CN114191019A

CN114191019A - Prevent electronic anastomat executive component and electronic anastomat of excessive oppression

Info

Publication number: CN114191019A
Application number: CN202111508812.3A
Authority: CN
Inventors: 陆坚; 陈飞
Original assignee: Suzhou Beinuo Medical Instruments Co Ltd
Current assignee: Suzhou Beinuo Medical Instruments Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-03-18
Anticipated expiration: 2041-12-10
Also published as: CN114191019B

Abstract

The invention relates to the technical field of anastomats, and discloses an electric anastomat execution assembly capable of preventing excessive compression and an electric anastomat. According to the invention, the pressure measuring spring is arranged between the nail anvil and the nail abutting seat and is matched with the self-locking assembly, so that the nail anvil and the self-locking assembly are clamped after the deformation of the pressure measuring spring reaches a set threshold value, thus stable pressure application and fixation of tissues with different thicknesses are realized, the problems of tissue bleeding and tissue damage under the conditions of unstable fixation and the like caused by excessive tissue squeezing or insufficient clamping force due to the difference between the actual thickness and the estimated thickness of the tissues are avoided, and the condition of increasing the difficulty of tissue healing caused by the problems is avoided.

Description

Prevent electronic anastomat executive component and electronic anastomat of excessive oppression

Technical Field

The invention relates to the technical field of anastomats, in particular to an electric anastomat executing assembly capable of preventing excessive compression and an electric anastomat.

Background

The thickness difference of each tissue of the human body is large, and the tissues of the same type also have difference, if the same compression thickness is adopted, the excessive thick tissues are necessarily squeezed excessively, but the thinner tissues are not squeezed enough, and the two states can cause bleeding at the anastomotic part.

Generally, when suturing, the thickness of the tissue is estimated, but the estimated value is different from the actual value, and when extrusion suturing is carried out, the difference value can cause unstable tissue fixation or excessive clamping, so that excessive tissue extrusion causes tissue bleeding and wound injury, and the difficulty in tissue healing is increased;

meanwhile, during suturing, the tissue tension on two sides of the suturing position of the nail bin seat is increased, so that the nail bin retreats to cause the clamping force to be loose, the tissue is displaced, the suturing deviation is caused, and the healing of the wound is not facilitated.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the electric anastomat executing assembly for preventing excessive compression and the electric anastomat, which have the advantages of stably clamping tissues with different thicknesses, overcoming the problem of deviation of a suture position caused by tissue tension and the like, and solving the problems of excessive tissue squeezing caused by the difference between a predicted value and an actual value of the tissue thickness, the deviation of the suture caused by the tissue tension and the like.

(II) technical scheme

In order to solve the technical problems of excessive tissue squeezing caused by the difference between the predicted value and the actual value of the tissue thickness, suture offset caused by tissue tension and the like, the invention provides the following technical scheme:

the utility model provides an prevent electronic anastomat executive component of excessive oppression, includes to nail seat, handle casing and nail storehouse seat, support nail seat and handle casing fixed mounting, support the nail seat and seted up the cavity, install the auto-lock subassembly in the cavity, one side of supporting the nail seat is provided with the nail anvil, the nail anvil sets up with elastic contraction's mode one side of supporting the nail seat, the nail anvil with support and be provided with the pressure spring between the nail seat, the nail anvil extends to in the cavity, the nail anvil shrink is with the extrusion the pressure spring the deformation volume of pressure spring reaches after setting for the threshold value the nail anvil with auto-lock subassembly looks joint.

Preferably: the self-locking assembly comprises a self-locking column and a self-locking hole formed in the lower surface of the nail anvil, the self-locking column penetrates through and is connected with a self-locking frame in a sliding mode, the self-locking column is arranged in a bias state on the self-locking frame, the upper surface of the self-locking frame is in contact with the lower surface of the nail anvil, when the nail anvil is extruded, the self-locking column is fired and clamped with the self-locking hole after the deformation of the pressure measuring spring reaches a set threshold value and the bias state.

