CN113084227A

CN113084227A - Multifunctional electric hammer with multiple working modes

Info

Publication number: CN113084227A
Application number: CN202110580440.9A
Authority: CN
Inventors: 廖雄恺
Original assignee: Guangzhou Dingyufei Power Equipment Co ltd
Current assignee: Guangzhou Dingyufei Power Equipment Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-07-09

Abstract

The invention relates to the technical field of electric tools and discloses a multifunctional electric hammer with multiple working modes, which comprises a shell, wherein an electric telescopic rod is rotatably connected with a trigger gear, the trigger gear is connected with a second meshing wheel, the second meshing wheel corresponds to the first meshing wheel, the first meshing wheel is respectively connected with an arc groove roller and a rotating wheel, the rotating wheel is in transmission connection with a sleeve, the arc groove roller is in sliding connection with a sliding cylinder, the sliding cylinder is matched with a sliding rod to be connected with a piston, a hammer block and a spring rod are arranged in the piston cylinder, and the spring rod is rotatably connected with a drill bit mounting seat. When the upper side occlusion wheel I is driven to be occluded with the occlusion wheel II through the electric telescopic rod, the arc groove roller rotates to drive the sliding cylinder to intermittently slide, the sliding cylinder drives the piston to compress air into the piston cylinder, the hammer block strikes the spring rod, and the hammer block is matched with the drill bit mounting seat to drive the drill bit to perform impact motion; when the lower side meshing wheel I is meshed with the lower side meshing wheel II, the rotating wheel rotates to drive the sleeve to rotate, and the drill bit is driven to rotate by matching with the drill bit mounting seat, so that the effect of multi-mode work can be achieved.

Description

Multifunctional electric hammer with multiple working modes

Technical Field

The invention relates to the technical field of electric tools, in particular to a multifunctional electric hammer with multiple working modes.

Background

Along with the progress and development of social economy, the electric tool is widely applied to the building industry, the decoration industry, the mining industry and the like, the electric hammer is one of the common electric tools, the electric hammer is added with a piston which is driven by a motor and provided with a crankshaft connecting rod, a drill bit is driven to reciprocate by matching compressed air with a hammer, and the electric hammer is mainly used for drilling holes in concrete, floor slabs, brick walls and stone materials.

Although there are many kinds of electric hammers, there are some disadvantages such as a single operation mode, that the drill bit performs reciprocating impact motion while drilling by rotation, and that it can be used for only one operation, and thus has poor adaptability; for another example, when working, the electric hammer shakes violently, which has high requirements on the skill of workers, otherwise, working errors are easy to generate.

Summary of the invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the multifunctional electric hammer with multiple working modes, which has the advantages of multi-mode working, stable drilling and the like, and solves the problems that the existing equipment cannot work in multiple modes and cannot stably drill.

(II) technical scheme

In order to realize the purposes of multi-mode working and stable drilling, the invention provides the following technical scheme: a multifunctional electric hammer with multiple working modes comprises a shell, wherein an arc groove roller is movably mounted inside the shell, a sliding cylinder is slidably connected to the outer side of the arc groove roller, a sliding rod is fixedly connected to the left end of the sliding cylinder, a piston is fixedly connected to the left end of the sliding rod, a piston cylinder is slidably connected to the outer side of the piston, a hammer block is slidably connected inside the piston cylinder, a spring rod is movably mounted on the left side of the piston cylinder, the left end of the spring rod is rotatably connected with a drill bit mounting seat, a sleeve is fixedly connected to the outer side of the drill bit mounting seat, a rotating wheel is connected below the right end of the sleeve in a transmission manner, a first meshing wheel is fixedly connected to each of the rotating wheel and the right end of the arc groove roller, an electric telescopic rod is fixedly mounted on the inner wall of the right side of the shell, a trigger gear is fixedly connected to the left end, the driven gear is arranged above the driving gear, the driving gear and the driven gear are in transmission connection with a transmission rack, the driving gear and the right end of the driven gear are respectively and fixedly connected with a fan blade, the right side of the fan blade is fixedly provided with a heat dissipation pipeline, the outer surface of the shell is in sliding connection with a threaded block, the inner side of the threaded block is in threaded connection with a screw, and the outer side of the threaded block is fixedly connected with a stabilizer bar.

Preferably, the inner side of the sliding barrel is fixedly provided with a sliding column corresponding to the sliding groove on the surface of the arc groove roller, the outer side of the sliding barrel is provided with a limiting plate, and the arc groove roller rotates to drive the sliding barrel to slide intermittently.

Preferably, the piston, the hammer block and the spring rod correspond to each other, the piston compresses air into the piston cylinder, and the hammer block strikes the spring rod.

Preferably, an auxiliary rotating pulley corresponding to the sleeve is arranged on the outer side of the piston cylinder and used for assisting the sleeve to rotate.

Preferably, the first meshing wheel corresponds to the second meshing wheel, the first meshing wheel and the second meshing wheel can be meshed, the trigger gear is matched with the transmission rack, and the trigger gear can be inserted into the transmission rack for meshing.

Preferably, a dust separation plate is arranged inside the heat dissipation pipeline to prevent dust from entering the shell.

Preferably, the outer side surface of the shell is provided with a sliding chute corresponding to the thread block, the thread block is limited to only slide left and right, and the right end of the screw rod is connected with a screw rod rotating handle, so that the screw rod is convenient to rotate.

(III) advantageous effects

Compared with the prior art, the invention provides the multifunctional electric hammer with multiple working modes, which has the following beneficial effects:

1. the multifunctional electric hammer with multiple working modes drives an upper side trigger gear to be inserted into the inner side of a transmission rack and meshed by starting an upper side electric telescopic rod to extend, at the moment, an upper side meshing wheel I is meshed with an upper side meshing wheel II, a motor drives a driving gear to rotate, a driven gear is matched to drive the transmission rack to transmit, the transmission rack drives the upper side trigger gear to rotate, the upper side meshing wheel I and the meshing wheel II are matched to drive an arc groove roller to rotate, the arc groove roller rotates to drive a sliding cylinder to intermittently slide, the sliding cylinder slides leftwards to drive a piston to compress air into a piston cylinder, a hammer block slides leftwards to drive a spring rod to slide leftwards, and then a drill bit mounting seat is driven to slide leftwards to; the lower side electric telescopic rod is started to extend to drive the lower side trigger gear to be inserted into the inner side of the transmission rack and meshed with the lower side meshing wheel I, at the moment, the lower side meshing wheel I is meshed with the lower side meshing wheel II, the transmission rack drives the lower side trigger gear to rotate, the lower side meshing wheel I and the meshing wheel II are matched to drive the rotating wheel to rotate, the rotating wheel rotates to drive the sleeve to rotate, the sleeve rotates to drive the drill bit mounting seat to rotate, and then the drill bit is driven to; by simultaneously starting the upper electric telescopic rod and the lower electric telescopic rod, the drill bit can rotate and do impact motion, so that the effect of multi-mode work is achieved.

2. The multifunctional electric hammer with multiple working modes drives the fan blades to rotate through the rotation of the driving gear and the driven gear, is matched with the heat dissipation pipeline for heat dissipation, and is matched with the dust separation plate to prevent external dust from entering the shell to cause interference on work; the driving screw rod is rotated by rotating the screw rod, the screw rod rotates to drive the thread block to slide, the thread block slides leftwards to drive the stabilizer bar to slide leftwards, the stabilizer bar is fixed on a working surface, the drill bit can be stabilized to work, and therefore the effect of stably drilling is achieved.

Drawings

FIG. 1 is a front sectional view of the present invention;

FIG. 2 is a cross-sectional view of a piston cylinder according to the present invention;

FIG. 3 is an enlarged partial view of the portion A shown in FIG. 1;

FIG. 4 is a cross-sectional view of a related configuration of the grooved arc roller of the present invention;

fig. 5 is a side view of the related structure of the driven gear of the invention.

In the figure: 1. a housing; 2. an arc groove roller; 3. a slide cylinder; 4. a slide bar; 5. a piston; 6. a piston cylinder; 7. a hammer block; 8. a spring lever; 9. a drill bit mounting seat; 10. a sleeve; 11. a rotating wheel; 12. a first meshing wheel; 13. an electric telescopic rod; 14. triggering a gear; 15. a second meshing wheel; 16. a motor; 17. a driving gear; 18. a driven gear; 19. a drive rack; 20. a fan blade; 21. a heat dissipation pipe; 22. a thread block; 23. a screw; 24. a stabilizer bar.

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.

Referring to fig. 1-5, a multifunctional electric hammer with multiple working modes comprises a shell 1, an arc groove roller 2 is movably mounted inside the shell 1, a sliding cylinder 3 is slidably connected to the outer side of the arc groove roller 2, a sliding column corresponding to a sliding groove on the surface of the arc groove roller 2 is fixedly mounted on the inner side of the sliding cylinder 3, a limiting plate is arranged on the outer side of the sliding cylinder, the arc groove roller 2 rotates to drive the sliding cylinder 3 to intermittently slide, a sliding rod 4 is fixedly connected to the left end of the sliding cylinder 3, a piston 5 is fixedly connected to the left end of the sliding rod 4, a piston cylinder 6 is slidably connected to the outer side of the piston 5, a hammer block 7 is slidably connected inside the piston cylinder 6, a spring rod 8 is movably mounted on the left side of the piston cylinder 6, the piston 5 corresponds to the hammer block 7 and the spring rod 8, the piston 5 compresses air into the piston cylinder.

The left end of spring beam 8 rotates and is connected with drill bit mount pad 9, the outside fixedly connected with sleeve 10 of drill bit mount pad 9, the outside of piston cylinder 6 is provided with the supplementary pulley that corresponds with sleeve 10, be used for supplementary sleeve 10 to rotate, the transmission of the right-hand member below of sleeve 10 is connected with runner 11, runner 11 and arc groove roller 2's right-hand member difference fixedly connected with interlock wheel 12, the right side inner wall fixed mounting of shell 1 has electric telescopic handle 13, electric telescopic handle 13's left end fixedly connected with trigger gear 14, trigger gear 14's left end fixedly connected with interlock wheel two 15, the bottom inner wall fixed mounting of shell 1 has motor 16, motor 16's right-hand member rotates and is connected with driving gear 17, the top of driving gear 17 is provided with driven gear 18, and the transmission is connected with drive rack 19 between its and the.

The first meshing wheel 12 corresponds to the second meshing wheel 15, the first meshing wheel and the second meshing wheel can be meshed, the triggering gear 15 is matched with the transmission rack 19, the triggering gear 15 can be inserted into the transmission rack 19 to be meshed, the right ends of the driving gear 17 and the driven gear 18 are respectively and fixedly connected with fan blades 19, the right sides of the fan blades 19 are fixedly provided with heat dissipation pipelines 21, dust separation plates are arranged inside the heat dissipation pipelines 21, dust is prevented from entering the shell 1, the outer surface of the shell 1 is slidably connected with threaded blocks 22, the inner side of each threaded block 22 is in threaded connection with a screw rod 23, the outer side of each threaded block is fixedly connected with a stabilizer rod 24, sliding grooves corresponding to the threaded blocks 22 are formed in the outer side surface of the shell 1, the threaded blocks 22 are limited to.

The working principle is as follows: the multifunctional electric hammer with multiple working modes drives the upper side trigger gear 14 to be inserted into the inner side of the transmission rack 19 and meshed by starting the upper side electric telescopic rod 13 to extend, at the moment, the upper side meshing wheel I12 is meshed with the upper side meshing wheel II 15, the motor 16 drives the driving gear 17 to rotate, the transmission rack 19 is driven by matching with the driven gear 19, the transmission rack 19 drives the upper side trigger gear 14 to rotate, the upper side meshing wheel I12 and the meshing wheel II 15 are matched to drive the arc groove roller 2 to rotate, the arc groove roller 2 rotates to drive the sliding cylinder 3 to intermittently slide, the sliding cylinder 3 slides leftwards to drive the piston 5 to compress air into the piston cylinder 6, the hammer block 7 slides leftwards to drive the spring rod 8 to slide leftwards, and then the drill bit mounting seat 9 is driven to slide leftwards to; the lower side electric telescopic rod 13 is started to extend to drive the lower side trigger gear 14 to be inserted into the inner side of the transmission rack 19 and meshed with the inner side of the transmission rack 19, at the moment, the lower side meshing wheel I12 is meshed with the lower side meshing wheel II 15, the transmission rack 19 drives the lower side trigger gear 14 to rotate, the lower side meshing wheel I12 and the meshing wheel II 15 are matched to drive the rotating wheel 11 to rotate, the rotating wheel 11 rotates to drive the sleeve 10 to rotate, the sleeve 10 rotates to drive the drill bit mounting seat 9 to rotate, and then the drill bit is; by simultaneously starting the upper electric telescopic rod 13 and the lower electric telescopic rod 13, the drill bit can rotate and do impact motion, so that the effect of multi-mode work is achieved.

The driving gear 17 and the driven gear 18 rotate to drive the fan blades 20 to rotate, the heat dissipation pipeline 21 is matched for heat dissipation, and the dust separation plate is matched to prevent external dust from entering the shell 1 to interfere with work; the screw rod 23 is driven to rotate by rotating the screw rod, the screw rod 23 rotates to drive the thread block 22 to slide, the thread block slides leftwards to drive the stabilizer bar 24 to slide leftwards, the stabilizer bar 24 is fixed on a working surface, the drill bit can be stabilized to work, and the effect of stably drilling is achieved.

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. A multi-functional electric hammer with a plurality of working modes, comprising a casing (1), characterized in that: the inner part of the shell (1) is movably provided with an arc groove roller (2), the outer side of the arc groove roller (2) is connected with a sliding cylinder (3) in a sliding manner, the left end of the sliding cylinder (3) is fixedly connected with a sliding rod (4), the left end of the sliding rod (4) is fixedly connected with a piston (5), the outer side of the piston (5) is connected with a piston cylinder (6) in a sliding manner, the inner part of the piston cylinder (6) is connected with a hammer block (7) in a sliding manner, the left side of the piston cylinder is movably provided with a spring rod (8), the left end of the spring rod (8) is rotatably connected with a drill bit mounting seat (9), the outer side of the drill bit mounting seat (9) is fixedly connected with a sleeve (10), the lower part of the right end of the sleeve (10) is in a transmission manner and is connected with a rotating wheel (11), the rotating wheel (11) and the right end of the arc groove roller (2), the left end fixedly connected with of trigger gear (14) is held and is taken turns two (15), the bottom inner wall fixed mounting of shell (1) has motor (16), the right-hand member of motor (16) rotates and is connected with driving gear (17), the top of driving gear (17) is provided with driven gear (18), and the transmission is connected with drive rack (19) between it and driven gear (18), driving gear (17) and driven gear (18)'s right-hand member fixedly connected with flabellum (19) respectively, the right side fixed mounting of flabellum (19) has heat dissipation pipeline (21), the surface sliding connection of shell (1) has screw block (22), the inboard threaded connection of screw block (22) has screw rod (23), and its outside fixedly connected with stabilizer bar (24).

2. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: the inner side of the sliding cylinder (3) is fixedly provided with a sliding column corresponding to the surface sliding groove of the arc groove roller (2), and the outer side of the sliding column is provided with a limiting plate.

3. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: the piston (5), the hammer block (7) and the spring rod (8) correspond to each other.

4. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: and an auxiliary rotating pulley corresponding to the sleeve (10) is arranged on the outer side of the piston cylinder (6).

5. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: the first meshing wheel (12) corresponds to the second meshing wheel (15), and the trigger gear (15) is matched with the transmission rack (19).

6. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: and a dust separation plate is arranged in the heat dissipation pipeline (21).

7. A multi-functional electric hammer having multiple modes of operation according to claim 1, wherein: the outer side surface of the shell (1) is provided with a sliding groove corresponding to the thread block (22), and the right end of the screw rod (23) is connected with a screw rod rotating handle.