CN102699798B - Hand-held electric belt sander - Google Patents
Hand-held electric belt sander Download PDFInfo
- Publication number
- CN102699798B CN102699798B CN201210206868.8A CN201210206868A CN102699798B CN 102699798 B CN102699798 B CN 102699798B CN 201210206868 A CN201210206868 A CN 201210206868A CN 102699798 B CN102699798 B CN 102699798B
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- CN
- China
- Prior art keywords
- mounting bracket
- head capsule
- abrasive band
- output shaft
- sliding shoe
- 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 invention provides a hand-held electric belt sander, which comprises a machine body part and a sanding belt installing part, wherein the machine body part comprises a machine case, a head case and a head case cover, the head case cover is provided with a first round connecting opening, two projected and mutually separated leaf springs are fixedly arranged on the outer circumferential wall of the first round connecting opening, the sanding belt installing part comprises a sanding belt, an installing support frame and a regulating rod, the regulating rod is arranged on the installing support frame, the installing support frame is provided with a second round connecting opening, the first round connecting opening is rotatablely inserted and connected into the second round connecting opening, in addition, the inner wall of the second round connecting opening is provided with a groove, when the installing support frame rotates relative to the head case cover, the two leaf springs can alternately fall into the groove, the installing support frame and the head case cover can be fixedly connected through a locking screw, and the sanding belt is arranged on the regulating rod and an output shaft. The sanding belt installing part of the hand-held electric belt sander can realize the rotating regulation relative to the machine body part, the sanding operation in a narrow work region is convenient, and in addition, the sanding on the groove and the inner hole can be conveniently realized.
Description
Technical field
The present invention relates to a kind of belt sander, particularly relate to a kind of Hand-held electric belt sander.
Background technology
Hand-held electric belt sander is used for carrying out sand milling to the surface such as timber, metal material.Existing Hand-held electric belt sander comprises body portion and abrasive band installation portion, be fixedly connected with between body portion and abrasive band installation portion, body portion is provided with motor, abrasive band installation portion is provided with the abrasive band for carrying out sand milling, because abrasive band installation portion can not rotate relative to body portion, therefore can only be applicable to process more spacious place, place, and can not process and only only have several centimetres of dark grooves and endoporus, use inconvenience.
Summary of the invention
The technical problem that the present invention solves is: provide a kind of Hand-held electric belt sander, can carry out sand milling easily to groove and endoporus.
Technical scheme of the present invention is: a kind of Hand-held electric belt sander, it is characterized in that, comprise body portion and abrasive band installation portion, wherein, described body portion comprises casing, head capsule and head capsule lid, described head capsule is connected between described casing and described head capsule lid, in described casing, motor is installed, the tip of the axis that turns of this motor extend in described head capsule, and turn the tip of the axis drive bevel gear is installed, by bearing, output shaft is installed in described head capsule lid, the axial line of this output shaft and the axial line of described rotating shaft perpendicular, the top of output shaft to extend in described head capsule and is provided with the driven wheel of differential be meshed with described drive bevel gear, head capsule lid is extended in the bottom of output shaft, described head capsule lid has the first circular connector, the outer circle wall of this first circular connector is fixed with two spaced snap sheets of protrusion, the adjusting rod that described abrasive band installation portion comprises abrasive band, mounting bracket and is arranged on described mounting bracket, described mounting bracket has the second circular connector, first circular interface is rotating to be plugged in the second circular interface, and the inwall of the second circular interface is provided with a groove, when mounting bracket rotates relative to head capsule lid, described two spring leafs alternately fall into described groove, and described mounting bracket and described head capsule lid can be connected and fixed by a lock-screw, described abrasive band is arranged on adjusting rod and output shaft.
Described two snap sheets are positioned at circumferentially same, and the central angle that two snap sheet place circular arc lines are corresponding is α, 40 °≤α≤60 °.
Central angle alpha=50 ° that two snap sheet place circular arc lines are corresponding.
The extended line of described adjusting rod is perpendicular to described output shaft, and the end of adjusting rod is provided with belt wheel, and described abrasive band is arranged on the bottom of described belt wheel and described output shaft.
Abrasive band installation portion also comprises hole axle and sliding shoe, one end and the described mounting bracket of described hole axle fix, the other end of hole axle is provided with axial blind hole, spring is provided with in this blind hole, and blind hole is extended in one end of spring, one end of described sliding shoe is provided with guide cylinder, the other end of sliding shoe is fixed with described adjusting rod, the blind hole section of described hole axle is slidably inserted in the guide cylinder of described sliding shoe, and the external part of described spring fixes on the bottom of described guide cylinder, the outer wall of sliding shoe is provided with slip trigger.
