CN210059934U - Power head with waterproof structure - Google Patents
Power head with waterproof structure Download PDFInfo
- Publication number
- CN210059934U CN210059934U CN201920821704.3U CN201920821704U CN210059934U CN 210059934 U CN210059934 U CN 210059934U CN 201920821704 U CN201920821704 U CN 201920821704U CN 210059934 U CN210059934 U CN 210059934U
- Authority
- CN
- China
- Prior art keywords
- water
- ring
- driving shaft
- water outlet
- communicated
- 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.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 63
- 238000010276 construction Methods 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000012856 packing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002173 cutting fluid Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a power head with a waterproof structure, which comprises a driving shaft, a first housing coaxially sleeved on the driving shaft, a bearing arranged between the driving shaft and the first housing, a waterproof cover fixedly arranged at the front end of the first housing and coaxially sleeved on the driving shaft, and a water drain hole arranged on the waterproof cover; a first gap is arranged between the inner periphery of the waterproof cover and the outer periphery of the driving shaft; at least one water outlet structure communicated with the first gap is arranged in the waterproof cover, the water outlet structure comprises at least one horizontal water-blocking ring, at least one vertical water-blocking ring and a water outlet ring which are communicated in pairs, the horizontal water-blocking ring or the vertical water-blocking ring is communicated with the first gap, and the water outlet ring is communicated with the water drainage hole. The utility model relates to a unit head with waterproof construction, rivers form to block at horizontal ring and the vertical flow direction mutually perpendicular who blocks water in the ring that blocks water to outwards throw away after going out the ring under the effect of centrifugal force, the effectual bearing that has protected has improved the life of bearing.
Description
Technical Field
The utility model relates to a unit head with waterproof construction.
Background
Currently, the power head on the equipment is generally used for installing a milling cutter to mill a workpiece. During processing, cutting fluid needs to be sprayed synchronously, and in order to prevent the cutting fluid from polluting the bearing and influencing the service life of the bearing, a sealing cover is generally arranged at the front end of the driving shaft. However, there is a gap between the cover and the drive shaft, through which a portion of the cutting fluid flows toward the bearing.
Disclosure of Invention
The utility model aims at providing a unit head with waterproof construction can effectually prevent rivers to the bearing.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a power head with a waterproof structure comprises a driving shaft, a first housing coaxially sleeved on the driving shaft, a bearing arranged between the driving shaft and the first housing, a waterproof cover fixedly arranged at the front end of the first housing and coaxially sleeved on the driving shaft, and a water drainage hole formed in the waterproof cover; a first gap is formed between the inner peripheral part of the waterproof cover and the outer peripheral part of the driving shaft;
the water-proof cover is internally provided with at least one water outlet structure communicated with the first gap, the water outlet structure comprises at least one horizontal water-blocking ring, at least one vertical water-blocking ring and a water outlet ring which are communicated in pairs, the horizontal water-blocking ring or the vertical water-blocking ring is communicated with the first gap, and the water outlet ring is communicated with the water drainage hole.
Preferably, the water outlet structure comprises the horizontal water-blocking ring, the vertical water-blocking ring, the horizontal water-blocking ring, the vertical water-blocking ring and the water outlet ring which are sequentially communicated; the flow directions of water flow in the two horizontal water blocking rings are opposite.
Preferably, when a plurality of water outlet structures are arranged in the waterproof cover, the plurality of water outlet structures are sequentially communicated.
Preferably, the waterproof cover is provided with a second gap between the axial direction of the driving shaft and the front end of the first housing, and the power head further comprises an annular sealing ring arranged in the second gap.
Preferably, the power head further comprises a driving motor for driving the driving shaft to rotate through a conveyor belt and a second housing for sealing the conveyor belt, and the second housing is connected to the rear end of the first housing.
Preferably, the power head further comprises a driving cylinder for driving the driving shaft to move along the axial direction of the driving shaft, and the output end of the driving cylinder is connected to the rear end of the driving shaft.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model relates to a unit head with waterproof construction, through setting up horizontal ring, vertical ring and the ring that blocks water, rivers form to block rivers at the flow direction mutually perpendicular in horizontal ring and the vertical ring that blocks water to make rivers outwards throw away after going out the ring under the effect of centrifugal force, the effectual bearing that has protected has improved the life of bearing.
Drawings
FIG. 1 is a cross-sectional view of the device of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
fig. 3 is a schematic structural diagram of the device of the present invention.
Wherein: 1. a drive shaft; 2. a first housing; 3. a bearing; 4. a waterproof cover; 5. a water drain hole; 6. a first gap; 7. a horizontal water-blocking ring; 8. a vertical water-blocking ring; 9. a water outlet ring; 10. a second gap; 11. an annular seal ring; 12. a drive motor; 13. a second housing; 14. the cylinder is driven.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-3, the power head with the waterproof structure includes a driving shaft 1, a first housing 2 coaxially sleeved on the driving shaft 1, a bearing 3 disposed between the driving shaft 1 and the first housing 2, a waterproof cover 4 fixedly disposed at the front end of the first housing 2 (as shown in fig. 1, the left side in fig. 1 is the front side), coaxially sleeved on the driving shaft 1, and a water drain hole 5 disposed on the waterproof cover 4. In this embodiment, the first housing 2 is fixedly mounted on the frame, and the driving shaft 1 is rotatably disposed in the first housing 2 around its axial line.
The power head with the waterproof structure further comprises a driving motor 12 used for driving the driving shaft 1 to rotate through the conveyor belt and a second housing 13 used for sealing the conveyor belt, and the second housing 13 is connected to the rear end of the first housing 2. In the present embodiment, the drive motor 12 is located above the rear end of the driveshaft 1. Through setting up first encloser 2 and second encloser 13, can prevent dust and cutting particle entering wherein, all played the guard action to driving shaft 1, bearing 3 and conveyer belt.
The power head with the waterproof structure further comprises a driving cylinder 14 for driving the driving shaft 1 to move along the axial direction of the driving shaft, and the output end of the driving cylinder 14 is connected to the rear end of the driving shaft 1. In the present embodiment, the output end of the driving cylinder 14 extends coaxially with the drive shaft 1 for driving the front end of the drive shaft 1 to extend or retract into the first housing 2.
An annular first gap 6 is provided between the inner peripheral portion of the waterproof cover 4 and the outer peripheral portion of the drive shaft 1. At least one water outlet structure communicated with the first gap 6 is arranged in the waterproof cover 4, the water outlet structure comprises at least one horizontal water-blocking ring 7, at least one vertical water-blocking ring 8 and a water outlet ring 9 which are communicated in pairs, the horizontal water-blocking ring 7 or the vertical water-blocking ring 8 is communicated with the first gap 6, and the water outlet ring 9 is communicated with the water drainage hole 5. Through setting up horizontal ring 7 that blocks water, vertical ring 8 that blocks water and go out water ring 9, rivers are at horizontal ring 7 that blocks water and the flow direction mutually perpendicular in vertical ring 8 that blocks water, block rivers formation to make rivers throw away to outside through going out water ring 9 under the effect of centrifugal force, the effectual bearing 3 of having protected has improved the life of bearing 3.
In this embodiment, two water outlet structures are arranged in the waterproof cover 4, the front water outlet structure comprises a horizontal water-blocking ring 7, a vertical water-blocking ring 8, a horizontal water-blocking ring 7, a vertical water-blocking ring 8 and a water outlet ring 9 which are sequentially communicated, and the whole axial section of the front water outlet structure is in a liquid crystal digital five shape. The horizontal water-blocking rings 7 at the lower part are communicated with the first gap 6, the flowing directions of water flow in the upper horizontal water-blocking ring 7 and the lower horizontal water-blocking ring 7 are opposite, and through the arrangement, the water flow flows around the water outlet structure to impact or even flow towards the front end in the reverse direction, the flowing direction of the water flow is deflected, and the water flow is further blocked. The water outlet structure at the rear comprises a vertical water-blocking ring 8, a water outlet ring 9 and a vertical water-blocking ring 8 which are sequentially communicated, and the cross section of the bearing 3 is integrally inverted U-shaped. Through setting up two structures of going out water, when discharge is great, further cushion rivers and guide it outwards to throw away.
The water outlet ring 9 in the front water outlet structure is communicated with the vertical water-blocking ring 8 in the front water outlet structure.
An annular second gap 10 is arranged between the rear end of the waterproof cover 4 and the front end of the first housing 2, and the power head further comprises an annular sealing ring 11 arranged in the second gap 10. With this arrangement, dust, cutting particles, and liquid are further prevented from entering therein, and the sealing property is improved.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a unit head with waterproof construction which characterized in that: the water-saving device comprises a driving shaft, a first encloser coaxially sleeved on the driving shaft, a bearing arranged between the driving shaft and the first encloser, a waterproof cover fixedly arranged at the front end of the first encloser and coaxially sleeved on the driving shaft, and a water drainage hole formed in the waterproof cover; a first gap is formed between the inner peripheral part of the waterproof cover and the outer peripheral part of the driving shaft;
the water-proof cover is internally provided with at least one water outlet structure communicated with the first gap, the water outlet structure comprises at least one horizontal water-blocking ring, at least one vertical water-blocking ring and a water outlet ring which are communicated in pairs, the horizontal water-blocking ring or the vertical water-blocking ring is communicated with the first gap, and the water outlet ring is communicated with the water drainage hole.
2. The power head with a waterproof structure according to claim 1, wherein: the water outlet structure comprises the horizontal water-blocking ring, the vertical water-blocking ring, the horizontal water-blocking ring, the vertical water-blocking ring and the water outlet ring which are sequentially communicated; the flow directions of water flow in the two horizontal water blocking rings are opposite.
3. The power head with a waterproof structure according to claim 1, wherein: when the waterproof cover is internally provided with a plurality of water outlet structures, the water outlet structures are sequentially communicated.
4. The power head with a waterproof structure according to claim 1, wherein: the waterproof cover is along the axial of driving shaft with be equipped with the second clearance between the first housing front end, the unit head is still including locating the ring packing in the second clearance.
5. The power head with a waterproof structure according to claim 1, wherein: the power head further comprises a driving motor used for driving the driving shaft to rotate through a conveying belt and a second housing used for sealing the conveying belt, and the second housing is connected to the rear end of the first housing.
6. The power head with a waterproof structure according to claim 1, wherein: the power head further comprises a driving cylinder used for driving the driving shaft to move along the axial direction of the driving shaft, and the output end of the driving cylinder is connected to the rear end of the driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821704.3U CN210059934U (en) | 2019-06-03 | 2019-06-03 | Power head with waterproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821704.3U CN210059934U (en) | 2019-06-03 | 2019-06-03 | Power head with waterproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210059934U true CN210059934U (en) | 2020-02-14 |
Family
ID=69456022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920821704.3U Active CN210059934U (en) | 2019-06-03 | 2019-06-03 | Power head with waterproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210059934U (en) |
-
2019
- 2019-06-03 CN CN201920821704.3U patent/CN210059934U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105927552B (en) | A kind of water pump for drainage | |
| CN212203590U (en) | Automatic slag removal water conservancy pipeline for water conservancy project | |
| CN111940388A (en) | Underwater jet flow cleaning device with dirt crushing and recycling functions | |
| CN220149279U (en) | Sewage adds medicine stirring filtration equipment | |
| CN105508262B (en) | A kind of multistage cutting grinds dredge pump | |
| CN210178628U (en) | Anti-blocking sewage pump | |
| KR20150075846A (en) | Vertical crush pump for treating an accumulated sludge sediment | |
| CN110918227B (en) | A bulk bag machine | |
| CN106958660A (en) | A kind of grease lubrication electro spindle | |
| CN104196899A (en) | Guide structure and main shaft box with same | |
| CN115750377A (en) | A kind of flexible structure slurry pump | |
| CN206918255U (en) | A kind of grease lubrication electro spindle | |
| CN204041749U (en) | A kind of flow guide structure and there is the headstock of this flow guide structure | |
| CN118088698B (en) | Sealing device of main shaft and lathe main shaft | |
| CN210265142U (en) | Anti-blocking submersible sewage pump | |
| CN210599448U (en) | Stirring and filtering type sand pump | |
| CN218658457U (en) | Waterproof device for four-side grinding wheel | |
| US6312228B1 (en) | Recovery pump for recovering floating oil | |
| CN212225948U (en) | Marine silt-proof sealing assembly and gear box | |
| CN213870296U (en) | Supercritical oxidation mud-reducing pump | |
| CN218760461U (en) | Vertical axial-flow pump that contains sand control function | |
| CN207788426U (en) | A kind of gear-hobbing machine protective device with the small leading screw backplate of knife rest | |
| CN211288274U (en) | Vacuum suction device of mining pneumatic dredging dredge pump | |
| CN209908787U (en) | Submersible motor capable of reducing impeller abrasion | |
| CN106402015B (en) | A kind of double sand-throwing ring sand control installations of submersible pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |