CN204431005U - Sander - Google Patents
Sander Download PDFInfo
- Publication number
- CN204431005U CN204431005U CN201420833121.XU CN201420833121U CN204431005U CN 204431005 U CN204431005 U CN 204431005U CN 201420833121 U CN201420833121 U CN 201420833121U CN 204431005 U CN204431005 U CN 204431005U
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- CN
- China
- Prior art keywords
- base plate
- holder
- linking arm
- reinforcement
- trend
- 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 utility model discloses a kind of sander, it comprises housing; Motor, is arranged in housing; Output, is driven by motor; Base plate, is connected to output; Clamping device, is arranged on base plate, for installing frosted part to base plate; Clamping device comprises holder; Holder comprises for compressing the press keeping section of frosted part, the installation portion of connecting bottom board and being connected and installed the linking arm of portion and press keeping section; Linking arm is provided with the first reinforcement extended along linking arm bearing of trend.Sander of the present utility model can prevent frosted part from coming off.
Description
Technical field
The utility model relates to a kind of power tool, especially a kind of sander of hand-held.
Background technology
Sander is hand-held flat sanding machine comparatively conventional in Modern Wood industry, it is made high-speed track swing mainly through being loaded on sand paper on sander base plate or emery cloth, sanding operation is carried out to surfaces such as timber, metal, glass, plastics, is therefore widely used in the industries such as building decoration, Furniture manufacture, automobile, shipbuilding.Electric sander has the features such as easy to operate, safe and reliable.Use time it can save time, laborsaving, smooth surface can be obtained again.
But the frosted part of sander after used a period of time, due to the wearing and tearing of sand paper and the fatigue of holder, can cause the stiction between sand paper and base plate less, thus operationally sand paper may be caused to come off from base plate.
Therefore, the sander that a kind of improvement is provided is necessary, to solve the problem in fact.
Utility model content
The purpose of this utility model is to provide a kind of sander, can effectively prevent frosted part from coming off.
To achieve these goals, the technical scheme that the utility model is taked is as follows: a kind of sander, comprising: housing; Motor, is arranged in housing, output, is driven by motor; Base plate, is connected to output; Clamping device, is arranged on base plate, for installing frosted part to base plate; Clamping device comprises holder, and holder has latched position and unlocked position; When holder is positioned at latched position, frosted part is held on base plate by holder; When holder is positioned at unlocked position, holder is separated with base plate and frosted part can be discharged from base plate;
Wherein, holder comprises the press keeping section for compressing frosted part, the installation portion be connected with base plate and is connected and installed the linking arm of portion and press keeping section; Linking arm is provided with the first reinforcement, and the first reinforcement extends along linking arm bearing of trend.
Preferably, clamping device comprises holder, and holder has latched position and unlocked position; When holder is positioned at latched position, frosted part is held on base plate by holder; When holder is positioned at unlocked position, holder is separated with base plate and frosted part can be discharged from base plate; Holder comprises the press keeping section for compressing frosted part, the installation portion be connected with base plate and is connected and installed the linking arm of portion and press keeping section.
Preferably, linking arm is elastic component.
Preferably, linking arm is bending or bend, and direction that is bending or bending is the direction away from base plate.
Preferably, the first reinforcement is punching press muscle.
Preferably, the bearing of trend of press keeping section is perpendicular to the bearing of trend of linking arm.
Preferably, press keeping section is provided with the second reinforcement, and the bearing of trend of the second reinforcement is perpendicular to the bearing of trend of linking arm.
Preferably, installation portion is provided with the 3rd reinforcement; The bearing of trend of the 3rd reinforcement is perpendicular to the bearing of trend of linking arm.
Preferably, the 3rd reinforcement is crossing with the first reinforcement.
Preferably, clamping device also comprises the operating parts changed from latched position to off-position by holder, and operating parts is provided with for manually operated operating portion.
Preferably, operating parts is pivotally installed on base plate.
The beneficial effects of the utility model are: by arranging the first reinforcement on the linking arm of holder, the intensity of linking arm is strengthened, thus improve the chucking power of holder, stiction between frosted part and base plate is increased, in conjunction with more solid and reliable, the phenomenon that frosted part comes off therefore effectively can be prevented.
Accompanying drawing explanation
Fig. 1 be in the utility model one preferred embodiment sander in the generalized section of main apparent direction.
Fig. 2 is the schematic perspective view of the base plate of sander in Fig. 1.
Fig. 3 is the base plate of sander in Fig. 2 and the schematic perspective view of clamping device mated condition.
Fig. 4 is the schematic front view of the holder of clamping device in Fig. 3.
Fig. 5 is that schematic diagram is looked on the right side of holder in Fig. 4.
Fig. 6 is the schematic perspective view of the operating parts of clamping device in Fig. 3.
Related elements reference numeral in diagram is as follows:
1. housing 11. handle 2. motor
3. base plate 31. connecting hole 32. contact zone
33. installing zone 38. pivoted hole 39. pin joint seats
4. holder 41. press keeping section 42. linking arm
43. first reinforcement 44. second reinforcement 45. installation portions
46. installing holes 47. the 3rd reinforcement 5. operating parts
51. articulated section 52. protuberance 53. operating portions
6. base pad 7, flexible feet X. pivot axis
Detailed description of the invention
The technical problem solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with embodiment and accompanying drawing, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
For convenience of explanation, the utility model defines direction, operator grip sander work time operator just facing to direction be front.
Refer to Fig. 1, a kind of sander, it comprises housing 1, motor 2, output, base plate 3 and for installing the clamping device of frosted part on base plate 3.Wherein, motor 2 is arranged in housing 1, motor drive output; Base plate 3 is connected to output, motion under motor 2 drives.Clamping device is arranged on base plate 3.
Particularly, the rear end of housing 1 is formed with handle 11, and handle convenient operation person grips sander.
Particularly, output comprises eccentric stiffener, and motor drives eccentric stiffener, and eccentric stiffener drives base plate motion.The convert rotational motion of motor 2 is the track type movement of base plate 3 by eccentric stiffener.
Certainly, according to the position of motor and actual needs, transmission mechanism, reducing gear etc. can also be set between motor and eccentric stiffener.
In order to reduce the direct effect of base plate to workpiece, particularly, base pad 6 is fitted in the lower surface of base plate 3, and base pad can to base plate absorbing.
Composition graphs 1 is see Fig. 2, and the sander of the present embodiment is specially flat sanding machine, and its base plate 3 is roughly square, and can certainly be other shape.Connecting hole 31 is provided with, for connecting eccentric stiffener in the central region of base plate.
In the present embodiment, base plate 3 arranges flexible feet 7.Flexible feet can limit the rotation of base plate, and each point on base plate is rotated with identical speed.
Particularly, four flexible feets 7 are set at close four angular zones of base plate 3.The geometric center of the figure of four flexible feet line formation is positioned at the center of base plate 3; Certainly, due to the factor such as foozle of flexible feet, the geometric center of four flexible feets non-critical are positioned at the center of base plate 3, also may be positioned near base plate 3 center.Therefore, sander operationally, revolution, base plate is driven to rotate around the eccentricity of central axis of output by eccentric stiffener, and final under the restriction of four flexible feets, make base plate finally export the track-type swing of rule, namely revolution motion is made around motor drive shaft in base plate center.
Frosted part is removably connected on base plate by clamping device.During sander work, polishing sanding process is carried out on the surface that frosted part acts on workpiece under the drive of base plate.The frosted part of the present embodiment is specially sand paper, can also be emery cloth or polishing pad etc. certainly.
Particularly, the connected mode of sand paper and base plate is specially: the lower surface of base plate is fitted with base pad, under sand paper is placed at base pad, then the rear and front end of sand paper is walked around the rear and front end of base plate, and upwards go back on the upper surface of base plate, make the zone line tensioning of sand paper and be close to the bottom surface of base pad, now sand paper parcel base pad and semi-surrounding base plate.Then by clamping device, sand paper rear and front end is clamped in respectively the front and back end of the upper surface of base plate, thus sand paper is installed on base plate.
Base plate is provided with contact zone 32 and installing zone 33, and contact zone 32 is region base plate contacted with frosted part when frosted part is installed, and installing zone 33 is the region of base plate being installed flexible feet 7 and eccentric stiffener connection.
In order to make, sand paper is firm must be fixed on base plate, and at least part of contact zone is provided with the texture of increasing friction force.
Contact zone 32 comprises the plastic zone that frosted part is pressed in base plate by clamping device, and frosted part fits in the conformable region of base plate by self tensile force.
