CN110125881A - A kind of electric tool - Google Patents
A kind of electric tool Download PDFInfo
- Publication number
- CN110125881A CN110125881A CN201810107712.1A CN201810107712A CN110125881A CN 110125881 A CN110125881 A CN 110125881A CN 201810107712 A CN201810107712 A CN 201810107712A CN 110125881 A CN110125881 A CN 110125881A
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- CN
- China
- Prior art keywords
- shell
- air
- electric tool
- flow
- tool according
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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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0042—Devices for removing chips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2217/00—Details of, or accessories for, portable power-driven percussive tools
- B25D2217/0057—Details related to cleaning or cooling the tool or workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
The invention discloses a kind of electric tools, belong to power tools technology field.Electric tool provided by the present invention includes shell, motor, power output member, fan and air guide member, and motor is arranged in shell, and power output member is used for output power, and fan is arranged in shell；Shell one end is formed with the inside and outside air inlet to guide air-flow inflow enclosure interior of connection shell, is additionally provided with the inside and outside air outlet to guide air-flow to flow out to hull outside of connection shell；Air guide member is formed with for being oriented to the air dam at least partly blowing to power output member from the air-flow that air outlet flows out, when fan rotates, the intracorporal air-flow of shell is flowed into from air inlet to flow out from air outlet to which the dust for generating electric tool work blows to the direction deviated from operator, reduce the discrete areas of dust, raising operator's can be optionally, it can be avoided dust simultaneously to be inhaled into inside electric tool, reduce the failure rate of electric tool, improve the service life of electric tool.
Description
Technical field
The present invention relates to power tools technology field more particularly to a kind of electric tools.
Background technique
Electric tool is a kind of power tool for converting electrical energy into mechanical energy, and common electric tool includes electric hammer, electricity
Brill, impact drill or screwdriver etc..Electric tool includes motor and power output member, and power-conversion is mechanical energy by motor, and
The mechanical energy is passed to power output member to export.Power output member is in output power, unavoidably to work piece
Carry out damageability transformation.By taking electric hammer as an example, electric hammer is the electrodynamic type rotation hammer drill with Pneumatic hammering mechanism, in the base of electric drill
Crank connecting link and piston or Oscillating lever bearing a driving cylinder and jump bit motor-driven are increased on plinth.Electric hammer utilizes
Its internal piston does back and forth movement and carrys out compressed gas, using compressed gas drill hammer, does drill bit while rotating and stretches
Contracting movement, thus the aperture on the hard materials such as concrete, brick or stone.Compared to general electric drill, the aperture of electric hammer
It is more efficient, thus electric hammer will be used wider and wider it is general.
Electric hammer in use, is inevitably present the case where needing upward perforating, when the drill bit of electric hammer is beaten upwards
Kong Shi, a large amount of clast and dust that hard material can generate, clast can directly be fallen, still since the gravity being subject to is larger
Dust is since the gravity being subject to is smaller, under the influence of air draught, the mixed and disorderly irregular and diffusional area of dust falling direction compared with
Greatly, the sight of operator is seriously hindered, the work of operator is affected, and easilys lead to safety accident.In addition, by
Air inlet is fallen in electric hammer upward perforating in one end opposite with drill bit that the air inlet of electric hammer is generally located on electric hammer
The dust at place is easy to be inhaled into inside electric hammer, so that electric hammer be made to break down, shortens the service life of electric hammer.
Summary of the invention
The purpose of the present invention is to provide a kind of electric tool, which can blow to power output member for dust,
The operating comfort of operator is improved, and can be avoided dust and be inhaled into inside electric tool, is conducive to improve electric tool
Service life.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of electric tool, comprising:
Shell；
Motor is arranged in the shell；
Power output member is used for output power；
Fan is arranged in the shell；
It is inside and outside to guide air-flow to flow into the air inlet of the enclosure interior that the shell is formed with the connection shell；
The shell is also formed with:
It is inside and outside to guide air-flow to flow out to the hull outside to be connected to the shell for air outlet；
Air guide member is formed with and at least partly blows to the power output member for being oriented to from the air-flow that the air outlet flows out
Air dam；
Wherein, the air guide member is also formed with the interconnecting piece for being connected to the shell, and the air dam is at least partially disposed at
Outside the shell；In fan rotation, the intracorporal air-flow of shell is flowed into from the air inlet and is flowed out from the air outlet.
Preferably, being provided with reinforcement structure in the air dam.
Preferably, the reinforcement structure includes multiple reinforcing ribs disposed in parallel.
Preferably, the interconnecting piece also forms an accommodating chamber, for installing the fan.
Preferably, the air dam opening is directed toward described power output member one end.
Preferably, the air dam is L shape wind deflector, the L shape wind deflector includes the first plate and the second plate, described the
One plate is connect with the interconnecting piece, and second plate is located at the outside of the air outlet.
Preferably, the shell includes first shell and second shell, the first shell and the second shell can
Disassembly is connected to junction.
Preferably, the air guide member is removably connected to the junction.
Preferably, the air guide member and the first shell or the second shell are integrally formed.
Preferably, the electric tool can be electric hammer, electric drill, impact drill or screwdriver.
Beneficial effects of the present invention:
The present invention provides a kind of electric tool, the electric tool include shell, motor, power output member, fan andIt leads Wind part, in shell, power output member is used for output power for motor and fan setting, is provided with air inlet and outlet air on shell
Mouthful.When fan rotates, the intracorporal air-flow of shell is flowed into from air inlet and is flowed out from air outlet, the quilt in outflowAir guide member changes flowing wind To,To which the dust for generating electric tool work blows to the direction deviated from operator, reduces the discrete areas of dust, improve
Operator's optionally, while can be avoided dust and be inhaled into inside electric tool, reduce the failure rate of electric tool, mention
The service life of high electric tool.
Detailed description of the invention
Fig. 1 is the perspective view of electric tool provided by the present invention；
Fig. 2 is the main view of electric tool provided by the present invention；
Fig. 3 is the side view of electric tool provided by the present invention；
Fig. 4 is the side view of air guide member provided by the present invention；
Fig. 5 is the main view of air guide member provided by the present invention；
Fig. 6 is the cross-sectional view in the direction C-C in Fig. 5.
Fig. 7 is the cross-sectional view in the direction A-A in Fig. 3；
Fig. 8 is the partial enlarged view of part B in Fig. 7；
Fig. 9 is the installation diagram of air guide member and fan provided by the present invention；
In figure: 1, shell；101, first shell；102, second shell；
2, air inlet；
3, air guide member；301, interconnecting piece；3011, bottom plate；3012, side plate；302, air dam；3021, the first plate；3022,
Second plate；303, reinforcing rib；304, clamping portion；
4, main handle；5, secondary handle；6, power output member；7, function knob；8, fan.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of electric tool is present embodiments provided, electric tool can be electric hammer, electric drill, impact drill or screwdriver.
Electric hammer be it is a kind of can on the hard materials such as reinforcing bar, concrete, brick or stone aperture special electric drill, there is aperture effect
The advantages that rate is high, rapid operation.As shown in Figure 1 to Figure 3, electric tool mainly include shell 1, air guide member 3, power mechanism,
Hand and power output member 6.Shell 1 includes second shell 102 and first shell 101, second shell 102 and first shell 101
It is both ends open, the front end of second shell 102 is for installing power output member 6, the rear end of second shell 102 and first shell
101 are detachably connected, and connection type can be using clamping or screw connection, using detachable connection convenient for inside shell 1
The installation of structure and the maintenance and replacement of electric tool inner body, in the present embodiment, selection are connected using screw.Second
Shell 102 and first shell 101 can be structure as a whole, and can also have multiple portions to be spliced.It is with second shell 102
Example, second shell 102 can be spliced by second upper shell and second lower house, can also be right by the second left shell and second
Shell is spliced, naturally it is also possible to by the splicing of second upper shell, second lower house, the second left shell and the second right shell body
At being spliced by multiple portions helps to reduce the manufacture difficulty of shell 1, in this embodiment, not to each shell splicing part
Number specifically limited.First shell 101 is formed with inside and outside connection shell 1 and air-flow can be guided to flow into inside shell 1
Air inlet, wind can enter electric tool from air inlet, to radiate to the components in electric tool, in order to improve
Heat dissipation effect extends flow path of the gas in electric tool, air inlet 2 is arranged in the rear end of first shell 101.Power
Output 6 can be the drilling attachment for the pneumatic drill head of output gas or for installing different types of drill bit, commonly
Drill bit include it is through walls bore, impact drill and diamond bit, one end of drill bit are installed by drilling attachment to shell 1, and with setting in shell
Power mechanism transmission connection inside body 1, after drill bit is installed to power output member 6, the center line and drilling attachment of drill bit
Central axis be overlapped, to enable drill bit and dynamic drilling attachment synchronous rotary.
Power mechanism specifically includes motor, gear assembly and piston component, motor driven gear component and piston component
Movement, gear assembly drive drill bit to make rotating motion, and piston component drives drill bit to axially move.In order to improve electric tool
Use scope selects the specific motion mode of drill bit according to actual operation requirements convenient for user, functional rotation is arranged on shell 1
Button 7 switches electric tool between one impulse, single rotation and rotation band impact Three models by rotation function knob 7.
When function knob 7, which switches to drill bit, to be individually sequentially connected with gear assembly, electric tool is in single rotary mode, and drill bit can only
Rotation, cannot be axially moved, electric tool is used as simple electric drill at this time；When function knob 7 switch to drill bit individually with
When piston component is sequentially connected, drill bit can only be axially moved, and cannot be rotated, and electric tool can do electric pick use；When function is revolved
Button 7 switches to when being sequentially connected simultaneously with gear assembly and piston component, and drill bit can make rotating motion, and can do axial direction
Movement.
As depicted in figs. 1 and 2, handle includes main handle 4 and secondary handle 5, and main handle 4 is fixedly connected on first shell 101
Rear end, hand-held convenient for operator, secondary handle 5 is movably connected in second shell 102, and can be relative to second shell 102
Axis rotation.In order to improve the comfort level of handle, anti-skidding silicagel pad is posted on the outer wall of handle.Operator is using electronic
When tool, main handle 4 is held on the other hand, and another hand holds secondary handle 5, according to the direction revolute handle 5 of punching, to make to grasp
Author is in comfortable work angle.Secondary handle 5 can certainly be disassembled, main handle 4 is used alone.
In order to change the direction of being scattered of the dust generated in the electric tool course of work using outlet air inside electric tool,
The air outlet outside air-flow outflow shell 1 is provided with inside and outside connection shell 1 and can guided on shell, air outlet is set to dynamic
Between power output 6 and air inlet, and it is provided with air guide member 3 at air outlet, is formed on air guide member 3 for being oriented to from outlet air
The air dam 302 at least partly blowing to power output member 6 of the air-flow of mouth outflow, the part-structure of air dam 302 is gone out
Air port setting, and air dam 302 is open and is directed toward one end of power output member 6.In fan rotation, gas is from air inlet stream
Enter, and flowed out from air outlet, change the air-out direction of air outlet using air guide member 3, makes air-out direction towards power output member 6,
To change the fall trajectory of dust, dust can not only be blowed to away from the side of operator, and point of dust can be reduced
Dissipate region, and then avoid it is disorderly and unsystematic, everywhere disperse fall dust influence operator can be optionally.In addition to this, will
The front end that dust blows to shell 1 can be avoided dust by inside the negative pressure sucking electric tool at air inlet 2, advantageously reduce electricity
The failure rate of power driven tools improves the service life of electric tool.
Specifically, regarding air guide member 3 as an independence in order under the premise of not changing the manufacturing process of existing shell 1
Part manufacture, and by the installation of air guide member 3 to the junction of second shell 102 and first shell 101.Certainly in other realities
It applies in example, air guide member 3 and second shell 102 or first shell 101 can also be integrally formed, to reduce positioning difficulty.For
It avoids the setting of air outlet from influencing the structural strength of shell 1, air outlet is arranged in second shell 102 and first shell 101
Junction, dust is blown at handle in order to prevent, air outlet is arranged in the side opposite with main handle 4.Specifically, such as
Shown in fig. 4 to fig. 6, the specific structure of air guide member 3 further includes interconnecting piece 301 and clamping portion 304, air dam 302 and clamping portion
The 304 difference projections two sides opposite in interconnecting piece 301, clamping portion 304 and interconnecting piece 301 are stepped, and clamping portion 304 and company
The outside wall surface of socket part 301 is in arc structure.When installing air guide member 3, as shown in Figure 7 and Figure 8, by clamping portion 304 and connection
It is intracavitary that portion 301 is clamped the type to first shell 101, and abuts the outer wall of interconnecting piece 301 and the inner wall of shell 1, then by the
Two shells 102 are assembled with first shell 101, form air outlet, air dam in second shell 102 and 101 junction of first shell
302 are pierced by the outside that shell 1 is arranged in air outlet, for changing from air outlet flow out air-flow direction, air dam 302 with
Air-out passage is formed between shell 1, air-out passage is connected to air-guiding aisle.
As shown in figure 4, it is in shell-like structure that interconnecting piece 301 is whole, including bottom plate 3011 and along 3011 sideline projection of bottom plate
Side plate 3012, the through-hole for allowing air-flow to pass through is provided on bottom plate 3011, and side plate 3012 encloses to set to be formed around the sideline of bottom plate 3011
One accommodating chamber, side plate 3012 can be cyclic structure, or arc panel, when side plate 3012 is arc panel, for shape
At accommodating chamber, the quantity of arc panel is no less than two, and no less than two arc panels are spaced apart along the sideline of bottom plate 3011,
Perfectly even it is distributed.As shown in figure 9, set shell-like structure for interconnecting piece 301, convenient for by the part inside electric tool, than
Such as the fan 8 of motor, installs to accommodating chamber, to improve the tightness of electric tool internal structure, reduce inner body
Occupied space.
Specifically, L shape wind deflector includes the second plate 3022 and the first plate as shown in figure 4, air dam 302 is L shape wind deflector
3021,3021 one end of the first plate passes through air outlet and connect with the side plate 3012 of interconnecting piece 301, the other end of the first plate 3021 and the
The connection of two plates 3022, the second plate 3022 is located at the outside of shell 1, and is arranged with the outside wall parallel of shell 1,3022 direction of the second plate
The front end of shell 1 is arranged.In the present embodiment, the side plate 3012 of interconnecting piece 301, the first plate 3021 and the second plate 3022, which connect, is in
The air-out passage that zigzag, air dam 302 and shell 1 are formed is L shape channel.Certainly in other embodiments, 3022 He of the second plate
Angle between 1 outer wall of shell can also be at an acute angle, as long as guaranteeing air-out direction towards the front end of shell 1.
In order to improve the structural strength of air dam 302, prevent electric tool from accidentally falling or colliding with other objects
Cause air dam 302 impaired, as shown in fig. 6, being provided with reinforcement structure close to the side of shell 1 in the second plate 3022, reinforces knot
Structure can be to be arranged along air-out passage in flat reinforcing rib 303, and the preferably quantity of reinforcing rib 303 is multiple, and mutually
It is arranged in parallel.Certainly in other embodiments, reinforcement structure may be to reinforce platform or hog frame, as long as can reach reinforcement
The purpose of 302 structural strength of air dam.Air dam 302 damages in order to prevent, can also be on the outer peripheral surface of air dam 302
It is provided with buffer structure, for example cladding buffer body, buffer body can use sponge or flexible rubber bodies.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of electric tool, comprising:
Shell；
Motor is arranged in the shell；
Power output member is used for output power；
Fan is arranged in the shell；
It is inside and outside to guide air-flow to flow into the air inlet of the enclosure interior that the shell is formed with the connection shell；
It is characterized by:
The shell is also formed with:
It is inside and outside to guide air-flow to flow out to the hull outside to be connected to the shell for air outlet；
Air guide member is formed with and at least partly blows to leading for the power output member for being oriented to from the air-flow that the air outlet flows out
Wind portion；
Wherein, the air guide member is also formed with the interconnecting piece for being connected to the shell, and the air dam is at least partially disposed at described
Outside shell；In fan rotation, the intracorporal air-flow of shell is flowed into from the air inlet and is flowed out from the air outlet.
2. electric tool according to claim 1, which is characterized in that
Reinforcement structure is provided in the air dam.
3. electric tool according to claim 2, which is characterized in that
The reinforcement structure includes multiple reinforcing ribs disposed in parallel.
4. electric tool according to claim 1, which is characterized in that
The interconnecting piece also forms an accommodating chamber, for installing the fan.
5. electric tool according to claim 1, which is characterized in that
The air dam opening is directed toward described power output member one end.
6. electric tool according to claim 1, which is characterized in that
The air dam is L shape wind deflector, and the L shape wind deflector includes the first plate and the second plate, first plate and the company
Socket part connection, second plate are located at the outside of the air outlet.
7. electric tool according to claim 1, which is characterized in that
The shell includes first shell and second shell, the dismountable company of being connected to of the first shell and the second shell
Meet place.
8. electric tool according to claim 7, which is characterized in that
The air guide member is removably connected to the junction.
9. electric tool according to claim 7, which is characterized in that
The air guide member and the first shell or the second shell are integrally formed.
10. electric tool according to claim 1, which is characterized in that
The electric tool can be electric hammer, electric drill, impact drill or screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107712.1A CN110125881A (en) | 2018-02-02 | 2018-02-02 | A kind of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810107712.1A CN110125881A (en) | 2018-02-02 | 2018-02-02 | A kind of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110125881A true CN110125881A (en) | 2019-08-16 |
Family
ID=67567170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810107712.1A Pending CN110125881A (en) | 2018-02-02 | 2018-02-02 | A kind of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110125881A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103194A (en) * | 2020-01-09 | 2021-07-13 | 南京德朔实业有限公司 | Electric tool |
-
2018
- 2018-02-02 CN CN201810107712.1A patent/CN110125881A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103194A (en) * | 2020-01-09 | 2021-07-13 | 南京德朔实业有限公司 | Electric tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190816 |