阅读说明：本技术 多种针型安全订书机 (Safety stapler with multiple needle types ) 是由 张清扬 张伟 于 2020-07-08 设计创作，主要内容包括：本发明提供了一种多种针型安全订书机,包括按压板、支座架、底座、第一转轴、旋转针盘、压针片、第二转轴以及折弯板；所述按压板的一端、支座架的一端通过第一转轴转动连接底座的一端,按压板的另一端连接有压针片,支座架的另一端通过第二转轴连接旋转针盘,旋转针盘能够绕第二转轴旋转,旋转针盘上设置有一个或多个针槽,一个针槽内放置一种针型的订书针,底座的另一端上设置有折弯板。本发明结构简单合理,通过在支座架上设置旋转针盘,旋转针盘上设置多个针槽,不同的针槽内放置不同针型的订书针,使得一个订书机上集成多种订书针,适应于不同文件厚度的装订。(The invention provides a safe stapler with multiple needle types, which comprises a pressing plate, a supporting seat frame, a base, a first rotating shaft, a rotary needle dial, a needle pressing sheet, a second rotating shaft and a bending plate, wherein the pressing plate is arranged on the base; one end of the pressing plate and one end of the supporting seat frame are rotatably connected with one end of the base through a first rotating shaft, the other end of the pressing plate is connected with the pressing sheet, the other end of the supporting seat frame is connected with the rotary dial through a second rotating shaft, the rotary dial can rotate around the second rotating shaft, one or more needle grooves are formed in the rotary dial, a needle type staple is placed in one needle groove, and the other end of the base is provided with a bending plate. The invention has simple and reasonable structure, and the rotary needle disk is arranged on the support frame, the rotary needle disk is provided with a plurality of needle grooves, and the staples with different needle types are placed in different needle grooves, so that a plurality of staples are integrated on one stapler, and the invention is suitable for the stapling of different file thicknesses.)

1. A safe stapler with multiple needle types is characterized by comprising a pressing plate (1), a supporting seat frame (2), a base (3), a first rotating shaft (4), a rotary needle dial (5), a needle pressing sheet (6), a second rotating shaft (7) and a bending plate (8);

the one end of pressing board (1), the one end of pedestal frame (2) is rotated through first pivot (4) and is connected the one end of base (3), press the other end of pressing board (1) and be connected with and have a needle piece (6), the other end of pedestal frame (2) is through second pivot (7) connection rotary needle dish (5), rotary needle dish (5) can be rotatory around second pivot (7), be provided with one or more needle groove on rotary needle dish (5), the staple of a needle type is placed to a needle inslot, be provided with board (8) of bending on the other end of base (3).

2. A safety stapler with multiple staple types according to claim 1, characterised in that the centre of the rotary dial (5) is connected to the second shaft (7) and the staple slots are arranged in a direction radiating outwards from the centre of the rotary dial (5).

3. The multiple-needle safety stapler according to claim 1, wherein the needle slot is provided with a guide rail, a needle, and a needle slot spring;

the guide rail sets up on the both sides wall of needle groove, and the thimble sets up in the guide rail, and the one end of needle groove spring is connected to the thimble, and the one end in needle groove is connected to the other end of needle groove spring, and the thimble can slide in the guide rail under the effect of needle groove spring, and the position between the other end of thimble and needle groove is used for holding the staple, and the other end bottom in needle groove is provided with out the pinhole.

4. A multiple needle safety stapler according to claim 3, characterised in that the end of the slot having the needle outlet is arranged close to the second pivot (7).

5. A safety stapler with multiple needle types according to claim 1, characterized in that a first stop means is provided at the position corresponding to each needle slot on the rotary needle dial (5), and a second stop means is provided on the support frame (2), the first stop means being capable of interacting with the second stop means to stop the needle slot.

6. The multiple-needle safety stapler according to claim 5, wherein the first limiting device comprises a limiting spring and a ball, a mounting hole is arranged at the bottom of the rotary needle disc (5) near the needle slot, the limiting spring is arranged in the mounting hole, one end of the limiting spring is connected with the bottom of the mounting hole, and the other end of the limiting spring is connected with the ball;

the second limiting device comprises a limiting groove, and the limiting groove can interact with the ball;

the first limiting device comprises a contraction state and an extension state;

in a contracted state, the ball bearings and the support frame (2) interact, the limiting spring is compressed, and the whole or part of the ball bearings are positioned in the mounting hole;

in the extending state, the ball and the limiting groove interact, the limiting spring extends, and the ball is partially positioned in the mounting hole and partially positioned in the limiting groove.

7. The multiple-needle safety stapler of claim 6, wherein the diameter of the mounting hole is equal to the diameter of the ball; the spacing groove is hemispherical with ball assorted, and hemispherical diameter equals the ball diameter.

8. The safety stapler with multiple needle types according to claim 1, wherein the bending plate (8) is provided with two stitch pressing grooves (9), and the two stitch pressing grooves (9) are arranged in bilateral symmetry.

9. The safety stapler with multiple staple types according to claim 8, wherein the angle between the tangent plane of the end of the staple pressing groove (9) close to each other and the plane of the bending plate (8) is 25-40 degrees.

10. The safety stapler with multiple needle types according to claim 8, wherein one end of the stitch pressing groove (9) close to each other is provided with a chamfer, and the center of the chamfer is positioned above or below the plane of the bending plate (8);

when the circle center of the chamfer is positioned above the plane of the bending plate (8), the included angle between the tangent line of the arc line at the tail end of the chamfer and the plane of the bending plate (8) at one side of the pin pressing groove (9) where the chamfer is positioned is 80-90 degrees;

when the circle center of the chamfer is positioned below the plane of the bending plate (8), the included angle between the tangent line of the arc line at the tail end of the chamfer and the plane of the bending plate (8) on one side of the pin pressing groove (9) where the chamfer is positioned is an acute angle.

Technical Field

The invention relates to the field of office supplies manufacturing, in particular to a safe stapler with multiple needle types.

Background

A stapler, as a document binding tool, is a very common office stationery product, and is often used in real work and study.

The traditional stapler has two major disadvantages, namely, the adaptability of a needle slot with a single specification to the thickness of a file is poor, staples with different specifications are required to be replaced manually frequently, the operation is labor-consuming, the processes are multiple, a plurality of staplers with different specifications are purchased, the office cost is increased, and the occupied space is occupied; and the opening of the staple is turned outwards when the document is thick, and the hand is often scratched when the document is taken. Therefore, it is very necessary to provide a new technical solution to solve these problems.

Patent document No. CN208914033U discloses a stapler, which comprises a base, a pressing handle, a staple channel, a staple storage groove and a transparent cover, wherein one end of the pressing handle is hinged with the base, and the other end of the pressing handle is a free end; the nail channel is positioned between the base and the pressing handle, one end of the nail channel is hinged with the base, the other end of the nail channel is a free end, and the nail channel is used for placing staples; the staple storage groove is arranged on the surface of the pressing handle, which is far away from the base, and is used for storing staples; and the transparent cover is used for shielding or opening the nail storage groove. The stapler disclosed in this patent document can increase the amount of storage of staples, but has only one type of staple, and is poorly adapted to the thickness of a document.

Disclosure of Invention

In view of the deficiencies in the prior art, it is an object of the present invention to provide a multiple needle safety stapler.

The invention provides a safe stapler with multiple needle types, which comprises a pressing plate, a supporting seat frame, a base, a first rotating shaft, a rotary needle dial, a needle pressing sheet, a second rotating shaft and a bending plate, wherein the pressing plate is arranged on the base;

one end of the pressing plate and one end of the supporting seat frame are rotatably connected with one end of the base through a first rotating shaft, the other end of the pressing plate is connected with the pressing sheet, the other end of the supporting seat frame is connected with the rotary dial through a second rotating shaft, the rotary dial can rotate around the second rotating shaft, one or more needle grooves are formed in the rotary dial, a needle type staple is placed in one needle groove, and the other end of the base is provided with a bending plate.

Preferably, the center of the rotary dial is connected with the second rotating shaft, and the needle grooves are arranged along the direction of radiating outwards from the center of the rotary dial.

Preferably, the needle groove is provided with a guide rail, a thimble and a needle groove spring;

the guide rail sets up on the both sides wall of needle groove, and the thimble sets up in the guide rail, and the one end of needle groove spring is connected to the thimble, and the one end in needle groove is connected to the other end of needle groove spring, and the thimble can slide in the guide rail under the effect of needle groove spring, and the position between the other end of thimble and needle groove is used for holding the staple, and the other end bottom in needle groove is provided with out the pinhole.

