TWI616287B - Electric stapler - Google Patents

Abstract

An electric stapler comprising: a body having a front end opening having a working plane at the bottom; a nailing device disposed in the body and including a nailing mechanism capable of moving up and down; a switching mechanism; The nailing device is connected. When a paper is inserted into the front end opening of the body and the switching mechanism is touched, the nail pushing mechanism is driven to move downward to cause the nailing portion to fire a staple; an elastic guiding member is disposed at the front end of the body. The opening includes a guiding portion, an elastic means and a pivoting portion, the pivoting portion is pivoted to the front end of the nailing mechanism, and the guiding portion extends in the direction of the nail removing portion to swing up and down, the elastic means The guiding portion has a tendency to swing downward, and pushes the paper against the working plane direction. When the nail pushing mechanism moves downward, the guiding portion abuts against the paper placed on the working plane. The guiding portion is swung upward and compresses the elastic means, whereby the guiding portion further urges the paper to the working plane.

Description

Electric stapler

The invention relates to an electric stapler, in particular to an electric stapler for automatically nailing.

As described in the patent TW577378, the conventional electric stapler is provided with a button or a touch piece inside the opening. When the paper is inserted into the opening and the paper is pushed by the button, the switch can be activated to drive the nailing device to perform the nailing operation.

However, the use of such a structure requires the paper to be positioned by hand, so that the binding of the paper is often staggered and irregular due to human factors, especially when there is less paper.

Therefore, how to improve the sizing of the binding and the accuracy of the binding position, and reduce the difficulty of the use of automatic binding, has become an important issue.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide an electric stapler that can maintain the paper in the same direction so that the position of the binding is accurate.

To achieve the above object, the present invention provides an electric stapler comprising a body, a nailing device, a switching mechanism and an elastic guiding member.

The body enclosure has an accommodating space and has a front end opening, the bottom end of the front end opening has a working plane; the nailing device is disposed in the accommodating space and includes a nailing mechanism capable of moving in a vertical direction, the nailing The mechanism is movable between a starting position and a nailing position, the nailing mechanism has a tendency to maintain the starting position, the nailing mechanism has a nailing portion; the switching mechanism is coupled to the nailing device a paper is inserted into the front end opening of the body and touches the switch mechanism, and the switch mechanism drives the nailing mechanism of the nailing device to move down to the nailing position, so that the nailing portion fires a nail; the elastic guiding device is provided Opening the front end of the body, the elastic guiding member comprises a guiding portion, an elastic means and a pivoting portion, the pivoting portion is pivoted to the front end of the nailing mechanism, and the guiding portion is to the nailing portion The direction is extended to be able to swing up and down. The elastic means causes the guiding portion to have a tendency to swing downward, and pushes the paper toward the working plane. When the nailing mechanism moves to the nailing position, the elastic guiding The guiding part of the piece is topped Placed on the working plane of the sheet, so that the upward swinging guide portion and compresses the elastic means, thereby further to the guide portion of the nail portion is pulled out of the sheet.

Thereby, the electric stapler provided by the present invention can ensure that the paper is neat, the position of the binding is accurate, and the switch is easily triggered.

The following is a description of the possible embodiments of the present invention, and is not intended to limit the scope of the invention as claimed.

Referring to FIG. 1 to FIG. 12, the present invention provides an electric stapler comprising a body 10, a nailing device 20, a switch mechanism and an elastic guide member 60.

The body 10 encloses an accommodating space and has a front end opening 11 having a working plane 12 at the bottom. The nailing device 20 is disposed in the accommodating space and includes a nail that can move in a vertical direction. The nailing mechanism 21 is movable between a starting position and a nailing position, the nailing mechanism 21 has a tendency to maintain the starting position, and the nailing mechanism 21 has a nailing portion 211; The switching mechanism is connected to the nailing device 20, and when a paper 70 is inserted into the front end opening 11 of the body 10 and the switching mechanism is activated, the switching mechanism drives the nailing mechanism 21 of the nailing device 20 to move down to the nailing position. The nailing portion 211 is provided with a nail; the elastic guiding member 60 is disposed at the front end of the nailing mechanism 21 and is located at the front end opening 11 of the body 10. The elastic guiding member 60 includes a guiding portion 61 and a The elastic means 62 and a pivoting portion 63 pivotally connected to the front end of the nail pushing mechanism 21, the guiding portion 61 extending in the direction of the nail removing portion 211 to swing up and down, the elastic means 62 The guiding portion 61 has a tendency to swing downward when the nailing mechanism 21 hits the hammer When the position of the nail is moved, the guiding portion 61 of the elastic guiding member 60 abuts against the paper 70 placed on the working plane 12, causing the guiding portion 61 to swing upward and compress the elastic means 62. The lead portion 61 thereby pulls the sheet 70 further toward the nail removing portion 211.

With regard to the elastic guiding member 60, in the embodiment, the elastic guiding member 60 is made of an elastic material, and the pivoting portion 63 is located at the guiding portion 61 and the elastic means 62. The elastic means 62 is located above the guiding portion 61 and is normally curved. When the guiding portion 61 is pressed upwards, the pivoting portion 63 pivots relative to the nailing mechanism 21, so that the elastic means 62 is flattened by the pivoting portion 63 to reduce the curvature of the elastic means 62 (in a stretched state). Preferably, the guiding portion 61 is also curved, and the center of curvature of the guiding portion 61 is located The guiding portion 61 is located between the pivoting portion 63 and the protruding portion 211, and the center of curvature of the elastic means 62 is located above the elastic means 62; further, the nailing mechanism 21 has a pivot 212 and a The pivoting portion 63 of the elastic guiding member 60 is pivotally disposed on the pivoting portion 212, and the end of the elastic means 62 away from the pivoting portion 63 abuts against the abutting surface 213. Preferably, the abutting surface 213 The nailing mechanism 21 includes a front cover body, and the pivoting surface 212 and the abutting surface 213 are located on a side of the front cover body facing the working plane 12; The elastic guiding member 60 can also be provided with a guiding portion 61 for engaging an elastic member.

On the other hand, in the embodiment, the switch mechanism includes a swinging member 30, a switch 40 and an actuating member 50. One end of the swinging member 30 is pivotally disposed on the nailing mechanism 20, and the other end has an abutting portion 31. The swinging member 30 is further away from the front end opening 11 of the body 10, and the switch 40 is disposed in the receiving space of the body 10 and connected to the nailing device 20, when the switch 40 is touched, The nailing mechanism 21 of the nailing device 20 is driven to move to the nailing position, and the nailing portion 211 is fired by a nail. The triggering member 50 is movably disposed on the top surface of the switch 40 and the swinging member 30. The actuating member 50 is movable between a return position and a touch position, and the touch member 50 has a tendency to maintain the return position. When the abutting portion 31 of the swing member 30 is moved by the paper 70 to the touch member 50 pushing, will push the trigger member 50 to move to the touch position, and when the touch member 50 is in the touch position, the switch 40 is touched; more specifically, the abutting portion 31 of the swinging member 30 includes an abutting surface 311 and a pushing portion 312, the top surface 311 is V-shaped for the corner of the paper 70 The pushing portion 312 is configured to push the trigger member 50. In addition, the trigger member 50 includes an elastic member 51. The trigger member 50 is positioned by the elastic member 51 to the bottom of the body 10 and has a position maintained in the return position. In the trend, the side of the actuating member 50 facing the oscillating member 30 has a groove 52 extending in the vertical direction to allow the oscillating member 30 to move up and down.

As for the switch 40, a U-shaped switch can be used. The switch 40 has an induction slot 41 and a light is emitted from a side of the sensing slot 41 and is detected by the other side of the sensing slot 41. When the trigger 50 is located In the touch position, the touch member 50 is at least partially located in the sensing slot 41 to block the light. When the switch 40 does not detect the light, the nail driving device 20 is driven to perform the nailing.

In actual use, the paper 70 to be bound is inserted into the front end opening 11 of the body 10 with one corner thereof until it abuts against the abutting surface 311 of the swinging member 30 to push the swinging member 30 to swing a little to push the trigger member. 50, the switch 40 is activated, and the nail pushing mechanism 21 is driven to drop and fire the nail, so that the automatic binding work can be completed, wherein the elastic guiding member 60 can achieve the effect of fixing the paper and pulling the paper slightly inward. It prevents the paper from spreading and ensures the position of the binding is accurate.

In summary, the present invention achieves the effect of pre-moving the fixed paper and the guiding paper by an extremely simple structure, and ensures the accuracy and uniformity of the binding, and is highly effective.

10‧‧‧ Ontology
11‧‧‧ front opening
12‧‧‧ work plane
20‧‧‧Bearing device
21‧‧‧nailing mechanism
211‧‧‧ nailing department
212‧‧‧ pivot
213‧‧‧Abutment
30‧‧‧Swinging parts
31‧‧‧ arrive at the top
311‧‧‧ to the top
312‧‧‧Promotion Department
40‧‧‧ switch
41‧‧‧Induction slot
50‧‧‧Touching parts
51‧‧‧Flexible parts
52‧‧‧ slotting
60‧‧‧Flexible guides
61‧‧‧Guidance
62‧‧‧Flexible means
63‧‧‧ pivotal department
70‧‧‧ Paper

Figure 1 is a perspective view of the present invention. Figure 2 is a perspective exploded view of the present invention. Figure 3 is a cross-sectional view of the present invention. 4 to 6 are schematic views of the touch of the present invention. Figure 7 is a perspective view of the swinging member of the present invention. Figure 8 is a perspective view of the elastic guide of the present invention. Figure 9 is a schematic illustration of the use of the invention. 10 and 11 are schematic diagrams of the guide of the present invention. Figure 12 is a partial exploded perspective view of the present invention.

Claims (9)

An electric stapler comprising: a body surrounding a receiving space and having a front end opening, the front end opening having a working plane; a nailing device disposed in the receiving space and including a nailing mechanism The nailing mechanism is movable between a starting position and a nailing position, the nailing mechanism has a tendency to maintain the starting position, the nailing mechanism has a nailing portion; a switching mechanism, and the hammering The nail device is connected, when a paper is inserted into the front end opening of the body and the switch mechanism is activated, the switch mechanism drives the nail pushing mechanism of the nail pushing device to move down to the nailing position, so that the nailing portion fires a nail; The elastic guiding member is disposed at the front end of the body. The elastic guiding member comprises a guiding portion, an elastic means and a pivoting portion, and the pivoting portion is pivoted to the nailing mechanism a front end, the guiding portion extends in the direction of the nail removing portion and can swing up and down, the elastic means causes the guiding portion to have a downward swinging tendency, and the elastic guiding guide when the nail pushing mechanism moves to the nailing position The guide of the lead is abutted to The paper placed on the work surface causes the guiding portion to swing upward and compress the elastic means, whereby the guiding portion pulls the paper further toward the nail removing portion. The electric stapler according to claim 1, wherein the elastic guiding member is made of an elastic material, and the pivoting portion is located between the guiding portion and the elastic means, the elastic means Located above the guiding portion and normally in a curved shape, when the guiding portion is pressed upward, the pivoting portion pivots relative to the nailing mechanism, so that the elastic means is flattened by the pivoting portion to reduce the The curvature of the elastic means. The electric stapler of claim 2, wherein the guiding portion is also curved, and a center of curvature of the guiding portion is located above the guiding portion and between the pivoting portion and the output portion And the center of curvature of the elastic means is located above the elastic means. The electric stapler according to claim 3, wherein the nailing mechanism has a pivot and an abutting surface, and the pivoting portion of the elastic guiding member is pivotally disposed on the pivot, and the elastic means is away from the pivoting One end of the portion abuts against the abutment surface. The electric stapler of claim 4, wherein the nailing mechanism comprises a front cover, the pivot and the abutting surface being located on a side of the front cover facing the working plane. The electric stapler according to any one of claims 2 to 5, wherein the switch mechanism comprises a swinging member, a switch and an actuating member, wherein the swinging member has one end pivoted to the nailing mechanism and the other end having The oscillating member is further away from the front end opening of the body than the ejector portion, and the switch is disposed in the accommodating space of the body and connected to the nailing device, and when the switch is touched, the nailing device is driven The nail pushing mechanism moves to the nailing position, so that the nailing portion fires a nail, and the driving member is movably disposed between the switch and the abutting top of the swinging member, and the driving member can be in a return position Moving between a touch position, the trigger member has a tendency to maintain the return position. When the abutting top of the swinging member is pushed by the paper to the trigger member, the trigger member is pushed to move to the touch position, when the touch member The switch is activated when it is in the touch position. The electric stapler according to claim 6, wherein the abutting top of the swinging member comprises an abutting surface and a pushing portion, the abutting surface is V-shaped for the corner of the paper to abut, and the pushing portion is used for the pushing portion. To push the touch piece. The electric stapler of claim 6, wherein the trigger member comprises an elastic member, the actuating member being positioned by the elastic member to the bottom of the body and having a tendency to maintain the return position. The electric stapler according to claim 8, wherein one side of the actuating member facing the swinging member has a groove extending in the vertical direction to allow the swinging member to move up and down.