Described mounting bracket has guide slots, and described slip trigger is arranged in the guide slots of described mounting bracket by screw clearances, and the guide slots that described screw passes described mounting bracket is fixedly connected with described sliding shoe.
Described slip trigger can along described screw turns, slip trigger is provided with curved flanges, mounting bracket is provided with the baffle plate contacted with described curved flanges, and when slip trigger rotation, the resistance that slip trigger drives sliding shoe to overcome described spring moves along described guide slots.
The invention has the beneficial effects as follows:
1, because head capsule lid has the first circular connector, the outer circle wall of this first circular connector is fixed with two spaced snap sheets of protrusion, mounting bracket has the second circular connector, first circular interface is rotating to be plugged in the second circular interface, and the inwall of the second circular interface is provided with a groove, when mounting bracket rotates relative to head capsule lid, described two spring leafs alternately fall into described groove, described mounting bracket and described head capsule lid can be connected and fixed by one lock-screw, therefore abrasive band of the present invention installation portion can carry out rotation adjustment relative to body portion, not only facilitate and carry out sanding operation in narrow working region, and sand milling can be carried out to groove and endoporus easily.
2, because adjusting rod and sliding shoe are fixed, sliding shoe is provided with guide cylinder, the mobilizable insertion guide cylinder of hole axle, spring in the axle of hole withstands the bottom of guide cylinder, and the resistance making sliding shoe overcome spring by pulling slip trigger moves towards axle side, hole, now makes the Distance Shortened assembling abrasive band, facilitate the handling in abrasive band, reverse slip trigger again after loading abrasive band, spring, by sliding shoe pushed home, tightens abrasive band.
Accompanying drawing explanation
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is the structural representation of the head capsule lid in the present invention;
Fig. 3 is the structural representation of the mounting bracket in the present invention;
Fig. 4 is external structure schematic diagram of the present invention;
Fig. 5 is the upward view of Fig. 4.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
See Fig. 1 ~ Fig. 5, a kind of Hand-held electric belt sander, comprise body portion and abrasive band installation portion, wherein, described body portion comprises casing 1, head capsule 2 and head capsule lid 3, described head capsule 2 is connected between described casing 1 and described head capsule lid 3, in described casing, 1 is provided with motor 4, the end of the rotating shaft 41 of this motor 4 extend in described head capsule 2, and the end of rotating shaft 41 is provided with drive bevel gear 5, by bearing, output shaft 6 is installed in described head capsule lid 3, the axial line of this output shaft 6 and the axial line of described rotating shaft 41 perpendicular, the top of output shaft 6 to extend in described head capsule 2 and is provided with the driven wheel of differential 7 be meshed with described drive bevel gear 5, head capsule lid 3 is extended in the bottom of output shaft 6, described head capsule lid 3 has the first circular connector 31, the outer circle wall of this first circular connector 31 is fixed with two spaced snap sheets 32 of protrusion, 33, the adjusting rod 10 that described abrasive band installation portion comprises abrasive band 8, mounting bracket 9 and is arranged on described mounting bracket 9, the material of mounting bracket 9 is metallic aluminium, described mounting bracket 9 has the second circular connector 91, first circular interface 31 is rotating to be plugged in the second circular interface 91, and the inwall of the second circular interface 91 is provided with a groove 91 ', when mounting bracket 9 rotates relative to head capsule lid 3, described two spring leafs 32,33 alternately fall into described groove 91 ', lock-screw 11 and described mounting bracket 9 can be connected and fixed with described head capsule lid 3, described abrasive band 8 is arranged on adjusting rod 10 and output shaft 6.Described two snap sheets 32,33 are positioned at circumferentially same, the central angle that two snap sheet 32,33 place circular arc lines are corresponding is α, central angle alpha=50 ° that two snap sheets 32,33 place circular arc line in the present embodiment is corresponding, α can also equal 40 ° or 60 ° in addition.The extended line of described adjusting rod 10 is perpendicular to described output shaft 6, and the end of adjusting rod 10 is provided with belt wheel 12, and described abrasive band 8 is arranged on the bottom of described belt wheel 12 and described output shaft 6.Abrasive band installation portion also comprises hole axle 13 and sliding shoe 14, one end and the described mounting bracket 9 of described hole axle 13 fix, the other end of hole axle 13 is provided with axial blind hole, spring 15 is provided with in this blind hole, and blind hole is extended in one end of spring 15, one end of described sliding shoe 14 is provided with guide cylinder, the other end of sliding shoe 14 is fixed with described adjusting rod 10, the blind hole section of described hole axle 13 is slidably inserted in the guide cylinder of described sliding shoe 14, and the external part of described spring 15 fixes on the bottom of described guide cylinder, the outer wall of sliding shoe 15 is provided with slip trigger 16.Described mounting bracket 9 has guide slots, and described slip trigger 16 is arranged in the guide slots of described mounting bracket 9 by screw 17 gap, and the guide slots that described screw 17 passes described mounting bracket 9 is fixedly connected with described sliding shoe 14.Described slip trigger 16 can rotate along described screw 17, slip trigger 16 is provided with curved flanges 16 ', mounting bracket 9 is provided with the baffle plate 18 contacted with described curved flanges 16 ', when slip trigger 16 rotates, the resistance that slip trigger 16 drives sliding shoe 14 to overcome described spring 15 moves along described guide slots, now makes the Distance Shortened assembling abrasive band, facilitate the handling in abrasive band, reverse slip trigger again after loading abrasive band, spring, by sliding shoe pushed home, tightens abrasive band.
