A copper impeller for a water pump
By designing the removable cover structure and fixtures, the problem of difficulty in cleaning the internal cleaning of the water pump impeller is solved, convenient cleaning of the impeller and separate replacement of the blades are achieved, and the maintenance efficiency of the equipment and the reduction of replacement costs are improved.
Patent Information
- Application Number
- CN202421162064.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-05-27
AI Technical Summary
When cleaning the internal cleaning of the existing water pump impeller, due to the cover plate and the arcuate structure of the blades, it is difficult to effectively clean, especially when impurities remain or are blocked.
A water pump copper impeller is designed, adopting a removable first cover plate and a second cover plate structure, and the blade is fixed to the first cover plate through a first fixing member, and the removable connection between the first cover plate and the second cover plate is realized through the second fixing member, so as to facilitate cleaning of the inside of the impeller.
Convenient cleaning of the impeller inside is achieved, the first cover plate can be removed separately, the gap between the blades can be cleaned, and the blades can be replaced separately when they are damaged, reducing the replacement cost.
Smart Images
Figure CN222702220U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of water pump accessories, and in particular to a water pump copper impeller. Background Art
[0002] The water pump impeller is the core component of the water pump, which is used to convert the mechanical energy of the prime mover into the kinetic energy of the liquid, thereby realizing the transportation of the liquid.
[0003] Water pump impellers can be divided into closed impellers, semi-open impellers and open impellers according to their shapes. The closed impeller has the highest efficiency and the open impeller has the lowest efficiency. The closed impeller includes a front cover plate, a rear cover plate and blades fixed between the two cover plates. It usually adopts an integrated design. Although this design has a stable structure, after long-term practical use, when there are impurities left in the impeller or it is blocked, it is difficult to clean the inside of the impeller due to the obstruction of the two cover plates and the arc structure of the blades. Utility Model Content
[0004] In order to facilitate cleaning of the inside of an impeller, the present application provides a water pump copper impeller.
[0005] The present application provides a water pump copper impeller, which adopts the following technical solution:
[0006] A copper impeller for a water pump comprises a first cover plate, a second cover plate and blades arranged between the first cover plate and the second cover plate, wherein a plurality of blades are arranged along the circumference of the first cover plate, and further comprises a first fixing member for fixing the blades to the first cover plate, and a second fixing member for fixing the second cover plate to the first cover plate.
[0007] By adopting the above technical solution, the second fixing member realizes the detachable connection between the first cover plate and the second cover plate, and the blades are fixed to the first cover plate by the first fixing member, so that the first cover plate can be removed separately to clean the inside of the impeller, that is, the gaps between the blades.
[0008] Optionally, the first fixing member includes a fixing plate and a first bolt, the fixing plate is arranged on the side of the blade facing the first cover plate, the first cover plate is provided with a fixing groove for the fixing plate to be clamped, and the fixing bolt can pass through the fixing plate and be threadedly connected to the first cover plate.
[0009] By adopting the above technical solution, the fixing plate is inserted into the fixing groove and fixed by the first bolt, so that the blade can be removably fixed to the first cover plate, so that when the blade is damaged, the single blade can be removed individually for replacement, and through the cooperation of the fixing plate and the first bolt, the blade can be stably fixed, so that the impeller can be used as a semi-open impeller.
[0010] Optionally, the first bolts are respectively arranged on both sides of the blade, and a plurality of fixing bolts are arranged at intervals in the extending direction of the fixing plate.
[0011] By adopting the above technical solution, the stability of blade fixation can be improved.
[0012] Optionally, the second cover plate is provided with a positioning groove for the blade to be clamped, and a plurality of the positioning grooves are circumferentially provided on the second cover plate corresponding to the blade.
[0013] By adopting the above technical solution, the positioning groove cooperates with the fixing groove to clamp the blade between the first cover plate and the second cover plate, which can limit the sliding of the blade and improve the stability of the blade when it is fixed.
[0014] Optionally, the second fixing member includes a fixing rod disposed on the second cover plate and a fixing nut threadedly connected to the fixing rod, and the fixing rod can pass through the blade and the first cover plate in sequence and be threadedly connected to the fixing nut.
[0015] By adopting the above technical solution, the fixing rod is passed through the blade and the first cover plate, and then locked by the fixing nut, so that the second cover plate can be fixed to the first cover plate, and the blade can be further fixed at the same time.
