CN207432140U - A kind of dual-purpose electric hammer - Google Patents
A kind of dual-purpose electric hammer Download PDFInfo
- Publication number
- CN207432140U CN207432140U CN201721109389.9U CN201721109389U CN207432140U CN 207432140 U CN207432140 U CN 207432140U CN 201721109389 U CN201721109389 U CN 201721109389U CN 207432140 U CN207432140 U CN 207432140U
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- CN
- China
- Prior art keywords
- gear
- clutch
- limit protrusion
- steel bushing
- electric hammer
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Abstract
The utility model provides a kind of dual-purpose electric hammer,Including electric hammer main body,Electric hammer main body is equipped with motor,Transmission device,Steel bushing,Steel bushing is rotatably installed in electric hammer main body,Transmission device contains two drive paths,First drive path includes motor,Eccentric wheel gear,Eccentric wheel,Piston rod,Eccentric wheel is rotatably installed in electric hammer main body,Eccentric wheel gear is fixedly mounted on eccentric wheel,Piston rod one end is fixed on eccentric wheel,The other end is connected with digging the terminal of wall,Motor band movable eccentric wheel gear rotates,So as to be rotated with movable eccentric wheel,Piston rod moves reciprocatingly under this power,Article 2 drive path includes plate gear,Steel bushing and spiral bevel gear,Eccentric wheel gear coordinates with plate gear,In plate gear rotational installation electric hammer main body,Spiral bevel gear is fixedly connected with plate gear,And it rotates with one heart,The utility model,Using more stable,It is easy to operate.
Description
Technical field
The utility model belongs to the technical field of engineering machinery, is specially a kind of dual-purpose electric hammer.
Background technology
In electric hammer at home, a kind of function is punching, and another function is chisel wall, here it is dual-purpose electric hammer, when dual-purpose
When electric hammer carries out chisel wall, a twisting left side is adjusted to stir and drives steel bushing gear, steel bushing gear moves down, and steel bushing gear departs from, and function turns
Change and complete, chisel wall operation can be carried out, when dual-purpose electric hammer punching, the twisting right side is adjusted to stir, steel bushing gear returns under the action of the spring
Position, power and energy are completed, and carry out drilling operation.
Dual-purpose electric hammer design in the market is unreasonable, reduces the quality and efficiency of electric hammer, and 1, adjust and turn round not easy to operate, it uses
It is inconvenient；2nd, adjust to turn round and be mounted on machine surface, easily collide in practical operation, use is dangerous；3rd, electric hammer when digging wall because
It is plastic material to adjust torsion, and hardness is inadequate, and gear sub-argument causes machine breakdown when unclear；4th, in punching, load increases electric hammer, steel
Sleeve gear, which easily comes off, causes the damage of steel bushing gear.
Utility model content
Easy to operate the purpose of this utility model is to provide a kind of dual-purpose electric hammer, easy to use, service life is longer.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：
A kind of dual-purpose electric hammer, including electric hammer main body, electric hammer main body is equipped with motor, transmission device, steel bushing, and steel bushing rotates peace
In electric hammer main body, transmission device contains two drive paths, first drive path include motor, eccentric wheel gear,
Eccentric wheel, piston rod, eccentric wheel are rotatably installed in electric hammer main body, and eccentric wheel gear is fixedly mounted on eccentric wheel, piston
Connecting rod one end is fixed on eccentric wheel, and the other end is connected with digging the terminal of wall, and motor band movable eccentric wheel gear rotates, so as to band
Movable eccentric wheel rotates, and piston rod moves reciprocatingly under this power, and Article 2 drive path includes plate gear, steel bushing and spiral shell
Bevel gear is revolved, eccentric wheel gear coordinates with plate gear, in plate gear rotational installation electric hammer main body, spiral bevel gear and tablet
Gear is fixedly connected, and is rotated with one heart, further includes forward-reverse switch and clutch, electric hammer main body is equipped with steel bushing, positive and negative to turn on
Control motor positive and inverse is closed, motor drives clutch to rotate by transmission device, and clutch drives steel bushing to rotate, and clutch includes
Gear wheel, dynamic clutch, quiet clutch and spring, wherein：
Quiet clutch is fixedly mounted on steel bushing one end, and quiet clutch is interference fitted with steel bushing, and quiet clutch includes axle sleeve A and limit convex
A is played, fixed on the end face of axle sleeve A there are two limit protrusion A, two limit protrusion A to be located on a diameter line of axle sleeve A, limit
Position protrusion A one sides form step with axle sleeve A end faces, and opposite side is provided with slope surface, and the slope surface to limit protrusion A tops begins to axis
Cover A end faces tail；
Dynamic clutch is rotatably installed on steel bushing, is slidably matched with steel bushing, and moving clutch includes axle sleeve B, limit protrusion B and /V
Raised C, dynamic clutch is set on the end face coordinated with quiet clutch is located at axle sleeve B there are two limit protrusion B, two limit protrusion B
A diameter line on, limit protrusion B one sides and axle sleeve B end faces form step, and opposite side is provided with slope surface, the slope surface to /V
Raised B tops are begun to axle sleeve B end faces tail, and limit protrusion B and limit protrusion A, which is formed, to be interfered, and the other end of dynamic clutch is equipped with
Two limit protrusion C, limit protrusion C one sides form step with axle sleeve B end faces, and opposite side is provided with slope surface, the slope surface and /V
Raised C forms step, and is connected with axle sleeve B end faces；
Spring is movably arranged on steel bushing, between quiet clutch and dynamic clutch, in compressive state；
Bull gear drive is mounted on steel bushing, is slidably matched with steel bushing, elastic tape is equipped on steel bushing, gear wheel includes
Axle sleeve C, gear and limited block, gear are located at mono- end face of axle sleeve C, and the spiral bevel gear of the gear and Article 2 drive path is matched somebody with somebody
Connection is closed, limited block is equipped with two pieces, is symmetricly set on another end face of axle sleeve C, and limited block is formed with limit protrusion C interferes.
Further, move clutch and spring contact position is provided with slot.
Further, move clutch and canine tooth wheel tread is provided with baffle ring.
Further, limit protrusion C opposite side slope surface and the slope surface of limit protrusion B opposite sides be symmetrical arranged.
The beneficial effects of the utility model are：
Forward-reverse switch control motor positive and inverse rotates, and motor is by being driven rotary device, and one side transfer motion power is to piston
Connecting rod, piston rod is front and rear to be hit, and realizes steel bushing vibrations, is equipped with iron pick in steel bushing front end, at the same the dynamic clutch of clutch with
Quiet clutch separation, steel bushing do not rotate, and iron pick hits wall completion chisel wall, and on the other hand, motor rotates backward, and motor drives canine tooth
Wheel rotates, and gear wheel drives dynamic clutch to rotate, and moves clutch and is rotated with quiet clutch cooperation, realizes that steel bushing rotates, pacify in steel bushing front end
Rotary head is filled, while steel bushing still shakes under shock before and after piston rod, completes punching functions, and one-way shaft is replaced using clutch
It holds, reduces cost, add service life, add baffle ring, baffle ring is effectively reduced quiet clutch, dynamic clutch and spring
Loss improves the service life, and clutch configuration is ingenious, and service life is long.
Description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the utility model explosive view.
Fig. 2 is the utility model transmission device schematic diagram.
Clutch engagement relation schematic diagram when Fig. 3 rotates forward for the utility model motor.
Clutch starts cooperation schematic diagram when Fig. 4 rotates forward for the utility model motor.
Clutch engagement relation schematic diagram when Fig. 5 is the utility model motor reversal.
Clutch starts cooperation schematic diagram when Fig. 6 is the utility model motor reversal.
Specific embodiment
The embodiment of the utility model is described in detail below in conjunction with attached drawing, but the utility model can be by right
It is required that the multitude of different ways for limiting and covering is implemented.
As shown in figure 1 and 2, a kind of dual-purpose electric hammer, including electric hammer main body, electric hammer main body is equipped with motor 10, transmission dress
It puts, steel bushing 3, steel bushing 3 is rotatably installed in electric hammer main body, and 2 one end of steel bushing can install the iron pick of chisel wall or the cutter of turn hole,
There is the structure that can install iron pick and cutter in existing dual-purpose electric hammer, this will not be repeated here, signified existing two electricity consumption
It hammers into shape to have the function of to dig wall and the electric hammer of turn hole.
Transmission device contains two drive paths, and first drive path 1 includes motor 10, eccentric wheel gear 11, partially
Heart wheel 12, piston rod 13, eccentric wheel 12 are rotatably installed in electric hammer main body, and eccentric wheel gear 11 is fixedly mounted on eccentric wheel 12
On, 13 one end of piston rod is fixed on eccentric wheel 12, and the other end is connected with digging the terminal of wall, and motor 10 is with movable eccentric wheel tooth
Wheel 11 rotates, and so as to being rotated with movable eccentric wheel 12, piston rod 13 moves reciprocatingly under this power, piston rod 13 it is reciprocal
Movement is to dig the major impetus of wall function, it is pointed out here that, when motor 10 is opened, piston rod 13 is to move reciprocatingly always
's.
Article 2 drive path 2 includes plate gear 20, steel bushing 3 and spiral bevel gear 21, eccentric wheel gear 11 and tablet
Gear 20 coordinates, and plate gear 20 is rotatablely installed in electric hammer main body, and spiral bevel gear 21 is fixedly connected with plate gear 20, and same
The heart rotates, and Article 2 drive path 2 is to provide rotational power, provides enough torques, turns to realize to wait just to open when needed
Hole function, the utility model are also provided with forward-reverse switch and clutch, forward-reverse switch control motor positive and inverse, and motor passes through
Transmission device drives clutch 4 to rotate, and clutch 4 drives steel bushing 3 to rotate, and is set in clutch 4 when motor 10 rotates forward and just matches somebody with somebody
Linkage is closed, when forward-reverse switch control motor 10 rotates forward, the cooperation of clutch 4 links, under the transmission of Article 2 drive path 2,
Steel bushing 3 rotates, and drives rotary cutter turn hole, and when forward-reverse switch control motor 10 inverts, clutch 4 separates, and steel bushing 3 stops turning
It is dynamic.
As shown in attached drawing 3 to attached drawing 6, clutch 4 includes gear wheel 40, dynamic clutch 41, quiet clutch 42 and spring 43,
In：
Quiet clutch 42 is fixedly mounted on 3 one end of steel bushing, and quiet clutch 42 is interference fitted with steel bushing 3, and quiet clutch 42 includes axle sleeve A
420 and limit protrusion A 421, fixed on the end face of axle sleeve A 420 there are two limit protrusion A 421, two limit protrusion A 421
On a diameter line of axle sleeve A 420,421 one sides of limit protrusion A form step with 420 end faces of axle sleeve A, and opposite side is set
Slope surface 422 is equipped with, the slope surface 422 to 421 tops of limit protrusion A begins to 420 end face tails of axle sleeve A.
Dynamic clutch 41 is rotatably installed on steel bushing 3, is slidably matched with steel bushing 3, and moving clutch 41 includes axle sleeve B 410, /V
Raised B 411 and limit protrusion C 412, dynamic clutch 41 set on end face coordinate with quiet clutch 42 there are two limit protrusion B
411, two limit protrusion B 411 are located on a diameter line of axle sleeve B 410,411 one sides of limit protrusion B and axle sleeve B 410
End face forms step, and opposite side is provided with slope surface 413, and the slope surface 413 to 411 tops of limit protrusion B begins to 410 ends of axle sleeve B
Face tail, limit protrusion B 411 and limit protrusion A 421, which is formed, to be interfered, and moves limit convex there are two being set on the other end of clutch 41
C 412 is played, 412 one sides of limit protrusion C form step with 410 end faces of axle sleeve B, and opposite side is provided with slope surface 414, the slope surface
414 form step with limit protrusion C 412, and are connected with 410 end faces of axle sleeve B, and dynamic clutch 41 is set with 40 contact surface of gear wheel
Baffle ring is equipped with, is symmetrically set in the slope surface 413 of 411 opposite sides of slope surface 414 and limit protrusion B of the opposite side of limit protrusion C 412
It puts.
Spring 43 is movably arranged on steel bushing 3, between quiet clutch 42 and dynamic clutch 41, in compressive state, due to big
Gear 40 is coordinated with spiral bevel gear 21, and the position of gear wheel 40 is constant under the thrust of spring 43, in this two electricity consumption
Hammer without using when, move clutch 41 it is separated with quiet clutch 42 under the promotion of spring 43, with gear wheel 40 to cooperation linkage,
Dynamic clutch 41 is provided with slot with 43 contact position of spring.
Gear wheel 40 is rotatably installed on steel bushing 3, is slidably matched with steel bushing 3, and elastic tape, canine tooth are equipped on steel bushing 3
Wheel 40 includes axle sleeve C 401, gear 402 and limited block 403, and gear 402 is located at 401 1 end faces of axle sleeve C, the gear 402 and
The spiral bevel gear 21 of Article 2 drive path 2 is connected, and limited block 403 is equipped with two pieces, is symmetricly set on axle sleeve C 401
On another end face, limited block 403 and limit protrusion C 401, which is formed, to be interfered.
When forward-reverse switch control motor 10 rotates forward, gear wheel 40 rotates, and limited block 403 is in the limit of dynamic clutch 41
The slope surface 414 of position protrusion 412 opposite sides of C is slided, and slope surface 414 is gradually high, and linkage is finally contacted with limit protrusion C 412, is promoted
Dynamic clutch 41, which is moved and driven to quiet clutch 42, to be moved clutch 41 and rotates, limit protrusion B 411 during rotation, finally with
Limit protrusion A 421 is engaged, and realizes and steel bushing 3 is driven to rotate, when transfer motion power, limited block 403 and limit protrusion C 412
Contact linkage, limit protrusion B 311 contact linkage with limit protrusion A 321, complete power transmission.
When forward-reverse switch control motor 10 inverts, gear wheel 40 rotates, limited block 403 and limit protrusion C 412
Opposite side is engaged, and under the action of spring 43, dynamic clutch 41 is moved to gear wheel 40, meanwhile, limit protrusion B 411 is being limited
The slope surface 422 of position protrusion A421 one sides hoists movement, and dynamic clutch 41 is completed to move to gear wheel 40 in the case where the two acts on,
Clutch 4 is separated at this time, not transfer motion power, and in not transfer motion power, limited block 403 is contacted with limit protrusion C 412
Linkage, dynamic clutch 41 are separated with quiet clutch 42.
Dynamic clutch 41 is provided with slot with 43 contact position of spring, and dynamic clutch 41 is provided with baffle ring with 40 contact surface of gear wheel, keeps off
The setting of circle substantially increases stability of the spring 43 when rotating, improves life of product.
Above-described the utility model embodiment does not form the restriction to scope of protection of the utility model, any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (4)
1. a kind of dual-purpose electric hammer, including electric hammer main body, electric hammer main body is equipped with motor, transmission device, steel bushing, steel bushing rotational installation
In electric hammer main body, transmission device contains two drive paths, and first drive path includes motor, eccentric wheel gear, partially
Heart wheel, piston rod, eccentric wheel are rotatably installed in electric hammer main body, and eccentric wheel gear is fixedly mounted on eccentric wheel, and piston connects
Bar one end is fixed on eccentric wheel, and the other end is connected with digging the terminal of wall, and motor band movable eccentric wheel gear rotates, so as to drive
Eccentric wheel rotates, and piston rod moves reciprocatingly under this power, and Article 2 drive path includes plate gear, steel bushing and spiral
Bevel gear, eccentric wheel gear coordinate with plate gear, in plate gear rotational installation electric hammer main body, spiral bevel gear and tablet tooth
Wheel is fixedly connected, and is rotated with one heart, which is characterized in that forward-reverse switch and clutch are further included, electric hammer main body is equipped with steel bushing,
Forward-reverse switch controls motor positive and inverse, and motor drives clutch to rotate by transmission device, and clutch drives steel bushing to rotate, from
Clutch includes gear wheel, dynamic clutch, quiet clutch and spring, wherein：
Quiet clutch is fixedly mounted on steel bushing one end, and quiet clutch is interference fitted with steel bushing, and quiet clutch includes axle sleeve A and limit protrusion A,
Limit protrusion A, two limit protrusion A to be located on a diameter line of axle sleeve A there are two being fixed on the end face of axle sleeve A, limit convex
It plays A one sides and forms step with axle sleeve A end faces, opposite side is provided with slope surface, and the slope surface to limit protrusion A tops begins to axle sleeve A ends
Face tail；
Dynamic clutch is rotatably installed on steel bushing, is slidably matched with steel bushing, and moving clutch includes axle sleeve B, limit protrusion B and limit protrusion
C, dynamic clutch is set on the end face coordinated with quiet clutch is located at the one of axle sleeve B there are two limit protrusion B, two limit protrusion B
On diameter line, limit protrusion B one sides form step with axle sleeve B end faces, and opposite side is provided with slope surface, the slope surface to limit protrusion
B tops are begun to axle sleeve B end faces tail, and limit protrusion B and limit protrusion A, which is formed, to be interfered, and is moved there are two being set on the other end of clutch
Limit protrusion C, limit protrusion C one sides form step with axle sleeve B end faces, and opposite side is provided with slope surface, the slope surface and limit protrusion C
Step is formed, and is connected with axle sleeve B end faces；
Spring is movably arranged on steel bushing, between quiet clutch and dynamic clutch, in compressive state；
Bull gear drive is mounted on steel bushing, is slidably matched with steel bushing, and elastic tape is equipped on steel bushing, and gear wheel includes axle sleeve
C, gear and limited block, gear are located at mono- end face of axle sleeve C, and the spiral bevel gear cooperation of the gear and Article 2 drive path connects
It connects, limited block is equipped with two pieces, is symmetricly set on another end face of axle sleeve C, and limited block is formed with limit protrusion C interferes.
2. dual-purpose electric hammer according to claim 1, which is characterized in that dynamic clutch is provided with slot with spring contact position.
3. dual-purpose electric hammer according to claim 1, which is characterized in that dynamic clutch is provided with baffle ring with canine tooth wheel tread.
4. dual-purpose electric hammer according to claim 1, which is characterized in that slope surface and /V in the opposite side of limit protrusion C
The slope surface of raised B opposite sides is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109389.9U CN207432140U (en) | 2017-08-31 | 2017-08-31 | A kind of dual-purpose electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721109389.9U CN207432140U (en) | 2017-08-31 | 2017-08-31 | A kind of dual-purpose electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432140U true CN207432140U (en) | 2018-06-01 |
Family
ID=62302238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721109389.9U Active CN207432140U (en) | 2017-08-31 | 2017-08-31 | A kind of dual-purpose electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207432140U (en) |
-
2017
- 2017-08-31 CN CN201721109389.9U patent/CN207432140U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |