阅读说明：本技术 一种三元流节能闭式叶轮 (Three-dimensional flow energy-saving closed impeller ) 是由 吴勇生 吴江 赵玉琼 祁志祥 于 2021-09-28 设计创作，主要内容包括：本发明公开了一种三元流节能闭式叶轮,属于叶轮技术领域,其技术方案要点包括轮盘,通过轴孔以便于与转轴连接,从而使叶轮顺利转动,通过多个叶片可起到高效摆动的作用,通过将铆钉穿过第一铆接孔和第二铆接孔,进而可连接叶轮罩和轮盘,使得叶轮罩和轮盘无法相对转动,从而对叶轮罩和轮盘起到稳定的固定,且使叶轮罩和轮盘不易松脱,再通过将限位块卡入限位槽中,通过限位槽与限位块的卡接作用,从而限制叶轮罩与轮盘产生轴向位移,通过紧固片可起到加强叶片与轴孔连接处的作用,从而提高对叶片的固定,避免其长时间的使用而断裂,通过凹槽可减轻轮盘的重量,进而减轻了叶轮的整体重量,从而降低了驱动电机的驱动功率,节约了电能。(The invention discloses a three-dimensional flow energy-saving closed impeller, which belongs to the technical field of impellers, and is characterized in that the impeller comprises a wheel disc, wherein the wheel disc is conveniently connected with a rotating shaft through a shaft hole so as to enable the impeller to smoothly rotate, a plurality of blades can effectively swing, rivets pass through a first riveting hole and a second riveting hole so as to be connected with an impeller cover and the wheel disc, so that the impeller cover and the wheel disc cannot relatively rotate, the impeller cover and the wheel disc are stably fixed and are not easy to loosen, a limiting block is clamped into a limiting groove, the axial displacement between the impeller cover and the wheel disc is limited through the clamping action of the limiting groove and the limiting block, the fastening piece can strengthen the joint of the blades and the shaft hole so as to improve the fixation of the blades, avoid the blades from being broken due to long-time use, and the weight of the wheel disc can be reduced through a groove, and the whole weight of the impeller is reduced, so that the driving power of the driving motor is reduced, and the electric energy is saved.)

1. The utility model provides an energy-conserving closed impeller of ternary flow, includes rim plate (1), its characterized in that: shaft hole (101) have been seted up to the up end of rim plate (1), the outer wall fixedly connected with of shaft hole (101) a plurality of even and be annular distribution's blade (2), it is a plurality of first riveting hole (201) and spacing groove (202) have all been seted up to the up end of blade (2), and is a plurality of spacing groove (202) all are located the one side that is close to shaft hole (101), the top of rim plate (1) is provided with impeller cover (3), the up end of impeller cover (3) runs through and sets up a plurality ofly and first riveting hole (201) assorted second riveting hole (301), the lower terminal surface of impeller cover (3) is seted up a plurality ofly and spacing groove (202) assorted stopper (302), and is a plurality of equal fixedly connected with fastening piece (4) in the junction of blade (2) and shaft hole (101).

2. The three-dimensional flow energy-saving enclosed impeller of claim 1, characterized in that: and a threaded gasket (102) is arranged on the inner wall of the shaft hole (101).

3. The three-dimensional flow energy-saving enclosed impeller of claim 1, characterized in that: rivets (303) are installed inside the second riveting holes (301), and the other ends of the rivets (303) extend into the first riveting hole (201).

4. The three-dimensional flow energy-saving enclosed impeller of claim 1, characterized in that: the lower end face of the wheel disc (1) is provided with a plurality of grooves (103) which are distributed annularly.

5. The three-dimensional flow energy-saving enclosed impeller of claim 1, characterized in that: the outer walls of the wheel disc (1) and the impeller cover (3) are plated with zinc layers.

6. The three-dimensional flow energy-saving enclosed impeller of claim 1, characterized in that: the wheel disc (1), the blades (2) and the impeller cover (3) are all made of stainless steel.

Technical Field

The invention relates to the technical field of impellers, in particular to a three-dimensional flow energy-saving closed impeller.

Background

The centrifugal water pump is the most commonly used water pump at present, and mainly comprises parts such as impeller, pump body, axle, bearing and sealed, and wherein the impeller is the most important part of determining the water pump performance, and the centrifugal pump can pump water, mainly relies on the rotation of impeller, produces the effect of centrifugal force to water.

However, the existing three-dimensional flow energy-saving closed impeller has the problems that vibration exists during the work of a centrifugal pump and looseness exists between a wheel disc and an impeller cover due to long-time use because the wheel disc and the impeller cover are not axially fixed.

Disclosure of Invention

The invention provides a three-dimensional flow energy-saving closed impeller to solve the problems.

The invention discloses a three-dimensional flow energy-saving closed impeller which comprises a wheel disc, wherein the upper end surface of the wheel disc is provided with a shaft hole, the outer wall of the shaft hole is fixedly connected with a plurality of blades which are uniformly and annularly distributed, the upper end surfaces of the plurality of blades are respectively provided with a first riveting hole and a limiting groove, the plurality of limiting grooves are respectively positioned at one side close to the shaft hole, an impeller cover is arranged above the wheel disc, the upper end surface of the impeller cover is provided with a plurality of second riveting holes matched with the first riveting holes in a penetrating manner, the lower end surface of the impeller cover is provided with a plurality of limiting blocks matched with the limiting grooves, and the joints of the plurality of blades and the shaft hole are respectively and fixedly connected with fastening pieces.

In order to improve the sealing effect, the three-dimensional flow energy-saving enclosed impeller is preferably provided with a threaded gasket on the inner wall of the shaft hole.

In order to enable the wheel disc and the impeller cover to work stably, the energy-saving closed impeller with three-dimensional flow is preferable, rivets are installed inside the second riveting holes, and the other ends of the rivets extend into the first riveting holes.

In order to save electric energy, the three-dimensional flow energy-saving closed impeller is preferably provided with a plurality of annularly distributed grooves on the lower end surface of the wheel disc.

In order to improve the oxidation resistance of the impeller, the three-dimensional flow energy-saving enclosed impeller is preferably characterized in that the outer walls of the wheel disc and the impeller cover are plated with zinc layers.

In order to make the impeller difficult to rust in the using process, the three-dimensional flow energy-saving enclosed impeller is preferably made of stainless steel by the wheel disc, the blades and the impeller cover.

Compared with the prior art, the invention has the beneficial effects that:

this kind of energy-conserving closed impeller of three dimensional flow, through the shaft hole so as to be connected with the pivot, thereby make the impeller rotate smoothly, can play high-efficient wobbling effect through a plurality of blades, through passing first riveting hole and second riveting hole with the rivet, and then joinable impeller cover and rim plate, make impeller cover and rim plate unable relative rotation, thereby play stable fixed to impeller cover and rim plate, and make impeller cover and rim plate be difficult for the pine to take off, again through going into the stopper card in the spacing groove, joint effect through spacing groove and stopper, thereby restriction impeller cover and rim plate produce axial displacement, can play the effect of strengthening blade and shaft hole junction through the fastening piece, thereby improve the fixed to the blade, avoid its long-time use and fracture.

Drawings

FIG. 1 is an overall structure diagram of a three-dimensional flow energy-saving enclosed impeller of the present invention;

FIG. 2 is a top view of the impeller shroud of the present invention;

FIG. 3 is a perspective view of the impeller shroud of the present invention;

fig. 4 is a sectional structural view of the wheel disc of the present invention.

In the figure, 1, a wheel disc; 101. a shaft hole; 102. a threaded washer; 103. a groove; 2. a blade; 201. a first riveting hole; 202. a limiting groove; 3. an impeller housing; 301. a second riveting hole; 302. a limiting block; 303. riveting; 4. and (7) fastening pieces.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an energy-conserving closed impeller of three-dimensional flow, including rim plate 1, shaft hole 101 has been seted up to the up end of rim plate 1, a plurality of even and blades 2 that are the annular and distribute of outer wall fixedly connected with of shaft hole 101, first riveting hole 201 and spacing groove 202 have all been seted up to the up end of a plurality of blades 2, a plurality of spacing grooves 202 all are located the one side that is close to shaft hole 101, the top of rim plate 1 is provided with impeller casing 3, impeller casing 3's up end runs through and sets up a plurality of and first riveting hole 201 assorted second riveting hole 301, a plurality of and spacing groove 202 assorted stopper 302 have been seted up to the lower terminal surface of impeller casing 3, the equal fixedly connected with fastening plate 4 in the junction of a plurality of blades 2 and shaft hole 101.

In this embodiment: through shaft hole 101 so as to be connected with the pivot, thereby make the impeller rotate smoothly, can play high-efficient wobbling effect through a plurality of blades 2, through passing first riveting hole 201 and second riveting hole 301 with rivet 303, and then can connect impeller cover 3 and rim plate 1, make impeller cover 3 and rim plate unable relative rotation, thereby play stable fixed to impeller cover 3 and rim plate 1, and make impeller cover 3 and rim plate difficult pine take off, again through going into spacing groove 202 with stopper 302 card, the joint effect through spacing groove 202 and stopper 302, thereby restriction impeller cover 3 and rim plate 1 produce axial displacement, can play the effect of strengthening blade 2 and shaft hole 101 junction through fastening piece 4, thereby improve the fixed to blade 2, avoid its long-time use and fracture.

As a technical optimization scheme of the invention, a threaded washer 102 is arranged on the inner wall of the shaft hole 101.

In this embodiment: the threaded washer 102 can provide better connection between the shaft hole 101 and the rotating shaft, thereby improving the sealing effect.

As a technical optimization scheme of the present invention, rivets 303 are installed inside the second riveting holes 301, and the other ends of the rivets 303 extend into the first riveting hole 201.

In this embodiment: the rivets 303 are used to fix the disk 1 and the impeller cup 3, thereby stably operating between the disk 1 and the impeller cup 3.

As a technical optimization scheme of the present invention, the lower end surface of the wheel disc 1 is provided with a plurality of annularly distributed grooves 103.

In this embodiment: the weight of the wheel disc 1 can be reduced through the groove 103, so that the whole weight of the impeller is reduced, the driving power of the driving motor is reduced, and the electric energy is saved.

As a technical optimization scheme of the invention, the outer walls of the wheel disc 1 and the impeller cover 3 are plated with zinc layers.

In this embodiment: the outer walls of the wheel disc 1 and the impeller cover 3 are plated with zinc layers, so that the oxidation resistance of the impeller can be improved, and the service life of the impeller is prolonged.

As a technical optimization scheme of the invention, the wheel disc 1, the blades 2 and the impeller cover 3 are made of stainless steel.

In this embodiment: the impeller is made of stainless steel through the wheel disc 1, the blades 2 and the impeller cover 3, so that the impeller is not easy to rust in the using process, and the service life of the impeller is prolonged.

The working principle and the using process of the invention are as follows: at first place impeller cover 3 in the top of rim plate 1, make first riveting hole 201 and second riveting hole 301 align simultaneously, stopper 302 aligns with spacing groove 202, press impeller cover 3 down subsequently, make stopper 302 get into spacing groove 202 in, thereby restriction impeller cover 3 produces axial displacement with rim plate 1, and pass first riveting hole 201 and second riveting hole 301 with rivet 303 in proper order, and then can connect impeller cover 3 and rim plate 1, make impeller cover 3 and rim plate unable relative rotation, thereby play stable fixed to impeller cover 3 and rim plate 1, and make impeller cover 3 and the difficult pine of rim plate take off.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.