CN201006614Y - Hole puncher - Google Patents

Abstract

A hole punch comprising: a connecting strip; and two punches. Wherein the two punches are rotatably mounted to the connecting strip. According to the utility model discloses a hole puncher because two punches are rotationally installed on the connecting strip, through rotating connecting strip and a punch, can punch three holes on the paper as required.

Description

hole punch

technical field

The utility model relates to a puncher.

Background technique

Hole punches are widely used to punch holes in paper for storage in file folders or notebooks. Existing hole punches typically include stationary punches. When in use, the stationary punch punches two holes in the edge of the sheet. However, in some cases it may be necessary to punch three holes in the sheet. Existing hole punches just cannot satisfy this need.

Therefore, it is necessary to improve the hole punches of the prior art.

Utility model content

The utility model proposes aiming at the problems existing in the puncher of the above-mentioned prior art.

Therefore, an object of the present invention is to provide a hole puncher, which can punch two holes or three holes on a paper sheet as required.

According to the utility model, a puncher is provided, and the puncher includes:

connection strips; and

two punches;

Wherein, two punches are rotatably mounted on the connecting bar.

According to the puncher of the utility model, since the two punchers are rotatably mounted on the connecting bar, by rotating the connecting bar and one puncher, three holes can be punched out on the paper sheet as required.

Description of drawings

Fig. 1 is a perspective view of a puncher according to the utility model;

Fig. 2 is the top view of the puncher according to the utility model;

Fig. 3 is the front view of the puncher according to the utility model;

Fig. 4 is the rear view of the puncher according to the utility model;

Fig. 5 is a left side view of the punch according to the utility model;

Fig. 6 is the right side view of the puncher according to the utility model;

Fig. 7 is an exploded perspective view of the puncher according to the present utility model;

Fig. 8 is a perspective view of the bottom side of the hole punch according to the utility model, wherein a bottom cover is partially removed to show the internal structure;

Fig. 9 shows the state that the puncher according to the present utility model is piercing two holes for the paper sheet;

Fig. 10 has shown the state that the hole puncher according to the present utility model rotates from the state shown in Fig. 9 to the third hole for the paper sheet;

Fig. 11 has shown the initial state of the puncher that is provided with locking device;

Figure 12 is a cross-sectional view of the punch shown in Figure 11;

Fig. 13 has shown the state when the puncher of locking device is set punching;

Figure 14 is a cross-sectional view of the punch shown in Figure 13;

Fig. 15 has shown the state when the puncher locking of locking device is set; And

FIG. 16 is a cross-sectional view of the punch shown in FIG. 15 .

Detailed ways

1-8 show a hole punch 100 according to the present invention. The hole punch 100 according to the present invention comprises a substantially elongated flat connecting strip 101 and two punches 103 . Each punch 103 includes a base 105 , a bracket 107 , a pressing portion 109 , and a punching post 111 . The base 105 is preferably in the shape of a cuboid with an open bottom, with holes 113, 114 and 115 formed on the top of the base. The bracket 107 includes a bottom 117 , two sides 119 integral with the bottom 117 extending parallel to both sides of the bottom 117 , and a top 121 extending parallel to the bottom 117 from one side to the other. Holes are formed on the bottom 117 corresponding to the holes 113, 114 and 115 on the base, wherein the holes 123, 124 corresponding to the holes 113 and 114 are visible in the figure, and the other hole corresponding to the hole 115 is in the It is not visible in the picture. Holes 125 are also formed in the top 121 corresponding to the holes 115 in the base and invisible holes in the bottom 117 . One end portions of the two side portions 119 are respectively formed with grooves 127 . Elongated grooves 129 substantially perpendicular to the bottom 117 are also formed on the side portions 119 adjacent to the grooves 127 . The pressing portion 109 includes a top portion 131 and two side portions 133 integrated with the top portion 131 and extending parallel to two sides of the top portion 131 . Holes 135 and 137 are correspondingly formed on the two side portions 133 . The stamping column 111 has a through hole 141 and has a sharp punching edge at the bottom end of the stamping column for punching holes in the paper.

When assembled, the base 105 and bracket 107 are secured together with their holes 113, 114, 115 and 123, 124, 125 aligned with each other. The portion of the base 105 where the hole 115 is formed is lower than the portion where the holes 113 and 114 are formed, so that there is a sufficiently large gap between the portion of the base 105 where the hole 115 is formed and the bottom 117 of the bracket 107 for the hole to be punched. Sheet inserted. The stamping post 111 is inserted into the aligned hole 125 on the bottom 117 and top 121 of the support, and the pin 143 passes through the hole 137 on one side 133 of the pressing portion, the elongated groove 129 on one side 119 of the support, the stamping The through hole 141 of the post 111 , the elongated groove 129 on the other side 119 of the bracket, and the hole 137 on the other side 133 of the pressing part. Simultaneously, the pin shaft 145 passes through the hole 135 on one side 133 of the pressing part, the groove 127 on one side 119 of the bracket, the coil spring 147, the groove 127 on the other side 119 of the bracket, and presses. The hole 135 on the other side portion 133 of the upper portion makes the two free ends of the coil spring 147 abut against the bottom 117 of the bracket 107 and the top 131 of the pressing portion 109 respectively. In this way, the pressing part 109 is movably assembled on the bracket 107 to form a punch 103 .

Two ends of the connection bar 101 are respectively formed with through holes 149 . The two ends of connecting bar 101 are respectively placed on a puncher 103, and each punched hole is punched by connecting piece 151 passing through through hole 149 of connecting bar 101, hole 123 of support 107 and hole 113 of base 105. The hole tool 103 is rotatably connected with the connecting bar 101 . The center-to-center distance between two punches 103 is preferably the distance between holes of standard loose-leaf paper. It can be seen that the rotation between the connecting bar 101 and the punch 103 is blocked by the support of the punch 103 . Preferably, the connection bar 101 and the punch 103 are arranged such that the rotation of the connection bar 101 and each punch 103 relative to each other around the connection piece 151 in one direction is limited to the connection bar 101 and each punch 103 In the vertical position, the rotation in the other direction opposite to the one direction is also limited to the position where the connection bar is perpendicular to each punch, that is, the rotation range of the connection bar 101 around the connection piece 151 relative to the punch Or the rotation range of the puncher around the connecting piece 151 relative to the connecting bar 101 is limited to 180°. In addition, each hole punch 103 may further include a bottom cover 153 that can be snapped onto the open bottom of the base 105 to accommodate paper scraps.

The hole punch 100 according to the present invention also includes a locking device 155 arranged on one punch 103 . Preferably, the locking device 155 includes a locking piece 157 and a coil spring 159 . The locking piece 157 includes a stepped or hook-shaped locking portion 161 at the middle and a hole 163 at the bottom. When assembled, the bottom end of the locking tab 157 is inserted into the elongated opening 169 formed in the top 131 of the punch pressing portion 109. Bearing pin 165 passes hole 167 on a side portion 119 of support, coil spring 159, the hole 163 of locking plate 157 bottoms and the hole 167 on the other side portion 119 of support, so that a free end of coil spring 159 is installed onto the locking tab 157. The coil spring 159 makes the side of the locking piece 157 with the locking portion 161 always tend to abut against the end of the elongated opening 169 on the top 131 of the pressing portion, so that the pressing portion 103 can be pushed down to punch holes in the paper sheet. Punch post 111 remains through the sheet to lock punch 103 to the sheet. It should be understood that the locking device is a preferred mode of the present invention, and it can be any type of locking device, as long as it can keep the punching post 111 passing through the paper after punching the paper. For example, the coil spring may not be needed, and the locking piece may be directly placed in the locking position or the unlocking position by hand; the elongated opening may not be formed on the top of the pressing part, and the locking piece directly acts on the pressing part. Furthermore, locking devices can also be provided on both punches.

The operation of the hole punch 100 according to the present invention will be described below. First, adjust the punch 100 to the position shown in FIG. 1 , that is, the position where the two punches 103 are substantially perpendicular to the connection bar 101 . Insert the paper sheet 171 into the gap between the base 105 and the support 107 of the two punches 103, and press the pressing portion 109 of each punch 103 to punch two holes on the edge of the paper sheet.

