Rotary stapler

Abstract

A rotary stapler comprises a machine base, a machine face, a machine core and a machine core frame, the tail end of the machine face is hinged to the machine base, the front end of the machine core frame is rotatably installed at the front end of the machine face, and a first elastic piece is further arranged between the front end of the machine core and the front end of the machine core frame. The tail end of the movement is hinged in first hinge holes in the left side and the right side of the movement frame through a first pivot, and the first pivot can slide up and down relative to the first hinge holes while rotating relative to the first hinge holes. The rotary stapler can ensure that paper, the machine core and the machine base are always attached in the stapling process, so that the stapling effect is better.

Description

Technical Field

[0001] This utility model relates to the field of stapler technology, specifically to a rotary stapler. Background Technology

[0002] Rotary staplers can handle binding needs at various angles by rotating, with common rotation angles being 90 degrees, 180 degrees, and 270 degrees. Staples can be used for horizontal or vertical binding, and can even be used to bind along the edges or folds of documents, greatly improving the flexibility of binding.

[0003] Chinese utility model patent CN2231181Y discloses a rotary stapler, the structure of which is as follows: Figure 1 As shown, it includes a base 1a, a movement 2a, a pressure plate 3a, a movement frame 4a, a screw 5a, a spring 6a, and a surface 7a. The movement 2a is mounted on the movement frame 4a. The movement frame 4a is rotatably mounted on the surface 7a by the screw 5a. The spring 6a is mounted on the screw 5a and provides elasticity to keep the movement frame 4a tightly against the surface 7a.

[0004] However, existing rotary staplers still have the following technical problems: no structure is designed to ensure that the paper, the machine core 2a, and the machine base 1a adhere to each other during the binding process, resulting in serious problems of understitched and floating staples and poor staple-making effect, especially when making 180-degree staples. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a rotary stapler that can ensure that the paper, the machine core, and the machine base are always in close contact during the binding process, so as to achieve a better stapleing effect.

[0006] The technical solution of this utility model is: a rotary stapler, including a base, a surface, a mechanism, and a mechanism frame. The tail end of the surface is hinged to the base, and the front end of the mechanism frame is rotatably mounted on the front end of the surface. A first elastic element is provided between the front end of the mechanism and the front end of the mechanism frame. The tail end of the mechanism is hinged to the first hinge holes on the left and right sides of the mechanism frame via a first pivot. The first pivot can rotate relative to the first hinge hole and slide up and down relative to the first hinge hole.

[0007] The working principle of this rotary stapler is as follows:

[0008] Place the paper to be bound between the base and the machine mechanism. Press down the front end of the machine face. The rear end of the machine face rotates around the base, causing the machine mechanism frame and the machine mechanism to move downwards. When the machine mechanism contacts the paper, continue pressing down on the machine face. The front end of the machine mechanism frame rotates downwards relative to the machine mechanism around the first pivot to perform the stapleping action. During the stapleping process, as the front end of the machine mechanism frame continuously presses against the front end of the machine mechanism, the first elastic element is compressed. This first elastic element drives the front end of the machine mechanism to press tightly against the paper. At the same time, the first pivot at the rear end of the machine mechanism slides up and down relative to the first hinge hole, causing the rear end of the machine mechanism to also press tightly against the paper. In this way, the machine mechanism, paper, and base remain in close contact throughout the stapleping process, making the stapleping more stable.

[0009] With the above structure, this utility model has the following advantages:

[0010] This utility model of a rotary stapler achieves a floating stapler by setting a first elastic element between the front end of the stapler and the front end of the stapler frame, and setting a first pivot sliding structure between the rear end of the stapler and the rear end of the stapler frame. During the staple-making process, the floating stapler can adaptively float to ensure that the stapler, paper and stapler base are always in close contact, so the staple-making is more stable and less prone to overturned or floating staples, resulting in better staple-making effect.

[0011] Preferably, the device also includes a nail clamp, which is mounted on the front end of the movement frame and movably connected to the front end of the movement. The first elastic element is disposed near the rear side of the nail clamp. The nail clamp is generally located at the very front of the movement. Positioning the first elastic element near the nail clamp allows its elastic force to act on a more forward position within the movement, resulting in better nailing performance. Furthermore, positioning the first elastic element behind the nail clamp prevents it from detaching from the movement frame.

[0012] Preferably, the top of the pressure pin is bent to form a connecting portion, and the pressure pin is connected to the bottom of the movement frame through the connecting portion. The top of the movement frame is provided with a pin cover. The upper end of the first elastic element abuts against the connecting portion of the pressure pin and the lower end abuts against the pin cover. This arrangement can limit the position of the first elastic element using the pressure pin and the pin cover, making the first elastic element more stably and reliably installed between the movement frame and the movement frame, and providing a more stable and reliable elastic force to the front end of the movement.

[0013] Preferably, the bottom of the mechanism frame, located on both the left and right sides of the first elastic element, is provided with limiting blocks. This arrangement uses two limiting blocks to restrict the left and right positions of the first elastic element, making the installation of the first elastic element more stable and reliable.

[0014] Preferably, each of the two limiting blocks is also provided with a slot for horizontally inserting the connecting part of the pressure nail piece. This arrangement makes the pressure nail piece and the movement frame a detachable structure, which facilitates independent replacement of the pressure nail piece after damage, saving maintenance costs; moreover, setting the detachable structure on the limiting blocks also realizes the functional reuse of the limiting blocks.

[0015] Preferably, the front end of the movement frame is provided with a second pivot, and the movement surface is provided with a shaft hole for mounting the second pivot. A fastener threadedly connected to the second pivot is provided in the shaft hole, and the movement frame is rotatably mounted in the shaft hole of the movement surface via the second pivot. This rotational structure between the movement frame and the movement surface is relatively simple and very convenient to assemble and disassemble.

[0016] Preferably, a second elastic element is also fitted around the second pivot, with one end of the second elastic element abutting against the fastener and the other end abutting against the shaft hole, so that the movement frame is tightly attached to the machine surface. Setting the movement frame tightly attached to the machine surface makes the movement frame more stable during rotation and less prone to wobbling.

[0017] Preferably, an angle positioning mechanism is provided between the front end of the movement frame and the front end of the movement surface, so that the movement frame can be positioned at different angles after rotating relative to the movement surface. This setting can fix the angle of the movement frame and the movement after rotation, making nailing more stable.

[0018] Preferably, the angle positioning mechanism includes a positioning groove on one of the bottom of the machine surface and the top of the movement frame, and a positioning protrusion on the other. The number of positioning grooves is greater than the number of positioning protrusions. When the movement frame rotates relative to the machine surface, the positioning protrusions are positioned in different positioning grooves. This angle positioning mechanism has a simple structure and ensures reliable positioning without affecting the rotation of the movement frame.

[0019] Preferably, the positioning groove is located at the bottom of the movement surface and circumferentially surrounds the shaft hole, while the positioning protrusion is located at the top of the movement frame and circumferentially surrounds the second pivot. The positioning groove and protrusion are positioned coinciding with the rotation center of the movement frame, which not only makes rotation smoother but also ensures more reliable positioning. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of an existing rotary stapler.

[0021] Figure 2 This is a schematic diagram of the structure of the rotary stapler of this utility model;

[0022] Figure 3 This is a top view of the rotary stapler of this utility model;

[0023] Figure 4 for Figure 3 Cross-sectional view at the midline AA′;

[0024] Figure 5 This is a left view of the rotary stapler of this utility model after it has been rotated 180 degrees;

[0025] Figure 6 This is an exploded view of the rotary stapler of this utility model.

[0026] Figure 7 This is a schematic diagram of the machine surface of the rotary stapler of this utility model;

[0027] Figure 8 This is a schematic diagram of the machine surface and the core frame of the rotary stapler of this utility model;

[0028] In the existing technical drawings: 1a-base, 2a-moving mechanism, 3a-pin clamping plate, 4a-moving mechanism frame, 5a-screw, 6a-spring, 7a-moving surface;

[0029] In the figures of this utility model: 1-base, 2-machine surface, 3-mechanism, 4-mechanism frame, 5-first elastic element, 6-first pivot, 7-first hinge hole, 8-pressure nail plate, 9-connecting part, 10-nail cover, 11-limiting block, 12-slot, 13-second pivot, 14-shaft hole, 15-fastener, 16-second elastic element, 17-positioning groove, 18-positioning protrusion, 19-third pivot, 20-second hinge hole, 21-third elastic element. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0031] Example:

[0032] like Figure 2-8 As shown, a rotary stapler includes a base 1, a stapler surface 2, a stapler mechanism 3, and a stapler frame 4. The tail end of the stapler surface 2 is hinged to the base 1. The front end of the stapler frame 4 is rotatably mounted on the front end of the stapler surface 2. A first elastic element 5 is provided between the front end of the stapler mechanism 3 and the front end of the stapler frame 4. The tail end of the stapler mechanism 3 is hinged to the left and right sides of the stapler frame 4 via a first pivot 6 in first hinge holes 7. The first pivot 6 can rotate relative to the first hinge holes 7 and slide up and down relative to the first hinge holes 7. In this embodiment, the first hinge holes 7 are oblong holes. The tail end of the stapler surface 2 is hinged to the base 1 via a third pivot 19 and a second hinge hole 20. A third elastic element 21 is provided between the tail end of the stapler surface 2 and the base 1. Both the first elastic element 5 and the third elastic element 21 are springs, and their up, down, left, right, front, and back directions are... Figure 2 As the standard.

[0033] In this embodiment, the rotary stapler achieves a floating stapler 3 by setting a first elastic element 5 between the front end of the stapler 3 and the front end of the stapler frame 4, and setting a first pivot 6 for up-and-down sliding structure between the rear end of the stapler 3 and the rear end of the stapler frame 4. During the staple-making process, the floating stapler 3 can adaptively float to ensure that the stapler 3, paper and stapler base 1 are always in close contact, so the staple-making is more stable and less prone to overturned or floating staples, resulting in better staple-making effect.

[0034] It also includes a nail clamping piece 8, which is installed at the front end of the movement frame 4 and movably connected to the front end of the movement 3. The first elastic element 5 is located close to the rear side of the nail clamping piece 8. The nail clamping piece 8 is generally located at the very front of the movement 3. By placing the first elastic element 5 close to the nail clamping piece 8, the elastic force of the first elastic element 5 can be applied to a more forward position of the movement 3, resulting in a better nailing effect. Moreover, placing the first elastic element 5 at the rear side of the nail clamping piece 8 can prevent the first elastic element 5 from coming out of the movement frame 4.

[0035] The top of the pressure pin 8 is bent to form a connecting portion 9. The pressure pin 8 is connected to the bottom of the movement frame 4 through the connecting portion 9. The top of the movement 3 is provided with a nail cover 10. The upper end of the first elastic member 5 abuts against the connecting portion 9 of the pressure pin 8 and the lower end abuts against the nail cover 10. In this embodiment, the connection between the nail cover 10 and the movement 3 can be achieved using existing technology. The tail end of the nail cover 10 and the tail end of the movement 3 are hinged together through the first pivot 6 in the first hinge holes 7 on the left and right sides of the movement frame 4. This arrangement can limit the first elastic member 5 using the pressure pin 8 and the nail cover 10, so that the first elastic member 5 is more stably and reliably installed between the movement 3 and the movement frame 4, and provides a more stable and reliable elastic force to the front end of the movement 3.

[0036] Limiting blocks 11 are respectively provided at the bottom of the mechanism frame 4 and on the left and right sides of the first elastic element 5. This setting can use the two limiting blocks 11 to restrict the left and right positions of the first elastic element 5, making the installation of the first elastic element 5 more stable and reliable.

[0037] Each of the two limiting blocks 11 is also provided with a slot 12 for horizontally inserting the connecting part 9 of the nail clamping piece 8. This arrangement makes the nail clamping piece 8 and the mechanism frame 4 detachable, which is convenient for independent replacement of the nail clamping piece 8 after damage, saving maintenance costs; moreover, setting the detachable structure on the limiting block 11 also realizes the functional reuse of the limiting block 11.

[0038] The front end of the movement frame 4 is provided with a second pivot 13, and the movement surface 2 is provided with a shaft hole 14 for mounting the second pivot 13. A fastener 15 is provided in the shaft hole 14 and is threadedly connected to the second pivot 13. The movement frame 4 is rotatably mounted in the shaft hole 14 of the movement surface 2 via the second pivot 13. In this embodiment, the fastener 15 is a screw. The rotation structure between the movement frame 4 and the movement surface 2 is relatively simple and very convenient to assemble and disassemble.

[0039] A second elastic element 16 is also sleeved outside the second pivot 13. One end of the second elastic element 16 abuts against the fastener 15 and the other end abuts against the shaft hole 14, so that the movement frame 4 is in close contact with the movement surface 2. In this embodiment, the second elastic element 16 is also a spring. Setting the movement frame 4 in close contact with the movement surface 2 can make the movement frame 4 more stable when rotating and less prone to shaking.

[0040] An angle positioning mechanism is also provided between the front end of the movement frame 4 and the front end of the movement surface 2, so that the movement frame 4 can be positioned at different angles after rotating relative to the movement surface 2. This setting can fix the angle of the movement frame 4 and the movement 3 after rotation, making nailing more stable.

[0041] The angle positioning mechanism includes positioning grooves 17 located on one of the bottom of the machine surface 2 and the top of the movement frame 4, and positioning protrusions 18 located on the other. The number of positioning grooves 17 is greater than the number of positioning protrusions 18. When the movement frame 4 rotates relative to the machine surface 2, the positioning protrusions 18 are positioned into different positioning grooves 17. This angle positioning mechanism has a simple structure and ensures reliable positioning without affecting the rotation of the movement frame 4.

[0042] Positioning grooves 17 are located at the bottom of the machine surface 2 and circumferentially surround the shaft hole 14. Positioning protrusions 18 are located at the top of the movement frame 4 and circumferentially surround the second pivot 13. In this embodiment, there are eight positioning grooves 17 evenly distributed, and four positioning protrusions 18 evenly distributed. The positions of the positioning grooves 17 and positioning protrusions 18 are aligned with the rotation center of the movement frame 4, which not only makes the rotation smoother but also makes the positioning more reliable.

[0043] The working principle of the rotary stapler in this embodiment is as follows:

[0044] Place the paper to be bound between the base 1 and the core 3. Press down the front end of the machine face 2. The rear end of the machine face 2 rotates around the base 1, causing the core frame 4 and the core 3 to move downwards. When the core 3 contacts the paper, continue pressing down on the machine face 2. The front end of the core frame 4 rotates downwards relative to the core 3 around the first pivot 6. The staple pressing piece 8 at the front end of the core frame 4 applies a downward force to the staples inside the core 3, thus performing the stapleping action. During the stapleping process, as the front end of the core frame 4 continuously presses against the front end of the core 3, the first elastic element 5 is compressed. This first elastic element 5 drives the machine... The front end of the core 3 presses firmly against the paper surface, while the first pivot 6 at the rear end of the core 3 slides up and down relative to the first hinge hole 7, thus pressing the rear end of the core 3 firmly against the paper surface as well. This ensures that the core 3, the paper, and the base 1 remain in close contact throughout the entire binding process, resulting in more stable binding. When the binding angle needs to be changed, the core frame 4 is rotated, and the core 3 rotates with it. After rotating to the desired angle, the positioning protrusion 18 on the core frame 4 is positioned within the corresponding positioning groove 17 on the machine surface 2, thus fixing the position of the core 3 and the core frame 4 after rotation. Figure 5 A schematic diagram of the structure after rotating the movement 3 and the movement frame 4 by 180 degrees is given. In this state, the movement 3, the paper and the base 1 can still be kept in close contact during the nailing process.

Claims

1. A rotary stapler, comprising a base (1), a stapler surface (2), a stapler mechanism (3), and a stapler frame (4), wherein the tail end of the stapler surface (2) is hinged to the base (1), and the front end of the stapler frame (4) is rotatably mounted on the front end of the stapler surface (2), characterized in that: A first elastic element (5) is provided between the front end of the movement (3) and the front end of the movement frame (4). The tail end of the movement (3) is hinged to the first hinge holes (7) on the left and right sides of the movement frame (4) via a first pivot (6). The first pivot (6) can rotate relative to the first hinge hole (7) and slide up and down relative to the first hinge hole (7).

2. A rotary stapler according to claim 1, characterized in that: It also includes a nail presser (8), which is installed at the front end of the movement frame (4) and movably connected to the front end of the movement (3), and the first elastic member (5) is located near the rear side of the nail presser (8).

3. A rotary stapler according to claim 2, characterized in that: The top of the pressure pin (8) is bent to form a connecting part (9). The pressure pin (8) is connected to the bottom of the movement frame (4) through the connecting part (9). The top of the movement (3) is provided with a nail cover (10). The upper end of the first elastic member (5) abuts against the connecting part (9) of the pressure pin (8) and the lower end abuts against the nail cover (10).

4. A rotary stapler according to claim 3, characterized in that: Limiting blocks (11) are respectively provided at the bottom of the mechanism frame (4) and on the left and right sides of the first elastic member (5).

5. A rotary stapler according to claim 4, characterized in that: The two limiting blocks (11) are also provided with slots (12) for horizontally inserting the connecting part (9) of the pressure nail piece (8).

6. A rotary stapler according to claim 1, characterized in that: The front end of the movement frame (4) is provided with a second pivot (13), and the movement surface (2) is provided with a shaft hole (14) for mounting the second pivot (13). The shaft hole (14) is provided with a fastener (15) threadedly connected to the second pivot (13). The movement frame (4) is rotatably mounted in the shaft hole (14) of the movement surface (2) via the second pivot (13).

7. A rotary stapler according to claim 6, characterized in that: A second elastic element (16) is also sleeved outside the second pivot (13). One end of the second elastic element (16) abuts against the fastener (15) and the other end abuts against the shaft hole (14) so ​​that the movement frame (4) is in close contact with the movement surface (2).

8. A rotary stapler according to claim 6, characterized in that: An angle positioning mechanism is provided between the front end of the mechanism frame (4) and the front end of the face (2) so that the mechanism frame (4) can be positioned at different angles after rotating relative to the face (2).

9. A rotary stapler according to claim 8, characterized in that: The angle positioning mechanism includes a positioning groove (17) disposed on one of the bottom of the machine surface (2) and the top of the mechanism frame (4) and a positioning protrusion (18) disposed on the other. The number of positioning grooves (17) is greater than the number of positioning protrusions (18). When the mechanism frame (4) rotates relative to the machine surface (2), the positioning protrusions (18) are positioned in different positioning grooves (17).

10. A rotary stapler according to claim 9, characterized in that: The positioning groove (17) is located at the bottom of the machine surface (2) and is circumferentially arranged outside the shaft hole (14). The positioning protrusion (18) is located at the top of the movement frame (4) and is circumferentially arranged outside the second pivot (13).

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