CN201989023U - Handheld electric tool - Google Patents
Handheld electric tool Download PDFInfo
- Publication number
- CN201989023U CN201989023U CN2010206283730U CN201020628373U CN201989023U CN 201989023 U CN201989023 U CN 201989023U CN 2010206283730 U CN2010206283730 U CN 2010206283730U CN 201020628373 U CN201020628373 U CN 201020628373U CN 201989023 U CN201989023 U CN 201989023U
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- CN
- China
- Prior art keywords
- field frame
- motor field
- vibration damping
- handgrip
- damping parts
- 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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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a handheld electric tool which not only has simple structure but also has a certain shock absorption effect, particularly a handheld angle grinder, wherein the angle grinder comprises a motor shell equipped with an electric driver and a handle; the motor shell is provided with a connecting segment in a position close to the handle end; the motor shell is connected with the handle by the connecting segment thereof directly or by a handle retaining element arranged between the motor shell and the handle; the connecting segment of the motor shell is provided with a vibration damping component which is a part of the motor shell, and the vibration damping component and the motor shell are integrated.
Description
Technical field
The utility model relates to a kind of hand held electric tool, especially hand-held angle grinding machine.
Background technology
On the hand held electric tool of known this type (DE3813971C2), handgrip is maintained on the motor field frame by the handgrip holding device between the motor field frame that is arranged on it and hand held electric tool, and this handgrip holding device has and is fixed on motor field frame by some screws and has on the keeper of pipe end section form of outstanding groove circle.Be provided with the vibration damping parts that at least one is connected with this keeper and handgrip in addition.This handgrip terminates on the bell jar that is overlapped on vibration damping parts and the motor field frame keeper, the vibration damping parts are received in this bell jar in this wise in the both sides of the outstanding groove circle of keeper, and promptly a side of vibration damping parts leans against on the keeper and opposite side leans against on the corresponding axial vane surface of bell jar of handgrip.This structural vibrations damped part is an independent component, and is not one between handgrip holding device, motor field frame and the handgrip.The vibration damping parts need just can be installed to corresponding site by assembling, and cumbersome, the vibration damping parts depart from corresponding site easily in the assembling process, cause the vibration damping effect to be had a greatly reduced quality.
The vibration damping parts are set between the keeper and dash receiver of handgrip holding device in CN100464957C, connect into an integral body with both.This structure more complicated, affine performance, product processing technique and the mould of material all have higher requirements between the two to vibration damping parts and handgrip holding device.
Summary of the invention
The purpose of this utility model is: a kind of hand held electric tool that certain effectiveness in vibration suppression is arranged again simple and reliable for structure is provided.
The utility model is achieved through the following technical solutions:
Hand held electric tool, has a motor field frame and the handgrip that Vidacare corp is housed, be provided with linkage section near the handgrip end on the motor field frame, motor field frame by its linkage section directly or be arranged on it by one and be connected with handgrip with handgrip keeper between the handgrip, have the vibration damping parts on the linkage section of motor field frame, the vibration damping parts are parts of motor field frame, and both are one.
Advantage of the present utility model is: vibration damping parts and the motor case had on the linkage section of motor field frame are one, and the vibration damping parts are parts of motor field frame.The vibration damping parts need not assembling and directly are fixed on the motor field frame, and the vibration damping parts can not depart from corresponding site, and vibration damping effect is preferably arranged.
Hand held electric tool can further improvement and perfect of the middle by the following technical programs measure of describing.
Vibration damping parts on the motor field frame linkage section are processed or are covered to process by quadric injection mould and form, or are affixed on the motor field frame by gluing.
The vibration damping parts are screw-like and distribute or be on the linkage section that flute profile is arranged in motor field frame, and like this so that be connected with handgrip or handgrip keeper reliably, the vibration that the while produces in the time of absorbing tool work preferably again makes tool operation more comfortable.
The flexible glue part that also has other on the outer surface of motor field frame, flexible glue part and vibration damping parts can be simplified Shooting Technique, reduction injection moulding cost like this by what process with once quadric injection mould; Can certainly right and wrong process, can satisfy the properties of product needs more like this with once quadric injection mould.
Hand held electric tool is the angle grinding machine.Because other reason in the imbalance of cutting blade (or abrasive disc) or the course of work can produce bigger vibration, can effectively cushion absorbing during the work of angle grinding machine, improve the comfort level of product operation by technique scheme.
Description of drawings
Fig. 1 is the schematic side view of a hand electric angle grinding machine of the present utility model.
Fig. 2 is be connected with handgrip link or the handgrip keeper partial sectional view at position of the motor field frame of the hand electric angle grinding machine among Fig. 1.
Fig. 3 is the motor field frame schematic side view of an embodiment of the present utility model, the vibration damping parts are screw-like and are distributed on its linkage section, the flexible glue that wherein also has other on the motor case external surface, flexible glue part and vibration damping parts are to process by same quadric injection mould once.
Fig. 4 is the motor field frame schematic side view of another embodiment of the present utility model, the vibration damping parts are flute profile and are arranged on its linkage section, the flexible glue that wherein also has other on the motor case external surface, flexible glue part and vibration damping parts are to process by non-same quadric injection mould once.
The specific embodiment
As shown in Figure 1: the hand-held angle grinding machine (10) as an embodiment of general hand held electric tool has a motor field frame (11), being provided with one regularly at the housing end face of this motor field frame (11) has and stretches out, the transmission device termination (12) that is used for the drive shaft (13) of emery wheel, and on the other end of this motor field frame (11), be provided with a linkage section (15) and be used for being connected with handgrip (20), motor field frame (11) matches incompatible the connection with handgrip link or handgrip keeper (25) by its linkage section (15), carries out dust seal as far as possible at these end faces of motor field frame.Handgrip (20) comprises a long handle handgrip (21) that grips for the operator when hand-held angle grinding machine (10) is worked, long handle handgrip (21) is provided with one and is used for the on-off switch that operation control is installed in the drive motor of motor field frame (11).This hand-held angle grinding machine can be used for corase grind and grinding.
Operation for convenience, usually the handgrip (20) with hand-held angle grinding machine is designed to rotatable handgrip, be that handgrip (20) can be fixed on to oscillation adjustment on the motor field frame (11), be that handgrip (20) can swingingly be fixed on by the vertical central axis line around motor field frame (11) on the handgrip keeper (25) between motor field frame (11) and the handgrip (20), handgrip (20) has three different relative swing position at least on handgrip keeper (25).Motor field frame (11) is connected with handgrip (20) by handgrip keeper (25).Between motor field frame and the handgrip keeper is to fixedly connected, and is fixedlying connected of can swinging between handgrip keeper (25) and the handgrip, and handgrip keeper (25) and handgrip (20) syndeton mutually are routine techniques in the industry, therefore do not illustrate in Fig. 1.
In Fig. 2, motor field frame (11) is gone up near the handgrip end and is provided with linkage section (15), motor field frame (11) reaches with handgrip (20) with handgrip link or handgrip keeper (25) by its linkage section (15) and is connected, the linkage section (15) of motor field frame (11) is gone up with vibration damping parts (16), vibration damping parts (16) are the parts of motor field frame (11), both are one, and promptly both are non-dismountable connections.The linkage section (15) of motor field frame (11) is gone up with vibration damping parts (16) and handgrip link or handgrip keeper (25) and is close to, preserve certain contact pressure between the two, to guarantee between motor field frame (11) and handgrip link or the handgrip keeper (25) certain syndeton intensity being arranged, satisfy the requirement of hand held electric tool operating characteristics.The vibration that produces bigger all directions component in the hand held electric tool operation simultaneously, be delivered to the linkage section (15) of motor field frame (11), because vibration damping parts (16) are that flexible piece has certain elasticity, can produce the buffering distortion after the vibration damping parts are stressed, the damped vibration amount, pass to handgrip link or handgrip keeper (25) by the vibration damping parts with the less vibration amount, therefore the vibration of the holding area of handgrip is greatly improved, and has improved the comfort level of hand held electric tool operation.
In Fig. 3, vibration damping parts (16a) on the motor field frame (11) are screw-like and are distributed on its linkage section (15), flexible glue (17a) part that wherein also has other on motor field frame (11) outer surface, flexible glue (17a) part and vibration damping parts (16a) are to process by same quadric injection mould once, can simplify Shooting Technique like this, reduce the injection moulding cost.Vibration damping parts (16a) corresponding structure that distributes with screw-like is arranged on handgrip link or the handgrip keeper, can be under the prerequisite that keeps bonding strength, the convenient connection, be particularly suitable for motor field frame (11) and reach the hand held electric tool that is connected with handgrip (20) with handgrip keeper (25) by its linkage section (15).
In Fig. 4, vibration damping parts (16b) on the motor field frame (11) are flute profile and are arranged on its linkage section (15), the flexible glue (17b) that wherein also has other on motor field frame (11) outer surface, flexible glue (17b) part and vibration damping parts (16a) are to process by non-same quadric injection mould once, different parts can select the material of different performance like this, satisfies the properties of product needs more.Handgrip link or handgrip keeper have and are vibration damping parts (16b) corresponding structure that flute profile is arranged, and bigger contact area is arranged between the two, can guarantee bonding strength preferably, the convenient connection.Be particularly suitable for the hand held electric tool that motor field frame (11) directly is connected with handgrip (20) by its linkage section (15).
Being connected as a whole mode between vibration damping parts on the motor field frame linkage section and the motor field frame linkage section can have multiplely, preferred quadric injection mould processing, applies processing and is connected with gluing.Motor field frame is generally plastic parts, the vibration damping parts adopt quadric injection mould processing, cover processed with gluing be connected comparatively convenient.Add man-hour when the vibration damping parts adopt quadric injection mould, require vibration damping component materials and motor field frame material that certain compatibility will be arranged, will have big bonded area to guarantee both bonding strengths simultaneously between the two.Size, thickness and the material hardness of vibration damping parts area directly influence damping property, can rationally choose size, thickness and the material hardness value of vibration damping parts area as required.
The vibration damping parts are the screw-like distribution or are flute profile when being arranged in the linkage section of motor field frame, and other flexible glue can be arranged on the motor case external surface, also can not have other flexible glue; When being that screw-like distributes or when being on vibration damping parts that flute profile arranges and the motor case external surface in addition other flexible glue, vibration damping parts and flexible glue can be to process with once quadric injection mould, also can right and wrong process with once quadric injection mould.
Claims (9)
1. hand held electric tool, has a motor field frame and the handgrip that Vidacare corp is housed, be provided with linkage section near the handgrip end on the motor field frame, motor field frame by its linkage section directly or be arranged on it by one and be connected with handgrip with handgrip keeper between the handgrip, have the vibration damping parts on the linkage section of motor field frame, its feature as for: the vibration damping parts are parts of motor case, and both are one.
2. hand held electric tool according to claim 1 is characterized in that: the vibration damping parts on the described motor field frame linkage section process by quadric injection mould.
3. hand held electric tool according to claim 1 is characterized in that: the vibration damping parts on the described motor field frame linkage section process by coating.
4. hand held electric tool according to claim 1 is characterized in that: the vibration damping parts on the described motor field frame linkage section are affixed on the motor field frame by gluing.
5. according to claim 1 or 2 or 3 or 4 described hand held electric tools, it is characterized in that: described vibration damping parts are on the linkage section that screw-like is distributed in motor field frame.
6. according to claim 1 or 2 or 3 or 4 described hand held electric tools, it is characterized in that: described vibration damping parts are on the linkage section that flute profile is arranged in motor field frame.
7. hand held electric tool according to claim 2 is characterized in that: also have other flexible glue part on the outer surface of described motor field frame, flexible glue part and vibration damping parts are to process by same quadric injection mould once.
8. hand held electric tool according to claim 2 is characterized in that: also have other flexible glue part on the outer surface of described motor field frame, flexible glue part and vibration damping parts are to process by non-same quadric injection mould once.
9. according to claim 1 or 2 or 3 or 4 described hand held electric tools, it is characterized in that: described hand held electric tool is the angle grinding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206283730U CN201989023U (en) | 2010-11-19 | 2010-11-19 | Handheld electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206283730U CN201989023U (en) | 2010-11-19 | 2010-11-19 | Handheld electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201989023U true CN201989023U (en) | 2011-09-28 |
Family
ID=44665525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206283730U Expired - Fee Related CN201989023U (en) | 2010-11-19 | 2010-11-19 | Handheld electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201989023U (en) |
-
2010
- 2010-11-19 CN CN2010206283730U patent/CN201989023U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang TCH Industrial Co., Ltd. Assignor: Hu Jining Contract record no.: 2013330000289 Denomination of utility model: Polishing plate for portable electric tool with dust suction device Granted publication date: 20110928 License type: Exclusive License Record date: 20130902 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20151119 |