CN204913814U - Multi -functional electric hammer structure - Google Patents

Multi -functional electric hammer structure Download PDF

Info

Publication number
CN204913814U
CN204913814U CN201520603514.6U CN201520603514U CN204913814U CN 204913814 U CN204913814 U CN 204913814U CN 201520603514 U CN201520603514 U CN 201520603514U CN 204913814 U CN204913814 U CN 204913814U
Authority
CN
China
Prior art keywords
gear
hammer
electric hammer
cylinder block
fork
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.)
Expired - Fee Related
Application number
CN201520603514.6U
Other languages
Chinese (zh)
Inventor
钟相强
李贤明
许永康
刘益军
罗平安
王宇航
苏有朋
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.)
Anhui Polytechnic University
Original Assignee
Anhui Polytechnic University
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 Anhui Polytechnic University filed Critical Anhui Polytechnic University
Priority to CN201520603514.6U priority Critical patent/CN204913814U/en
Application granted granted Critical
Publication of CN204913814U publication Critical patent/CN204913814U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a be applied to electric tool technical field's multi -functional electric hammer structure, motor (2) in electric hammer casing (1) of electric hammer structure are connected with control unit (3), motor gear (6) and helical gear (7) meshing, ram (8) are extended the one end of cylinder block (5) and are connected with pendulum rod (9) one end, pendulum rod (9) other end is connected with jackshaft (4), cylinder block (5) outside sets up gear wheel (10), tip (11) installation tool bit (12) before the cylinder block, it stirs sleeve (15) to set up between ram gear (13) and drill bit gear (14), it is connected with shifting part spare (16) to stir sleeve (15), shifting part spare (16) are connected with the operational unit of shifting (17), the utility model discloses an electric hammer structure can be switched between hammer, brill, three kinds of operating condition of hammer drill on convenient and fast ground, does not need frequently to change the electric hammer structure, has effectively improved the work efficiency of electric hammer structure.

Description

Multifunctional electric hammer structure
Technical field
The utility model belongs to electric tool technical field, more particularly, relates to a kind of multifunctional electric hammer structure.
Background technology
In existing electric hammer field of tool, electric hammer structure function is single.Different electric hammer structures, can only realize hammer respectively, bore function, therefore can not reach the market demand, and the market demand is more the new product realizing " a tractor serves several purposes ".Also have the appearance of some multifunctional electric hammers at present, but these electric hammers much have volume comparatively greatly, carry inconvenience, use the shortcomings such as working environment is extensive not, switching mechanism precision that is complicated, switching mechanism is not high.
Utility model content
Technical problem to be solved in the utility model is: provide a kind of structure simple, small volume, pass through transforming gear, can switch between hammer, brill, hammer drill three kinds of duties quickly and easily, just multiple work functions can be realized by an electric hammer structure, thus the multifunctional electric hammer structure of effectively increasing work efficiency.
Solve above-described technical problem, the technical scheme that the utility model is taked is:
The utility model is a kind of multifunctional electric hammer structure, described electric hammer structure comprises electric hammer housing, in described electric hammer housing, motor is set, motor turns with control motor the control assembly stopped and is connected, also jackshaft is provided with in described electric hammer housing, cylinder block, the motor gear of motor engages with the helical gear on jackshaft, cylinder block inside suit percussion hammer, one end that percussion hammer extends cylinder block is connected with fork one end, the fork other end is connected with jackshaft, the gear wheel that cylinder block outer setting engages with jackshaft, the cylinder block leading section erecting tools drill bit of cylinder block, jackshaft is arranged percussion hammer gear and drill bit gear, clearance portion between percussion hammer gear and drill bit gear arranges and stirs sleeve, stir sleeve and can control to stir the parts of stirring that sleeve horizontally slips and be connected, stir parts to be connected with the gear shift operation parts that can control to stir parts transforming gear.
Described parts of stirring comprise shift fork, locking plate fixed axis, shift fork active card is contained in the fork slot stirred on sleeve, locking plate fixed axis one end is arranged on shift fork, the locking plate fixed axis other end is arranged on tooth-like locking plate, gear shift operation parts comprise knob assembly, knob, knob assembly is arranged in " U " type boss resettlement groove of shift fork by round boss, knob assembly opposite side is placed on knob by boss, is set to drive the structure of stirring sleeve and horizontally slipping when knob drives knob assembly to rotate.
Described electric hammer structure comprises brill and hits parts, brill hits parts and comprises motor, helical gear, duplicate gear, tool bit, rotor and the helical gear be arranged on jackshaft of motor are connected with a joggle, duplicate gear is connected with a joggle with the gear wheel being arranged on cylinder block outside, and gear wheel side is set to be resisted against the structure on gear back-up ring.
Described electric hammer structure comprises hammering parts, hammering parts comprise cylinder block, percussion hammer, fork, impact part, fork one end is flexibly connected by connecting pin with percussion hammer, on the oscillation bearing of fork other end movable set on jackshaft, cylinder block is arranged in drill bush component body, tool bit is arranged on drill bush component body, impact part comprises buffer spring, back-up ring before impact bar, back-up ring after impact bar, collide bar, collide bar and to be arranged on before impact bar back-up ring and after colliding bar on back-up ring, back-up ring and collide to collide on bar between back-up ring after bar buffer spring is set before impact bar, collide bar and be set to the structure being positioned at same level line with percussion hammer and tool bit.
The rotor of described motor is arranged in electric hammer housing by bearing, and be also provided with lithium battery in described electric hammer housing, lithium battery is connected with motor and control assembly respectively.
One end that described cylinder block is connected with fork arranges recessed fluting portion, the side end face at described two ends, fluting portion arranges connecting hole respectively, connecting pin is movably arranged in two connecting holes, described fork one end is sleeved on the connecting pin position being positioned at fluting portion by perforating movable, the fork other end passes through collar portion movable set on oscillation bearing.
Described percussion hammer is movably arranged in cylinder block, and percussion hammer end is provided with cannelure, and install cylinder O type circle in cannelure, cylinder O type circle is resisted against on cylinder block inwall.
Described electric hammer structure also comprises drill bit quick-release parts, drill bit quick-release parts comprise steel ball back-up ring, circle, collet sleeve, steel ball, little spring, collet sleeve, circle, steel ball back-up ring are installed from left to right successively, steel ball is placed in the screens hole of tool bit, the position of steel ball is fixed by circle, steel ball back-up ring, tool bit, drill bit quick-release parts, impact part, cylinder block, percussion hammer, drill bush component body are set to be positioned at the structure on same central axis, described collet sleeve are provided with plastic material dust plug.
Described electric hammer structure also comprises assist handle, assist handle is fixedly mounted on electric hammer housing, groove fit on electric hammer housing forward end outer setting projection and assist handle is installed, and assist handle lower end is provided with handle, installs jig in the jig hole on assist handle.
Adopt the technical solution of the utility model, following beneficial effect can be obtained:
Multifunctional electric hammer structure described in the utility model, component actuation is stirred by gear shift operation component controls, when being in brill hammer state, stirring parts drive and stir sleeve slip, stir sleeve two ends and be set on percussion hammer gear and drill bit gear, at this moment, control assembly controls machine operation, and the motor gear of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, bull gear drive is driven, implementation tool drill bit 12 rotation work when jackshaft rotates; Meanwhile, sliding set jacket casing is contained on percussion hammer gear, worked by percussion hammer gear driven fork, after fork is stressed, act on one end that percussion hammer extends cylinder block, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, so just make electric hammer structure be in percussion hammer duty.When needing electric hammer structure to be in the duty of brill, only need to stir component actuation by gear shift operation component controls, stir parts drive and stir sleeve slip, sliding set jacket casing is contained on drill bit gear, at this moment, control assembly controls machine operation, the motor gear of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, drives bull gear drive when jackshaft rotates, implementation tool drill bit rotational works, and electric hammer structure is in the duty of brill; When needing electric hammer structure to be in the duty of hammer, only need to stir component actuation by gear shift operation component controls, stir parts drive and stir sleeve slip, sliding set jacket casing is contained on percussion hammer gear, is worked, after fork is stressed by the rotating band movable pendulum bar of percussion hammer gear, act on one end that percussion hammer extends cylinder block, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, so just make electric hammer structure be in percussion hammer duty.Electric hammer structure described in the utility model, structure is simple, small volume, pass through transforming gear, can switch between hammer, brill, hammer drill three kinds of duties quickly and easily, just can realize multiple work functions by an electric hammer structure, not need frequently to change electric hammer structure, effectively improve the operating efficiency of electric hammer structure.
Accompanying drawing explanation
Brief description is made to the content expressed by each accompanying drawing of this description and the mark in figure below:
Fig. 1 is the overall structure schematic diagram of multifunctional electric hammer structure described in the utility model;
Fig. 2 is multifunctional electric hammer inside configuration structural representation described in the utility model;
Fig. 3 is multifunctional electric hammer structure jackshaft described in the utility model and the syndeton schematic diagram stirring sleeve etc.;
Fig. 4 is jackshaft of multifunctional electric hammer structure described in the utility model etc. and the connection diagram of stirring parts;
Fig. 5 is the structural representation of multifunctional electric hammer structure main working parts described in the utility model;
Fig. 6 be multifunctional electric hammer structure described in the utility model stir sleeve simultaneously with structural representation when percussion hammer gear and drill bit gears meshing;
Fig. 7 be multifunctional electric hammer structure described in the utility model stir sleeve and percussion hammer gears meshing time structural representation;
Fig. 8 be multifunctional electric hammer structure described in the utility model stir sleeve and drill bit gears meshing time structural representation;
Fig. 9 is the inside partial schematic sectional view of multifunctional electric hammer structure described in the utility model;
Figure 10 is the inside partial schematic sectional view of multifunctional electric hammer structure described in the utility model;
Reference numeral is: 1, electric hammer housing; 2, motor; 3, control assembly; 4, jackshaft; 5, cylinder block; 6, motor gear; 7, helical gear; 8, percussion hammer; 9, fork; 10, gear wheel; 11, cylinder block leading section; 12, tool bit; 13, percussion hammer gear; 14, drill bit gear; 15, sleeve is stirred; 16, parts are stirred; 17, gear shift operation parts; 18, shift fork; 19, locking plate fixed axis; 20, fork slot; 21, tooth-like locking plate; 22, knob assembly; 23, knob; 24, brill hits parts; 25, duplicate gear; 26, rotor; 27, gear back-up ring; 28, hammering parts; 29, impact part; 30, connecting pin; 31, oscillation bearing; 32, drill bush component body; 33, buffer spring; 34, back-up ring before impact bar; 35, back-up ring after impact bar; 36, bar is collided; 37, fluting portion; 38, side end face; 39, connecting hole; 40, collar portion; 41, lithium battery; 42, cannelure; 43, cylinder O type circle; 44, drill bit quick-release parts; 45, steel ball back-up ring; 46, enclose; 47, collet sleeve; 48, steel ball; 49, little spring; 50, assist handle; 51, jig; 52, dust plug.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, the effect and operation principle etc. of detailed description of the invention of the present utility model as the mutual alignment between the shape of involved each component, structure, each several part and annexation, each several part are described in further detail:
As accompanying drawing 1, shown in accompanying drawing 2, the utility model is a kind of multifunctional electric hammer structure, described electric hammer structure comprises electric hammer housing 1, in described electric hammer housing 1, motor 2 is set, the control assembly 3 that motor 2 stops with control 2 turns, motor is connected, jackshaft 4 is also provided with in described electric hammer housing 1, cylinder block 5, the motor gear 6 of motor 2 engages with the helical gear 7 on jackshaft 4, cylinder block 5 inside suit percussion hammer 8, one end that percussion hammer 8 extends cylinder block 5 is connected with fork 9 one end, fork 9 other end is connected with jackshaft 4, the gear wheel 10 that cylinder block 5 outer setting engages with jackshaft, the cylinder block leading section 11 erecting tools drill bit 12 of cylinder block 4, jackshaft 4 is arranged percussion hammer gear 13 and drill bit gear 14, clearance portion between percussion hammer gear 13 and drill bit gear 14 arranges and stirs sleeve 15, stir sleeve 15 and can control to stir the parts 16 of stirring that sleeve 15 horizontally slips and be connected, stir parts 16 to be connected with the gear shift operation parts 17 that can control to stir parts 16 transforming gear.Said structure is arranged, control to stir parts 16 action by gear shift operation parts 17, when being in brill hammer state, stir parts and drive fluctuation sleeve to slide, fluctuation sleeve two ends are set on percussion hammer gear 13 and drill bit gear 14, at this moment, control assembly controls machine operation, and the motor gear 6 of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, bull gear drive is driven, implementation tool drill bit 12 rotation work when jackshaft rotates; Meanwhile, fluctuation sleeve set is on percussion hammer gear 13, worked by percussion hammer gear driven fork, after fork is stressed, act on one end that percussion hammer 8 extends cylinder block 5, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, so just make electric hammer structure be in percussion hammer duty.When needing electric hammer structure to be in the duty of brill, only need to control to stir parts 16 action by gear shift operation parts 17, stirring parts drives fluctuation sleeve to slide, and fluctuates sleeve set on drill bit gear 14, at this moment, control assembly controls machine operation, the motor gear 6 of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, drives bull gear drive when jackshaft rotates, implementation tool drill bit 12 rotation work, electric hammer structure is in the duty of brill; When needing electric hammer structure to be in the duty of hammer, only need to control to stir parts 16 action by gear shift operation parts 17, stirring parts drives fluctuation sleeve to slide, fluctuation sleeve set, on percussion hammer gear 13, is worked, after fork is stressed by the rotating band movable pendulum bar of percussion hammer gear, act on one end that percussion hammer 8 extends cylinder block 5, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, so just make electric hammer structure be in percussion hammer duty.Electric hammer structure described in the utility model, structure is simple, small volume, pass through transforming gear, can switch between hammer, brill, hammer drill three kinds of duties quickly and easily, just can realize multiple work functions by an electric hammer structure, effectively increase work efficiency.
Described parts 16 of stirring comprise shift fork 18, locking plate fixed axis 19, shift fork 18 active card is contained in the fork slot 20 stirred on sleeve 15, locking plate fixed axis 19 one end is arranged on shift fork 18, locking plate fixed axis 19 other end is arranged on tooth-like locking plate 21, gear shift operation parts 17 comprise knob assembly 22, knob 23, knob assembly 22 is arranged in " U " type boss resettlement groove of shift fork 18 by round boss, knob assembly 22 opposite side is placed on knob 23 by boss, knob 23 is set to when driving knob assembly 22 to rotate to drive the structure of stirring sleeve 15 and horizontally slipping.As shown in Figure 4, shift fork front end is buckled in internal gear and stirs in the fork slot of sleeve, and the horizontally slipping of shift fork can realize internal gear and stir horizontally slipping of sleeve, and shift fork is provided with hole, locking plate fixed axis side is arranged on the hole of shift fork, is fixed on shift fork by locking plate fixed axis by nut.Tooth-like locking plate is arranged on locking plate fixed axis opposite side, is fixedly mounted on locking plate fixed axis by tooth-like locking plate by nut." U " type boss resettlement groove is provided with on the upside of shift fork, knob assembly is arranged in " U " type boss resettlement groove of shift fork by round boss, knob assembly opposite side is placed on knob by boss, to reach knob twisting knob assembly, the motion process that knob assembly drives shift fork to horizontally slip, realizes the control of stirring parts 16.
Described electric hammer structure comprises brill and hits parts 24, brill hits parts 24 and comprises motor 2, helical gear 7, duplicate gear 25, tool bit 12, rotor 26 and the helical gear 7 be arranged on jackshaft 4 of described motor 2 are connected with a joggle, described duplicate gear 25 is connected with a joggle with the gear wheel 10 being arranged on cylinder block 5 outside, and gear wheel 10 side is set to be resisted against the structure on gear back-up ring 27.As shown in Figures 1 and 2, rotor engages with helical gear and installs, as first order speed change; Duplicate gear one side gear engages with gear wheel and installs, as second level speed change.Gear wheel is arranged on drill bush component body 32, and the spline fitted that the spline that gear wheel is processed and drill bush component body 32 are processed is installed, and the other end adopts the fixed installation of gear back-up ring.
Described electric hammer structure comprises hammering parts 28, hammering parts 28 comprise cylinder block 5, percussion hammer 8, fork 9, impact part 29, fork 9 one end is flexibly connected by connecting pin 30 with percussion hammer 8, on the oscillation bearing 31 of fork 9 other end movable set on jackshaft 4, cylinder block 5 is arranged in drill bush component body 32, tool bit 12 is arranged on drill bush component body 32, impact part 29 comprises buffer spring 33, back-up ring 34 before impact bar, back-up ring 35 after impact bar, collide bar 36, collide bar 36 and to be arranged on before impact bar back-up ring 34 and after colliding bar on back-up ring 35, back-up ring 34 and collide to collide on bar 36 between back-up ring 35 after bar buffer spring 33 is set before impact bar, collide bar 36 and be set to the structure being positioned at same level line with percussion hammer 8 and tool bit 12.
The rotor 26 of described motor 2 is arranged in electric hammer housing 1 by bearing, and be also provided with lithium battery 41 in described electric hammer housing 1, lithium battery 41 is connected with motor 2 and control assembly 3 respectively.
One end that described cylinder block 5 is connected with fork 9 arranges recessed fluting portion 37, the side end face 38 at described two ends, fluting portion 37 arranges connecting hole 39 respectively, connecting pin 30 is movably arranged in two connecting holes 39, described fork 9 one end is sleeved on connecting pin 30 position being positioned at fluting portion 37 by perforating movable, fork 9 other end passes through collar portion 40 movable set on oscillation bearing 31.Cylinder block is arranged on the fork of oscillation bearing, and mounting means adopts pin mode, and piston pin is arranged in the hole of cylinder block side, and piston pin is provided with twice groove, is stuck in the twice groove of piston pin by pair of openings packing ring, prevents piston pin from sliding in cylinder block.
Described percussion hammer 8 is movably arranged in cylinder block 5, and percussion hammer 8 end is provided with cannelure 42, installs cylinder O type circle 43, cylinder O type circle 43 and be resisted against on cylinder block 5 inwall in cannelure 42.Whole cylinder block is enclosed within drill bush component body 32, under entirety profit oil condition, cylinder block can in drill bush component body 32 easy slide, percussion hammer is placed in cylinder block, percussion hammer end leaves groove, for installing cylinder O type circle, cylinder O type circle, for blocking two space inner air flows in cylinder block, is airtight in the rightward space of guarantee cylinder block.Cylinder block, percussion hammer, drill bush component body 32 three are on the same axis.In electric hammer structure described in the utility model, the overall interference fit of impact part is arranged on drill bush component body 32, back-up ring before impact bar, back-up ring after impact bar, buffer spring, O type circle holder is by order installation from left to right, wherein O type circle holder is provided with groove for placing O type circle, back-up ring before impact bar, after impact bar, back-up ring forms an impact space after installing, impact bar is arranged on back-up ring before impact bar, after impact bar in back-up ring and O type circle holder three internal holes, the shape of impact bar is as same " ten " font, impact bar bossing can move left and right in impact space.
Described electric hammer structure also comprises drill bit quick-release parts 44, drill bit quick-release parts 44 comprise steel ball back-up ring 45, circle 46, collet sleeve 47, steel ball 48, little spring 49, collet sleeve 47, circle 46, steel ball back-up ring 45 is installed from left to right successively, steel ball 48 is placed in the screens hole of tool bit 12, circle 46, the position of steel ball 48 is fixed by steel ball back-up ring 45, tool bit 12, drill bit quick-release parts 44, impact part 29, cylinder block 5, percussion hammer 8, drill bush component body 32 is set to be positioned at the structure on same central axis, described collet sleeve 47 is provided with plastic material dust plug 52.
Described electric hammer structure also comprises assist handle 50, assist handle 50 is fixedly mounted on electric hammer housing 1, groove fit on electric hammer housing 1 front end outer setting projection and assist handle 50 is installed, placement assist handle slides, assist handle 50 lower end is provided with handle, is fixed by screw, installs jig 51 in the jig hole on assist handle 50, the effect of jig 51 is when electric hammer arrangement works, control tool drill bit pierce the degree of depth.
Operation principle of the present utility model is:
As shown in Figure 6, opened by gear shift operation parts (electric hammer switch), acquiescence original speed position is hammer drill gear, at this moment, rotor obtains electric work under the effect of control assembly, and rotor drives the helical gear be arranged on jackshaft to rotate, and drives jackshaft to rotate; The situation of original speed position hammer drill pattern be jackshaft by the percussion hammer gear on it and drill bit gear with stir engagement sleeves, and stir sleeve while engaging with the duplicate gear realizing boring function and driving gear wheel, fork work can also be driven, thus drive percussion hammer work simultaneously, like this, the rotation being arranged on the gear wheel on drill bush component body 32 drives the tool bit be arranged on drill bush component body to rotate, and achieves brill; And fork swings, cylinder block horizontally slips under the swing of fork, percussion hammer in cylinder block horizontally slips reciprocating compression gas, the air pressure in cylinder block is made to be cyclically-varying, the air pressure of change makes percussion hammer clash in periodic reverse in cylinder block, the impact bar in percussion hammer impact parts, impact bar left and right percussion movement reciprocating percus-sion tool bit, achieve hammer, whole process implementation hammer drill duty.
As shown in Figure 7, close gear shift operation parts (electric hammer switch), change gear, knob clockwise shearing proper angle, arrive hammer pattern, knob drives the knob assembly be arranged on knob to rotate, drive shift fork slippage suitable distance to the right, shift fork drives internal gear to stir sleeve 31 slippage suitable distance to the right, stir sleeve and percussion hammer gears meshing, and depart from drill bit gear, at this moment, jackshaft rotates and only drives fork to swing, cylinder block horizontally slips under the swing of fork, percussion hammer in cylinder block horizontally slips reciprocating compression gas, air pressure in cylinder block is cyclically-varying, the air pressure of change makes percussion hammer clash in periodic reverse in cylinder block, percussion hammer impact bar, impact bar left and right percussion movement reciprocating percus-sion tool bit, only achieve the duty of hammer.
As shown in Figure 8, close gear shift operation parts (electric hammer switch), change gear, knob counter-clockwise rotation proper angle, arrive drill jig formula, knob drives the knob assembly be arranged on knob to rotate, drive shift fork slippage suitable distance to the left, shift fork drives internal gear to stir sleeve slippage suitable distance left, stir sleeve and drill bit gears meshing, and depart from percussion hammer gear, at this moment, the rotation of jackshaft only drives the gear wheel 54 of the duplicate gear engagement be arranged on drill bush component body 32 to rotate, the rotation being arranged on the gear wheel on drill bush component body 32 drives the tool bit be arranged on drill bush component body 32 to rotate, only achieve the duty of brill.Multifunctional electric hammer structure described in the utility model, component actuation is stirred by gear shift operation component controls, when being in brill hammer state, stirring parts drive and stir sleeve slip, stir sleeve two ends and be set on percussion hammer gear and drill bit gear, at this moment, control assembly controls machine operation, and the motor gear of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, bull gear drive is driven, implementation tool drill bit 12 rotation work when jackshaft rotates; Meanwhile, sliding set jacket casing is contained on percussion hammer gear, worked by percussion hammer gear driven fork, after fork is stressed, act on one end that percussion hammer extends cylinder block, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, so just make electric hammer structure be in percussion hammer duty.When needing electric hammer structure to be in the duty of brill, only need to stir component actuation by gear shift operation component controls, stir parts drive and stir sleeve slip, sliding set jacket casing is contained on drill bit gear, at this moment, control assembly controls machine operation, the motor gear of motor engages with the helical gear on jackshaft, drives jackshaft to rotate, drives bull gear drive when jackshaft rotates, implementation tool drill bit rotational works, and electric hammer structure is in the duty of brill; When needing electric hammer structure to be in the duty of hammer, only need to stir component actuation by gear shift operation component controls, stir parts drive and stir sleeve slip, sliding set jacket casing is contained on percussion hammer gear, is worked, after fork is stressed by the rotating band movable pendulum bar of percussion hammer gear, act on one end that percussion hammer extends cylinder block, drive percussion hammer reciprocating in cylinder block, thus drive percussion hammer constantly to clash into drill bit, the electric hammer structure being so is just in percussion hammer duty.Electric hammer structure described in the utility model, structure is simple, small volume, pass through transforming gear, can switch between hammer, brill, hammer drill three kinds of duties quickly and easily, just can realize multiple work functions by an electric hammer structure, not need frequently to change electric hammer structure, effectively improve the operating efficiency of electric hammer structure.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; the concrete realization of obvious the utility model is not subject to the restrictions described above; as long as have employed the various improvement that method of the present utility model is conceived and technical scheme is carried out; or design of the present utility model and technical scheme directly applied to other occasions, all in protection domain of the present utility model without to improve.

Claims (9)

1. a multifunctional electric hammer structure, described electric hammer structure comprises electric hammer housing (1), it is characterized in that: in described electric hammer housing (1), motor (2) is set, motor (2) and control motor (2) turn the control assembly (3) stopped and are connected, jackshaft (4) is also provided with in described electric hammer housing (1), cylinder block (5), the motor gear (6) of motor (2) engages with the helical gear (7) on jackshaft (4), cylinder block (5) inside suit percussion hammer (8), one end that percussion hammer (8) extends cylinder block (5) is connected with fork (9) one end, fork (9) other end is connected with jackshaft (4), the gear wheel (10) that cylinder block (5) outer setting engages with jackshaft (4), cylinder block leading section (11) the erecting tools drill bit (12) of cylinder block (4), jackshaft (4) is arranged percussion hammer gear (13) and drill bit gear (14), clearance portion between percussion hammer gear (13) and drill bit gear (14) arranges and stirs sleeve (15), stir sleeve (15) and can control to stir the parts (16) of stirring that sleeve (15) horizontally slips and be connected, stir parts (16) to be connected with the gear shift operation parts (17) that can control to stir parts (16) transforming gear.
2. multifunctional electric hammer structure according to claim 1, it is characterized in that: described parts (16) of stirring comprise shift fork (18), locking plate fixed axis (19), shift fork (18) active card is contained in the fork slot (20) stirred on sleeve (15), locking plate fixed axis (19) one end is arranged on shift fork (18), locking plate fixed axis (19) other end is arranged on tooth-like locking plate (21), gear shift operation parts (17) comprise knob assembly (22), knob (23), knob assembly (22) is arranged in " U " type boss resettlement groove of shift fork (18) by round boss, knob assembly (22) opposite side is arranged on knob (23) by boss, knob (23) is set to drive the structure of stirring sleeve (15) and horizontally slipping when driving knob assembly (22) to rotate.
3. multifunctional electric hammer structure according to claim 1, it is characterized in that: described electric hammer structure comprises brill and hits parts (24), brill hits parts (24) and comprises motor (2), helical gear (7), duplicate gear (25), tool bit (12), rotor (26) and the helical gear (7) be arranged on jackshaft (4) of described motor (2) are connected with a joggle, described duplicate gear (25) is connected with a joggle with the gear wheel (10) being arranged on cylinder block (5) outside, gear wheel (10) side is set to be resisted against the structure on gear back-up ring (27).
4. multifunctional electric hammer structure according to claim 1, it is characterized in that: described electric hammer structure comprises hammering parts (28), hammering parts (28) comprise cylinder block (5), percussion hammer (8), fork (9), impact part (29), fork (9) one end is flexibly connected by connecting pin (30) with percussion hammer (8), on the oscillation bearing (31) of fork (9) other end movable set on jackshaft (4), cylinder block (5) is arranged in drill bush component body (32), tool bit (12) is arranged on drill bush component body (32), impact part (29) comprises buffer spring (33), back-up ring (34) before impact bar, back-up ring (35) after impact bar, collide bar (36), colliding bar (36) to be arranged on before impact bar after back-up ring (34) and collision bar on back-up ring (35), back-up ring (34) and collide to collide on bar (36) between back-up ring (35) after bar buffer spring (33) is set before being positioned at impact bar, collide bar (36) and be set to the structure being positioned at same level line with percussion hammer (8) and tool bit (12).
5. multifunctional electric hammer structure according to claim 1, it is characterized in that: the rotor (26) of described motor (2) is arranged in electric hammer housing (1) by bearing, also be provided with lithium battery (41) in described electric hammer housing (1), lithium battery (41) is connected with motor (2) and control assembly (3) respectively.
6. multifunctional electric hammer structure according to claim 4, it is characterized in that: one end that described cylinder block (5) is connected with fork (9) arranges recessed fluting portion (37), the side end face (38) at described fluting portion (37) two ends arranges connecting hole (39) respectively, connecting pin (30) is movably arranged in two connecting holes (39), described fork (9) one end is sleeved on connecting pin (30) position being positioned at fluting portion (37) by perforating movable, fork (9) other end passes through collar portion (40) movable set on oscillation bearing (31).
7. multifunctional electric hammer structure according to claim 4, it is characterized in that: described percussion hammer (8) is movably arranged in cylinder block (5), percussion hammer (8) end is provided with cannelure (42), install cylinder O type circle (43) in cannelure (42), cylinder O type circle (43) is resisted against on cylinder block (5) inwall.
8. multifunctional electric hammer structure according to claim 4, it is characterized in that: described electric hammer structure also comprises drill bit quick-release parts (44), drill bit quick-release parts (44) comprise steel ball back-up ring (45), circle (46), collet sleeve (47), steel ball (48), little spring (49), collet sleeve (47), circle (46), steel ball back-up ring (45) is installed from left to right successively, steel ball (48) is placed in the screens hole of tool bit (12), circle (46), the position of steel ball (48) is fixed by steel ball back-up ring (45), tool bit (12), drill bit quick-release parts (44), impact part (29), cylinder block (5), percussion hammer (8), drill bush component body (32) is set to be positioned at the structure on same central axis, described collet sleeve (47) is provided with plastic material dust plug (52).
9. multifunctional electric hammer structure according to claim 4, it is characterized in that: described electric hammer structure also comprises assist handle (50), assist handle (50) is fixedly mounted on electric hammer housing (1), groove fit on electric hammer housing (1) front end outer setting projection and assist handle (50) is installed, assist handle (50) lower end is provided with handle, installs jig (51) in the jig hole on assist handle (50).
CN201520603514.6U 2015-08-07 2015-08-07 Multi -functional electric hammer structure Expired - Fee Related CN204913814U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520603514.6U CN204913814U (en) 2015-08-07 2015-08-07 Multi -functional electric hammer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520603514.6U CN204913814U (en) 2015-08-07 2015-08-07 Multi -functional electric hammer structure

Publications (1)

Publication Number Publication Date
CN204913814U true CN204913814U (en) 2015-12-30

Family

ID=54962993

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520603514.6U Expired - Fee Related CN204913814U (en) 2015-08-07 2015-08-07 Multi -functional electric hammer structure

Country Status (1)

Country Link
CN (1) CN204913814U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058327A (en) * 2015-08-07 2015-11-18 安徽工程大学 Multifunctional electric hammer structure
WO2019024203A1 (en) * 2017-08-01 2019-02-07 江苏东成机电工具有限公司 Multifunctional electric hammer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105058327A (en) * 2015-08-07 2015-11-18 安徽工程大学 Multifunctional electric hammer structure
WO2019024203A1 (en) * 2017-08-01 2019-02-07 江苏东成机电工具有限公司 Multifunctional electric hammer

Similar Documents

Publication Publication Date Title
EP2428323B1 (en) Impact tool
JP5015697B2 (en) Impact tool
CN2661382Y (en) Hammer anvil
CN100513090C (en) Dual-speed multifunctional electric hammer
CN204913814U (en) Multi -functional electric hammer structure
EP1561547A3 (en) Drilling machine
CN101479078A (en) Electric hand tool
CN103221184A (en) Hammer percussion mechanism
CN103696693A (en) Hydraulic oscillator for well drilling
CN105058327A (en) Multifunctional electric hammer structure
CN103216193B (en) Rectangular hole well drill
CN202011006U (en) Portable bifunctional electric hammer
CN104275682A (en) Hammer drill
CN108316385B (en) Breaking hammer and working method thereof
CN206883573U (en) The electronic poll pick of spring
EP2883659B1 (en) Hammer drive mechanism
CN202607621U (en) Multi-functional two-speed electric hammer
US10518400B2 (en) Work tool
CN204339744U (en) A kind of double speed electric hammer
CN102649266A (en) Multifunctional double-speed electric hammer
CN201815718U (en) Drilling device with double motors
CN103343664A (en) Hydraulic shock slewing drilling machine
CN203956874U (en) Electric hammer percussion drill
CN103221183A (en) Hammer percussion mechanism
CN207747002U (en) The operating mode switching mechanism of electric hammer

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151230

Termination date: 20160807