Impeller of fluorine-lined axial flow pump

Abstract

The utility model relates to the technical field of axial flow pumps, in particular to an impeller of a fluorine-lined axial flow pump, which comprises an impeller body, and a protection mechanism is arranged on the outer wall of the impeller body. The protection mechanism comprises connecting blocks fixedly connected to the two sides of the outer walls of blades of the impeller body, positioning pins are slidably connected to the interiors of the connecting blocks, protection plates are fixedly connected to the outer walls of the positioning pins and the outer walls of the connecting blocks, and sealing gaskets are fixedly connected to the outer walls of the protection plates and the sides, close to the impeller body, of the protection plates. According to the impeller of the fluorine-lined axial flow pump, the protection mechanism in the impeller is used for protecting the blades, and the problems that when an existing impeller is used, the blades of the impeller are abraded due to friction with sundries in fluid, and the impeller is damaged are solved. The whole impeller needs to be replaced when the abraded blades are replaced, and the replacement cost is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of axial flow pump, concretely is a kind of impeller of fluorine-lined axial flow pump. BACKGROUND

[0002] Impeller is the structure for driving fluid flow in fluorine-lined axial flow pump, but the existing impeller still has shortcomings, specifically: the existing impeller when using, impeller blade can be worn due to the friction with the sundries in fluid, and replacement worn blade needs to replace the whole impeller, and replacement cost is higher.

[0003] Therefore, there is an impeller of fluorine-lined axial flow pump to solve the problems presented in the above background. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an impeller of fluorine-lined axial flow pump to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An impeller of fluorine-lined axial flow pump, including impeller body, the outer wall of the impeller body is provided with protection mechanism;

[0007] The protection mechanism includes the connecting block fixedly connected on the both sides of the outer wall of impeller body blade, the inside of the connecting block is slidably connected with the positioning pin, the outer wall of the positioning pin and the outer wall of the connecting block are fixedly connected with the protection plate, the outer wall of the protection plate and the side close to the impeller body are fixedly connected with the sealing gasket, the front, back and both sides of the inside center of the positioning pin are slidably connected with the clamping block, the outer wall of the clamping block and the inside of the positioning pin are fixedly connected with the reset spring, the outer wall of the clamping block and the position close to the reset spring are slidably connected with the extrusion block, the outer wall of the extrusion block and the side away from the clamping block are rotatably connected with the adjusting screw, the outer wall of the adjusting screw is fixedly connected with the rotating plate, and the outer wall of the rotating plate is fixedly connected with the sealing ring.

[0008] As the preferred scheme of the utility model, the protection mechanism is provided with multiple groups.

[0009] As the preferred scheme of the utility model, the connecting block, the positioning pin, the clamping block and the rotating plate are all made of aluminum alloy, the connecting block, the positioning pin, the extrusion block and the adjusting screw are all provided with four groups, and the reset spring and the positioning pin are fixedly connected.

[0010] As the preferred scheme of the utility model, the protection plate and the rotating plate are all made of ABS plastic, the shape of the protection plate is matched with the shape of the blade of the impeller body, and the connecting mode of the clamping block and the connecting block and the extrusion block and the positioning pin is all sliding connection.

[0011] As the preferred scheme of the utility model, the sealing ring and the sealing gasket are made of silica gel, the clamping blocks and the return springs are provided in multiple groups, the adjusting screw rod penetrates the positioning pin and extends into the protection plate, and the adjusting screw rod and the positioning pin are connected in a rotary connection mode.

[0012] As the preferred scheme of the utility model, the clamping block penetrates the positioning pin and extends into the connecting block, and the adjusting screw rod and the protection plate are connected in a threaded connection mode.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、In the utility model, the protection mechanism in the device is used to protect the blades, the protection plate on the outer wall of the impeller body can protect the blades when the impeller body contacts with the fluid, the blades cannot rub against the impurities in the fluid, and the blades of the impeller body are not easy to be damaged; when the protection plate is damaged, the impeller body is taken out from the axial flow pump, the rotating plate in the damaged protection plate is rotated, the rotating rotating plate drives the adjusting screw rod to rotate out of the protection plate, the rotating-out adjusting screw rod drives the extrusion block to move outward, the outward-moving extrusion block no longer abuts against the clamping block, the return spring drives the clamping block to move inward, the inward-moving clamping block enters the positioning pin, the clamping block no longer clamps the protection plate, and the damaged protection plate is taken off from the blades of the impeller body, so that the damaged protection plate can be replaced, the entire impeller body does not need to be replaced, the problem that the blades of the existing impeller are abraded due to rubbing against the impurities in the fluid during use, the entire impeller needs to be replaced when the abraded blades are replaced, and the replacement cost is high is solved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a partial top view sectional view of the utility model;

[0017] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is an enlarged view of A in the utility model.

[0018] In the drawing: 1, impeller body; 2, protection mechanism; 201, connecting block; 202, positioning pin; 203, protection plate; 204, sealing gasket; 205, clamping block; 206, return spring; 207, extrusion block; 208, adjusting screw rod; 209, rotating plate; 210, sealing ring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0020] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, several embodiments of the present application are given, however, the present application can be realized in many different forms and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or intervening elements can also be present. When an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar terms as used herein are for the purpose of illustration only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The use of the terms "and / or" includes a combination of one or more of the associated listed items.

[0023] Embodiments, please refer to Figures 1-3 The present application provides a technical solution:

[0024] A kind of impeller of fluorine-lined axial flow pump, including impeller body 1, the outer wall of impeller body 1 is provided with protection mechanism 2;

[0025] Wherein protection mechanism 2 is provided with multiple groups;

[0026] In this embodiment, reference is made to Figure 2 And Figure 3The protection mechanism 2 comprises a connecting block 201 fixedly connected on both sides of the outer wall of the blade of the impeller body 1, a positioning pin 202 slidably connected in the connecting block 201, a protection plate 203 fixedly connected on the outer wall of the positioning pin 202 and the outer wall of the connecting block 201, a sealing gasket 204 fixedly connected on the outer wall of the protection plate 203 and close to one side of the impeller body 1, a clamping block 205 slidably connected on the front surface, the back surface and both sides of the inner center of the positioning pin 202, a return spring 206 fixedly connected on the outer wall of the clamping block 205 and in the positioning pin 202, an extrusion block 207 slidably connected on the outer wall of the clamping block 205 and close to the position of the return spring 206, an adjusting screw 208 rotatably connected on the outer wall of the extrusion block 207 and away from one side of the clamping block 205, a rotating plate 209 fixedly connected on the outer wall of the adjusting screw 208, and a sealing ring 210 fixedly connected on the outer wall of the rotating plate 209.

[0027] The connecting block 201, the positioning pin 202, the clamping block 205 and the rotating plate 209 are all made of aluminum alloy, the connecting block 201, the positioning pin 202, the extrusion block 207 and the adjusting screw 208 are all provided with four groups, the connecting mode of the reset spring 206 and the positioning pin 202 is fixed connection, the protection plate 203 and the rotating plate 209 are both made of ABS plastic, the shape of the protection plate 203 is matched with the shape of the blade of the impeller body 1, the connecting mode of the clamping block 205 and the connecting block 201 and the extrusion block 207 and the positioning pin 202 is sliding connection, the sealing ring 210 and the sealing gasket 204 are both made of silica gel, the clamping block 205 and the reset spring 206 are both provided with multiple groups, the adjusting screw 208 penetrates through the positioning pin 202 and extends into the protection plate 203, the connecting mode of the adjusting screw 208 and the positioning pin 202 is rotating connection, the clamping block 205 penetrates through the positioning pin 202 and extends into the connecting block 201, the connecting mode of the adjusting screw 208 and the protection plate 203 is screw connection, when the protection plate 203 is damaged, the impeller body 1 is taken out from the axial flow pump, the rotating plate 209 in the damaged protection plate 203 is rotated, the rotating rotating plate 209 drives the adjusting screw 208 to rotate out of the protection plate 203, the rotated adjusting screw 208 drives the extrusion block 207 to move outward, the outward moving extrusion block 207 no longer abuts against the clamping block 205, the reset spring 206 drives the clamping block 205 to move inward, the inward moving clamping block 205 will enter the positioning pin 202, the clamping block 205 no longer clamps the protection plate 203, the damaged protection plate 203 is taken off from the blade of the impeller body 1, and then a new protection plate 203 is placed on the blade of the impeller body 1, the connecting block 201 is inserted into the protection plate 203, the rotating plate 209 is reversely rotated, the reversely rotating rotating plate 209 drives the adjusting screw 208 to rotate into the protection plate 203, the rotated adjusting screw 208 drives the extrusion block 207 to move inward, the inward moving extrusion block 207 drives the clamping block 205 to move outward, the outward moving clamping block 205 is inserted into the connecting block 201, the clamping block 205 clamps the connecting block 201, the protection plate 203 is installed on the outer wall of the blade of the impeller body 1, the damaged protection plate 203 is replaced one by one through repeated operation, and after the replacement is completed, the impeller body 1 is reinstalled into the axial flow pump.

[0028] The working process of this utility model is as follows: When using the impeller of the fluoropolymer-lined axial flow pump designed in this scheme, the impeller body 1 is installed inside the axial flow pump. When the impeller body 1 comes into contact with the fluid, the protective plate 203 on the outer wall of the impeller body 1 protects the blades, preventing the blades from rubbing against impurities in the fluid. The blades of the impeller body 1 are not easily damaged. When the protective plate 203 is damaged, the impeller body 1 is removed from the axial flow pump. The rotating plate 209 inside the damaged protective plate 203 is rotated. The rotating plate 209 drives the adjusting screw 208 to unscrew from inside the protective plate 203. The unscrewed adjusting screw 208 drives the squeezing block 207 to move outward. The outwardly moving squeezing block 207 no longer abuts against the locking block 205. The return spring 206 drives the locking block 205 to move inward. The inwardly moving locking block 205 enters the positioning pin 202. The locking block 205 no longer holds the protective plate 203. The damaged protective plate 203 is removed from the blades of the impeller body 1, and a new protective plate 203 is placed on the blades of the impeller body 1. The connecting block 201 is inserted into the protective plate 203. The rotating plate 209 is rotated in the opposite direction. The rotating plate 209 drives the adjusting screw 208 to screw into the protective plate 203. The screwed-in adjusting screw 208 will push the pressing block 207 to move inward. The pressing block 207 moving inward will push the locking block 205 to move outward. The locking block 205 moving outward will insert into the connecting block 201. The locking block 205 will hold the connecting block 201. The protective plate 203 is installed on the outer wall of the blades of the impeller body 1. The operation is repeated to replace the damaged protective plates 203 one by one. After the replacement is completed, the impeller body 1 is reinstalled into the axial flow pump.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fluorine-lining axial flow pump impeller comprising an impeller body (1), characterized in that: The outer wall of the impeller body (1) is provided with a protection mechanism (2); The protection mechanism (2) comprises a connecting block (201) fixedly connected on both sides of the outer wall of the blade of the impeller body (1), a positioning pin (202) slidably connected in the connecting block (201), a protection plate (203) fixedly connected to the outer wall of the positioning pin (202) and on the outer wall of the connecting block (201), a sealing gasket (204) fixedly connected to the outer wall of the protection plate (203) and on the side close to the impeller body (1), a clamping block (205) slidably connected to the front, back and both sides of the center of the positioning pin (202), a return spring (206) fixedly connected to the outer wall of the clamping block (205) and in the positioning pin (202), an extrusion block (207) slidably connected to the outer wall of the clamping block (205) and at the position close to the return spring (206), an adjusting screw (208) rotatably connected to the outer wall of the extrusion block (207) and on the side away from the clamping block (205), a rotating plate (209) fixedly connected to the outer wall of the adjusting screw (208), and a sealing ring (210) fixedly connected to the outer wall of the rotating plate (209).

2. A liner-equipped axial flow pump impeller according to claim 1, characterized in that: The protection mechanism (2) is provided with multiple groups.

3. A bushed impeller for a canned axial flow pump according to claim 1, wherein: The connecting block (201), the positioning pin (202), the clamping block (205) and the rotating plate (209) are all made of aluminum alloy, the connecting block (201), the positioning pin (202), the extrusion block (207) and the adjusting screw (208) are all provided with four groups, and the return spring (206) and the positioning pin (202) are fixedly connected.

4. A bushed impeller for a canned axial flow pump according to claim 1, wherein: The protection plate (203) and the rotating plate (209) are both made of ABS plastic, the shape of the protection plate (203) is matched with the shape of the blade of the impeller body (1), and the clamping block (205), the connecting block (201), the extrusion block (207) and the positioning pin (202) are all slidably connected.

5. A bushed impeller for a canned axial flow pump according to claim 1, wherein: The sealing ring (210) and the sealing gasket (204) are both made of silica gel, the clamping block (205) and the return spring (206) are provided with multiple groups, the adjusting screw (208) penetrates through the positioning pin (202) and extends into the protection plate (203), and the adjusting screw (208) and the positioning pin (202) are rotatably connected.

6. A bushed impeller for a canned axial flow pump according to claim 1, wherein: The clamping block (205) penetrates through the positioning pin (202) and extends into the connecting block (201), and the adjusting screw (208) and the protection plate (203) are screwedly connected.

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