stapler

Abstract

This invention belongs to the field of stationery technology and discloses a stapler, including a base, a lifting handle cover, a top cover, a staple path assembly, and a rotating connector. The base has a first connection point, a second connection point, and a third connection point; the lifting handle cover is rotatably connected to the first connection point at its center, and the lifting handle cover has a first end and a second end, with the distance between the first connection point and the first end being greater than the distance between the first connection point and the second end; the top cover is rotatably connected to the second connection point at its center, and the top cover has a third end and a fourth end, with the third end having an upper blade, and the distance between the second connection point and the third end being less than the distance between the second connection point and the fourth end; the staple path assembly is rotatably connected to the third connection point, and the staple path assembly has a fifth end and a sixth end, with the fifth end corresponding to the third end and having a staple outlet; the two ends of the rotating connector are rotatably connected to the second end and the fourth end, respectively. In this invention, the pressing force acting on the first end of the lifting handle cover is amplified twice after being transmitted through the lifting handle cover and the top cover, making staple insertion easier.

Description

Technical Field

[0001] This invention relates to the field of stationery technology, and more particularly to a stapler. Background Technology

[0002] A stapler is a commonly used stationery item in work, daily life, and study, used to bind multiple pages of stacked paper. A stapler mainly consists of a handle cover, a top cover, a staple path assembly, and a base. The handle cover, top cover, and staple path assembly are all rotatably mounted on the base. The top cover is located between the handle cover and the base, and the staple path assembly is located between the top cover and the base. Pressing the handle cover causes the top cover to rotate, pressing against the staple path assembly and rotating it. The top cover also has an upper blade that presses against the staples in the staple path assembly, thus achieving the binding process.

[0003] Existing staplers can handle small amounts of paper well, but they struggle with larger stacks of paper. Summary of the Invention

[0004] The purpose of this invention is to provide a stapler that is easier to use and suitable for binding work with a large volume of paper.

[0005] To achieve the above objectives, the following technical solution is provided:

[0006] A stapler, comprising:

[0007] A base, wherein a first connection point, a second connection point, and a third connection point are provided on the base;

[0008] A lifting handle cover, the middle of which is rotatably connected to the first connection point, the lifting handle cover having a first end and a second end opposite to each other, the first end being the force-applying end, and the distance between the first connection point and the first end being greater than the distance between the first connection point and the second end;

[0009] The top cover is disposed between the lifting handle cover and the base. The middle part of the top cover is rotatably connected to the second connection point. The top cover has a third end and a fourth end opposite to each other. The third end is provided with an upper blade. The distance between the second connection point and the third end is less than the distance between the second connection point and the fourth end.

[0010] A nail path assembly is disposed between the upper cover and the base. The nail path assembly is rotatably connected to the third connection point. The nail path assembly has a fifth end and a sixth end that are opposite to each other. The fifth end corresponds to the third end and is provided with a nail outlet.

[0011] A rotating connector, the two ends of which are rotatably connected to the second end and the fourth end, respectively.

[0012] Optionally, the first connection point is closer to the rear end of the base than the second connection point, the rear end being the end of the base away from the fifth end of the nail channel assembly.

[0013] Optionally, the third connection point is closer to the rear end of the base than the first connection point.

[0014] Optionally, the base includes a base plate and two mounting plates, which are respectively disposed on both sides of the base plate. The mounting plates are provided with a first connection point, a second connection point and a third connection point. The first connection points on the two mounting plates are arranged opposite to each other, the second connection points on the two mounting plates are also arranged opposite to each other, and the third connection points on the two mounting plates are also arranged opposite to each other.

[0015] Optionally, the handle cover includes a handle cover plate and two first side plates, the two first side plates being disposed on both sides of the handle cover plate, the handle cover plate being opposite to the bottom plate, the two first side plates being disposed on both sides of the two mounting plates, and being rotatably connected to the first connection points on the corresponding mounting plates.

[0016] Optionally, the upper cover includes an upper cover plate and two second side plates, the two second side plates being disposed on both sides of the upper cover plate, the upper cover plate being opposite to the bottom plate, the two second side plates being disposed on both sides of the two mounting plates, and being rotatably connected to the second connection points on the corresponding mounting plates.

