CN207087796U - The hammering mechanism of power tool - Google Patents
The hammering mechanism of power tool Download PDFInfo
- Publication number
- CN207087796U CN207087796U CN201720948935.1U CN201720948935U CN207087796U CN 207087796 U CN207087796 U CN 207087796U CN 201720948935 U CN201720948935 U CN 201720948935U CN 207087796 U CN207087796 U CN 207087796U
- Authority
- CN
- China
- Prior art keywords
- hammering
- plural
- rotating seat
- power tool
- block
- 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
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Abstract
The hammering mechanism of power tool of the present utility model includes：One rotating seat, rotated for being driven by the rotor connection of a power tool with a direction of rotation, provided with a pushing portion；One beats block, and with rotating and can be located at the rotating seat with displacement to axial, axially opposite sides is respectively equipped with a pushed part and plural hammering portion, the pushed part are intermittently axially pushed by the pushing portion and make the plural hammering portion axially away from the rotating seat；One mandrel, is rotatably coupled the hammering block, and radial convex is provided with plural number by the plural hammering portion in the portion that is hit impacted on the direction of rotation；One resetting-mechanism, it is connected between the rotating seat and the hammering block and makes the plural hammering portion tool trend of the normality away from the portion that is hit.The hammering mechanism of the utility model power tool, its friction is low, operating is stable, it is low to shake, it is big to contribute.
Description
Technical field
The utility model is relevant with beating mechanism, in particular to a kind of hammering mechanism of power tool.
Background technology
Existing Pneumatic impact tool is to drive a hammering group to rotate using air motor mostly, has in hammering group and beats block
Etc. the structure that can produce intermittent shock strength, the rotary power with intermittent impact effect is further produced.
However, the configuration and connection beaten between the components such as room, hammering block, output mandrel of existing hammering group, it will usually
Component meeting beat is unstable when producing larger friction, and operating, therefore vibrations are big, it is ineffective to contribute.
Therefore, it is necessary to the hammering mechanism of power tool a kind of novel and with progressive is provided, it is above-mentioned to solve
Problem.
Utility model content
The purpose of this utility model is to provide a kind of hammering mechanism of power tool, and its friction is low, operating is stable, vibrations
Low, output is greatly.
To achieve the above object, the utility model takes following technical scheme：
The utility model provides a kind of hammering mechanism of power tool, including：One rotating seat, for by the one of a power tool
Rotor connection is driven and rotated with a direction of rotation, provided with a pushing portion；One beat block, with rotate and can with displacement to axial
Located at the rotating seat, axially opposite sides is respectively equipped with a pushed part and plural hammering portion, the pushed part are intermittently pushed by this
Portion axially pushes and makes the plural hammering portion axially away from the rotating seat；One mandrel, it is rotatably coupled the hammering block, radial convex
The portion that is hit impacted provided with plural number by the plural hammering portion on the direction of rotation；One resetting-mechanism, it is connected to the rotating seat
And make the plural hammering portion tool trend of the normality away from the portion that is hit between the hammering block.
The rotating seat is provided with plural tank, and the plural hammering portion can be located in the plural number with displacement and hold to axial
Groove.
The hammering block is another to include a basal disc, and the basal disc is located in the plural tank and is axially convexly equipped with the pushed part
And the plural hammering portion.
The another radial direction of the rotating seat is extended a bearing pin, and the bearing pin wears the pushing portion.
The pushing portion is a rolling part for being rotationally sheathed on the bearing pin.
The resetting-mechanism includes at least one and is inserted in the rotating seat and the pin member for beating block, and at least one elasticity
Part, an at least elastic component are connected between the pin member and the rotating seat or are connected between the pin member and the hammering block.
The resetting-mechanism includes at least one and is sheathed on an at least pin member and is connected to an at least elastic component
Axle sleeve.
The rotating seat separately forms a shoulder block into big path jump shape, and the pin member is provided with a spiral shell section, spiral shell Duan Yuyi
Nut is spirally connected, and the elastic component is sheathed on the rotating seat and is connected between the shoulder block and the nut.
The hammering portion and the opposite face of the portion on the direction of rotation that be hit are mutually to parallel.
The hammering portion and opposite face interval one spacing of the pushing portion on the direction of rotation, the spacing is between this
Between the 1/3 to 3/4 of the width of pushing portion.
The beneficial effects of the utility model are：The hammering mechanism of the utility model power tool, its friction is low, operating is steady
Determine, shake low, output greatly.
Brief description of the drawings
Fig. 1 is the exploded view of the preferred embodiment of the utility model first.
Fig. 2 is another exploded view of the preferred embodiment of the utility model first.
Fig. 3 is the stereogram of the preferred embodiment of the utility model first.
Fig. 4 is the illustrative view of the preferred embodiment of the utility model first.
Fig. 5 is Fig. 3 profile.
Fig. 6 is Fig. 4 profile.
Fig. 7 is the stereogram of the preferred embodiment of the utility model second.
Fig. 8 is the exploded view of the preferred embodiment of the utility model second.
Fig. 9 is the profile of the preferred embodiment of the utility model second.
Figure 10 is the stereogram of the preferred embodiment of the utility model the 3rd.
Figure 11 is the profile of the preferred embodiment of the utility model the 3rd.
Figure 12 is a stereogram of the preferred embodiment of the utility model the 4th.
Figure 13 is a profile of the preferred embodiment of the utility model the 4th.
Drawing reference numeral：1：The hammering mechanism of power tool；10、10a、10b、10c：Rotating seat；11：Pushing portion；11a：Gear
Shoulder；12、12b、12c：Tank；13：Radially through groove；14：Spacing；15：Bearing pin；20、20b、20c：Beat block；21：Pushed part；
22、22b、22c：Hammering portion；23：Basal disc；30、30b、30c：Mandrel；31、31b、31c：Be hit portion；40：Resetting-mechanism；41、
41a：Pin member；42：Elastic component；42a：Spiral shell section；43：Axle sleeve；43a：Nut；44：C is detained；44a：Elastic component.
Embodiment
The possible embodiment aspect of the utility model is only illustrated with embodiment below, so and is not used to limit the utility model institute
The category to be protected, conjunction are first chatted bright.
Fig. 1 to 6 is refer to, it shows the first preferred embodiment of the present utility model, power tool of the present utility model
Beating mechanism 1 includes a rotating seat 10, one hammering block 20, a mandrel 30 and a resetting-mechanism 40.
The rotating seat 10 is revolved for being driven by the rotor connection of a power (pneumatically or electrically) instrument with a direction of rotation
Turn, the rotating seat 10 is provided with a pushing portion 11.The hammering block 20 is with rotation and can be located at the rotating seat 10 with displacement to axial,
The axially opposite sides of hammering block 20 is respectively equipped with a pushed part 21 and plural hammering portion 22, and the pushed part 21 is intermittently supported by this
Pushed section 11 axially pushes and makes the plural hammering portion 22 axially away from the rotating seat 10.The mandrel 30 is rotatably coupled the hammering
Block 20, the radial convex of mandrel 30 are provided with the portion 31 that is hit that plural number is impacted by the plural hammering portion 22 on the direction of rotation.Should
Resetting-mechanism 40 is connected between the rotating seat 10 and the hammering block 20 and the plural hammering portion 22 is had remote be somebody's turn to do of normality and be rushed
Hit the trend in portion 31.Thereby, the mandrel 30 is not by compeling, and friction is low, operating is stable, it is low to shake, it is big to contribute.
