CN107639595A - A kind of electric hammer - Google Patents

A kind of electric hammer Download PDF

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Publication number
CN107639595A
CN107639595A CN201710717053.9A CN201710717053A CN107639595A CN 107639595 A CN107639595 A CN 107639595A CN 201710717053 A CN201710717053 A CN 201710717053A CN 107639595 A CN107639595 A CN 107639595A
Authority
CN
China
Prior art keywords
meshing gear
gear
electric hammer
shock absorber
working cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710717053.9A
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Chinese (zh)
Inventor
张飞龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Taike Electric Appliance Co Ltd
Original Assignee
Ningbo Taike Electric Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Taike Electric Appliance Co Ltd filed Critical Ningbo Taike Electric Appliance Co Ltd
Priority to CN201710717053.9A priority Critical patent/CN107639595A/en
Publication of CN107639595A publication Critical patent/CN107639595A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to hand held electric tool field, there is provided a kind of electric hammer, including:Shell;Driver element, driver element are embedded in shell, and one end of driver element is provided with the first meshing gear;Gear unit, gear unit are located at the side of driver element, and one end of gear unit is provided with the second meshing gear, and the side of the second meshing gear is provided with the spherical clutch part for function switch, and the other end of gear unit is provided with the 3rd meshing gear;Working cell, working cell are located at the upside of gear unit, and working cell middle part is provided with the 4th meshing gear for being used for being meshed with the 3rd meshing gear, and the other end of working cell is inserted with replaceable fluted drill.Compared with prior art, the advantage of the invention is that the electric hammer is simple in construction, and it is low into production processing cost, can quickly it switch between the multiple functions such as standby brill, hammer drill, hammer, and the first shock absorber part and the second shock absorber part are provided with, greatly reduce the abrasion between each structure.

Description

A kind of electric hammer
Technical field
The invention belongs to hand held electric tool field, and in particular to a kind of electric hammer.
Background technology
Common multifunctional electric hammer, the multiple functions such as brill, hammer drill, hammer are generally configured with, can be according to different job requirements Switch between several functions.In the prior art, electric hammer is mainly rotated by motor driven main shaft, and then drives bit Electric drill function is realized, cylinder and coordinates Oscillating lever bearing by increasing on main shaft, makes the ram that is connected with Oscillating lever bearing reciprocal Move to realize electric hammer function.But above-mentioned structure driven in this is complicated, in Single button handoff functionality scheme, generally there is provision of Baroque shift fork, make electric hammer function switch scheme complicated, switching inconvenience is a kind of simple in construction it is therefore necessary to design, Can function switch easily electric hammer.
The content of the invention
The technical problems to be solved by the invention are the present situations for prior art, and it is simple to provide a kind of structure, can function Switch easily electric hammer.
Technical scheme is used by the present invention solves above-mentioned technical problem:A kind of electric hammer is proposed, including:Shell;Driving Unit, the driver element are embedded in shell, and one end of driver element is provided with the first meshing gear;Gear unit, the biography Moving cell is located at the side of driver element, and one end of gear unit is provided with the second engaging tooth being meshed with the first meshing gear Wheel, the side of second meshing gear are provided with the spherical clutch part for function switch, and the other end of gear unit is provided with the Three meshing gears;Working cell, the working cell are located at the upside of gear unit, and working cell middle part, which is provided with, to be used for The 4th meshing gear being meshed with the 3rd meshing gear, one end of working cell offer square groove, cut with scissors in the square groove Swing component is connected to, the lower end of the swing component is set on spherical clutch part, and the other end of working cell is inserted with replaceable Fluted drill.
In a kind of above-mentioned electric hammer, the gear unit has drive link, and the drive link is provided with clutch driving lever, The side of the clutch driving lever is arranged with the first locating part, and the opposite side of clutch driving lever is arranged with the first shock absorber part, the clutch The first spring is arranged with bar, one end of first spring is connected with the first shock absorber part, the other end of the first spring with it is spherical Clutch part connects.
In a kind of above-mentioned electric hammer, the side of first shock absorber part offers several oil grooves, the first shock absorber part Inside is provided with several boss, and the drive link is provided with several grooves for being used to fasten with boss.
In a kind of above-mentioned electric hammer, the working cell has rotary cylinder, and it is spacing to be arranged with second on the rotary cylinder Part, the 3rd locating part, the 4th locating part, the second shock absorber part and second spring, second locating part are located at the 4th engaging tooth The side of wheel, the 3rd locating part are located at the opposite side of the 4th meshing gear, and the 4th locating part is located at the 3rd locating part Side, second shock absorber part is located at the side of the 4th locating part, and one end of the second spring connects with the second shock absorber part Connect, the other end of second spring is connected with the 4th locating part.
In a kind of above-mentioned electric hammer, several semi-circular recesses are offered on the rotary cylinder, each semicircle Steel ball is provided with groove, several semicircle grooves are offered on the inside of the 4th meshing gear, each semicircle groove Engage with the first half of steel ball.
In a kind of above-mentioned electric hammer, the spherical clutch part is provided with a circle tapered plane, and the lower end of the swing component is opened Provided with manhole, the inner surface of the manhole is in close contact with the tapered plane.
In a kind of above-mentioned electric hammer, the driver element includes motor, the output shaft of the motor and the first engaging tooth Wheel connection.
In a kind of above-mentioned electric hammer, the shell bottom is inserted with replaceable battery, is pressed in shell provided with switch Button, the battery electrically connect with shift knob, and the shift knob electrically connects with motor.
Compared with prior art, it is low into production processing cost the advantage of the invention is that the electric hammer is simple in construction, it is standby bore, It can quickly switch between the multiple functions such as hammer drill, hammer, and be provided with the first shock absorber part and the second shock absorber part, in electric hammer work The vibrations of electric hammer can greatly be mitigated when making, greatly reduce the abrasion between each structure.
Brief description of the drawings
Fig. 1 is the concrete structure schematic diagram of this electric hammer;
Fig. 2 is the part-structure schematic diagram of this electric hammer;
Fig. 3 is the concrete structure schematic diagram of the first shock absorber part;
Fig. 4 is the structural representation of rotary cylinder;
Fig. 5 is the concrete structure schematic diagram of the 4th meshing gear;
Fig. 6 is the structural representation of spherical clutch part.
In figure, shell 1, driver element 2, the first meshing gear 3, gear unit 4, the second meshing gear 5, spherical clutch Part 6, the 3rd meshing gear 7, working cell 8, the 4th meshing gear 9, square groove 10, swing component 11, fluted drill 12, drive link 13rd, clutch driving lever 14, the first locating part 15, the first shock absorber part 16, the first spring 17, oil groove 18, boss 19, groove 20, rotation The 21, second locating part 22 of cylinder, the 3rd locating part 23, the 4th locating part 24, the second shock absorber part 25, second spring 26, semicircle Groove 27, steel ball 28, semicircle groove 29, manhole 30, tapered plane 31, motor 32, battery 33, shift knob 34.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described, But the present invention is not limited to these embodiments.
As shown in figure 1, this electric hammer, including shell 1, driver element 2, gear unit 4 and working cell 8, driver element 2 gear units 4 and working cell 8 are embedded in shell 1, and gear unit 4 is located at the side of driver element 2, working cell 8 are located at the upside of gear unit 4.
Driver element 2 can provide power, and gear unit 4 can send power to working cell 8, and gear unit 4 The standby brill of working cell 8, hammer drill can be made, this several function is hammered into shape and toggle.
As shown in Fig. 2 one end of driver element 2 is provided with the first meshing gear 3, one end of gear unit 4 has and first The second meshing gear 5 that meshing gear 3 is meshed, the side of the second meshing gear 5 are provided with the spherical clutch for function switch Part 6, the other end of gear unit 4 are provided with the 3rd meshing gear 7, and the middle part of working cell 8, which is provided with, to be used for and the 3rd engaging tooth The 4th meshing gear 9 that wheel 7 is meshed, one end of working cell 8 offers square groove 10, swing is hinged with square groove 10 Part 11, the lower end of swing component 11 are set on spherical clutch part 6, and the other end of working cell 8 is inserted with replaceable fried dough twist Bore 12.
Second meshing gear 5 is engaged with the first meshing gear 3, and second can be just driven when the first meshing gear 3 rotates Meshing gear 5 rotates, and because the second meshing gear 5 is located at one end of gear unit 4, that is, drives gear unit 4 to rotate, when When gear unit 4 rotates, the 3rd meshing gear 7 of the other end of gear unit 4 will be driven to rotate, when 7 turns of the 3rd meshing gear The 4th meshing gear 9 being meshed with the 3rd meshing gear 7 can be driven to rotate when dynamic, with regard to phase when the 4th meshing gear 9 rotates Rotated when in working cell 8, this makes it possible to the function of realizing brill.
Swing component 11 is set on spherical clutch part 6, and when rotating unit rotates, spherical clutch part 6 can just rotate, When spherical clutch part 6 rotates, the swing component 11 being set on spherical clutch part 6 will be swung, and because swing component 11 Upper end and working cell 8 one end it is hinged, so when swing component 11 is swung, you can drive working cell 8 back and forth The function of beating is realized in motion.
Gear unit 4 has drive link 13, and drive link 13 is provided with clutch driving lever 14, and the side of clutch driving lever 14 is arranged There is the first locating part 15, the opposite side of clutch driving lever 14 is arranged with the first shock absorber part 16, the first spring is arranged with trip(ping) lever 17, one end of the first spring 17 is connected with the first shock absorber part 16, and the other end of the first spring 17 is connected with spherical clutch part 6.
Drive link 13 is provided with clutch driving lever 14, when stirring clutch driving lever 14 forward, just can drive spherical clutch part 6 to Preceding movement, and then depart from swing component 11, it so can be achieved with single brill function;Stirring clutch driving lever 14 backward just can be yes 3rd meshing gear 7 is separated with the 4th meshing gear 9, and function is singly beaten in realization.
As shown in figures 1 and 3, the side of the first shock absorber part 16 offers several oil grooves 18, the first shock absorber part 16 it is interior Portion is provided with several boss 19, and drive link 13 is provided with several grooves 20 for being used to fasten with boss 19.
The side of first shock absorber part 16 offers several oil grooves 18, after electric hammer uses a period of time, you can pass through oil groove 18 add lubricating oil to the inside, keep the stabilization of electric hammer running.
As shown in Figure 1 and Figure 4, working cell 8 has rotary cylinder 21, and the second locating part 22, are arranged with rotary cylinder 21 Three locating parts 23, the 4th locating part 24, the second shock absorber part 25 and second spring 26, the second locating part 22 is positioned at the 4th engagement The side of gear 9, the 3rd locating part 23 are located at the opposite side of the 4th meshing gear 9, and the 4th locating part 24 is located at the 3rd locating part 23 side, the second shock absorber part 25 are located at the side of the 4th locating part 24, one end of second spring 26 and the second shock absorber part 25 Connection, the other end of second spring 26 are connected with the 4th locating part 24.
Second locating part 22, the 3rd locating part 23 and the 4th locating part 24 are used for the position for limiting rotary cylinder 21, are working as Rotary cylinder 21 prevents it from the displacement in other directions occurs when rotating, and second spring 26 can provide cushion effect, when working cell 8 When being changed into the function of beating, second spring 26 is squeezed power, so as to which second spring 26 is retracted, is thus avoided that collision.
Offer several semi-circular recesses 27 on rotary cylinder 21, be provided with steel ball 28 in each semi-circular recesses 27, the 4th The inner side of meshing gear 9 offers several semicircle grooves 29, and each semicircle groove 29 engages with the first half of steel ball 28.
Semicircle groove 29 engages with the first half of steel ball 28, and such 4th meshing gear 9 just can be with turn when rotating Dynamic cylinder 21 rotates.
As shown in Figure 1 and Figure 5, spherical clutch part 6 is provided with a circle tapered plane 31, and the lower end of swing component 11 offers circle Shape through hole 30, inner surface and the tapered plane 31 of manhole 30 are in close contact.
When spherical clutch part 6 rotates, i.e., tapered plane 31 rotates, and the inner surface and tapered plane 31 of manhole 30 are close Contact, so the lower end of swing component 11 will force to swing, i.e., swing component 11 is swung, and this makes it possible to cause working cell 8 It is movable.
Driver element 2 includes motor 32, and the output shaft of motor 32 is connected with the first meshing gear 3.The bottom of shell 1 plugs There is replaceable battery 33, be provided with shift knob 34 in shell 1, battery 33 electrically connects with shift knob 34, shift knob 34 electrically connect with motor 32.When motor 32 works, i.e. output shaft rotation rotates this makes it possible to drive the first meshing gear 3.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention The technical staff in field can make various modifications or supplement to described specific embodiment or using similar mode Substitute, but without departing from scope defined in the spirit of the present invention.

