CN112536764B

CN112536764B - Power storage hardware hammer capable of assisting in installing self-tapping screws

Info

Publication number: CN112536764B
Application number: CN202110051183.XA
Authority: CN
Inventors: 高征昭
Original assignee: Guangzhou Zhaozhixiang Technology Co ltd
Current assignee: Linyi Jiaheng Hardware Tools Co.,Ltd.
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2022-11-25
Anticipated expiration: 2041-01-14
Also published as: CN112536764A

Abstract

The invention discloses a force-storage hardware hammer capable of assisting in installing a self-tapping screw, which comprises a hammer head, wherein a buffer cavity with a downward opening is arranged in the hammer head, a buffer sliding block is arranged in the buffer cavity in a vertically sliding manner, buffer springs are fixedly connected between the upper end surface of the buffer sliding block and the upper wall of the buffer cavity in a uniformly distributed manner, an iron block is fixedly arranged on the lower end surface of the buffer sliding block, a handle is fixedly arranged on the right end surface of the hammer head, a fixed base is fixedly arranged on the right end surface of the handle, and a rotating cavity with a rightward opening is arranged in the fixed base.

Description

Power storage hardware hammer capable of assisting in installing self-tapping screws

Technical Field

The invention relates to the related field of hardware, in particular to a power-storage hardware hammer capable of assisting in installing a self-tapping screw.

Background

In production life, a hammer is required to be used for knocking an object to move or deform the object, a common hammer has large reaction force due to no buffer when the hammer is used for knocking, the hand using the hammer is impacted, the knocking energy of the hammer is also greatly overflowed, if part of the energy can be collected and utilized, in addition, a self-tapping screw is used in occasions such as carpentry, and the self-tapping screw is manually screwed with great effort. The invention discloses a power storage hardware hammer capable of assisting in installing a tapping screw, which can solve the problems.

Disclosure of Invention

In order to solve the problems, the present embodiment designs a force-accumulating hardware hammer capable of assisting in installing a tapping screw, the force-accumulating hardware hammer capable of assisting in installing a tapping screw of the present embodiment comprises a hammer head, a buffer chamber with a downward opening is arranged in the hammer head, a buffer slider is arranged in the buffer chamber and can slide up and down, a buffer spring is fixedly connected between the upper end surface of the buffer slider and the upper wall of the buffer chamber and is uniformly distributed, an iron block is fixedly arranged on the lower end surface of the buffer slider, a handle is fixedly arranged on the right end surface of the hammer head, a fixed base is fixedly arranged on the right end surface of the handle, a rotating chamber with a right opening is arranged in the fixed base, an output rotating shaft is arranged in the left rotating wall of the rotating chamber, a screwdriver head is fixedly arranged on the right end surface of the output rotating shaft, a rotating chamber is arranged in the handle, the left end of the output rotating shaft extends to the inside of the rotating chamber and is fixedly provided with a rotating drum on the left end surface, the spiral thread groove with an outward opening is formed in the outer circular surface of the rotary drum, a pushing cavity is communicated with the upper side of the rotary drum cavity, a pulling column cavity with an upward opening is communicated with the left side of the upper wall of the pushing cavity, a pulling block I is arranged in the pulling column cavity in a vertically sliding manner, a moving guide rod is fixedly arranged on the lower end surface of the pulling block, a transmission slide block is connected to the outer side of the moving guide rod in a horizontally sliding manner, an output slide block is arranged in the rotary drum cavity in a horizontally sliding manner, a through cavity is arranged in the output slide block in a horizontally through manner, a spiral slide block capable of sliding in the thread groove is fixedly arranged on the upper side of the circular wall of the through cavity, a reset spring is fixedly connected between the left end surface of the output slide block and the left wall of the rotary drum cavity, a connecting slide cavity with a downward opening is formed in the transmission slide block, and a connecting column is arranged in the connecting slide cavity in a vertically sliding manner, terminal surface under the spliced pole with fixed connection between the output slider up end, it is equipped with the locking chamber to promote chamber left side intercommunication, it is equipped with the locking lever to slide between the wall before the locking chamber, the locking lever right-hand member face with transmission slider left end face fixed connection, evenly distributed's is fixed to be equipped with locking block one about the locking lever up end, locking chamber upper wall right side intercommunication is equipped with the ascending pivot spliced pole of opening, gliding pulling post about the pivot spliced pole internal energy.