Preferably: the lower extreme of auto-lock post runs through and rotates and is provided with the spring holder, the last fixed surface of spring holder installs the percussion spring and is used for the percussion of auto-lock post, the one end fixed mounting of percussion spring be in the lower surface middle part of auto-lock frame, just the percussion spring with the auto-lock post is with the axle center.

Preferably: an opening is formed in one side of the spring seat, a limiting strip is connected to the opening in a sliding mode, and the limiting strip is fixedly installed in the middle of one side of the lower surface of the self-locking frame.

Preferably: inclined planes are arranged on two opposite sides of the upper end of the self-locking column, vertical planes are arranged on the other two sides of the upper end of the self-locking column, the inclined planes and the two vertical planes are 90 degrees in arrangement, the vertical planes are used for clamping the nail anvil after the self-locking column is triggered, and the inclined planes are used for relieving the clamping of the nail anvil by the self-locking column.

Preferably: the lower surface of the self-locking column is fixedly provided with a reversing adjusting shaft, and the reversing adjusting shaft is fixedly provided with reversing teeth;

the lower fixed surface of nail storehouse seat installs the connecting block, the connecting block extend to in the cavity and with support the upper surface sliding connection of nail seat, the connecting block is located one end fixed mounting in the cavity has the reset frame, the one end of reset frame is provided with the rack that resets, the rack that resets be in from after the lock post percussion with the meshing of switching-over tooth makes when nail storehouse seat resets the drive from the upper end of lock post vertical plane arrives the switching on inclined plane.

Preferably: the reset device is characterized by further comprising a hinged frame, the hinged frame is rotatably connected with a clamping hook, the upper surface of one end of the clamping hook is provided with a first electromagnet, the top of the cavity is fixedly provided with a second electromagnet corresponding to the first electromagnet, and the upper surface of the reset frame is provided with a plurality of hook rings corresponding to the clamping hook; torsional spring grooves are formed in the two sides of the clamping hook, torsional springs are fixedly mounted in the torsional spring grooves, and one ends of the torsional springs are fixedly mounted on the inner sides of the hinged frames.

Preferably: support one side of nail seat and seted up and accomodate the groove, the nail anvil runs through accomodate the groove and extend to in the cavity, the equal fixed mounting in one side upper portion and the lower part of nail anvil has the mounting panel, the mounting panel runs through and sliding connection has the guide post, the guide post is seted up the both sides of cavity, the both ends of pressure spring set up respectively one side of cavity with one side of mounting panel, just the pressure spring with the axle center setting of guide post.

Preferably: the nail anvil is clamped with the self-locking assembly, the circuit of the warning lamp is communicated and the driving device stops providing driving power for driving the nail abutting seat to move forwards through the contact of the electrode grooves and the electrode plates.

In another aspect, a powered stapler is provided that includes a powered stapler-actuating assembly as described above that prevents over-compression.

(III) advantageous effects

Compared with the prior art, the invention provides an electric anastomat executing assembly for preventing excessive compression, which has the following beneficial effects:

1. the invention extrudes the tissue through the nail bin base and drives the nail anvil to contract on the nail abutting base, so that the pressure measuring spring deforms, the deformation quantity of the extrusion spring changes along with the continuous operation of the driving device, when the deformation quantity reaches a set threshold value, certain elastic force of the extrusion spring under the deformation quantity is exerted on the nail anvil in a reverse mode, the nail anvil applies force equal to the elastic force to the tissue, the fixation of the tissue is completed by matching the nail bin on the nail bin base, meanwhile, the nail anvil is clamped with the self-locking assembly after the deformation quantity of the pressure measuring spring reaches the set threshold value, the circuit of the warning lamp is communicated to achieve the warning effect on an operator, the clamping completion of multiple tissues of the operator is reminded, the driving device stops providing power for driving the nail abutting base to move forwards, and stable pressure fixing can be performed on the tissues with different thicknesses, the problem of tissue hemorrhage and damage under the condition of unstable fixation and the like caused by excessive tissue squeezing or insufficient clamping force due to the difference between the actual thickness and the estimated thickness of the tissue is avoided, and the condition of increasing the difficulty of tissue healing caused by the problem is avoided.

2. According to the invention, in the process of locking the nail anvil, the hook is clamped with the hook ring under the action of the torsion spring, when the nail anvil is locked, the hook ring finally clamped with the hook is used for locking the nail bin seat, so that the situation that the nail bin is retreated to cause loosening of clamping force due to increased tissue tension on two sides of a sewing part on the nail bin seat during sewing, the tissue is displaced to cause deviation of sewing, and the wound is not healed conveniently is avoided.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is one of the partial block diagrams of the present invention;

FIG. 3 is a partial exploded view of the present invention;

FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;

FIG. 5 is a schematic view of a latching position of the self-locking assembly according to the present invention;

FIG. 6 is a second view of the latching position of the self-locking assembly of the present invention;

FIG. 7 is a block diagram of the self-locking assembly of the present invention;

FIG. 8 is a view of the self-locking post of the present invention;

FIG. 9 is a second partial block diagram of the present invention;

FIG. 10 is an enlarged view of the invention at B of FIG. 9;

fig. 11 is a schematic sectional view of a hook mounting structure of the present invention.

In the figure: 1. a nail abutting seat; 2. a handle housing; 3. a cavity; 4. a nail anvil; 5. a pressure measuring spring; 6. a receiving groove; 7. mounting a plate; 8. a guide post; 9. a self-locking post; 10. self-locking holes; 11. a self-locking frame; 12. a spring seat; 13. a firing spring; 14. opening the gap; 15. a limiting strip; 16. a warning light; 17. a nail magazine base; 18. a reversing adjustment shaft; 19. a reversing tooth; 20. connecting blocks; 21. a reset frame; 22. resetting the rack; 23. a hinged frame; 24. a hook is clamped; 25. an electromagnet I; 26. an electromagnet II; 27. hooking a ring; 28. a torsion spring groove; 29. a torsion spring; 30. an electrode tank; 31. an electrode sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As described in the background of the invention, the prior art is not satisfactory, and in order to solve the above technical problems, the present application proposes a motorized stapler actuating assembly for preventing excessive compression.

The first embodiment is as follows:

referring to fig. 1-10, an electric stapler executing assembly for preventing over-compression and an electric stapler including the same, wherein, the electric anastomat executing component comprises a nail abutting seat 1, a handle shell 2, a nail bin seat 17 and a driving device, the nail abutting seat 1 and the handle shell 2 are fixedly arranged, the driving device is used for driving the nail bin seat 17 to move, the handle shell 2 is provided with a warning light 16, the nail abutting seat 1 is provided with a cavity 3, a self-locking component is arranged in the cavity 3, one side of the nail abutting seat 1 is provided with a nail anvil 4, the nail anvil 4 is arranged on one side of the nail abutting seat 1 in an elastic contraction mode, a pressure measuring spring 5 is arranged between the nail anvil 4 and the nail abutting seat 1, the nail anvil 4 extends into the cavity 3, the nail anvil 4 contracts to extrude the pressure measuring spring 5, after the deformation amount of the pressure measuring spring 5 reaches a set threshold value, the nail anvil 4 is clamped with the self-locking assembly;

the nail anvil 4 is clamped with the self-locking component to enable the circuit of the warning light 16 to be communicated and enable the driving device to stop providing power for driving the nail abutting seat 1 to move forwards.

The driving device drives the nail bin seat 17 and the nail bin on the nail bin seat 17 to extrude towards tissues, so that the tissues are abutted to the nail anvil 4, along with the continuous movement of the nail bin seat 17, the nail bin seat 17 extrudes the tissues and drives the nail anvil 4 to contract on the nail abutting seat 1, so that the pressure measuring spring 5 deforms, along with the continuous operation of the driving device, the deformation quantity of the pressure measuring spring 5 changes, so that after the deformation quantity reaches a set threshold value, certain elastic force of the pressure measuring spring 5 under the deformation quantity is exerted on the nail anvil 4 in a reaction manner, so that the nail anvil 4 exerts force equal to the elastic force on the tissues, and the nail bin on the nail bin seat 17 is matched to finish the fixation of the tissues;

simultaneously when the deformation of the pressure measuring spring 5 reaches a set threshold value, the nail anvil 4 is clamped with the self-locking component, so that the circuit of the warning lamp 16 is communicated to achieve the warning effect on an operator, the operator is reminded of finishing the clamping of multiple tissues, and the driving device stops providing driving power for forward movement of the nail abutting seat 1.

When this mode satisfies the tissue of different thickness and fixes, as long as the deformation volume of extrusion spring 5 reaches and sets for the threshold value after, the extrusion force that is used for fixing that the tissue received is just stable to this scheme can carry out stable the fixed of exerting pressure to the tissue of different thickness, has avoided the difference of tissue actual thickness and estimate thickness to lead to the tissue to squeeze excessively or the clamp force is not enough to cause the problem of the tissue hemorrhage and the damage under the circumstances such as fixed unstability, has avoided the condition of the degree of difficulty that increases the tissue healing that above-mentioned problem caused.

Further, an electrode groove 30 is formed in the middle of the upper surface of the self-locking column, an electrode plate 31 corresponding to the electrode groove 30 is fixedly installed in the middle of the self-locking hole 10, and the driving device stops providing power for driving the nail abutting seat 1 to move forward refers to:

the driving device adopts a positive and negative rotation motor to drive the screw rod to rotate, the screw rod is in threaded connection with a rod sleeve, the rod sleeve is fixed on the nail bin seat 17, the motor rotates positively to enable the combined length of the screw rod and the rod sleeve to be lengthened, so that the nail bin seat 17 is driven to move forwards, when the nail anvil 4 is clamped with the self-locking component, the electrode groove 30 is in contact with the electrode plate 31 to enable a circuit of the warning lamp to be communicated, meanwhile, the circuit of the motor rotating positively is enabled to be invalid, only reverse rotation driving can be carried out, namely, the state can only drive the nail bin seat 17 to reset.

Furthermore, one side of the nail abutting seat 1 is provided with a containing groove 6, the nail anvil 4 penetrates through the containing groove 6 and extends into the cavity 3, one side of the nail anvil 4 is in a shape of a square, the upper part and the lower part of one side of the nail anvil 4 are both fixedly provided with a mounting plate 7, the mounting plate 7 penetrates through and is connected with a guide post 8 in a sliding manner, the guide posts 8 are arranged on two sides of the cavity 3, two ends of the pressure measuring spring 5 are respectively arranged on one side of the cavity 3 and one side of the mounting plate 7, and the pressure measuring spring 5 and the guide post 8 are coaxially arranged;

the self-locking assembly comprises a self-locking column 9 and a self-locking hole 10 formed in the lower surface of the nail anvil 4, the self-locking column 9 penetrates through and is connected with a self-locking frame 11 in a sliding mode, the self-locking column 9 is arranged on the self-locking frame 11 in a bias state, the upper surface of the self-locking column is in contact with the lower surface of the nail anvil 4, and when the nail anvil 4 extrudes the pressure measuring spring 5, the self-locking column 9 in the bias state is triggered and clamped with the self-locking hole 10 after the deformation of the pressure measuring spring 5 reaches a set threshold value;

therefore, the nail anvil 4 is driven to deform by the pressure measuring spring 5 after being subjected to extrusion force, so that the nail anvil 4 is contracted towards the accommodating groove 6, the self-locking column 9 is in a force accumulation state before being clamped with the self-locking hole 10, when the deformation amount of the pressure measuring spring 5 reaches a set threshold value, namely the self-locking column 9 corresponds to the self-locking hole 10, the self-locking column 9 in a bias state is released from limitation, and then the percussion is realized, and the purpose that the self-locking column 9 is clamped with the self-locking hole 10 is achieved.