[0016] Optionally, a recessed groove for accommodating the fixing nut is formed on a side wall of the first cover plate facing away from the impeller.
[0017] Optionally, a plurality of fixing rods are arranged along the circumference of the second cover plate, and all of the fixing rods pass through the blades.
[0018] Optionally, a connecting tube is provided on the first cover plate, a connecting hole for the shaft to be connected is provided on the inner side wall of the connecting tube, and a clearance hole for the connecting tube to pass through is provided on the second cover plate, and the inner diameter of the clearance hole is larger than the outer diameter of the connecting tube.
[0019] By adopting the above technical solution, the corresponding shaft bodies can be easily connected.
[0020] Optionally, an external thread is provided on the outer side wall of the end of the connecting pipe, a positioning ring is threadedly connected to the connecting pipe, and the positioning ring is provided with a water inlet hole for water to flow through.
[0021] By adopting the above technical solution, the second positioning ring is threadedly connected to the connecting pipe, which can play a role in locking the second cover plate, thereby further increasing the stability of the second cover plate.
[0022] Optionally, a force-applying groove for conveniently controlling the positioning ring is provided on the side wall of the positioning ring.
[0023] By adopting the above technical solution, the positioning ring can be easily rotated.
[0024] In summary, the present application includes at least one of the following beneficial effects:
[0025] 1. Through the detachable setting of the first cover plate and the second cover plate, the first cover plate can be disassembled to facilitate cleaning of the inside of the impeller;
[0026] 2. Through the fixing method of the first cover plate, the second cover plate and the blades, the first cover plate can be removed separately, and the blades can be used as a semi-open impeller; at the same time, the blades can also be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] Figure 1 It is a schematic diagram of the structure of an embodiment of the present application;
[0028] Figure 2 It is a schematic diagram of the explosion structure of the second cover plate;
[0029] Figure 3 It is a schematic diagram of the exploded structure of the second fixing member.
[0030] Explanation of the accompanying drawings: 1. first cover plate; 11. fixing groove; 12. sink groove; 2. second cover plate; 21. positioning groove; 3. blade; 4. first fixing member; 41. fixing plate; 42. first bolt; 5. second fixing member; 51. fixing rod; 52. fixing nut; 6. connecting pipe; 61. connecting hole; 7. positioning ring; 71. water inlet hole. DETAILED DESCRIPTION
[0031] The following is combined with Figure 1-3 This application is described in further detail.
[0032] The present application discloses a water pump copper impeller. Figure 1 The copper impeller of the water pump includes a first cover plate 1, a second cover plate 2 and a blade 3 arranged between the first cover plate 1 and the second cover plate 2. The first cover plate 1, the second cover plate 2 and the blade 3 can all be made of copper, thereby improving the corrosion resistance of the impeller. The first cover plate 1 and the second cover plate 2 are both circular plates, the cross section of the blade 3 is an arc, and a plurality of blades 3 are arranged circumferentially on the first cover plate 1 along the center line of the first cover plate 1, and a channel for water flow is formed between two adjacent blades 3. The copper impeller of the water pump also includes a first fixing member 4 for fixing the blade 3 to the first cover plate 1, and a second fixing member 5 for fixing the second cover plate 2 to the first cover plate 1.
[0033] Reference Figure 1 and Figure 2In this embodiment, the first fixing member 4 includes a fixing plate 41 and a first bolt 42. The fixing plate 41 is fixed to the side wall of the blade 3 facing the first cover plate 1 by means of integral molding or the like. The fixing plate 41 extends along the direction of the blade 3, and the fixing plate 41 extends out of the left and right sides of the blade 3. A fixing groove 11 for the fixing plate 41 to be engaged is provided on the side wall of the first cover plate 1 facing the blade 3. The fixing groove 11 is provided in a one-to-one correspondence with the fixing plate 41, that is, the fixing groove 11 is provided in a one-to-one correspondence with the blade 3. A through hole for the first bolt 42 to pass through is provided on the fixing plate 41. A threaded hole for the first bolt 42 to be threadedly connected is provided on the inner bottom wall of the fixing groove 11 of the first cover plate 1, so that the threaded rod portion of the first bolt 42 can pass through the through hole and be threadedly connected with the first cover plate 1 to fix the blade 3 on the first cover plate 1.