Preferably, the circumferential wall of the rotating cavity is communicated with a driven rotating cavity, the driven rotating cavity is rotatably provided with a rotating ring, the rotating ring is internally provided with a rotating communicating cavity which is communicated with the left and right, the circumferential wall of the rotating communicating cavity is respectively provided with a clamping spring cavity which is communicated with the front, the back, the upper and the lower parts of the circumferential wall of the rotating communicating cavity, a fixed magnet is arranged in the clamping spring cavity in a sliding manner, and the fixed magnet is far away from the end face of the screwdriver head and the clamping spring cavity is far away from the clamping spring fixedly connected between the side walls of the screwdriver head.

But preferred, the handle up end just is in the fixed pulling piece two that is equipped with in pulling piece two, be equipped with the pulling piece chamber that link up from top to bottom in the pulling piece two, the pulling post can the pulling post slides from top to bottom in the chamber, the preceding back symmetry of terminal surface is fixed respectively and is equipped with the pivot spliced pole under the pulling post, both sides around the pivot spliced pole rotate between the pivot spliced pole and be connected with the locking pivot, the fixed locking piece two that is equipped with in disc outside the locking pivot, terminal surface just is in under the pulling post the fixed stopper that is equipped with in two left sides of locking piece, the stopper right-hand member face with two left end faces of locking piece offset, two right-hand member faces of locking piece can with a left end face of locking piece offsets, two right-hand member faces of locking piece with fixedly connected with locking spring between the terminal surface right side under the pulling post.

Preferably, the upper end face of the pulling column extends to the upper side of the pulling block, the upper end face of the pulling block is fixedly provided with a pulling plate, a pulling spring is fixedly connected between the lower end face of the pulling plate and the upper end face of the pulling block, and the upper end of the pulling block extends to the upper side of the handle, the upper end face of the pulling block and the right side of the lower end face of the pulling plate.

Preferably, a gear cavity is formed in the right side of the lower wall of the locking cavity in a communicating mode, a gear shaft is rotatably arranged between the front wall and the rear wall of the gear cavity, an input gear is fixedly arranged on the outer circular surface of the gear shaft, an input rack meshed with the input gear is fixedly arranged in the lower end face of the pulling column cavity, a transmission shaft is rotatably arranged in the left wall of the gear cavity, a driving bevel gear is fixedly arranged on the right end face of the transmission shaft, and a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the outer circular surface of the gear shaft and in front of the input gear.

But preferably, just in the handle gear chamber left side intercommunication is equipped with the ratchet chamber, and the transmission shaft left end of telling extends to the fixed outer ratchet that is equipped with on ratchet intracavity and the left end face, ratchet chamber left wall internal rotation is equipped with the power input shaft, fixed being equipped with on the power input shaft right-hand member face with the interior ratchet that outer ratchet unidirectional rotation connects, in the tup and the buffering chamber upside is equipped with the input slider chamber, the power input shaft left end extends to the input slider intracavity.

But preferably, the input slider intracavity can the horizontal slip be equipped with the input slider, the input slider with threaded connection between the power input shaft, input slider chamber left side intercommunication is equipped with the elevator slide chamber, the elevator slide intracavity can be gliding from top to bottom be equipped with the elevator slide, the elevator slide up end with hinged joint has the connecting rod between the input slider left end face, the buffer slide up end with fixedly connected with buffering spliced pole under the elevator slide between the terminal surface.

The invention has the beneficial effects that: the invention can accumulate part of energy during knocking to play a certain role in buffering, reduce the impact on the hand of a user, continuously accumulate and transmit the force of repeated knocking to the rotating mechanism through a smart structure, and then release the accumulated energy when the self-tapping screw needs to be installed, thereby assisting in screwing the self-tapping screw and playing a role in saving power.

Drawings

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

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is an enlarged schematic view of B in fig. 1.

Fig. 4 is an enlarged schematic view of C in fig. 1.