Claims (8)

  1. A kind of 1. electric hammer, it is characterised in that including:
    Shell;
    Driver element, the driver element are embedded in shell, and one end of driver element is provided with the first meshing gear;
    Gear unit, the gear unit are located at the side of driver element, and one end of gear unit is provided with and the first meshing gear The second meshing gear being meshed, the side of second meshing gear are provided with the spherical clutch part for function switch, transmission The other end of unit is provided with the 3rd meshing gear;
    Working cell, the working cell are located at the upside of gear unit, and working cell middle part, which is provided with, to be used to nibble with the 3rd The 4th meshing gear that gear is meshed is closed, one end of working cell offers square groove, swing is hinged with the square groove Part, the lower end of the swing component are set on spherical clutch part, and the other end of working cell is inserted with replaceable fluted drill.
  2. A kind of 2. electric hammer according to claim 1, it is characterised in that the drive link is provided with clutch driving lever, it is described from The side for closing driving lever is arranged with the first locating part, and the opposite side of clutch driving lever is arranged with the first shock absorber part, covered on the trip(ping) lever Provided with the first spring, one end of first spring is connected with the first shock absorber part, the other end of the first spring and spherical clutch part Connection.
  3. 3. a kind of electric hammer according to claim 2, it is characterised in that the side of first shock absorber part offers several Oil groove, the inside of the first shock absorber part are provided with several boss, and the drive link is provided with several and is used for what is fastened with boss Groove.
  4. 4. a kind of electric hammer according to claim 1, it is characterised in that the working cell has rotary cylinder, the rotation The second locating part, the 3rd locating part, the 4th locating part, the second shock absorber part and second spring, second limit are arranged with cylinder Position part is located at the side of the 4th meshing gear, and the 3rd locating part is located at the opposite side of the 4th meshing gear, the 4th limit Position part is located at the side of the 3rd locating part, and second shock absorber part is located at the side of the 4th locating part, and the one of the second spring End is connected with the second shock absorber part, and the other end of second spring is connected with the 4th locating part.
  5. 5. a kind of electric hammer according to claim 4, it is characterised in that it is recessed that several semicircles are offered on the rotary cylinder Groove, each semi-circular recesses are interior to be provided with steel ball, offers several semicircle grooves on the inside of the 4th meshing gear, often The individual semicircle groove engages with the first half of steel ball.
  6. A kind of 6. electric hammer according to claim 1, it is characterised in that the spherical clutch part is provided with a circle tapered plane, The lower end of the swing component offers manhole, and the inner surface of the manhole is in close contact with the tapered plane.
  7. 7. a kind of electric hammer according to claim 1, it is characterised in that the driver element includes motor, the motor Output shaft is connected with the first meshing gear.
  8. 8. a kind of electric hammer according to claim 1, it is characterised in that the shell bottom is inserted with replaceable electric power storage Pond, shell is interior to be provided with shift knob, and the battery electrically connects with shift knob, and the shift knob electrically connects with motor.
CN201710717053.9A 2017-08-21 2017-08-21 A kind of electric hammer Pending CN107639595A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710717053.9A CN107639595A (en) 2017-08-21 2017-08-21 A kind of electric hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710717053.9A CN107639595A (en) 2017-08-21 2017-08-21 A kind of electric hammer

Publications (1)

Publication Number Publication Date
CN107639595A true CN107639595A (en) 2018-01-30

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ID=61110215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710717053.9A Pending CN107639595A (en) 2017-08-21 2017-08-21 A kind of electric hammer

Country Status (1)

Country Link
CN (1) CN107639595A (en)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846946A (en) * 2005-04-11 2006-10-18 日立工机株式会社 Impact tool
US20090223692A1 (en) * 2008-03-05 2009-09-10 Makita Corporation Hammer Drill
CN101541480A (en) * 2006-12-01 2009-09-23 罗伯特·博世有限公司 Hand-held power tool
CN101903135A (en) * 2007-12-21 2010-12-01 罗伯特·博世有限公司 Portable power tool
CN201900632U (en) * 2010-11-16 2011-07-20 宁波良业电器有限公司 Internal impact switching device of electric hammer
CN105058327A (en) * 2015-08-07 2015-11-18 安徽工程大学 Multifunctional electric hammer structure
JP2017042889A (en) * 2015-08-27 2017-03-02 株式会社マキタ Hammering tool
CN106826695A (en) * 2016-12-23 2017-06-13 永康市杰拉华工具有限公司 A kind of function electric hammer of single button four
CN207326895U (en) * 2017-08-21 2018-05-08 宁波易太科电器有限公司 A kind of electric hammer

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1846946A (en) * 2005-04-11 2006-10-18 日立工机株式会社 Impact tool
CN101541480A (en) * 2006-12-01 2009-09-23 罗伯特·博世有限公司 Hand-held power tool
CN101903135A (en) * 2007-12-21 2010-12-01 罗伯特·博世有限公司 Portable power tool
US20090223692A1 (en) * 2008-03-05 2009-09-10 Makita Corporation Hammer Drill
CN201900632U (en) * 2010-11-16 2011-07-20 宁波良业电器有限公司 Internal impact switching device of electric hammer
CN105058327A (en) * 2015-08-07 2015-11-18 安徽工程大学 Multifunctional electric hammer structure
JP2017042889A (en) * 2015-08-27 2017-03-02 株式会社マキタ Hammering tool
CN106826695A (en) * 2016-12-23 2017-06-13 永康市杰拉华工具有限公司 A kind of function electric hammer of single button four
CN207326895U (en) * 2017-08-21 2018-05-08 宁波易太科电器有限公司 A kind of electric hammer

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