KR101241934B1 - Punch for office work - Google Patents

Abstract

SUMMARY OF THE INVENTION An object of the present invention is to provide an office punch having a decompression structure that allows a smooth punching operation with less force by designing and changing an operation structure of an office punch for punching holes in paper and the like into a specific structure. .
To this end, an office punch having a decompression structure according to the present invention is installed vertically on both sides with a supporting member having at least one hole perforated on an upper surface thereof, and a space in which paper is inserted between the supporting member. A pair of side members to be provided, the pressing member is rotatably installed on the side member via a hinge shaft applied to the pressing force from the upper side, a punch blade vertically installed on the upper side of the hole, and the return spring In a punch; Both ends of the rod-shaped first connecting pins are fixed to the inner wall of the pressing member, and both ends of the rod-shaped second connecting pins are respectively fixed to the inner wall of the pair of side members; The first connection pin is connected to one end of a pair of first arms having a bar shape, and the second connection pin is connected to one end of a pair of second arms having a bar shape and then connected to the first arm. And the second arm is connected at the other end to have a cross link structure via a third connecting pin; Punch blade located vertically above the hole of the support member is coupled via a coupling pin between the pair of second arms, it is configured to move up and down in conjunction with the second arm.

Description

Office punch with decompression structure {PUNCH FOR OFFICE WORK}

The present invention relates to an office punch having a decompression structure. The present invention relates to a decompression structure designed to operate an office punch for punching holes, such as paper, into a specific structure, so that the punching operation can be performed smoothly with less force. It relates to an office punch having.

      In general, an office punch is an office article for punching a hole so that one edge of a document such as paper can be bound and bound by an iron string, a fastener, or a binder.

      1 is a side cross-sectional view showing the structure of a conventional office punch. The conventional office punch has a support member 3 having a pair of holes perforated to selectively insert a punch blade, and both sides of the support member 3. A pair of side members 2 installed to form a space into which paper for drilling is inserted, a pressing member 1 installed through the hinge shaft 8 on the side members 2, and the pressing member. (1) and at least one punch blade (4) for drilling holes in the paper and the like located in the space as moving vertically while interlocking through the pressure bar (8-2), and the pressing member (1) ) And a return spring 7 or the like for the return of the punch blade 4.

      In this case, the office punch is applied by the user to press the pressing member (1) so that the external force from the upper side is applied to the pressing rod (8-2) interlocked with the pressing member (1), the pressing rod (8-) 2) presses the upper end side of the pair of punch blades 4 directly to lower the punch blades 4, whereby holes are provided in a paper or the like located in the space between the support member 9 and the side member 2; It will be perforated.

However, in the conventional office punch as described above, since the pressing pins interlocked with the pressing member at the upper end of the punch blade must directly press and lower the holes so that holes are punched in the paper or the like, a large pressing force must be applied during the drilling operation. It is a structure, and a problem arises that a weak woman or an elderly person has difficulty in carrying out the drilling work.

Accordingly, the present invention has been made in order to improve the conventional problems as described above, the object of which is to change the operation structure of the office punch for punching holes in paper and the like to a specific structure to drill smoothly with less force It is an object of the present invention to provide an office punch having a decompression structure capable of carrying out work.

      Office punch having a pressure-sensitive structure according to the present invention for achieving the object as described above, in the state in which a space member is inserted between the supporting member and the supporting member at least one hole in the upper surface is formed; A pair of side members installed vertically on both sides thereof, a pressing member rotatably installed on the side member via a hinge axis, and receiving a pressing force from an upper side thereof, a punch blade installed vertically above the hole, and returning An office punch comprising a spring; Both ends of the rod-shaped first connecting pins are fixed to the inner wall of the pressing member, and both ends of the rod-shaped second connecting pins are respectively fixed to the inner wall of the pair of side members; The first connection pin is connected to one end of a pair of first arms having a bar shape, and the second connection pin is connected to one end of a pair of second arms having a bar shape and then connected to the first arm. And the second arm is connected at the other end to have a cross link structure via a third connecting pin; Punch blade located vertically above the hole of the support member is coupled to the coupling between the pair of second arms via a second, it is configured to move up and down in conjunction with the second arm.

      Preferably, the upper side of the one side member is horizontally bent to form a stopper with the upper end side of the punch blade is penetrated, the expansion portion protrudes rounded at a predetermined point of the second link corresponding to the bottom surface of the stopper It features.

      Preferably, the second arm has a length longer than that of the first arm, while the spacing between the coupling pins and the second connecting pins in the second arm is equal to each other. It is characterized in that the length is configured long compared to the interval between the pin is coupled.

      On the other hand, the office punch having a decompression structure according to a modification of the present invention, the support member in which at least one hole is perforated on the upper surface, and a space portion into which the paper is inserted between the support member is formed perpendicular to both sides Including a pair of side members which are installed in the side, a pressing member which is rotatably installed on the side member via a hinge shaft to receive a pressing force from the upper side, a punch blade installed vertically on the upper side of the hole, and a return spring A configured office punch; Both ends of the rod-shaped first connecting pins are fixed to the inner wall of the pressing member, and both ends of the rod-shaped second connecting pins are respectively fixed to the inner wall of the pair of side members; One end of an arm having a “┗━” shape is penetrated and coupled to the second connection pin, and an upper end of the arm is installed in close contact with a roller fitted to the first connection pin; Punch blade located vertically above the hole of the support member is coupled to the coupling pin between the pair of arms, it is configured to move up and down in conjunction with the arm.

      According to the present invention made as described above, by designing and changing the operation structure of the office punch for drilling holes at a certain point in order to iron a variety of documents, papers, etc. to a specific structure, the woman or the elderly, too, pressurized with less force There is an effect that can be carried out smoothly while pressing the member, through which it is possible to provide a high-quality office punch more convenient to use.

1 is a side cross-sectional view showing the configuration of a conventional office punch;
2 is a perspective view showing the configuration of an office punch having a decompression structure according to the present invention;
3 is a side cross-sectional view showing an operating state of an office punch having a decompression structure according to the present invention;
4 is a side sectional view showing an operating state of an office punch having a decompression structure according to a modification of the present invention.

Hereinafter, the present invention configured as described above will be described in detail with reference to the accompanying drawings.

Figure 2 is a perspective view showing the configuration of an office punch having a decompression structure according to the present invention, Figure 3 is a side cross-sectional view showing an operating state of the office punch having a decompression structure according to the present invention, Figure 4 is a variation of the present invention It is a side sectional view which shows the operation state of the office punch which has a pressure reduction structure.

First, the office punch having a decompression structure according to the present invention is designed to change the operation structure of the office punch for punching holes into various documents, papers, and the like into a specific structure, so that the punching operation is performed smoothly while pressing the pressure member with less force. Is implemented according to the implementation.

To this end, the punch blade 40 in the office punch consisting of a supporting member 10 and the pressing member 30, a pair of side members 20, a punch blade 40 and the return spring 50, etc. A decompression means of a specific structure including a first arm 70 and a second arm 72 is configured to pressurize.

      That is, the office punch is provided with a supporting member 10 having a cover 12 for opening at least one hole 14 in the upper surface thereof and selectively opening and closing the lower surface of the office punch. At the point, a pair of side members 20 are vertically installed in a state in which a space portion 16 into which documents or paper are inserted is formed between the supporting member 10 and the pair of side members ( 20, the pressing member 30 is installed to have a structure rotatable through the hinge shaft 32 is configured to receive a pressing force from the upper side.

      In addition, the hinge shaft 32 is coupled to the return spring consisting of at least one torsion spring is installed, and when the external force is applied to the pressing member 30 is released, the pressing member 30 to the original position And returning to

      At this time, both ends of the first connecting pin 62 having a substantially rod shape are fixedly installed at both inner side walls thereof while the cross section of the pressing member 30 is formed to have a substantially “┏┓” shape. Both ends of the second connecting pins 64 having a substantially rod shape are fixedly installed between the inner walls of the pair of side members 20, respectively.

      In addition, one end of the pair of first arms 70 having a bar shape is coupled to the first connecting pin 62, and the second connecting pin 64 has a bar shape. After one end of the pair of second arms 72 is coupled through, the other ends of the first arm 70 and the second arm 72 are mutually connected via a third connecting pin 66 having a substantially rod shape. Connected to form a link structure.

      In the second arm 72, the through hole through which the second connecting pin 64 is coupled through is a long hole shape for smooth operation of the second arm 72 connected to the first arm 70 in a link structure. Preference is given to perforations.

      In addition, the second arm 72 is configured to have a length longer than that of the first arm 70, the coupling pin 60 and the second connection pin 64 in the second arm (72). The spacing between the combined points is configured to have a length that is longer than the spacing between the coupling points 60 and the third connecting pin 66.

      The upper side corresponding to the hole 14 punched in the support member 10 is formed in a substantially bar-shaped punch at the bottom end is provided with a punching blade 40, the punch blade 40 is the one It is configured to be fixedly coupled between the second arm 72 of the pair via a coupling pin (60), and thus through the link structure with the first arm (62) in accordance with the pressing of the pressing member (30). The front end side of the punch blade 40 is selectively inserted into the hole 14 through the second arm 72 which is interlocked to move downward to perform the punching operation.

      In addition, a portion of the upper end side of one side member 20 provided on one side of the support member 10 is horizontally bent to form a stopper 22 in a state where the upper end side of the punch blade 40 is penetrated. In addition, the expansion unit 73 is formed to protrude round at a predetermined point of the second link 72 corresponding to the bottom surface of the stopper 22, the pressing member via the return spring (50) 30) to limit its return position upon return.

      On the other hand, the office punch having a decompression structure according to the present invention has the same structure, the number of holes 14 and punching blade 40 perforated in the support member 10 in various design configurations within one to a plurality of ranges You can do it.

      For example, when the two holes 14 and the punch blade 40 are provided, the first arm 70 and the second pair of pairs are formed by the first to third connecting pins 62, 64, and 66. The two arms 72 can be connected in the same structure as described above to form a pressure reducing means for the office punch.

      In the office punch having a decompression structure according to the modification of the present invention shown in FIG. 4, the office punch has the same structure as described above, and at least one hole 14 is drilled on the upper surface thereof and selectively opened and closed on the lower surface thereof. A supporting member 10 having a cover 12 is provided, and a space portion 16 is formed at both sides of the supporting member 10 at a predetermined point to insert a document or paper between the supporting member 10. A pair of side members 20 are installed vertically in the state, the side member 20 is configured to be applied to the pressing force from the upper side by the pressing member 30 is installed in a rotatable state via the hinge shaft (32). On the other hand, at least one return spring 50 is coupled to the hinge shaft 32, and when an external force is applied to the pressing member 30 and then released, the pressing member 30 returns to the original position. To act It is.

      In addition, both ends of the first connecting pin 62 having a substantially rod shape are fixedly installed on the inner wall of the pressing member 30, and the rod having a substantially rod shape is formed on the inner wall of the pair of side members 20. Both ends of the two connecting pins 64 are fixedly installed.

In addition, one end of the arm 80 having an approximately "┗━" shape is coupled to the second connection pin 64, and an upper end of the other end side of the arm 80 is connected to the first connection pin 62. It is installed in close contact with the roller 63 fitted in the configuration, and the punch blade 40 located vertically above the hole 14 of the support member 10 is a coupling pin between the pair of arms (80) It is configured to be fixedly coupled via 60.

Accordingly, the external force is applied to the pressing member 30 and the arm 80 moves downward by being interlocked by the external force from the first connecting pin 62, thereby between the pair of arms 80. The punch blade 40 fixedly coupled to the lower side is to be punched through the lower edge of the paper or paper work.

Next, the operation of the present invention as described above will be described in detail as follows.

      First, in order to drill a hole at a predetermined point such as various documents or paper by using an office punch having a decompression structure according to the present invention, a space provided between the support member 10 and the side member 20 of the office punch is provided. In the section 16, a document or paper to be drilled is placed.

      When the user applies an external force downward toward the pressing member 30, the pressing member 30 pivots downward based on the hinge shaft 32 and is coupled to the pressing member 30. The first arm 70 installed through the first connecting pin 62 and the second arm 72 connected in a link structure via the first arm 70 and the third connecting pin 66 interlock with each other. It is rotated toward the lower side, and the punch blade 40 fixedly installed through the coupling pin 60 between the pair of second arms 72 is lowered while the lower end of the hole of the support member 10 ( 14) As it is inserted into the side, the perforation work is performed on documents or paper located in the space 16.

      That is, in the office punch having a decompression structure according to the present invention, the external force transmitted to the pressing member 10 is the punch blade 40 based on the principle of the link structure and the lever of the first and second arms 70 and 72. While being delivered smoothly), you will be able to easily drill with very little force.

      In other words, the second connecting pin 64 connected to the rear end of the second arm 72 and the third connecting pin 66 connected to the front end of the second arm 72 based on the position of the coupling pin 60. The ratio of the distance and the position of the hinge shaft 32 and the third connecting pin 66 of the pressing member 30 is closer to the pressing pressure of the pressing member 30 is applied in proportion to the structure By configuring the first arm 70 and the second arm 72 in a proper position, the pressure reduction action can be applied to the office punch.

      In addition, the punching operation is completed to remove the external force applied to the pressing member 30 side, by the action of the return spring 50, the pressing member 30, the first arm 70 and the second Each component including the arm 72 and the like can be returned to its original position.

      In addition, the perforated rice dropped from the paper or paper by the punching operation is collected in the support member 10 through the hole 14 of the support member 10, and then easily removed by opening the cover 12 You can do it.

      In the modified example of the present invention as shown in FIG. 4, when the user applies an external force downward toward the pressing member 30, the pressing member 30 is lowered based on the hinge shaft 32. At the same time, the first connecting pin 62 coupled to the pressing member 30 interlocks and presses the upper end of the arm 80 in close contact with the roller 63 to move downward. Accordingly, the punch blade 40 fixedly coupled between the pair of arms 80 via the coupling pin 60 is easily moved to the lower side with only a small force, and is punched through the lower edge of the paper or paper. It will do the work.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.

10: support member, 12: cover,
14: hall, 16: space part,
20: side member, 22: stopper,
30: pressing member, 32: hinge shaft,
40: punch blade, 50: return spring,
60: coupling pin, 62: first connecting pin,
63: roller, 64 second connecting pin,
66: third connecting pin, 70: first arm,
72: second arm, 73, 83: extension,
80: Arm.

Claims (4)

delete delete delete A support member having at least one hole perforated on the upper surface, a pair of side members installed vertically on both sides thereof with a space portion into which a paper is inserted between the support member, and a hinge shaft on the side member. An office punch comprising a pressurizing member which is rotatably installed in a furnace and receives a pressing force from an upper side, a punch blade installed vertically on an upper side of the hole, and a return spring;
Both ends of the rod-shaped first connecting pins are fixed to the inner wall of the pressing member, and both ends of the rod-shaped second connecting pins are respectively fixed to the inner wall of the pair of side members;
One end of an arm having a “┗━” shape is penetrated and coupled to the second connection pin, and an upper end of the arm is installed in close contact with a roller fitted to the first connection pin;
Punch blade located vertically above the hole of the support member is coupled via a coupling pin between the pair of arms, it is configured to move up and down in conjunction with the arm; office work having a decompression structure, characterized in that punch.

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