Further, a spring seat 12 is arranged at the lower end of the self-locking column 9 in a penetrating and rotating manner, a firing spring 13 is fixedly installed on the upper surface of the spring seat 12 and used for firing the self-locking column 9, one end of the firing spring 13 is fixedly installed in the middle of the lower surface of the self-locking frame 11, and the firing spring 13 and the self-locking column 9 are coaxial;

a notch 14 is formed in one side of the spring seat 12, the notch 14 is connected with a limiting strip 15 in a sliding mode, and the limiting strip 15 is fixedly installed in the middle of one side of the lower surface of the self-locking frame 11;

the triggering spring 13 is in a stretching state before the self-locking column 9 is clamped with the self-locking hole 10, so that the self-locking column 9 has an upward pulling force, the self-locking column 9 has an upward triggering trend, namely, the self-locking column 9 is in a bias state, when the self-locking column 9 corresponds to the self-locking hole 10, the self-locking column 9 is limited in contact, triggering is realized under the action of the upward pulling force of the triggering spring 13, and the clamping connection of the self-locking column 9 and the self-locking hole 10 is completed. Opening 14 and spacing strip 15 can effectually ensure that spring holder 12 under the effect of percussion spring 13 under the circumstances of the drive from the percussion of lock post 9, avoid percussion spring 13 to take place the wrench movement, and change the percussion dynamics, have ensured the smooth use of percussion spring 13 to a certain extent.

Furthermore, two opposite sides of the upper end of the self-locking column 9 are provided with inclined planes, the other two sides are provided with vertical planes, the two inclined planes and the two locking vertical planes are arranged at 90 degrees, the vertical planes are used for clamping the nail anvil 4 after the self-locking column 9 is triggered, and the inclined planes are used for releasing the clamping of the nail anvil 4 by the self-locking column 9;

the clamping principle and the clamping releasing principle are as follows:

after the self-locking column 9 is triggered, the self-locking column 9 is clamped with the self-locking hole 10, two vertical planes of the self-locking column 9 are perpendicular to the moving direction of the nail anvil 4, when the clamping needs to be removed, the self-locking column 9 is rotated by 90 degrees, the two vertical planes are parallel to the moving direction of the nail anvil 4, the self-locking hole 10 applies force to the inclined plane under the elastic action of the compressed pressure measuring spring 5, so that the self-locking column is reset downwards to be separated from the self-locking hole 10, and the resetting of the self-locking column 9 and the locking of the nail anvil 4 are completed.

A reversing adjusting shaft 18 is fixedly arranged on the lower surface of the self-locking column 9, and reversing teeth 19 are fixedly arranged on the reversing adjusting shaft 18;

the lower fixed surface of nail storehouse seat 17 installs connecting block 20, connecting block 20 extend to in the cavity 3 and with support the upper surface sliding connection of nail seat 1, connecting block 20 is located one end fixed mounting in the cavity 3 has reset frame 21, the one end of reset frame 21 is provided with reset rack 22, reset rack 22 is in from lock post 9 after the percussion with 19 meshing of switching-over teeth make when nail storehouse seat 17 resets drive from the upper end of lock post 9 vertical plane arrives the switching on inclined plane.

Therefore, in the process that the nail bin seat 17 carries the nail bin to extrude tissues to lock the nail bin 4, when the nail bin 4 is locked, the reversing teeth 19 move upwards along with the self-locking column 9 to complete the meshing with the reset rack 22, and after the suturing is completed, when the nail bin seat 17 resets, the reset rack 22 resets to drive the reversing teeth 19 to rotate, so that the self-locking column 9 is driven to rotate, and the conversion from a vertical plane on the self-locking column 9 to an inclined plane is further achieved.

The working principle is as follows:

when tissue is sutured, the tissue is placed between the nail bin and the nail anvil on the nail bin seat; the nail bin is driven by the driving device to extrude the tissue to enable the tissue to be abutted against the nail anvil, the nail bin seat extrudes the tissue and drives the nail anvil to contract on the nail abutting seat along with the continuous movement of the nail bin seat, thereby causing the deformation of the pressure measuring spring, changing the deformation of the extrusion spring along with the continuous operation of the driving device, so that when the deformation reaches the set threshold, the extrusion spring has certain elasticity under the deformation, the elastic force is reacted on the nail anvil to enable the nail anvil to apply force equal to the elastic force to the tissue so as to complete the fixation of the tissue by matching with the nail bin on the nail bin seat, after the deformation of the pressure measuring spring reaches a set threshold value, the nail anvil is clamped with the self-locking assembly, so that a circuit of the warning lamp is communicated to achieve the warning effect on an operator, the operator is reminded of finishing clamping of multiple tissues, and the driving device stops providing driving power for driving the nail abutting seat to move forwards.

Example two:

based on the first embodiment, referring to fig. 10 and 11, the portable electronic device further comprises an articulated frame 23, the articulated frame 23 is rotatably connected with a first hook 24, a first electromagnet 25 is arranged on the upper surface of one end of the first hook 24, a second electromagnet 26 corresponding to the first electromagnet 25 is fixedly installed at the top of the cavity 3, and a plurality of hook rings 27 corresponding to the first hook 24 are arranged on the upper surface of the reset frame 21.

Torsion spring grooves 28 have all been seted up to trip 24's both sides, fixed mounting has torsional spring 29 in the torsion spring groove 28, the one end fixed mounting of torsional spring 29 is in the inboard of articulated frame 23.

Therefore, in the process of locking the nail anvil 4, the hook 24 is clamped with the hook ring 27 under the action of the torsion spring 29, when the nail anvil 4 is locked, the hook ring 27 finally clamped with the hook 24 is used for locking the nail bin seat 17, so that the situation that the nail bin is retreated due to the fact that the tissue tension on two sides of the sewing part of the nail bin seat is increased during sewing, the clamping force is loosened, the tissue is displaced, the sewing deviation occurs, and the wound healing is not facilitated is avoided; when resetting is needed, the first electromagnet 25 and the second electromagnet 26 are electrified, so that the first electromagnet and the second electromagnet are mutually repelled, and the hook 24 is separated from the hook ring 27 by utilizing the lever principle, so that the nail bin seat 17 is locked in a contact manner.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An electric anastomat executing component for preventing over-compression is characterized by comprising a nail abutting seat (1), a handle shell (2) and a nail bin seat (17), the nail abutting seat (1) is fixedly installed with the handle shell (2), the nail abutting seat (1) is provided with a cavity (3), a self-locking component is arranged in the cavity (3), one side of the nail abutting seat (1) is provided with a nail anvil (4), the nail anvil (4) is arranged on one side of the nail abutting seat (1) in an elastic contraction mode, a pressure measuring spring (5) is arranged between the nail anvil (4) and the nail abutting seat (1), the nail anvil (4) extends into the cavity (3), the nail anvil (4) contracts to extrude the pressure measuring spring (5), and after the deformation amount of the pressure measuring spring (5) reaches a set threshold value, the nail anvil (4) is clamped with the self-locking assembly.

2. The motorized stapler-actuating assembly for preventing over-compression according to claim 1, wherein: the method is characterized in that: the auto-lock subassembly includes from lock post (9) and sets up nail anvil (4) lower surface from lockhole (10), run through and sliding connection has from lock frame (11) from lock post (9), just from lock post (9) set up with biasing state from lock frame (11) and make the upper surface with the lower surface of nail anvil (4) contacts, works as nail anvil (4) extrusion during pressure measurement spring (5) the deformation volume of pressure measurement spring (5) reaches after setting for the threshold value, biasing state from lock post (9) percussion and with from lockhole (10) looks joint.

3. The motorized stapler-actuating assembly for preventing over-compression according to claim 2, wherein: the lower extreme of self-locking post (9) runs through and rotates and is provided with spring holder (12), the last fixed surface of spring holder (12) installs firing spring (13) and is used for the percussion of self-locking post (9), the one end fixed mounting of firing spring (13) is in the lower surface middle part of self-locking frame (11), just firing spring (13) with self-locking post (9) are with the axle center.

4. A motorized stapler-actuating assembly to prevent over-compression according to claim 3, wherein: an opening (14) is formed in one side of the spring seat (12), a limiting strip (15) is connected to the opening (14) in a sliding mode, and the limiting strip (15) is fixedly installed in the middle of one side of the lower surface of the self-locking frame (11).

5. The motorized stapler-actuating assembly for preventing over-compression according to claim 4, wherein: inclined planes are arranged on two opposite sides of the upper end of the self-locking column (9), vertical planes are arranged on two opposite sides of the upper end of the self-locking column (9), the inclined planes and the two vertical planes are 90 degrees in arrangement after being locked, the vertical planes are used for being locked after the self-locking column (9) is fired, the nail anvil (4) is connected in a clamping mode, and the inclined planes are used for removing the clamping of the nail anvil (4) due to the self-locking column (9).

6. The motorized stapler-actuating assembly for preventing over-compression according to claim 5, wherein: a reversing adjusting shaft (18) is fixedly mounted on the lower surface of the self-locking column (9), and reversing teeth (19) are fixedly mounted on the reversing adjusting shaft (18);

the lower fixed surface of nail storehouse seat (17) installs connecting block (20), connecting block (20) extend to in cavity (3) and with support the upper surface sliding connection of nail seat (1), connecting block (20) are located one end fixed mounting in cavity (3) has reset frame (21), the one end of reset frame (21) is provided with reset rack (22), reset rack (22) are in from lock post (9) after the percussion with switching-over tooth (19) meshing makes drive when nail storehouse seat (17) resets the upper end from lock post (9) vertical plane extremely the switching on inclined plane.

7. The motorized stapler-actuating assembly for preventing over-compression according to claim 6, wherein: the device is characterized by further comprising a hinge frame (23), wherein the hinge frame (23) is rotatably connected with a clamping hook (24), the upper surface of one end of the clamping hook (24) is provided with a first electromagnet (25), the top of the cavity (3) is fixedly provided with a second electromagnet (26) corresponding to the first electromagnet (25), and the upper surface of the reset frame (21) is provided with a plurality of hook rings (27) corresponding to the clamping hook (24); torsion spring groove (28) have all been seted up to the both sides of trip (24), fixed mounting has torsional spring (29) in torsion spring groove (28), the one end fixed mounting of torsional spring (29) is in the inboard of articulated frame (23).

8. The motorized stapler-actuating assembly for preventing over-compression according to claim 1, wherein: support one side of nail seat (1) and seted up and accomodate groove (6), nail anvil (4) run through accomodate groove (6) and extend to in cavity (3), the equal fixed mounting in one side upper portion and the lower part of nail anvil (4) has mounting panel (7), mounting panel (7) run through and sliding connection has guide post (8), guide post (8) are seted up the both sides of cavity (3), the both ends of meter pressure spring (5) set up respectively one side of cavity (3) with one side of mounting panel (7), just meter pressure spring (5) with guide post (8) set up with the axle center.

9. The motorized stapler-actuating assembly for preventing over-compression according to claim 2, wherein: still include drive arrangement, drive arrangement is used for the drive nail storehouse seat (17) motion, electrode slot (30) have been seted up at the upper surface middle part of self-locking post, the middle part fixed mounting from lockhole (10) have with electrode slice (31) that electrode slot (30) correspond, nail anvil (4) with self-locking subassembly looks joint makes through electrode slot (30) and electrode slice (31) contact the circuit intercommunication and the messenger of warning light (16) drive arrangement stops to provide the drive support the power of nail seat (1) forward motion.

10. A motorized stapler characterized by comprising a motorized stapler actuating assembly according to any one of claims 1-9 to prevent over-compression.