The rotating seat 10 is provided with plural tank 12, and the plural hammering portion 22 can be located in plural number appearance with displacement to axial
Groove 12.The hammering block 20 separately includes a basal disc 23, and the basal disc 23 is located in the plural tank 12 and is axially convexly equipped with the pushed part
21 and the plural hammering portion 22.In the present embodiment, the hammering block 20 includes a central shaft block and one for being provided with the pushed part 21
With coaxial group of spill spin block for connecing and being provided with the plural hammering portion 22 of the central shaft block, the right hammering block, which is alternatively, to be integrally formed.Should
Rotating seat 10 includes two diametrically opposed tanks 12, and the tank 12 of the rotating seat 10 is generally into the radially through groove of a word
13, the hammering block 20 includes two radially oppositely extending hammering portions 22 being oppositely arranged, the hammering portion 22 and the pushing portion 11
The spacing 14 of opposite face interval one on the direction of rotation, the spacing 14 between 1/3 to 3/4 pushing portion 11 width it
Between, impact and output of the hammering block 20 for the mandrel 30 are lifted, the such hammering block 20 movement is stable, power transmission efficiency
It is good.The another radial direction of the rotating seat 10 is extended a bearing pin 15, and the bearing pin 15 wears the pushing portion 11.The pushing portion 11 is one rotatable
Ground is sheathed on the rolling part of the bearing pin 15.The pushed part 21 is the inclined plane on the direction of rotation.So, can also be relatively provided with
The more pushing portions and pushed part set Deng angular distance, can steadily compel to push away the hammering block, mean forced and be hardly damaged.
The resetting-mechanism 40 includes at least one pin member 41 and an at least bullet for being inserted in the rotating seat 10 and the hammering block 20
Property part 42, at least an elastic component 42 is connected between the pin member 41 and the rotating seat 10 or is connected to the pin member 41 and the hammering for this
Between block 20, the hammering block 20 is thereby set to be automatically reset after the mandrel 30 is beaten, in the present embodiment, an at least elastic component
42 are connected between the pin member 41 and the rotating seat 10.So, the pin member can also be set to direct screw lock or be fixed in the rotating seat and
The hammering block, or the elastic component can be also directly connected in the rotating seat and the hammering block.In the present embodiment, the resetting-mechanism
40 include two groups of pin members 41 and elastic component 42 for being correspondingly arranged in the two hammerings portion 22, and the hammering block 20 can be made accurate, instant, flat
Quietly displacement and reset；The resetting-mechanism 40 is preferably separately sheathed on an at least pin member 41 including at least one and is connected to this at least
The axle sleeve 43 of one elastic component 42, the axle sleeve 43 are securable to the rotating seat 10 or sliding sleeve in the pin member 41；Respectively the one of the pin member 41
End is separately connected with least C buttons 44, easily and fast dismounts；The hammering portion 22 and the portion 31 that is hit are on the direction of rotation
Opposite face mutually to parallel, produce smooth-going, high efficiency is contributed.
It will be appreciated that in various embodiments, an at least elastic component can also be connected to the pin member and the hammering block
Between, it can equally make the hammering block reset.
In second embodiment as shown in Figs. 7-9, rotating seat 10a separately forms a shoulder block into big path jump shape
11a, pin member 41a are provided with a spiral shell section 42a, and the spiral shell section 42a is spirally connected with a nut 43a, and elastic component 44a is sheathed on the rotating seat
10a and it is connected between shoulder block 11a and nut 43a, is thereby easy to dismount and can adjust elastic reset effect.
In the 3rd embodiment as shown in Figure 10 to 11, it is with above-mentioned first embodiment difference, the rotating seat
10b includes the tank 12b of (120 degree) settings of three first-class angular distances of circumference, and hammering block 20b is set including three first-class angular distances of circumference
The hammering portion 22b put, mandrel 30b radial convexes be provided with three by three hammering portion 22b in impacted on the direction of rotation by
Impact portion 31b.
In the fourth embodiment as shown in Figure 12 to 13, it is with above-mentioned second embodiment difference, the rotating seat
10c includes the tank 12c of (120 degree) settings of three first-class angular distances of circumference, and hammering block 20c is set including three first-class angular distances of circumference
The hammering portion 22c put, mandrel 30c radial convexes be provided with three by three hammering portion 22c in impacted on the direction of rotation by
Impact portion 31c.
Claims (10)
1. the hammering mechanism of a kind of power tool, it is characterised in that it includes：
One rotating seat, rotated for being driven by the rotor connection of a power tool with a direction of rotation, provided with a pushing portion；
One beats block, and with rotating and can be located at the rotating seat with displacement to axial, axially opposite sides is respectively equipped with one and pushed away
Portion and plural hammering portion, the pushed part are intermittently axially pushed by the pushing portion and make the plural hammering portion axially away from the rotation
Seat；
One mandrel, is rotatably coupled the hammering block, and radial convex is provided with plural number and rushed by the plural hammering portion on the direction of rotation
The portion that is hit hit；
One resetting-mechanism, it is connected between the rotating seat and the hammering block and the plural hammering portion tool normality is hit away from this
The trend in portion.
2. the hammering mechanism of power tool as claimed in claim 1, it is characterised in that the rotating seat is provided with plural tank,
The plural hammering portion can be located in the plural tank with displacement to axial.
3. the hammering mechanism of power tool as claimed in claim 2, it is characterised in that the hammering block separately includes a basal disc,
The basal disc is located in the plural tank and is axially convexly equipped with the pushed part and the plural hammering portion.
4. the hammering mechanism of power tool as claimed in claim 1, it is characterised in that the another radial direction of the rotating seat is extended one
Bearing pin, the bearing pin wear the pushing portion.
5. the hammering mechanism of power tool as claimed in claim 4, it is characterised in that the pushing portion rotationally covers for one
Located at the rolling part of the bearing pin.
6. the hammering mechanism of the power tool as any one of claim 1 to 5, it is characterised in that the resetting-mechanism
The rotating seat and the pin member for beating block, and an at least elastic component are inserted in including at least one, at least an elastic component supports for this
It is connected between the pin member and the rotating seat or is connected between the pin member and the hammering block.
7. the hammering mechanism of power tool as claimed in claim 6, it is characterised in that the resetting-mechanism includes at least a set of
Located at an at least pin member and it is connected to the axle sleeve of an at least elastic component.
8. the hammering mechanism of power tool as claimed in claim 6, it is characterised in that the rotating seat is into big path jump shape
And a shoulder block is separately formed, the pin member is provided with a spiral shell section, and spiral shell Duan Yuyi nuts are spirally connected, and the elastic component is sheathed on the rotating seat
And it is connected between the shoulder block and the nut.
9. the hammering mechanism of the power tool as any one of claim 1 to 5, it is characterised in that the hammering portion and
The opposite face of the portion on the direction of rotation that be hit is mutually to parallel.
10. the hammering mechanism of the power tool as any one of claim 1 to 5, it is characterised in that the hammering portion with
Opposite face interval one spacing of the pushing portion on the direction of rotation, the spacing between the width of the pushing portion 1/3 to
Between 3/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948935.1U CN207087796U (en) | 2017-08-01 | 2017-08-01 | The hammering mechanism of power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720948935.1U CN207087796U (en) | 2017-08-01 | 2017-08-01 | The hammering mechanism of power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207087796U true CN207087796U (en) | 2018-03-13 |
Family
ID=61543376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720948935.1U Expired - Fee Related CN207087796U (en) | 2017-08-01 | 2017-08-01 | The hammering mechanism of power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207087796U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI658907B (en) * | 2018-05-25 | 2019-05-11 | 朝程工業股份有限公司 | Double hammer impact wrench |
-
2017
- 2017-08-01 CN CN201720948935.1U patent/CN207087796U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI658907B (en) * | 2018-05-25 | 2019-05-11 | 朝程工業股份有限公司 | Double hammer impact wrench |
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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: 20180313 Termination date: 20210801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |