High-strength pump blade guide wheel

Abstract

The utility model relates to a high-strength pump vane guide wheel which comprises a cylindrical wheel body and a plurality of vanes located in the circumferential direction of the wheel body, a key groove is formed in the wheel body, the high-strength pump vane guide wheel further comprises a ring body, the vanes and the ring body are integrally formed, and the ring body is detachably connected with the wheel body. According to the high-strength pump blade guide wheel, compared with stress of a single blade, stress of the whole ring body is changed, and therefore the situation that the connecting positions of the blades and the ring body are loosened or even disengaged is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump vane guide wheel especially relates to high strength pump vane guide wheel. BACKGROUND

[0002] Pump vane guide wheel, usually refers to the centrifugal pump or similar fluid machinery part assembly, it mainly comprises hub and fixed on several blades, pump vane guide wheel is the heart part of pump, is responsible for the mechanical energy conversion into fluid kinetic energy and pressure energy, specifically, when pump works, motor or other driving device drives vane guide wheel to rotate, and the rotating blade exerts force to the fluid passing through it, so that the fluid obtains speed, and converts speed energy into pressure energy in the pump shell, so as to realize the delivery of fluid.

[0003] Since the blade is installed on the hub respectively, the connecting part can become the weak point in the structure, especially under high pressure or high speed rotation, after a period of use, due to material fatigue, corrosion or improper operation, the connecting part between the blade and the center wheel may be loose or even fall off, and each blade needs to be accurately positioned and fixed on the center wheel, which increases the complexity of the manufacturing and assembly process.

[0004] Therefore, how to improve the connection strength of pump vane guide wheel blade, so as to prolong the service life of pump vane guide wheel, becomes the problem to be solved by the person skilled in the art. SUMMARY

[0005] In view of the deficiencies in the prior art, the utility model aims at providing a high-strength pump vane guide wheel, which reduces the occurrence of loose or even falling off of the connecting position of the blade and the ring body by changing the stress of a single blade to the stress of the entire ring body.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a wheel body in the form of a cylinder and a plurality of blades located circumferentially on the wheel body, the wheel body is provided with a key groove, further comprising a ring body, each blade is integrally formed with the ring body, and the ring body is detachably connected with the wheel body.

[0007] The utility model is further provided as follows: further comprising an upper matching ring located on the ring body and a lower matching ring located below the wheel body, the bottom of the upper matching ring is in abutment with the top of the wheel body and detachably connected with the wheel body, and the lower matching ring is detachably connected with the ring body.

[0008] The utility model further sets up: the upper cooperation ring is downwards protruding and is provided with a plurality of cooperation piece made of easy deformation material and each cooperation piece is arranged along the circumference of the upper cooperation ring, the wheel body is provided with cooperation groove corresponding each cooperation piece, each cooperation piece includes the plug -in segment and the limiting section, each limiting section is located below the corresponding plug -in segment and the width is greater than the corresponding plug -in segment, each cooperation piece still includes the limiting slot located above the limiting section, the wheel body is located in each cooperation groove and is provided with the limiting plug -in block located in the corresponding limiting slot and the bottom is abutted with the corresponding limiting section.

[0009] The utility model further sets up: each limiting section includes the guide surface of inside, each guide surface is from top to bottom and is inclined and is arranged from inside to outside.

[0010] The utility model further sets up: the cross section of the upper cooperation ring is triangular and is arranged to be narrow on the top and wide on the bottom.

[0011] The utility model further sets up: the lower cooperation ring includes the limiting disc located below the wheel body and the bonding segment located below the limiting disc and is attached with the inside of the wheel body, the bonding segment is detachably connected with the ring body.

[0012] The utility model further sets up: the bonding segment is made of easy deformation material and the ring body is protruding and is provided with a plurality of positioning plug -in blocks along the circumference, the bonding segment is provided with positioning slot corresponding each positioning plug -in block, each positioning plug -in block is arranged to be wide on the inside and the outside.

[0013] By adopting the above technical scheme, since each blade is integrally formed with the ring body, compared with the blades installed on the wheel body one by one, the strength of the blade and the connecting part between the blade and the ring body can be significantly improved, the weak point problem caused by the separate installation of each blade is reduced, the risk of part loosening or damage caused by factors such as vibration and impact is reduced, the stability and reliability of the whole pump blade guide wheel under high pressure and high speed working conditions are enhanced, and since the ring body and the wheel body are detachably connected, when maintenance or replacement is needed, only the damaged parts (such as the ring body and the blade) need to be replaced, without replacing the whole assembly, the cost is saved. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0015] Figure 1 It is the assembly drawing of the specific embodiment of the utility model;

[0016] Figure 2 isometric view of the utility model from the front view;

[0017] Figure 3 isometric view of the utility model from the bottom view;

[0018] Figure 4 sectional view of the utility model;

[0019] Figure 5 is Figure 4 enlarged view of A in the middle;

[0020] Figure 6 is Figure 4 enlarged view of B in the middle.

[0021] In the drawing: 1-wheel body, 11-key groove, 12-matching groove, 13-limiting plug block;

[0022] 2-ring body, 21-blade, 22-positioning plug block;

[0023] 3-upper matching ring, 31-matching piece, 311-inserting section, 312-limiting section, 3121-guiding surface, 313-limiting groove;

[0024] 4-lower matching ring, 41-limiting disc, 42-adhesion section, 43-positioning plug groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] As Figures 1-6The utility model discloses high -strength pump vane guide wheel, including the wheel body 1 that is set up the cylinder and the several blades 21 of the wheel body 1 periphery, the key groove 11 for with the shaft key connection is set up in the wheel body 1, when the pump works, the motor or other drive arrangement drives the shaft rotation and drives the vane guide wheel rotation, and the blade 21 of rotation exerts force to the fluid passing through it, makes the fluid in the pump shell converts speed energy into pressure energy, thereby realizes the delivery of fluid (this is prior art, here does not make specific elaboration), still including ring body 2, each blade 21 is integrally formed with ring body 2, ring body 2 and wheel body 1 are detachably connected through buckling, bolt etc., since each blade 21 is integrally formed with ring body 2, therefore compared with the blade 21 that is installed on the wheel body 1 one by one, can significantly improve the strength of blade 21 and the connecting place thereof with ring body 2, reduced the weak point problem that each blade 21 installs alone possibly brings, and reduced the risk of component loosening or damage due to vibration, impact etc., enhanced the stability and reliability of entire pump vane guide wheel under high pressure, high -speed working condition, and since ring body 2 and wheel body 1 are detachably connected, when needing to maintain or replace, only need to replace the damaged part (such as ring body 2 and blade 21), without needing to replace the whole assembly, this saves the cost.

[0027] Wherein, still including the upper cooperation ring 3 on ring body 2 and the lower cooperation ring 4 below the wheel body 1, the bottom of upper cooperation ring 3 is with the top of wheel body 1 and is detachably connected with wheel body 1 through buckling, bolt etc., the lower cooperation ring 4 is detachably connected with ring body 2 through buckling, bolt etc., since upper cooperation ring 3 is above wheel body 1 and is detachably connected with wheel body 1 and the lower cooperation ring 4 is below wheel body 1 and is detachable with ring body 2, therefore installs ring body 2 together with wheel body 1 after this, in the use process of pump body, with the high -speed rotation of shaft can drive wheel body 1 rotation and drive ring body 2 and the blade 21 on ring body 2 can carry out synchronous rotation, simultaneously upper cooperation ring 3, lower cooperation ring 4 can separate with ring body 2 and thus provide the convenience for ring body 2 to be loaded to wheel body 1, simultaneously upper cooperation ring 3 and lower cooperation ring 4 make wheel body 1 unable to move up and down in ring body 2 and provide the convenience for the fixation of both.

[0028] The upper cooperation ring 3 is provided with a plurality of cooperation pieces 31 made of rubber or other easily deformed materials and arranged along the circumferential direction of the upper cooperation ring 3, the wheel body 1 is provided with a cooperation groove 12 corresponding to each cooperation piece 31, each cooperation piece 31 comprises an insertion section 311 and a limiting section 312, each limiting section 312 is located below the corresponding insertion section 311 and has a width greater than that of the corresponding insertion section 311, each cooperation piece 31 further comprises a limiting groove 313 located above the limiting section 312, the wheel body 1 is provided with a limiting plug 13 located in the corresponding limiting groove 313 and abutting against the corresponding limiting section 312 in each cooperation groove 12, since the limiting section 312 of each cooperation piece 31 has a width greater than that of the corresponding insertion section 311, when the wheel body 1 is assembled into the ring body 2, the wheel body 1 needs to enter from below the upper cooperation ring 3 due to the existence of the upper cooperation ring 3, and as the wheel body 1 is assembled, each cooperation piece 31 on the upper cooperation ring 3 can be aligned with the corresponding cooperation groove 12 and gradually approach, since the limiting section 312 of each cooperation piece 31 is firstly inserted into the cooperation groove 12, each limiting section 312 needs to forcibly pass through the corresponding limiting plug 13, so that each limiting plug 13 is located in the corresponding limiting groove 313 and each limiting plug 13 is located above the corresponding limiting section 312, after the lower cooperation ring 4 is assembled from the bottom of the wheel body 1 and the ring body 2 to complete the connection with the wheel body 1, the wheel body 1 cannot move downward due to the existence of the lower cooperation ring 4, and the wheel body 1 cannot move upward due to the limitation of the upper cooperation ring 3 and can be stably connected with the upper cooperation ring 3, therefore, under the action of no external force, the upper cooperation ring 3 and the lower cooperation ring 4 are located on the upper and lower sides of the wheel body 1 respectively, so that the wheel body 1 can be stably connected with the ring body 2, when the wheel body 1 and the ring body 2 need to be separated, the lower cooperation ring 4 needs to be removed first, and then a downward force is applied to the wheel body 1 or an upward force is applied to the upper cooperation ring 3, so that the limiting section 312 of each cooperation piece 31 passes through the corresponding limiting plug 13 upward, and the upper cooperation ring 3 can be separated from the wheel body 1, and then the wheel body 1 is removed.

[0029] Preferably, each limiting section 312 comprises an inner guide surface 3121, each guide surface 3121 is inclined from inside to outside from top to bottom, since the inner side of each limiting section 312 is inclined, during the connection of the upper cooperation ring 3 and the wheel body 1, the bottom of each cooperation piece 31, i.e. the limiting section 312, will firstly enter into the corresponding cooperation groove 12, at this time, the inclined guide surface 3121 can make each limiting section 312 more efficiently and conveniently align with the corresponding cooperation groove 12, and then complete the connection and fixation of the upper limiting ring and the wheel body 1.

[0030] Preferably, the upper matching ring 3 is in the shape of a triangle with the top narrow and the bottom wide, so that the bottom of the upper matching ring 3 can be stably matched with the wheel body 1, and the wheel body 1 is difficult to pass over the upper matching ring 3 and be stably positioned below the upper matching ring 3 without external force.

[0031] In addition, the lower matching ring 4 comprises a limiting disc 41 below the wheel body 1 and a matching section 42 below the limiting disc 41 and matched with the inside of the wheel body 1, the matching section 42 is detachably connected with the ring body 2, the matching section 42 is matched with the inside of the wheel body 1, and the limiting disc 41 is below the wheel body 1, so that the limiting disc 41 supports the bottom of the wheel body 1 without external force, ensuring the close connection between the lower matching ring 4 and the wheel body 1 and increasing the stability of the whole pump vane guide wheel.

[0032] The matching section 42 is made of rubber or other materials that can easily deform, and the ring body 2 is circumferentially provided with a plurality of positioning blocks 22, the matching section 42 is provided with a positioning slot 43 corresponding to each positioning block 22, and each positioning block 22 is in the shape of a ladder with the inside wider than the outside, so that after the wheel body 1 is installed below the upper matching ring 3, the lower matching ring 4 is installed below the wheel body 1, the matching section 42 deforms inwardly, the positioning blocks 22 are aligned with the corresponding positioning slots 43, and the positioning blocks 22 enter the corresponding positioning slots 43 to connect the lower matching section with the wheel body 1, and the positioning blocks 22 are separated from the corresponding positioning slots 43 by applying an inward force to the matching section 42 to take out the lower matching ring 4, and the ring body 2 is detached by separating the wheel body 1 from the upper matching ring 3.

[0033] The above description of disclosed embodiments enables those skilled in the art to carry out or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-strength pump impeller, comprising a cylindrical impeller body and a plurality of blades located circumferentially around the impeller body, wherein a keyway is provided within the impeller body, characterized in that: It also includes a ring body, and each blade is integrally formed with the ring body. The ring body and the wheel body are detachably connected. It also includes an upper mating ring located on the ring body and a lower mating ring located below the wheel body. The bottom of the upper mating ring abuts against the top of the wheel body and is detachably connected to the wheel body. The lower mating ring is detachably connected to the ring body.

2. The high-strength pump impeller guide wheel according to claim 1, characterized in that: The upper mating ring protrudes downwards and has several mating parts made of a material that is prone to deformation. The mating parts are arranged at intervals along the circumference of the upper mating ring. The wheel body is provided with mating grooves corresponding to each mating part. Each mating part includes an insertion section and a limiting section. Each limiting section is located below the corresponding insertion section and its width is greater than that of the corresponding insertion section. Each mating part also includes a limiting groove located above the limiting section. The wheel body is provided with a limiting block located in the corresponding limiting groove and whose bottom abuts against the corresponding limiting section.

3. The high-strength pump impeller guide wheel according to claim 2, characterized in that: Each limiting segment includes an inner guide surface, and each guide surface is inclined from the inside out from top to bottom.

4. The high-strength pump impeller guide wheel according to claim 1, characterized in that: The cross-section of the upper mating ring is a triangle that is narrower at the top and wider at the bottom.

5. The high-strength pump impeller guide wheel according to claim 1, characterized in that: The lower mating ring includes a limiting plate located below the wheel body and a fitting section located below the limiting plate and fitting inside the wheel body, wherein the fitting section is detachably connected to the ring body.

6. The high-strength pump impeller guide wheel according to claim 5, characterized in that: The bonding section is made of a material that is prone to deformation and has a number of positioning blocks protruding along the circumference of the ring. The bonding section is provided with a positioning slot for each positioning block, and each positioning block is arranged in a trapezoidal shape with an inner side wider than the outer side.

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