CN210660586U - High-speed centrifugal oil-free air blower - Google Patents
High-speed centrifugal oil-free air blower Download PDFInfo
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- CN210660586U CN210660586U CN201921477338.0U CN201921477338U CN210660586U CN 210660586 U CN210660586 U CN 210660586U CN 201921477338 U CN201921477338 U CN 201921477338U CN 210660586 U CN210660586 U CN 210660586U
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Abstract
A high-speed centrifugal oil-free blower comprises a fan cover, a bearing cavity, a connecting cavity, a driving motor and a fan cover, wherein the bearing cavity is connected to one side of the fan cover; an impeller is arranged in the fan cover, an air outlet is formed below the surface of the fan cover, an air inlet is formed in the other side of the fan cover, a bearing is arranged in the bearing cavity, and a ball is arranged in the bearing; the utility model discloses simple structure, through drain pipe, feed liquor pipe, coolant liquid storage chamber and the liquid pump that sets up, can carry out the circulation operation with the coolant liquid, can bring comparatively comprehensive cooling maintenance for the bearing, prevent that rotatory in-process bearing from producing high temperature, the coolant liquid can play the lubrication action simultaneously, and circulating setting can ensure to grind the disintegrating slag and can in time be taken out the bearing chamber, prevents that the bearing rotation from causing wearing and tearing.
Description
Technical Field
The utility model relates to an air-blower technical field especially relates to a high-speed centrifugal does not have oily air-blower.
Background
The blower mainly comprises the following six parts: motor, air cleaner, air-blower body, air chamber, base (also can the oil tank), oil drip mouth. The blower eccentrically operates by a rotor offset in a cylinder, and sucks, compresses, and discharges air by changing the volume between vanes in a rotor groove. During operation, the pressure difference of the blower is used to automatically deliver the lubricant to the oil dropping nozzle and drop it into the cylinder to reduce friction and noise while keeping the gas in the cylinder from flowing back.
The blower bearing wearing and tearing are comparatively serious in the course of the work, though prior art uses lubricating oil grease to lubricate the blower bearing, can't solve the high temperature phenomenon that the bearing rotation in-process produced, and high temperature can cause the unstability of bearing, causes the device to damage easily.
In order to solve the above problems, a high-speed centrifugal oil-free blower is proposed in the present application.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem that exists among the background art, the utility model provides a high-speed centrifugal does not have oily air-blower, through drain pipe, feed liquor pipe, coolant liquid storage chamber and the drain pump that sets up, can carry out the circulation operation with the coolant liquid, can bring comparatively comprehensive cooling maintenance for the bearing, prevent that rotatory in-process bearing from producing high temperature, the coolant liquid can play the lubrication action simultaneously, and circulating setting can ensure to grind the disintegrating slag and can in time be taken out of the bearing chamber, prevents that the bearing is rotatory to cause wearing and tearing.
(II) technical scheme
In order to solve the problems, the utility model provides a high-speed centrifugal oil-free blower, which comprises a blower cover, a bearing cavity, a connecting cavity, a driving motor and a blower cover, wherein one side of the blower cover is connected with the bearing cavity, one side of the bearing cavity is connected with the connecting cavity, one side of the connecting cavity is provided with the driving motor, and one side of the driving motor is provided with the blower cover; an impeller is arranged in the fan cover, an air outlet is formed below the surface of the fan cover, an air inlet is formed in the other side of the fan cover, a bearing is arranged in the bearing cavity, balls are arranged in the bearing, a liquid outlet pipe is connected above the bearing, a liquid inlet pipe is connected below the bearing, and the lower ends of the liquid outlet pipe and the liquid inlet pipe are both connected with a cooling liquid storage cavity; a liquid outlet pump is arranged in the cooling liquid storage cavity, the upper part of the liquid outlet pump is connected with a liquid inlet pipe, a filter tank is arranged in the liquid outlet pipe, a primary filter screen is arranged above the interior of the filter tank, a secondary filter screen is arranged below the primary filter screen, and an adsorption layer is arranged below the secondary filter screen; the impeller is characterized in that a rotor is arranged inside the driving motor, a winding is arranged on the surface of the rotor, a stator is arranged on the inner wall of the driving motor, a motor shaft is arranged inside the rotor, and the motor shaft sequentially penetrates through the connecting cavity and one end of the bearing to be connected with the impeller.
Preferably, a fixing plate is arranged in the connecting cavity, and the fixing plate is connected with the motor shaft in a penetrating mode.
Preferably, a junction box is arranged below the driving motor.
Preferably, the surface of the driving motor is provided with heat dissipation fins.
Preferably, the other end of the motor shaft is connected with a fan blade, and the fan blade is positioned inside the fan cover.
The above technical scheme of the utility model has following profitable technological effect: through the arranged liquid outlet pipe, the liquid inlet pipe, the cooling liquid storage cavity and the liquid outlet pump, the cooling liquid can be circularly operated, the bearing can be comprehensively cooled and maintained, the bearing is prevented from generating high temperature in the rotating process, meanwhile, the cooling liquid can play a lubricating role, the circulating arrangement can ensure that grinding slag can be timely taken out of the bearing cavity, the bearing is prevented from being worn due to rotation, the grinding slag in the cooling liquid can be filtered by utilizing a primary filter screen, a secondary filter screen and an adsorption layer through the arranged filter tank, the quality of the cooling liquid can be ensured, the external cold air can be sucked into the driving motor in the rotating process of the motor through the arranged fan blades, the driving motor can be effectively cooled, meanwhile, the contact area between the driving motor and the air can be increased through the arranged cooling fins, and the cooling efficiency of the driving motor is increased, through the fan casing that sets up, can prevent that external dust from entering into driving motor inside, prevent the inside deposition of driving motor.
Drawings
Fig. 1 is the internal structure schematic diagram of the high-speed centrifugal oil-free blower provided by the utility model.
Fig. 2 is a schematic view of a cooling liquid circulation structure in a high-speed centrifugal oil-free blower according to the present invention.
Fig. 3 is the external structure schematic diagram of the high-speed centrifugal oil-free blower provided by the utility model.
Reference numerals:
1: a fan guard; 2: a bearing cavity; 3: a connecting cavity; 4: a drive motor; 5: an impeller; 6: an air inlet; 7: a bearing; 8: a ball bearing; 9: a liquid outlet pipe; 10: a liquid inlet pipe; 11: a coolant storage chamber; 12: a fixing plate; 13: a motor is extracted; 14: a rotor; 15: a winding; 16: a stator; 17: a junction box; 18: a fan housing; 19: a fan blade; 20: a liquid outlet pump; 21: a filter tank; 22: a primary filter screen; 23: a secondary filter screen; 24: an adsorption layer; 25: an air outlet; 26: and heat dissipation fins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the high-speed centrifugal oil-free blower provided by the present invention comprises a blower housing 1, a bearing cavity 2, a connection cavity 3, a driving motor 4 and a blower housing 18, wherein the bearing cavity 2 is connected to one side of the blower housing 1, the connection cavity 3 is connected to one side of the bearing cavity 2, the driving motor 4 is arranged on one side of the connection cavity 3, and the blower housing 18 is arranged on one side of the driving motor 4;
an impeller 5 is arranged in the fan cover 1, an air outlet 25 is formed in the lower portion of the surface of the fan cover 1, an air inlet 6 is formed in the other side of the fan cover 1, a bearing 7 is arranged in the bearing cavity 2, a ball 8 is arranged in the bearing 7, a liquid outlet pipe 9 is connected above the bearing 7, a liquid inlet pipe 10 is connected below the bearing 7, and the lower ends of the liquid outlet pipe 9 and the liquid inlet pipe 10 are both connected with a cooling liquid storage cavity 11;
the impeller is characterized in that a rotor 14 is arranged inside the driving motor 4, a winding 15 is arranged on the surface of the rotor 14, a stator 16 is arranged on the inner wall of the driving motor 4, a motor shaft 13 is arranged inside the rotor 14, and the motor shaft 13 penetrates through the connecting cavity 3 and one end of the bearing 7 in sequence to be connected with the impeller 5.
In the embodiment, a fixing plate 12 is arranged inside the connecting cavity 3, and the fixing plate 12 is connected with a motor shaft 13 in a penetrating manner; a junction box 17 is arranged below the driving motor 4; the other end of the motor shaft 13 is connected with a fan blade 19, and the fan blade 19 is located inside the fan cover 18.
In the utility model, the cooling liquid can be circulated through the liquid outlet pipe 9, the liquid inlet pipe 10, the cooling liquid storage cavity 11 and the liquid outlet pump 20, so as to bring comprehensive cooling maintenance to the bearing 7, prevent the bearing 7 from generating high temperature in the rotating process, and simultaneously, the cooling liquid can play a lubricating role, and the circulation type arrangement can ensure that grinding slag can be brought out of the bearing cavity 2 in time, so as to prevent the bearing 7 from being worn due to rotation, the grinding slag in the cooling liquid can be filtered by the primary filter screen 22, the secondary filter screen 23 and the adsorption layer 24 through the arranged filter tank 21, so as to ensure the quality of the cooling liquid, and the external cold air can be sucked into the driving motor 4 in the rotating process of the driving motor 4 through the arranged fan blades 19, so as to effectively dissipate heat of the driving motor 4, and meanwhile, the contact area between the driving motor 4 and the air can be increased through the arranged heat dissipation fins 26, the heat dissipation efficiency of the driving motor 4 is increased, and external dust can be prevented from entering the driving motor 4 through the arranged fan cover 18, so that dust deposition in the driving motor 4 is prevented.
As shown in fig. 2, inside liquid pump 20 that is provided with of coolant liquid storage chamber 11, liquid pump 20 top is connected with feed liquor pipe 10, the inside filter tank 21 that is provided with of drain pipe 9, the inside top of filter tank 21 is provided with elementary filter screen 22, elementary filter screen 22 below is provided with secondary filter screen 23, secondary filter screen 23 below is provided with adsorbed layer 24.
In this embodiment, the primary filter screen 22, the secondary filter screen 23 and the adsorption layer 24 are detachably disposed, and the primary filter screen 22, the secondary filter screen 23 and the adsorption layer 24 can be replaced.
It should be noted that, through the drain pipe 9 that sets up, feed liquor pipe 10, coolant liquid storage chamber 11 and liquid pump 20, can carry out the circulation operation with the coolant liquid, can bring comparatively comprehensive cooling maintenance for bearing 7, prevent that rotatory in-process bearing 7 from producing high temperature, the coolant liquid can play the lubrication action simultaneously, the circulating setting, can ensure to grind the disintegrating slag and can in time be taken out bearing chamber 2, prevent that bearing 7 is rotatory to cause wearing and tearing, through the filter tank 21 that sets up, can utilize elementary filter screen 22, secondary filter screen 23 and adsorbed layer 24 filter the grinding disintegrating slag in the coolant liquid, can ensure the quality of coolant liquid.
It should be noted that the working principle of the present invention is that, the driving motor 4 is turned on, the driving motor 4 drives the impeller 5 to rotate, and the air is sucked from the air inlet 6 and discharged from the air outlet 25, thereby realizing the blowing function, the cooling liquid can be circulated through the arranged liquid outlet pipe 9, liquid inlet pipe 10, cooling liquid storage chamber 11 and liquid outlet pump 20, thereby bringing more comprehensive cooling maintenance to the bearing 7, preventing the bearing 7 from generating high temperature during the rotation process, and simultaneously, the cooling liquid can play a lubricating role, the circulation arrangement can ensure that the grinding slag can be brought out of the bearing cavity 2 in time, preventing the bearing 7 from being worn due to the rotation, the primary filter screen 22, the secondary filter screen 23 and the adsorption layer 24 can be used for filtering the grinding slag in the cooling liquid through the arranged filter tank 21, thereby ensuring the quality of the cooling liquid, the liquid outlet pump 20 conveys the cooling liquid from the lower part of the bearing cavity 2 to the inner part of the bearing cavity 2, treat that the inside liquid level of bearing chamber 2 risees, the coolant liquid is flowed by drain pipe 9, and the filtration through filtering jar 21 flows into coolant liquid storage chamber 11 again, and through the flabellum 19 that sets up, can inhale outside cold air to driving motor 4 inside at driving motor 4 pivoted in-process, can effectively dispel the heat to driving motor 4.