CN213953974U - Engine impeller - Google Patents
Engine impeller Download PDFInfo
- Publication number
- CN213953974U CN213953974U CN202021922151.XU CN202021922151U CN213953974U CN 213953974 U CN213953974 U CN 213953974U CN 202021922151 U CN202021922151 U CN 202021922151U CN 213953974 U CN213953974 U CN 213953974U
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- China
- Prior art keywords
- chassis
- blade
- fixedly connected
- shaft sleeve
- blades
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- Expired - Fee Related
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Abstract
The utility model relates to an engine impeller belongs to engine water pump accessory technical field, and it includes axle sleeve, chassis and blade, and the chassis cover is established on the axle sleeve with axle sleeve fixed connection, the blade be equipped with a plurality ofly and with chassis fixed connection, a plurality of enhancement pieces of fixedly connected with on the outer peripheral face of axle sleeve strengthen piece and blade fixed connection. The utility model discloses have the intensity of reinforcing blade, prevent the cracked effect of blade.
Description
Technical Field
The utility model relates to an engine water pump accessory technical field, in particular to engine impeller.
Background
The water pump is an important part of an engine cooling system and is used for pumping cooling liquid to enable the cooling liquid to flow rapidly in a cooling water channel of an engine so as to take away heat generated during the operation of the engine and keep the normal operating temperature of the engine. The impeller is a key part for conveying cooling liquid by the water pump.
At present, a water pump generally comprises a shaft sleeve, an impeller and a base plate, wherein the shaft sleeve is fixedly connected with the base plate, blades are positioned on the top surface of the base plate and fixedly connected with the base plate, and the blades rotate along with the shaft and the shaft sleeve to realize water delivery.
The above prior art solutions have the following drawbacks: in the process that the blades rotate along with the shaft and the shaft sleeve, the roots of the blades are stressed intensively and are easy to break, so that the service life of the water pump is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an engine impeller, its intensity that has the reinforcing blade prevents the cracked effect of blade.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an engine impeller, includes axle sleeve, chassis and blade, and the chassis cover is established on the axle sleeve with axle sleeve fixed connection, the blade be equipped with a plurality ofly and with chassis fixed connection, a plurality of enhancement pieces of fixedly connected with on the outer peripheral face of axle sleeve, enhancement piece and blade fixed connection.
By adopting the technical scheme, the blades are distributed on the chassis and fixedly connected with the chassis, the chassis is sleeved on the shaft sleeve and fixedly connected with the shaft sleeve, and at the moment, the reinforcing sheet is abutted against and fixedly connected with the blades, so that the blades are fixedly connected with the chassis and the shaft sleeve simultaneously, the connection strength of the blades with the shaft sleeve and the chassis is increased, and the fracture condition of the connection part is reduced; simultaneously, the setting of strengthening the piece can increase the intensity of blade root, and fracture takes place when preventing that the blade from receiving great pressure to improve the life of blade.
The present invention may be further configured in a preferred embodiment as: the connection part of the blade and the chassis is in chamfer transition.
Through adopting above-mentioned technical scheme, the junction of blade and chassis is the chamfer setting, can reduce the stress concentration of junction, further increases the joint strength on blade and chassis, prevents the cracked condition of blade and chassis junction.
The present invention may be further configured in a preferred embodiment as: the blade comprises a main blade and a splitter blade, the main blade and the splitter blade are distributed at intervals, and the height of the splitter blade is smaller than that of the main blade.
By adopting the technical scheme, the main blades and the shunting blades are distributed on the chassis at intervals, so that the flow field distribution in the impeller can be effectively improved, the pressure ratio of the impeller is improved, the running stability of the impeller is improved, and the mechanical efficiency is improved.
The present invention may be further configured in a preferred embodiment as: one side of the blade far away from the base plate is provided with a top disc which is in a circular ring shape and is fixedly connected with the blade.
Through adopting above-mentioned technical scheme, connect the top dish at the blade top surface, the top dish links together all blades, fixes the top of blade, further alleviates the pressure that blade and chassis junction bore for intensity reinforcing between the blade prevents the blade fracture.
The present invention may be further configured in a preferred embodiment as: a connecting piece is connected between the top disc and the bottom disc, one end of the connecting piece is fixedly connected with the top disc, and the other end of the connecting piece is fixedly connected with the bottom disc.
The present invention may be further configured in a preferred embodiment as: a plurality of water through holes are formed in the position, close to the shaft sleeve, of the chassis.
Through adopting above-mentioned technical scheme, the pressure differential of exocoel in the limbers can balance the impeller avoids the impeller to warp, can guarantee the stability when the impeller is rotatory simultaneously to guarantee that the impeller can normal use, improve the life of impeller.
The present invention may be further configured in a preferred embodiment as: the top surface of the chassis is inclined, and one end far away from the shaft sleeve is inclined downwards.
Through adopting above-mentioned technical scheme, the top surface on chassis is the slope form for the rivers that get into the chassis intermediate position change into radially by the axial, are convenient for make rivers throw away from the edge on chassis, and simultaneously, the top surface of slope form can be alleviated the pressure that the blade root received, reduces the cracked condition of blade.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the reinforcing sheet is arranged, so that the strength of the root of the blade is increased, the blade is prevented from being broken, the blade is fixedly connected with the base plate and the shaft sleeve simultaneously through the reinforcing sheet, the connection strength of the blade, the shaft sleeve and the base plate is increased, and the situation that the connection part is broken is reduced;
2. the blades are divided into the main blades and the splitter blades, so that the distribution of a flow field in the impeller is improved conveniently, the running stability of the impeller is improved, and the mechanical efficiency is improved;
3. the setting of top dish makes blade and top dish fixed connection, further alleviates the pressure that blade and chassis junction bore for intensity reinforcing between the blade prevents the blade fracture.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a shaft sleeve; 11. a reinforcing sheet; 2. a chassis; 21. a water through hole; 3. a blade; 31. a master slice; 32. a splitter plate; 4. a top tray; 41. and (7) connecting the sheets.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an engine impeller, including cylindric axle sleeve 1, the cover is equipped with chassis 2 on the periphery of axle sleeve 1, chassis 2 and axle sleeve 1 fixed connection, a plurality of blades 3 of chassis 2's top surface fixedly connected with, a plurality of blades 3 along chassis 2's circumference interval distribution.
During the use, the axle drives axle sleeve 1 and rotates for the position of axle sleeve 1 forms the negative pressure, and the cooling water gets into the position of axle sleeve 1, then drives the blade 3 when rotatory at chassis 2, produces thrust to the cooling water, and throws away the cooling water from the edge of chassis 2, thereby realizes the transport to the cooling water.
Referring to fig. 1, the chassis 2 is a circular ring structure and is coaxial with the shaft sleeve 1, the top surface of the chassis 2 is inclined, the center of the top surface of the chassis 2 is higher than the edge, and the axial section of the chassis 2 is in an isosceles trapezoid structure. Three limber holes 21 are opened to chassis 2 near the position of axle sleeve 1, and the thickness of chassis 2 is run through to limber holes 21, and limber holes 21 evenly distributed along the axial interval of chassis 2.
Referring to fig. 1, the blade 3 includes three main plates 31 and three splitter plates 32, and the main plates 31 and the splitter plates 32 are uniformly distributed at intervals in the circumferential direction. The main piece 31 is a vertically arranged rectangular structure, one end of the main piece 31 is fixedly connected with the circumferential surface of the shaft sleeve 1, and the other end extends along the radial direction of the chassis 2 and bends towards the rotating direction of the impeller. The bottom surface of the main piece 31 is fixedly connected to the top surface of the chassis 2 while abutting against it. The joint of the main sheet 31 and the chassis 2 is in chamfer transition, so that the stress concentration at the joint of the main sheet 21 and the chassis 2 is reduced.
Referring to fig. 1, splitter 32 is the vertical rectangle structure that sets up, and the height that highly is less than main leaf 31 of splitter 32, and the one end and axle sleeve 1 fixed connection of splitter 32, the other end radially extends along chassis 2 to crooked to the rotatory direction of impeller, bottom surface and 2 top surfaces butt and fixed connection in chassis of splitter 32, and splitter 32 is the chamfer transition with chassis 2 junction. The splitter plates 32 are parallel to the main plate 31.
Referring to fig. 1, two sides of the main plate 31 in the length direction are provided with vertical reinforcing plates 11, the reinforcing plates 11 are located at one end close to the shaft sleeve 1 and fixedly connected with the shaft sleeve 1, the side surfaces of the reinforcing plates 11 are abutted and fixedly connected with the main plate 31, and the bottom surfaces of the reinforcing plates 11 are abutted and fixedly connected with the top surface of the chassis 2. The height of the reinforcing sheet 11 is smaller than the height of the main sheet 31, and the length of the reinforcing sheet 11 is smaller than the length of the sheet 31. The same reinforcing pieces 11 are arranged on both sides of the splitter plate 32 in the length direction, so that the strength of the main plate 31 and the splitter plate 32 is increased.
Referring to fig. 1, a top disc 4 is arranged on one side of the main plate 31, which is far away from the base plate 2, the top disc 4 is of a circular ring structure coaxial with the shaft sleeve 1, the diameter of the inner wall of the top disc 4 is larger than that of the outer wall of the shaft sleeve 1, and the bottom surface of the top disc 4 is abutted against and fixedly connected with the top surface of the main plate 31. The outer wall diameter of top dish 4 is the same with chassis 2's diameter, and is connected with connection piece 41 between top dish 4 and the chassis 2, and connection piece 41 is equipped with a plurality ofly, along the circumference interval evenly distributed of top dish 4, and the length direction of connection piece 41 is the same with the axis direction of top dish 4, and the one end and the top dish 4 fixed connection of connection piece 41, the other end and chassis 2 fixed connection will be a whole with top dish 4 and chassis 2 even.
The implementation principle of the above embodiment is as follows:
when conveying cooling water, the axle drives axle sleeve 1 and rotates, and axle sleeve 1 drives chassis 2, blade 3 and overhead gage 4 together high-speed rotatory, makes the cooling water that treats to carry throw away to the edge of chassis 2 in the runner between blade 3 under the effect of centrifugal force to throw around, realize the transport to the cooling water. In the working process of the impeller, the reinforcing sheet 11 increases the strength of the blade 3 and prevents the root of the blade 3 from being broken, thereby prolonging the service life of the impeller.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (5)
1. An engine impeller, includes axle sleeve (1), chassis (2) and blade (3), its characterized in that: the chassis (2) is sleeved on the shaft sleeve (1) and fixedly connected with the shaft sleeve (1), a plurality of blades (3) are fixedly connected with the chassis (2), a plurality of reinforcing sheets (11) are fixedly connected on the peripheral surface of the shaft sleeve (1), and the reinforcing sheets (11) are fixedly connected with the blades (3); the blade (3) comprises a main blade (31) and splitter blades (32), the main blade (31) and the splitter blades (32) are distributed at intervals, and the height of the splitter blades (32) is smaller than that of the main blade (31); one end of the main sheet (31) is fixedly connected with the circumferential surface of the shaft sleeve (1), and the other end extends along the radial direction of the chassis (2); the reinforcing sheet (11) is positioned at one end close to the shaft sleeve (1) and is fixedly connected with the shaft sleeve (1), the side surface of the reinforcing sheet (11) is abutted against and fixedly connected with the main sheet (31), and the bottom surface of the reinforcing sheet (11) is abutted against and fixedly connected with the top surface of the chassis (2); one side of the blade (3) far away from the base plate (2) is provided with a top disc (4), and the top disc (4) is in a circular ring shape and is fixedly connected with the blade (3).
2. An engine impeller according to claim 1, characterized in that: the joint of the blade (3) and the chassis (2) is in chamfer transition.
3. An engine impeller according to claim 2, wherein: a connecting piece (41) is connected between the top disc (4) and the bottom disc (2), one end of the connecting piece (41) is fixedly connected with the top disc (4), and the other end of the connecting piece is fixedly connected with the bottom disc (2).
4. An engine impeller according to claim 1, characterized in that: the chassis (2) is provided with a plurality of water through holes (21) at the position close to the shaft sleeve (1).
5. An engine impeller according to claim 1, characterized in that: the top surface of the chassis (2) is inclined, and one end far away from the shaft sleeve (1) is inclined downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922151.XU CN213953974U (en) | 2020-09-04 | 2020-09-04 | Engine impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021922151.XU CN213953974U (en) | 2020-09-04 | 2020-09-04 | Engine impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213953974U true CN213953974U (en) | 2021-08-13 |
Family
ID=77201085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021922151.XU Expired - Fee Related CN213953974U (en) | 2020-09-04 | 2020-09-04 | Engine impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213953974U (en) |
-
2020
- 2020-09-04 CN CN202021922151.XU patent/CN213953974U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210813 |