CN205703764U - A kind of sander - Google Patents
A kind of sander Download PDFInfo
- Publication number
- CN205703764U CN205703764U CN201620353408.1U CN201620353408U CN205703764U CN 205703764 U CN205703764 U CN 205703764U CN 201620353408 U CN201620353408 U CN 201620353408U CN 205703764 U CN205703764 U CN 205703764U
- Authority
- CN
- China
- Prior art keywords
- block
- rotating shaft
- water outlet
- outlet groove
- mill
- 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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- Crushing And Grinding (AREA)
Abstract
The utility model discloses a kind of sander.Including mill and the rotating shaft that is connected with mill, intake tunnel is offered in rotating shaft, circumferentially disposed fixed block on rotating shaft outer wall, fixed block downside is slidably connected block, between block and rotating shaft outer wall, spring is set, storage cavity is offered in fixed block, storage cavity connects with intake tunnel, water outlet groove is offered in fixed block downside, water outlet groove is connected with storage cavity, and be slidably connected in water outlet groove slide block, offers lower aquaporin in slide block, the upper side of slide block is led in lower aquaporin one end, and the other end leads to the right flank of slide block.Mill is dispelled the heat by this utility model in use automatically, extends mill service life, and protection is polished object from too high the caused damage of mill temperature.
Description
Technical field
This utility model relates to a kind of sander.
Background technology
Sander is a kind of manual power tool that body surface carries out grinding process, and it makes mill rotation continuously and healthily by various drive mechanisms, thus body surface of polishing.Just because of mill rotation continuously and healthily, it can produce bigger heat after rubbing with body surface, make mill hot, on the one hand hot mill works long hours can produce impact to the life-span of mill, on the other hand the body surface polished is caused damage by the too high meeting of its friction temperature, causes unnecessary loss.
Utility model content
This utility model is for deficiency of the prior art, it is provided that a kind of sander, and mill is dispelled the heat by automatically, extends mill service life, protects and be polished object from too high the caused damage of mill temperature.
nullFor solving above-mentioned technical problem，This utility model is addressed by following technical proposals: a kind of sander，Including mill and the rotating shaft that is connected with described mill，Intake tunnel is offered in described rotating shaft，It is circumferentially provided with several fixed blocks on described rotating shaft outer wall，Each described fixed block downside all slidably connects block，It is provided with spring between described block and described rotating shaft outer wall，Storage cavity is offered in described fixed block，Described storage cavity is connected with described intake tunnel，Described fixed block downside offers water outlet groove，Described water outlet groove is connected with described storage cavity，Slidably connect, in described water outlet groove, the slide block matched with it，Several lower aquaporins are offered in described slide block，The upper side of described slide block is led in described lower aquaporin one end，The other end leads to the right flank of described slide block，When described rotating shaft is static，In described slide block is pushed into described water outlet groove by described block and seal described water outlet groove.
During use, along with the rotation of rotating shaft, block is by centrifugal forces affect side slip outward, in slipping, slide block is along the inwall the most down sliding of water outlet groove, making lower aquaporin leave the inwall of water outlet groove, cooling water flows out to outside fixed block from lower aquaporin, and the distance of the distance of block side slip outward depends on the rotating speed of rotating shaft, rotating speed is the fastest, skidding distance is the most remote, thus the lower aquaporin leaving water outlet groove is the most, and water yield is the biggest.
In technique scheme, it is preferred that be additionally provided with baffle plate on described rotating shaft outer wall, described baffle plate is positioned at the lower section of described block, and described baffle plate end connects water-suction rope.By arranging baffle plate, the cooling water flowed out from lower aquaporin is directly impinging on baffle plate, and broken up by baffle plate, make to cool down water and can be directly diffused into each position of mill upper side, dispel the heat more uniform, meanwhile, part cooling water flows on water-suction rope, dispels the heat in each position being diffused into mill upper side along with the swing of water-suction rope.
In technique scheme, it is preferred that be additionally provided with support bar on described rotating shaft outer wall, described support bar upper side is provided with a bracer, and described block is slidably connected on described bracer.By arranging support bar and a bracer so that block is more tight with fixed block laminating, and its sealing effectiveness is more preferable.
The beneficial effects of the utility model are: mill is dispelled the heat by this utility model in use automatically, extend mill service life, and protection is polished object from too high the caused damage of mill temperature.
Accompanying drawing explanation
Fig. 1 is this utility model schematic cross-section.
Fig. 2 is schematic cross-section during this utility model rotating shaft rotation.
Fig. 3 is enlarged diagram at D in Fig. 1.
