CN213106654U - Clamp type stapler - Google Patents

Abstract

A pincer type stapler comprises a bracket component, a needle groove component, a handle component, a needle pushing component and a needle cutting piece; the bracket component is fixedly connected with the needle groove component; the push pin component is movably connected with the pin groove component; the handle component is movably connected with the bracket component; the end part of the handle component is provided with a supporting head which is used for hanging the needle cutting piece; when the handle assembly generates a stapling action relative to the bracket assembly, the support head drives the needle cutting sheet to move so as to finish the stapling action; the supporting head comprises two supporting sheets which are symmetrically arranged in parallel, and a reinforcing block for enhancing hardness through heat treatment is arranged between gaps of the two supporting sheets. A reinforcing block is added at the key position of the supporting head, the stress capacity of the reinforcing block is greatly enhanced after the hardness of the reinforcing block is increased through heat treatment, the support and the handle do not need to be subjected to heat treatment again to increase the hardness, and the hardware cost of the pincer type stapler is reduced.

Description

Clamp type stapler

Technical Field

The utility model relates to a stapler especially relates to a pincers type stapler.

Background

In the prior art, since the pliers-type stapler needs to bear a large force, the support and the handle of the pliers-type stapler made of metal materials are generally required to be heat-treated to increase the hardness of the support and the handle, so that the stress capacity of the pliers-type stapler is increased.

In the prior art, the clamp-type stapler support and the handle are relatively bulky, and the heat treatment increases the process complexity and cost.

Disclosure of Invention

The technical proposal adopted by the utility model to solve the technical problems is a pliers type stapler without heat treatment to the support and the handle to increase the hardness.

The technical scheme adopted by the utility model is that the clamp type stapler comprises a bracket component, a needle groove component for placing the staple, a handle component for grasping, a staple pushing component for fixing and pushing the staple, and a staple cutting piece for cutting the staple; the bracket component is fixedly connected with the needle groove component; the push pin component is movably connected with the pin groove component; the handle component is movably connected with the bracket component; the end part of the handle component is provided with a supporting head which is used for hanging the needle cutting piece; when the handle assembly generates a stapling action relative to the bracket assembly, the support head drives the needle cutting sheet to move so as to finish the stapling action; the supporting head comprises two supporting sheets which are symmetrically arranged, and a reinforcing block for enhancing hardness through heat treatment is arranged between gaps of the two supporting sheets.

The reinforcing block comprises a reinforcing block small head end and a reinforcing block large head end; the support sheet comprises a support sheet small end and a support sheet large end; the size of the small end of the supporting sheet corresponds to that of the small end of the reinforcing block; the size of the big end of the supporting sheet corresponds to that of the big end of the reinforcing block; the small end of the reinforcing block is embedded between the small ends of the two support pieces in a tight fit manner to form a small end of the support head; the big head end of the reinforcing block is embedded between the big head ends of the two supporting pieces in a tight fit manner to form a big head end of the supporting head; the small end of the supporting head is used for hanging the needle cutting piece, and the large end of the supporting head is used for being connected with the handle component.

The reinforcing block is also provided with a reinforcing block through hole; each supporting sheet is provided with a supporting sheet through hole; the reinforcing block through hole corresponds to the supporting sheet through hole, and the fastening piece sequentially penetrates through one supporting sheet through hole, the reinforcing block through hole and the other supporting sheet through hole to fix the reinforcing block between the two supporting sheets.

The clamp-type stapler also comprises a needle cutting fixing sheet; the needle cutting fixing piece comprises a fixing piece bottom surface and two fixing piece side surfaces which are symmetrically arranged in parallel; the side surfaces of the two fixing pieces are respectively fixedly connected with one edge of the bottom surface of the fixing piece; the lower part of each edge of the bottom surface of the fixing piece is fixedly connected with the end part of the needle groove component; a needle cutting action space for the up-and-down movement of the needle cutting sheet is formed between the needle cutting fixing sheet and the needle groove component.

The bottom surface of the fixing piece is provided with a fixing piece hole; the cutting needle sheet is provided with a cutting needle sheet hole; the supporting head passes through the needle cutting sheet hole and the fixing sheet hole in sequence, and the needle cutting sheet is hung on the supporting head; when the handle component moves relative to the bracket component to generate the stapling action, the supporting head drives the needle cutting sheet to move up and down along the fixed sheet hole, and the stapling action is completed.

The needle groove component comprises an inner needle groove and an outer groove component; the inner needle groove is a square groove for accommodating a staple; the outer groove component comprises an outer groove for accommodating the inner needle groove, and the inner needle groove is fixed in the outer groove; the lower part of the outer groove component is provided with an outer groove through hole which is used for connecting the needle groove component and the handle component and connecting the needle groove component and the support component; the end parts of the two outer groove edges of the outer groove component are respectively provided with an upright piece protruding upwards; the distance between the two vertical pieces is more than or equal to the transverse aperture of the square cutting needle piece hole; a motion limiting track which is consistent with the longitudinal hole opening direction of the fixed sheet hole and is parallel to the fixed sheet hole is formed between the two vertical sheets and used for limiting the motion tracks of the supporting head and the needle cutting sheet.

The support assembly comprises a support main body, a needle plate frame and a needle plate; the bracket main body comprises a bracket upper part, a bracket handle and a bracket lower part; the upper part of the bracket is in the shape of a square clamping groove with a downward opening; one side of the upper part of the bracket is fixedly connected with a bracket handle, the lower part of the side of the upper part of the bracket is fixedly connected with the lower part of the bracket, a side U-shaped groove is enclosed between the upper part of the bracket and the lower part of the bracket and is used for placing the part to be bound of the object to be bound; the bracket handle extends outwards from one side of the upper part of the bracket and is used as an upper handle which is matched with the handle assembly to realize the stapling action of the pincer type stapler; the lower part of the bracket is hollow, and the needle plate frame is fixed on the inner side wall of the lower part of the bracket; the end part of the needle plate frame is used for supporting and fixing the needle plate; the needle plate is used for supporting the bottom of the part to be bound; the upper part of the bracket is provided with a first bracket through hole; a second bracket through hole is formed in the bracket main body at the joint of the upper part of the bracket and the lower part of the bracket; the first bracket through hole is used for connecting the bracket component and the handle component; the second bracket through hole is used for connecting the needle groove assembly and the bracket assembly and connecting the bracket assembly and the handle assembly.

The handle assembly comprises two support arms and a handle which are symmetrically arranged; the two support sheets on the support head are respectively fixedly connected with one end of each support arm; the supporting arms comprise transverse supporting arms and longitudinal supporting arms; the transverse supporting arm and the longitudinal supporting arm are fixedly connected into a part with the shape like Arabic numeral 7; the handle is in a groove shape, and the bottom of the handle is a wave-shaped contact surface; the two side groove walls of the handle extend upwards and are respectively fixedly connected with the longitudinal supporting arm of each supporting arm; the transverse supporting arm is provided with a handle through hole which is used for connecting the handle assembly with the bracket assembly; the longitudinal supporting arm is provided with an arc-shaped through hole, the arc-shaped through hole is used for connecting the handle assembly with the support assembly, and the arc-shaped through hole is also used for connecting the handle assembly with the needle groove assembly.

The pincer type stapler also comprises a tension spring, a torsion spring assembly and a first bearing assembly; the bottom of the handle is also provided with a handle tension spring hole; the needle plate frame is also provided with a needle plate frame tension spring hole; one end of the tension spring is connected with a handle tension spring hole, and the other end of the tension spring is connected with a needle plate frame tension spring hole; the torsion spring assembly comprises a torsion spring, a torsion spring supporting shaft and a torsion spring supporting shaft clamping ring; the torsion spring supporting shaft sequentially passes through one handle through hole, the central hole of the torsion spring and the other handle through hole, and the connection of the torsion spring, the handle assembly and the bracket main body is realized by the torsion spring supporting shaft clamping ring; the first support assembly comprises a first support shaft and a first support shaft snap ring; the first supporting shaft sequentially passes through one second support through hole, one arc-shaped through hole, two outer groove through holes, the other arc-shaped through hole and the other second support through hole, and the needle groove assembly, the handle assembly and the support main body are connected through the first supporting shaft clamping ring.

The push needle assembly comprises a push needle device body, a push needle long shaft, a push needle spring and a gasket; the needle pusher body is in an inverted U shape; a push needle spring is sleeved on the push needle long shaft, one end of the push needle long shaft is fixedly connected with the bottom surface of the needle pusher body, and a gasket is arranged at the bottom of the other end of the push needle long shaft; one end of the push needle spring is fixedly connected with the bottom surface of the needle pusher body by virtue of the push needle long shaft, and the other end of the push needle spring is fixedly pressed at the bottom of the needle long shaft by virtue of a gasket; the bottom surface of the inverted U-shaped needle pusher body is movably sleeved on the inner needle groove, and the head of the long shaft of the push needle is used for propping against a staple; two downward needle pushing shaft fixing pieces are arranged on the bottom surface of the needle device main body, and needle pushing shaft fixing holes are formed in the needle pushing shaft fixing pieces; the head of the push pin long shaft sequentially passes through the two push pin shaft fixing holes on the bottom surface of the needle pusher body, then the head of the push pin long shaft is deformed, and the push pin long shaft is fixedly connected with the needle pusher body through the two push pin shaft fixing holes.

Compared with the prior art, the beneficial effects of the utility model are that: a reinforcing block is added at the key position of the supporting head, the stress capacity of the reinforcing block is greatly enhanced after the hardness of the reinforcing block is increased through heat treatment, the support and the handle do not need to be subjected to heat treatment again to increase the hardness, and the hardware cost of the pincer type stapler is reduced.

Drawings

FIG. 1 is a schematic view of a combined state axonometric projection of a preferred embodiment of the present invention;

FIG. 2 is a schematic exploded perspective view of the preferred embodiment of the present invention;

FIG. 3 is a schematic isometric view of a mid-section subassembly and support head 890 combination of handle assembly 800;

FIG. 4 is a schematic isometric view of a mid-section subassembly and support head 890 of handle assembly 800 in an exploded condition;

FIG. 5 is a schematic isometric projection of a mid-section subassembly of handle assembly 800;

FIG. 6 is a schematic isometric projection of a stiffener 893;

FIG. 7 is a schematic view of the needle fixing plate 620 and the needle groove assembly 200 in an exploded perspective view; in the figure, reference numeral 628 is the lower part of each side of the bottom surface of the needle cutting fixing piece; reference numeral 208 is the end of the needle and slot assembly; the lower part 628 of each side of the bottom surface of the needle cutting fixing piece is fixedly connected with the end part 208 of the needle groove assembly;

FIG. 8 is a schematic perspective view of needle cutting blade 610, needle cutting blade 620, and needle slot assembly 200 in an exploded position;

FIG. 9 is a schematic isometric projection of the holder body 110;

fig. 10 is one of schematic axonometric views of a state in which the holder main body 110 and the needle plate holder 120 are combined;

fig. 11 is a second schematic perspective view of the assembled state of the holder main body 110 and the needle plate holder 120;

FIG. 12 is a schematic perspective view of the push pin assembly 300 in an exploded state;

FIG. 13 is a perspective view of the assembled bracket assembly 100 and handle assembly 800 with the upper portion removed;

fig. 14 is an assembled isometric view of the clincher stapler with the upper portion of the frame assembly 100 removed.

Detailed Description

The following detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

In one embodiment of a clincher type stapler as illustrated in fig. 1 to 7, includes a frame assembly 100, a slot assembly 200 for placing a staple, a handle assembly 800 for grasping, a staple pusher assembly 300 for holding and pushing the staple, a staple cutter 610 for cutting the staple; the bracket assembly 100 is fixedly connected with the needle groove assembly 200; the push pin assembly 300 is movably connected with the needle groove assembly 200; the handle assembly 800 is movably connected with the bracket assembly 100; the end part of the handle component 800 is provided with a supporting head 890, and the supporting head 890 is used for hanging the needle cutting piece 610; when the handle assembly 800 performs a stapling action with respect to the frame assembly 100, the supporting head 890 drives the needle cutting blade 610 to move, thereby completing the stapling action; the supporting head 890 includes two supporting pieces 891 symmetrically arranged in parallel, and a reinforcing piece 893 with heat treatment for enhancing hardness is arranged between the gaps of the two supporting pieces 891.

