Electronic water pump

Abstract

The electronic water pump comprises a volute, a rotor sleeve and a stator assembly, a screw is connected in a threaded hole formed in the volute in a matched mode, the screw is connected in a threaded hole formed in the rotor sleeve in a matched mode, the volute and the rotor sleeve are fixedly connected through the screw, and the rotor sleeve is symmetrically connected with a sealing ring and a fixing ring in a sleeved mode. The fixing ring is fixedly connected with a shell in the stator assembly, the shell is sleeved with a damping ring, and the bottom of the shell is fixedly connected with an end cover; according to the water pump, the volute, the rotor sleeve and the stator assembly are fixed through the screws to form the top structure, then the end cover and the damping ring are fixed from the other side to form the bottom structure, assembly of the water pump can be completed through fixing of the screws, the structure is simple and exquisite, the number of formed parts is small, production efficiency is improved, and production cost is reduced; and meanwhile, through CAE analysis and simulation design, the design of five wheels is optimized, the flow loss is reduced, and the working efficiency of the water pump is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water pump technical field, especially electronic water pump. BACKGROUND

[0002] The automobile cooling water pump is the main part of the closed circulation cooling system of the automobile engine, it is responsible for improving the working pressure of the cooling liquid in the circulation system, maintains the cooling liquid circulation between the relevant parts of the engine, to prevent the running temperature of the engine being too high, the working principle of the cooling water pump is based on the action of centrifugal force, when the water pump impeller rotates, the cooling liquid is sucked into the water chamber, and rotates together with the impeller, under the action of centrifugal force, the cooling liquid is thrown to the water outlet chamber, and is transported to the cooling system of the engine through the water outlet pipeline, the existing automobile cooling water pump basically meets the demand, but still has certain defects, the existing cooling water pump usually has complex structure, uses more parts, and the production cost is high, and the flow loss of the cooling water pump is big, and the working efficiency is low, therefore, it is very necessary to design an electronic water pump. SUMMARY

[0003] The utility model discloses an electronic water pump, to solve the existing cooling water pump complex structure, the production cost is higher, and the flow loss is big, and the working efficiency is low's defect.

[0004] In order to solve the above technical problem, the utility model provides the following technical scheme:

[0005] An electronic water pump, including volute, rotor sleeve and stator assembly, the screw cooperation and connection of the screw thread hole that volute set up are connected in rotor sleeve screw thread hole that sets up, and volute and rotor sleeve are fixedly connected through screw, rotor sleeve is symmetrically sleeved with sealing ring and fixed ring, and the fixed ring is fixedly connected with the shell of stator assembly, the shell is sleeved with the shock ring, and the bottom of shell is fixedly connected with the end cover, and the threaded hole is set up on the shell and the end cover, and the shell and the end cover are fixedly connected through the screw.

[0006] As a further technical scheme of the utility model, the rotor sleeve is embedded with rotor components, and the first mounting ear is set up on the rotor components.

[0007] As a further technical scheme of the utility model, the stator assembly is composed of shell, first boss, first recess, platform, R slot, grounding sheet, second recess, reinforcing rib, second mounting ear, second boss and stator body, and the second boss is uniformly arranged on the shell, and the platform is connected with the second boss.

[0008] As a further technical scheme of the utility model, the grounding sheet is uniformly arranged on the shell, the second recess is set up on the grounding sheet, and the reinforcing rib and the second mounting ear are arranged on the shell.

[0009] As a further technical scheme of the utility model, the platform is arranged on the stator body, and a first boss is arranged on the platform, a first groove is arranged on the first boss, an R groove is arranged on the platform corresponding to the first groove, and the R groove is connected with the reinforcing rib.

[0010] As a further technical scheme of the utility model, the volute is provided with a third mounting lug.

[0011] As a further technical scheme of the utility model, the volute is provided with a third mounting lug.

[0012] The electronic water pump has the advantages that the volute, the rotor sleeve and the stator assembly are fixed to form a top structure through screws, then the end cover and the damping ring are fixed to form a bottom structure from the other side, the assembly of the water pump can be completed through screw fixing, the structure is simple and exquisite, the number of components is small, the production efficiency is improved, and the production cost is reduced; meanwhile, the design of the fifth wheel is optimized through CAE analysis and simulation design, the flow loss is reduced, and the working efficiency of the water pump is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] 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 embodiments or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0014] Figure 1 It is a side view structural schematic diagram of the utility model;

[0015] Figure 2 It is an explosion diagram of the utility model;

[0016] Figure 3 It is a position schematic diagram of the wear-reducing sheet in the utility model;

[0017] Figure 4 It is an axial view of the wear-reducing sheet in the utility model;

[0018] Figure 5 It is an internal structure schematic diagram of the utility model;

[0019] Figure 6 It is a structure schematic diagram of the shell in the utility model;

[0020] Figure 7 It is a structure schematic diagram of the stator body in the utility model;

[0021] Figure 8The structure diagram of the rotor sleeve in the utility model.

[0022] In the figure: 1, volute; 2, rotor sleeve; 3, shell; 4, shock ring; 5, end cover; 6, screw; 7, rotor part; 8, sealing ring; 9, fixed ring; 10, stator assembly; 11, first boss; 12, first mounting lug; 13, first recess; 14, platform; 15, R groove; 16, grounding sheet; 17, second recess; 18, reinforcing rib; 19, second mounting lug; 20, second boss; 21, stator body; 30, third mounting lug; 31, wear sheet. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are 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 scope of protection of the utility model.

[0024] In the description of the utility model, it should be explained that, unless explicitly defined and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0025] Please refer to the drawings of the utility model Figure 1 - the drawings of the utility model Figure 8The utility model provides an embodiment: an electronic water pump, including volute 1, rotor sleeve 2 and stator subassembly 10, the screw hole that volute 1 set up is connected with screw 6 in cooperation, screw 6 is connected in the screw hole that rotor sleeve 2 set up in cooperation, volute 1 and rotor sleeve 2 are fixedly connected each other through screw 6, rotor sleeve 2 is symmetrically sleeved with sealing ring 8 and fixed ring 9, and the fixed ring 9 is fixedly connected with the shell 3 in stator subassembly 10, the shell 3 is sleeved with shock ring 4, and the bottom of shell 3 is fixedly connected with end cover 5, and the threaded hole is set up on end cover 5 and shell 3, and shell 3 and end cover 5 are fixedly connected each other through screw 6, and rotor component 7 is embedded in the inside of rotor sleeve 2, and the first mounting ear 12 is set up on rotor component 7, and stator subassembly 10 is by shell 3, first boss 11, first recess 13, platform 14, R slot 15, grounding blade 16, second recess 17, reinforcing rib 18, second mounting ear 19, second boss 20 and stator body 21 are formed, and the second boss 20 is evenly provided on shell 3, and platform 14 is connected in cooperation on the second boss 20, and the grounding blade 16 is evenly provided on shell 3, and the second recess 17 is set up on grounding blade 16, and reinforcing rib 18 and second mounting ear 19 are provided on shell 3, and platform 14 is set up on stator body 21, and the first boss 11 is equipped on platform 14, and the first recess 13 is provided on the first boss 11, and R slot 15 is equipped on the platform 14 corresponding to the first recess 13, and R slot 15 is fixedly connected each other with reinforcing rib 18, and the third mounting ear 30 is provided on volute 1, and the inner side of volute 1 is fixedly connected with wear-reducing sheet 31;

[0026] Specifically, in use, first, volute 1, rotor sleeve 2 and stator subassembly 10 are fixed to form a top structure through screw 6, then end cover 5 and shock ring 4 are fixed to form a bottom structure from the other side, and the assembly of the water pump can be completed through the fixing of screw 6, which is simple and ingenious in structure, has few components, improves production efficiency and reduces production cost; meanwhile, through CAE analysis and simulation design, the design of the five-leaf wheel is optimized, the flow loss is reduced, and the working efficiency of the water pump is improved.

[0027] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0028] The device embodiments described above are merely illustrative, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed to multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.

[0029] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An electronic water pump, comprising a volute (1), a rotor sleeve (2), and a stator assembly (10), characterized in that: A screw (6) is fitted into the threaded hole of the volute (1). The screw (6) is fitted into the threaded hole of the rotor sleeve (2). The volute (1) and the rotor sleeve (2) are fixedly connected to each other by the screw (6). The rotor sleeve (2) is symmetrically fitted with a sealing ring (8) and a fixing ring (9). The housing (3) of the stator assembly (10) is fixedly connected to the fixing ring (9). A shock-absorbing ring (4) is fitted onto the housing (3). An end cap (5) is fixedly connected to the bottom of the housing (3). Threaded holes are provided on both the end cap (5) and the housing (3). The housing (3) and the end cap (5) are fixedly connected to each other by the screw (6).

2. The electronic water pump according to claim 1, characterized in that: The rotor sleeve (2) has a rotor component (7) embedded inside it, and the rotor component (7) has a first mounting ear (12).

3. The electronic water pump according to claim 1, characterized in that: The stator assembly (10) consists of a housing (3), a first boss (11), a first groove (13), a platform (14), an R-groove (15), a grounding piece (16), a second groove (17), a reinforcing rib (18), a second mounting ear (19), a second boss (20), and a stator body (21). The housing (3) is uniformly provided with the second boss (20), and the platform (14) is connected to the second boss (20).

4. The electronic water pump according to claim 3, characterized in that: The housing (3) is uniformly provided with grounding plates (16), and a second groove (17) is provided on the grounding plates (16). The housing (3) is provided with reinforcing ribs (18) and a second mounting ear (19).

5. The electronic water pump according to claim 3, characterized in that: The platform (14) is located on the stator body (21), and the platform (14) is provided with a first boss (11), the first boss (11) is provided with a first groove (13), and the platform (14) corresponding to the first groove (13) is provided with an R groove (15), the R groove (15) and the reinforcing rib (18) are connected to each other.

6. The electronic water pump according to claim 1, characterized in that: The volute (1) is provided with a third mounting ear (30).

7. The electronic water pump according to claim 6, characterized in that: A wear-reducing plate (31) is fixedly connected to the inner side of the volute (1).

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