When it is necessary to punch out three holes on the paper, the punch 103 with the locking device needs to be placed at the position where the middle hole needs to be punched out on the paper 171, as shown in Figure 9, press each punch 103 The pressing part 109 just can punch out two holes on the paper edge. As shown in Figures 13 and 14, when pressing the pressing part 109 of the puncher 103 provided with the locking device, the pressing part 109 moves downward with the punching column 111 to punch holes in the paper sheet, while the locking part 161 of the locking piece 157 moves from The elongated opening 169 on the pressing portion 109 is exposed. When the pressing on the pressing portion 109 is released, as shown in FIGS. Under the action, the stamping column 111 is brought back to the initial position, that is, the stamping column 111 still maintains the state of penetrating the paper sheet, thereby preventing the paper sheet from shifting. For clarity, the sheets are not shown in Figures 11-16. When the punch 103 provided with the locking device remains in the locked state shown in FIGS. 101 rotates 180°, so that the paper sheet is placed in the gap between the base 105 and the support 107 of another punch 103, as shown in FIG. 10 . At this time, the pressing portion 109 of another puncher 103 is pressed to punch a third hole on the paper sheet 171 . Thereafter, the locking piece 157 is pulled by hand to overcome the active force of the spring 159, and the locking portion 161 of the locking piece 157 is separated from the pressing portion 109, and the punch 103 provided with the locking device returns to the initial state, and can be removed from the paper. Hole punch 100. The dotted lines in Figure 10 show the connection bar and punch during turning.

Although the preferred embodiment of the utility model has been described in detail above in conjunction with the accompanying drawings in a non-limiting manner, it should be understood that various modifications can be made to the utility model without departing from the scope defined by the claims of the utility model. Transform and modify. For example, the punch may not be limited to the types described above, and may be any known punch. Also, locking means is not necessary, and a punch can be held in a locked position by hand. Furthermore, the locking device can also be used for punches with two or more punching cylinders.

Claims (14)

1. A hole puncher, said hole puncher comprising: connection strips; and two punches; It is characterized in that two punches are rotatably mounted on the connecting bar. 2. The hole punch of claim 1, wherein the rotation of the connecting strip and each punch relative to each other in one direction is limited to a position where the connecting strip is perpendicular to each punch, and in the opposite direction. Directional rotation is also limited to the position where the connecting strip is perpendicular to each punch. 3. The hole punch of claim 1, wherein the center-to-center distance between two hole punches is the hole-to-hole distance of standard loose-leaf paper. 4. The punch according to claim 1, characterized in that at least one punch is provided with locking means for locking the at least one punch in a punching state. 5. The hole punch as claimed in claim 1, characterized in that, the punch includes a base, a bracket, a pressing part, and a punching column, which are movably assembled together by a spring and a pin, so that by pressing the The pressing part can drive the stamping column to move downward. 6. The punch according to claim 5, wherein at least one punch is provided with locking means for locking the at least one punch in the punching state. 7. The hole punch according to claim 6, wherein the locking device comprises a locking plate mounted on the punch, and the locking plate has a locking portion for locking the pressing portion in the pressing state. 8. The hole punch according to claim 7, wherein the locking device further comprises a spring, and the spring acts on the locking piece so that the locking part tends to lock the pressing part. 9. The hole punch according to claim 8, wherein an elongated opening is formed on the top of the pressing part, the locking piece passes through the elongated opening, and the locking part of the locking piece is caught on the pressing part when the pressing part is locked. superior. 10. The hole punch according to claim 5, further comprising a bottom cover fastened on the base. 11. A punching device, the punching device includes a base, a bracket, a pressing part, and a punching column, which are movably assembled together through a spring and a pin shaft, so that pressing the pressing part can drive the punching column to Moving down, it is characterized in that the punch is also provided with a locking device for locking the punch in the punching state. 12. The punch according to claim 11, wherein the locking device comprises a locking piece mounted on the punch, and the locking piece has a locking portion for locking the pressing portion in the pressing state. 13. The punch according to claim 12, wherein the locking device further comprises a spring, and the spring acts on the locking piece so that the locking part tends to lock the pressing part. 14. The punch according to claim 13, wherein an elongated opening is formed on the top of the pressing part, the locking piece passes through the elongated opening, and the locking part of the locking piece is caught on the pressing part when the pressing part is locked. superior.

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