CN205057973U - Three function shifters of electric hammer - Google Patents

Three function shifters of electric hammer Download PDF

Info

Publication number
CN205057973U
CN205057973U CN201520752070.2U CN201520752070U CN205057973U CN 205057973 U CN205057973 U CN 205057973U CN 201520752070 U CN201520752070 U CN 201520752070U CN 205057973 U CN205057973 U CN 205057973U
Authority
CN
China
Prior art keywords
spline
power
jackshaft
splined connection
electric hammer
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.)
Active
Application number
CN201520752070.2U
Other languages
Chinese (zh)
Inventor
王典
胡国武
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.)
SHANGHAI ELECTRIC TOOL RESEARCH INSTITUTE
Original Assignee
SHANGHAI ELECTRIC TOOL RESEARCH INSTITUTE
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
Priority to CN201520669732 priority Critical
Priority to CN201520669732X priority
Application filed by SHANGHAI ELECTRIC TOOL RESEARCH INSTITUTE filed Critical SHANGHAI ELECTRIC TOOL RESEARCH INSTITUTE
Priority to CN201520752070.2U priority patent/CN205057973U/en
Application granted granted Critical
Publication of CN205057973U publication Critical patent/CN205057973U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a three function shifters of electric hammer, including the support, be equipped with motor output shaft and rotatable cylinder on the support, be equipped with the piston on the cylinder, by piston area actuating cylinder back -and -forth movement, its characterized in that: be equipped with the gear wheel on the cylinder, the pinion meshes with the gear wheel mutually, and on the jackshaft was located to the pinion, the spline housing closely cooperated with the jackshaft, and on the jackshaft was located to the converter section, the one end of beat bearing linked to each other with the piston, is equipped with internal spline one, transition gear and the meshing of motor output shaft on the other end of beat bearing, and the function conversion of structure is accomplished through driving the converter section back -and -forth movement to the last internal spline no. 2 that is equipped with of transition gear, operating portion. The utility model discloses to remove the jackshaft and change into and remove the splined connection piece, and rely on the preceding spline of splined connection piece and back spline to mesh or separate, consequently processing is convenient, and the assembly is simple, and job stabilization has overcome traditional electric hammer gear and has switched generally to rely on the spring and remove the jackshaft and mesh or separate the defect of bringing.

Description

A kind of electric hammer three function switching mechanism
Technical field
The utility model relates to a kind of three function switching mechanisms for electric hammer.
Background technology
Electric hammer is a kind of conventional electric tool, is commonly used to concrete, metalwork, the drilling of the materials such as timber.Traditional electric hammer only has brill and hammer drill two functions mostly, certainly the multifunctional electric hammer with brill, hammer drill and pick is also had, but its function switches generally dependence spring and carries out engaging or being separated with mobile jackshaft, its processing technology difficulty, and due to the effect of spring, the mutual frictional force of parts is large, and heating is serious, and operate unreliable.
Utility model content
The purpose of this utility model is to provide a kind ofly processes easy and that caloric value is low three function switching mechanisms.
In order to achieve the above object, the technical solution of the utility model there is provided a kind of electric hammer three function switching mechanism, comprise support, support is provided with motor output shaft and rotatable cylinder, cylinder is provided with piston, moved forward and backward by piston driving cylinder, it is characterized in that: on cylinder, be provided with gear wheel, pinion is meshed with gear wheel, pinion is located on jackshaft, spline housing and jackshaft closely cooperate, converter section is located on jackshaft, one end of beat bearing is connected with piston, the other end of beat bearing is provided with internal spline one, transition gear engages with motor output shaft, transition gear is provided with internal spline two, operating portion moves forward and backward by driving converter section, complete the power and energy of structure.
Preferably, described converter section comprises power and energy block and splined connection, power and energy block is provided with internal spline three, splined connection is provided with front spline and rear spline, wherein the internal spline three of front spline and power and energy block closely cooperates, in addition the internal spline three of power and energy block, the front spline of splined connection and rear spline also respectively with described spline housing, the internal spline of described beat bearing and the internal spline two of described transition gear engage each other respectively, complete power and energy.
Preferably, described operating portion comprises adjusting knob and is located at the plectrum on described converter section, and adjusting knob to be connected with plectrum via straight pin thus to drive described converter section to move along the axial direction of described jackshaft.
Traditional electric hammer gear switch, generally relies on spring to carry out engaging or being separated with mobile jackshaft, its processing technology difficulty, the complicated effort of assembling, and operate unreliable.The utility model changes mobile jackshaft into mobile splined connection, and rely on the front spline of splined connection to carry out engaging or being separated with rear spline, therefore, the utility model is easy to process, and assembling is simple, working stability.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Profile when Fig. 2 is the brill function of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Profile when Fig. 3 is the hammer drill function of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Profile when Fig. 4 is the pick function of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Fig. 5 is the stereogram of the beat bearing of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Fig. 6 is the stereogram of the splined connection of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Fig. 7 is the stereogram of the transition gear of a kind of Novel electric hammer three function switching mechanism provided of the present utility model;
Fig. 8 is the power and energy block of a kind of Novel electric hammer three function switching mechanism provided of the present utility model and the stereogram being connected plectrum;
Fig. 9 is the stereogram of the adjusting knob of a kind of Novel electric hammer three function switching mechanism provided of the present utility model.
Detailed description of the invention
For making the utility model become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Composition graphs 1 to Fig. 9, the utility model relates to a kind of Novel electric hammer three function switching mechanism, it comprises aluminum frame 1, described aluminum frame 1 is provided with motor output shaft 2, cylinder 3, jackshaft 4 and adjusting knob 5, described cylinder 3 is provided with piston 6, piston 6 is connected with beat bearing 7, described cylinder 3 is provided with gear wheel 8, described jackshaft 4 is provided with pinion 9, described pinion 9 engages with gear wheel 8, described jackshaft 4 is also provided with beat bearing 7, transition gear 10, spline housing 11 and splined connection 12, described jackshaft 4 connects motor output shaft 2 by transition gear 10, described spline housing 11 closely cooperates with jackshaft 4, described transition gear 10 is provided with I class internal spline 13, described beat bearing 7 is provided with II class internal spline 14, the both sides of described splined connection 12 are provided with front spline 16 and rear spline 17, the II class internal spline 14 of described front spline 16 matched in clearance ground socket beat bearing 7, the I class internal spline 13 of described rear spline 17 matched in clearance ground socket transition gear 10, described splined connection 12 is also provided with power and energy block 18, described power and energy block 18 is provided with III class internal spline 15, coordinate with spline 16 moieties into close before splined connection 12, described power and energy block 18, spline housing 11, splined connection 12, the spline of beat bearing 7 and the spline of transition gear 10 form spline group, the III class internal spline 15 of wherein said power and energy block 18 carries out engaging or being separated with described spline housing 11, described power and energy block 18 also can drive splined connection 12, the front spline 16 of described splined connection 12 is made to carry out engaging or being separated with the II class internal spline 14 of described beat bearing 7, described power and energy block 18 also can drive splined connection 12, the rear spline 17 of described splined connection 12 is made to carry out engaging or being separated with the I class internal spline 13 of described transition gear 10, described power and energy block 18 is provided with plectrum 19, described adjusting knob 5 is provided with straight pin 20, described straight pin 20 is connected with plectrum 19, described plectrum 19 can be driven, power and energy block 18 is moved along the axial direction of described jackshaft 4.
Composition graphs 2, when electric hammer is implemented to bore function: adjusting knob 5 rotates, drive plectrum 19, power and energy block 18 is moved forward, the III class internal spline 15 of power and energy block 18 engages with spline housing 11, the front spline 16 of splined connection 12 is separated with the II class internal spline 14 of beat bearing 7, and the rear spline 17 of splined connection 12 engages with the I class internal spline 13 of transition gear 10; The power of motor output shaft 2 passes to splined connection 12 by transition gear 10, now beat bearing 7 departs from splined connection 12, namely do not have power to be failure to actuate, splined connection 12 closely cooperates power and energy block 18, and power and energy block 18 obtains power, spline housing 11 is driven to rotate, spline housing 11 and jackshaft 4 closely cooperate, and jackshaft 4 obtains power, drives gear wheel 8 to rotate by pinion 9, make the pure rotation of cylinder 3, realize boring function.
Composition graphs 3, when hammer drill function implemented by electric hammer: adjusting knob 5 rotates, drive plectrum 19, power and energy block 18 is moved, the III class internal spline 15 of power and energy block 18 engages with spline housing 11, the front spline 16 of splined connection 12 engages with the II class internal spline 14 of beat bearing 7, and the rear spline 17 of splined connection 12 engages with the I class internal spline 13 of transition gear 10; The power of motor output shaft 2 passes to splined connection 12 by transition gear 10, now beat bearing 7 engages with splined connection 12, and obtain power and drive piston 6 to do ballistic motion, splined connection 12 closely cooperates power and energy block 18, power and energy block 18 obtains power, drive spline housing 11 to rotate, spline housing 11 and jackshaft 4 closely cooperate, and jackshaft 4 obtains power, gear wheel 8 is driven to rotate by pinion 9, cylinder 3 is rotated, and piston 6 carries out ballistic motion simultaneously, realizes hammer drill function.
Composition graphs 4, when pick function implemented by electric hammer: adjusting knob 5 rotates, drive plectrum 19, power and energy block 18 is moved backward, the III class internal spline 15 of power and energy block 18 is separated with spline housing 11, the front spline 16 of splined connection 12 engages with the II class internal spline 14 of beat bearing 7, and the rear spline 17 of splined connection 12 engages with the I class internal spline 13 of transition gear 10; The power of motor output shaft 2 passes to splined connection 12 by transition gear 10, now beat bearing 7 engages with splined connection 12, obtaining power drives piston 6 to do ballistic motion, splined connection 12 closely cooperates power and energy block 18, power and energy block 18 obtains power, but power and energy block 18 is separated with spline housing 11, and namely spline housing 11 and jackshaft 4 do not move, now only piston 6 carries out ballistic motion, realizes pick function.

Claims (3)

1. electric hammer three function switching mechanism, comprise support, support is provided with motor output shaft (2) and rotatable cylinder (3), cylinder (3) is provided with piston (6), dynamic air cylinder (3) is with to move forward and backward by piston (6), it is characterized in that: on cylinder (3), be provided with gear wheel (8), pinion (9) is meshed with gear wheel (8), pinion (9) is located on jackshaft (4), spline housing (11) and jackshaft (4) closely cooperate, converter section is located on jackshaft (4), one end of beat bearing (7) is connected with piston (6), the other end of beat bearing (7) is provided with internal spline one, transition gear (10) engages with motor output shaft (2), transition gear (10) is provided with internal spline two, operating portion moves forward and backward by driving converter section, complete the power and energy of structure.
2. a kind of electric hammer three function switching mechanism as claimed in claim 1, it is characterized in that: described converter section comprises power and energy block (18) and splined connection (12), power and energy block (18) is provided with internal spline three, splined connection (12) is provided with front spline and rear spline, wherein the internal spline three of front spline and power and energy block (18) closely cooperates, in addition the internal spline three of power and energy block (18), the front spline of splined connection (12) and rear spline also respectively with described spline housing (11), the internal spline of described beat bearing (7) and the internal spline two of described transition gear (10) engage each other respectively, complete power and energy.
3. a kind of electric hammer three function switching mechanism as claimed in claim 1, it is characterized in that: described operating portion comprises adjusting knob (5) and is located at the plectrum (19) on described power and energy block (18), adjusting knob (5) to be connected with plectrum (19) via straight pin (20) thus to drive described power and energy block (18) to move along the axial direction of described jackshaft (4).
CN201520752070.2U 2015-08-31 2015-09-25 Three function shifters of electric hammer Active CN205057973U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201520669732 2015-08-31
CN201520669732X 2015-08-31
CN201520752070.2U CN205057973U (en) 2015-08-31 2015-09-25 Three function shifters of electric hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520752070.2U CN205057973U (en) 2015-08-31 2015-09-25 Three function shifters of electric hammer

Publications (1)

Publication Number Publication Date
CN205057973U true CN205057973U (en) 2016-03-02

Family

ID=55384575

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520752070.2U Active CN205057973U (en) 2015-08-31 2015-09-25 Three function shifters of electric hammer

Country Status (1)

Country Link
CN (1) CN205057973U (en)

Similar Documents

Publication Publication Date Title
USRE46827E1 (en) Hybrid impact tool with two-speed transmission
CN100513090C (en) Dual-speed multifunctional electric hammer
RU2012133308A (en) ELECTRIC DRIVE TOOL
CN202742120U (en) Spindle box for floor-type boring-milling machine
US9434038B2 (en) Shifting mechanism for a drill press
CN201168803Y (en) On site longhole reaming equipment
CN205057973U (en) Three function shifters of electric hammer
CN110469228B (en) Push type spring switch mechanism and electric/manual switchable window opener thereof
CN202241182U (en) Single-knob four-function electric hammer
CN100360832C (en) Reciprocally swinging transmission
CN204144188U (en) Transmission mechanism in dual-power transfer switch
CN203738308U (en) Overturning device and hydraulic overturning welding platform
CN201960550U (en) Double-knob six-function electric hammer
CN201785590U (en) Weaving machine transmission mechanism
CN202607626U (en) Electric hammer capable of realizing four functions by single knob
CN202906662U (en) Zero-axial-force two-stage speed reduction wiper motor
CN109048354B (en) Reciprocating saw with drilling function
CN107378868B (en) Speed-regulating reciprocating impact electric hammer
CN107322536B (en) Quick reciprocating impact rotary electric hammer
CN201815718U (en) Drilling device with double motors
CN103939530A (en) Force amplifier
WO2019024203A1 (en) Multifunctional electric hammer
CN204295648U (en) A kind of Single button multifunctional electric hammer of double-clutch mechanism
CN210116051U (en) Grooving machine
CN203401041U (en) Portable charging rivet gun

Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model