Fig. 5 is an enlarged schematic view of D in fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention relates to a power storage hardware hammer capable of assisting in installing a self-tapping screw, which comprises a hammer head 11, wherein a buffer cavity 12 with a downward opening is arranged in the hammer head 11, a buffer slide block 13 is arranged in the buffer cavity 12 in a vertically sliding manner, buffer springs 23 are fixedly connected between the upper end surface of the buffer slide block 13 and the upper wall of the buffer cavity 12 in a uniformly distributed manner, an iron block 14 is fixedly arranged on the lower end surface of the buffer slide block 13, a handle 15 is fixedly arranged on the right end surface of the hammer head 11, a fixed base 16 is fixedly arranged on the right end surface of the handle 15, a rotating cavity 59 with a rightward opening is arranged in the fixed base 16, an output rotating shaft 18 is rotatably arranged in the left wall of the rotating cavity 59, a screwdriver head 60 is fixedly arranged on the right end surface of the output rotating shaft 18, a rotating cylinder cavity 17 is arranged in the handle 15, the left end of the output rotating shaft 18 extends into the rotating cylinder cavity 17, and a rotating cylinder 19 is fixedly arranged on the left end surface, be equipped with the thread groove 20 of the outside spiral of opening on the rotary drum 19 excircle, rotary drum chamber 17 upside intercommunication is equipped with and promotes chamber 21, it is equipped with the ascending pulling post chamber 72 of opening to promote chamber 21 upper wall left side intercommunication, the gliding pulling piece 52 that is equipped with from top to bottom in pulling post chamber 72, the fixed removal guide arm 22 that is equipped with on the terminal surface under the pulling piece 52, the outside ability horizontal slip of removal guide arm 22 is connected with transmission slider 47, the horizontal slip of being equipped with in rotary drum chamber 17 is equipped with output slider 42, it is equipped with through chamber 43 to link up about in the output slider 42, it can be in to link up the fixed spiral slider 44 that is equipped with on the circumference wall upside of chamber 43 in the gliding thread groove 20, output slider 42 left end face with fixedly connected with reset spring 34 between the rotary drum chamber 17 left wall, be equipped with the connection sliding chamber 46 that the opening is decurrent in the transmission slider 47, connect gliding spliced pole 45 about 46 internal energy of slip chamber, spliced pole 45 down the terminal surface with fixed connection between the output slider 42 up end, it is equipped with locking chamber 49 to promote chamber 21 left side intercommunication, it is equipped with locking lever 50 to slide between the preceding back wall in locking chamber 49, locking lever 50 right-hand member face with transmission slider 47 left end face fixed connection, evenly distributed's fixed locking piece 51 about locking lever 50 up end, 49 upper wall right side intercommunication in locking chamber is equipped with ascending pivot spliced pole 67 of opening, gliding pulling post 56 that is equipped with about pivot spliced pole 67 internal energy.

Beneficially, a driven rotating cavity 61 is communicated with a circumferential wall of the rotating cavity 59, a rotating ring 62 is rotationally arranged in the driven rotating cavity 61, a rotating communicating cavity 63 is formed in the rotating ring 62 in a left-right through manner, clamping spring cavities 64 are respectively communicated with the circumferential wall of the rotating communicating cavity 63 from front to back and from top to bottom, a fixed magnet 66 is slidably arranged in the clamping spring cavities 64, and a clamping spring 65 is fixedly connected between an end face of the fixed magnet 66 far away from the screwdriver head 60 and an end face of the clamping spring cavity 64 far away from the screwdriver head 60.

Beneficially, handle 15 up end and pulling the fixed pulling block two 58 that is equipped with in pulling post chamber 72 left side, be equipped with pulling post chamber 55 that link up from top to bottom in pulling block two 58, pulling post 56 can slide from top to bottom in pulling post chamber 55, the symmetry is fixed respectively around the pulling post 56 lower terminal surface is equipped with pivot spliced pole 67, both sides around the pivot spliced pole 67 between the rotation is connected with the locking pivot 68, the fixed locking block two 70 that is equipped with of disc outside the locking pivot 68, the terminal surface just is in under the pulling post 56 the fixed stopper 69 that is equipped with in locking block two 70 left side, stopper 69 right-hand member face with locking block two 70 left end face offsets, locking block two 70 right-hand member face can with locking block one 51 left end face offsets, locking block two 70 right-hand member faces with fixedly connected with locking spring 71 between the terminal surface right side under the pulling post 56.

Advantageously, the upper end surface of the pull post 56 extends to the upper side of the second pull block 58, the upper end surface of the pull post is fixedly provided with a pull plate 54, a pull spring 57 is fixedly connected between the lower end surface of the pull plate 54 and the upper end surface of the second pull block 58, the upper end of the first pull block 52 extends to the upper side of the handle 15, and a pull spring 53 is fixedly connected between the upper end surface of the first pull block and the right side of the lower end surface of the pull plate 54.

Beneficially, a gear cavity 29 is communicated with the right side of the lower wall of the locking cavity 49, a gear shaft 31 is rotatably arranged between the front wall and the rear wall of the gear cavity 29, an input gear 33 is fixedly arranged on the outer circular surface of the gear shaft 31, an input rack 35 meshed with the input gear 33 is fixedly arranged in the lower end surface of the pulling column cavity 55, a transmission shaft 28 is rotatably arranged in the left wall of the gear cavity 29, a driving bevel gear 30 is fixedly arranged on the right end surface of the transmission shaft 28, and a driven bevel gear 32 meshed with the driving bevel gear 30 is fixedly arranged on the outer circular surface of the gear shaft 31 and in front of the input gear 33.

Beneficially, in the handle 15 and on the left side of the gear cavity 29 intercommunication be equipped with ratchet cavity 25, the transmission shaft 28 left end of telling extend to in the ratchet cavity 25 and the left end face on the fixed outer ratchet 27 that is equipped with, ratchet cavity 25 left wall internal rotation is equipped with power input shaft 24, power input shaft 24 right end face on the fixed inner ratchet 26 that is equipped with outer ratchet 27 unidirectional rotation is connected, in the tup 11 and on the buffer cavity 12 upside be equipped with input slider cavity 40, power input shaft 24 left end extend to in the input slider cavity 40.

Beneficially, an input slider 41 is arranged in the input slider cavity 40 and can slide left and right, the input slider 41 is in threaded connection with the power input shaft 24, a lifting slider cavity 37 is communicated with the left side of the input slider cavity 40, a lifting slider 38 is arranged in the lifting slider cavity 37 and can slide up and down, a connecting rod 39 is connected between the upper end face of the lifting slider 38 and the left end face of the input slider 41 through a hinge, and a buffer connecting column 36 is fixedly connected between the upper end face of the buffer slider 13 and the lower end face of the lifting slider 38.

The use steps herein are described in detail below with reference to fig. 1-5:

in the initial state, the buffer slider 13 is located at the lower limit position, the input slider 41 is located at the left limit position, the lock lever 50 is located at the left limit position, the pull column 56 is located at the lower limit position, the second lock block 70 is in the vertical state, the right end face of the second lock block abuts against the left end face of the rightmost first lock block 51, and the output slider 42 is located at the left limit position.

In operation, the handle 15 is held and swung, a nail or the like is knocked by the iron block 14, during knocking, the iron block 14 is driven to move upwards and drive the buffer slide 13 to move upwards to the upper limit position by the action of inertia, the buffer spring 23 is further compressed, the buffer connecting column 36 is further driven to move upwards and drive the lifting slide 38 to move upwards, the connecting rod 39 is further driven to swing and drive the input slide 41 to move rightwards by the hinge connection, the power input shaft 24 is further driven to rotate by the old thread connection, the inner ratchet 26 is further driven to rotate, the inner ratchet 26 can drive the outer ratchet 27 to rotate, the transmission shaft 28 is further driven to rotate and drive the drive bevel gear 30 to rotate, the driven bevel gear 32 is further driven to rotate by gear meshing and drive the gear shaft 31 to rotate, the input gear 33 is further driven to rotate and drive the input rack 35 to move rightwards by gear-rack meshing, the locking rod 50 is driven to move rightwards, the locking block I51 moves rightwards from the right side to the right side and is abutted against the left end face of the locking block II 70, the locking block II 70 is driven to move rightwards, the locking rotating shaft 68 is driven to rotate, the locking spring 71 is further compressed, then the locking block I51 moves rightwards to the right side of the locking block II 70, the locking block II 70 swings downwards clockwise due to the elastic force of the locking spring 71, the locking block II 70 rotates until the left end face is abutted against the right end face of the limiting block 69, meanwhile, the locking rod 50 moves rightwards, the transmission slide block 47 moves rightwards and drives the transmission slide block 47 to move rightwards, the connecting column 45 is driven to move rightwards, the output slide block 42 is driven to move rightwards, the reset spring 34 is stretched, the spiral slide block 44 is driven to move rightwards, and the rotary drum 19 is driven to rotate through the thread groove 20, then the iron block 14 leaves the object to be knocked, the buffer slide block 13 is driven to move downwards by the elastic force of the buffer spring 23 and drives the iron block 14 to move downwards, and further drives the buffer connecting column 36 to move downwards and drives the lifting slide block 38 to move downwards, and further drives the connecting rod 39 to swing through the hinge connection and drives the input slide block 41 to move leftwards through the hinge connection, and further drives the power input shaft 24 to rotate reversely through the threaded connection and further drives the inner ratchet 26 to rotate, at this time, the inner ratchet 26 cannot drive the outer ratchet 27 to rotate, and simultaneously drives the output slide block 42 to move leftwards and drives the connecting column 45 to move leftwards by the elastic force of the return spring 34, and further drives the transmission slide block 47 to move leftwards and drives the locking rod 50 to move leftwards, and further drives the locking block one 51 to move leftwards, so that the left end face of a plurality of second locking blocks one 51 abuts against the right end face of the locking block two 70 and stops moving, repeating the beating until the output slide block 42 moves to the right limit position, then when the tapping screw needs to be screwed, putting the grooved end of the tapping screw between the rotary communicating cavities 63, clamping the screwdriver bit 60 into the screw groove, moving the fixed magnet 66 towards the screwdriver bit 60 due to magnetic force and stretching the clamping spring 65, thereby fixing the tapping screw, then pulling the pull plate 54 upwards, further driving the pull column 56 to move upwards and stretching the pull spring 57, further driving the pull spring 53 to move upwards and driving the pull block 52 to move upwards, further driving the moving guide rod 22 to move upwards and driving the transmission slide block 47 to move upwards and driving the locking rod 50 to move upwards, further driving the input rack 35 to move upwards to disengage from the input gear 33, and then pulling the column 56 to move upwards continuously, then, the upper end surface of the transmission slide 47 abuts against the upper wall of the push cavity 21, and the transmission slide 47 stops moving upward, the moving guide rod 22 stops moving upward, the first pulling block 52 stops moving upward, the second pulling block 54 moves upward to stretch the pulling spring 53, and the pulling post 56 moves upward to drive the connecting post 67 to move upward and drive the locking rotating shaft 68 to move upward, and further drive the second locking block 70 to move upward to disengage the right end surface of the second locking block 70 from the left end surface of the first locking block 51, and the first locking block 51 is out of the block, at this time, the output slide 42 is driven to move leftward and drive the spiral slide 44 to move leftward by the elastic force of the return spring 34, and further drive the rotary drum 19 to rotate through the thread groove 20, and further drive the output rotary shaft 18 to rotate and drive the bit 60 to rotate, thereby driving the tapping screw to rotate, further drive the fixed magnet 66 to rotate around the output rotary shaft 18 and drive the clamping spring 65 to rotate around the output rotary shaft 18, and further drive the rotary ring 62 to rotate around the output rotary shaft 18, thereby screwing the tapping screw, thereby moving the locking rod 50 to move leftward to the left to the limit position, and then release the pulling post 57 to move downward.

The beneficial effects of the invention are: the invention can accumulate part of energy during knocking to play a certain role in buffering, reduce the impact on the hand of a user, continuously accumulate and transmit the force of repeated knocking to the rotating mechanism through a smart structure, and then release the accumulated energy when the self-tapping screw needs to be installed, thereby assisting in screwing the self-tapping screw and playing a role in saving power.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can assist installation tapping screw hold up power five metals hammer, includes the tup, its characterized in that: the hammer head is characterized in that a buffer cavity with a downward opening is arranged in the hammer head, a buffer slider is arranged in the buffer cavity in a vertically sliding manner, fixedly connected buffer springs are uniformly distributed between the upper end surface of the buffer slider and the upper wall of the buffer cavity, an iron block is fixedly arranged on the lower end surface of the buffer slider, a handle is fixedly arranged on the right end surface of the hammer head, a fixed base is fixedly arranged on the right end surface of the handle, a rotating cavity with a rightward opening is arranged in the fixed base, an output rotating shaft is rotationally arranged on the left wall of the rotating cavity, a batch head is fixedly arranged on the right end surface of the output rotating shaft, a rotating cylinder cavity is arranged in the handle, the left end of the output rotating shaft extends into the rotating cylinder cavity, a rotating cylinder is fixedly arranged on the left end surface of the rotating cylinder, a spiral thread groove with an outward opening is arranged on the outer circular surface of the rotating cylinder, a pushing cavity is communicated with the upper wall of the rotating cylinder cavity, and a pulling column cavity with an upward opening is communicated with the left side of the upper wall of the pushing cavity, the automatic feeding device is characterized in that a first pulling block is arranged in a pulling column cavity in a vertically sliding manner, a moving guide rod is fixedly arranged on the lower end face of the pulling block, a transmission slide block is connected to the outer side of the moving guide rod in a horizontally sliding manner, an output slide block is arranged in a rotary drum cavity in a horizontally sliding manner, a through cavity is arranged in the output slide block in a left-right through manner, a spiral slide block capable of sliding in the thread groove is fixedly arranged on the upper side of the circumferential wall of the through cavity, a reset spring is fixedly connected between the left end face of the output slide block and the left wall of the rotary drum cavity, a connecting slide cavity with a downward opening is arranged in the transmission slide block, a connecting column is arranged in the connecting slide cavity in a vertically sliding manner, the lower end face of the connecting column is fixedly connected with the upper end face of the output slide block, a locking cavity is communicated with the left side of the pushing cavity, and a locking rod is arranged between the front wall and the rear wall of the locking cavity in a sliding manner, the right end face of the locking rod is fixedly connected with the left end face of the transmission slide block, the left and right of the upper end face of the locking rod are uniformly distributed and fixedly provided with a first locking block, the right side of the upper wall of the locking cavity is communicated with a rotating shaft connecting column with an upward opening, and the rotating shaft connecting column is internally provided with a pulling column in a vertically sliding manner; a driven rotating cavity is communicated with the circumferential wall of the rotating cavity, a rotating ring is rotatably arranged in the driven rotating cavity, a rotating communicating cavity is arranged in the rotating ring in a left-right through manner, clamping spring cavities are respectively communicated with the circumferential wall of the rotating communicating cavity from front to back and from top to bottom, a fixed magnet is slidably arranged in each clamping spring cavity, and a clamping spring is fixedly connected between the end face of the fixed magnet, which is far away from the screwdriver bit, and the side wall of the clamping spring cavity, which is far away from the screwdriver bit; a second pulling block is fixedly arranged on the upper end face of the handle and on the left side of the cavity of the pulling column, a vertically through pulling column cavity is arranged in the second pulling block, the pulling column can slide up and down in the pulling column cavity, rotating shaft connecting columns are symmetrically and respectively fixedly arranged in front of and behind the lower end face of the pulling column, a locking rotating shaft is rotatably connected between the rotating shaft connecting columns on the front side and the rear side, a second locking block is fixedly arranged on the outer circular face of the locking rotating shaft, a limiting block is fixedly arranged on the lower end face of the pulling column and on the left side of the second locking block, the right end face of the limiting block abuts against the left end face of the second locking block, the right end face of the second locking block can abut against the left end face of the first locking block, and a locking spring is fixedly connected between the right end face of the second locking block and the right end face of the lower end face of the pulling column; the upper end face of the pulling column extends to the upper side of the second pulling block, a pulling plate is fixedly arranged on the upper end face of the pulling column, a pulling spring is fixedly connected between the lower end face of the pulling plate and the upper end face of the second pulling block, the upper end of the first pulling block extends to the upper side of the handle, and a pulling spring is fixedly connected between the upper end face of the first pulling block and the right side of the lower end face of the pulling plate; a gear cavity is communicated with the right side of the lower wall of the locking cavity, a gear shaft is rotatably arranged between the front wall and the rear wall of the gear cavity, an input gear is fixedly arranged on the outer circular surface of the gear shaft, an input rack meshed with the input gear is fixedly arranged in the inner surface of the lower end surface of the pulling column cavity, a transmission shaft is rotatably arranged in the left wall of the gear cavity, a driving bevel gear is fixedly arranged on the right end surface of the transmission shaft, and a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the outer circular surface of the gear shaft and on the front side of the input gear; a ratchet cavity is communicated and arranged in the handle and on the left side of the gear cavity, the left end of the transmission shaft extends into the ratchet cavity, an outer ratchet wheel is fixedly arranged on the left end surface of the transmission shaft, a power input shaft is rotatably arranged in the left wall of the ratchet cavity, an inner ratchet wheel which is connected with the outer ratchet wheel in a unidirectional rotation mode is fixedly arranged on the right end surface of the power input shaft, an input sliding block cavity is arranged in the hammer head and on the upper side of the buffer cavity, and the left end of the power input shaft extends into the input sliding block cavity; the input slider chamber internal energy horizontal slip be equipped with the input slider, the input slider with threaded connection between the power input shaft, input slider chamber left side intercommunication is equipped with the lift slider chamber, the lift slider intracavity internal energy is gliding from top to bottom be equipped with the lift slider, the lift slider up end with hinged joint has the connecting rod between the input slider left end face, the buffering slider up end with fixedly connected with buffering spliced pole between the terminal surface under the lift slider.