressing arm.

The base further includes a flange, a groove, an elastic body, and a needle plate. The flange is arranged on the upper edge of the seat frame to support the pivoting movement of the interlocking fulcrum. The groove is arranged on the The upper edge of the seat frame is used to resist the rotating shaft of the guide rail, the elastic body is arranged between the seat frame and the support, and the needle plate is arranged on the base.

The support further includes a nail rail, a tension spring, a push needle seat, a hook, and a needle outlet. The nail rail is arranged in the support, and the tension spring and the push needle seat are all arranged In the nail rail, the needle outlet is arranged at the bottom of the front end of the needle rail, and the hook is arranged above the front end of the support.

The third pressing arm further includes a crimping part and a thimble piece. The crimping part is arranged at the front end of the third pressing arm. Hook and hook.

Known from the above description, compared with the prior art, the utility model can really reach the following effects:

1. Effort-saving pressing: When the first pressing arm of the stapler is pivoted downward, the double lever principle of the first pressing arm and the second pressing arm is used, and then the third pressing arm is linked to produce a slow and great pushing force. The force of the top pushes the thimble sheet to drive out the nails, thus achieving the effect of labor-saving pressing.

2. Ease of operation: By pressing down the first pressing arm and through the transmission of the linkage arm group, the document binding operation can be easily completed, thereby achieving the effect of simple operation.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the utility model.

Fig. 2 is a combined schematic diagram of the utility model.

Fig. 3 is a combined side view of the utility model.

4A to 4C are schematic diagrams illustrating the operation of the utility model.

Figure 5 is a side view of a known stapler.

Figure number:

1 first pressing arm 11 rail groove

12 guide rail shaft 13 engagement hole

14 Pressing arm shaft 2 Linking arm group

21 Second pressing arm 211 Combined pivot hole

212 Pivot hole 213 Connecting rod support shaft

22 Third pressing arm 221 Crimping part

222 Ejector piece 223 Grooving

224 Combined pivot hole 225 Pivot hole

23 Actuating shaft 3 Support

31 Engagement hole 32 Needle rail

33 Tension spring 34 Push pin seat

35 Hook 36 Needle outlet

37 Elastomer 4 Base

41 seat frame 411 flange

412 Groove 42 Support hole

421 Support shaft 43 First hole

44 Second hole 441 Arm shaft

45 Elastomer 46 Needle plate

5 Staples 6 Paper

7 Stapler 71 Base

72 Needle groove seat 73 Pressing arm

74 Shaft hole 75 Ejector piece

76 Rotating shaft 77 Needle plate

Detailed ways

Please refer to shown in Figure 1, the labor-saving stapler of the present utility model includes:

A first pressing arm 1 is provided with a corresponding guide rail groove 11 and a guide rail rotating shaft 12 passing through the guide rail groove 11 at an appropriate place in the middle section of the first pressing arm 1, and a corresponding joint hole 13 and a piercing hole 13 are provided at the end. The pressing arm rotating shaft 14 of the engagement hole 13;

A connecting arm group 2 includes a second pressing arm 21 and a third pressing arm 22; the two ends of the second pressing arm 21 are respectively provided with a joint pivot hole 211, and the second pressing arm 21 forms the front and rear sections Unequal distances, a pivot hole 212 is provided between the front and rear sections, so that it forms an unequal distance between the actuating pivot holes. The buckle portion 221 at the front end of the third pressing arm 22 is combined with a thimble piece 222, the thimble The sheet 222 is provided with a slot 223, a joint pivot hole 224 is provided at the middle section of the arm body, and an actuation pivot hole 225 is provided at the opposite end of the crimping portion 221. The pivot hole 212 of the second pressing arm 21 is formed by this The connecting rod pivots 213 are pivotally connected to each other, and the long-distance joint pivot hole 211 of the front section of the arm body is pivoted by the guide rail shaft 12 in the guide rail groove 11 of the first pressing arm 1, while the short-distance joint pivot hole 211 of the rear section is pivoted. The hole 211 is pivoted in the pivot hole 225 of the third pressing arm 22 by an actuating shaft 23;

A seat 3 is in the shape of a long groove as a whole, and a corresponding engaging hole 31 is provided at its end, and a nail rail 32 is provided in the center of the seat body, and a tension spring 33 and a push needle seat 34 are arranged in the rail to be pushed to the top. For the attached nail pin 5, please refer to Figures 4A to 4C. There is a hook 35 protruding above the front end of the support 3 for hooking the slot 223 of the thimble piece 222, and between the needle rails 32 at the front end. A needle outlet 36 is provided at the bottom, and an elastic body 37 capable of propping up and moving is provided between the support 3 and the third pressing arm 22;

A base 4 is a strip-shaped seat body, one end of which is pivotally provided with a U-shaped seat frame 41 with an upward opening, and a flange 411 and a groove 412 are provided on the upper edge, which can be respectively pivoted by the interlocking support shaft 213. The abutment of the turning action and the abutment of the completion of the pivoting action of the guide rail shaft 12, the upper edge of the seat frame 41 is sequentially provided with a first hole 43 and a second hole 44 for corresponding pivot joints; A hole 43 is corresponding to the engaging hole 13 of the first pressing arm 1, and the pivoting shaft 14 of the pressing arm is passed through and pivotally connected to the seat frame 41. The second hole 44 corresponds to the joint pivot hole 224 of the third pressing arm 22. The arm shaft 441 is pivotally connected to the seat frame 41, and the seat frame 41 is further provided with a seat hole 42. The seat hole 42 is the joint hole 31 corresponding to the support 3, and is pierced by a seat shaft 421. It is pivoted on the seat frame 41, and an elastic body 45 capable of propping up and moving is accommodated between the seat frame 41 and the support 3, and the other end of the base 4 is combined with a needle plate 46;

From the above components, when pressing the first pressing arm 1, since the force arm from the point of application of force to the pivot joint of the pressing arm shaft 14 of the seat frame 41 is greater than the moment arm from the pivot joint of the guide rail shaft 12 to the seat frame 41 pressing arm shaft 14, The second pressing arm 21 of the pivot joint can be jointly moved, and then the connecting rod support shaft 213 and the second pressing arm 21 form an unequal pivot joint linkage, and thus the third pressing arm 22 is linked to produce The warping action transmits the final actuating power to the ejector sheet 222 to press down the staples 5 for stapling, thereby reaching a labor-saving stapler.

Please also refer to Fig. 1, when the labor-saving stapler of the utility model is assembled, the joint hole 31 at the end of the support 3 is combined and pivoted to the support hole 41 of the base 4 frame 41 by the combination of the support shaft 421 42, and the elastic body 45 is accommodated between the seat frame 41 and the support 3, and the linkage arm set 2 is assembled, and the connecting rod pivot 213 of the second pressing arm 21 passes through the pivot hole 212, And make this connecting rod support shaft 213 just can be placed on the flange 411 of this seat frame 41, wherein, the combination pivot hole 211 of this front segment longer distance, pass through and pivotally connect with the first pressing arm by this guide rail rotating shaft 12 In the guide rail groove 11, the connecting pivot hole 211 with a shorter distance in the rear section is pivotally connected to the pivot hole 225 of the third pressing arm 22 by an actuating shaft 23, and the combining pivot hole 224 of the third pressing arm 22, The arm shaft 441 is pivotally connected to the second hole 44 of the seat frame 41, and the elastic body 37 is accommodated between the support 3 and the third pressing arm 22; finally, the first pressing arm 1 The engaging hole 13 is pivotally connected to the first hole 43 of the seat frame 41 by the pressing arm shaft 14 to combine to form a labor-saving stapler (as shown in FIGS. 2 and 3 ).

Please refer to Fig. 4A, Fig. 4B, and Fig. 4C. When using a labor-saving stapler, when the user presses the pressing part "a" of the first pressing arm 1 downward, the first pressing arm 1 is rotated by the pressing arm shaft. 14 is the fulcrum rotation (the distance from the pressing part "a" to the pressing arm shaft 14 is regarded as the force arm "W"), and then the guide rail shaft 12 slides down in the guide rail groove 11 to link the second pressing arm 21 Action (the distance from the guide rail shaft 12 to the pressing arm shaft 14 is regarded as the force arm "X"), the second pressing arm 21 is rotated with the connecting rod shaft 213 as the fulcrum (from the guide rail shaft 12 to the connecting rod shaft 213 The distance is regarded as the force arm "Y"), and then the second pressing arm 21 pivots the third pressing arm 23 with the actuating rotating shaft 23 (the distance from the connecting rod supporting shaft 213 to the actuating rotating shaft 23 is regarded as the moment arm "Z ”), and finally the third pressing arm 22 rotates with the arm shaft 441 as the fulcrum, so that the thimble piece 222 of the force-receiving part “B” of the third pressing arm 22 moves downward, and the third pressing arm 22 is forced by the elastic body 37 The support 3 moves downward with the support rotating shaft 421 on the seat frame 41 as the fulcrum, so that the needle outlet 36 of the support 3 stops against the paper 6 and stops rotating; The force of "a", then the guide rail groove 12 of the first pressing arm 1 continues to pull the second pressing arm 21, the guide rail shaft 12 goes down to the groove 412, and at the same time, the third pressing arm 22 is linked with the arm body shaft 441 Rotate downward as the fulcrum; according to the principle of leverage, when the force arms of "W" and "Y" are respectively greater than the force arms of "X" and "Z", the user applies pressure on the pressing part "a" of the first pressing arm 1. ", you can easily pivot the force-receiving part "B" of the third pressing arm 22 to generate a slow and great pushing force, and then the ejector piece 222 pushes the needle 5 out of the needle outlet 36, to complete the binding operation of the paper 6, thereby obtaining a stapler that is easy to operate and save labor; The elastic body 37 between the third pressing arm 22 and the support 3 returns elastically, so that the stressed part "B" of the third pressing arm 22 returns to its original position. The guide rail shaft 12 of the arm 21 slides and resets in the guide rail groove 11, and simultaneously makes the first pressing arm 1 pivot and return to a warped position, and the elastic force of the elastic body 45 returns to return the support 3 to its original position.

To sum up, the utility model uses the principle of lever transmission between the first pressing arm and the connecting arm group, and the labor-saving pressing and easy-to-operate push-up transmission can obtain a labor-saving stapler that can easily complete the paper binding operation. machine.

Although the utility model has been disclosed with specific embodiments, it is not intended to limit the utility model. Any person skilled in the art can replace equivalent components without departing from the concept and scope of the utility model, or The equivalent changes and modifications made according to the scope of protection of the utility model patent should still fall within the scope of this patent.

Claims (9)

1, a kind of labor-saved stapler is characterized in that this labor-saved stapler includes:

One first pressure arm, this arm body stage casing appropriate location is provided with a corresponding guide-track groove, reaches one and wears the guide rail rotating shaft of this guide-track groove, and be provided with the pressure arm rotating shaft that this first pressure arm of confession wears the pivot knot;

One coupled arm group, comprise one second pressure arm, one the 3rd pressure arm, it is not equidistant that this second pressure arm forms front and rear sections, wherein, this second pressure arm leading portion is tied in the guide-track groove of this first pressure arm by this guide rail rotating shaft pivot apart from a side for long, and this second pressure arm back segment is that short distance one side pivot is tied in the 3rd pressure arm;

One bearing, the ccontaining nail pin of interior confession;

One base, be provided with the seat framework of an opening in the top, and this framework top ora terminalis is provided with one first hole and one second hole for corresponding pivot knot in regular turn, this first pressure arm wears pivot with this pressure arm rotating shaft and ties in this first hole, place this framework upper limb between this second pressure arm front and rear sections, the 3rd pressure arm pivot is tied in this second hole, and this framework is provided with a bearing hole for this bearing pivot knot in addition.

2, labor-saved stapler as claimed in claim 1 is characterized in that: this first pressure arm more includes the conjugate foramen of a correspondence, and this conjugate foramen is arranged at this first pressure arm end, and this conjugate foramen wears the pivot knot for this pressure arm rotating shaft.

3, labor-saved stapler as claimed in claim 2, it is characterized in that: this second pressure arm more comprises two in conjunction with pivot hole, a pivoting hole, a connecting rod fulcrum, this is arranged at before this second pressure arm the segment length apart from a side in conjunction with one of pivot hole in conjunction with the pivot hole, wearing pivot for this guide rail rotating shaft ties in the guide-track groove of this first pressure arm, another is arranged at this second pressure arm back segment short distance, one side in conjunction with the pivot hole, this pivoting hole is arranged between the second pressure arm front and rear sections, wears for this connecting rod fulcrum.

4, labor-saved stapler as claimed in claim 3, it is characterized in that: the 3rd pressure arm more comprises a pivoting hole, in conjunction with pivot hole, a start rotating shaft, this pivoting hole is arranged at the 3rd pressure arm middle section, this is arranged at the 3rd pressure arm rear end in conjunction with the pivot hole, and this start rotating shaft wears tying in conjunction with pivot hole pivot in conjunction with pivot hole and this second pressure arm back segment short distance side of the 3rd pressure arm.

5, labor-saved stapler as claimed in claim 4 is characterized in that: this bearing more comprises a conjugate foramen, an elastomer, and this conjugate foramen is arranged at this bearing end, and this elastomer is arranged between this bearing and the 3rd pressure arm.

6, labor-saved stapler as claimed in claim 5, it is characterized in that: this base more comprises a bearing rotating shaft, an arm body rotating shaft, this bearing rotating shaft wears the bearing hole of this framework and the conjugate foramen of this bearing, this arm body rotating shaft wear second hole of this framework and the 3rd pressure arm in conjunction with the pivot hole, this pressure arm rotating shaft wears first hole of this framework and the conjugate foramen of this first pressure arm.

7, labor-saved stapler as claimed in claim 1, it is characterized in that: this base more comprises a flange, a groove, an elastomer, a needle plate, this flange is arranged at a framework upper limb, contact for this interlock fulcrum pivot start, this groove is arranged at this framework upper limb, end this guide rail rotating shaft for supporting, this elastomer is arranged between this framework and this bearing, and this needle plate is arranged on this base.

8, labor-saved stapler as claimed in claim 1, it is characterized in that: this bearing more comprises nail rail, an extension spring, push pin seat, a trip, a needle outlet, this nail rail is arranged in this bearing, this extension spring and the seat of pushing pin all are arranged in this nail rail, this needle outlet is arranged at the bottom of this pin rail front end, and this trip is arranged at this bearing front end top.

9, labor-saved stapler as claimed in claim 8, it is characterized in that: the 3rd pressure arm more comprises an attaching part, a needle jack-up piece, and this attaching part is arranged at the 3rd pressure arm front end, and this needle jack-up piece combines with this attaching part, be provided with one in this needle jack-up piece and wear groove, for the trip button hook of this bearing.

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