[0017] Optionally, the mounting plate includes a first mounting plate and a second mounting plate, the first mounting plate being connected to the base plate, and the second mounting plate being disposed on the upper side of the first mounting plate and located at the rear end of the second mounting plate;

[0018] The first connection point is located on the second mounting plate, and the second connection point is located at the front end of the first mounting plate.

[0019] Optionally, the upper cover plate is provided with a notch, which is used to avoid the second mounting plate.

[0020] Optionally, two rotating connectors are provided, which are respectively disposed on the outer sides of the two mounting plates and rotatably connected to the corresponding first side plate and second side plate.

[0021] Optionally, it also includes an elastic reset member, the two ends of which are respectively connected to the handle cover and the base. When the external force on the handle cover disappears, the elastic reset member resets the handle cover.

[0022] The beneficial effects of this invention are as follows:

[0023] The stapler provided by this invention, when needing to staple paper, involves pressing the force-applying end (i.e., the first end) of the lifting handle cover, causing the handle cover to rotate relative to the base around the first connection point. Simultaneously, the second end of the lifting handle cover, through a rotating connector, drives the upper cover to rotate, causing the upper cover to rotate relative to the base around the second connection point. The fourth end of the upper cover moves upward under the influence of the rotating connector, while the third end moves downward. The upper blade of the third end inserts into the fifth end of the staple path assembly. Simultaneously, during the rotation of the upper cover, it presses against the staple path assembly, causing the staple path assembly to rotate relative to the base around the third connection point. The fifth end of the staple path assembly, with its staple outlet, moves downward toward the base. The upper blade on the upper cover applies a downward force to the staples in the staple path assembly, causing the staples to exit from the staple outlet. The pressing force acting on the first end of the lifting handle cover is amplified twice after being transmitted through the lifting handle cover and the upper cover. Therefore, with the same staple-attaching force, the stapler requires less pressing force, is less strenuous to use, and provides a better user experience. Under the same pressing force, the stapler can staple thicker stacks of paper, making it suitable for binding large volumes of paper. Attached Figure Description

[0024] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0025] Figure 1 An isometric view of a stapler provided in an embodiment of the present invention;

[0026] Figure 2 A side view of a stapler provided in an embodiment of the present invention;

[0027] Figure 3 An isometric view of the base provided in an embodiment of the present invention;

[0028] Figure 4 This is an isometric view of the handle cover provided in an embodiment of the present invention;

[0029] Figure 5 This is an isometric view of the top cover provided in an embodiment of the present invention.

[0030] Figure label:

[0031] 1. Base; 11. Base plate; 12. Mounting plate; 121. First mounting plate; 122. Second mounting plate;

[0032] 121a, Second connection point; 121b, Third connection point; 122a, First connection point;

[0033] 2. Handle cover; 21. Handle cover plate; 22. First side plate; 23. First end; 24. Second end;

[0034] 3. Top cover; 31. Top cover plate; 311. Notch; 32. Second side plate; 33. Third end; 34. Fourth end;

[0035] 4. Nail track assembly; 41. Fifth end;

[0036] 5. Rotate the connecting parts;

[0037] 6. Attach the blade; 7. Nail the board. Detailed Implementation

[0038] To make the technical problems solved by the present invention, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0039] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The terms "first position" and "second position" refer to two different positions.

[0040] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections or detachable connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal connections between two components. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0041] like Figure 1 and Figure 2As shown, this embodiment provides a stapler, including a base 1, a lifting handle cover 2, an upper cover 3, a staple path assembly 4, and a rotating connector 5. The base 1 is provided with a first connection point 122a, a second connection point 121a, and a third connection point 121b. The middle portion of the lifting handle cover 2 is rotatably connected to the first connection point 122a. The lifting handle cover 2 has a first end 23 and a second end 24 opposite to each other. The first end 23 is the force-applying end. The distance between the first connection point 122a and the first end 23 is greater than the distance between the first connection point 122a and the second end 24. The upper cover 3 is disposed between the lifting handle cover 2 and the base 1. The middle portion of the upper cover 3 is rotatably connected to the second connection point 121a. The upper cover 3 has a third end 33 and a fourth end 34 opposite to each other. The third end 33 is provided with an upper blade 6. The distance between the second connection point 121a and the third end 33 is less than the distance between the second connection point 121a and the fourth end 34. The nail path assembly 4 is disposed between the upper cover 3 and the base 1, and is rotatably connected to the base 1. The nail path assembly 4 has a fifth end 41 and a sixth end, which correspond to the third end 33. The fifth end 41 is provided with a nail outlet. The two ends of the rotating connector 5 are rotatably connected to the second end 24 and the fourth end 34, respectively.

[0042] When binding paper, press the force-applying end (i.e., the first end 23) of the lifting handle 2. The lifting handle 2 rotates relative to the base 1 around the first connection point 122a, and the second end 24 of the lifting handle 2 rotates upward. At the same time, the second end 24 of the lifting handle 2 drives the upper cover 3 to rotate through the rotating connector 5, causing the upper cover 3 to rotate relative to the base 1 around the second connection point 121a. The fourth end 34 of the upper cover 3 moves upward under the drive of the rotating connector 5, while the third end 33 moves downward. The upper blade 6 of the third end 33 inserts into the fifth end 41 of the stapler assembly 4. Simultaneously, during the rotation of the upper cover 3, it presses against the stapler assembly 4, causing the stapler assembly 4 to rotate relative to the base 1 around the third connection point 121b. The fifth end 41 of the stapler assembly 4, which has a staple outlet, moves downward toward the base 1. The upper blade 6 on the upper cover 3 applies a downward force to the staples in the stapler assembly 4, causing the staples to exit from the staple outlet. The base 1 is provided with a staple plate 7 corresponding to the stapler assembly 4. The staple board 7 works in conjunction with the staple path assembly 4 to achieve binding.

[0043] In this embodiment, the lifting cover 2 is a first force-saving lever that can rotate around the first connection point 122a, and the upper cover 3 is a second force-saving lever that can rotate around the second connection point 121a, thus making nailing easier. Specifically, the pressing force applied to the first end 23 of the lifting cover 2 is defined as the first force F1, and the force exerted by the second end 24 of the lifting cover 2 on the rotating connector 5 is defined as the second force F2 (according to the principle of action and reaction, F2 is equal to the force exerted by the rotating connector 5 on the second end 24 of the lifting cover 2). The distance from the first connection point 122a to the first end 23 is defined as L1, and the distance from the first connection point 122a to the second end 24 is defined as L2. According to the lever principle, F1 × L1 = F2 × L2. Since L2 is less than L1, F2 is greater than F1. That is to say, the pressing force applied to the first end 23 of the lifting cover 2 is amplified by the first force-saving lever of the lifting cover 2. Furthermore, let's define the force exerted by the third end 33 of the upper cover 3 on the nail in the nail path assembly 4 via the upper blade 6 as the third force F3, and the force exerted by the rotating connector 5 on the fourth end 34 of the upper cover 3 as the fourth force F4. Let's define the distance from the second connection point 121a to the third end 33 as L3, and the distance from the second connection point 121a to the fourth end 34 as L4. According to the lever principle, F3 × L3 = F4 × L4. Since L3 is less than L4, F3 is greater than F4. That is to say, the force exerted by the rotating connector 5 on the fourth end 34 of the upper cover 3 is amplified by the upper cover 3 as the second force-saving lever. It can be understood that the fourth force F4 is positively correlated with the second force F2. Based on this, it can be known that the pressing force (i.e., the first force F1) acting on the first end 23 of the lifting handle cover 2 is amplified twice after being transmitted through the lifting handle cover 2 and the upper cover 3. Therefore, with the nailing force (i.e., the fourth force F4) remaining unchanged, the stapler of this embodiment requires less pressing force, is less strenuous to use, and provides a better user experience; in addition, under the same pressing force, the stapler of this embodiment can staple thicker stacks of paper.

[0044] Optionally, the first connection point 122a is closer to the rear end of the base 1 than the second connection point 121a, with the rear end being the end of the base 1 furthest from the fifth end 41 of the stapler assembly 4. Thus, when the length of the rotating connector 5 is relatively small, the distance L2 from the first connection point 122a to the second end 24 is less than the distance L4 from the second connection point 121a to the fourth end 34, ensuring that the overall length of the handle cover 2 is not too long, thereby preventing the overall size of the stapler from becoming too large. Specifically, since L1 is greater than L2 and L4 is greater than L3, if L2 is greater than L4, the length of the handle cover 2 will be greater than twice L4, while the length of the top cover 3 will be less than twice L4, resulting in the handle cover 2 being significantly longer than the top cover 3, thus making the overall size of the stapler larger.

[0045] Optionally, the third connection point 121b is closer to the rear end of the base 1 than the first connection point 122a. The fact that the third connection point 121b is closer to the rear end of the base 1 than the first connection point 122a and the second connection point 121a allows the nail path assembly 4 to be longer and to accommodate more nails.

[0046] Optionally, see Figure 3 The base 1 includes a base plate 11 and two mounting plates 12, which are respectively disposed on both sides of the base plate 11. Each mounting plate 12 has a first connection point 122a, a second connection point 121a, and a third connection point 121b. The first connection points 122a, second connection points 121a, and third connection points 121b on the two mounting plates 12 are positioned opposite each other. The two mounting plates 12 are spaced apart, and the lifting cover 2 is rotatably connected to both mounting plates 12, making the rotation of the lifting cover 2 smoother. Similarly, the upper cover 3 and the staple assembly 4 also exhibit high rotational smoothness, ensuring binding accuracy.

[0047] Optionally, see Figure 4 The handle cover 2 includes a handle cover plate 21 and two first side plates 22. The two first side plates 22 are respectively disposed on both sides of the handle cover plate 21. The handle cover plate 21 is opposite to the base plate 11. The two first side plates 22 are respectively disposed on both sides of two mounting plates 12 and are rotatably connected to the first connection point 122a on the corresponding mounting plate 12. The two first side plates 22 are rotatably connected to the corresponding mounting plates 12, making the rotation of the handle cover 2 smoother. For example, the stapler also includes a first rotating shaft, and the first side plates 22 and the first connection point 122a are rotatably connected through the first rotating shaft.

[0048] Optionally, see Figure 5 The upper cover 3 includes an upper cover plate 31 and two second side plates 32. The two second side plates 32 are respectively disposed on both sides of the upper cover plate 31, which is opposite to the base plate 11. The two second side plates 32 are respectively disposed on both sides of two mounting plates 12 and are rotatably connected to the second connection points 121a on the corresponding mounting plates 12. The two second side plates 32 are rotatably connected to the corresponding mounting plates 12, making the rotation of the upper cover 3 smoother. During the rotation of the upper cover 3, the upper cover plate 31 presses against the staple path assembly 4, thereby driving the staple path assembly 4 to rotate relative to the base 1. Exemplarily, the stapler also includes a second rotating shaft, through which the second side plates 32 and the second connection points 121a are rotatably connected.

[0049] Further, optionally, see again Figure 3The mounting plate 12 includes a first mounting plate 121 and a second mounting plate 122. The first mounting plate 121 is connected to the base plate 11, and the second mounting plate 122 is disposed on the upper side of the first mounting plate 121 and located at the rear end of the second mounting plate 122. A first connection point 122a is disposed on the second mounting plate 122, and a second connection point 121a is disposed at the front end of the first mounting plate 121. The first connection point 122a is closer to the rear end of the base 1 than the second connection point 121a, and the first connection point 122a is higher than the second connection point 121a to avoid interference between the lifting cover 2 and the upper cover 3. The aforementioned third connection point 121b is disposed at the rear end of the first mounting plate 121. The stapler assembly 4 is located between the two first mounting plates 121. Exemplarily, the stapler also includes a third rotating shaft, through which the stapler assembly 4 and the third connection point 121b are rotatably connected.

[0050] Optionally, the upper cover plate 31 is provided with a notch 311, which is used to avoid the second mounting plate 122 and prevent the upper cover 3 from interfering with the second mounting plate 122 when it rotates.

[0051] Optionally, two rotating connectors 5 are provided. The two rotating connectors 5 are respectively located on the outer side of the two mounting plates 12 and are rotatably connected to the corresponding first side plate 22 and second side plate 32, so that the transmission between the lifting cover 2 and the top cover 3 is smoother and the user has a better feel.

[0052] Optionally, the stapler also includes a resilient reset member, with its two ends connected to the handle cover 2 and the base 1, respectively. When the force applied to the force-applying end of the handle cover 2 disappears, the resilient reset member uses its own elastic force to reset the handle cover 2, the upper cover 3 connected to the handle cover 2, and the staple path assembly 4. Exemplarily, the resilient reset member is a spring.

[0053] For example, the stapler also includes a fourth shaft and a fifth shaft. The rotating connector 5 and the lifting cover 2 are rotatably connected via the fourth shaft. The rotating connector 5 and the upper cover 3 are rotatably connected via the fifth shaft.

[0054] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A stapler, characterized in that, include: The base (1) is provided with a first connection point (122a), a second connection point (121a) and a third connection point (121b). A lifting cover (2) is rotatably connected to the first connection point (122a) at its middle part. The lifting cover (2) has a first end (23) and a second end (24) opposite to each other. The first end (23) is the force-applying end. The distance between the first connection point (122a) and the first end (23) is greater than the distance between the first connection point (122a) and the second end (24). The upper cover (3) is disposed between the lifting cover (2) and the base (1). The middle part of the upper cover (3) is rotatably connected to the second connection point (121a). The upper cover (3) has a third end (33) and a fourth end (34) opposite to each other. The third end (33) is provided with an upper blade (6). The distance between the second connection point (121a) and the third end (33) is less than the distance between the second connection point (121a) and the fourth end (34). The nail path assembly (4) is disposed between the upper cover (3) and the base (1). The nail path assembly (4) is rotatably connected to the third connection point (121b). The nail path assembly (4) has a fifth end (41) and a sixth end, the fifth end (41) corresponding to the third end (33). The fifth end (41) is provided with a nail outlet. Rotary connector (5), the two ends of which are rotatably connected to the second end (24) and the fourth end (34) respectively. The lifting cover (2) is a first force-saving lever that rotates around the first connection point (122a), and the upper cover is a second force-saving lever that rotates around the second connection point (121a). The lifting cover and the upper cover are directly connected through the rotating connector (5) to achieve double amplification of the pressing force. The base (1) includes a base plate (11) and two mounting plates (12). The two mounting plates (12) are respectively disposed on both sides of the base plate (11). The mounting plates (12) are provided with a first connection point (122a), a second connection point (121a) and a third connection point (121b). The first connection points (122a) on the two mounting plates (12) are arranged opposite to each other, the second connection points (121a) on the two mounting plates (12) are also arranged opposite to each other, and the third connection points (121b) on the two mounting plates (12) are also arranged opposite to each other. The lifting cover (2) includes a lifting cover plate (21) and two first side plates (22), the two first side plates (22) being disposed on both sides of the lifting cover plate (21); the upper cover (3) includes an upper cover plate (31) and two second side plates (32), the two second side plates (32) being disposed on both sides of the upper cover plate (31); Two rotating connectors (5) are provided, and the two rotating connectors (5) are respectively located on the outside of the two mounting plates (12) and are rotatably connected to the corresponding first side plate (22) and second side plate (32).

2. The stapler according to claim 1, characterized in that, The first connection point (122a) is closer to the rear end of the base (1) than the second connection point (121a), the rear end being the end of the base (1) away from the fifth end (41) of the nail assembly (4).

3. The stapler according to claim 2, characterized in that, The third connection point (121b) is closer to the rear end of the base (1) than the first connection point (122a).

4. The stapler according to claim 1, characterized in that, The handle cover (21) is opposite to the base plate (11), and the two first side plates (22) are respectively disposed on both sides of the two mounting plates (12) and are rotatably connected to the first connection point (122a) on the corresponding mounting plate (12).

5. The stapler according to claim 4, characterized in that, The upper cover plate (31) is opposite to the bottom plate (11), and the two second side plates (32) are respectively disposed on both sides of the two mounting plates (12) and are rotatably connected to the second connection point (121a) on the corresponding mounting plate (12).

6. The stapler according to claim 5, characterized in that, The mounting plate (12) includes a first mounting plate (121) and a second mounting plate (122). The first mounting plate (121) is connected to the base plate (11). The second mounting plate (122) is disposed on the upper side of the first mounting plate (121) and located at the rear end of the second mounting plate (122). The first connection point (122a) is disposed on the second mounting plate (122), and the second connection point (121a) is disposed at the front end of the first mounting plate (121).

7. The stapler according to claim 6, characterized in that, The upper cover plate (31) is provided with a notch (311) for avoiding the second mounting plate (122).

8. The stapler according to any one of claims 1-7, characterized in that, It also includes an elastic reset member, the two ends of which are connected to the lifting cover (2) and the base (1) respectively. When the external force on the lifting cover (2) disappears, the elastic reset member resets the lifting cover (2).

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