CN107322536B - Quick reciprocating impact rotary electric hammer - Google Patents
Quick reciprocating impact rotary electric hammer Download PDFInfo
- Publication number
- CN107322536B CN107322536B CN201710788133.3A CN201710788133A CN107322536B CN 107322536 B CN107322536 B CN 107322536B CN 201710788133 A CN201710788133 A CN 201710788133A CN 107322536 B CN107322536 B CN 107322536B
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- motor
- installation cover
- central shaft
- rotary electric
- sleeve
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- 238000009434 installation Methods 0.000 claims abstract description 43
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D11/00—Portable percussive tools with electromotor or other motor drive
- B25D11/06—Means for driving the impulse member
- B25D11/066—Means for driving the impulse member using centrifugal or rotary impact elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses a rapid reciprocating impact rotary electric hammer, which comprises: first installation cover, second installation cover and first motor, first installation cover sets up the end at the second installation cover with one heart, be provided with first center pin in the first installation cover, first motor sets up in first installation cover, the output of first motor is provided with the installation cover, be provided with the swing arm on the installation cover, first center pin one side is provided with the gyro wheel that corresponds with the swing arm, be provided with reset spring between first center pin end and the first installation cover end and be connected, first center pin end is provided with slewer. Through the mode, the quick reciprocating impact rotary electric hammer provided by the invention has the advantages that the swing arm can strike the roller in a clearance manner by utilizing the rotation of the first motor, the reciprocating movement frequency of the first central shaft can be changed by adjusting the rotating speed of the first motor, and the second motor is utilized to drive the second central shaft to rotate so as to carry out impact rotation on the hammer head.
Description
Technical Field
The invention relates to the field of electric hammers, in particular to a quick reciprocating impact rotary electric hammer.
Background
The electric hammer is mainly used for drilling holes in concrete, floor slabs, brick walls and stone, and is also a multifunctional electric hammer which is adjusted to a proper position and can be used for replacing a common electric drill or an electric pick by being matched with a proper drill bit.
Because the drill bit of the electric hammer also generates rapid reciprocating motion (frequent impact) along the direction of the electric drill rod while rotating, the electric hammer can rapidly punch holes on materials such as cement concrete, stone and the like with high brittleness, but the reciprocating frequency is difficult to adjust, the speed is slow, and the working efficiency is low.
Disclosure of Invention
The invention mainly solves the technical problem of providing a quick reciprocating impact rotary electric hammer to adjust the impact frequency and improve the working efficiency.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a rapid reciprocating impact rotary electric hammer, including: first installation cover, second installation cover and first motor, first installation cover sets up the end at the second installation cover with one heart, be provided with first center pin in the first installation cover, first motor sets up in first installation cover, the output of first motor is provided with the installation cover, be provided with the swing arm on the installation cover, first center pin one side is provided with the gyro wheel that corresponds with the swing arm, be provided with reset spring between first center pin end and the first installation cover end and be connected, first center pin end is provided with slewer, be provided with the second center pin that is connected with slewer in the second installation cover.
In a preferred embodiment of the present invention, a hammer head is disposed at a front end of the second central shaft and is located outside a front end of the second mounting sleeve.
In a preferred embodiment of the invention, a first handle housing is arranged on one side of the first mounting sleeve.
In a preferred embodiment of the present invention, a spline housing is disposed in the first mounting sleeve, and a first external spline penetrating the spline housing is disposed on the first central shaft.
In a preferred embodiment of the present invention, a second external spline is disposed on the second central shaft, a second handle casing is disposed on one side of the second mounting sleeve, a second motor is disposed in the second handle casing, and a driving gear engaged with the second external spline is disposed at an output end of the second motor.
In a preferred embodiment of the present invention, a bearing corresponding to the second central shaft is disposed in the first mounting sleeve.
The invention has the beneficial effects that: according to the rapid reciprocating impact rotary electric hammer, the swing arm strikes the roller in a clearance mode by utilizing the rotation of the first motor, the first central shaft is pushed to move in a reciprocating mode under the action of the reset spring, the reciprocating movement frequency of the first central shaft can be changed by adjusting the rotating speed of the first motor, the second motor is used for driving the second central shaft to rotate, the impact rotation of the hammer head is carried out, and the crushing effect is good.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a rapid reciprocating impact rotary electric hammer according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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, an embodiment of the present invention includes:
a rapid reciprocating impact rotary electric hammer comprising: first installation cover 1, second installation cover 2 and first motor 8, first installation cover 1 is concentric to be set up at the end of second installation cover 2, be provided with first center pin 18 in the first installation cover 1, first motor 8 sets up in first installation cover 1, the output of first motor 8 is provided with installation cover 7, be provided with swing arm 19 on the installation cover 7, 18 one side of first center pin is provided with gyro wheel 10 that corresponds with swing arm 19, utilizes the rotation of first motor 8 for 19 intervals of swing arm beat gyro wheel 10, promote first center pin 18 and move forward.
The return spring 9 is arranged between the tail end of the first central shaft 18 and the tail end of the first mounting sleeve 1, the first central shaft 18 reciprocates under the action of the return spring 9, the rotation speed of the first motor 8 is adjusted, and the reciprocating frequency of the first central shaft 18 can be changed, so that the impact frequency is changed.
The end of the first central shaft 18 is provided with a turning device 13, the second mounting sleeve 2 is provided with a second central shaft 5 connected with the turning device 13, and the turning device 13 enables the rotation of the second central shaft 5 not to influence the axial movement of the first central shaft 18.
The front end of the second central shaft 5 is provided with a hammer 17 positioned outside the front end of the second mounting sleeve 2, the second central shaft 5 is utilized to drive the hammer 17 to rotate, and the first central shaft 18 is utilized to enable the hammer 17 to carry out high-frequency impact work.
The second central shaft 5 is provided with a second external spline 4, one side of the second mounting sleeve 2 is provided with a second handle shell 15, a second motor 16 is arranged in the second handle shell 15, the output end of the second motor 16 is provided with a driving gear 14 meshed with the second external spline 4, the second central shaft 5 is driven to rotate, and the speed is convenient to adjust.
Be provided with the bearing 3 that corresponds with second center pin 5 in the first installation cover 1, promoted the rotatory stability of second center pin 5.
In conclusion, the quick reciprocating impact rotary electric hammer disclosed by the invention has the advantages that the impact frequency and the rotation speed are flexibly adjusted, the application range is wide, and the working efficiency is improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (5)
1. A rapid reciprocating impact rotary electric hammer, comprising: the installation structure comprises a first installation sleeve, a second installation sleeve and a first motor, wherein the first installation sleeve is concentrically arranged at the tail end of the second installation sleeve, a first central shaft is arranged in the first installation sleeve, the first motor is arranged in the first installation sleeve, the output end of the first motor is provided with the installation sleeve, a swing arm is arranged on the installation sleeve, one side of the first central shaft is provided with a roller corresponding to the swing arm, a reset spring is arranged between the tail end of the first central shaft and the tail end of the first installation sleeve and connected with the first installation sleeve, the tail end of the first central shaft is provided with a rotating device, a second central shaft connected with the rotating device is arranged in the second installation sleeve, a spline sleeve is arranged in the first installation sleeve, and a first external spline penetrating through the spline sleeve is arranged on the first central shaft.
2. The rotary electric hammer with rapid reciprocating impact according to claim 1, wherein the front end of the second center shaft is provided with a hammer head located outside the front end of the second mounting sleeve.
3. The rotary quick reciprocating impact hammer of claim 1 wherein the first mounting sleeve is provided with a first handle housing on one side.
4. The quick reciprocating impact rotary electric hammer according to claim 1, wherein a second male spline is provided on the second central shaft, a second handle housing is provided on one side of the second mounting sleeve, a second motor is provided in the second handle housing, and a driving gear engaged with the second male spline is provided at an output end of the second motor.
5. The rotary electric hammer with rapid reciprocating impact according to claim 1, wherein a bearing corresponding to the second central shaft is provided in the first mounting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788133.3A CN107322536B (en) | 2017-09-05 | 2017-09-05 | Quick reciprocating impact rotary electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710788133.3A CN107322536B (en) | 2017-09-05 | 2017-09-05 | Quick reciprocating impact rotary electric hammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107322536A CN107322536A (en) | 2017-11-07 |
| CN107322536B true CN107322536B (en) | 2020-10-16 |
Family
ID=60204398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710788133.3A Active CN107322536B (en) | 2017-09-05 | 2017-09-05 | Quick reciprocating impact rotary electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107322536B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108581965B (en) * | 2018-04-23 | 2021-06-04 | 中山绿威科技有限公司 | Electric hammer and control method thereof |
| WO2022159471A1 (en) | 2021-01-19 | 2022-07-28 | Milwaukee Electric Tool Corporation | Rotary power tool |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2052975A (en) * | 1935-05-24 | 1936-09-01 | Charles L Griffin | Hammer |
| JPH0295582A (en) * | 1988-09-30 | 1990-04-06 | Hitachi Koki Co Ltd | Impact drill |
| US5730230A (en) * | 1995-08-15 | 1998-03-24 | Sisler; John S. | Rotary percussion drill |
| JP3680941B2 (en) * | 2002-01-18 | 2005-08-10 | マックス株式会社 | Concrete drill |
| CN202021588U (en) * | 2011-03-29 | 2011-11-02 | 南京德朔实业有限公司 | Electric hammer |
-
2017
- 2017-09-05 CN CN201710788133.3A patent/CN107322536B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107322536A (en) | 2017-11-07 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20240328 Address after: 321300 No.29 Huacheng West Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province Patentee after: ZHEJIANG DONGLI ELECTRIC APPLIANCE CO.,LTD. Country or region after: China Address before: 215400 No. 162 Renmin South Road, Chengxiang Town, Taicang City, Suzhou, Jiangsu Patentee before: SUZHOU AILEMENGTE ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |