CN218254979U - Flat nail stapler - Google Patents

Abstract

The utility model discloses a flat nail stapler, including apex angle bending mechanism, a pedestal, gland and nail box, this scheme changes the cooperation relation of bellying and nail board upper groove through back-and-forth movement slide, if under initial condition, the bellying is located between recess and the bellying, at slide and bellying cooperation restriction nail board and remove towards the base, under the operating condition, when pressing promptly, push rod butt promotion portion makes the slide move back, the bellying corresponds with the recess, the spacing of nail board is relieved, the nail board moves down and makes roof and flat nail mouth internal curvature nail plate form the cooperation on the base, this in-process bellying stretches into the recess, bind and accomplish the back, the elastic component slide that resets. The whole structure is simplified, the assembly is convenient, and the cost is reduced.

Description

Flat nail stapler

Technical Field

The utility model relates to a binding means technical field, concretely relates to flat nail stapler.

Background

The stapler is a common tool for working or learning, is commonly a bent-nail stapler, and the nail feet are arc-shaped corners, so that the effective length of bound paper is shortened, the quantity of the paper which can be bound is small, and the bent bulges of the nail feet occupy a part of space after the paper is bound. To the above disadvantages, flat nail staplers appear on the market, such as a novel flat nail stapler released by the three wood control group company limited, a nail plate is added between a common nail box and a base, a flat nail hole is arranged at a position of the nail plate corresponding to the nail hole, a bent nail plate is arranged in the flat nail hole, a top plate is arranged on the base below the flat nail hole, a sliding plate is arranged in the base, a push rod matched with the sliding plate is arranged on a gland above the nail box, the sliding plate is moved by the push rod in the process of pressing down the gland, and then the flat nail is completed by adjusting the matching of the nail plate and the base.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one technical defect, the utility model provides a following technical scheme:

the application document discloses a flat nail stapler which comprises a top angle bending mechanism, a base, a pressing cover and a nail box, wherein the base and the pressing cover are hinged at the end part, and the nail box is arranged between the base and the pressing cover; the top corner bending mechanism comprises a nail plate, a top plate and a bent nail plate, the nail plate which swings up and down relative to the base is arranged between the base and the nail box, the bent nail plate is arranged in a flat nail mouth formed in the end part of the nail plate, and the top plate is arranged on the base below the flat nail mouth in a matched mode; the pressing cover is hinged with a push rod, the base is provided with a sliding plate which slides along an axis, the sliding plate is provided with a pushing part which is matched with the push rod, the surface of the base facing the nail plate is provided with a convex part, the position of the surface of the nail plate, which corresponds to the convex part, is provided with a groove, and the base is provided with an elastic part for resetting the sliding plate; in an initial state, the head end of the sliding plate is positioned between the groove and the bulge; under the operating condition, the gland moves towards the base, the push rod abuts against the pushing part on the sliding plate and synchronously pushes the sliding plate to move backwards, and the protruding part is arranged in the groove.

This scheme changes the cooperation relation of bellying and nail board upper groove through back-and-forth movement slide, if under initial condition, the bellying is located between recess and the bellying, at slide and the removal of bellying cooperation restriction nail board towards the base, under the operating condition, when pressing promptly, push rod butt promotion portion makes the slide move backward, the bellying corresponds with the recess, the spacing of nail board is relieved, the nail board moves down and makes roof and flat nail mouth internal bend nail board form the cooperation on the base, this in-process bellying stretches into the recess, bind the completion back, the elastic component slide that resets. The whole structure is simplified, the assembly is convenient, and the cost is reduced.

Furthermore, the relative positions of the two sides of the tail end of the sliding plate are vertically provided with a first plate body, the first plate body is used as a pushing portion, push rods are correspondingly arranged on a gland above the first plate body, a pushing frame is fixedly formed between the push rods through a connecting plate, and the two side faces of the tail end of the sliding plate move along sliding grooves formed in the wall of the base cavity. For the formation of the pushing part, the first vertical fixed plate body used at the tail end of the sliding plate is selected to form the pushing part, and the first plate body and the sliding plate can be integrally formed. The push rod is fixed by the connecting plate to form a push frame, and the two points are connected with the push part in an abutting mode, so that the running stability is improved. The slide tail end moves along the spout, makes things convenient for and has the clearance between slide and the base diapire to make the head end of slide remove to the top of bellying on the diapire.

Preferably, the upper portion of push rod transversely sets up the connecting rod, connect with the connecting plate between the connecting rod, the connecting plate is located the gland intracavity of nail box top, and two push rods are located nail box both sides respectively and the head end of push rod sets up draw-in groove one, set up the projection on the corresponding gland intracavity wall, and the position that the projection stretches into in draw-in groove one and forms articulated and the projection is located the front upper place of promotion portion. The structure of the fixed connection plate between the connecting rods on the push rods is stable in structure, convenient to arrange and capable of enabling the two push rods to act synchronously. In the initial state, the connecting plate is abutted against the nail box, and the push rod is arranged at a preset position. During operation, the gland synchronously drives the push rod to move downwards, and the push rod is abutted to the pushing portion. Under the spacing of connecting plate, the dead weight down the position that the push rod removed is fixed.

Furthermore, the elastic piece is a spring plate, the head end of the spring plate is fixed on the base below the sliding plate, the tail end of the spring plate is positioned behind the sliding plate and connected with the nail plate above the sliding plate, and the spring plate corresponding to the rear of the sliding plate is curled into an upward convex arc shape. The spring plate is used for promoting the sliding plate to reset, and the sliding plate is simple and convenient. Optionally, the rear part of the sliding plate corresponding to the elastic sheet is hemispherical arc-shaped, so that the elasticity is improved.

Preferably, the head end of the elastic sheet is clamped and fixed on the wall of the base cavity, and the tail end of the elastic sheet extends into a groove formed in the bottom surface of the nail plate, so that the installation is more convenient.

Preferably, the nail board includes upper portion and trough-shaped lower part, the notch department in the lower part is fixed on upper portion, and lower part tail end department both sides slot jade is upwards extended and is formed plate body one, the head end position of upper portion, lower part all sets up the through-hole and forms flat nail mouth, and the bottom butt lower part of through-hole intracavity fixed bolster and support on upper portion articulates two curved nail boards side by side on the support. The split structure of the nail plate is beneficial to installation of functional components.

Preferably, the nail plate is made of plastic, and the metal bracket is fixed in the through hole in the upper part. For the support, for example, two metal plates are relatively fixed to form the support, and a bent nail plate is hinged in a gap between the two metal plates. The upper portion of the plastic material helps to reduce weight and cost.

Preferably, the upper part and the lower part are clamped and fixed, and if the upper part side surface and the like are provided with position forming clamping blocks, corresponding grooves matched with each other are formed on the corresponding lower groove wall; or the lower head part is convexly molded with a clamping block, and the corresponding upper bottom surface is molded with a matched groove. The clamping and fixing mode is convenient for assembly and molding.

Furthermore, the groove walls on two sides of the lower portion extend upwards to form a mounting plate, the tail end of the gland is hinged to the upper portion of the mounting plate, and the tail end of the base is hinged to the lower portion of the mounting plate. Reasonable layout and good operation stability.

Preferably, the mounting plate is provided with a first guide block matched with the push rod, the first guide block is obliquely arranged, and in an initial state, the pushing part of the sliding plate is arranged below the first guide block, and the push rod is arranged in front of the first guide block and the pushing part. Increase the guide block, after lifting the nail box through the gland, the position change of push rod is great, gland and nail box reset in-process, and push rod tip butt guide block carries out the adjustment of position, and stability is good.

Further, the sliding plate is provided with a second guide block, the corresponding nail plate is provided with a guide groove, the moving stability of the sliding plate is further improved through the second guide block, and the stroke can be limited through the guide groove.

Further, the base comprises a groove-shaped base body and a bottom support, the base body is embedded and fixed in a mounting groove formed in the bottom support, a fixing plate is transversely arranged at the bottom end of the top plate, and the fixing plate is clamped and fixed on the bottom wall of the base; the head end of the seat body is provided with an L-shaped limiting hook, the transverse end of the limiting hook extends into a hole arranged on the bottom surface of the nail plate, and the transverse end of the limiting hook is hooked with the wall of the hole at the position to keep the distance between the nail plate and the seat; the gland includes trough-shaped lid, casing and presser plate, the presser plate includes body and clamp plate, the head end of body sets up the downward butt nail box of tail end slope of clamp plate and body, the articulated push rod in the groove cavity of lid, the lid tail end is articulated with the nail board. The base and the gland are of split type structures, and the bottom support and the shell can be made of plastic materials to reduce weight. The top plate and the base are maintained at a preset distance by the hooking of the limiting hook and the orifice wall. The tail end of the main body is obliquely and downwards abutted against the nail box so as to keep the distance between the nail box and the cover body. The body can be inserted into a groove formed on the cavity wall of the cover body for fixation.

Preferably, the bottom surface of the tail end of the base body is provided with a second clamping plate, and the second clamping plate extends out of a hole formed in the wall of the tail end groove of the mounting groove in the bottom support. The stability that pedestal and collet are connected is improved through the cooperation in cardboard two and hole.

Furthermore, a through hole is formed in the middle of the fixed plate, a first clamping plate is formed on the wall of the through hole close to the tail end of the fixed plate in an upward inclining mode, a second clamping groove matched with the clamping plate is formed in the bottom wall of the seat body, the top plate is T-shaped, the longitudinal end of the top plate is fixed to the head end of the fixed plate, and a mounting hole with a T-shaped cross section is formed in the position, corresponding to the top plate, of the bottom wall of the seat body; the clamping plate is arranged in the second clamping groove, the top plate is arranged at the transverse end of the mounting hole, the fixing plate is axially moved to enable the first clamping plate to be buckled on the wall of the second clamping groove, and the longitudinal end of the top plate is located in the longitudinal end of the mounting hole.

In this scheme, cardboard one and draw-in groove cooperation, T type roof and the cooperation of T type mounting hole, axial displacement make the fixed plate joint on the pedestal, convenient assembly forming.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses redesign stapler, overall structure simplifies, reduces equipment process and cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

Fig. 1 is a schematic view showing the overall structure of the present flat-staple stapler in embodiment 1;

FIG. 2 is a schematic view of the exploded structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure of FIG. 1;

FIG. 4 is a schematic view of the mounting structure of the push rod;

FIG. 5 is a schematic view of the structure of the push rod installed in the cavity of the cover body in a cross-sectional state;

FIG. 6 is a schematic view of the installation structure of the nail plate and the seat body in a cross-sectional state;

FIG. 7 is a schematic structural view of a nail plate;

FIG. 8 is a schematic structural view of the nail plate in a cross-sectional state;

FIG. 9 is a schematic view of the mounting structure of the bracket;

wherein the reference numerals are:

1. a gland; 2. a nail box; 3. nailing a plate; 4. a base; 5. a push rod; 6. a connecting rod; 7. a connecting plate; 8. a support; 9. bending the nail plate; 10. a slide plate; 11. a top plate; 12. a second guide block; 13. a first plate body; 14. a fixing plate; 15. clamping a first plate; 16. a boss portion; 17. an elastic member; 30. an upper portion; 31. a lower portion; 32. mounting a plate; 33. a first guide block; 34. a clamping block; 35. a groove; 36. Flattening the nail mouth; 37. a groove; 40. a base body; 41. a bottom support; 42. an elastic block; 43. mounting holes; 44. a limiting hook; 45. a second clamping plate; 46. a chute; 51. a first clamping groove; 81. a support block; 100. a housing; 101. a cover body; 102. pressing a plate; 103. a body; 104. a convex column.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Example 1

As shown in fig. 1 to 9, in the present embodiment, the flat-staple stapler includes a top corner bending mechanism, a base 4, a pressing cover 1, and a staple cartridge 2, and the base 4, the pressing cover 1, and the staple cartridge 2 are hinged at a rear end portion. The apex angle bending mechanism includes that nail board 3, roof 11 and curved nail board 9 are nailed to the nail, and nail box 2 is located between base 4 and the gland 1 and base 4 and nail box 2 between installation nail board 3. The head end of the nail plate 3 is longitudinally formed with a through hole which is used as a flat nail mouth 36, and the bent nail plate 9 is arranged in the flat nail mouth 36. The top plate 11 is arranged on the base 4 at the position corresponding to the flat nail mouth 36, and the top plate extends into the flat nail mouth to push the bent nail plate upwards. The base 4 is provided with a sliding plate 10 sliding along the axis, opposite positions on two sides of the tail end of the sliding plate 10 extend upwards to form a first plate body 13, the first plate body 13 is used as a pushing part, push rods 5 are arranged on the pressing covers corresponding to the first plate bodies 13, and the nail box 2 is positioned in a groove surrounded by the two push rods 5 and the first plate bodies 13. The rear end of the slide board 10 is also provided with an elastic piece 17 for resetting the slide board. In this embodiment, a longitudinally extending, plate-shaped protrusion 16 is disposed on the surface of the base 4 facing the nail plate 3, the protrusion is located on the moving stroke of the slide plate, a groove 37 is formed on the surface of the nail plate 9 corresponding to the protrusion 16, and when the nail plate approaches the base, the protrusion extends into the groove. In this embodiment, in the initial state, the head end of the slide plate 10 is located between the groove 37 and the boss 16; under operating condition, press the binding promptly, the gland removes towards the base, and the push rod butt promotion portion on the slide promotes the slide backward in step, and the head end of slide breaks away from spacing to bellying and recess, and the bellying is put into in the recess. In this embodiment, the increase in the width of the tail end of the slide plate causes the slide plate to form a T-like configuration, and the corresponding chute 46 formed on the wall of the base cavity and matching with the increased width of the tail end moves along the chute, so that a gap exists between the bottom surface of the slide plate and the bottom wall of the base, and the height of the gap is greater than the height of the boss, so that the head end of the slide plate can move above the boss.

In this embodiment, two guide blocks 12 are formed on the sliding plate 10, one of the two guide blocks is rod-shaped and extends longitudinally, the other guide block is in a slope shape, a guide groove matched with the guide block is formed on the bottom surface of the corresponding nail plate, of course, a convex block can be formed on the slope-shaped guide block towards two sides to form a cross-like shape, the convex block is supported by the guide groove, the front end and the rear end of the sliding plate are both supported, the sliding plate moves stably, and the guide block two and the guide groove are matched for guiding and moving in the reciprocating process.

In this embodiment, elastic component 17 is the shell fragment, the shell fragment head end is fixed on base 4 of slide 10 below and the tail end of shell fragment is located the rear of slide 10 and is connected with the 3 bottom surfaces of nail board of top, and the shell fragment that corresponds in slide 10 rear curls into the arc of epirelief, make the relative base of nail board keep the state of lifting up under the shell fragment effect, and the slide moves the arc part on the in-process butt shell fragment backward and makes it warp, the external force of pressing the gland removes the back, under the shell fragment effect, the slide resets, the roof resets. To the installation of shell fragment, correspond fashioned inslot if the head end embedding base of shell fragment goes up to and the tail end of shell fragment corresponds imbeds the fashioned inslot that corresponds on the nail board, head end, the tail end of optional shell fragment be T type form, and it is spacing to cooperate the slot jade wall with the horizontal end of T type, improve stability.

In this embodiment, the push rods 5 are fixed by the connecting plate 7 to form a push frame, wherein the upper portion of the push rods 5 is laterally and outwardly extended to form the connecting rods 6, the two connecting rods 6 are connected into a whole by the connecting plate 7, and the push frame can be selected to be of a one-body forming structure. During installation, the connecting plate 7 is located in a gland 1 cavity above the nail box 2, the two push rods 5 are respectively located on two sides of the nail box 2 and the first end forming clamping grooves 51 of the push rods 5, the corresponding convex forming convex columns 104 are arranged on the wall of the gland cavity, and the notches of the first clamping grooves 51 of the two push rods 5 on the pushing frame are inserted into the corresponding convex columns 104 to complete hinged installation. Wherein, the position of the convex column 104 is located at the front upper part of the pushing part, namely the front oblique upper part. The gland 1 comprises a groove-shaped cover body 101, a shell 100 and a pressing plate, the pressing plate comprises a body 103 and a pressing plate 102, the head end of the body 103 is bent downwards to form the pressing plate 102, and the tail end of the body 103 is obliquely and downwards abutted against the top surface of the nail box 2 to enable the pressing plate 102 and the nail box 2 to keep a distance. The cover body 101 is embedded into the groove cavity of the shell 100, the push rod 5 is hinged in the groove cavity of the cover body 101, and the tail end of the cover body 101 is hinged with the nail plate 3. For the installation of the presser body, the presser body is inserted into a groove formed on the bottom wall of the groove cavity of the cover body. The nail box adopts common structure, the trough-shaped box body of dress staple and the lid of notch department, and the installation ejector pad interlock subassembly is used structure for this part in the box chamber of nail box, does not describe in detail. The cover body is preferably made of plastic, so that the weight is reduced, and the hand feeling is good. Of course, the installation of a spring between the nail plate and the upper nail box to keep the distance between the nail box and the nail plate is also included, and the installation is also a common structure and is not described again.

In this embodiment, the nail plate 3 includes a plate-shaped upper portion 30 and a groove-shaped lower portion 31, wherein the upper portion 30 is fixed at the notch of the lower portion 31, a through hole is longitudinally formed at the head end positions of the upper portion 30 and the lower portion 31, the through hole is a flat nail mouth 36, a bracket 8 is installed in the through hole cavity of the upper portion 30, the bottom of the bracket 8 abuts against the lower portion 30, and two bent nail plates 9 are hinged on the bracket 8 side by side. In the embodiment, the upper part 30 of the nail plate 3 is made of plastic, the weight and the cost are reduced, the support 8 is a rectangular frame body made of metal, the support blocks 81 are convexly formed at the middle positions of the front surface and the back surface of the frame body, the upper part of the frame body is embedded into the through hole of the upper part 31, the bottom of the frame body is abutted against the top surface of the lower part 30, the support blocks 81 on the two surfaces are abutted against the bottom surface of the upper part of the nail plate 3, the stability is good, and the bent nail plate 9 is hinged in the frame opening side by side. As for the fixing mode of the upper part and the lower part, the embodiment adopts clamping fixing, the opposite positions of the two side surfaces of the upper part 31 are respectively provided with a fixture block 34, a groove matched with the fixture block 34 is formed on the corresponding groove wall of the lower part 30, the head end position of the lower part 30 extends outwards along the axial direction to form the fixture block 34, and a matched groove 35 is formed on the corresponding bottom surface of the upper part. In the embodiment, the mounting plate 32 is longitudinally and upwardly extended and formed at the opposite positions of the two sides of the tail end of the lower part 30 of the nail plate 3, the gland 1 and the nail box 2 are hinged on the upper part of the mounting plate 32, and the base 4 and the nail plate 3 are hinged on the lower part of the mounting plate 32. The mounting plate 32 is preformed with holes for articulation, which can be accomplished by direct insertion of a pivot or the like. For the gland, only the cover body is hinged with the mounting plate, so that the shell is convenient to assemble or disassemble.

In addition, in order to adjust the position of the push rod, a first guide block 33 matched with the push rod is formed on the mounting plate 32, the head end of the first guide block 33 extends downwards in an inclined mode, in the initial state, the pushing portion of the sliding plate is arranged below the first guide block 33, and the push rod 5 is arranged in front of the first guide block 33 and the pushing portion. The guide block is added, after the nail box is lifted through the gland, the position change of the push rod is large, the gland and the nail box reset process are carried out, the end part of the push rod is abutted to the guide block to adjust the position, and the stability is good.

In this embodiment, the base 4 includes a groove-shaped base 40 and a bottom support 41, the base 40 is fixed to the bottom support 41 in a fitting manner, the slide board 10 is located in a groove cavity of the base 40, and the bottom support 41 is made of plastic material to reduce cost and weight. For the fixing mode of the base body and the bottom support, if a second clamping plate 45 is formed at the tail end of the base body 40 in an axially protruding mode, a hole is formed at the tail end of the bottom support 41 in the installation groove, the second clamping plate extends out of the hole, and then the base body is embedded into the installation groove. And optionally, an elastic block 42, such as rubber, is embedded in the bottom surface of the head end of the bottom support, so as to play a role of buffering when the book is pressed and bound. Similarly, only the base body is hinged with the mounting plate, so that the bottom support is convenient to assemble or disassemble.

In this embodiment, roof 11 and base 4 are split type structure, at the horizontal shaping fixed plate 14 of roof 11 bottom, and fixed plate 14 joint is fixed on base 4 diapire. 14 intermediate position shaping through-holes of fixed plate, the through-hole pore wall that closes on the fixed plate tail end upwards shaping cardboard 15 that inclines, cardboard 15 includes horizontal segment and slope section, and the tail end of horizontal segment is the slope section, and the slope section is even as an organic whole with fixed plate through-hole pore wall. The bottom wall of the seat body 40 is formed into a second clamping groove matched with the first clamping plate 15, the top plate 11 is T-shaped, the longitudinal end of the top plate is integrally formed with the head end of the fixing plate 14, and a mounting hole 43 with a T-shaped cross section is formed in the bottom wall of the seat body 40 corresponding to the position of the top plate 11. During assembly, the clamping plate is arranged in the second clamping groove, the top plate is arranged at the transverse end of the mounting hole, the fixing plate is moved axially to enable the first clamping plate to be buckled on the wall of the second clamping groove, the longitudinal end of the top plate is located in the longitudinal end of the mounting hole, and mounting is completed.

In this embodiment, the head end of the base body is integrally formed with an L-shaped limit hook 44, the transverse end of the limit hook 44 extends into a preformed hole on the bottom surface of the nail plate 3, and the transverse end of the limit hook 44 is hooked with the wall of the hole at the position to keep a predetermined distance between the nail plate and the base; after binding is finished, the external force is removed, the elastic sheet resets the nail plate, and the limiting hook is hooked with the limiting nail plate.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (12)

1. The flat nail stapler comprises a top corner bending mechanism, a base, a pressing cover and a nail box, wherein the base is hinged with the pressing cover at the end part, and the nail box is arranged between the base and the pressing cover; the top corner bending mechanism comprises a nail plate, a top plate and a bent nail plate, the nail plate which swings up and down relative to the base is arranged between the base and the nail box, the bent nail plate is arranged in a flat nail mouth formed in the end part of the nail plate, and the top plate is arranged on the base below the flat nail mouth in a matched mode; the nail plate is characterized in that a protruding part is arranged on the surface of the base facing the nail plate, a groove is arranged on the surface of the nail plate corresponding to the protruding part, and an elastic part for resetting the sliding plate is arranged on the base; in an initial state, the head end of the sliding plate is positioned between the groove and the bulge; under the operating condition, the gland moves towards the base, the push rod abuts against the pushing part on the sliding plate and synchronously pushes the sliding plate to move backwards, and the protruding part is arranged in the groove.

2. The flat-staple stapler of claim 1, wherein: the first plate bodies are vertically arranged at the opposite positions of the two sides of the tail end of the sliding plate, the first plate bodies serve as pushing portions, push rods are correspondingly arranged on pressing covers above the first plate bodies, the push rods are fixed through connecting plates to form a pushing frame, and the two side faces of the tail end of the sliding plate move along sliding grooves formed in the wall of the base cavity.

3. The flat-nailed stapler of claim 2, wherein: the upper portions of the push rods are transversely provided with connecting rods, the connecting rods are connected through connecting plates, the connecting plates are located in gland cavities above the nail box, the two push rods are located on two sides of the nail box respectively, the head ends of the push rods are provided with first clamping grooves, the corresponding gland cavity walls are provided with protruding columns, and the protruding columns stretch into the first clamping grooves to form hinges, and the positions of the protruding columns are located above the front portions of the pushing portions.

4. The flat-staple stapler of claim 1, wherein: the elastic piece is a spring piece, the head end of the spring piece is fixed on the base below the sliding plate, the tail end of the spring piece is located behind the sliding plate and connected with the nail plate above the sliding plate, and the spring piece corresponding to the rear of the sliding plate is curled into an upward convex arc shape.

5. The flat staple stapler of claim 1, wherein: the nail plate comprises an upper portion and a groove-shaped lower portion, the upper portion is fixed at the groove opening of the lower portion, through holes are formed in the head end positions of the upper portion and the lower portion to form a flat nail opening, the bottom of the support is abutted to the lower portion of the support in the through hole cavity of the upper portion, and the support is hinged with two bent nail plates side by side.

6. The flat-nailed stapler of claim 5, wherein: the upper part and the lower part are clamped and fixed, a clamping block is formed on the side surface of the upper part, and a matched groove is formed on the corresponding wall of the lower groove; or the lower head part is convexly molded with a clamping block, and the corresponding upper bottom surface is molded with a matched groove.

7. The flat staple stapler of claim 5, wherein: the groove walls on two sides of the lower portion extend upwards to form a mounting plate, the tail end of the gland is hinged to the upper portion of the mounting plate, and the tail end of the base is hinged to the lower portion of the mounting plate.

8. The flat staple stapler of claim 7, wherein: the mounting plate is provided with a first guide block matched with the push rod, the first guide block is obliquely arranged, and in an initial state, the lower part of the first guide block is a pushing part of the sliding plate, and the push rod is arranged in front of the first guide block and the pushing part.

9. The flat-staple stapler of claim 1, wherein: and the sliding plate is provided with a second guide block, and the corresponding nail plate is provided with a guide groove.

10. The flat-staple stapler of claim 1, wherein: the base comprises a groove-shaped base body and a bottom support, the base body is embedded and fixed in a mounting groove formed in the bottom support, a fixing plate is transversely arranged at the bottom end of the top plate, and the fixing plate is clamped and fixed on the bottom wall of the base; the head end of the seat body is provided with an L-shaped limiting hook, the transverse end of the limiting hook extends into a hole arranged on the bottom surface of the nail plate, and the transverse end of the limiting hook is hooked with the wall of the hole to keep the distance between the nail plate and the base; the gland includes trough-shaped lid, casing and presser plate, the presser plate includes body and clamp plate, the head end of body sets up the slope of the tail end of clamp plate and body and supports the nail box downwards, and articulated push rod in the slot chamber of lid, the lid tail end is articulated with the nail board.

11. The flat staple stapler of claim 10, wherein: and the bottom surface of the tail end of the seat body is provided with a second clamping plate, and the second clamping plate extends out of a hole formed in the wall of the tail end groove of the mounting groove on the bottom support.

12. The flat-nailed stapler of claim 10, wherein: a through hole is formed in the middle of the fixed plate, a first clamping plate is formed on the wall of the through hole close to the tail end of the fixed plate in an upward inclining mode, a second clamping groove matched with the clamping plate is formed in the bottom wall of the seat body, the top plate is T-shaped, the longitudinal end of the top plate is fixed to the head end of the fixed plate, and a mounting hole with a T-shaped cross section is formed in the position, corresponding to the top plate, in the bottom wall of the seat body; the clamping plate is arranged in the second clamping groove, the top plate is arranged at the transverse end of the mounting hole, the fixing plate is axially moved to enable the first clamping plate to be buckled on the wall of the second clamping groove, and the longitudinal end of the top plate is located in the longitudinal end of the mounting hole.

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