Particularly, conformable region is the two sides, front and back of base plate 3, plastic zone be the upper surface of base plate near the region of two sides, front and back, the also rear and front end of i.e. plate upper surface.
Installing zone 33 is adjacent with contact zone 32, between plastic zone, namely in the longitudinal direction, is positioned at the zone line of plate upper surface.
In the present embodiment, the plastic zone in contact zone 32 is provided with the texture of increasing friction force, can increase frictional force between base plate and sand paper like this, thus makes that sand paper is more firm must be fixed on base plate.
Certainly, also the texture of increasing friction force can be all provided with in contact zone.Frictional force between so further increase base plate and sand paper, makes sand paper fixedly secure on base plate.
The decorative pattern of texture general reference body surface herein or lines.Particularly, texture can be the one in spark line, solarization line, ball blast line, roll extrusion line.Fire texture, solarization line, ball blast line, roll extrusion line are texture known in those skilled in the art, do not repeat them here!
Certainly, texture does not limit to the contact zone of base plate, can be the texture being yet provided with increasing friction force at the installing zone of base plate yet.
Front and back end due to sand paper all needs to fix, and the clamping device of the present embodiment has two, respectively the corresponding rear and front end being arranged on plate upper surface.
See Fig. 3, clamping device comprises holder 4 and operating parts 5.Holder 4 is for clamping frosted part.
Particularly, holder has latched position and unlocked position; When holder is positioned at latched position, frosted part is held on base plate by holder; When holder is positioned at unlocked position, frosted part discharges from base plate by holder.
Composition graphs 3 is see Fig. 4 and Fig. 5, and holder 4 comprises for compressing the press keeping section 41 of frosted part, the installation portion 43 of connecting bottom board and being connected and installed the linking arm 42 of portion 43 and press keeping section 41.
Particularly, installation portion 43 is the stiff end of holder 4, and press keeping section 41 is the free end of holder 4.In the present embodiment, the two ends of installation portion 45 are provided with installing hole 46, for installation portion 45 is fixed on base plate 3.Adopt screw to be fixed on base plate by installation portion in the present embodiment, other fixed forms can certainly be selected to fix, such as, weld.
The effect of linking arm is for press keeping section provides chucking power.Further, linking arm is elastic deformation part, and namely linking arm under the effect of external force, elastic deformation can occur.Because installation portion is fixed on base plate, the elastic deformation of linking arm, thus the locus of its press keeping section connected can be made to change, thus the clamping realized sand paper or release.
Further, linking arm is for being bending or bending extension shape, and it bends or bending towards the direction away from base plate.Larger chucking power can be provided like this.
Further, the dihedral angle that linking arm is bent to form is preferably 120 ~ 150 degree.
In order to improve chucking power, linking arm 42 is provided with the first reinforcement 43.First reinforcement 43 protrudes the surface of linking arm 42, and the first reinforcement 43 extends along linking arm 42 bearing of trend, and namely the bearing of trend of the first reinforcement 43 is identical with the bearing of trend of linking arm 42.
In the present embodiment, the number of the first reinforcement is two.These two first reinforcements be arranged in parallel.
Particularly, the height of the protrusion linking arm of the first reinforcement is 0.5-1mm.
Particularly, the first reinforcement is punching press muscle, and namely when manufacturing holder, punching press forms pit on the connecting arm, thus forms the first reinforcement.Such manufacture craft is simple, can reduce the manufacturing cost of holder.Certainly, the first reinforcement can also be the reinforcement of other form.
In the present embodiment, holder 4 is roughly in I-shaped, and linking arm 42 is connected to the central region of press keeping section 41 and installation portion 43, and is approximately perpendicular to press keeping section 41 and installation portion 43.
Particularly, press keeping section extends along the bearing of trend being approximately perpendicular to linking arm.
In order to improve the life-span of holder further, being provided with at press keeping section 41 rigidity that second reinforcement 44, second reinforcement 44 can strengthen press keeping section, press keeping section can be made to bear larger clamping force, delay press keeping section distortion, increase the life-span of press keeping section.
The bearing of trend of the second reinforcement 44 is perpendicular to the bearing of trend of linking arm 42, also namely consistent with the bearing of trend of press keeping section.The life-span of press keeping section can be made like this to increase further.
In the present embodiment, the second reinforcement is also two, and is located along the same line, and is distributed in the two ends, left and right of press keeping section.
Second reinforcement is also punching press muscle, is convenient to like this manufacture.
In order to strengthen the intensity of installation portion, installation portion 45 is provided with the 3rd reinforcement 47 along extending perpendicular to linking arm bearing of trend; Namely the 3rd reinforcement 47 is perpendicular to the first reinforcement 43; Be parallel to the second reinforcement 44.In the present embodiment, the 3rd reinforcement 47 is simultaneously crossing with two the first reinforcements 43.
Particularly, the 3rd reinforcement 47 is also punching press muscle.
Particularly, holder 4 is formed in one.In the present embodiment, whole holder elastically deformable.
For the ease of manufacturing with the mechanical performance improving holder, the region arc transition that press keeping section 41 is connected with linking arm 42.
In the present embodiment, holder is that a sheet metal processes.Such punching press can form first, second, third reinforcement simultaneously.Manufacturing process is simple and fast more.
Particularly, the installation on holder and base plate is closed and is: installation portion is arranged near base plate center, and press keeping section is away from base plate center, namely arranges near bottom edge.That is, opposed bottom center, press keeping section is positioned at the outside of installation portion.Certainly, according to the difference of the concrete mounting means of frosted part, the position of installation portion and press keeping section is not limited to aforesaid way.
In the present embodiment, press keeping section extends along the width of base plate, and namely left and right directions extends.Linking arm extends along the length direction of base plate, and namely fore-and-aft direction extends.Installation portion also base plate width extend.
Holder, for operating holder 4, can be changed from latched position to off-position by operating parts 5.Operating parts is provided with for manually operated operating portion.
Particularly, composition graphs 3 is see Fig. 6, and operating parts 5 comprises articulated section 51, protuberance 52 and operating portion 53 successively.Articulated section 51 is positioned at the end of operating parts 5 and is articulated on base plate 3, and operating parts 5 can opposed bottom pivotable, and the pivot axis X of operating parts 5 extends in left-right direction.
See Fig. 2, particularly, base plate 3 is provided with pin joint seat 39, is provided with pivoted hole 38 in the side of pin joint seat 39, articulated section 51 is inserted in pivoted hole 38.
The effect of protuberance 52 is when operating parts 5 pivotable, selectively makes the linking arm 42 of holder 4 away from base plate or close, and further linking arm drives clamping plate compress base plate or leave base plate.Protuberance 52 is positioned at the below of the linking arm 42 of holder 4.
Particularly, protuberance 52 outwards bends from the pivot axis of operating parts 5 and forms bow-shaped structural.Can certainly be other forms, such as cam.
Protuberance 52 has locked.When protuberance 52 is positioned at latched position, now protuberance 52 is near base plate 3, does not contact with linking arm 42, and then linking arm 42 generation effect; When protuberance 52 is positioned at unlocked position, the front end of protuberance 52 erects and upwards extrudes linking arm 42, is upwards pushed up by linking arm 42, makes linking arm 42 away from base plate 3.
The position that operating portion 53 operates for operator.When operating portion 53 is towards when rotating away from base plate direction, lug boss 52 is driven to be rotated to unlocked position by latched position.When operating portion 53 rotates near base plate direction, lug boss 52 is driven to be rotated to latched position by unlocked position.
For the ease of operator's operation, the operating parts 5 of the present embodiment is roughly in folding shape.Articulated section 51 and protruding parts are on the foldable edge extended along left and right, and operating position is on the foldable edge extended along front and back.
For the ease of making, the operating parts of the present embodiment is that a steel pole bending forms.
In order to further convenient operation person operation, be also provided with the circular groove of convenient operation part rotation at the upper surface of base plate.
Below the operating principle of operating parts is described:
When operating portion 53 is towards when rotating away from base plate direction, operating portion 53 drives lug boss 52 to be rotated to unlocked position by latched position, protuberance 52 extrudes the linking arm 42 of holder 4, there is elastic deformation and move up in linking arm 42, now press keeping section 41 is under the drive of linking arm 42, leave base plate 3, remove the chucking power to sand paper, thus sand paper can be made to take off replacing.When operating portion 53 rotates near base plate direction, lug boss 52 is driven to be rotated to latched position by unlocked position, protuberance 52 is separated with linking arm 42, linking arm 42 moves down under the effect of self chucking power, now press keeping section 41 is under the drive of linking arm 42, compress base plate 3, thus sand paper can be made to be fixed on base plate.
Certainly, operating parts does not limit to said structure, other can also not realize the structure to holder operation.Can not also establish operating parts, the linking arm pull-up of holder is directly realized press keeping section and is separated with base plate and changes sand paper by operator.
During flat sanding machine work, the frosted part on base plate acts on surface of the work, can produce dirt bits.Consider to be worth doing to prevent dirt and splash, the bottom surface of the base plate of the present embodiment is provided with dirt bits groove, dirt can not certainly be established to consider groove to be worth doing.
Particularly, dirt bits groove can rule or irregularly to extend on base plate, thus the dirt bits produced when can collect base plate work as far as possible efficiently.Control of dust passage can also be provided with in the rear end of housing.One end and the dirt of control of dust passage are considered groove to be worth doing and are communicated with, and the other end of control of dust passage is provided with dust collecting opening, and dust collecting opening is used for connecting with dust exhaust apparatus.During sander work, dust exhaust apparatus be coupled to dust collecting opening and open dust exhaust apparatus, in control of dust passage, forming negative pressure.Carry the air of dirt bits, enter control of dust passage by the dirt bits groove of base plate, thus realize control of dust.
The utility model is not limited to the embodiment in previous embodiment; those skilled in the art also may make other and change under the enlightenment of the utility model technical spirit, as long as but its function realized and the utility model is same or similar all should be covered by the utility model protection domain.
Claims (10)
1. a sander, comprising:
Housing;
Motor, is arranged in described housing,
Output, is driven by described motor;
Base plate, is connected to described output;
Clamping device, is arranged on described base plate, for installing frosted part to described base plate;
Described clamping device comprises holder, and described holder has latched position and unlocked position; When holder is positioned at latched position, frosted part is held on base plate by holder; When holder is positioned at unlocked position, holder is separated with base plate and frosted part can be discharged from described base plate;
It is characterized in that: described holder comprises the press keeping section for compressing frosted part, the installation portion be connected with base plate and connects the linking arm of described installation portion and described press keeping section; Described linking arm is provided with the first reinforcement, and described first reinforcement extends along described linking arm bearing of trend.
2. sander according to claim 1, is characterized in that: described linking arm is elastic component.
3. sander according to claim 1, is characterized in that: described linking arm is bending or bend, and direction that is bending or bending is the direction away from base plate.
4. sander according to claim 1, is characterized in that: described first reinforcement is punching press muscle.
5. sander according to claim 1, is characterized in that: the bearing of trend of described press keeping section is perpendicular to the bearing of trend of described linking arm.
6. sander according to claim 5, is characterized in that: described press keeping section is provided with the second reinforcement, and the bearing of trend of described second reinforcement is perpendicular to the bearing of trend of described linking arm.
7. sander according to claim 1, is characterized in that: described installation portion is provided with the 3rd reinforcement; The bearing of trend of described 3rd reinforcement is perpendicular to the bearing of trend of described linking arm.
8. sander according to claim 7, is characterized in that: described 3rd reinforcement is crossing with the first reinforcement.
9. sander according to claim 1, is characterized in that: described clamping device also comprises the operating parts changed from latched position to off-position by holder, and described operating parts is provided with for manually operated operating portion.
10. sander according to claim 9, is characterized in that: described operating parts is pivotally installed on base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833121.XU CN204431005U (en) | 2014-12-24 | 2014-12-24 | Sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420833121.XU CN204431005U (en) | 2014-12-24 | 2014-12-24 | Sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204431005U true CN204431005U (en) | 2015-07-01 |
Family
ID=53598923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420833121.XU Expired - Fee Related CN204431005U (en) | 2014-12-24 | 2014-12-24 | Sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204431005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030574A (en) * | 2016-02-04 | 2017-08-11 | 南京德朔实业有限公司 | Sander and the support member suitable for sander |
-
2014
- 2014-12-24 CN CN201420833121.XU patent/CN204431005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030574A (en) * | 2016-02-04 | 2017-08-11 | 南京德朔实业有限公司 | Sander and the support member suitable for sander |
| CN107030574B (en) * | 2016-02-04 | 2024-01-19 | 南京泉峰科技有限公司 | Sanding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20201224 |