CN204295448U - The handpiece structure of wall surface grinding machine - Google Patents
The handpiece structure of wall surface grinding machine Download PDFInfo
- Publication number
- CN204295448U CN204295448U CN201420581338.6U CN201420581338U CN204295448U CN 204295448 U CN204295448 U CN 204295448U CN 201420581338 U CN201420581338 U CN 201420581338U CN 204295448 U CN204295448 U CN 204295448U
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- wall surface
- main body
- led
- grinding machine
- retaining ring
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000001360 synchronised effect Effects 0.000 claims abstract description 30
- 239000000428 dust Substances 0.000 claims abstract description 10
- 229910000861 Mg alloy Inorganic materials 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229920006351 engineering plastic Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 abstract description 4
- 210000003128 head Anatomy 0.000 description 17
- 238000005498 polishing Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229920006834 PC+ABS Polymers 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
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- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The utility model belongs to wall surface grinding machine technical field, refer in particular to a kind of handpiece structure of wall surface grinding machine, comprise protecting cover, be arranged on Transmission Room on protecting cover and drive motors, described drive motors is brshless DC motor, brshless DC motor is arranged on Transmission Room, be provided with reduction gearing mechanism in Transmission Room, the motor shaft of brshless DC motor to stretch in Transmission Room and drives reduction gearing mechanism, the output shaft band movable grinding disc assembly of transmission mechanism.The motor shaft of brshless DC motor is by reduction gearing mechanism band movable grinding disc assembly, and its structure is simple, and transmission efficiency is high, and noise is little, long service life, is easy to safeguard; Reduction gearing mechanism is synchronous pulley mechanism, and it can adapt to the harsh environments of sander, does not fear dust; Transmission Room is magnesium alloy part, and protecting cover is ABS plastic product, and this design makes the overall weight of head comparatively light, easy to use.
Description
Technical field
The utility model belongs to wall surface grinding machine technical field, refers in particular to a kind of handpiece structure of wall surface grinding machine.
Background technology
Whitewashing, lay paint on the wall or paste wallpaper before, polish to wall and clean, wall surface grinding machine is widely used as a ripe technology.In prior art, the drive motors of head all adopts brush motor, drive motors is comparatively complicated to the transmission mechanism of output shaft, the protection requirements of transmission mechanism to dust is higher (in bruting process, a large amount of dusts can be produced), cost is comparatively large, and service life is general, noise is large, is not easy to safeguard;
In addition, whether people, in the process of polishing, need to go to observe metope with eyes and polish flat; In order to the flatness enabling the eyes of people observe metope easily, often add illuminating lamp on the downside of the handle of existing wall surface grinding machine, during sander work, the light irradiation of illuminating lamp is on metope, and auxiliary people observe.But even if use illuminating lamp to carry out auxiliary observation, eyes still can not observe the concavo-convex of metope easily, cause polishing effect not fully up to expectations, and the power of illuminating lamp is 1000w, it is commonly called as Sunny, and energy consumption is higher.
And wall surface grinding machine generally can only be used for metope of polishing, and roof of can not polishing, its reason is: during polishing roof, operating grip can be kept perpendicular to mill unless mill is level operator, is difficult to keep balance.
Summary of the invention
It is simple that the purpose of this utility model is to provide a kind of structure, and safe and reliable, noise is little, is easy to the handpiece structure of the wall surface grinding machine safeguarded.
The purpose of this utility model is achieved in that
The handpiece structure of wall surface grinding machine, comprise protecting cover, be arranged on Transmission Room on protecting cover and drive motors, described drive motors is brshless DC motor, brshless DC motor is arranged on Transmission Room, reduction gearing mechanism is provided with in Transmission Room, the motor shaft of brshless DC motor to stretch in Transmission Room and drives reduction gearing mechanism, the output shaft band movable grinding disc assembly of transmission mechanism.
Preferably, described reduction gearing mechanism comprises the first synchronous pulley and the second synchronous pulley, is connected between the first synchronous pulley and the second synchronous pulley by Timing Belt; First synchronous pulley is arranged on described motor shaft, and the second synchronous pulley is arranged on described output shaft; The diameter of diameter < second synchronous pulley of the first synchronous pulley; Described brshless DC motor is vertically arranged on Transmission Room, and its motor shaft vertical stretches into downwards in Transmission Room.
Preferably, described Transmission Room is magnesium alloy part, and described protecting cover is ABS Engineering Plastics Parts (PC+ABS).
Preferably, described protecting cover is provided with lamp strip assembly, described lamp strip assembly comprises LED and lampshade; All sides of protecting cover are provided with described LED, and lamp cover to be located in LED and to stop dust to contact LED, and the light that LED sends is through lampshade and be radiated on the metope of protecting cover week side.
Preferably, all sides of described protecting cover form mounting groove, and described LED is arranged in mounting groove, and lamp cover is combined on mounting groove.
Preferably, described protecting cover comprises boot main body and side retaining ring, and boot main body is connected by connector with side retaining ring; Described boot main body and side retaining ring coordinate the mounting groove formed consistent with the cross section of C shape steel; The upper groove surface of mounting groove is arranged in boot main body, and the lower groove face of mounting groove is arranged on the retaining ring of side.
Preferably, described lampshade forms several condenser lenses, condenser lens quantity is identical with the LED quantity in LED; Described condenser lens is internal face is plane, and outside wall surface is the planoconvex spotlight of evagination.
Preferably, the downside of described boot main body is provided with metallic channel, and the wire that LED is drawn is communicated to electric-controlled box on the upside of boot main body by metallic channel.
Preferably, side retaining ring is arranged in boot main body, and rotates under power effect that can be certain; Described side retaining ring comprises side retaining ring main body and the detachable arc cover being arranged on retaining ring main body side, side.
Preferably, be provided with the hairbrush body of major arc shape, be provided with the hairbrush body of minor arc shape on the downside of arc cover on the downside of the retaining ring main body of described side, the hairbrush body of major arc shape and the hairbrush body of minor arc shape are butted into complete hairbrush ring.
Preferably, described side retaining ring main surface is provided with inner baffle ring to the side of described arc cover, and inner baffle ring approaches the polishing pad in protecting cover.
Preferably, the left and right bearing pin of head is connected with the front fork of front hand grip; In described left and right bearing pin, at least one bearing pin is provided with torsion spring, the base sleeve of torsion spring is contained on bearing pin, the end inside pedestal and pinned connection; End outside pedestal extends to form snap fit, and snap fit can catch on described front fork and head is flipped an angle, and described bearing pin outer end is provided with the stopping device preventing torsion spring from exiting bearing pin.
Preferably, the hook arm of described snap fit is provided with the ear handle being convenient to move snap fit; Described ear handle be hook arm circumnutate formed more than one coil loop.
Preferably, the end inside described pedestal and the concrete structure of pinned connection are: the outer end of bearing pin forms caulking groove, and when base sleeve is contained in bearing pin, the end inside pedestal to embed in described caulking groove and stops pedestal to rotate.
The utility model gives prominence to compared to existing technology and useful technique effect is:
Drive motors of the present utility model is DC brushless motor, and the motor shaft of brshless DC motor is by reduction gearing mechanism band movable grinding disc assembly, and its structure is simple, and transmission efficiency is high, and noise is little, long service life, is easy to safeguard; Reduction gearing mechanism is synchronous pulley mechanism, and it can adapt to the harsh environments of sander, does not fear dust; Transmission Room is magnesium alloy part, and protecting cover is ABS plastic product, and this design makes the overall weight of head comparatively light, easy to use;
LED of the present utility model is arranged on protecting cover, compare existing illuminating lamp (being arranged on the downside in the middle part of operating grip) design, the light that LED sends arrives the eyes of people after metope reflection, position and the eye position of LED more meet optical design, make the eyes of people more easy, observe the flatness of protecting cover week side wall more accurately, also more energy-conservation;
Protecting cover week of the present utility model, side formed the mounting groove of C shape, and LED is arranged in mounting groove, and lamp cover is combined on mounting groove, and protection LED is disturbed from dust;
The upper groove surface of mounting groove of the present utility model is arranged in boot main body, and the lower groove face of mounting groove is arranged on the retaining ring of side, after this design makes boot main body be separated with side retaining ring, very easily LED and lampshade can be loaded mounting groove;
Lampshade of the present utility model forms several condenser lenses, condenser lens quantity is identical with the LED quantity in LED; Described condenser lens is internal face is plane, and outside wall surface is the planoconvex spotlight of evagination, and the light focusing that this design makes LED send is on metope, and the observing effect of degree of plainness for wall surface is better;
End outside pedestal of the present utility model extends to form snap fit, and snap fit can catch on described front fork and head is flipped an angle, and torsion spring is arranged on bearing pin, its good concealment, degree of not affecting the appearance, and is easy to safeguard; The cost of torsion spring is also relatively low, long service life;
The hook arm of snap fit of the present utility model is provided with the ear handle being convenient to move snap fit, and ear handle hooks arm to circumnutate the more than one coil loop formed, and this design makes operator very facilitate and is linked into by snap fit or deviates from front fork easily, easy and simple to handle;
Side of the present utility model retaining ring is arranged in boot main body, and rotates under power effect that can be certain; Described side retaining ring comprises side retaining ring main body and the detachable arc cover being arranged on retaining ring main body side, side; Under dismounting during arc cover, polishing pad more close to wall inner corner trim, thus conveniently can be polished; Meanwhile, rotatable side retaining ring makes polishing pad adapt to the inner corner trim in not direction.
Accompanying drawing explanation
Fig. 1 is one of schematic diagram of embodiment 1 of the present utility model.
Fig. 2 is the schematic diagram two (Transmission Room bottom is not shown) of embodiment 1 of the present utility model.
Fig. 3 is the schematic diagram of embodiment 2 of the present utility model.
Fig. 4 is one of protecting cover schematic diagram of embodiment 2 of the present utility model.
Fig. 5 is the C place enlarged drawing of Fig. 4.
Fig. 6 is the protecting cover schematic diagram two of embodiment 2 of the present utility model.
Fig. 7 is the B place enlarged drawing of Fig. 6.
Fig. 8 is the protecting cover schematic diagram three of embodiment 2 of the present utility model.
Fig. 9 is the schematic diagram that embodiment 3 of the present utility model does not use torsion spring.
Figure 10 is the A place enlarged drawing of Fig. 7.
Figure 11 is the schematic diagram that embodiment 3 of the present utility model uses torsion spring.
Figure 12 is the B place enlarged drawing of Fig. 9.
Figure 13 is the torsion spring schematic diagram of embodiment 3 of the present utility model.
In figure: 10-head; 11-front hand grip; 12-brshless DC motor; 13-Transmission Room; 14-protecting cover; 15-output shaft; 16-second synchronous pulley; 17-first synchronous pulley;
Fork before 21-; 31-electric-controlled box; 32-lampshade; 33-LED light bar; 34-LED lamp; 35-condenser lens; 36-metallic channel; 37-mounting groove; 38-boot main body; 39-side retaining ring; 40-boot main body; 41-arc cover; The hairbrush body of 42-minor arc shape; The hairbrush body of 43-minor arc shape; 44-draw-in groove I; 45-draw-in groove II; 46-blocks block; 47-snap fit I; 48-snap fit II; 49-snap fit III; 50-polishing pad; 51-connector; The hairbrush body mounting groove of 52-major arc shape; The hairbrush body mounting groove of 53-minor arc shape; 54-inner baffle ring;
The right bearing pin of 22-; 23-movable sleeve; 24-front fork cover; 25-pedestal; 26-snap fit; 27-ear handle; 28-caulking groove; 29-annular groove; End inside 201-pedestal; 202-axis.
Detailed description of the invention
The utility model is further described with specific embodiment below in conjunction with accompanying drawing:
Embodiment 1, as shown in Figure 1-2, the handpiece structure of wall surface grinding machine, comprise protecting cover 14, be arranged on Transmission Room 13 on protecting cover 14 and drive motors, described drive motors is brshless DC motor 12, and brshless DC motor 12 is arranged on Transmission Room 13, is provided with reduction gearing mechanism in Transmission Room 13, the motor shaft of brshless DC motor 14 to stretch in Transmission Room and drives reduction gearing mechanism, and the output shaft 15 of transmission mechanism is with movable grinding disc assembly (not shown).In Fig. 2, the bottom of Transmission Room is for drawing, and all sides of bottom are connected with Transmission Room upper cover by bolt.
Preferably, described reduction gearing mechanism is comprised the first synchronous pulley 17 and is connected by Timing Belt (not shown) between the second synchronous pulley 16, first synchronous pulley 17 and the second synchronous pulley 16; First synchronous pulley 17 is arranged on described motor shaft, and the second synchronous pulley 16 is arranged on described output shaft 15; The diameter of diameter < second synchronous pulley of the first synchronous pulley, thus realize slowing down; Described brshless DC motor is vertically arranged on Transmission Room, and its motor shaft vertical stretches into downwards in Transmission Room.The motor shaft of brshless DC motor is by synchronous pulley mechanism band movable grinding disc assembly, and its structure is simple, and transmission efficiency is high, and noise is little, long service life, is easy to safeguard; Synchronous pulley mechanism can adapt to the harsh environments of sander, does not fear dust.
Preferably, described Transmission Room 13 is magnesium alloy part, and described protecting cover 14 is ABS Engineering Plastics Parts (PC+ABS; Engineering plastic alloy), this design makes the overall weight of head comparatively light, easy to use.
Embodiment 2, as seen in figures 3-6, the present embodiment carries out improving obtaining on the basis of embodiment 1, and wherein, the protecting cover 14 of head is provided with lamp strip assembly, described lamp strip assembly comprises LED 33 and lampshade 32; All sides of protecting cover 14 are provided with described LED 33, and lampshade 32 covers and is located in LED 33 and stops dust to contact LED 33, and the light that LED 33 sends passes lampshade 32 and is radiated on the metope of protecting cover 14 weeks sides.LED of the present utility model is arranged on protecting cover, compare existing illuminating lamp (being arranged on the downside in the middle part of operating grip) design, the light that LED sends arrives the eyes of people after metope reflection, position and the eye position of LED more meet optical design, make the eyes of people more easy, observe the flatness of protecting cover week side wall more accurately.
Need point out, the design is not only applicable to circular sander head, is also applicable to the head of other shapes such as ellipse, triangle, and in the present embodiment, sander head is circular, and LED is coiled into ring-type.
Preferably, all sides of described protecting cover 14 form mounting groove 37, and described LED 33 is arranged in mounting groove 37, and lampshade 32 covers on mounting groove 37, and protection LED is disturbed from dust.
Preferably, described protecting cover 14 comprises boot main body 38 and side retaining ring 39, and boot main body 38 is connected by connector 51 with side retaining ring 39; Described boot main body 38 and side retaining ring 39 coordinate the mounting groove 37 formed consistent with the cross section of C shape steel; The upper groove surface of mounting groove 37 is arranged in boot main body 38, and the lower groove face of mounting groove is arranged on side retaining ring 39, after this design makes boot main body be separated with side retaining ring, very easily LED and lampshade can be loaded mounting groove.Mounting groove 37 is consistent with the cross section of C shape steel, and the lower edge of lampshade 32 forms in-flanges, forms one and surrounds structure, effectively can completely cut off dust.When lamp strip assembly and lampshade 32 are installed, boot main body 38 and side retaining ring 39 must be separated, then lamp strip assembly and lampshade 32 are inserted the mounting groove 37 in boot main body 38, then cover side retaining ring 39 and make mounting groove 37 complete.
Preferably, described lampshade 32 forms several condenser lenses 35, (this one_to_one corresponding can be condenser lens 35 quantity and one_to_one corresponding identical with LED 34 quantity in LED: the center line of LED 34 overlaps with the center line of condenser lens 35; Described condenser lens 35 for internal face be plane, outside wall surface is the planoconvex spotlight of evagination, and the light focusing that this design makes LED send is on metope, and the observing effect of degree of plainness for wall surface is better.Improve as one, the light that condenser lens 35 can be designed to LED to be sent focuses on metope, the similar dipped headlights effect with automobile front.
Preferably, the downside of described boot main body 38 is provided with metallic channel 36, and the wire that LED is drawn is communicated to electric-controlled box 31 on the upside of boot main body by metallic channel.Electric-controlled box 31 also can be arranged on operating grip (operating grip comprises the pull end in Fig. 1), is provided with transforming circuit in electric-controlled box 31, civil power is converted to the 12V voltage (constant voltage, constant current) needed for LED.Electric-controlled box 31 is communicated with the power line on operating grip.
Preferably, described side retaining ring is arranged in boot main body, and rotates under power effect that can be certain; Described side retaining ring comprises side retaining ring main body and the detachable arc cover being arranged on retaining ring main body side, side.Under dismounting during arc cover, polishing pad more close to wall inner corner trim, thus conveniently can be polished; Meanwhile, rotatable side retaining ring makes polishing pad adapt to the inner corner trim in not direction.The detachable structure of the rotatable structure of side retaining ring and boot main body, side retaining ring main body and arc cover is the common practise of those skilled in the art; In the present embodiment, connector 51 is screwed in boot main body 38, and connector 51 holds side retaining ring 39; Side retaining ring main body and arc cover are connected by snap fit and draw-in groove and are integrated, and the cooperation of snap fit III 49 and draw-in groove I 44 is only shown in figure, and snap fit II 48 coordinates with draw-in groove II 45.
Preferably, be provided with the hairbrush body of major arc shape, be provided with the hairbrush body of minor arc shape on the downside of arc cover on the downside of the retaining ring main body of described side, the hairbrush body of major arc shape and the hairbrush body of minor arc shape are butted into complete hairbrush ring.The common practise that hairbrush body is also those skilled in the art is installed on the downside of protecting cover.
Preferably, described side retaining ring main surface is provided with inner baffle ring to the side of described arc cover, and inner baffle ring approaches the polishing pad in protecting cover.Inner baffle ring can, when polishing metope inner corner trim, avoid the side of polishing pad to scrape poor metope.
Embodiment 3, as illustrated in figures 7-11, the present embodiment carries out improving obtaining on the basis of embodiment 1, wherein, a left side for head 10, right bearing pin is connected (although in figure with the front fork 21 of front hand grip 11, the cooperation of front fork 21 and right bearing pin 22 is only shown, naturally, front fork 21 adopts identical structure with the cooperation of left bearing pin), a described left side, in right bearing pin, at least one bearing pin is provided with torsion spring, in the present embodiment, only torsion spring is set on right bearing pin 22, the pedestal 25 of torsion spring is sleeved on right bearing pin 22, end 201 inside pedestal is connected with right bearing pin 22.End outside pedestal 25 extends to form snap fit 26, snap fit 26 can catch on described front fork 21 and make head 14 flip an angle (in the present embodiment, when vertically lifting operating grip, torsion spring makes the mill maintenance level of head, this angle is directly related with the elastic force of torsion spring), described right bearing pin 22 outer end is provided with the stopping device preventing torsion spring from exiting right bearing pin 22.Torsion spring is arranged on right bearing pin, its good concealment, degree of not affecting the appearance, and is easy to safeguard; The cost of torsion spring is also relatively low, long service life.Torsion spring can balance the focus of work of head effectively, uniform force when making to polish ceiling, more laborsaving during operation, improves operating personnel's comfortableness.
Preferably, the hook arm of described 26 snap fits is provided with the ear handle 27 being convenient to move snap fit; Ear handle 27 hooks arm to circumnutate the more than one coil loop formed, and this design makes operator very facilitate and is linked into by snap fit or deviates from front fork easily, easy and simple to handle.
Preferably, the concrete structure that the end inside described pedestal is connected with right bearing pin 22 is: the outer end of right bearing pin forms caulking groove 28, and when pedestal 25 is sleeved on bearing pin, the end 201 inside pedestal to embed in described caulking groove 28 and stops pedestal 25 to rotate.
Preferably, described stopping device is: the outer end of bearing pin is provided with annular groove 29, is provided with jump ring (not shown) in annular groove; Or described stopping device is: the outer end of bearing pin is provided with bayonet lock, this stopping device belongs to the common practise of those skilled in the art, no longer describes in detail.
The remainder of head of the present utility model adopts prior art, such as, and front fork 21, left and right bearing pin, cooperation between movable sleeve 23 and axis 202, thus the various dimensions realizing head rotate, it is prior art, therefore is not described in detail.
It should be noted that, embodiment 1,2,3 is combined in a generation between two, also can three be incorporated on identical product, there is difference in the head profile in each embodiment, but it can't be understood this technology to those skilled in the art and cause any puzzlement.
Above-described embodiment is only preferred embodiment of the present utility model, not limits protection domain of the present utility model according to this, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by within protection domain of the present utility model.
Claims (10)
1. the handpiece structure of wall surface grinding machine, comprise protecting cover, be arranged on Transmission Room on protecting cover and drive motors, it is characterized in that, described drive motors is brshless DC motor, brshless DC motor is arranged on Transmission Room, be provided with reduction gearing mechanism in Transmission Room, the motor shaft of brshless DC motor to stretch in Transmission Room and drives reduction gearing mechanism, the output shaft band movable grinding disc assembly of transmission mechanism.
2. the handpiece structure of wall surface grinding machine according to claim 1, is characterized in that, described reduction gearing mechanism comprises the first synchronous pulley and the second synchronous pulley, is connected between the first synchronous pulley and the second synchronous pulley by Timing Belt; First synchronous pulley is arranged on described motor shaft, and the second synchronous pulley is arranged on described output shaft; The diameter of diameter < second synchronous pulley of the first synchronous pulley; Described brshless DC motor is vertically arranged on Transmission Room, and its motor shaft vertical stretches into downwards in Transmission Room.
3. the handpiece structure of wall surface grinding machine according to claim 1, is characterized in that, described Transmission Room is magnesium alloy part, and described protecting cover is ABS Engineering Plastics Parts.
4. the handpiece structure of wall surface grinding machine according to claim 1, is characterized in that, described protecting cover is provided with lamp strip assembly, and described lamp strip assembly comprises LED and lampshade; All sides of protecting cover are provided with described LED, and lamp cover to be located in LED and to stop dust to contact LED, and the light that LED sends is through lampshade and be radiated on the metope of protecting cover week side.
5. the handpiece structure of wall surface grinding machine according to claim 4, is characterized in that, all sides of described protecting cover form mounting groove, and described LED is arranged in mounting groove, and lamp cover is combined on mounting groove.
6. the handpiece structure of wall surface grinding machine according to claim 4, is characterized in that, described protecting cover comprises boot main body and side retaining ring, and boot main body is connected by connector with side retaining ring; Described boot main body and side retaining ring coordinate the mounting groove formed consistent with the cross section of C shape steel; The upper groove surface of mounting groove is arranged in boot main body, and the lower groove face of mounting groove is arranged on the retaining ring of side.
7. the handpiece structure of wall surface grinding machine according to claim 4, is characterized in that, described lampshade forms several condenser lenses, and condenser lens quantity is identical with the LED quantity in LED; Described condenser lens is internal face is plane, and outside wall surface is the planoconvex spotlight of evagination.
8. the handpiece structure of wall surface grinding machine according to claim 4, is characterized in that, the downside of described boot main body is provided with metallic channel, and the wire that LED is drawn is communicated to electric-controlled box on the upside of boot main body by metallic channel.
9. the handpiece structure of wall surface grinding machine according to claim 6, is characterized in that, described side retaining ring is arranged in boot main body, and rotates under power effect that can be certain; Described side retaining ring comprises side retaining ring main body and the detachable arc cover being arranged on retaining ring main body side, side; Be provided with the hairbrush body of major arc shape on the downside of the retaining ring main body of side, be provided with the hairbrush body of minor arc shape on the downside of arc cover, the hairbrush body of major arc shape and the hairbrush body of minor arc shape are butted into complete hairbrush ring.
10. the handpiece structure of wall surface grinding machine according to claim 1, is characterized in that, the left and right bearing pin of head is connected with the front fork of front hand grip; In described left and right bearing pin, at least one bearing pin is provided with torsion spring, the base sleeve of torsion spring is contained on bearing pin, the end inside pedestal and pinned connection; End outside pedestal extends to form snap fit, and snap fit can catch on described front fork and head is flipped an angle, and described bearing pin outer end is provided with the stopping device preventing torsion spring from exiting bearing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581338.6U CN204295448U (en) | 2014-10-09 | 2014-10-09 | The handpiece structure of wall surface grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581338.6U CN204295448U (en) | 2014-10-09 | 2014-10-09 | The handpiece structure of wall surface grinding machine |
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| Publication Number | Publication Date |
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| CN204295448U true CN204295448U (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420581338.6U Expired - Fee Related CN204295448U (en) | 2014-10-09 | 2014-10-09 | The handpiece structure of wall surface grinding machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308682A (en) * | 2014-10-09 | 2015-01-28 | 傅月华 | Machine head structure of wall surface grinding machine |
| CN109202676A (en) * | 2018-10-12 | 2019-01-15 | 旌德县安德力磨具有限公司 | A kind of grinder for polishing of high efficiency |
-
2014
- 2014-10-09 CN CN201420581338.6U patent/CN204295448U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308682A (en) * | 2014-10-09 | 2015-01-28 | 傅月华 | Machine head structure of wall surface grinding machine |
| CN104308682B (en) * | 2014-10-09 | 2017-10-20 | 傅月华 | The handpiece structure of wall surface grinding machine |
| CN109202676A (en) * | 2018-10-12 | 2019-01-15 | 旌德县安德力磨具有限公司 | A kind of grinder for polishing of high efficiency |
| CN109202676B (en) * | 2018-10-12 | 2020-11-24 | 旌德县安德力磨具有限公司 | New-type efficient polishing polisher |
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