Operation principle of the present invention is such: be provided with bearing in the end of adjusting rod by pivot pin, and belt wheel 12 is arranged on the bearing of adjusting rod end, and abrasive band 8 is set in the bottom of belt wheel 12 and output shaft 6.When needing to change abrasive band, rotate slip trigger 16, the resistance that slip trigger 16 drives sliding shoe 14 to overcome described spring 15 moves along described guide slots, now make the Distance Shortened assembling abrasive band, facilitate the handling in abrasive band, reverse slip trigger again after loading abrasive band, spring, by sliding shoe pushed home, tightens abrasive band.Be provided with actuating motor 4, the drive bevel gear 5 of rotating shaft 41 drives output shaft 6 transmission by driven wheel of differential 7, and output shaft 6 drives abrasive band 8 to work.When needs abrasive band installation portion can rotate relative to body portion, pull down lock-screw 11, then abrasive band installation portion is rotated, when snap sheet 32 or snap sheet 33 are fallen in groove 91 ', illustrate that abrasive band installation portion is rotated in place, be then connected and fixed with the head capsule lid 3 in body portion by the mounting bracket 9 of lock-screw 11 by abrasive band installation portion.
Claims (6)
1. a Hand-held electric belt sander, is characterized in that: comprise body portion and abrasive band installation portion, wherein,
Described body portion comprises casing (1), head capsule (2) and head capsule lid (3), described head capsule (2) is connected between described casing (1) and described head capsule lid (3), motor (4) is installed in described casing (1), the end of the rotating shaft (41) of this motor (4) extend in described head capsule (2), and the end of rotating shaft (41) is provided with drive bevel gear (5), by bearing, output shaft (6) is installed in described head capsule lid (3), the axial line of this output shaft (6) and the axial line of described rotating shaft (41) perpendicular, the top of output shaft (6) to extend in described head capsule (2) and is provided with the driven wheel of differential (7) be meshed with described drive bevel gear (5), head capsule lid (3) is extended in the bottom of output shaft (6), described head capsule lid (3) has the first circular connector (31), the outer circle wall of this first circular connector (31) is fixed with two spaced snap sheets (32 of protrusion, 33),
Described abrasive band installation portion comprises abrasive band (8), mounting bracket (9) and the adjusting rod (10) be arranged on described mounting bracket (9), described mounting bracket (9) has the second circular connector (91), first circular connector (31) is rotating to be plugged in the second circular connector (91), and the inwall of the second circular connector (91) is provided with a groove (91 '), when mounting bracket (9) rotates relative to head capsule lid (3), described two snap sheets (32, 33) described groove (91 ') is alternately fallen into, described mounting bracket (9) and described head capsule lid (3) can be connected and fixed by one lock-screw (11), described abrasive band (8) is arranged on adjusting rod (10) and output shaft (6), abrasive band installation portion also comprises hole axle (13) and sliding shoe (14), one end and the described mounting bracket (9) in described hole axle (13) fix, the other end of hole axle (13) is provided with axial blind hole, spring (15) is provided with in this blind hole, and blind hole is extended in one end of spring (15), one end of described sliding shoe (14) is provided with guide cylinder, the other end of sliding shoe (14) is fixed with described adjusting rod (10), the blind hole section in described hole axle (13) is slidably inserted in the guide cylinder of described sliding shoe (14), and the external part of described spring (15) fixes on the bottom of described guide cylinder, the outer wall of sliding shoe (14) is provided with slip trigger (16).
2. according to Hand-held electric belt sander according to claim 1, it is characterized in that: described two snap sheets (32,33) are positioned at circumferentially same, the central angle that two snap sheet (32,33) place circular arc lines are corresponding is α, 40 °≤α≤60 °.
3. according to Hand-held electric belt sander according to claim 2, it is characterized in that: two snap sheet (32,33) central angle alpha=50 ° that place circular arc line is corresponding.
4. according to Hand-held electric belt sander according to claim 1, it is characterized in that: the extended line of described adjusting rod (10) is perpendicular to described output shaft (6), the end of adjusting rod (10) is provided with belt wheel (12), and described abrasive band (8) are arranged on the bottom of described belt wheel (12) and described output shaft (6).
5. according to Hand-held electric belt sander according to claim 4, it is characterized in that: (9) have guide slots to described mounting bracket, described slip trigger (16) is arranged in the guide slots of described mounting bracket (9) by screw (17) gap, and described screw (17) is fixedly connected with described sliding shoe (14) through the guide slots of described mounting bracket (9).
6. according to Hand-held electric belt sander according to claim 5, it is characterized in that: described slip trigger (16) can be rotated along described screw (17), slip trigger (16) is provided with curved flanges (16 '), mounting bracket (9) is provided with the baffle plate (18) contacted with described curved flanges (16 '), when slip trigger (16) rotates, the resistance that slip trigger (16) drives sliding shoe (14) to overcome described spring (15) moves along described guide slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206868.8A CN102699798B (en) | 2012-06-14 | 2012-06-14 | Hand-held electric belt sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210206868.8A CN102699798B (en) | 2012-06-14 | 2012-06-14 | Hand-held electric belt sander |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102699798A CN102699798A (en) | 2012-10-03 |
| CN102699798B true CN102699798B (en) | 2015-01-07 |
Family
ID=46893005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210206868.8A Expired - Fee Related CN102699798B (en) | 2012-06-14 | 2012-06-14 | Hand-held electric belt sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102699798B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273406B (en) * | 2013-04-27 | 2016-02-03 | 苏州宏基工具有限公司 | Handheld electric belt sander |
| TWI593506B (en) * | 2016-04-25 | 2017-08-01 | Techway Industrial Co Ltd | Rotatable positioning of the handheld power belt machine |
| US10137554B2 (en) * | 2016-08-23 | 2018-11-27 | Techway Industrial Co., Ltd. | Hand-held belt sander |
| TWI828969B (en) * | 2021-02-19 | 2024-01-11 | 鑽全實業股份有限公司 | Electric belt sander with adjustable working angle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195449A (en) * | 1976-04-06 | 1980-04-01 | Annamaria Scarpa | Portable cutting-tool sharpener |
| CN2032924U (en) * | 1988-03-05 | 1989-02-22 | 重庆大学 | Hand abrader for abrasive belt |
| US5293156A (en) * | 1991-02-15 | 1994-03-08 | Nitto Kohki Co., Ltd. | Hand tool driven by DC battery with multiple level battery condition indicator |
| CN1169902A (en) * | 1996-05-02 | 1998-01-14 | 罗伯特-博希股份公司 | Hand electric polisher |
| CN101636246A (en) * | 2007-02-09 | 2010-01-27 | 日东工器株式会社 | Endless belt grinding tool |
| CN101745840A (en) * | 2008-12-05 | 2010-06-23 | 罗伯特·博世有限公司 | Protective hood device |
| CN202742178U (en) * | 2012-06-14 | 2013-02-20 | 宁波国图电机有限公司 | Handheld electric belt sander |
-
2012
- 2012-06-14 CN CN201210206868.8A patent/CN102699798B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4195449A (en) * | 1976-04-06 | 1980-04-01 | Annamaria Scarpa | Portable cutting-tool sharpener |
| CN2032924U (en) * | 1988-03-05 | 1989-02-22 | 重庆大学 | Hand abrader for abrasive belt |
| US5293156A (en) * | 1991-02-15 | 1994-03-08 | Nitto Kohki Co., Ltd. | Hand tool driven by DC battery with multiple level battery condition indicator |
| CN1169902A (en) * | 1996-05-02 | 1998-01-14 | 罗伯特-博希股份公司 | Hand electric polisher |
| CN101636246A (en) * | 2007-02-09 | 2010-01-27 | 日东工器株式会社 | Endless belt grinding tool |
| CN101745840A (en) * | 2008-12-05 | 2010-06-23 | 罗伯特·博世有限公司 | Protective hood device |
| CN202742178U (en) * | 2012-06-14 | 2013-02-20 | 宁波国图电机有限公司 | Handheld electric belt sander |
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| Publication number | Publication date |
|---|---|
| CN102699798A (en) | 2012-10-03 |
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Granted publication date: 20150107 Termination date: 20170614 |
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| CF01 | Termination of patent right due to non-payment of annual fee |