Preferably, one end of the needle groove with the needle outlet hole is arranged close to the second rotating shaft.

Preferably, a first limiting device is arranged at a position corresponding to each needle groove on the rotary dial, a second limiting device is arranged on the support frame, and the first limiting device and the second limiting device can interact to realize needle groove limiting.

Preferably, the first limiting device comprises a limiting spring and a ball, a mounting hole is formed in the position, close to the needle groove, of the bottom of the rotary dial, the limiting spring is arranged in the mounting hole, one end of the limiting spring is connected with the bottom of the mounting hole, and the other end of the limiting spring is connected with the ball;

the second limiting device comprises a limiting groove, and the limiting groove can interact with the ball;

the first limiting device comprises a contraction state and an extension state;

in a contracted state, the ball bearings and the support frame interact, the limiting spring is compressed, and the ball bearings are wholly or partially positioned in the mounting holes;

in the extending state, the ball and the limiting groove interact, the limiting spring extends, and the ball is partially positioned in the mounting hole and partially positioned in the limiting groove.

Preferably, the diameter of the mounting hole is equal to the diameter of the ball; the spacing groove is hemispherical with ball assorted, and hemispherical diameter equals the ball diameter.

Preferably, the bending plate is provided with two pin pressing grooves, and the two pin pressing grooves are arranged in a bilateral symmetry mode.

Preferably, the included angle between the tangent plane of the end of the stitch pressing groove close to each other and the plane of the bending plate is 25-40 degrees.

Preferably, a chamfer is arranged at one end of each stitch pressing groove, which is close to each other, and the circle center of each chamfer is positioned above or below the plane of the bending plate;

when the circle center of the chamfer is positioned above the plane of the bending plate, the included angle between the tangent of the arc line at the tail end of the chamfer and the upper part of the plane of the bending plate at one side of the pin pressing groove where the chamfer is positioned is 80-90 degrees;

when the circle center of the chamfer is positioned below the plane of the bending plate, the included angle between the tangent line of the arc line at the tail end of the chamfer and the plane of the bending plate on one side of the pin pressing groove where the chamfer is positioned is an acute angle.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention has simple and reasonable structure, and the rotary needle disk is arranged on the support frame, the rotary needle disk is provided with a plurality of needle grooves, and the staples with different needle types are placed in different needle grooves, so that a plurality of staples are integrated on one stapler, and the invention is suitable for the stapling of different file thicknesses.

2. According to the invention, the position of the needle groove is relatively fixed after the needle groove is rotated to the position by arranging the limiting device, so that the influence of the rotation of the rotary dial on normal binding during binding is avoided.

3. According to the invention, the included angle between the inner side of the pin pressing groove and the plane of the bending plate is set to be 25-40 degrees, namely the inward-turning cone angle of the pin pressing groove is set to be 25-40 degrees, so that a staple can be pressed more tightly, the outward-turning phenomenon of the staple opening is effectively reduced, the condition that the hand is scratched by the pin is avoided, and the use safety is improved.

4. According to the invention, the chamfer is arranged at the tail end of the stitch pressing groove, so that the needle point can be effectively embedded into the file after being bound, the outward turning of the opening of the needle point is avoided, the finger is prevented from being scratched, and the binding safety is effectively improved.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic view of the pressing plate and the base of the present invention.

FIG. 3 is a cross-sectional view of a stitch hold down slot of the present invention.

The figures show that:

pressing plate 1 first rotating shaft 4 second rotating shaft 7

Support frame 2 rotary dial 5 bending plate 8

Base 3 needle pressing sheet 6 stitch pressing groove 9

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The invention discloses a safe stapler with multiple needle types, which mainly comprises a pressing plate 1, a supporting seat frame 2, a base 3, a first rotating shaft 4, a rotating needle dial 5, a needle pressing sheet 6, a second rotating shaft 7 and a bending plate 8. The pressing plate 1, the supporting frame 2 and the base 3 are rotatably connected through a first rotating shaft 4. At the end of the pressing plate 1 there is a projecting strip as a presser finger 6 for pressing the staple. The rotary needle disk 5 is positioned at the front end of the support frame 2, can be designed into a square shape or a circular shape, and is rotationally connected with the support frame 2 through a second rotating shaft 7, two to four needle grooves can be designed on the rotary needle disk 5, and each needle groove is respectively provided with staples with different length specifications. In the needle groove, the staple is fixed through the guide rail, the thimble and the needle groove spring. When the files with different thicknesses need to be bound, the rotary dial 5 only needs to be rotated to the corresponding position, and then the binding can be carried out. Therefore, compared with the prior art, the invention can adapt to the binding of files with various thicknesses and has stronger adaptability. In addition, the base is kept away from the one end of pivot and is installed the board 8 of bending, and the stitch compresses tightly groove 9 has been seted up to the board 8 up end of bending, compares prior art, and stitch compresses tightly groove 9 has increased enstrophe tapering and terminal chamfer design to properly shorten the horizontal stroke of stitch, in order to guarantee to bind the back needle point and imbed the file effectively, thereby avoid lacerating the hand phenomenon to appear, improved the security of binding the effect greatly.

According to the safe stapler with multiple needle types, as shown in fig. 1-2, the safe stapler comprises a pressing plate 1, a support frame 2, a base 3, a first rotating shaft 4, a rotary needle dial 5, a needle pressing sheet 6, a second rotating shaft 7 and a bending plate 8; the one end of pressing board 1, the one end of pedestal frame 2 rotate the one end of connecting base 3 through first pivot 4, press the other end of pressing board 1 to be connected with and have a needle holder 6, the other end of pedestal frame 2 passes through second pivot 7 and connects rotatory dial 5, rotatory dial 5 can be rotatory around second pivot 7, be provided with one or more needle groove on the rotatory dial 5, the staple of a needle type is placed to a needle inslot, be provided with the board of bending 8 on the other end of base 3.

As shown in fig. 1, the center of the rotary dial 5 is connected to the second shaft 7, and the needle grooves are arranged along the direction of the center of the rotary dial 5 radiating outward. The needle groove is provided with a guide rail, a thimble and a needle groove spring; the guide rail sets up on the both sides wall of needle groove, and the thimble sets up in the guide rail, and the one end of needle groove spring is connected to the thimble, and the one end in needle groove is connected to the other end of needle groove spring, and the thimble can slide in the guide rail under the effect of needle groove spring, and the position between the other end of thimble and needle groove is used for holding the staple, and the other end bottom in needle groove is provided with out the pinhole. The end of the needle groove with the needle outlet hole is arranged close to the second rotating shaft 7.

In one embodiment, the rotary dial 5 is provided with four needle grooves, each needle groove is used for placing staples with different length specifications, and can be suitable for binding of multiple file thicknesses, the rotary dial 5 is circular, the four needle grooves are radially arranged along the rotary dial 5 and evenly distributed on the rotary dial 5, one side of each needle groove with a needle outlet is arranged close to the center of the rotary dial 5, namely one end of each needle groove with the needle outlet is close to the second rotating shaft 7, replacement of the staples can be realized through the rotary dial, preferably, the distance between the second rotating shaft 7 and one end of each needle groove with the needle outlet is 7mm, and the distance can be finely adjusted by 20% up and down according to needs. In one variant, the rotary dial 5 is square. Preferably, the four needle grooves have different depths, so that erroneous placement of staples having different lengths is prevented. Preferably, the needle groove spring is mainly nested in the guide rail, the front end of the needle groove spring is connected with the thimble and has certain rigidity, and the whole process is in a pressing and rotating state, so that the normal installation of the staple is ensured.

The needle slot limiting device is characterized in that a first limiting device is arranged at the position, corresponding to each needle slot, on the rotary dial 5, a second limiting device is arranged on the supporting seat frame 2, and the first limiting device can interact with the second limiting device to limit the needle slots. The first limiting device comprises a limiting spring and a ball, a mounting hole is formed in the position, close to the needle groove, of the bottom of the rotary dial 5, the limiting spring is arranged in the mounting hole, one end of the limiting spring is connected with the bottom of the mounting hole, and the other end of the limiting spring is connected with the ball; the second limiting device comprises a limiting groove, and the limiting groove can interact with the ball; the first limiting device comprises a contraction state and an extension state; in a contracted state, the ball bearings interact with the support frame 2, the limiting spring is compressed, and the whole or part of the ball bearings are positioned in the mounting holes; in the extending state, the ball and the limiting groove interact, the limiting spring extends, and the ball is partially positioned in the mounting hole and partially positioned in the limiting groove. The diameter of the mounting hole is equal to that of the ball; the spacing groove is hemispherical with ball assorted, and hemispherical diameter equals the ball diameter.

First stop device sets up with the needle groove one-to-one, sets up a spacing groove on the pedestal frame 2, first stop device adopts ball + spacing spring's setting, and when the needle groove rotated to corresponding position on rotatory dial 5, the length direction in needle groove was parallel with 1 length direction according to the clamp plate this moment, goes out the pinhole, stitch compresses tightly the motion route that groove 9 was located the tucking piece, and the spacing spring extension on ball upper portion pushes up the ball spacing inslot and plays limiting displacement, and rotatory dial 5 that leads to the needle groove position to rock when preventing to bind and influence normal binding. When the needle groove needs to be replaced, the rotating dial 5 is rotated, the rotating torque enables the ball to gradually break away from the limiting groove and return to the mounting hole, and at the moment, the limiting is released, and a new needle groove is waited to rotate to the corresponding position.

As shown in fig. 2-3, two stitch pressing grooves 9 are formed in the bending plate 8, and the two stitch pressing grooves 9 are arranged in bilateral symmetry. The included angle between the tangent plane of the end of the stitch pressing groove 9 close to each other and the plane of the bending plate 8 is 25-40 degrees, preferably, as shown in fig. 3, the included angle is 30 degrees. A chamfer is arranged at one end of the pin pressing groove 9 close to each other, and the circle center of the chamfer is positioned above or below the plane of the bending plate 8; when the center of the chamfer is located above the plane of the bending plate 8, as shown in a2 in fig. 3, an included angle between a tangent of an arc line at the tail end of the chamfer and the plane of the bending plate 8 on the side of the pin pressing groove 9 where the chamfer is located is 80-90 degrees, preferably, the included angle is 90 degrees; when the center of the chamfer is located below the plane of the bending plate 8, as shown in a1 in fig. 3, the included angle between the tangent of the arc line at the tail end of the chamfer and the plane of the bending plate 8 on the side of the pin pressing groove 9 where the chamfer is located is an acute angle. The chamfer dimension in fig. 3 can be taken as a reference, and the actual numerical parameters can be adjusted according to the overall dimension. Compared with the prior art, the stitch pressing groove 9 increases the inward-turning taper and the tail end chamfer design, and properly shortens the horizontal stroke of the stitch to ensure that the needle point is effectively embedded into the file after binding, thereby avoiding the phenomenon of scratching the hand and greatly improving the safety of the binding effect.

The distances from the needle pressing sheet on the pressing plate 1, the needle outlet hole of the needle groove on the support frame 2 and the pin pressing groove 9 on the bending plate 8 to the first rotating shaft 4 are equal, namely, the needle outlet hole and the pin pressing groove 9 are positioned on the motion path of the needle pressing sheet, the needle pressing sheet 6 presses a staple in the needle groove into a document, and the pin pressing groove 9 presses the staple pins of the document, so that the document is bound.

The multi-needle type safe stapler provided by the invention is characterized in that the head part of the stapler is provided with the rotary needle disk 5 internally provided with a plurality of needle grooves, and the staples with different length specifications are respectively configured, so that the binding requirements of files with different thicknesses are met, the problem that the adaptability of a single needle groove to the thickness of the file is poor is solved, the complicated operation of frequently replacing the staple due to the change of the thickness of the file is reduced, the binding efficiency is improved, meanwhile, the phenomenon that the opening of the staple is outwards turned is effectively reduced, and the improvement of the safety of the binding effect is facilitated. In addition, the invention adds the inward turning taper design and the tail end chamfer design of the base pin pressing groove 9, and properly shortens the stroke of the pin to ensure that the needle point is effectively embedded into the file after being bound, so as to avoid the outward turning of the opening of the needle point, prevent the needle point from scratching fingers and effectively improve the safety of the binding effect. Therefore, compared with the prior art, the method has better adaptability to the thickness of the file and higher use safety of the binding effect.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.