Logarithmic glass fiber reinforced plastic impeller

Abstract

An embodiment of the utility model provides a logarithmic glass fiber reinforced plastic impeller, which relates to the technical field of impellers and comprises a planting pot, blades and a base plate mounted on the upper side and the lower side of the blades, the blades are uniformly arranged on the inner side of the base plate and are in logarithmic spiral curve design, and the angles of the blades change continuously and smoothly from the center point to the outside. The intersection angle of any ray, starting from the center point of the impeller, of the blade section in the logarithmic spiral curve shape and the curve is constant, when fluid flows along the blade, energy loss can be reduced, efficiency can be improved, the fluid is more evenly distributed and flows out in an accelerated mode, and therefore the performance of a pump or a draught fan is improved. The distance from each point on the logarithmic spiral blades to the original point is increased according to the exponential law along with the angle, so that the impeller formed by the blades can provide optimized fluid dynamic conditions at different radiuses, smooth transition between the edges of the blades and other parts of the impeller is ensured, turbulence and noise are reduced, and the service life of the impeller is prolonged. And meanwhile, the durability of mechanical parts is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to impeller technical field especially is involved in logarithm shape glass steel impeller. BACKGROUND

[0002] Impeller refers to the wheel disc equipped with moving blade, and is the component part of impulse turbine rotor, and can refer to the total of wheel disc and rotating blade installed thereon. Impeller can be classified according to shape and open-close condition. In the field of fluid machinery, such as the design of pump and fan, impeller as core component, its design directly influences the key indexes such as performance, efficiency and operating noise of equipment.

[0003] Traditional impeller blade design often is difficult to improve fluid dynamics efficiency while reducing turbulence and noise, under high load working condition, the transition between blade edge and other parts of impeller often leads to energy loss increase, influences the overall performance of equipment. UTILITY MODEL CONTENT

[0004] The utility model discloses logarithm shape glass steel impeller can avoid the problem that impeller blade design often is difficult to improve fluid dynamics efficiency while reducing turbulence and noise, under high load working condition, the transition between blade edge and other parts of impeller often leads to energy loss increase.

[0005] The utility model provides logarithm shape glass steel impeller, including:

[0006] Blade and the bottom disc installed on the upper and lower sides of blade, the blade is fixedly installed on the inboard of bottom disc, and the both sides of bottom disc are fixedly connected with the guard disc.

[0007] Blade, the blade is evenly arranged in the inboard of bottom disc, and is logarithmic spiral curve design, and the blade is outward from the center point, and the blade angle change is continuous and smooth.

[0008] Preferably, the upper end of the bottom disc is provided with a first mounting groove and a second mounting groove, and the first mounting groove and the second mounting groove are arranged in an arc shape.

[0009] Preferably, the blade is made of glass steel material.

[0010] Preferably, the middle part of the blade is provided with a rotating shaft, and the both ends of the rotating shaft are movably installed in the bottom disc, and the both ends of the blade are provided with a positioning screw rod, and the positioning screw rod is movably installed in the first mounting groove and the second mounting groove.

[0011] Preferably, the thickness of the blade gradually thins from inside to outside.

[0012] Preferably, the first mounting groove and the second mounting groove are shaped with the rotating shaft as the center and the same rotating path as the positioning screw.

[0013] Preferably, the lower end edge of the protection disc is provided with a connecting sleeve, the connecting sleeve is arranged in a U shape, and is sleeved on the edge position of the base plate.

[0014] Preferably, the upper end of the connecting sleeve is provided with a locking head, and the locking head is arranged on the two sides of the base plate.

[0015] Preferably, the upper end of the base plate is uniformly provided with a connecting head, the connecting head comprises a locking bolt and a screw head for fastening connection, the connecting head is threadedly connected in the screw head, and the locking head is arranged at the position where the connecting head and the screw head contact the base plate.

[0016] Preferably, the connecting sleeve and the locking head are made of rubber material.

[0017] The logarithmic glass steel impeller provided by the embodiment of the utility model is characterized in that the angle of any ray from the center point of the blade section of the logarithmic spiral curve shape intersecting with the curve is constant, the angle change of the fluid flowing along the blade is continuous and smooth, energy loss is reduced and efficiency is improved, the fluid is more evenly distributed and accelerated to flow out, the performance of the pump or the fan is improved, the distance from each point on the logarithmic spiral blade to the original point increases with the angle according to the exponential law, which enables the impeller composed of the blade to provide optimized fluid dynamics at different radii, ensures that the transition between the blade edge and other parts of the impeller is very smooth, reduces turbulence and noise, and improves the durability of mechanical parts. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for the ordinary skilled in the art, other related drawings can be obtained without the creative labor on the basis of the drawings.

[0019] Figure 1 It is the overall structure schematic view of the embodiment of the utility model.

[0020] Figure 2 It is the split structure schematic view of the embodiment of the utility model.

[0021] Figure 3 It is the blade section structure schematic view of the embodiment of the utility model.

[0022] Figure 4 It is the protection disc structure schematic view of the embodiment of the utility model.

[0023] Figure 5 A leaf structure schematic view of the embodiment of the utility model.

[0024] Figure 6 A leaf structure schematic view of the embodiment of the utility model. Figure 4 An enlarged structure schematic view of A in the middle.

[0025] Figure 7 A cross section structure schematic view of the embodiment of the utility model.

[0026] Figure 8 A leaf structure schematic view of the embodiment of the utility model. Figure 7 An enlarged structure schematic view of B in the middle.

[0027] The drawings show that: 100, blade;110, rotating shaft;120, positioning screw;200, base plate;210, first installation slot;220, second installation slot;230, connecting head;231, locking bolt;232, spiral head;300, protection disc;310, connecting sleeve;320, locking head. Specific implementation

[0028] In the following, only some exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0029] In the description of the embodiments of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0030] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In the embodiments of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection, and can also be communication; can be directly connected, can also be indirectly connected through an intermediate medium, and can be the communication between two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0032] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present application. In order to simplify the disclosure of the embodiments of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present application. In addition, the embodiments of the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed.

[0033] In order to better understand the purpose, structure and function of the present application, the logarithmic glass steel impeller is further described in detail below in combination with the drawings.

[0034] As shown in Figures 1-8 The embodiments of the present application provide a logarithmic glass steel impeller, which comprises blades 100, and a bottom disc 200 installed on the upper and lower sides of the blades 100 for fixing, the blades 100 are fixedly installed on the inner side of the bottom disc 200, and the bottom disc 200 is fixedly connected with a protection disc 300 for protecting the inside on both sides;

[0035] The blades 100 are uniformly arranged on the inner side of the bottom disc 200 and designed as logarithmic spiral curves, and the angle of the blades 100 changes continuously and smoothly from the center point to the outside.

[0036] The angle of the cross section of the logarithmic spiral curve shaped blade 100 intersecting with the curve from any ray starting from the center point of the impeller is constant, and the angle change of the fluid flowing along the blade 100 is continuous and smooth, which is beneficial to reduce energy loss and improve efficiency, the fluid is more uniformly distributed and accelerated to flow out, thereby improving the performance of the pump or fan, the distance from each point on the logarithmic spiral line blade 100 to the origin increases with the angle according to the exponential law, which makes the impeller composed of the blade 100 can provide optimized fluid dynamics conditions at different radii, ensures that the transition between the edge of the blade 100 and other parts of the impeller is very smooth, reduces turbulence and noise, and at the same time improves the durability of the mechanical parts.

[0037] The upper end of the base plate 200 is provided with a first mounting slot 210 and a second mounting slot 220 for mounting and fixing the blades 100, and the first mounting slot 210 and the second mounting slot 220 are arranged in an arc shape.

[0038] The middle part of the blade 100 is provided with a rotating shaft 110 for positioning the blade 100, both ends of the rotating shaft 110 are movably installed in the base plate 200, both ends of the blade 100 are provided with a positioning screw 120 for fixing the blade 100, the positioning screw 120 is movably installed in the first mounting slot 210 and the second mounting slot 220, and is fastened by bolts.

[0039] The first mounting slot 210 and the second mounting slot 220 are designed with the rotating shaft 110 as the center and the same rotating path as the positioning screw 120.

[0040] The design of the first mounting slot 210 and the second mounting slot 220 allows the blade 100 to adjust the installation position and the installation angle as needed, and after adjusting the sliding of both ends of the blade 100 in the first mounting slot 210 and the second mounting slot 220, the blade 100 is fixed, which improves the adaptability of the impeller to different application scenarios, and also facilitates the fine adjustment of the impeller during the manufacturing process to achieve the best performance state.

[0041] The blade 100 is made of glass steel material, which has high strength and low density, can reduce its own weight while ensuring sufficient strength, reduce operating load, save energy, and glass steel material has strong resistance to acid and alkali corrosive media, so that the logarithmic impeller can run stably for a long time in harsh environment and prolong the service life.

[0042] The thickness of the blade 100 gradually thins from inside to outside to optimize the aerodynamic performance.

[0043] The lower end of the protective disc 300 is provided with a connecting sleeve 310 for connecting the protective disc 300 and the base plate 200, the connecting sleeve 310 is arranged in a U shape and is sleeved on the edge of the base plate 200.

[0044] The upper end of the connecting sleeve 310 is provided with a locking head 320 for fixing the connecting sleeve 310, and the locking head 320 is arranged on both sides of the base plate 200.

[0045] The upper end of the base plate 200 is uniformly provided with a connecting head 230, the connecting head 230 includes a locking bolt 231 for fastening connection and a screw head 232 for matching and fixing with the locking bolt 231, the connecting head 230 is threadedly installed in the screw head 232, and the locking head 320 is arranged at the position where the connecting head 230 and the screw head 232 contact the base plate 200.

[0046] When connecting the protection disc 300 and the bottom disc 200, the connecting sleeve 310 is sleeved, the screw head 232 is threadedly fastened with the locking bolt 231, the protection disc 300 and the bottom disc 200 are connected and fixed after installation and fastening, and the connection is more stable.

[0047] The connecting sleeve 310 and the locking head 320 can be made of rubber material, auxiliary sealing is realized through the connecting sleeve 310 and the locking head 320, the fixing of the connection position is further ensured, and slipping is avoided.

[0048] The working principle of the logarithmic glass steel impeller: the angle of the arbitrary ray from the center point of the impeller intersecting with the curve of the logarithmic spiral curve-shaped blade 100 section is constant, when the fluid flows along the blade 100, the angle change is continuous and smooth, which is beneficial to reduce energy loss and improve efficiency, the fluid is more uniformly distributed and accelerated to flow out, thereby improving the performance of the pump or fan, the distance from each point on the logarithmic spiral blade 100 to the origin increases exponentially with the angle, which enables the impeller composed of the blade 100 to provide optimized fluid dynamics at different radii, ensures that the transition between the edge of the blade 100 and other parts of the impeller is very smooth, reduces turbulence and noise, and improves the durability of mechanical parts.

[0049] It can be understood that the utility model is described through some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the scope protected by the utility model.

Claims

1. A logarithmic shaped glass reinforced plastic impeller characterised in that, Including: Blade, and the chassis installed on both sides of the blade up and down, the blade is fixedly installed on the inner side of the chassis, both sides of the chassis are fixedly connected with the guard plate; Blade, the blade is uniformly arranged in the inner side of the chassis, and is designed as a logarithmic spiral curve, and the blade is outward from the center point, the blade angle changes continuously and smoothly.

2. The logarithmic shaped glass steel impeller as claimed in claim 1, wherein, The upper end of the chassis is provided with a first mounting groove and a second mounting groove, and the first mounting groove and the second mounting groove are arranged in arc shape.

3. The logarithmic shaped glass steel impeller as claimed in claim 2, wherein, The blade is made of glass steel material.

4. The logarithmic shaped glass steel impeller as claimed in claim 3, wherein, The middle part of the blade is provided with a rotating shaft, both ends of the rotating shaft are movably installed in the inner side of the chassis, both ends of the blade are provided with a positioning screw rod, and the positioning screw rod is movably installed in the first mounting groove and the second mounting groove.

5. The logarithmic shaped glass steel impeller as claimed in claim 4, wherein, The thickness of the blade gradually thins from inside to outside.

6. The logarithmic shaped glass steel impeller as claimed in claim 5, wherein, The first mounting groove and the second mounting groove are opened in shape with the rotating shaft as the center, and the rotating path of the positioning screw rod is the same.

7. The logarithmic shaped glass steel impeller as claimed in claim 6, wherein, The lower end edge of the guard plate is provided with a connecting sleeve, the connecting sleeve is arranged in U shape, and is sleeved on the edge position of the chassis.

8. The logarithmic shaped glass steel impeller as claimed in claim 7, wherein, The upper end of the connecting sleeve is provided with a locking head, and the locking head is arranged on both sides of the chassis.

9. The logarithmic shaped glass steel impeller as claimed in claim 8, wherein, The upper end of the connecting sleeve is provided with a locking head, and the locking head is arranged on both sides of the chassis.

10. The logarithmic shaped glass steel impeller as claimed in claim 9, wherein, The upper end of the connecting sleeve is provided with a locking head, and the locking head is arranged on both sides of the chassis. The upper end of the connecting sleeve is provided with a locking head, and the locking head is arranged on both sides of the chassis. The connecting sleeve and the locking head can be made of rubber material.

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