CN207387575U - Multifunctional electric hammer - Google Patents
Multifunctional electric hammer Download PDFInfo
- Publication number
- CN207387575U CN207387575U CN201721088696.3U CN201721088696U CN207387575U CN 207387575 U CN207387575 U CN 207387575U CN 201721088696 U CN201721088696 U CN 201721088696U CN 207387575 U CN207387575 U CN 207387575U
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- multifunctional electric
- electric hammer
- support shaft
- clutch sleeve
- transfer strip
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Abstract
The utility model, which discloses a kind of multifunctional electric hammer 100, to be included：Casing 4, the motor 13 being arranged in casing 4, the support shaft 1 that motor 13 drives, function switching part 102 and output section 103, output section has the first gear 5 positioned at 1 left end of support shaft and the reciprocating part 6 positioned at right end, function switching part, which has, is set in support shaft 1 and a pair of of the clutch sleeve 2 engaged with support shaft 1, the transfer strip 3 being supported on clutch sleeve, function knob 8, 4 inside of casing has the slide 4a for accommodating transfer strip both sides, above-mentioned function knob 8 drives transfer strip 3 to be moved left and right along slide 4a, clutch sleeve 2 is made to engage or disconnect with reciprocating part, so as to achieve the effect that when positioning transfer strip 3 with simple in structure and cost-effective.
Description
[technical field]
The utility model is related to a kind of hand-held tool field more particularly to a kind of multifunctional electric hammers for having gear switch.
[background technology]
A kind of multifunctional electric hammer is cut for concrete substrate, steel, timber etc. to be drilled or dug, described multi-functional
Electric hammer generally includes function switching part, and the function switching part is cut between impact shelves either impact and seek loopholes or seek loopholes
It changes.
It refers to Chinese invention patent and discloses CN106895131A medium sizes and disclose a kind of pattern for electric tool
Switch unit, the mode switch element include operating parts and switch piece, and the switch piece includes at least two be located on guide rod
Control panel and shift fork, described two control panels and shift fork can be moved along the guide rod, and the operating parts includes eccentric lobe part, institute
Stating eccentric lobe part can make one of control panel be moved to another location from a position between described two control panels,
The shift fork is then moved to another position under the action of another control panel from a position, so as to drive transmission connection piece
Another position is moved to from a position.
But the mode switch element of above-mentioned electric tool is at work, and switch piece is slided along guide rod, above-mentioned electronic installing
When instrument, it is necessary to switch piece are first installed on guide rod, then guide rod is installed on casing again, assembling is extremely complex；Together
The guide rod of the mode switch element of Shi Shangshu adds the cost of the electric tool.
It is then desired to the function change-over device of existing multifunctional electric hammer is improved, so that assembling is simple simultaneously
It is and cost-effective.
[utility model content]
To solve the above problems, the utility model, which provides one kind, has the simple multifunctional electric hammer of assembling.
In order to solve the above technical problems, the utility model adopts the following technical solution：A kind of multifunctional electric hammer 100, bag
It includes：Support shaft 1, function switching part 102 and the output section 103 that casing 4, the motor 13 being arranged in casing 4, motor 13 drive are defeated
Going out portion has the first gear 5 positioned at 1 left end of support shaft and the reciprocating part 6 positioned at right end, and function switching part, which has, is set in branch
Support axis 1 and a pair of of clutch sleeve 2 for being engaged with support shaft 1 and elastic element 7 between the clutch sleeve, be supported on from
Transfer strip 3, function knob 8 on trap cylinder；4 inside of casing has the slide 4a for accommodating transfer strip both sides, above-mentioned function
Knob 8 drives transfer strip 3 to be moved left and right along slide 4a, and clutch sleeve 2 is made to engage or disconnect with reciprocating part.
The scheme of being further improved is：The pair of clutch sleeve 2 is respectively provided with cylinder step surface, the transfer strip
3 are equipped with the two side for being connected to the step surface respectively.