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. A high-speed centrifugal oil-free blower comprises a fan cover (1), a bearing cavity (2), a connecting cavity (3), a driving motor (4) and a fan cover (18), and is characterized in that one side of the fan cover (1) is connected with the bearing cavity (2), one side of the bearing cavity (2) is connected with the connecting cavity (3), one side of the connecting cavity (3) is provided with the driving motor (4), and one side of the driving motor (4) is provided with the fan cover (18);
an impeller (5) is arranged in the fan cover (1), an air outlet (25) is formed in the lower portion of the surface of the fan cover (1), an air inlet (6) is formed in the other side of the fan cover (1), a bearing (7) is arranged in the bearing cavity (2), balls (8) are arranged in the bearing (7), a liquid outlet pipe (9) is connected to the upper portion of the bearing (7), a liquid inlet pipe (10) is connected to the lower portion of the bearing (7), and cooling liquid storage cavities (11) are connected to the lower ends of the liquid outlet pipe (9) and the liquid inlet pipe (10);
a liquid outlet pump (20) is arranged in the cooling liquid storage cavity (11), the upper part of the liquid outlet pump (20) is connected with a liquid inlet pipe (10), a filter tank (21) is arranged in the liquid outlet pipe (9), a primary filter screen (22) is arranged above the inner part of the filter tank (21), a secondary filter screen (23) is arranged below the primary filter screen (22), and an adsorption layer (24) is arranged below the secondary filter screen (23);
the improved impeller is characterized in that a rotor (14) is arranged inside the driving motor (4), a winding (15) is arranged on the surface of the rotor (14), a stator (16) is arranged on the inner wall of the driving motor (4), a motor shaft (13) is arranged inside the rotor (14), and the motor shaft (13) penetrates through the connecting cavity (3) and one end of the bearing (7) in sequence to be connected with the impeller (5).
2. A high-speed centrifugal oil-free blower according to claim 1, wherein a fixing plate (12) is arranged inside the connecting cavity (3), and the fixing plate (12) is connected with a motor shaft (13) in a penetrating manner.
3. A high-speed centrifugal oil-free blower according to claim 1, wherein a terminal box (17) is provided below the driving motor (4).
4. A high-speed centrifugal oil-free blower according to claim 1, wherein the surface of the driving motor (4) is provided with heat radiating fins (26).
5. A high-speed centrifugal oil-free blower according to claim 1, wherein a fan blade (19) is connected to the other end of the motor shaft (13), and the fan blade (19) is located inside the fan housing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477338.0U CN210660586U (en) | 2019-09-06 | 2019-09-06 | High-speed centrifugal oil-free air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921477338.0U CN210660586U (en) | 2019-09-06 | 2019-09-06 | High-speed centrifugal oil-free air blower |
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| Publication Number | Publication Date |
|---|---|
| CN210660586U true CN210660586U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921477338.0U Active CN210660586U (en) | 2019-09-06 | 2019-09-06 | High-speed centrifugal oil-free air blower |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749907A (en) * | 2020-06-18 | 2020-10-09 | 德耐尔节能科技（上海）股份有限公司 | Permanent magnet synchronous high-speed centrifugal oil-free air blower |
| CN113922558A (en) * | 2021-10-12 | 2022-01-11 | 扬州市华天电机有限公司 | High-abrasion-resistance rotary sealing structure of single-phase permanent magnet alternating current motor |
-
2019
- 2019-09-06 CN CN201921477338.0U patent/CN210660586U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749907A (en) * | 2020-06-18 | 2020-10-09 | 德耐尔节能科技（上海）股份有限公司 | Permanent magnet synchronous high-speed centrifugal oil-free air blower |
| CN113922558A (en) * | 2021-10-12 | 2022-01-11 | 扬州市华天电机有限公司 | High-abrasion-resistance rotary sealing structure of single-phase permanent magnet alternating current motor |
| CN113922558B (en) * | 2021-10-12 | 2022-12-09 | 扬州市华天电机有限公司 | High-abrasion-resistance rotary sealing structure of single-phase permanent magnet alternating current motor |
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