CN102756358B - Buffering variable frequency impact type multifunctional electric tool - Google Patents

Buffering variable frequency impact type multifunctional electric tool Download PDF

Info

Publication number
CN102756358B
CN102756358B CN201210259173.6A CN201210259173A CN102756358B CN 102756358 B CN102756358 B CN 102756358B CN 201210259173 A CN201210259173 A CN 201210259173A CN 102756358 B CN102756358 B CN 102756358B
Authority
CN
China
Prior art keywords
oscillator
housing
handle
impact type
spring
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
CN201210259173.6A
Other languages
Chinese (zh)
Other versions
CN102756358A (en
Inventor
郭彪
汪建文
李丹宁
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.)
GUIZHOU ACADEMY OF SCIENCES
Original Assignee
GUIZHOU ACADEMY OF SCIENCES
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 GUIZHOU ACADEMY OF SCIENCES filed Critical GUIZHOU ACADEMY OF SCIENCES
Priority to CN201210259173.6A priority Critical patent/CN102756358B/en
Publication of CN102756358A publication Critical patent/CN102756358A/en
Application granted granted Critical
Publication of CN102756358B publication Critical patent/CN102756358B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Percussive Tools And Related Accessories (AREA)

Abstract

The invention discloses a buffering variable frequency impact type multifunctional electric tool comprising a housing (13) and a handle (1), wherein the handle (1) is mounted on one side at the upper end of the housing (13); an in-handle transmission shaft (2) is mounted in the handle (1); one end of the in-handle transmission shaft (2) is connected with a crankshaft (4); the crankshaft (4) is mounted at the upper end of the housing (13) through a bearing (6); a plug hammer (7) is arranged in the middle section of the housing (13); the top of the plug hammer (7) is connected with the middle of the crankshaft (4) through a connecting rod (5); a double-spring oscillator is mounted at the lower section of the housing (13); and the lower end of the oscillator (8) of the double-spring oscillator is connected with a tool piece (16). According to the multifunctional electric tool, the problem that a handheld external power tool cannot perform a high-frequency vibration impacting function is solved; the weight is light; the structure is durable; and functions of hammering, shoveling, riveting, matting, cutting, carving, chiseling and the like can be realized.

Description

A kind of cacheable frequency conversion impact type multi-functional electric tools
Technical field
The present invention relates to a kind of hand-held electronic vibration instrument.
Background technology
Power hand tool is in the market all that to realize spinfunction be object, as electric drill etc., and lack, realizes the electric tool that impacts function.At needs hammer, shovel, riveting, sulfonium, cut, carve, during the action such as cutter, normally rely on and manually complete, or utilize pneumatic tool to complete, but pneumatic tool can only be done low-frequency vibration, cannot realize the vibration beating of high frequency, and existing pneumatic tool is when when work runs into hard objects, can not cushion, tool heads cannot hit into, reaction force can make instrument itself upspring backward, may damage human body.
Summary of the invention
The technical problem to be solved in the present invention: can not realize for hand-held outer power tool in the market the problem that dither impacts function and can not cushion, a kind of cacheable frequency conversion impact type multi-functional electric tools is provided.
Technical scheme of the present invention:
A kind of cacheable frequency conversion impact type multi-functional electric tools, comprise housing and handle, handle is arranged on a side of housing upper end, handle intermediate solid drive shaft is installed in handle, its one end and bent axle connect, bent axle is arranged on the upper end of housing by bearing, be provided with plug hammer in housing stage casing, and its top is by the connection of shrinking connecting-rod and bent axle; The hypomere of housing is provided with Double-spring oscillator, and the lower end of the oscillator of Double-spring oscillator is connected with tool piece by connector.
Shrinking connecting-rod is enclosed within on the core that shakes and is formed by upper boom cover, and install on bent axle upper boom set upper side, and the core lower end that shakes is arranged in the installation shaft of plug hammer upper end, and there is a circle convex edge at the core upper semisection middle part that shakes, and a spring is respectively installed in the both sides up and down of convex edge.
Double-spring oscillator is comprised of oscillator, oscillator cover and oscillator spring, oscillator cover is barrel-shaped, bottom surface perforate on it, the diameter of aperture and oscillator is identical, oscillator runs through this two holes, there is the oscillator wing of a circle projection at oscillator middle part, and on oscillator, cover has two oscillator springs, lays respectively at upside and the downside of the oscillator wing.
Connector is fixed on oscillator lower end, and both sides are provided with spring leaf mounting board, and tool piece is enclosed within connector lower end.
On the sidewall of housing hypomere, offer adjustment tank, the adjustment screw identical with adjustment tank width with diameter is fixed on enclosure interior by Double-spring oscillator.
Housing is fixed with jacket casing in stage casing, and plug hammer is arranged in jacket casing and is slidably matched with its inwall.
Between bent axle and handle intermediate solid drive shaft, by clutch, connect, the gauge tap of clutch is located at the left end downside of handle.
The lower end of housing is connected with conical shell, in the profile of tooth circular hole of conical shell lower end, is provided with adjustment ring, and oscillator lower end is through adjustment ring.
Oscillator lower end is square, and there is the square hole running through adjustment ring inside, and there is convex edge at the upper and lower two ends of adjustment ring, have the profile of tooth of a circle projection on the latter half sidewall, and the profile of tooth circular hole of conical shell lower end matches, and on the first half sidewall, cover has spring.
The right-hand member of handle is connected with adjustable frequency motor by flexible axle, and the transmission inner core in handle intermediate solid drive shaft and flexible axle connects.
Beneficial effect of the present invention:
1. the variable power that motor produces is delivered to the handle intermediate solid drive shaft of this instrument through flexible pipe, pass to again bent axle, bent axle is converted into the power of rotation the reciprocating power of plug hammer in the vertical direction by connecting rod, plug hammer impact oscillator in the process moving up and down, thereby make oscillator drive tool piece vibration, to replace existingly knocking tool piece with manpower.
2. adopt Double-spring oscillator, intrinsic frequency is high, and oscillator can be got back to initial position fast to accept impact next time, can realize the vibration of high frequency.
3. the position of Double-spring oscillator in instrument can regulate by adjusting screw, adjusts the relative distance of oscillator and plug hammer, to adapt to the impact of motor different frequency, obtains the effect that low frequency bang or high frequency touch.
4. bent axle and handle inside connecting rod adopt clutch to connect, and can guarantee so the steady input of moment, and can the input of moment be adjusted by the switch of clutch, to meet different operating mode needs.
5. the connection of bent axle and plug hammer adopts shrinking connecting-rod, when tool piece end run into hard thing do not hit into, bent axle will compress shrinking connecting-rod and continue rotation, can therefore not produce excessive reaction force human body is damaged, the while is also very favourable to the life-span of bent axle.
6. adopt flexible axle to transmit moment, be applicable to different places, and this instrument is not directly connected with power supply, the risk of not leaking electricity.
7. by changing tool piece, adjust frequency and impact distance, can realize multiple vibrating effect, to meet multiple work requirements, special design for the connector of fastening means part, only need press the mounting board of tool piece both sides, with regard to fast changeable tool piece.
Special design adjustment ring adjust the angle of tool piece, the i.e. rotatable angle of adjusting tool piece after adjustment ring is pulled out.
accompanying drawing explanation:
Fig. 1 is schematic diagram of the present invention.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the cutaway view of connector in the present invention.
the specific embodiment:
Embodiment: as figure mono-, right side, upper end at the housing 13 of tubular is provided with handle 1, and handle intermediate solid drive shaft 2 is installed in handle 1, and handle intermediate solid drive shaft 2 runs through whole handle 1, the right-hand member of its left end and bent axle 4 connects by clutch 3, and the gauge tap 15 of clutch 3 is arranged on handle 1 left end bottom.Bent axle 4 is positioned at the upper intersegmental part of housing 13, and its two ends are arranged in two bearings 6 on housing 13.The stage casing of bent axle 4 is overlapped 22 upper ends with the upper boom of shrinking connecting-rod and is connected, and in upper boom cover 22, the core 5 that shakes is installed, and there is a circle convex edge at the upper semisection middle part of the core 5 that shakes, and a spring is respectively installed in the both sides up and down of convex edge, and the lower end of the core 5 that shakes and plug hammer 7 connect.Plug hammer 7 forms and is slidably matched with the jacket casing 14 that is fixed on intersegmental part in housing 13, and plug hammer 7 tops are fluted, an axle of installation in groove, and the lower end of the core 5 that shakes is just enclosed within on this root axle.In housing 13 hypomeres, Double-spring oscillator is installed, Double-spring oscillator is comprised of oscillator 8, oscillator cover 9 and spring 10, oscillator cover 9 is barrel-shaped, bottom surface perforate on it, aperture is identical with the diameter of oscillator 8, and oscillator 8 runs through this two holes, there is the oscillator wing 17 of a circle projection at oscillator 8 middle parts, on oscillator 8, cover has two springs 10, lays respectively at upside and the downside of the oscillator wing 17, and oscillator 8 lower ends are connected with tool piece 16.The outer diameter of oscillator cover 8 is identical with the inner diameter of housing 13, on the sidewall of housing 13 hypomeres, offer adjustment tank 18, with the diameter adjustment screw 12 identical with adjustment tank 18 width, Double-spring oscillator is fixed on to housing 13 inside after adjusting the position of oscillator cover.The lower end of housing 13 is connected with conical shell 11, in the profile of tooth circular hole of conical shell 11 lower ends, be provided with adjustment ring 20, oscillator 8 lower ends are through adjustment ring 20, oscillator 8 lower ends are square, there is the square hole running through adjustment ring 20 inside, and adjustment ring has convex edge in two ends Shang Xia 20, have the profile of tooth of a circle projection on the latter half sidewall, match with the profile of tooth circular hole of conical shell 11 lower ends, on the first half sidewall, cover has spring.Connector 21 is fixed on oscillator 8 lower ends, and both sides are provided with spring leaf mounting board, and tool piece 16 is enclosed within connector 21 lower ends, and there is draw-in groove tool piece 16 upper ends, and the end of spring leaf mounting board is stuck in this draw-in groove.The right-hand member of handle 1 is connected with adjustable frequency motor by flexible axle 19, and the transmission inner core in handle intermediate solid drive shaft 2 and flexible axle 19 connects.
Operation principle: after actuating motor, the moment that flexible axle 19 produces motor passes to handle intermediate solid drive shaft 2, press gauge tap 15, clutch 3 closures, pass torque to bent axle 4, drivening rod 5 when bent axle 4 rotates, connecting rod 5 drives plug hammer 7 to move up and down, plug hammer 7 clashes into oscillator 8 in the process moving up and down, and oscillator 8 is up-down vibration together with tool piece 16.The distance of oscillator 8 and plug hammer 7 can adjust, and unclamps and adjusts the rear adjustment of screw 12 position, then tighten adjustment screw 12, so just can change the dynamics impacting, and can also can, by adjusting variable-speed motor rotating speed, change operating frequency simultaneously.
When tool piece 16 ends run into hard thing, do not hit and into, bent axle 4, will compress shrinking connecting-rod and continue rotation.
While changing tool piece 16, only need press spring leaf mounting board, unclamp after taking out and change tool piece 16.
In the time of need to adjusting tool piece 16 angle, adjustment ring 20 is pulled out, cooperation tooth between conical shell 11 and adjustment ring 20 is separated, rotation adjustment ring 20, drive oscillator 8 to rotate together with tool piece 16 simultaneously, after adjusting, unclamp adjustment ring 20, the cooperation profile of tooth under spring action between conical shell 11 and adjustment ring 20 coordinates.

Claims (9)

1. a kind of cacheable frequency conversion impact type multi-functional electric tools, comprise housing (13) and handle (1), handle (1) is arranged on a side of housing (13) upper end, it is characterized in that: handle intermediate solid drive shaft (2) is installed in handle (1), its one end and bent axle (4) connect, bent axle (4) is arranged on the upper end of housing (13) by bearing (6), be provided with plug hammer (7) in housing (13) stage casing, and its top connects by shrinking connecting-rod and bent axle (4); The hypomere of housing (13) is provided with Double-spring oscillator, Double-spring oscillator is comprised of oscillator (8), oscillator cover (9) and oscillator spring (10), oscillator cover (9) is barrel-shaped, bottom surface perforate on it, aperture is identical with the diameter of oscillator (8), oscillator (8) runs through this two holes, there is the oscillator wing (17) of a circle projection at oscillator (8) middle part, the upper cover of oscillator (8) has two oscillator springs (10), lay respectively at upside and the downside of the oscillator wing (17), the lower end of the oscillator of Double-spring oscillator (8) is connected with tool piece (16) by connector (21).
2. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, it is characterized in that: shrinking connecting-rod is enclosed within on the core that shakes (5) and is formed by upper boom cover (22), upper boom cover (22) upper end is arranged on bent axle (4), core (5) lower end that shakes is arranged in the installation shaft of plug hammer (7) upper end, there is a circle convex edge at shake core (5) upper semisection middle part, and a spring is respectively installed in the both sides up and down of convex edge.
3. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, is characterized in that: connector (21) is fixed on oscillator (8) lower end, and both sides are provided with spring leaf mounting board, and tool piece (16) is enclosed within connector (21) lower end.
4. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, it is characterized in that: on the sidewall of housing (13) hypomere, offer adjustment tank (18), the adjustment screw (12) identical with adjustment tank (18) width with diameter is fixed on housing (13) inside by Double-spring oscillator.
5. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, is characterized in that: housing (13) is fixed with jacket casing (14) in stage casing, and plug hammer (7) is arranged in jacket casing (14) and is slidably matched with its inwall.
6. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, it is characterized in that: between bent axle (4) and handle intermediate solid drive shaft (2), by clutch (3), connect, the gauge tap (15) of clutch (3) is located at the left end downside of handle (1).
7. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, it is characterized in that: the lower end of housing (13) is connected with conical shell (11), in the profile of tooth circular hole of conical shell (11) lower end, be provided with adjustment ring (20), oscillator (8) lower end is through adjustment ring (20).
8. cacheable frequency conversion impact type multi-functional electric tools according to claim 7, it is characterized in that: oscillator (8) lower end is square, there is the square hole running through adjustment ring (20) inside, there is convex edge at the upper and lower two ends of adjustment ring (20), on the latter half sidewall, there is the profile of tooth of a circle projection, with the profile of tooth circular hole of conical shell (11) lower end matches, on the first half sidewall, cover has spring.
9. cacheable frequency conversion impact type multi-functional electric tools according to claim 1, is characterized in that: the right-hand member of handle (1) is connected with adjustable frequency motor by flexible axle (19), and the transmission inner core in handle intermediate solid drive shaft (2) and flexible axle (19) connects.
CN201210259173.6A 2012-07-25 2012-07-25 Buffering variable frequency impact type multifunctional electric tool Expired - Fee Related CN102756358B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210259173.6A CN102756358B (en) 2012-07-25 2012-07-25 Buffering variable frequency impact type multifunctional electric tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210259173.6A CN102756358B (en) 2012-07-25 2012-07-25 Buffering variable frequency impact type multifunctional electric tool

Publications (2)

Publication Number Publication Date
CN102756358A CN102756358A (en) 2012-10-31
CN102756358B true CN102756358B (en) 2014-12-10

Family

ID=47051123

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210259173.6A Expired - Fee Related CN102756358B (en) 2012-07-25 2012-07-25 Buffering variable frequency impact type multifunctional electric tool

Country Status (1)

Country Link
CN (1) CN102756358B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2246394C2 (en) * 2002-12-26 2005-02-20 Колган Юрий Никитович Perforator or hummer
CN1663748A (en) * 2005-04-12 2005-09-07 贺启宇 Low-noise strong-impact weak-recoil electric hammer drill
CN1853865A (en) * 2005-04-25 2006-11-01 希尔蒂股份公司 Percussive tool or drill
CN101027163A (en) * 2004-07-23 2007-08-29 加文·比尔斯 Nailer device
CN102343577A (en) * 2010-08-03 2012-02-08 株式会社牧田 Power tool
CN202684873U (en) * 2012-07-25 2013-01-23 贵州科学院 Bufferable variable-frequency impact type multifunctional electric tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2246394C2 (en) * 2002-12-26 2005-02-20 Колган Юрий Никитович Perforator or hummer
CN101027163A (en) * 2004-07-23 2007-08-29 加文·比尔斯 Nailer device
CN1663748A (en) * 2005-04-12 2005-09-07 贺启宇 Low-noise strong-impact weak-recoil electric hammer drill
CN1853865A (en) * 2005-04-25 2006-11-01 希尔蒂股份公司 Percussive tool or drill
CN102343577A (en) * 2010-08-03 2012-02-08 株式会社牧田 Power tool
CN202684873U (en) * 2012-07-25 2013-01-23 贵州科学院 Bufferable variable-frequency impact type multifunctional electric tool

Also Published As

Publication number Publication date
CN102756358A (en) 2012-10-31

Similar Documents

Publication Publication Date Title
CN101568410B (en) Electric hand power tool
CN105082083A (en) Hand-Held Power Tool
EP2821183B1 (en) Hammer Drill
CN202528150U (en) Multifunctional frequency-conversion impact type electric tool
CN102601775B (en) Frequency-variable impact multifunctional electric tool
CN101612729A (en) Hand-held working tool
CN204913814U (en) Multi -functional electric hammer structure
CN202684873U (en) Bufferable variable-frequency impact type multifunctional electric tool
CN105619342A (en) Electric tool
CN201900631U (en) Electrical impact hammer for driving nails
CN102756358B (en) Buffering variable frequency impact type multifunctional electric tool
CN106335031B (en) Electric hammer
CN216422453U (en) Electric pick
CN205604052U (en) Highway quartering hammer
CN104653711A (en) Power structure of percussion drill
CN213701886U (en) Electric drill anti-deviation auxiliary device and anti-deviation electric drill
CN202011076U (en) Concrete groove milling apparatus
CN108705490B (en) Hammer gear self-locking device of hammer and pick electric tool
CN204339744U (en) A kind of double speed electric hammer
CN202480066U (en) Spring oscillator tool head
CN207269429U (en) A kind of electric tool
CN201808051U (en) Power output mechanism for electric power tool
CN203853970U (en) Electric tool
CN201546618U (en) Pneumatic anchor bolt rock drill
CN105082074A (en) Impactor for a mechanical rotary percussion

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20160725

CF01 Termination of patent right due to non-payment of annual fee