In one embodiment of a clincher stapler as illustrated in fig. 4-6, the reinforcement piece 893 includes a reinforcement piece small end 8931 and a reinforcement piece large end 8932; the support piece 891 comprises a support piece small end 8911 and a support piece large end 8912; the size of the small end 8911 of the support piece corresponds to the size of the small end 8931 of the reinforcing block; the size of the big head end 8912 of the support piece corresponds to the size of the big head end 8932 of the reinforcing block; the small end of the reinforcing block 893 is embedded between the small end 8911 of the two support pieces in a tight fit manner to form a small end of the support head 890; the big end of the reinforcing block 893 is embedded between the big end 8912 of the two supporting pieces in a tight fit manner to form a big end of the supporting head 890; the small end of the support head 890 is used for hanging the cutter pin piece 610, and the large end of the support head 890 is used for connecting with the handle assembly 800.

In the embodiment of a clincher stapler as illustrated in fig. 4-6, the reinforcement block 893 is further provided with a reinforcement block through hole 8935; each support sheet 891 is provided with a support sheet through hole 8915; the reinforcing block through holes 8935 correspond to the support piece through holes 8915, and the fasteners pass through one support piece through hole 8915, the reinforcing block through holes 8935 and the other support piece through hole 8915 in sequence to fix the reinforcing block 893 between the two support pieces 891.

In the embodiment of a clincher stapler as shown in fig. 4 to 6, the supporting head 890 includes a supporting piece 891 and a supporting piece 891 symmetrically disposed, and a reinforcing piece 893 having a hardness enhanced by heat treatment is disposed between the gap formed by the supporting piece 891 and the supporting piece 891. The reinforcing block 893, which is hardened by heat treatment, enhances the support strength of the support head 890. The support head 890 is a key component, relating to the overall strength of the pliers-type stapler. In the prior art, the reinforcing block 893 is not provided, but the whole handle where the supporting head 890 is located is reinforced by heat treatment, which obviously increases the cost of heat treatment, so that the whole manufacturing cost is higher. In the present embodiment, with such a structure, the entire handle assembly 800 can be heat-hardened by merely heat-hardening the reinforcing block 893.

In the embodiment of the clincher stapler as shown in fig. 2 and fig. 7 to 8, a needle cutting fixing plate 620 is further included for defining a moving track of the needle cutting plate 610; the needle cutting fixing piece 620 comprises a fixing piece bottom surface 621 and two fixing piece side surfaces 622 which are symmetrically arranged in parallel; the two fixing piece side surfaces 622 are fixedly connected with one edge of the fixing piece bottom surface 621 respectively; the lower part of each edge of the bottom surface 621 of the fixing piece is fixedly connected with the end part of the needle groove assembly 200; a cutting needle action space for the up and down movement of the cutting needle sheet 610 is formed between the cutting needle fixing sheet 620 and the needle groove assembly 200.

In the embodiment of a clincher stapler as shown in fig. 2 and 7 to 8, the bottom surface 621 of the fixing piece is provided with a fixing piece hole 623; the needle cutting sheet 610 is provided with a needle cutting sheet hole 611; the supporting head 890 passes through the needle cutting piece holes 611 and the fixing piece holes 623 in sequence, and the needle cutting pieces 610 are hung on the supporting head 890; when the handle assembly 800 moves relative to the frame assembly 100 to generate a stapling action, the supporting head 890 drives the needle cutting blade 610 to move up and down along the fixing blade hole 623, thereby completing the stapling action. The fixing piece hole 623 is a square hole, and the upper edge of the fixing piece hole 623 is the upper boundary of the movement of the support head 890; the lower edge of the tab hole 623 is the lower boundary of the movement of the support head 890; the size of the supporting head 890 is slightly smaller than the cutting blade hole 611, and the supporting head can just penetrate through the cutting blade hole 611.

In one embodiment of a clincher stapler as illustrated in fig. 8, the magazine assembly 200 includes an inner magazine 210 and an outer magazine assembly 220; the inner needle groove 210 is a square groove for accommodating staples; the outer groove assembly 220 comprises an outer groove 221 for accommodating the inner needle groove 210, and the inner needle groove 210 is fixed in the outer groove 221; the lower portion of the outer groove assembly 220 is provided with an outer groove through hole 228, and the outer groove through hole 228 is used for connecting the needle groove assembly 200 and the handle assembly 800 and connecting the needle groove assembly 200 and the bracket assembly 100; the end parts of the two outer groove edges 222 of the outer groove component 220 are respectively provided with an upright piece 223 protruding upwards; the distance between the two vertical pieces 223 is greater than or equal to the transverse aperture of the square cutting needle piece hole 611; a motion limiting track which is consistent with the longitudinal opening direction of the fixing piece hole 623 and is parallel to the fixing piece hole 623 is formed between the two upright pieces 223 and is used for limiting the motion tracks of the supporting head 890 and the needle cutting piece 610.

In one embodiment of a clincher stapler as illustrated in fig. 9 to 11, the frame assembly 100 includes a frame body 110, a needle plate frame 120, and a needle plate 130; the stand body 110 includes a stand upper part 111, a stand handle 112, and a stand lower part 113; the upper part 111 of the bracket is in the shape of a square clamping groove with a downward opening; one side of the bracket upper part 111 is fixedly connected with a bracket handle 112; the lower part of the side of the upper part 111 of the bracket is fixedly connected with the lower part 113 of the bracket, so that a side U-shaped groove 119 is enclosed between the upper part 111 of the bracket and the lower part 113 of the bracket, and the side U-shaped groove 119 is used for placing the part to be bound of the object to be bound, such as the part to be bound of paper; a frame handle 112 extending outwardly from one side of the frame upper portion 111 and serving as an upper handle for cooperating with the handle assembly 800 to effect the stapling action of the clinch stapler; the lower part 113 of the bracket is hollow, and the needle plate frame 120 is fixed on the inner side wall of the lower part 113 of the bracket; the end of the needle plate frame 120 is used for supporting the fixing needle plate 130; the needle plate 130 is used for supporting the bottom of the part to be bound; the needle board 130 is secured to the needle board frame 120 by needle board rivets. After the two ends of the staple pass through the portion to be bound, the two ends of the staple are respectively pressed on the needle plate 130, and the two ends of the staple are pressed on the bottom of the portion to be bound by means of the needle plate 130.

In the embodiment of a clincher stapler as illustrated in fig. 9 to 11, the frame upper portion 111 is provided with a first frame through hole 118; a second bracket through hole 117 is formed in the bracket main body 110 at the joint of the bracket upper part 111 and the bracket lower part 113; the first bracket through hole 118 is used for connection between the bracket assembly 100 and the handle assembly 800; the second bracket through hole 117 is used for connection between the needle slot assembly 200 and the bracket assembly 100, and also for connection between the bracket assembly 100 and the handle assembly 800.

In the embodiment of the clincher type stapler shown in fig. 2 and 9 to 11, a needle plate fixing hole 115 is provided on a side wall of the lower frame portion 113, and the needle plate frame 120 is fixed to the side wall of the lower frame portion 113 via the needle plate fixing hole 115. The needle board 130 is secured to the needle board frame 120 by needle board rivets. After the two ends of the staple pass through the portion to be bound, the two ends of the staple are respectively pressed on the needle plate 130, and the two ends of the staple are pressed on the bottom of the portion to be bound by means of the needle plate 130.

In one embodiment of a clincher stapler as illustrated in fig. 2-5, the handle assembly 800 further includes a handle 850 and two symmetrically disposed support arms 810; the two support pieces 891 on the support head 890 are respectively fixedly connected with one end of each support arm 810; support arm 810 includes transverse support arm 811 and longitudinal support arm 812; the transverse supporting arm 811 and the longitudinal supporting arm 812 are fixedly connected to form a member shaped like an arabic numeral 7; the handle 850 is a groove type, and the bottom 852 of the handle is a wave-shaped contact surface which is convenient for a user to grasp by fingers; two side groove walls 851 of the handle 850 extend upwards and are fixedly connected with the longitudinal supporting arms 812 of one supporting arm 810 respectively; the transverse supporting arm 811 is provided with a handle through hole 818, and the handle through hole 818 is used for connecting the handle assembly 800 with the bracket assembly 100; the longitudinal support arm 812 is provided with a curved through hole 816, the curved through hole 816 is used for connecting the handle assembly 800 and the bracket assembly 100, and the curved through hole 816 is also used for connecting the handle assembly 800 and the needle slot assembly 200.

In one embodiment of the clincher stapler as illustrated in fig. 2 and 13-14, further includes a tension spring 860, a torsion spring assembly 880 and a first bearing assembly 870; a handle tension spring hole is also formed in the handle bottom 852; the needle plate frame 120 is also provided with a needle plate frame tension spring hole; one end of the tension spring 860 is connected with a tension spring hole of the handle, and the other end of the tension spring 860 is connected with a tension spring hole of the needle plate frame; the torsion spring assembly 880 includes a torsion spring 881, a torsion spring support shaft 885, and a torsion spring support shaft snap ring 889; the torsion spring supporting shaft 885 sequentially passes through one handle through hole 818, the central hole of the torsion spring 881 and the other handle through hole 818, and the connection between the torsion spring 881 and the handle assembly 800 and the bracket main body 110 is realized by the torsion spring supporting shaft snap ring 889; the first bearing assembly 870 includes a first support shaft 875 and a first support shaft snap ring 879; the first supporting shaft 875 passes through one second bracket through hole 117, one arc-shaped through hole 816, two outer groove through holes 228, the other arc-shaped through hole 816 and the other second bracket through hole 117 in sequence, and the connection between the needle groove assembly 200 and the handle assembly 800 as well as the bracket main body 110 is realized by means of the first supporting shaft clamping ring 879.

In one embodiment of a clincher stapler as illustrated in fig. 12, the staple pusher assembly 300 includes a staple pusher body 310, a staple pusher shaft 320, a staple pusher spring 330, and a washer 340; the needle pusher main body 310 is in an inverted U shape, two downward needle pushing shaft fixing pieces are arranged on the bottom surface of the needle pusher main body 310, and needle pushing shaft fixing holes are formed in the needle pushing shaft fixing pieces; the push pin spring 330 is sleeved on the push pin long shaft 320, a gasket 340 is arranged at the bottom of the push pin long shaft 320, and the gasket 340 is used for fixing one end of the push pin spring 330 to prevent the push pin spring 330 from displacing.

In the embodiment of a clincher type stapler as shown in fig. 12, the head of the long push pin shaft 320 passes through two fixing holes of the bottom surface of the main body 310 of the staple pusher in sequence, and then the head of the long push pin shaft 320 is deformed, so that the long push pin shaft 320 is fixed by the fixing holes of the push pin shaft, and the long push pin shaft 320 does not move relative to the two fixing holes of the push pin shaft. Thereby, a fixed connection is realized between the long push-pin shaft 320 and the needle pusher body 310. When the push pin long shaft 320 is fixedly connected with the needle pusher main body 310, the other end of the push pin spring 330 is pressed with one of the push pin shaft fixing holes, so that the other end of the push pin spring 330 is fixed.

In one embodiment of a clincher type stapler as shown in fig. 2 and 12, the bottom surface of the inverted U-shaped pusher body 310 is movably fitted over the inner staple groove 210, and the head of the long staple axis 320 is used to abut against the staple. When the staple is gradually consumed, the staple long shaft 320 presses the staple forward under the action of the staple spring 330, so that the staple is fixedly pressed in the inner staple groove 210, and simultaneously, the staple pusher body 310 also slides forward on the inner staple groove 210 correspondingly.

The above-mentioned embodiment of the present invention is only, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent flow changes made by using the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the patent protection scope of the present invention.

Claims (10)

1. A pincer type stapler is characterized in that,

comprises a bracket component (100), a needle groove component (200) for placing the staple, a handle component (800) for grasping, a staple pushing component (300) for fixing and pushing the staple, and a staple cutting sheet (610) for cutting the staple;

the bracket component (100) is fixedly connected with the needle groove component (200); the push pin component (300) is movably connected with the needle groove component (200); the handle assembly (800) is movably connected with the bracket assembly (100);

a supporting head (890) is arranged at the end part of the handle component (800), and the supporting head (890) is used for hanging the needle cutting piece (610); when the handle assembly (800) performs a stapling action relative to the bracket assembly (100), the supporting head (890) drives the needle cutting piece (610) to move, and the stapling action is completed;

the supporting head (890) comprises two supporting pieces (891) which are symmetrically arranged, and a reinforcing block (893) which is subjected to heat treatment to enhance hardness is arranged between the gaps of the two supporting pieces (891).

