CN112895167A - Cooling mechanism for water drill - Google Patents
Cooling mechanism for water drill Download PDFInfo
- Publication number
- CN112895167A CN112895167A CN202110280689.8A CN202110280689A CN112895167A CN 112895167 A CN112895167 A CN 112895167A CN 202110280689 A CN202110280689 A CN 202110280689A CN 112895167 A CN112895167 A CN 112895167A
- Authority
- CN
- China
- Prior art keywords
- water
- output shaft
- hole
- water inlet
- sealing
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 178
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 65
- 238000002955 isolation Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006233 lamp black Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/14—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by boring or drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
- B28D7/02—Accessories specially adapted for use with machines or devices of the preceding groups for removing or laying dust, e.g. by spraying liquids; for cooling work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a cooling mechanism for a water drill, which comprises a machine shell and an output shaft, wherein the machine shell is provided with a water inlet part, the output shaft is at least partially and rotatably arranged in the machine shell, a water through cavity is arranged in the output shaft along the axial direction, one end of the water through cavity is closed, the other end of the water through cavity is opened, a first water through hole is arranged on the side wall of the output shaft, a sealing part is arranged on the output shaft and is in sealing contact with the machine shell, a second water through hole is arranged on the sealing part, and the water inlet part, the second water through hole, the first water through. The water inlet part is arranged on the middle cover and is directly communicated with the water cavity of the output shaft through the second water through hole of the sealing element and the first water through hole of the output shaft, so that the water inlet structure is low in cost, compact in structure and light in weight, and the sealing element is positioned between the first bearing and the second bearing, so that water can be prevented from flowing into other parts.
Description
Technical Field
The invention relates to the technical field of electric tools, in particular to a cooling mechanism for a rhinestone.
Background
The water drill, the name is diamond drill with water source, short diamond drill for short, can drill air conditioner hole, water heater hole, bathroom heater hole, lampblack absorber hole, exhaust fan hole, gas pipeline hole and the like, and can also realize new door opening of concrete bearing wall, ventilation pipeline opening, fire pipeline drilling, wire casing opening, blasting drilling, reinforcing drilling and the like.
The water drill conveys water to cool the drill bit and remove chips during rotation of the output shaft. The existing method generally adopts a copper bent pipe which is communicated with an external water source, and cooling water is introduced into an output shaft from the tail part of the output shaft through the copper bent pipe and then is sprayed out from the head part of the output shaft. By adopting the mode, the cost is high, a large amount of manpower and material resources are wasted, the roundness of the copper bent pipe is poor, the sealing performance between the copper bent pipe and the output shaft is poor, water flows out, the cooling effect is influenced, other parts can be damaged, and the rhinestone is scrapped.
Therefore, in view of the above technical problems, it is necessary to provide a cooling mechanism for a water drill.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a cooling mechanism for a water drill.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
the utility model provides a cooling body for water bores, includes casing and output shaft, the casing is provided with the portion of intaking, the output shaft is at least partly rotationally to be set up in the casing, be provided with the water cavity along the axial in the output shaft, the one end of water cavity is sealed, the other end opening, be provided with first limbers on the lateral wall of output shaft, be provided with the sealing member on the output shaft, first limbers, sealing member all are located between first bearing and the second bearing, the sealing member with casing sealing contact, the sealing member is provided with the second limbers, portion of intaking, second limbers, first limbers, water cavity are linked together in proper order.
As a further improvement of the present invention, the output shaft is rotatably disposed in the housing at least partially through a first bearing and a second bearing, and the first water passage hole and the sealing member are both located between the first bearing and the second bearing.
As a further improvement of the invention, the sealing element comprises two first sealing sleeves which are oppositely arranged along the axial direction and an isolating sleeve which is arranged between the two first sealing sleeves, the two first sealing sleeves are sleeved on the outer wall of the output shaft, and the second water through hole is arranged on the side wall of the isolating sleeve.
As a further improvement of the invention, the side wall of the isolation sleeve is also provided with at least one third water through hole, the side wall of the output shaft is also provided with at least one fourth water through hole, and the fourth water through hole is respectively communicated with the water through cavity and the corresponding third water through hole.
As a further improvement of the invention, the sealing element comprises a second sealing sleeve, the second sealing sleeve is sleeved on the outer wall of the output shaft, and the second water through hole is formed in the side wall of the second sealing sleeve.
As a further improvement of the invention, the side wall of the second sealing sleeve is further provided with at least one fifth through hole, the side wall of the output shaft is further provided with at least one sixth through hole, and the sixth through holes are respectively communicated with the water cavity and the corresponding fifth through holes.
As a further improvement of the present invention, the casing includes a housing and a middle cover matching with the housing, the first bearing is disposed in the housing, and the second bearing and the water inlet portion are both disposed in the middle cover.
As a further improvement of the invention, the water inlet part comprises a first water inlet joint, a first water inlet cavity is arranged in the first water inlet joint, and the first water inlet joint is in threaded connection with the middle cover.
As a further improvement of the invention, the water inlet part comprises a second water inlet joint, a second water inlet cavity is arranged in the second water inlet joint, and the second water inlet joint and the middle cover are integrally formed.
A water bores, includes the cooling body who is used for water bores as above-mentioned.
The invention has the beneficial effects that:
the water inlet part is arranged on the middle cover, the water inlet part is directly communicated with the water cavity of the output shaft through the second water through hole of the sealing element and the first water through hole of the output shaft, other parts are not needed, the cost is low, the structure is compact, the weight is light, the sealing element arranged on the outer wall of the output shaft can ensure the sealing property, in addition, the sealing element is positioned between the first bearing and the second bearing, the water can be prevented from flowing into other parts, and the service life of each part is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a first preferred embodiment of the present invention;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is a schematic structural diagram of a second preferred embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a third preferred embodiment of the present invention;
in the figure: 10. the water inlet structure comprises a machine shell, 12, an output shaft, 22, a water cavity, 24, a first water through hole, 25, a second water through hole, 26, a first bearing, 27, a second bearing, 28, a first sealing sleeve, 30, a separation sleeve, 32, a shell, 34, a middle cover, 36, a first water inlet connector, 37, a first water inlet cavity, 38, a first through hole, 40, a second through hole, 42, a third through hole, 44, an annular protrusion, 46, a first sealing ring, 48, an annular groove, 50, a second sealing ring, 52, a second sealing sleeve, 54, a second water inlet connector, 56 and a second water inlet cavity.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1 and 2, a cooling mechanism for a water drill includes a housing 10 and an output shaft 12, the housing 10 is provided with a water inlet portion, the output shaft 12 is at least partially rotatably disposed in the housing 10, a water passing cavity 22 is axially disposed in the output shaft 12, one end of the water passing cavity 22 is closed, the other end of the water passing cavity is open, a first water passing hole 24 is disposed on a side wall of the output shaft 12, a sealing member is disposed on the output shaft 12, the sealing member is in sealing contact with the housing 10, the sealing member is provided with a second water passing hole 25, and the water inlet portion, the second water passing hole 25, the first water passing hole 24 and the water passing cavity 22.
In this embodiment, the output shaft 12 is rotatably disposed in the casing 10 at least partially through the first bearing 26 and the second bearing 27, and the first water passage hole 24 and the sealing member are both located between the first bearing 26 and the second bearing 27, so that the installation is convenient and the sealing performance is good.
In this embodiment, the sealing member includes two first seal covers 28 that set up relatively along the axial, locate the spacer sleeve 29 between two first seal covers 28, two first seal covers 28 all overlap and establish on the outer wall of output shaft 12, the outer wall and the casing 10 sealing contact of every first seal cover 28, the inner wall and the output shaft 12 sealing contact of every first seal cover 28, second through hole 25 sets up on spacer sleeve 29, cooperate with spacer sleeve 29 through setting up split type with the sealing member, after long-time the use, only need change spacer sleeve 29, save the replacement cost.
Further, still be provided with at least one third through water hole 30 on the lateral wall of isolation cover 29, still be provided with at least one fourth through water hole 31 on the lateral wall of output shaft 12, fourth through water hole 31 is linked together with leading to water cavity 22, the third through water hole 30 that corresponds respectively, and when water flow was too big and leads to local water pressure big, hydroenergy can get into fourth through water hole 31 along third through water hole 30, and in reentrant water cavity 22, avoid water from first seal cover 28 department outflow.
Further, the casing 10 comprises a casing 32 and an intermediate cover 34 matched with the casing 32, the first bearing 26 is arranged in the casing 32, the second bearing 27 and the water inlet part are both arranged in the intermediate cover 34, the outer wall of the first sealing sleeve 28 is in sealing contact with the intermediate cover 34, the casing 10 is arranged in a split mode, and the installation of the first bearing 26, the second bearing 27 and the output shaft 12 can be facilitated.
Preferably, the first bearing 26 is a 2RS seal cover bearing. Further, the inner race of the first bearing 26 is preferably in transition fit with the output shaft 12, but is not limited to the transition fit, and may also be in interference fit or clearance fit, and the outer race of the first bearing 26 is preferably in interference fit with the housing 32, but is not limited to the interference fit, and may also be in transition fit or clearance fit. Preferably, the second bearing 27 is a needle bearing. It is further preferable that the inner race of the second bearing 27 is in clearance fit with the output shaft 12, and the outer race of the second bearing 27 is in interference fit with the intermediate cover 34.
In this embodiment, the water inlet portion includes a first water inlet connector 36, a first water inlet cavity 37 is provided in the first water inlet connector 36, the first water inlet connector 36 is in threaded connection with the middle cover 34, and the rapidity and the connection stability of the installation of the first water inlet connector 36 and the middle cover 34 are improved.
Specifically, a stepped hole is formed in the middle cover 34, and includes a first through hole 38, a second through hole 40, and a third through hole 42 that are sequentially communicated with each other, the hole diameters of the first through hole 38, the second through hole 40, and the third through hole 42 are sequentially reduced, an annular protrusion 44 is formed on the first water inlet joint 36, and the annular protrusion 44 is fitted in the first through hole 38.
In order to improve the sealing performance between the first water inlet joint 36 and the middle cover 34 and ensure that water flows in from the first water inlet cavity 37, a first sealing ring 46 is arranged between the annular protrusion 44 and the middle cover 34.
Specifically, an annular groove 48 is formed in the annular protrusion 44, the first seal ring 46 is inserted into the annular groove 48, and the first seal ring 46 is in sealing contact with the middle cap 34.
In order to improve the sealing performance between the housing 32 and the middle cap 34, a second sealing ring 50 is disposed between the housing 32 and the middle cap 34.
When the drill bit is used, the first water inlet connector 36 is connected with water source equipment, water enters the first water inlet cavity 37, the third through hole 42, the second water through hole 25, the first water through hole 24 and the water through cavity 22 in sequence, and is sprayed out from the front end of the output shaft 12, so that the drill bit mounted on the front end of the output shaft 12 is cooled, and meanwhile, sundry chips in the drill bit can be flushed out.
Example two
As shown in fig. 3, the difference between the second embodiment and the first embodiment is: the sealing element comprises a second sealing sleeve 52, the second sealing sleeve 52 is sleeved on the outer wall of the output shaft 12, and the second water through hole 25 is formed in the side wall of the second sealing sleeve 52. Specifically, the outer wall of the second seal sleeve 52 is in sealing contact with the middle cap 34, and the inner wall of the second seal sleeve 52 is in sealing contact with the outer wall of the output shaft 12.
Further, still be provided with at least one fifth through water hole 54 on the lateral wall of second seal cover 52, still be provided with at least one sixth through water hole 56 on the lateral wall of output shaft 12, sixth through water hole 56 is linked together with water cavity 22, corresponding fifth through water hole 54 respectively, and when water flow leads to local water pressure big greatly, hydroenergy can get into sixth through water hole 56 along fifth through water hole 54, and in reentrant water cavity 22, avoid water to follow second seal cover 52 and flow out.
When the drill bit is used, the first water inlet connector 36 is connected with water source equipment, water enters the first water inlet cavity 37, the third through hole 42, the second water through hole 25, the first water through hole 24 and the water through cavity 22 in sequence, and is sprayed out from the front end of the output shaft 12, so that the drill bit mounted on the front end of the output shaft 12 is cooled, and meanwhile, sundry chips in the drill bit can be flushed out.
EXAMPLE III
As shown in fig. 4, the difference between the third embodiment and the second embodiment is: the water inlet part comprises a second water inlet connector 58, a second water inlet cavity 60 is arranged in the second water inlet connector 58, and the second water inlet connector 58 and the middle cover 34 are integrally formed.
When the drill bit is used, the water source equipment is connected through the second inlet connector 58, water enters the second water inlet cavity 60, the second water through hole 25, the first water through hole 24 and the water through cavity 22 in sequence and is sprayed out of the front end of the output shaft 12, cooling of the drill bit mounted on the front end of the output shaft 12 is achieved, and meanwhile sundry chips in the drill bit can be flushed out.
The embodiment of the invention also provides a water drill which comprises the cooling mechanism for the water drill.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a cooling body for water bores, its characterized in that, includes casing and output shaft, the casing is provided with the portion of intaking, the output shaft is at least partly rotationally to be set up in the casing, be provided with the logical water cavity along the axial in the output shaft, the one end of leading to the water cavity is sealed, the other end opening, be provided with first limbers on the lateral wall of output shaft, be provided with the sealing member on the output shaft, the sealing member with casing sealing contact, the sealing member is provided with the second limbers, portion of intaking, second limbers, first limbers, logical water cavity are linked together in proper order.
2. The cooling mechanism for a water drill according to claim 1, wherein the output shaft is rotatably disposed within the housing at least in part by a first bearing and a second bearing, the first water passage hole, and a seal member each being located between the first bearing and the second bearing.
3. The cooling mechanism for the water drill according to claim 1 or 2, wherein the sealing element comprises two first sealing sleeves which are arranged oppositely along the axial direction, and a separation sleeve which is arranged between the two first sealing sleeves, the two first sealing sleeves are both sleeved on the outer wall of the output shaft, and the second water through hole is arranged on the side wall of the separation sleeve.
4. The cooling mechanism for the water drill according to claim 3, wherein the side wall of the isolation sleeve is further provided with at least one third water through hole, the side wall of the output shaft is further provided with at least one fourth water through hole, and the fourth water through holes are respectively communicated with the water through cavity and the corresponding third water through holes.
5. The cooling mechanism for the water drill according to claim 1 or 2, wherein the sealing member comprises a second sealing sleeve, the second sealing sleeve is sleeved on the outer wall of the output shaft, and the second water through hole is formed in the side wall of the second sealing sleeve.
6. The cooling mechanism for the water drill according to claim 5, wherein the side wall of the second sealing sleeve is further provided with at least one fifth water through hole, the side wall of the output shaft is further provided with at least one sixth water through hole, and the sixth water through holes are respectively communicated with the water through cavity and the corresponding fifth water through holes.
7. The cooling mechanism for a water drill according to claim 2, wherein the casing comprises a housing and a middle cover matched with the housing, the first bearing is arranged in the housing, and the second bearing and the water inlet part are both arranged in the middle cover.
8. The cooling mechanism for the water drill according to claim 7, wherein the water inlet part comprises a first water inlet connector, a first water inlet cavity is arranged in the first water inlet connector, and the first water inlet connector is in threaded connection with the middle cover.
9. The cooling mechanism for the water drill according to claim 7, wherein the water inlet portion comprises a second water inlet connector, a second water inlet cavity is arranged in the second water inlet connector, and the second water inlet connector and the middle cover are integrally formed.
10. A water drill, characterized by comprising a cooling mechanism for a water drill according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280689.8A CN112895167A (en) | 2021-03-16 | 2021-03-16 | Cooling mechanism for water drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110280689.8A CN112895167A (en) | 2021-03-16 | 2021-03-16 | Cooling mechanism for water drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112895167A true CN112895167A (en) | 2021-06-04 |
Family
ID=76105169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110280689.8A Pending CN112895167A (en) | 2021-03-16 | 2021-03-16 | Cooling mechanism for water drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112895167A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2298920Y (en) * | 1996-04-24 | 1998-12-02 | 薛军 | Water joint of electric drill |
| US5993120A (en) * | 1997-04-11 | 1999-11-30 | Sandvik Aktiebolag | Internal thread-producing tool and method |
| CN2508935Y (en) * | 2001-12-21 | 2002-09-04 | 铜陵长江电动工具有限责任公司 | Concrete boring machine |
| EP1736277A2 (en) * | 2005-06-21 | 2006-12-27 | Fischer AG | Spindle device with through coolant and closed spindle cooling circuit running through a rotary coupling |
| KR20110041632A (en) * | 2009-10-16 | 2011-04-22 | 정인교 | Adapter connecting core of drill |
| CN201913629U (en) * | 2010-12-30 | 2011-08-03 | 中钢集团洛阳耐火材料研究院有限公司 | Cooling device of drilling and grinding dual-purpose machine |
| CN202162896U (en) * | 2011-06-08 | 2012-03-14 | 王深德 | Stone drilling device |
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2021
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| CN107386974A (en) * | 2017-09-06 | 2017-11-24 | 唐山市金石超硬材料有限公司 | A kind of horizontal hole drill tool waterway seal device and method |
| CN209130280U (en) * | 2018-12-12 | 2019-07-19 | 浙江宇诺洁具科技有限公司 | A kind of tap with slow pressure function |
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