The scheme of being further improved is：The transfer strip 3 is equipped with the bottom wall of connection two side, which has through hole 3b, institute
Function knob 8 is stated with the bayonet lock 8a through through hole 3b.
The scheme of being further improved is：It is convex that 4 both sides of casing are respectively equipped with the upper and lower opposite a pair extended into housing
Rib 41 and the groove 42 between fin 41, the fin 41 and groove 42 form above-mentioned slide 4a, the bottom wall of the transfer strip 3
With being protruded out towards both ends and accommodate the guide edge 3a in above-mentioned groove 42.
The scheme of being further improved is：In the slide 4a of 4 both sides of casing is generally aligned in the same plane, and with 1 axle center of support shaft
Centered on the vertical direction plane of line, the both sides of casing 4 are respectively arranged at.
The scheme of being further improved is：The fin 41 has towards groove and guides the guiding face of transfer strip 3.
The scheme of being further improved is：The first gear 5 is sheathed in support shaft 1, and the output section 103 also has flat
Row is arranged on the hammer pipe 9 of 1 top of support shaft, is sheathed on hammer pipe 9 and the second gear 10 being fixedly connected with hammer pipe 9, second tooth
Wheel 10 is meshed with first gear 5.
The scheme of being further improved is：The reciprocating part 6 is sheathed in support shaft 1, and the reciprocating part 6 has swing rod 6a, institute
Stating output section 103 has the cylinder 11 slided along 9 inner wall of hammer pipe, and the swing rod 6a is swung with the cylinder 11 to be connected and drive gas
Cylinder 11 moves back and forth.
The scheme of being further improved is：The multifunctional electric hammer 100 when switch to seek loopholes when, the transfer strip 3 driving left side
Clutch sleeve 2 engaged with first gear 5, while the clutch sleeve 2 on right side is separated with reciprocating part 6.
The scheme of being further improved is：When switching to impact and seeking loopholes, the transfer strip 3 drives the multifunctional electric hammer 100
The clutch sleeve 2a in left side is engaged with first gear 5, while the clutch sleeve 2b on right side is engaged with reciprocating part 6.
The scheme of being further improved is：For the multifunctional electric hammer 100 when switching to impact shelves, the transfer strip 3 drives a left side
The clutch sleeve 2a of side is separated with first gear 5, while the clutch sleeve 2b on right side is engaged with reciprocating part 6.
The scheme of being further improved is：The clutch sleeve 2 engages connection with the support shaft 1 by keyway or gear.
The utility model has the advantages that：The slide of transfer strip both sides is accommodated by being provided in internal side of shell,
Compared with the prior art, locating shaft is not required in positioning in the transfer strip of the utility model, and not only assembling is simple also has saving
In addition slide is arranged on casing both sides by the effect of cost, not only increase the support strength of slide, is also improved transfer strip and is existed
The smoothness moved in slide.
[description of the drawings]
Fig. 1 is the front view of the utility model multifunctional electric hammer；
Fig. 2 is the sectional view of multifunctional electric hammer shown in Fig. 1；
Fig. 3 is the three-dimensional view of casing and transfer strip in the utility model multifunctional electric hammer；
Fig. 4 is the three-dimensional view of transfer strip in the utility model multifunctional electric hammer；
Fig. 5 is that the utility model multifunctional electric hammer is located at the partial view impacted when seeking loopholes；
Fig. 6 is partial view when the utility model multifunctional electric hammer is located at impact shelves；
Fig. 7 is the utility model multifunctional electric hammer positioned at partial view when seeking loopholes.
The meaning of reference numeral in figure：
100th, multifunctional electric hammer, 102, function switching part, 103, output section, 1 support shaft, 2, clutch sleeve, 3, transfer strip,
3a, guide edge, 3b, through hole, 4, casing, 4a, slide, 5, first gear, 6, reciprocating part, 6a, swing rod, 7, spring, 8, function rotation
Button, 8a, bayonet lock, 9, hammer pipe, 10, second gear, 11, cylinder, 12, input gear, 13, motor, 14, block stamp, 15, impact bar,
41st, fin, 42, groove.
[specific embodiment]
It refer to shown in Fig. 1 and Fig. 2, the multifunctional electric hammer 100 of the utility model has casing 4, is arranged in casing 4
Motor 13, motor-driven support shaft 1, function switching part 102 and output section 103.Motor 13 is by input gear 12 by power
Support shaft 1 is passed to, support shaft 1 imparts power to function switching part 102, and above-mentioned function switching part 102 is supported on support shaft
On 1, and any one gear in three kinds of gears such as the function switching part 102 can switch to impact shelves, impact seeks loopholes and seeks loopholes
Output section 103 is imparted power to, realizes the functional mappings such as hammer drill.
The function switching part 102 has：A pair of of clutch sleeve 2 for being set in support shaft 1 and positioned at a pair of clutch
Elastic element 7 between sleeve 2, transfer strip 3, the function knob 8 being supported on clutch sleeve.The pair of clutch sleeve 2 divides
Step surface that Ju You be not cylinder, the transfer strip 3 are equipped with the two side for being connected to the step surface respectively and connection both sides
The bottom wall of wall, the bottom wall of transfer strip 3 have through hole 3b, and above-mentioned function knob 8 is rotatably arranged on casing and has and wears
The bayonet lock 8a of through hole 3b is crossed, in the present embodiment, the clutch sleeve 2 and support shaft 1 engage connection by keyway or gear, and from
Trap cylinder 2 is rotated with the support shaft 1.
Left end will be defined as along the outbound course of multifunctional electric hammer 100, be defined as vertical direction perpendicular to outbound course, institute
State output section 103 have positioned at 1 left end of support shaft first gear 5, positioned at right end reciprocating part 6, it is parallel be arranged on support shaft 1
The hammer pipe 9 of top, the second gear 10 being immobilizated in outside hammer pipe 9, the first gear 5 are sheathed on support shaft 1 and relatively rotate, institute
It states second gear 10 and is engaged in first gear 5, i.e., bored when multifunctional electric hammer is under function operation pattern, above-mentioned support shaft 1 will
Power passes to a clutch sleeve 2, and clutch sleeve 2 is fastened in first gear 5, and first gear 5 is driven to rotate, first gear
5 engage that hammer pipe 9 is driven to make rotation output with second gear 10.
The right end that the reciprocating part 6 is sheathed on support shaft 1 can simultaneously be rotated compared with support shaft 1.The output section has edge
Cylinder 11 that above-mentioned 9 inner wall of hammer pipe slides, along the block stamp 14 of 11 internal slide of cylinder, along hammer 9 internal slide of pipe and positioned at block stamp
The impact bar 15 on 14 left side.When multifunctional electric hammer is under impact conditions, another clutch sleeve 2 is nibbled with the support shaft 1
It closes and rotates together, while the clutch sleeve 2 is fastened on reciprocating part 6, and reciprocating part 6 is driven to move, in the present embodiment, institute
Reciprocating part 6 is stated as a kind of Oscillating lever bearing, which there is swing rod 6a, the swing rod 6a cylinder 11 to be driven back and forth to transport
It is dynamic, and block stamp 14 is carried out at the same time reciprocating impact movement under the driving of 11 internal gas of cylinder, block stamp 14 passes to impact force
Impact bar 15 carries out impact output, the action hammered into shape.
It refer to shown in Fig. 3 to Fig. 7,4 inside of casing has a pair of of the slide 4a for accommodating 3 both sides of transfer strip, at this
In embodiment, which is respectively equipped with upper and lower opposite a pair of of fin 41 for extending into housing and positioned at fin 41
Between groove 42, the fin 41 and groove 42 form above-mentioned slide 4a, and the right end of fin 41 has and is used for towards groove
Guide the guiding face of transfer strip 3.In the pair of slide 4a is generally aligned in the same plane, and a pair of slide is with 1 axial line of support shaft
Vertical direction plane centered on, be respectively arranged at the both sides of casing 4, improve the smooth travelling performance of transfer strip 3.The switching
The bottom wall of piece 3, which has, to be protruded out towards both ends and accommodates the guide edge 3a in above-mentioned groove, and transfer strip 3 is facilitated to be located in slide and does a left side
Right direction moves, and prevents transfer strip disengaging shell, and in present embodiment, the fin 41 is directly from 4 liang of laterally inner sides of casing
It is extended with beneficial to the intensity for enhancing slide 4a.
There are three types of operation range, operator drives to cut by function knob 8 tool of multifunctional electric hammer 100 of the utility model
It changes piece 3 to move left and right along slide 4a, as shown in fig. 7, the transfer strip 3 drives the clutch sleeve 2a and first gear in the left side
5 engagements, while the clutch sleeve 2b on right side is separated with reciprocating part 6, multifunctional electric hammer only carries out rotation output, is now in boring
Shelves；As shown in figure 5, the clutch sleeve 2a in the driving of transfer strip 3 left side is engaged with first gear 5, while the clutch cover on right side
Cylinder 2b is engaged with reciprocating part 6, and multifunctional electric hammer is carried out at the same time rotation and impact output, is now in impact and is sought loopholes；Such as Fig. 6 institutes
Show, the clutch sleeve 2a in the transfer strip 3 driving left side is separated with first gear 5, while the clutch sleeve 2b on right side with back and forth
Portion 6 is engaged, and multifunctional electric hammer only carries out impact output, is now in impact shelves.
The utility model is by the slide 4a for being provided with 3 both sides of collecting transfer strip in 4 inside of casing, compared with existing skill
Art, transfer strip 3 are positioned without locating shaft, not only assemble it is simple and cost-effective, in addition a pair of of slide of the utility model with
Centered in the lower planes of 1 axial line of support shaft, the both sides of casing 4 are respectively arranged at, not only increase the support of slide 4a
Intensity also improves the smoothness that transfer strip 3 moves in slide 4a.
The utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art can easily understand
It arrives, is equipped on the premise of the utility model principle and scope is not departed from, in the casing of the utility model and accommodates 3 both sides of transfer strip
Slide technical solution, can be not only used for above-mentioned tool there are three types of gear multifunctional electric hammer inside, in addition can equally use
Inside multifunctional electric hammer of the tool there are two types of gear, the scope of protection of the utility model is subject to the content of claims.
Claims (12)
1. a kind of multifunctional electric hammer (100), including：Casing (4), the motor (13) being arranged in casing (4), motor (13) drive
Dynamic support shaft (1), function switching part (102) and output section (103), function switching part (102) are supported in support shaft (1)；
Output section has the first gear (5) positioned at support shaft (1) left end and the reciprocating part (6) positioned at right end, and function switching part has
A pair of of the clutch sleeve (2) for being set in support shaft (1) and being engaged with support shaft (1) and the elasticity member between the clutch sleeve
Part (7), the transfer strip (3) being supported on clutch sleeve, function knob (8)；
It is characterized in that：There is the slide (4a) for accommodating transfer strip (3) both sides, above-mentioned function knob (8) on the inside of the casing (4)
Driving transfer strip (3) is moved left and right along slide (4a), and clutch sleeve (2) is made to engage or disconnect with reciprocating part.
2. multifunctional electric hammer (100) according to claim 1, it is characterised in that：The pair of clutch sleeve (2) has respectively
There is cylinder step surface, the transfer strip (3) is equipped with the two side for being connected to the step surface respectively.
3. multifunctional electric hammer (100) according to claim 2, it is characterised in that：The transfer strip (3) is equipped with connection both sides
The bottom wall of wall, the bottom wall have through hole (3b), and the function knob (8) has the bayonet lock (8a) through through hole (3b).
4. multifunctional electric hammer (100) according to claim 1, it is characterised in that：Casing (4) both sides be respectively equipped with to
Upper and lower opposite a pair of of fin (41) of extension and the groove (42) between fin (41) in housing, the fin (41) and
Groove (42) forms above-mentioned slide (4a), and the bottom wall of the transfer strip (3), which has, to be protruded out towards both ends and accommodate above-mentioned groove (42)
Interior guide edge (3a).
5. multifunctional electric hammer (100) according to claim 4, it is characterised in that：The slide (4a) of casing (4) both sides
In being generally aligned in the same plane, and centered on the vertical direction plane of support shaft (1) axial line, it is respectively arranged at the two of casing (4)
Side.
6. multifunctional electric hammer (100) according to claim 5, it is characterised in that：The fin (41) has towards groove
And the guiding face of guiding transfer strip (3).
7. multifunctional electric hammer (100) according to claim 1, it is characterised in that：The first gear (5) is sheathed on support
On axis (1), the output section (103) also there is parallel hammer pipe (9) above the support shaft (1), be sheathed on hammer pipe (9) and with
The second gear (10) that hammer pipe (9) is fixedly connected, the second gear (10) are meshed with first gear (5).
8. multifunctional electric hammer (100) according to claim 7, it is characterised in that：The reciprocating part (6) is sheathed on support shaft
(1) on, the reciprocating part (6) has swing rod (6a), and the output section (103) has the cylinder slided along hammer pipe (9) inner wall
(11), the swing rod (6a) swings with the cylinder (11) connects and cylinder (11) is driven to move back and forth.
9. multifunctional electric hammer (100) according to claim 8, it is characterised in that：The multifunctional electric hammer (100) works as switching
To when seeking loopholes, the clutch sleeve (2) in transfer strip (3) the driving left side is engaged with first gear (5), while the clutch cover on right side
Cylinder (2) is separated with reciprocating part (6).
10. multifunctional electric hammer (100) according to claim 8, it is characterised in that：The multifunctional electric hammer (100) is when cutting
When shifting to impact and seeking loopholes, the clutch sleeve (2a) in transfer strip (3) the driving left side is engaged with first gear (5), while right side
Clutch sleeve (2b) engaged with reciprocating part (6).
11. multifunctional electric hammer (100) according to claim 8, it is characterised in that：The multifunctional electric hammer (100) is when cutting
When shifting to impact shelves, the clutch sleeve (2a) in transfer strip (3) the driving left side is separated with first gear (5), while right side
Clutch sleeve (2b) is engaged with reciprocating part (6).
12. multifunctional electric hammer (100) according to any one of claim 1 to 11, it is characterised in that：The clutch sleeve
(2) connection is engaged by keyway or gear with the support shaft (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954138 | 2017-08-01 | ||
| CN2017209541384 | 2017-08-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207387575U true CN207387575U (en) | 2018-05-22 |
Family
ID=62418510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721088696.3U Active CN207387575U (en) | 2017-08-01 | 2017-08-28 | Multifunctional electric hammer |
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| Country | Link |
|---|---|
| CN (1) | CN207387575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336199A (en) * | 2017-08-01 | 2017-11-10 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
| CN112847257A (en) * | 2021-04-03 | 2021-05-28 | 浙江杭博电动工具有限公司 | Electric hammer capable of stably switching working state |
-
2017
- 2017-08-28 CN CN201721088696.3U patent/CN207387575U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107336199A (en) * | 2017-08-01 | 2017-11-10 | 江苏东成机电工具有限公司 | Multifunctional electric hammer |
| CN112847257A (en) * | 2021-04-03 | 2021-05-28 | 浙江杭博电动工具有限公司 | Electric hammer capable of stably switching working state |
| CN112847257B (en) * | 2021-04-03 | 2024-05-28 | 浙江杭博电动工具有限公司 | Electric hammer capable of stably switching working state |
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| GR01 | Patent grant | ||
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