2. The clinch stapler of claim 1,

the reinforcing block (893) comprises a reinforcing block small head end (8931) and a reinforcing block large head end (8932); the support sheet (891) comprises a small support sheet end (8911) and a large support sheet end (8912); the size of the small end (8911) of the support piece corresponds to the size of the small end (8931) of the reinforcing block; the size of the big end (8912) of the support piece corresponds to the size of the big end (8932) of the reinforcing block;

the small end of the reinforcing block (893) is embedded between the small ends (8911) of the two supporting pieces in a tight fit manner to form a small end of the supporting head (890); the big head end of the reinforcing block (893) is embedded between the big head ends (8912) of the two supporting pieces in a tight fit manner to form a big head end of the supporting head (890);

the small end of the supporting head (890) is used for hanging the needle cutting piece (610), and the big end of the supporting head (890) is used for being connected with the handle assembly (800).

3. The clinch stapler of claim 1,

the reinforcing block (893) is also provided with a reinforcing block through hole (8935);

each support sheet (891) is provided with a support sheet through hole (8915);

the position of the reinforcing block through hole (8935) corresponds to the position of the support piece through hole (8915), and the fastener sequentially passes through one support piece through hole (8915), the reinforcing block through hole (8935) and the other support piece through hole (8915) to fix the reinforcing block (893) between the two support pieces (891).

4. The clinch stapler of claim 1,

also comprises a needle cutting fixing sheet (620);

the needle cutting fixing piece (620) comprises a fixing piece bottom surface (621) and two fixing piece side surfaces (622) which are symmetrically arranged in parallel; the two fixing piece side surfaces (622) are respectively fixedly connected with one edge of the bottom surface (621) of the fixing piece; the lower part of each edge of the bottom surface (621) of the fixing piece is fixedly connected with the end part of the needle groove assembly (200) respectively; a cutting needle action space for the up-and-down movement of the cutting needle sheet (610) is formed between the cutting needle fixing sheet (620) and the needle groove assembly (200).

5. The clinch stapler of claim 4,

a fixing sheet hole (623) is formed in the bottom surface (621) of the fixing sheet; the needle cutting sheet (610) is provided with a needle cutting sheet hole (611);

the supporting head (890) passes through the needle cutting piece holes (611) and the fixing piece holes (623) in sequence, and the needle cutting pieces (610) are hung on the supporting head (890); when the handle assembly (800) moves relative to the bracket assembly (100) to generate a stapling action, the supporting head (890) drives the needle cutting piece (610) to move up and down along the fixed piece hole (623), and the stapling action is completed.

6. The clinch stapler of claim 5,

the needle groove assembly (200) comprises an inner needle groove (210) and an outer groove assembly (220); the inner needle groove (210) is a square groove for accommodating a staple; the outer groove component (220) comprises an outer groove (221) used for accommodating the inner needle groove (210), and the inner needle groove (210) is fixed in the outer groove (221); the lower part of the outer groove component (220) is provided with an outer groove through hole (228), and the outer groove through hole (228) is used for connecting the needle groove component (200) with the handle component (800) and connecting the needle groove component (200) with the bracket component (100);

the end parts of two outer groove edges (222) of the outer groove component (220) are respectively provided with an upright piece (223) which protrudes upwards; the distance between the two vertical pieces (223) is more than or equal to the transverse aperture of the square cutting needle piece hole (611); a motion limiting track which is consistent with the longitudinal opening direction of the fixing piece hole (623) and is parallel to the fixing piece hole (623) is formed between the two upright pieces (223) and is used for limiting the motion tracks of the supporting head (890) and the needle cutting piece (610).

7. The clinch stapler of claim 6,

the support assembly (100) comprises a support main body (110), a needle plate frame (120) and a needle plate (130); the bracket main body (110) comprises a bracket upper part (111), a bracket handle (112) and a bracket lower part (113);

the upper part (111) of the bracket is in the shape of a square clamping groove with a downward opening; one side of the upper part (111) of the bracket is fixedly connected with a handle (112) of the bracket, the lower part of the side of the upper part (111) of the bracket is fixedly connected with the lower part (113) of the bracket, a side U-shaped groove (119) is enclosed between the upper part (111) of the bracket and the lower part (113) of the bracket, and the side U-shaped groove (119) is used for placing a part to be bound of an object to be bound; a support handle (112) extending outwards from one side of the support upper part (111) and used as an upper handle to be matched with the handle assembly (800) to realize the stapling action of the pliers-type stapler;

the lower part (113) of the bracket is hollow, and the needle plate frame (120) is fixed on the inner side wall of the lower part (113) of the bracket; the end part of the needle board frame (120) is used for supporting and fixing the needle board (130); the needle plate (130) is used for supporting the bottom of the part to be bound;

the upper part (111) of the bracket is provided with a first bracket through hole (118); a second bracket through hole (117) is formed in the bracket main body (110) at the joint of the bracket upper part (111) and the bracket lower part (113);

the first bracket through hole (118) is used for connecting the bracket component (100) and the handle component (800); the second bracket through hole (117) is used for connecting the needle slot assembly (200) and the bracket assembly (100) and connecting the bracket assembly (100) and the handle assembly (800).

8. The clinch stapler of claim 7,

the handle assembly (800) comprises two support arms (810) and a handle (850) which are symmetrically arranged;

two supporting pieces (891) on the supporting head (890) are respectively fixedly connected with one end of each supporting arm (810);

the support arm (810) comprises a transverse support arm (811) and a longitudinal support arm (812); the transverse supporting arm (811) and the longitudinal supporting arm (812) are fixedly connected to form a part with the shape like Arabic numeral 7;

the handle (850) is of a groove shape, and the bottom (852) of the handle is a wave-shaped contact surface; two side groove walls (851) of the handle (850) extend upwards and are respectively fixedly connected with a longitudinal supporting arm (812) of each supporting arm (810);

the transverse supporting arm (811) is provided with a handle through hole (818), and the handle through hole (818) is used for connecting the handle assembly (800) and the bracket assembly (100); the longitudinal supporting arm (812) is provided with an arc-shaped through hole (816), the arc-shaped through hole (816) is used for connecting the handle assembly (800) with the bracket assembly (100), and the arc-shaped through hole (816) is also used for connecting the handle assembly (800) with the needle slot assembly (200).

9. The clinch stapler of claim 8,

further comprising a tension spring (860), a torsion spring assembly (880) and a first bearing assembly (870);

a handle tension spring hole is also formed in the bottom (852) of the handle;

the needle plate frame (120) is also provided with a needle plate frame tension spring hole;

one end of the tension spring (860) is connected with the tension spring hole of the handle, and the other end of the tension spring (860) is connected with the tension spring hole of the needle plate frame;

the torsion spring assembly (880) comprises a torsion spring (881), a torsion spring supporting shaft (885) and a torsion spring supporting shaft snap ring (889); the torsion spring supporting shaft (885) sequentially passes through one handle through hole (818), a central hole of the torsion spring (881) and the other handle through hole (818), and the torsion spring supporting shaft snap ring (889) is used for realizing the connection of the torsion spring (881), the handle assembly (800) and the bracket main body (110);

the first bearing assembly (870) includes a first bearing shaft (875) and a first bearing shaft snap ring (879); the first supporting shaft (875) sequentially passes through the second support through hole (117), the arc-shaped through hole (816), the two outer groove through holes (228), the other arc-shaped through hole (816) and the other second support through hole (117), and the needle groove assembly (200), the handle assembly (800) and the support main body (110) are connected through the first supporting shaft clamping ring (879).

10. The clinch stapler of claim 1,

the push pin component (300) comprises a push pin body (310), a push pin long shaft (320), a push pin spring (330) and a gasket (340); the needle pusher body (310) is in an inverted U shape;

a push needle spring (330) is sleeved on the push needle long shaft (320), one end of the push needle long shaft (320) is fixedly connected with the bottom surface of the needle pusher main body (310), and a gasket (340) is arranged at the bottom of the other end of the push needle long shaft (320); one end of the push pin spring (330) is fixedly connected with the bottom surface of the needle pusher main body (310) by means of a push pin long shaft (320), and the other end of the push pin spring (330) is fixedly pressed at the bottom of the needle long shaft (320) by means of a gasket (340); the bottom surface of the inverted U-shaped needle pusher body (310) is movably sleeved on the inner needle groove (210), and the head of the long shaft (320) of the push needle is used for propping against a staple;

two downward needle pushing shaft fixing pieces are arranged on the bottom surface of the needle device main body (310), and needle pushing shaft fixing holes are formed in the needle pushing shaft fixing pieces; the head of the push pin long shaft (320) sequentially passes through the two push pin shaft fixing holes on the bottom surface of the needle pusher main body (310), then the head of the push pin long shaft (320) is deformed, and the push pin long shaft (320) is fixedly connected with the needle pusher main body (310) through the two push pin shaft fixing holes.

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