CN207534752U - The optional percussion mechanism and electric tool for using impact or drill mode - Google Patents
The optional percussion mechanism and electric tool for using impact or drill mode Download PDFInfo
- Publication number
- CN207534752U CN207534752U CN201721431328.4U CN201721431328U CN207534752U CN 207534752 U CN207534752 U CN 207534752U CN 201721431328 U CN201721431328 U CN 201721431328U CN 207534752 U CN207534752 U CN 207534752U
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- China
- Prior art keywords
- impact
- block
- lock
- percussion mechanism
- locking
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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.)
- Expired - Fee Related
Links
- 238000009527 percussion Methods 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000003116 impacting effect Effects 0.000 claims abstract description 57
- 230000003578 releasing effect Effects 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 28
- 238000004080 punching Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 13
- 238000005553 drilling Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 210000000515 tooth Anatomy 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- Percussive Tools And Related Accessories (AREA)
Abstract
The utility model embodiment provides a kind of optional percussion mechanism for using impact or drill mode, including：Impacting shaft, impact portion and lock part, impact portion and impact axis connection, the driving impacting shaft is moved in impact conditions or is moved in bore state, lock part is selectable to carry out impact portion the locking of locking or releasing to impact portion, when impact portion is locked up, impacting shaft is moved in impact conditions, when lock part releases the locking to rear impact block, impacting shaft is moved in bore state, it is easy to use, at the same the utility model also provide it is a kind of using it is above-mentioned it is optional using impact or drill mode percussion mechanism electric tool.
Description
Technical field
The utility model is related to a kind of optional percussion mechanism using impact or drill mode and the application percussion mechanisms
Electric tool.
Background technology
Impact drill is a kind of widely used electric tool, the impact drill used at present usually set it is following several, when
With blow cylinder, percussion is generated by cylinder, this impact drill is also referred to as electric hammer, the impact drill structure of this structure
Complexity, weight is big, and the power of motor needed is high, and inconvenience uses, another is a variety of moulds such as band the turn of the screw, drilling, impact
The impact drill of formula, this impact drill need multiple functions to convert, and cause complicated, and the length of gear-box is long, and weight is big, because
This needs a kind of simple in structure with the optional electricity using drilling or the percussion mechanism and application of the impact function percussion mechanism
Power driven tools.
Invention content
Therefore it provides a kind of optional percussion mechanism and electric tool using impact or drill mode is to solve above-mentioned technology
Problem.
A kind of optional percussion mechanism for using impact or drill mode, including：Impacting shaft, impact portion and lock part, it is described
Impact portion with impact axis connection, drive the impacting shaft in impact conditions move or moved in bore state, the lock
Stop is selectable to be carried out impact portion locking or releases to the locking of impact portion, described when the impact portion is locked up
Impacting shaft moved in impact conditions, when the lock part releases the locking to rear impact block, the impacting shaft is in boring
Hole state motion.
Further, the impact portion includes the preceding impact block being fixedly connected with impacting shaft and is set on impacting shaft
Impact block afterwards, the preceding impact block and rear impact block are respectively arranged with impact teeth and punching groove, the impact teeth and impact
Slot matches, and when the rear impact block is locked up, the impacting shaft is axially moved along impacting shaft, and the lock part includes
Lock piece, the lock piece is selectable to carry out rear impact block the locking of locking or releasing to rear impact block.
Further, the lock piece includes pulling pin, and the rear impact block includes lock groove, and described pulling pin can live
Dynamic insertion lock groove is detached from out of lock groove.
Further, the optional percussion mechanism using impact or drill mode further includes housing, the lock piece
It is set on housing, storage tank is additionally provided on the housing, described pulling pin is impacted after being stretched to across the storage tank
Block direction.
Further, the lock piece is transported along impacting shaft is axial to close to lock groove direction or to far from lock groove direction
It is dynamic.
Further, the lock groove has multiple, and multiple lock grooves are radial circumferentially equal along rear impact block
Even distribution.
Further, the lock part further includes conversion equipment, and the conversion equipment includes conversion ring and and locking
The spring of part connection, the conversion ring include pushing block, and the block that pushes includes pushing end, and described pushes end against institute
The lock piece stated, the spring are preset with lock piece to close to the rear tension for impacting Block direction and moving, the lock piece
Set it is fluted, it is described to push that end is mobilizable to be moved to groove direction, when pushing end motion to groove location, lock piece
Under the action of spring tension, moved to Block direction is pushed.
Further, the lock part further includes converting fixture, and the converting fixture includes and housing
The pressing plate and leaf spring of connection, at least two conversion slots of setting on the pressing plate, the leaf spring is fixed on conversion ring, described
Leaf spring includes opposite both ends, and wherein one end is placed in a conversion slot.
Further, the leaf spring is in M types.
The utility model also provides a kind of electric tool simultaneously, including as described above optional using impact or drill mode
Percussion mechanism.
Advantageous effect：The utility model embodiment provides a kind of optional percussion mechanism for using impact or drill mode, packet
It includes：Impacting shaft, impact portion and lock part, impact portion with impact axis connection, drive the impacting shaft in impact conditions movement or
It is moved in bore state, lock part is selectable to carry out impact portion the locking of locking or releasing to impact portion, when impact portion quilt
During locking, impacting shaft is moved in impact conditions, and when lock part releases the locking to rear impact block, impacting shaft is transported in bore state
It is dynamic, it is easy to use, while the utility model also provide it is a kind of using above-mentioned optional using impact or the percussion mechanism of drill mode
Electric tool.
Description of the drawings
The optional percussion mechanism schematic diagram for using impact or drill mode of Fig. 1 the utility model embodiments
The optional percussion mechanism explosive view for using impact or drill mode that Fig. 2 is Fig. 1
When the optional percussion mechanism using impact or drill mode of Fig. 3 a the utility model embodiments is in impact conditions
Sectional view
Fig. 3 b are the left view of Fig. 3 a
Fig. 4 is rear impact block schematic diagram
Fig. 5 is lock piece schematic diagram
Fig. 6 is conversion ring schematic diagram
Graphical sysmbol explanation
Housing 10
Storage tank 101
Lock piece 20
Spring 21,43
Pull pin 201
Groove 202
Pressing plate 30
Convert slot 301
Leaf spring 31
Impacting shaft 40
Preceding impact block 41
Impact block 42 afterwards
Punching groove 421
Lock groove 422
Convert ring 50
Push block 501
Following specific embodiment will further illustrate the utility model with reference to above-mentioned attached drawing.
Specific embodiment
Fig. 1-Fig. 6 is referred to, the utility model embodiment provides a kind of optional use impact or the impact of drill mode fills
It puts, electric tool offer impact function and drilling function, the impact function is made to refer to percussion mechanism for selectable
Impacting shaft 40 is along 40 axially reciprocating of impacting shaft.The percussion mechanism, including：Impacting shaft 40, impact portion and lock part.
What the impacting shaft 40 rotated is arranged in housing 10, and the impacting shaft 40 includes opposite end, wherein one
End for installing the functional components such as drill bit, wherein the other end be used for and power connector, and around it under the driving of power plant
Axis rotates, and the power plant includes motor, other certain power plants are also feasible, such as air motor, hydraulic pressure horse
Up to etc..In addition, being also provided with transmission device, such as gear assembly between power plant and impacting shaft 40, fluid power passes
Dynamic device etc..In the present embodiment, the transmission device is two groups of planetary transmissions of series connection, and the housing 10 is same
When be planetary transmission housing 10.In addition, when the impacting shaft 40 is in impact conditions, impacting shaft 40 is along its axis
Line moves back and forth, therefore the impacting shaft 40 is being axially to be flexibly connected with power plant or transmission device, so that impact
Axis 40 can be kept circumferentially rotating when being axially moved.
The impact portion is connect with impacting shaft 40, and the impacting shaft is driven to be moved in impact conditions or in bore state
Movement, the impact portion include preceding impact block 41 and rear impact block 42, wherein the preceding impact block 41 is annular in shape, with punching
It hits axis 40 to be fixedly connected, being set on impacting shaft 40 for rear impact block activity is provided on the preceding impact block 41
Impact teeth, the impact teeth include short transverse, and the impact teeth short transverse is parallel to impacting shaft 40 axially, after described
Impact block 42 is provided with punching groove 421 towards preceding 41 side of impact block, and the impact teeth matches with punching groove 421, when after
When impact block 42 is locked up, slip is generated between impact teeth and punching groove 421, and impact teeth is moved along its short transverse,
And it is moved along impacting shaft 40 is axial to far from rear 42 direction of impact block, and drive impacting shaft 40 axial to separate along impacting shaft 40
42 direction of impact block moves afterwards, and so as to generate percussion, i.e., described impacting shaft 40 is moved in impact conditions, described to be locked
Impact block 42 is defined in axial direction and circumferentially after only referring to, i.e., rear impact block 42 can not cannot circumferentially turn axially movable
It is dynamic.
It should be understood that in order to which impact teeth and punching groove 421 is enable to generate displacement, the impact teeth is stepped tooth, institute
The punching groove 421 stated is dovetail groove.
It should be understood that can also, the preceding impact block 41 is provided with punching groove 421, the rear impact block 42
It is provided with impact teeth.
Further, in order to which impacting shaft 40 is made to generate continuous percussion, i.e. impacting shaft 40 is axial past along impacting shaft 40
Multiple movement, the preceding impact block 41 is provided with multiple impact teeths, and multiple impact teeths are uniformly distributed along preceding impact block 41 is circumferential,
It should be understood that the rear impact block 42 is provided with the multiple punching grooves 421 equal with impact teeth quantity on preceding impact block 41,
And multiple punching grooves 421 are uniformly distributed along rear impact block 42 is circumferential.Meanwhile reset dress is additionally provided on the impacting shaft 40
It puts, for causing the impacting shaft 40 along 40 axially reciprocating of impacting shaft, in the present embodiment, the resetting apparatus
For a spring 43, under the effect of 43 restoring force of spring so that impact teeth is accommodated in punching groove 421, i.e., preceding impact block 41
It is contacted with the holding of rear impact block 42.
It should be understood that when rear impact block 42 is non-be in lockup state when, the rear impact block 42 is in axial direction to separate
Preceding 41 direction of impact block movement, and so that preceding impact block 41 is detached with rear impact block 42 or rear impact block 42 will be in company with preshoot
It hits the rotation of block 41 and rotates, so that preceding impact block 41 can not be axially moved along impacting shaft 40, impacting shaft 40 also can not edge
Impacting shaft 40 is axially moved, i.e., impacting shaft 40 can only rotate at this time, and without axial percussion, impacting shaft 40, which is in, at this time bores
Hole state motion.
One lock part is set on the housing 10, for impact block 42 after selectable locking or is released to rear impact block 42
Locking, so that it is impact conditions and bore state that impacting shaft 40 is selectable, the lock part includes lock piece 20, please
Together with reference to figure 5, the lock piece 20 is substantially cyclic annular in one, and including pulling pin 201 in ring body and setting ring body, described pulls out
201 one end of pin is fixed in ring body, and the other end radially extends along ring body to ring axis direction, and the lock piece 20 is set in
On housing 10, it is additionally provided with storage tank 101 on the housing 10, described pull pin 201 is stretched to by the storage tank 101
Impact block 42 afterwards, please also refer to Fig. 4, the rear impact block 42 side opposite with punching groove 421 is additionally provided with lock groove
422, when it is described pull pin 201 insertion lock groove 422 when, described impact block 42 after 201 pairs of pulling pin carries out locking, i.e. backlash
Block 42 is hit to be defined in axial and circumferential, when it is described pull pin 201 disengaging lock groove 422 when, 201 releasings of pulling pin are to rear
The locking of impact block 42, the rear impact block 42 can in an axial direction or circumferential movement.
It should be understood that the size and shape of the lock groove 422 and 201 matchings of pulling pin.
In the present embodiment, the lock piece 20 is axial to close to lock groove direction or far from lock groove along impacting shaft 40
Direction moves so that pull pin 201 insertion lock grooves 422 or the disengaging out of lock groove 422 on lock piece 20, of course, described
Pull pin and 201 can also be configured to being inserted radially into lock groove 422 or be detached from out of lock groove 422 along lock piece 20.
Further, the lock groove 422 has multiple, and multiple lock grooves 422 are radial along rear impact block
42 are circumferentially uniformly distributed.
Further, described pull pin 201 has multiple, and described pull pin 201 is uniformly distributed along lock piece 20 is circumferential.
Further, it to the locking of rear impact block 42 and is released in order to facilitate lock part to the locking of rear impact block 42, institute
The lock part stated further includes conversion equipment, and the conversion equipment includes a conversion ring 50 and the spring being connect with lock piece 20
21, please also refer to Fig. 6, the conversion ring 50 pushes block 501 including one, and the conversion ring 50 rotation is arranged on housing
On 10, described pushes block 501 substantially in a strip, and including pushing end, described pushing is held against the lock piece 20,
A spring 21 is additionally provided on the lock piece 20, described 21 one end of spring is connect with lock piece 20, the other end and housing
10 connections, and preset the tension that the spring 21 1 moves lock piece 20 to close rear 42 direction of impact block, the lock
Stop member 20 is provided with a groove 202 towards 501 side of block is pushed, and the groove 202 pushes block 501 1 from direction and is laterally away from
It pushes 501 side of block to be recessed, when the rotation conversion ring 50, to groove on the slave lock piece 20 for pushing end activity
202 directions move, it is possible to understand that, when pushing end motion to 202 position of groove, lock piece 20 is in the work of 21 tension of spring
It under, is moved to 501 direction of block is pushed, i.e., so that 42 direction of the impact block movement, and impact block after locking backward of lock piece 20
42, when pushing end and move from groove 202 to ring body direction, the lock piece 20 overcomes 21 tension of spring to separate backlash
The movement of 42 direction of block is hit, so that the rear impact block 42 releases lockup state.
It should be understood that the groove 202 is dovetail groove, so that push end readily enters groove from ring body
It 202 or is detached from from groove 202.
Further, in order to make the conversion ring 50 is more stable to be maintained at scheduled position, so that lock piece 20
It keeps that the lockup state or holding lock piece 20 of rear impact block 42 are kept releasing lockup state to rear impact block 42, it is described
Lock part further includes converting fixture, and the converting fixture includes the pressing plate 30 being connect with housing 10 and leaf spring 31,
At least two conversion slot 301 of setting on the pressing plate 30, the leaf spring 31 is in M types, and the leaf spring 31 is fixed on conversion
On 50 inner wall of ring, the leaf spring 31 includes opposite both ends, and wherein one end is placed in a conversion slot 301, presets the plate
31 1 both ends of spring are to the tension for being relatively distant from direction and moving so that 31 both ends of leaf spring have a pressure to pressing plate 30, due to leaf spring
31 one end are placed in conversion slot 301 so that leaf spring 31 limits conversion ring 50 and generates unexpected rotation, is supported when needing movement
Pushing block 501, lock piece 20 move, during rear 42 switching state of impact block, it is only necessary to overcome 31 tension of leaf spring rotation conversion ring 50 i.e.
It can.
The utility model also provides a kind of electric tool simultaneously, including above-mentioned optional rushing using impact or drill mode
Hit device.
In addition, those skilled in the art can also do other variations within the spirit of the present invention, certainly, these are according to this
The variation that utility model spirit is done, all should be within the scope of the utility model be claimed.
Claims (10)
1. a kind of optional percussion mechanism for using impact or drill mode, including：Impacting shaft, impact portion and lock part, feature
It is, the impact portion and impact axis connection drive the impacting shaft to move in impact conditions or moved in bore state,
The lock part is selectable to carry out impact portion the locking of locking or releasing to impact portion, when the impact portion is locked up
When, the impacting shaft is moved in impact conditions, when the lock part releases the locking to rear impact block, the impact
Axis is moved in bore state.
2. the optional percussion mechanism for using impact or drill mode as described in claim 1, which is characterized in that the impact
Portion include the preceding impact block being fixedly connected with impacting shaft and the rear impact block being set on impacting shaft, the preceding impact block and after
Impact block is respectively arranged with impact teeth and punching groove, and the impact teeth is matched with punching groove, when the after impact block is locked
When only, the impacting shaft is axially moved along impacting shaft, and the lock part includes lock piece, and the lock piece is selectable
The locking of locking or releasing to rear impact block is carried out to rear impact block.
3. the optional percussion mechanism for using impact or drill mode as claimed in claim 2, which is characterized in that the locking
Part includes pulling pin, and the rear impact block includes lock groove, the described mobilizable insertion lock groove or out of lock groove of pulling pin
It is detached from.
It is 4. as claimed in claim 3 optional using impact or the percussion mechanism of drill mode, which is characterized in that described optional to make
Housing is further included with the percussion mechanism of impact or drill mode, the lock piece is set on housing, on the housing also
Storage tank is provided with, described pulling pin impacts Block direction after being stretched to across the storage tank.
5. the optional percussion mechanism for using impact or drill mode as claimed in claim 4, which is characterized in that the locking
Part is moved along impacting shaft is axial to close to lock groove direction or to far from lock groove direction.
6. the optional percussion mechanism for using impact or drill mode as claimed in claim 3, which is characterized in that the locking
Slot has multiple, described multiple lock grooves are radial to be circumferentially uniformly distributed along rear impact block.
7. the optional percussion mechanism for using impact or drill mode as claimed in claim 5, which is characterized in that the locking
Portion further includes conversion equipment, and the conversion equipment includes conversion ring and the spring being connect with lock piece, the conversion ring packet
It includes and pushes block, the block that pushes includes pushing end, and described pushes end against the lock piece, and the spring is preset with
By lock piece to tension move close to rear impact Block direction, the lock piece set it is fluted, it is described to push end and live
Dynamic moves to groove direction, and when pushing end motion to groove location, lock piece is under the action of spring tension, to pushing block
Direction moves.
8. the optional percussion mechanism for using impact or drill mode as claimed in claim 7, which is characterized in that the locking
Portion further includes converting fixture, and the converting fixture includes the pressing plate and leaf spring that are connect with housing, the pressing plate
Upper at least two conversion slot of setting, the leaf spring are fixed on conversion ring, and the leaf spring includes opposite both ends, wherein one end
It is placed in a conversion slot.
9. the optional percussion mechanism for using impact or drill mode as claimed in claim 8, which is characterized in that the leaf spring
In M types.
10. a kind of electric tool, including the optional use impact as described in any claim in claim 1-9 or drilling die
The percussion mechanism of formula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431328.4U CN207534752U (en) | 2017-11-01 | 2017-11-01 | The optional percussion mechanism and electric tool for using impact or drill mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721431328.4U CN207534752U (en) | 2017-11-01 | 2017-11-01 | The optional percussion mechanism and electric tool for using impact or drill mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534752U true CN207534752U (en) | 2018-06-26 |
Family
ID=62611789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721431328.4U Expired - Fee Related CN207534752U (en) | 2017-11-01 | 2017-11-01 | The optional percussion mechanism and electric tool for using impact or drill mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207534752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789255A (en) * | 2018-09-10 | 2018-11-13 | 绍兴环洲工具制造有限公司 | Hand-held tool ratchet accelerator |
-
2017
- 2017-11-01 CN CN201721431328.4U patent/CN207534752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108789255A (en) * | 2018-09-10 | 2018-11-13 | 绍兴环洲工具制造有限公司 | Hand-held tool ratchet accelerator |
| CN108789255B (en) * | 2018-09-10 | 2023-11-07 | 绍兴环洲工具制造有限公司 | Ratchet accelerating device for hand tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180626 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |