TW201332723A - Flat clinch stapler with staple slot plate position limiting structure - Google Patents

Abstract

The present invention relates to a flat clinch stapler with staple slot plate position limiting structure, which comprises a base, a staple magazine assembly, a pressing handle assembly, and a staple flattening apparatus. The base is configured with a bottom surface and two side walls. One end of the bottom surface is upwardly protruded with a plurality of position limiting blocks configured separately from the two side walls. An accommodation area is formed among the plurality of position limiting blocks. Both ends of the staple slot plate are downwardly extended with two guiding legs. The two guiding legs of the staple slot plate are extended into the accommodation area between two corresponding position limiting blocks. A movable plate is pivoted with the base and configured with a receiving hole. Two side walls of the movable plate are downwardly protruded with two position limiting arms at the position relative to the staple slot plate near the two guiding legs of the staple slot plate, so as to provide a flat clinch stapler that is capable of limiting the direction of the staple slot plate and enhancing the staple flattening quality.

Description

Flat needle stapler with needle groove limiting structure

The invention relates to a flat stapler with a needle groove limiting structure, in particular to a flat stapler capable of limiting the direction of the needle groove and improving the quality of the flat needle.

According to the existing stapler, in order to improve the quality of the binding, a flat needle device is arranged on the stapler, and the stitches of the staples are flushed through a fixed needle groove to avoid bending stitches. Puncture the file or stab the user, but the existing fixed needle groove is fixed on the base of the stapler. When the flat needle is bound, there is a gap between the staple and the needle groove. There are doubts about poor quality when the needle and the needle groove are quickly impacted.

In addition, there is a slidable needle groove piece, but the existing slidable needle groove piece tends to be inclined when moving, and it does not provide a good flat needle effect, and further improvement is required.

As shown in FIG. 8 , the present invention is a conventional plain stapler 60 having a slidable needle groove piece 62 . The inner surface of the two side walls of a base 61 is respectively recessed to form a needle groove piece 62 . The sliding groove 611 extending into the side allows the needle groove piece 62 to pass through the top surface having the flat needle effect, and when the flat needle operation is performed, the guiding effect of the needle groove piece 62 when moving up and down relative to the base 61 can be provided, and the base 61 is further provided. An elastic member 612 abutting against the needle groove piece 62 is disposed on the bottom surface between the two side walls, so that the needle groove piece 62 can move up and down relative to the base 61 along the sliding groove 611.

However, the conventional flat stitch stapler 60 can make the stitches of the staples flush, but the portions of the needle groove sheet 62 that are not used for the flat needles are exposed outside the sliding groove 611, so that it is easy to be externally affected. When the action of the needle groove piece 62 is affected, for example, if there is a foreign object between the portion of the needle groove piece 62 that is not used for the flat needle and the inner wall of the base 61, the needle groove piece 62 is easily caught by the foreign object, and the needle is affected. The smoothness of the groove piece 62 is moved. Further, the width of the needle groove piece 62 must be large enough to extend both sides into the sliding groove 611, or the width of the base 61 of the stapler 60 needs to match the width of the needle groove piece 62. Width, this will be limited by the size of the two, but also the size and design space of other components are relatively limited, there are improvements.

Therefore, the present invention has been developed in view of the lack of the limit structure of the needle-punch stapler of the prior art, and has been continuously tested and researched to finally develop a present invention which can improve the existing defects.

The object of the present invention is to provide a flat stapler with a needle groove limiting structure, which is arranged in a simplified structure to move the needle groove in a single direction, thereby providing a direction for limiting the needle groove and improving the quality of the flat needle. The flat stitch stapler.

Based on the above objective, the main technical means of the present invention is to provide a flat stapler with a needle groove limiting structure, which comprises a base, a needle assembly pivoted on the base, and a pivoting base. a pressing handle assembly located above the butt assembly and a flat needle device disposed on the base, the flat needle device is provided with a needle groove piece and a movable plate, wherein the base is provided with a bottom surface and two side walls, a plurality of limiting blocks spaced apart from the two sidewalls are disposed on the bottom of the bottom surface, and a receiving area is formed between the plurality of limiting blocks; the two ends of the needle groove are respectively Forming a guide pin extending downwardly, and a flat needle portion is protruded upwardly from the middle portion, and the two lead pins of the pin groove sheet extend into the receiving area of the base and are respectively corresponding to the two The movable plate is pivotally connected to the base, and the movable plate is provided with a hole through a top surface of the end surface different from the base, so that the flat needle portion of the needle groove piece Exposed to the top surface of the movable panel via the hole, Side walls opposite to the movable plate-based sheet at the needle grooves are provided with a downwardly protruding limiting arms, two limiting arms of the movable plate line respectively proximate the two legs of the needle guide plate grooves.

According to the above technical means, the flat needle stapler with the needle groove limiting structure of the invention has at least the following advantages and effects:

A flat-needle stapler having a needle-groove sheet limiting structure according to the present invention, wherein the two limiting arms of the movable plate are matched by the limiting blocks of the base, and the two guiding pins of the needle groove piece are effectively The movement direction is restricted, so that the two guide pins are close to the limit blocks of the base and the two limit arms of the movable plate, whether the needle groove piece is actuated or not actuated, so that the needle groove piece is It can only move relative to the base and the movable plate without causing left and right swinging. Therefore, when the flat needle is loaded, the needle groove piece moves up and down along the receiving area of the base, and further The needle groove of the needle groove piece can receive the staple hit by the needle piece assembly in time, and guide the staple needle to reach the correct position along the needle groove, thereby improving the quality of the stapler binding of the stapler.

2. The flat-needle stapler having the needle-groove sheet limiting structure of the present invention, wherein the guiding pins on both sides of the needle-groove sheet are wrapped under the movable plate and are located in the space formed by the two limiting arms, only The flat needle portion of the needle groove piece having the flat needle effect is exposed through the hole of the movable plate. Therefore, the movement of the needle groove piece is not easily affected by external factors, and the movement of the needle groove piece can be improved, thereby improving the smoothness of the movement of the needle groove piece. A flat stapler that can limit the direction of the needle groove and improve the quality of the flat needle is provided.

In order to understand the technical features and practical functions of the present invention in detail, and in accordance with the contents of the specification, the following is further described in detail with reference to the preferred embodiments shown in the drawings, as shown in FIG. 1 to FIG. The stylus stapler with the needle groove limiting structure comprises a base 10, a butt assembly 20 pivoted on the base 10, a pressure pivoted on the base 10 and located above the butt assembly 20 The handle assembly 30 and a flat needle device 40 disposed on the base 10, the flat needle device 40 is provided with a needle groove piece 41 and a movable plate 42, wherein the file assembly 20 and the press handle assembly 30 are compatible with the prior art. The same, so the detailed structure will not be described.

Referring to FIG. 5 , the base 10 is provided with a lower base 11 and an upper base 12 . The lower base 11 is a seat having a slightly U-shaped cross section and is provided with a bottom surface and two side walls. The lower base 11 is provided. The bottom surface and the two side walls may be the bottom surface and the two side walls of the base 10. The lower base 11 is convexly disposed at one end of the bottom surface, and a plurality of limiting blocks 13 spaced apart from the two side walls are disposed, and in the plurality of An accommodating area 14 is formed between the limiting blocks 13. Preferably, the lower base 11 is provided with four opposite limiting blocks 13 on the bottom surface, and the accommodating area 14 is disposed on the four limits. Between the blocks 13, the upper base 12 is coupled to the lower base 11, wherein the upper base 12 can also have a U-shaped cross section and can be made of metal.

As shown in FIG. 3 to FIG. 6 , the flat needle device 40 is provided with a needle groove piece 41 and a movable plate 42 . The needle groove piece 41 is a metal piece body, and the two ends of the needle groove piece 41 are A guide pin 411 extending downwardly is formed, and a flat needle portion 412 is protruded upwardly from the middle portion. The flat needle portion 412 is recessed with a needle groove 413 on the top surface, and the two lead pins of the needle groove piece 41 are formed. The 411 is inserted into the accommodating area 14 of the lower base 11 and is interposed between the two limiting blocks 13 respectively, so that the needle groove piece 41 cannot move relative to the base 10 along the X-axis direction.

The rear end of the movable panel 42 is pivotally connected to the upper base 12, so that the user presses the pressure handle assembly 30 to drive the needle assembly 20 to pivot, and the stapler located in the hammer assembly 20 is placed. When the needle is struck, the needle unit 20 pivots downwardly relative to the base 10 and abuts against the needle groove 413 of the needle groove piece 41. The movable plate 42 is formed with a hole 421 extending through the top surface of the front end that is different from the upper base 12 , so that the flat needle portion 412 of the needle groove piece 41 can be exposed to the movable plate 42 via the hole 421 . The top surface, and the guide pins 411 on both sides of the pinch sheet 41 are wrapped under the movable plate 42, and only the flat needle portion 412 having the flat needle effect of the needle groove piece 41 is bored through the movable plate 42 The 421 is exposed; the two side walls of the movable panel 42 are respectively disposed with a limiting arm 422 protruding downwardly from the needle groove piece 41. The two limiting arms 422 of the movable plate 42 are respectively associated with the needle groove piece 41. The two lead pins 411 are close to each other, so that the pinch sheet 41 cannot move relative to the base 10 and the movable plate 42 along the Y-axis direction.

Further, please refer to FIG. 6 , the two sides of the flat needle portion 412 of the needle groove piece 41 respectively have a first gap (t ₁ ) with the inner wall surfaces of the hole 421 of the movable plate 42 , and the first gap (t ₁ ) is greater than 0 mm (mm) and less than or equal to 0.2 mm (ie, 0<t ₁ ≦0.2 mm), and each lead pin 411 of the pinch sheet 41 is opposite to the movable plate 42 bit arm 422 having a second gap (t _2), the second gap (t ₂₎ greater than 0 mm line (mm) and less than or equal to 1.7 mm (i.e., 0 <t ₂ ≦ 1.7mm), preferably The second gap (t ₂ ) is greater than 0 mm (mm) and less than or equal to 0.5 mm (ie, 0<t ₂ ≦0.5 mm), wherein each of the limit arms 422 of the movable plate 42 corresponds to The second gap (t ₂ ) between the guiding pins 411 can be adjusted to increase or decrease the lateral thickness of each limiting arm 422, thereby adjusting the limiting arm 422 to be close to the corresponding pin 104 of the corresponding pin slice 41. The distance of the needle groove piece 41 can be restricted by providing a rib on the limit arm 422 which is close to the corresponding guide pin 411.

Referring to FIG. 6 and FIG. 7 , the flat needle stapler with the needle groove limiting structure of the present invention is matched with the two limiting arms 422 of the movable plate 42 through the limiting blocks 13 of the base 10 . The two guiding pins 411 of the pinch sheet 41 are effectively restricted in the moving direction (X-axis and Y-axis directions), so that the two guiding pins 411 of the pinch sheet 41 and the limiting blocks of the base 10 13 and the two limiting arms 422 of the movable panel 42 are close to each other, so that the needle groove piece 41 can only move up and down (Z-axis direction) with respect to the base 10 and the movable plate 42 without causing left and right swinging. In this way, when the flat needle is loaded, the needle groove piece moves up and down along the accommodating area of the base (Z-axis direction), so that the needle groove 413 of the needle groove piece 41 can receive the needle at a proper time. The staple hit in the assembly 20 is guided and guided to the correct position along the needle groove 413, thereby improving the quality of the stapler staple binding.

Furthermore, since the lead pins 411 on both sides of the needle groove sheet are wrapped under the movable plate 42 and are located in the space formed by the two limiting arms 422, only the needle portion 41 has a flat needle portion with a flat needle effect. The 412 is exposed through the hole 421 of the movable plate 42. Therefore, the movement of the needle groove piece 41 is not easily affected by external factors, thereby improving the smoothness of movement of the needle groove piece 41, thereby providing a limitable needle groove piece. The direction and the flat stitch stapler that improves the quality of the flat needle.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any one of ordinary skill in the art can use the present invention without departing from the scope of the present invention. Equivalent embodiments of the invention may be made without departing from the technical scope of the present invention.

10. . . Base

11. . . Lower base

12. . . Upper base

13. . . Limit block

14. . . Included area

20. . . Acupuncture assembly

30. . . Clamp assembly

40. . . Flat needle device

41. . . Needle groove

411. . . Lead pin

412. . . Flat needle

413. . . Needle groove

42. . . Activity board

421. . . Hole

422. . . Limit arm

60. . . Flat stapler

61. . . Base

611. . . Chute

612. . . Elastic component

62. . . Needle groove

t ₁ . . . First gap

t ₂ . . . Second gap

1 is a perspective view of a flat stapler with a needle groove limiting structure according to the present invention.

2 is a partial exploded perspective view of the flat stapler with the needle groove limiting structure of the present invention.

3 is another partial exploded perspective view of the flat stapler with the needle groove limiting structure of the present invention.

4 is a partially enlarged perspective view of the flat stapler with the needle groove limiting structure of the present invention.

FIG. 5 is a schematic cross-sectional view of the flat stapler with the needle groove limiting structure of the present invention.

Figure 6 is a side cross-sectional view showing the flat stapler of the present invention having a needle groove limiting structure.

Fig. 7 is a schematic side sectional view showing the operation of the flat stapler with the needle groove limiting structure of the present invention.

FIG. 8 is an exploded perspective view of a conventional flat stapler with a needle groove limiting structure.

10. . . Base

11. . . Lower base

12. . . Upper base

13. . . Limit block

40. . . Flat needle device

41. . . Needle groove

411. . . Lead pin

412. . . Flat needle

413. . . Needle groove

42. . . Activity board

421. . . Hole

422. . . Limit arm

Claims (13)

A flat stapler with a needle groove limiting structure, comprising a base, a needle assembly pivoted on the base, a pressure handle assembly pivoted on the base and located above the needle assembly, and a setting a flat needle device on the base, the flat needle device is provided with a needle groove piece and a movable plate, wherein the base is provided with a bottom surface and two side walls, and the base is convexly disposed at one end of the bottom surface a plurality of limiting blocks spaced apart from the two sidewalls, forming a receiving area between the plurality of limiting blocks; the two ends of the pinch sheet are respectively formed with a guiding pin extending downward, and the middle portion is a flat needle portion is protruded upwardly, and the two lead pins of the needle groove piece extend into the receiving area of the base; and the movable plate is pivotally connected to the base, and the movable plate is different from The top surface of one end of the base is disposed with a hole through which the flat needle portion of the needle groove piece is exposed on the top surface of the movable plate, and the two side walls of the movable plate are opposite to the needle groove piece Each of the departments has a limit arm protruding downward, and two limit arms of the movable plate Respectively proximate the two legs of the needle guide grooves sheet. The stylus stapler having the needle groove limiting structure according to claim 1, wherein each of the limiting arms of the movable plate is provided with a rib adjacent to the corresponding guiding pin. The stylus stapler having the needle groove piece limiting structure according to claim 1 or 2, wherein the base is provided with four opposite limiting blocks on the bottom surface, and the accommodating area is disposed on the four Between the limit blocks, and the two lead pins of the pinch sheet are respectively between the corresponding two limit blocks. The flat-needle stapler of claim 3, wherein the base is provided with a lower base and an upper base, wherein the lower base is a seat having a slightly U-shaped cross section. The bottom surface and the two side walls, and the upper base is a U-shaped seat body combined with the lower base, and the movable plate is pivotally connected to the upper base. The flat-needle stapler of claim 4, wherein the bottom surface and the two side walls of the lower base are the bottom surface of the base and the two side walls. The flat stitch stapler having the needle groove limiting structure according to claim 5, wherein the two side faces of the flat needle portion of the needle groove piece respectively have a first gap with the inner side wall masks of the hole of the movable plate, The first gap is greater than 0 mm and less than or equal to 0.2 mm. The needle-stitch stapler of the needle-groove sheet limiting structure according to claim 6, wherein each of the guiding pins of the needle-groove sheet has a second gap between the limiting arm and the limiting arm, and the second gap The system is greater than 0 mm and less than or equal to 1.7 mm. A flat stapler having a needle groove limiting structure according to claim 7, wherein the second gap is greater than 0 mm and less than or equal to 0.5 mm. The flat needle stapler having the needle groove limiting structure according to claim 1, wherein the base is provided with a lower base and an upper base, wherein the lower base is a seat having a slightly U-shaped cross section. The bottom surface and the two side walls, and the upper base is a U-shaped seat body combined with the lower base, and the movable plate is pivotally connected to the upper base. The flat-needle stapler of claim 1 , wherein the bottom surface and the two side walls of the lower base are the bottom surface of the base and the two side walls. The flat needle stapler having the needle groove limiting structure according to claim 1, wherein the two sides of the flat needle portion of the needle groove sheet respectively have a first gap with the inner wall masks of the apertures of the movable plate, The first gap is greater than 0 mm and less than or equal to 0.2 mm. The flat-needle stapler with a needle-groove sheet limiting structure according to claim 1, wherein each of the guiding pins of the needle-groove sheet has a second gap between the limiting arms corresponding to the movable plate, and the second gap The system is greater than 0 mm and less than or equal to 1.7 mm. A flat stapler having a needle groove stop structure according to claim 12, wherein the second gap is greater than 0 mm and less than or equal to 0.5 mm.