Detailed description of the invention
nullWith detailed description of the invention, this utility model is described in further detail below in conjunction with the accompanying drawings: see Fig. 1-Fig. 3，A kind of sander，Including mill 1 and the rotating shaft 2 that is connected with described mill 1，Intake tunnel 21 is offered in described rotating shaft 2，It is circumferentially provided with several fixed blocks 3 on described rotating shaft 2 outer wall，Each described fixed block 3 downside all slidably connects block 4，It is provided with spring 41 between described block 4 and described rotating shaft 2 outer wall，Storage cavity 31 is offered in described fixed block 3，Described storage cavity 31 is connected with described intake tunnel 21，Described fixed block 3 downside offers water outlet groove 32，Described water outlet groove 32 is connected with described storage cavity 31，The slide block 33 matched with it is slidably connected in described water outlet groove 32，Several lower aquaporins 331 are offered in described slide block 33，The upper side of described slide block 33 is led in described lower aquaporin 331 one end，The other end leads to the right flank of described slide block 33，When described rotating shaft 2 is static，In described slide block 33 is pushed into described water outlet groove 32 by described block 4 and seal described water outlet groove 32.
Being additionally provided with baffle plate 22 on described rotating shaft 2 outer wall, described baffle plate 22 is positioned at the lower section of described block 4, and described baffle plate 22 end connects water-suction rope 23.By arranging baffle plate, the cooling water flowed out from lower aquaporin is directly impinging on baffle plate, and broken up by baffle plate, make to cool down water and can be directly diffused into each position of mill upper side, dispel the heat more uniform, meanwhile, part cooling water flows on water-suction rope, dispels the heat in each position being diffused into mill upper side along with the swing of water-suction rope.
Being additionally provided with support bar 24 on described rotating shaft 2 outer wall, described support bar 24 upper side is provided with a bracer 25, and described block 4 is slidably connected on described bracer 25.By arranging support bar and a bracer so that block is more tight with fixed block laminating, and its sealing effectiveness is more preferable.
During use, along with the rotation of rotating shaft, block is by centrifugal forces affect side slip outward, in slipping, slide block is along the inwall the most down sliding of water outlet groove, making lower aquaporin leave the inwall of water outlet groove, cooling water flows out to outside fixed block from lower aquaporin, and the distance of the distance of block side slip outward depends on the rotating speed of rotating shaft, rotating speed is the fastest, skidding distance is the most remote, thus the lower aquaporin leaving water outlet groove is the most, and water yield is the biggest.
Claims (3)
- null1. a sander，Including mill (1) and the rotating shaft (2) that is connected with described mill (1)，It is characterized in that: in described rotating shaft (2), offer intake tunnel (21)，Several fixed blocks (3) it are circumferentially provided with on described rotating shaft (2) outer wall，Each described fixed block (3) downside all slidably connects block (4)，Spring (41) it is provided with between described block (4) and described rotating shaft (2) outer wall，Storage cavity (31) is offered in described fixed block (3)，Described storage cavity (31) is connected with described intake tunnel (21)，Described fixed block (3) downside offers water outlet groove (32)，Described water outlet groove (32) is connected with described storage cavity (31)，The slide block (33) matched with it is slidably connected in described water outlet groove (32)，Several lower aquaporins (331) are offered in described slide block (33)，The upper side of described slide block (33) is led in described lower aquaporin (331) one end，The other end leads to the right flank of described slide block (33)，When described rotating shaft (2) is static，Described slide block (33) is pushed in described water outlet groove (32) and seals described water outlet groove (32) by described block (4).
- A kind of sander the most according to claim 1, it is characterised in that: being additionally provided with baffle plate (22) on described rotating shaft (2) outer wall, described baffle plate (22) is positioned at the lower section of described block (4), and described baffle plate (22) end connects water-suction rope (23).
- A kind of sander the most according to claim 1, it is characterized in that: on described rotating shaft (2) outer wall, be additionally provided with support bar (24), described support bar (24) upper side is provided with a bracer (25), and described block (4) is slidably connected on described bracer (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353408.1U CN205703764U (en) | 2016-04-25 | 2016-04-25 | A kind of sander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620353408.1U CN205703764U (en) | 2016-04-25 | 2016-04-25 | A kind of sander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205703764U true CN205703764U (en) | 2016-11-23 |
Family
ID=57292678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620353408.1U Expired - Fee Related CN205703764U (en) | 2016-04-25 | 2016-04-25 | A kind of sander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205703764U (en) |
-
2016
- 2016-04-25 CN CN201620353408.1U patent/CN205703764U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20170425 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |