Water pump impeller mechanism

Abstract

The utility model discloses a water pump impeller mechanism which comprises a transmission shaft, an impeller body is arranged outside the transmission shaft, blades are fixedly connected to the front face of the impeller body in an annular array mode, limiting strips are symmetrically connected to the ends of the outer wall of the transmission shaft, and an installation assembly is arranged between the transmission shaft and the impeller body. The mounting sleeve is slidably connected with the transmission shaft in a sleeving mode through the limiting strip, the sealing lantern ring is fixedly connected to the outer portion of the mounting sleeve in a sleeving mode, the sealing lantern ring is clamped to the back face of the impeller body, and the clamping assembly is clamped between the mounting sleeve and the impeller body. According to the utility model, the transmission shaft, the impeller main body, the fixing bolt, the limiting strip and the mounting assembly are matched for use, so that when the transmission shaft and the impeller main body are locked by the fixing bolt, the transmission shaft can drive the impeller main body to rotate through the limiting strip, the mounting sleeve and the clamping assembly, and the mounting sleeves with different inner diameters are replaced; and the impeller main body can be mounted on transmission shafts with different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of impeller, especially a water pump impeller mechanism. BACKGROUND

[0002] The water pump impeller is the core component of the water pump, and its design and performance have important influence on the overall efficiency and capacity of the water pump. The impeller is usually made of cast iron, and the blades thereon are responsible for converting the mechanical energy of the prime mover into kinetic energy and pressure energy of water, so that the impeller and the water pump shell can be used in cooperation to transport water flow.

[0003] When the impeller is installed and used, it is usually directly slid and connected to the shaft end of the water pump, and the impeller is locked by bolts, so that the shaft end of the water pump drives the impeller to rotate, which can make the impeller rotate to transport water flow.

[0004] When the impeller transports liquid, different abrasions will be caused by whether the liquid contains impurity particles. When the impeller is damaged, it needs to be replaced and maintained. Since the impeller is made of iron material, the size of the impeller inside matches the size of the water pump shaft end, so that the impeller and the water pump shaft body with different inner diameters cannot be installed, and there is a certain defect. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a water pump impeller mechanism to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a water pump impeller mechanism, comprising a transmission shaft, the outer part of the transmission shaft is provided with an impeller main body, the front surface of the impeller main body is fixedly connected with blades in an annular array;

[0007] The end part of the outer wall of the transmission shaft is symmetrically connected with a limiting strip, an installation assembly is arranged between the transmission shaft and the impeller main body, and the installation assembly comprises:

[0008] An installation sleeve is slidably sleeved with the transmission shaft through the limiting strip;

[0009] A sealing sleeve ring is fixedly sleeved on the outside of the installation sleeve, and the sealing sleeve ring is connected to the back surface of the impeller main body;

[0010] A clamping assembly is clamped between the installation sleeve and the impeller main body, and the clamping assembly is linked with the limiting strip.

[0011] Preferably, the installation assembly further comprises:

[0012] A positioning sleeve ring is fixedly sleeved on the outside of the transmission shaft, and the positioning sleeve ring is extruded and attached to the back surface of the installation sleeve.

[0013] A fixing bolt is provided on the front of the impeller body to match the fixing bolt, a mounting groove is provided on the back of the impeller body to match the mounting sleeve, and a threaded groove corresponding to the fixing bolt is provided on the end of the transmission shaft.

[0014] Preferably, the inner wall of the mounting sleeve is symmetrically provided with a sliding groove, the outer wall of the limiting strip is slidably sleeved with the inner cavity of the sliding groove, and the clamping assembly includes:

[0015] A card block, one side of the card block is fitted with the limit strip, the inner wall of the slide groove is provided with a connecting hole matching the card block, the inner wall of the installation groove is provided with a card slot, and one end of the outer wall of the card block is slidably engaged with the inner cavity of the card slot.

[0016] Preferably, a sliding hole is opened on one side of the clamping block, a limiting plate is slidably sleeved inside the sliding hole, and a return spring is symmetrically provided on the side of the limiting plate facing the limiting bar.

[0017] Preferably, a fixing rod is symmetrically fixedly connected to the interior of the sliding hole, the outer wall of the fixing rod is slidably inserted and sleeved with the limit plate, and the outer wall of the fixing rod is slidably sleeved with the return spring.

[0018] Preferably, a slot is provided on the side of the inner wall of the connecting hole, the end of the limiting plate is slidably sleeved with the slot, and connecting bolts are symmetrically provided on the side of the limiting plate facing the limiting bar, and the limiting plate is fixedly sleeved with the mounting sleeve through the connecting bolts.

[0019] Preferably, a positioning rod is fixedly connected to the side of the sealing ring facing the impeller body, a positioning groove is provided on the back side of the impeller body, and the outer wall of the positioning rod is slidably engaged with the inner cavity of the positioning groove.

[0020] The technical effects and advantages of this utility model are:

[0021] The utility model utilizes the coordinated use of a transmission shaft, an impeller body, a fixing bolt, a limiting strip and an installation assembly. The installation assembly includes a mounting sleeve, a sealing collar, a clamping assembly and a positioning collar. Therefore, when the fixing bolt locks the transmission shaft and the impeller body, the transmission shaft can drive the impeller body to rotate through the limiting strip, the mounting sleeve and the clamping assembly. By replacing mounting sleeves with different inner diameters, the impeller body can be installed on transmission shafts of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0023] Figure 2 This is a schematic diagram of the overall structure of the back side of the impeller body of the utility model.

[0024] Figure 3 This is a side view of the internal structure of the utility model.

[0025] Figure 4 For this utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0026] In the figure: 11, transmission shaft; 12, impeller body; 13, blade; 14, fixing bolt; 15, limit strip; 2, mounting assembly; 21, mounting sleeve; 22, sealing collar; 23, clamping assembly; 231, clamping block; 232, limit plate; 233, return spring; 234, sliding hole; 235, fixing rod; 236, connecting bolt; 24, positioning collar; 25, positioning rod. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] The utility model provides Figure 1-4 The water pump impeller mechanism shown includes a transmission shaft 11, an impeller body 12 is provided on the outside of the transmission shaft 11, and blades 13 are fixedly connected to the front of the impeller body 12 in an annular array. The ends of the outer wall of the transmission shaft 11 are symmetrically connected to the limit strips 15. A mounting assembly 2 is provided between the transmission shaft 11 and the impeller body 12. The mounting assembly 2 includes a mounting sleeve 21, a sealing ring 22 and a clamping assembly 23. The mounting sleeve 21 is slidably sleeved with the transmission shaft 11 through the limit strip 15. The transmission shaft 11 can be docked with the impeller body 12 through the mounting sleeve 21. By replacing the mounting sleeves 21 with different inner diameters, the impeller body 12 can be installed on transmission shafts 11 with different diameters. The sealing ring 22 is fixedly sleeved on the outside of the mounting sleeve 21. The sealing ring 22 is clamped on the back side of the impeller body 12, and the sealing ring 22 is fixedly connected to the side facing the impeller body 12 with a positioning rod 25. A positioning groove is provided on the back side of the impeller body 12, and the outer wall of the positioning rod 25 is slidably clamped with the inner cavity of the positioning groove. The sealing ring 22 can improve the sealing between the mounting sleeve 21 and the impeller body 12, and under the action of the positioning rod 25, the mounting sleeve 21, the sealing ring 22 and the impeller body 12 can be made to rotate synchronously, so that the transmission shaft 11 drives the mounting sleeve 21 to rotate synchronously through the limit bar 15, and the mounting sleeve 21 can drive the impeller body 12 to rotate synchronously, and the clamping component 23 is clamped between the mounting sleeve 21 and the impeller body 12, and the clamping component 23 forms a linkage with the limit bar 15.

[0029] Specifically, the mounting assembly 2 further comprises a positioning collar 24 and a fixing bolt 14, the positioning collar 24 is fixedly sleeved on the outside of the transmission shaft 11, the positioning collar 24 is in extrusion fit with the back surface of the mounting sleeve 21, the front surface of the impeller body 12 is provided with a through hole matched with the fixing bolt 14, the back surface of the impeller body 12 is provided with a mounting groove matched with the mounting sleeve 21, and the end of the transmission shaft 11 is provided with a threaded groove corresponding to the fixing bolt 14. When the fixing bolt 14 is connected through the threaded groove at the end of the transmission shaft 11 from the front surface of the impeller body 12, and under the limitation of the positioning collar 24, the transmission shaft 11, the mounting sleeve 21 and the impeller body 12 can be kept in a stable assembled state.

[0030] Especially, the inner wall of the mounting sleeve 21 is symmetrically provided with a sliding groove, the outer wall of the limiting strip 15 is in sliding sleeve connection with the inner cavity of the sliding groove, the clamping assembly 23 comprises a clamping block 231, one side of the clamping block 231 is in fit with the limiting strip 15, the inner wall of the sliding groove is provided with a connecting hole matched with the clamping block 231, the inner wall of the mounting groove is provided with a clamping groove, one end of the outer wall of the clamping block 231 is in sliding clamping with the inner cavity of the clamping groove, one side of the clamping block 231 is provided with a sliding hole 234, the sliding hole 234 is in sliding sleeve connection with a limiting plate 232 inside, and one side of the limiting plate 232 towards the limiting strip 15 is symmetrically provided with a return spring 233. Under the action of the clamping block 231, the stability of the butt joint installation of the mounting sleeve 21 and the impeller body 12 can be improved, and under the extrusion limitation of the limiting strip 15 and with the rotation of the mounting sleeve 21 and the impeller body 12, the clamping block 231 can be clamped between the mounting sleeve 21 and the impeller body 12 in a stable state under the action of centrifugal force.

[0031] Further, the inside of the sliding hole 234 is fixedly connected with a fixing rod 235 in symmetry, the outer wall of the fixing rod 235 is in sliding through sleeve connection with the limiting plate 232, and the outer wall of the fixing rod 235 is in sliding sleeve connection with the return spring 233. When the impeller body 12 and the transmission shaft 11 are disassembled, the return spring 233 can give the clamping block 231 an elastic force towards the axis of the mounting sleeve 21, so that the clamping block 231 is separated from the impeller body 12, so that the mounting sleeve 21 inside the impeller body 12 can be disassembled, the side of the inner wall of the connecting hole is provided with a slot, the end of the limiting plate 232 is in sliding sleeve connection with the slot, and one side of the limiting plate 232 towards the limiting strip 15 is symmetrically provided with a connecting bolt 236. The limiting plate 232 is fixedly sleeved with the mounting sleeve 21 through the connecting bolt 236. When the connecting bolt 236 is disassembled, the clamping block 231 can be disassembled or installed from the inside of the mounting sleeve 21.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A water pump impeller mechanism, comprising a transmission shaft (11), an impeller body (12) disposed outside the transmission shaft (11), and blades (13) fixedly connected to the front of the impeller body (12) in an annular array; It is characterized by: The end of the outer wall of the transmission shaft (11) is symmetrically connected to a limit strip (15), and a mounting assembly (2) is provided between the transmission shaft (11) and the impeller body (12), and the mounting assembly (2) comprises: An installation sleeve (21), wherein the installation sleeve (21) is slidably sleeved with the transmission shaft (11) via a limiting strip (15); A sealing collar (22), wherein the sealing collar (22) is fixedly sleeved on the outside of the mounting sleeve (21), and the sealing collar (22) is clamped on the back side of the impeller body (12); A clamping assembly (23) is clamped between the mounting sleeve (21) and the impeller body (12), and the clamping assembly (23) forms a linkage with the limiting strip (15).

2. A water pump impeller mechanism according to claim 1, characterized in that: The installation component (2) further comprises: A positioning collar (24), wherein the positioning collar (24) is fixedly sleeved on the outside of the transmission shaft (11), and the positioning collar (24) is pressed and fitted with the back surface of the mounting sleeve (21); A fixing bolt (14), a through hole matching the fixing bolt (14) is provided on the front of the impeller body (12), a mounting groove matching the mounting sleeve (21) is provided on the back of the impeller body (12), and a threaded groove corresponding to the fixing bolt (14) is provided at the end of the transmission shaft (11).

3. A water pump impeller mechanism according to claim 2, characterized in that: The inner wall of the installation sleeve (21) is symmetrically provided with a sliding groove, the outer wall of the limiting strip (15) is slidably sleeved with the inner cavity of the sliding groove, and the clamping assembly (23) includes: A clamping block (231), one side of the clamping block (231) is in contact with the limiting strip (15), the inner wall of the slide groove is provided with a connecting hole matching the clamping block (231), the inner wall of the installation groove is provided with a clamping groove, and one end of the outer wall of the clamping block (231) is slidably clamped with the inner cavity of the clamping groove.

4. A water pump impeller mechanism according to claim 3, characterized in that: A sliding hole (234) is provided on one side of the clamping block (231), and a limiting plate (232) is slidably sleeved inside the sliding hole (234). A return spring (233) is symmetrically provided on one side of the limiting plate (232) facing the limiting strip (15).

5. A water pump impeller mechanism according to claim 4, characterized in that: A fixing rod (235) is symmetrically fixedly connected to the interior of the sliding hole (234), and the outer wall of the fixing rod (235) is slidably inserted and sleeved with the limiting plate (232), and the outer wall of the fixing rod (235) is slidably sleeved with the return spring (233).

6. A water pump impeller mechanism according to claim 5, characterized in that: A slot is provided on the side of the inner wall of the connection hole, and the end of the limiting plate (232) is slidably sleeved with the slot. A connecting bolt (236) is symmetrically provided on one side of the limiting plate (232) facing the limiting bar (15), and the limiting plate (232) is fixedly sleeved with the mounting sleeve (21) via the connecting bolt (236).

7. The water pump impeller mechanism according to claim 1, characterized in that: A positioning rod (25) is fixedly connected to the side of the sealing ring (22) facing the impeller body (12), a positioning groove is provided on the back of the impeller body (12), and the outer wall of the positioning rod (25) is slidably engaged with the inner cavity of the positioning groove.

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