CN206509985U - A kind of quick change construction of light electric hammer - Google Patents
A kind of quick change construction of light electric hammer Download PDFInfo
- Publication number
- CN206509985U CN206509985U CN201720044867.6U CN201720044867U CN206509985U CN 206509985 U CN206509985 U CN 206509985U CN 201720044867 U CN201720044867 U CN 201720044867U CN 206509985 U CN206509985 U CN 206509985U
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- China
- Prior art keywords
- steel ball
- pivoted housing
- cylinder
- electric hammer
- ring
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Abstract
The utility model discloses a kind of quick change construction of light electric hammer, including drill point head assembly, hammer drill pivoted housing component and the cylinder assembly being arranged on electric hammer body, feature is that cylinder assembly includes steel ball, cylinder and the first back-up ring being sequentially sleeved on cylinder, steel ball rack, steel ball collar, spring and the second back-up ring, one end top of spring is located on the second back-up ring, the other end top of spring is located on the rear end face of steel ball collar, the front end face top of steel ball collar is located in steel ball rack, steel ball hole is offered on cylinder, steel ball is arranged in steel ball hole, connecting rod is provided with drill point head assembly, the first fitting recess being adapted with steel ball is offered in connecting rod, pivoted housing is provided with hammer drill pivoted housing component, the second fitting recess being adapted with steel ball is offered on pivoted housing；Advantage is to realize being switched fast for drill point head assembly, hammer drill pivoted housing component and electric hammer body by steel ball interface arrangment, and overall structure is simple, and it is convenient, time saving and energy saving to switch, and effectively improves operating efficiency.
Description
Technical field
The utility model is related to a kind of light electric hammer, more particularly, to a kind of quick change construction of light electric hammer.
Background technology
Existing light electric hammer generally has two kinds of functions, including the drill point head assembly and hammer drill being adapted with electric hammer body
Hammer drill pivoted housing component clamping, is realized concrete drill hole operation by pivoted housing component on electric hammer body；If electric drill function need to be performed
(when drill steel material or timber), need to remove hammer drill pivoted housing component, change drill point head assembly, existing light electric hammer drill chuck group
All connected mostly by keyway arrangements between part, hammer drill pivoted housing component and electric hammer body, switch and come more time-consuming,
Influence operating efficiency.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of the fast of convenient, the time saving and energy saving light electric hammer of switching
Structure is changed, operating efficiency can be effectively improved.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of quick change construction of light electric hammer,
Including drill point head assembly, hammer drill pivoted housing component and the cylinder assembly being arranged on electric hammer body, described cylinder assembly includes steel
Ball, cylinder and the first back-up ring being sequentially sleeved on cylinder, steel ball rack, steel ball collar, spring and the second back-up ring, described spring
One end top be located on the second described back-up ring, the other end top of described spring is located at the rear end face of described steel ball collar
On, the front end face top of described steel ball collar is located in described steel ball rack, and steel ball hole is offered on described cylinder, described
Steel ball is arranged in described steel ball hole, is provided with connecting rod, described connecting rod and is offered in described drill point head assembly
Be provided with the first fitting recess being adapted with described steel ball, hammer drill pivoted housing component on pivoted housing, described pivoted housing offer with
The second fitting recess that described steel ball is adapted.
Further preferred scheme of the present utility model is：Described spring is tapered and its small end face top is located at described the
On two back-up rings, large end face top is located on described steel ball collar so that overall structure is more compact.
Further preferred scheme of the present utility model is：Limited step is provided with the front end of described steel ball rack, it is described
Limited step coordinate with described the first retainer ring spacing, it is ensured that the movement locus of steel ball rack.
Further preferred scheme of the present utility model is：The inwall of described steel ball collar is offered and described steel ball phase
The annular positioning groove of adaptation so that overall assembling is more firm.
Compared with prior art, the utility model has the advantage of realize drill point head assembly, hammer by steel ball interface arrangment
Brill pivoted housing component is switched fast with electric hammer body, and overall structure is simple, and it is convenient, time saving and energy saving to switch, and effectively improves work effect
Rate.
Brief description of the drawings
Fig. 1 is the structural representation of drill point head assembly in the utility model；
Fig. 2 is the structural representation of hammer drill pivoted housing component in the utility model；
Structural representation when Fig. 3 is the unassembled state of cylinder assembly in the utility model；
Fig. 4 is the structural representation in the utility model during cylinder assembly confined state；
Fig. 5 is drill point head assembly and the assembling structure schematic diagram of cylinder assembly in the utility model；
Fig. 6 is the assembling structure schematic diagram of hammer drill pivoted housing component and cylinder assembly in the utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As illustrated, a kind of quick change construction of light electric hammer, including drill point head assembly 1, hammer drill pivoted housing component 2 and it is arranged on
Cylinder assembly 3 on electric hammer body, cylinder assembly includes steel ball 31, cylinder 32 and the first back-up ring being sequentially sleeved on cylinder 32
33rd, steel ball rack 34, steel ball collar 35, the back-up ring 37 of spring 36 and second, one end top of spring 36 are located on the second back-up ring 37, spring
36 other end top is located on the rear end face of steel ball collar 35, and the front end face top of steel ball collar 35 is located in steel ball rack 34, cylinder
Steel ball hole 321 is offered on 32, steel ball 31 is arranged in steel ball hole 321, connecting rod 11 is provided with drill point head assembly 1, connected
The first fitting recess 111 being adapted with steel ball 31 is offered on bar 11, when chuck component 1 is assembled with cylinder assembly 3, steel ball 31
Bottom is connected in the first fitting recess 111, is provided with pivoted housing 21, pivoted housing 21 and is offered and steel ball 31 on hammer drill pivoted housing component 2
The second fitting recess 211 being adapted, when hammer drill pivoted housing component 2 is assembled with cylinder assembly 3, the bottom of steel ball 31 is connected to the second dress
With in groove 211, spring 36 is tapered and its small end face top is located on the second back-up ring 37, and large end face top is located on steel ball collar 35,
Limited step 341, the spacing cooperation of 341 and first back-up ring of limited step 33, steel ball collar 35 are provided with the front end of steel ball rack 34
Inwall offer the annular positioning groove 351 being adapted with steel ball 31, steel ball rack 34 is retreated to such as Fig. 4 institutes backward with hand during assembling
Show state, after drill point head assembly 1 or hammer drill pivoted housing component 2 are loaded, after loosing one's grip spring force by the forward recovery of steel ball rack 34 to such as
State shown in Fig. 3, so as to complete assembling, state is as shown in Figure 5 or Figure 6 after assembling.
A kind of quick change construction of light electric hammer provided by the utility model is described in detail above, herein should
Principle of the present utility model and embodiment are set forth with specific case, the explanation of above example is only intended to side
Assistant solves the utility model and core concept.It should be pointed out that for those skilled in the art, not departing from
On the premise of the utility model principle, some improvement and modification can also be carried out to the utility model, these improve and modified
Fall into the utility model scope of the claims.
Claims (4)
1. a kind of quick change construction of light electric hammer, including drill point head assembly, hammer drill pivoted housing component and it is arranged on electric hammer body
Cylinder assembly, it is characterised in that：Described cylinder assembly include steel ball, cylinder and be sequentially sleeved on cylinder the first back-up ring,
Steel ball rack, steel ball collar, spring and the second back-up ring, one end top of described spring are located on the second described back-up ring, described
The other end top of spring is located on the rear end face of described steel ball collar, and the front end face top of described steel ball collar is located at described
In steel ball rack, steel ball hole is offered on described cylinder, described steel ball is arranged in described steel ball hole, described drill chuck
The first fitting recess for offering and being adapted with described steel ball in connecting rod, described connecting rod is provided with component, hammer drill turns
The second fitting recess for offering and being adapted with described steel ball on pivoted housing, described pivoted housing is provided with set component.
2. a kind of quick change construction of light electric hammer according to claim 1, it is characterised in that：Described spring it is tapered and
Its small end face top is located on the second described back-up ring, and large end face top is located on described steel ball collar.
3. a kind of quick change construction of light electric hammer according to claim 1, it is characterised in that：The front end of described steel ball rack
Limited step is inside provided with, described limited step coordinates with the first described retainer ring spacing.
4. a kind of quick change construction of light electric hammer according to claim 1, it is characterised in that：Described steel ball collar it is interior
Wall offers the annular positioning groove being adapted with described steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044867.6U CN206509985U (en) | 2017-01-16 | 2017-01-16 | A kind of quick change construction of light electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720044867.6U CN206509985U (en) | 2017-01-16 | 2017-01-16 | A kind of quick change construction of light electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206509985U true CN206509985U (en) | 2017-09-22 |
Family
ID=59863772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720044867.6U Active CN206509985U (en) | 2017-01-16 | 2017-01-16 | A kind of quick change construction of light electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206509985U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11034002B2 (en) | 2018-03-23 | 2021-06-15 | Milwaukee Electric Tool Corporation | Attachment mechanism for a power tool |
-
2017
- 2017-01-16 CN CN201720044867.6U patent/CN206509985U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11034002B2 (en) | 2018-03-23 | 2021-06-15 | Milwaukee Electric Tool Corporation | Attachment mechanism for a power tool |
| US11504830B2 (en) | 2018-03-23 | 2022-11-22 | Milwaukee Electric Tool Corporation | Attachment mechanism for a power tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321300 No. 111, Jingui South Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province (self declaration) Patentee after: Zhejiang Deshuo Technology Co.,Ltd. Address before: 321300 No. 111, Jingui South Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province (self declaration) Patentee before: Zhejiang Deshuo Electric Appliance Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 321300 No. 111, Jingui South Road, Chengxi New District, Yongkang City, Jinhua City, Zhejiang Province (self declaration) Patentee after: Zhejiang Deshuo Electric Appliance Co.,Ltd. Address before: 321300 No. 28, Yinchuan East Road, Yongkang Economic Development Zone, Jinhua City, Zhejiang Province Patentee before: ZHEJIANG DESHI ELECTRICAL APPLIANCE CO.,LTD. |