[0034] Preferably, the first bolt 42 can be a countersunk bolt; the first bolt 42 is respectively arranged on both sides of the blade 3, and a plurality of the first bolts 42 can be arranged on the fixing plate 41 along the extension direction of the blade 3, so as to strengthen the fixing strength of the blade 3. Through the second fixing member 5, each blade 3 can be individually detachably fixed to the first cover plate 1, so that when the blade 3 is damaged and needs to be replaced, only one of the blades 3 needs to be replaced, which reduces the replacement cost.
[0035] Reference Figure 2 and Figure 3 In this embodiment, a positioning groove 21 for the blade 3 to be engaged is provided on the side wall of the second cover plate 2 facing the first cover plate 1. A plurality of positioning grooves 21 are provided circumferentially on the second cover plate 2 along the center line of the second cover plate 2. The positioning grooves 21 are provided one by one corresponding to the blade 3. This makes it convenient to position the other side of the blade 3 when installing the impeller. Therefore, during the operation of the impeller, the first cover plate 1 and the second cover plate 2 can limit the blade 3 through the cooperation of the fixing groove 11 and the positioning groove 21, thereby preventing the blade 3 from sliding.
[0036] Reference Figure 2 and Figure 3 In this embodiment, the second fixing member 5 includes a fixing rod 51 and a fixing nut 52, wherein the fixing rod 51 can be a round rod, and the fixing rod 51 is preferably fixed to the side wall of the second cover plate 2 facing the first cover plate 1 by an integral molding method, and the blade 3 and the first cover plate 1 are provided with openings for the fixing rod 51 to pass through; an end of the fixing rod 51 away from the second cover plate 2 is provided with an external thread, and when the fixing rod 51 passes through the first cover plate 1, it can be threadedly connected with the fixing nut 52.
[0037] Preferably, a recessed groove 12 for accommodating the fixing nut 52 is provided on the side wall of the first cover plate 1 facing away from the second cover plate 2, and the recessed groove 12 is connected to the opening, thereby reducing the possibility of accidentally turning the fixing nut 52. A plurality of fixing rods 51 are arranged along the circumference of the second cover plate 2, and each fixing rod 51 passes through the blade 3 and the first cover plate 1 in sequence, so that the second cover plate 2 is fixed to the first cover plate 1 by the second fixing member 5, and the strength of the corresponding blade 3 can also be improved.
[0038] Reference Figure 1 and Figure 2 In this embodiment, a connecting pipe 6 is integrally formed on the side wall of the first cover plate 1 facing the second cover plate 2. The connecting pipe 6 is coaxially arranged with the first cover plate 1. A connecting hole 61 is provided inside the connecting pipe 6 for the shaft body (such as the output shaft of the motor) to be connected, and a keyway can also be provided on the inner side wall of the connecting pipe 6 to facilitate the transmission of torque with the shaft body; a clearance hole is provided in the center of the second cover plate 2 for the connecting pipe 6 to pass through, and the inner diameter of the clearance hole is larger than the outer diameter of the connecting pipe 6, so that the water flow can enter the blade 3 through the clearance hole. When in use, the power element, such as the output shaft of the motor, can pass through the connecting pipe 6 and be fixed to the connecting pipe 6, and then the keyway part on the connecting pipe 6 drives the first cover plate 1 to rotate, thereby driving the blade 3 and the second cover plate 2 to rotate.
[0039] Reference Figure 1 and Figure 2 In the present embodiment, preferably, an external thread can be provided on the outer side wall of the connecting pipe 6, and a positioning ring 7 can be threadedly connected to the connecting pipe 6. The positioning ring 7 is a circular ring, and the outer diameter of the positioning ring 7 is larger than the inner diameter of the makeshift hole on the second cover plate 2. At the same time, a water inlet hole 71 is provided on the side wall of the positioning ring 7. A plurality of water inlet holes 71 are provided circumferentially along the center line of the positioning ring 7, so that water can enter the blade 3 through the water inlet holes 71; after the connecting pipe 6 passes through the second cover plate 2, the positioning ring 7 is threadedly connected, so that the second sleeve is pressed against the blade 3, which can further increase the stability of the connection between the second and first sleeves.
[0040] Reference Figure 1 and Figure 2 In order to facilitate the rotation of the positioning ring 7, a force-applying groove can be opened on the circumferential side wall of the positioning ring 7. The force-applying groove is a rectangular groove, and multiple force-applying grooves can be opened along the circumference of the positioning ring 7; in other embodiments, anti-slip grooves can also be opened on the circumferential side wall of the positioning ring 7, and the anti-slip grooves extend along the axial direction of the positioning groove 21, thereby facilitating the application of force to the positioning ring 7 by increasing the friction force.
[0041] The implementation principle of a copper impeller for a water pump in an embodiment of the present application is as follows: when assembling the impeller, first insert the fixing plate 41 into the fixing groove 11, and fix the fixing plate 41 to the first cover plate 1 by the first bolt 42, so that all the blades 3 are fixed to the first cover plate 1; then align the fixing rod 51 on the second cover plate 2 with the opening on the blade 3 and insert it, at this time, the fixing rod 51 is synchronously passed through the blade 3 and the first cover plate 1, and the other side of the blade 3 is correspondingly inserted into the positioning groove 21 of the second cover plate 2, finally, the fixing nut 52 is locked to the fixing rod 51, the positioning ring 7 is threadedly connected to the connecting pipe 6, and pressed against the second cover plate 2, and the installation is completed.
[0042] When it is necessary to clean the space inside the impeller, it is only necessary to remove the fixing nut 52 and the positioning ring 7, and then the second cover plate 2 can be removed to clean the space between the blades 3; at the same time, by removing the second cover plate 2, the impeller of this embodiment can also be used as a semi-open impeller.
[0043] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A copper impeller for a water pump, characterized in that: The invention comprises a first cover plate (1), a second cover plate (2), and blades (3) arranged between the first cover plate (1) and the second cover plate (2), wherein a plurality of blades (3) are arranged along the circumference of the first cover plate (1), and further comprises a first fixing member (4) for fixing the blades (3) to the first cover plate (1), and a second fixing member (5) for fixing the second cover plate (2) to the first cover plate (1).
2. A water pump copper impeller according to claim 1, characterized in that: The first fixing member (4) comprises a fixing plate (41) and a first bolt (42); the fixing plate (41) is arranged on a side of the blade (3) facing the first cover plate (1); the first cover plate (1) is provided with a fixing groove (11) for the fixing plate (41) to be clamped; the first bolt (42) can pass through the fixing plate (41) and be threadedly connected to the first cover plate (1).
3. A water pump copper impeller according to claim 2, characterized in that: The first bolts (42) are respectively arranged on both sides of the blade (3), and a plurality of the first bolts (42) are arranged at intervals in the extending direction of the fixing plate (41).
4. A water pump copper impeller according to claim 3, characterized in that: The second cover plate (2) is provided with a positioning groove (21) for the blade (3) to be clamped, and a plurality of positioning grooves (21) are provided circumferentially on the second cover plate (2) corresponding to the blade (3).
5. A water pump copper impeller according to any one of claims 1 to 4, characterized in that: The second fixing member (5) comprises a fixing rod (51) arranged on the second cover plate (2) and a fixing nut (52) threadedly connected to the fixing rod (51); the fixing rod (51) can pass through the blade (3) and the first cover plate (1) in sequence and be threadedly connected to the fixing nut (52); a recessed groove (12) for accommodating the fixing nut (52) is provided on a side wall of the first cover plate (1) facing away from the impeller.
6. A water pump copper impeller according to claim 5, characterized in that: A plurality of the fixing rods (51) are arranged along the circumference of the second cover plate (2), and all of the fixing rods (51) pass through the blades (3).
7. A water pump copper impeller according to claim 6, characterized in that: The first cover plate (1) is provided with a connecting tube (6), the inner side wall of the connecting tube (6) is provided with a connecting hole (61) for the shaft body to be connected to pass through, and the second cover plate (2) is provided with a clearance hole for the connecting tube (6) to pass through, the inner diameter of the clearance hole being larger than the outer diameter of the connecting tube (6).
8. The copper impeller of a water pump according to claim 7, characterized in that: An external thread is provided on the outer side wall of the end of the connecting pipe (6), a positioning ring (7) is threadedly connected to the connecting pipe (6), and a water inlet hole (71) is provided on the positioning ring (7) for water to flow through.
9. A water pump copper impeller according to claim 8, characterized in that: A force-applying groove for conveniently controlling the positioning ring (7) is provided on the peripheral side wall of the positioning ring (7).