CN202878256U - Function head enabling rotary hammer to be changed into electric hammer - Google Patents
Function head enabling rotary hammer to be changed into electric hammer Download PDFInfo
- Publication number
- CN202878256U CN202878256U CN 201220525912 CN201220525912U CN202878256U CN 202878256 U CN202878256 U CN 202878256U CN 201220525912 CN201220525912 CN 201220525912 CN 201220525912 U CN201220525912 U CN 201220525912U CN 202878256 U CN202878256 U CN 202878256U
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- China
- Prior art keywords
- electric hammer
- axle sleeve
- impact body
- impact
- steel ball
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- 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.)
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Abstract
A function head enabling a rotary hammer to be changed into an electric hammer is characterized by comprising an impact component and a quick connecting component. The quick connecting component is connected on the impact component and is connected with a rotary hammer dismountable structure. The impact component comprises an impact body, a shaft sleeve, an elastic body, a gasket, a steel cable baffle ring, a locating plate and an impact component outer shell. The impact body is connected inside the shaft sleeve in a movable mode, the impact body is limited inside the shaft sleeve through the steel cable baffle ring, the elastic body is placed inside the shaft sleeve, one end of the elastic body is connected inside the shaft sleeve in an elastic mode, the other end of the elastic body is connected on the impact body, the impact component outer shell is arranged on the outer side of the shaft sleeve, the locating plate is connected on a lock sleeve in a clamping mode, and the locating plate is connected with the gasket in an elastic mode.
Description
Technical field
The utility model relates to field of power tools, particularly a kind of functional head of electric hammer conversion electric hammer.
Background technology
Current whole tool industry does not also have a kind of functional head, can convert the function of electric hammer to electric hammer.Existing electric hammer instrument adopts the mode of motor-driven cam, the rotation of motor is converted into horizontal impacting, thereby has realized the function of hammer.Yet the structure that this kind machinery impacts is damaged easily, and durability is not strong.Therefore, occurred the electric hammer of pneumatic mode on the market, still, electric tool all is complete use usually, and it is very inconvenient to carry more instrument in operation process.
The utility model content
The utility model provides a kind of electric hammer to change the functional head of electric hammer for the prior art above shortcomings based on an electric hammer instrument, and this structure has effectively been filled up the blank of prior art, and simple and reliable for structure, and is with low cost.
The utility model is achieved through the following technical solutions:
A kind of functional head of electric hammer conversion electric hammer comprises and impacts assembly and fast connected components that fast connected components is connected to and impacts on the assembly, and is connected with an electric hammer demountable structure;
The impact assembly comprises: impact body, axle sleeve, lock tube, elastomer, pad, elastic spring, location-plate and impact package shell, impact body is movably connected in the axle sleeve, impact body is spacing in axle sleeve by elastic spring, elastomer is placed in the axle sleeve, an elastomeric end elasticity is connected in the axle sleeve, and other end elasticity is connected on the impact body, impacts package shell and is arranged on the outside of axle sleeve, location-plate is socketed on the lock tube, and is connected with pad elasticity;
Impact body is under idle state, the inner chamber afterbody of the afterbody of impact body and axle sleeve leaves a gap, impact body is under the state of work, the head of impact body is pressed in one and is impacted on the object, impact body moves to the direction away from object, until the afterbody of impact body touches a driving head of electric hammer, and drives driving head and moves to electric hammer to the direction away from object and enter the hammering state, impact body is moving forward in axle sleeve under the knocking of driving head, impacts and is impacted object.
Better, the functional head of electric hammer conversion electric hammer also comprises a protective jacket, and protective jacket is arranged on around the head of impact body, and protective jacket is connected on the pad by a volute spring elasticity.
Better, impacting package shell and comprise protecgulum and valve jacket, protecgulum adopts screw to be connected on the axle sleeve, and valve jacket is socketed on the axle sleeve.
Better, the functional head of electric hammer conversion electric hammer also comprises a circlip, circlip is connected on the location-plate.
Better, the functional head of electric hammer conversion electric hammer comprises that also one connects the protection assembly, connects the protection assembly and is connected on the contact-making surface of fast connected components and electric hammer.
Better, connect the protection assembly and comprise pad and circlip.
Better, fast connected components comprises a torsion spring, a latch, a positioning sleeve, a locking mechanism and at least one steel ball, the impact assembly is connected steel ball with the detachable end assembly and connects; The two ends of torsion spring are separately fixed on latch and the axle sleeve, and positioning sleeve, latch and valve jacket form a sub-assembly and be enclosed within on the axle sleeve, and locking mechanism is connected with positioning sleeve;
Output shaft is provided with the spherical pit identical with steel ball number, axle sleeve is provided with the cylindrical hole identical with steel ball number, the cylindrical hole top end diameter is greater than steel ball size, base diameter is less than steel ball size, and the latch inboard is provided with the hemispherical groove that and radius identical with steel ball number is not less than the steel ball radius.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of the functional head of a kind of electric hammer conversion of the utility model electric hammer;
Fig. 2 is the functional head of a kind of electric hammer conversion of the utility model electric hammer and the released state figure of an electric hammer;
Fig. 3 is the functional head of a kind of electric hammer conversion of the utility model electric hammer and the assembly state diagram of an electric hammer;
Fig. 4 is the fundamental diagram of the fast connected components of a kind of electric hammer conversion of the utility model electric hammer.
The specific embodiment
Below in conjunction with embodiment the utility model is elaborated, present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
Please refer to Fig. 1, a kind of functional head of electric hammer conversion electric hammer comprises and impacts assembly and fast connected components that fast connected components is connected to and impacts on the assembly, and is connected with an electric hammer 21 demountable structures; The impact assembly comprises: impact body 11, axle sleeve 13, lock tube 8, elastomer, pad 5, elastic spring 10, location-plate 7 and impact package shell, impact body 11 is movably connected in the axle sleeve 13, impact body 11 is spacing in axle sleeve 13 by elastic spring 10, elastomer is placed in the elastomer storage tank, an elastomeric end elasticity is connected on the elastomer storage tank, other end elasticity is connected on the impact body 11, impact package shell and be arranged on the outside of axle sleeve 13, location-plate 7 be socketed on the lock tube 8 and with pad 5 flexible clampings.
The functional head of electric hammer conversion electric hammer also comprises a protective jacket 3, and protective jacket 3 is arranged on around the head of impact body 11, and protective jacket 3 is connected on the pad 5 by a volute spring bullet 4 property.Impact package shell and comprise protecgulum 2 and valve jacket 18, protecgulum 2 adopts screw 1 to be connected with location-plate 7, valve jacket 18 and axle sleeve 13 sockets.The functional head of electric hammer conversion electric hammer also comprises a circlip 6, and circlip 6 is connected on the location-plate 7.Adopting the protective sleeve structure is to injure operating personnel for fear of being ejected in the course of the work by impacted object.In the present embodiment, location-plate is connected on the axle sleeve, and fixedly is in order to make axle sleeve relative with protecgulum fixing with the protecgulum screw, and the technical staff also can adopt other mode that axle sleeve is fixedly connected with or clamping with protecgulum, and the utility model does not limit at this.
Impact body is under idle state, the inner chamber afterbody of the afterbody of impact body and axle sleeve leaves a gap, impact body is under the state of work, the head of impact body is pressed in one and is impacted on the object, impact body moves to the direction away from object, until the afterbody of impact body touches a driving head of electric hammer, and drives driving head and moves to electric hammer to the direction away from object and enter the hammering state, impact body is moving forward in axle sleeve under the knocking of driving head, impacts and is impacted object.
The functional head of electric hammer conversion electric hammer comprises that also one connects the protection assembly, connects the protection assembly and is connected on the contact-making surface of fast connected components and electric hammer.Connect the protection assembly and comprise pad 19 and circlip 20.For the protection of functional head and the frictionally damage of electric hammer in the process of being rotatably connected, increase service life.
Please refer to Fig. 2 and 3, impact body is under idle state, the inner chamber afterbody of the afterbody of impact body and axle sleeve leaves a gap, impact body is under the state of work, the head of impact body is pressed in one and is impacted on the object, impact body moves to the direction away from object, until the afterbody of impact body touches a driving head of electric hammer, and drive driving head and move to electric hammer to the direction away from object and enter the hammering state, impact body is moving forward in axle sleeve under the knocking of driving head, impact and impacted object, thereby realized the function of electric hammer.
Please refer to Fig. 1, fast connected components comprises a torsion spring 11, latch 12, a positioning sleeve 8, a locking mechanism and at least one steel ball 10, impacts assembly and is connected steel ball 10 connections with the detachable end assembly; The two ends of torsion spring 11 are separately fixed on latch 12 and the axle sleeve 9, and positioning sleeve 8, latch 12 and valve jacket 13 form a sub-assembly and be enclosed within on the axle sleeve 9, and locking mechanism is connected with positioning sleeve 8; Output shaft is provided with the spherical pit identical with steel ball number, axle sleeve 9 is provided with the cylindrical hole identical with steel ball number, the cylindrical hole top end diameter is greater than steel ball size, and base diameter is less than steel ball size, and latch 12 inboards are provided with the hemispherical groove that is not less than steel ball with the steel ball number same radius.
Its bottom bracket axle 9 is provided with 4 cylindrical holes, this cylindrical hole top diameter is greater than steel ball 10 diameters, base diameter is less than steel ball 10 diameters, steel ball can not come off along the activity of cylindrical hole axis, latch 12 inboards are provided with the semi-circular recesses that 4 radiuses are not less than steel ball 10 radiuses, this groove radius is set to equate with steel ball 10 radiuses in the present embodiment, and the edge of groove is with the gradually transition of form of involute, and described output shaft is provided with 4 spherical pits; When latch 12 rotated to semi-circular recesses facing to the position of the cylindrical hole of axle sleeve 9, steel ball just had the stroke that gets loose, thereby realizes getting loose; Otherwise latch compresses steel ball, realizes locking.
With reference to figure 4, for making this fast connected components enter the state of getting loose, the cutting ferrule 8 that turns clockwise drives torsion spring 11 and rotates, in the rotary course, can promote lock tube 7 and move backward along axial direction, lock tube 7 can reset under the promotion of spring 6 when being rotated in place, thereby locks mutually by screens separately with positioning sleeve 8, semi-circular recesses on the latch 12 is contrasting the position of axle sleeve 9 cylindrical holes at this moment, is to be in the state of getting loose.For making fast connected components enter locking state, the output shaft that impacts assembly inserts in the endoporus of detachable end assembly, the end face of output shaft can promote lock tube 7 along axially-movable, the screens of lock tube 7 is separated with the screens of positioning sleeve 8, torsion spring 11 releases also are rotated counterclockwise, drive latch 12 and axle sleeve 9 rotations, compressing steel ball 10 enters locking state, thereby auto lock impacts assembly and electric hammer.By impacting the combination of assembly and fast connected components, realized the purpose of fast assembling-disassembling.
More than disclosed only be the application's a specific embodiment, but the application is not limited thereto, the changes that any person skilled in the art can think of all should drop in the application's the protection domain.
Claims (7)
1. the functional head of an electric hammer conversion electric hammer is characterized in that, comprises impacting assembly and fast connected components, and described fast connected components is connected on the described impact assembly, and is connected with an electric hammer demountable structure;
Described impact assembly comprises: impact body, axle sleeve, lock tube, elastomer, pad, elastic spring, location-plate and impact package shell, described impact body is movably connected in the described axle sleeve, described impact body is spacing in described axle sleeve by described elastic spring, described elastomer is placed in the described axle sleeve, a described elastomeric end elasticity is connected on the described axle sleeve, other end elasticity is connected on the described impact body, described impact package shell is arranged on the outside of described axle sleeve, described location-plate be connected on the described lock tube and with described pad flexible clamping;
Described impact body is under idle state, the inner chamber afterbody of the afterbody of described impact body and described axle sleeve leaves a gap, described impact body is under the state of work, the head of described impact body is pressed in one and is impacted on the object, described impact body moves to the direction away from described object, until the afterbody of described impact body touches a driving head of described electric hammer, and drive described driving head and move to described electric hammer to the direction away from described object and enter the hammering state, described impact body is moving forward in axle sleeve under the knocking of described driving head, impacts describedly to be impacted object.
2. electric hammer as claimed in claim 1 is changed the functional head of electric hammer, it is characterized in that, the functional head of described electric hammer conversion electric hammer also comprises a protective jacket, and described protective jacket is arranged on around the head of described impact body, and described protective jacket is connected on the described pad by a volute spring elasticity.
3. the functional head of electric hammer conversion electric hammer as claimed in claim 1 is characterized in that described impact package shell comprises protecgulum and valve jacket, and described protecgulum adopts screw to be connected on the described axle sleeve, and described valve jacket is socketed on the described axle sleeve.
4. the functional head of electric hammer conversion electric hammer as claimed in claim 1 is characterized in that, the functional head of described electric hammer conversion electric hammer also comprises a circlip, and described circlip is connected on the described location-plate.
5. the functional head of electric hammer conversion electric hammer as claimed in claim 1 is characterized in that, the functional head of described electric hammer conversion electric hammer comprises that also one connects the protection assembly, and described connection protection assembly is connected on the contact-making surface of described fast connected components and electric hammer.
6. the functional head of electric hammer conversion electric hammer as claimed in claim 5 is characterized in that, described connection protection assembly comprises pad and circlip.
7. electric hammer as claimed in claim 1 is changed the functional head of electric hammer, it is characterized in that, described fast connected components comprises a torsion spring, a latch, a positioning sleeve, a locking mechanism and at least one steel ball, described impact assembly be connected the detachable end assembly and connect by described steel ball; The two ends of described torsion spring are separately fixed on described latch and the described axle sleeve, and described positioning sleeve, latch and valve jacket form a sub-assembly and be enclosed within on the described axle sleeve, and described locking mechanism is connected with described positioning sleeve;
Described output shaft is provided with the spherical pit identical with described steel ball number, described axle sleeve is provided with the cylindrical hole identical with described steel ball number, described cylindrical hole top end diameter is greater than described steel ball size, base diameter is less than steel ball size, and described latch inboard is provided with the hemispherical groove that and radius identical with described steel ball number is not less than described steel ball radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525912 CN202878256U (en) | 2012-10-15 | 2012-10-15 | Function head enabling rotary hammer to be changed into electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220525912 CN202878256U (en) | 2012-10-15 | 2012-10-15 | Function head enabling rotary hammer to be changed into electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202878256U true CN202878256U (en) | 2013-04-17 |
Family
ID=48069720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220525912 Expired - Fee Related CN202878256U (en) | 2012-10-15 | 2012-10-15 | Function head enabling rotary hammer to be changed into electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202878256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308812A (en) * | 2014-10-14 | 2015-01-28 | 张家港市创基机械设备制造有限公司 | Impact head used for electric hammer |
| CN110744502A (en) * | 2019-11-28 | 2020-02-04 | 永康市光逸科技有限公司 | Quick connection structure |
-
2012
- 2012-10-15 CN CN 201220525912 patent/CN202878256U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308812A (en) * | 2014-10-14 | 2015-01-28 | 张家港市创基机械设备制造有限公司 | Impact head used for electric hammer |
| CN104308812B (en) * | 2014-10-14 | 2016-02-03 | 张家港市创基机械设备制造有限公司 | For the impact head of electric hammer |
| CN110744502A (en) * | 2019-11-28 | 2020-02-04 | 永康市光逸科技有限公司 | Quick connection structure |
| CN110744502B (en) * | 2019-11-28 | 2024-05-10 | 永康市光逸科技有限公司 | Quick-connection structure |
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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 |
Granted publication date: 20130417 Termination date: 20201015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |