CN217632961U

CN217632961U - Automobile electronic water pump

Info

Publication number: CN217632961U
Application number: CN202220338693.5U
Authority: CN
Inventors: 向红
Original assignee: Hubei Shendian Auto Motor Co ltd
Current assignee: Hubei Shendian Auto Motor Co ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-10-21
Anticipated expiration: 2032-02-17

Abstract

The utility model provides an automotive electronics water pump, it includes: the water pump volute comprises a water pump volute, a shell, a stator, a water separating sleeve, a rotor and at least one elastic piece, wherein the shell is detachably and fixedly connected with the water pump volute and a containing cavity is formed between the water pump volute, the stator is arranged in the containing cavity and connected to the inner wall of the shell, the water separating sleeve is arranged on the water pump volute and used for sealing and dividing the containing cavity, the rotor is arranged in the lower half part of the containing cavity, one end of the rotor is rotatably connected to the water pump volute, the other end of the rotor is rotatably connected to the water separating sleeve, the elastic piece is arranged on the outer wall of the water separating sleeve and between the shells, and one end of the elastic piece is connected to the water separating sleeve and the other end of the elastic piece is abutted to the stator. The utility model discloses an electronic water pump passes through water proof cover sealing water pump volute and shell, and it passes through the elastic component and adopts flexonics's mode to connect stator and water proof cover, reduces the noise and the vibration that the stator produced.

Description

Automobile electronic water pump

Technical Field

The utility model relates to an electronic water pump technical field especially relates to an automotive electronics water pump.

Background

The electronic water pump adopts a permanent magnet synchronous motor as a power device, and electronization is thoroughly realized from control to driving, so that an electronic integrated system completely controls liquid transmission, and the adjustability and accuracy of the liquid transmission are realized.

For example, patent CN213298403U discloses an automotive electronic water pump, including water pump integration and fixed frame, fixed frame fixed connection is in the integrated bottom of water pump, the integrated terminal surface through connection of water pump has the inlet tube, and the integrated top surface central point of water pump puts the through connection and has the outlet pipe, the outer wall opening part box-like of outlet pipe is fixed with the retaining ring, the opening part surface integral type of retaining ring is connected with the stationary blade, the inside activity interlude of stationary blade has the screw of supporting tightly, through setting up the shock attenuation base, first damping spring, limiting plate and second damping spring, when producing violent vibrations after the engine operation, offset the impact force that acts on the water pump integration through first damping spring and second damping spring, prevent damaging inside solenoid and the magnetic core of water pump, and then promote the working property and the life of this automotive electronic water pump.

The fixing mode of the stator in the present electronic water pump for the automobile basically adopts: the mode such as filling casting glue, screw or increasing spring structure, generally be similar to above-mentioned patent, water pump structure and stator increase and adopt rigid connection, and the preparation size precision of each part requires highly, and assembly error also can not be too big, otherwise each part is mutual interference or have the clearance between each part, and the normal use of electronic water pump can be influenced because the friction of part or vibration production noise and wearing and tearing when the electronic water pump is in operation.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide an electronic water pump for an automobile, which solves the technical problem that the hard connection of the parts of the electronic water pump in the prior art is easy to wear.

In order to achieve the above technical purpose, the technical scheme of the utility model provide an automotive electronics water pump, it includes: the water pump volute comprises a water pump volute, a shell, a stator, a water separating sleeve, a rotor and at least one elastic piece, wherein the shell is detachably and fixedly connected with the water pump volute and a containing cavity is formed between the water pump volute, the stator is arranged in the containing cavity and connected to the inner wall of the shell, the water separating sleeve is arranged on the water pump volute and used for sealing and dividing the containing cavity, the rotor is arranged in the lower half part of the containing cavity, one end of the rotor is rotatably connected to the water pump volute, the other end of the rotor is rotatably connected to the water separating sleeve, the elastic piece is arranged between the outer wall of the water separating sleeve and the shell, one end of the elastic piece is connected to the water separating sleeve, and the other end of the elastic piece is abutted to the stator so as to eliminate gaps between the stator and the water separating sleeve.

Further, the shell includes a fixed shell and a rear cover, the fixed shell is hollow and has openings at two ends, and the rear cover is connected to the fixed shell through a screw and seals one end of the fixed shell.

Further, the fixed shell is annular.

Furthermore, the water-proof sleeve is positioned between the water pump volute and the fixed shell, and the water pump volute and the water-proof sleeve are sequentially fixed at the bottom of the fixed shell through screws.

Furthermore, a plurality of raised reinforcing ribs are arranged on the outer wall of the water separating sleeve at intervals, a plurality of grooves are formed among the reinforcing ribs, the coil part of the stator is inserted into the grooves, one end of the elastic part is abutted against the reinforcing ribs, and the other end of the elastic part is connected to the stator.

Furthermore, a plurality of the reinforcing ribs and the grooves are distributed in a circumferential array.

Furthermore, the cross section of the elastic part is in a fan shape.

Furthermore, the sealing ring is arranged in the containing cavity and positioned at the joint of the water pump volute and the fixed shell.

Furthermore, the fixing device also comprises a fixing seat, and the fixing seat is connected to the outer wall of the fixing shell.

Further, the elastic part is a rubber part.

Compared with the prior art, the beneficial effects of the utility model include: the utility model discloses an electronic water pump passes through water proof cover connection water pump volute and shell and seals, and be responsible for driven stator and rotor to fix respectively on shell and water pump volute, still be provided with the elastic component on the water proof is sheathe in, with this rigid connection between replacing traditional electronic water pump volute and the casing, can eliminate the clearance between water proof cover and the stator and make the water proof cover hug closely the inner wall of casing, the good waterproof performance of water proof cover has been guaranteed, the elastic component can the butt to the stator this moment, when electronic water pump operation, the elastic component can separation water proof cover and stator contact, prevent the noise generation.

Drawings

Fig. 1 is a cross-sectional view of an automotive electronic water pump according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a housing in an electronic water pump of an automobile according to an embodiment of the present invention;

fig. 3 is a schematic assembly diagram of an elastic member and a water-proof sleeve in an electronic water pump for an automobile according to an embodiment of the present invention;

fig. 4 is a side view of an example of an automotive electronic water pump spacer jacket according to the present invention.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.

Referring to fig. 1, the utility model provides an automotive electronics water pump, it includes: the water pump volute comprises a water pump volute 1, a shell 2, a stator 3, a water-resisting sleeve 4, a rotor 5 and at least one elastic piece 6, wherein the shell 2 is detachably fixedly connected with the water pump volute 1 and a containing cavity is formed between the water pump volute 1, the stator 3 is arranged in the containing cavity and connected with the inner wall of the shell 2, the water-resisting sleeve 4 is sleeved on the water pump volute 1 and used for sealing and dividing the containing cavity, the rotor 5 is arranged in the lower half of the containing cavity and one end of the rotor is rotatably connected with the water pump volute 1, the other end of the rotor is rotatably connected with the water-resisting sleeve 4, the elastic piece 6 is arranged between the outer wall of the water-resisting sleeve 4 and the shell 2, one end of the elastic piece 6 is connected with the water-resisting sleeve 4, and the other end of the elastic piece is abutted to the stator 3 so as to eliminate a gap between the stator 3 and the water-resisting sleeve 4.

Referring to fig. 2, in the embodiment of the present invention, the housing 2 includes a fixed casing 21 and a rear cover 22, the fixed casing 21 is hollow and has two open ends, and the rear cover 22 is connected to the fixed casing 21 by screws and seals one end of the fixed casing 21. Wherein, the outer wall of set casing 21 still is provided with fixing base 23, and this fixing base 23 is used for installing fixed electronic water pump to the automobile body on, still includes the control panel in the back lid 22, and the control panel is fixed in the backshell inner wall, and it is common control terminal among the current PMSM for drive electronic water pump work.

The utility model provides an in the embodiment, set casing 21 is cyclic annularly, and the shape of water proof cover 4 is formulated according to the shape of water pump volute 1, and it is installed in the junction of water pump volute 1 and set casing 21 for sealed electronic pump.

Referring to fig. 3, as a preferred embodiment, the water partition sleeve 4 is circumferentially provided with a plurality of protruding ends 41, the protruding ends 41 are provided with through holes 42, the corresponding water pump volute 1 and the fixing shell 21 are respectively provided with a threaded hole, and the water pump volute 1 and the water partition sleeve 4 are sequentially fixed at the bottom of the fixing shell 21 by screws, so as to complete the assembly and fixation of the water pump volute 1 and the housing 2 in the electronic water pump. Referring to fig. 4, a plurality of raised reinforcing ribs 43 are arranged on the outer wall of the water-separating sleeve 4 at intervals, a plurality of grooves are formed between the plurality of reinforcing ribs 43, the plurality of reinforcing ribs and the grooves are distributed in a circumferential array, a part of the stator 3 is inserted into the grooves, one end of the elastic member 6 abuts against the reinforcing ribs 43, and the other end is connected to the stator 3.

The utility model provides an in the embodiment, the stator contains insulating support, stator core and stator coil insulating support set up at the set casing inner wall, stator core and stator coil are installed and are formed with fixed clearance on insulating support, 6 one ends of elastic component are inlayed in this clearance, other one end butt is in the strengthening rib of water proof cover 4 outer walls, elastic component 6 is located between water proof cover 5 and stator 3, the rigid connection between water pump volute 1 and shell 2 has been avoided, prevent the part wearing and tearing, the inside part vibration noise that produces in the time of can reducing the electronic water pump operation simultaneously. When the number of the elastic members is plural, the plural elastic members may be mounted on an annular retainer ring fixed to the outer wall of the water partition sleeve.

As a preferred embodiment, the cross section of the elastic part 6 is fan-shaped, so that the water pump volute 1 and the shell 2 can be assembled better, wherein the elastic part 6 is made of ethylene propylene diene monomer rubber and has good elasticity and friction resistance, the water-resisting sleeve 4 can also be made of an elastic material, and the elastic part 6 is extruded between the water-resisting sleeve 4 and the stator 3, so that accumulated tolerance difference between the stator 3 and the water-resisting sleeve 4 can be compensated, the assembly reliability is improved, the manufacturing and assembly difficulty of parts is reduced, and meanwhile, the water-resisting sleeve 4 can be tightly attached to the inner wall of the shell, so that the sealing of an accommodating cavity in the electronic water pump is completed.

The utility model provides an in the embodiment, this electronic water pump still includes sealing washer 7, the quantity of sealing washer 7 is 3 it is sealing washer one, sealing washer two and sealing washer three respectively, and wherein, sealing washer one is located between set casing and the water proof cover, and sealing washer two is located between back lid and the set casing, and sealing washer three is located water pump volute and water proof cover junction, and the inside good waterproof nature of electronic water pump can be ensured to a plurality of sealing washers.

The utility model provides an operating principle of embodiment does: the utility model discloses an electronic water pump includes detachable water pump volute and shell, and the stator and the rotor setting of motor are inside the shell, and the centre gripping has the water proof cover between water pump volute and the shell, and the water proof is sheathe in and is provided with the elastic component, lets pass through the elastic component between stator and the water proof cover and keep flexonics when can letting water pump volute and shell fixed connection, and its inside part vibration friction when reducing electronic water pump operation prevents the part damage to improve electronic water pump's life.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. An automotive electronic water pump, comprising: the water pump vortex shell comprises a water pump vortex shell, a stator, a water isolating sleeve, a rotor and at least one elastic piece, wherein the shell is detachably fixedly connected with the water pump vortex shell and a containing cavity is formed between the water pump vortex shell, the stator is arranged in the containing cavity and connected to the inner wall of the shell, the water isolating sleeve is arranged on the water pump vortex shell and used for sealing and dividing the containing cavity, the rotor is arranged in the lower half part of the containing cavity, one end of the rotor is rotatably connected with the water pump vortex shell, the other end of the rotor is rotatably connected with the water isolating sleeve, the elastic piece is arranged on the outer wall of the water isolating sleeve and between the shells, one end of the elastic piece is connected with the water isolating sleeve and the other end of the elastic piece is abutted to the stator so as to eliminate a gap between the stator and the water isolating sleeve.

2. The automotive electronic water pump according to claim 1, characterized in that: the shell comprises a fixed shell and a rear cover, the fixed shell is hollow, two ends of the fixed shell are open, and the rear cover is connected with the fixed shell through screws and seals one end of the fixed shell.

3. The automotive electronic water pump according to claim 2, characterized in that: the fixed shell is annular.

4. The automotive electronic water pump of claim 3, characterized in that: the water-proof sleeve is positioned between the water pump volute and the fixed shell, and the water pump volute and the water-proof sleeve are sequentially fixed at the bottom of the fixed shell through screws.

5. The automotive electronic water pump according to claim 4, characterized in that: the outer wall of the water-proof sleeve is provided with a plurality of raised reinforcing ribs at intervals, a plurality of grooves are formed among the reinforcing ribs, the coil part of the stator is inserted into the grooves, one end of the elastic piece is abutted against the reinforcing ribs, and the other end of the elastic piece is connected with the stator.

6. The automotive electronic water pump according to claim 5, characterized in that: the reinforcing ribs and the grooves are distributed in a circumferential array.

7. The automotive electronic water pump of claim 6, characterized in that: the cross section of the elastic piece is fan-shaped.

8. The automotive electronic water pump according to claim 2, characterized in that: the sealing ring is arranged in the containing cavity and positioned at the joint of the water pump volute and the fixed shell.

9. The automotive electronic water pump according to claim 2, characterized in that: still include the fixing base, the fixing base connect in the set casing outer wall.

10. The automotive electronic water pump of claim 7, characterized in that: the elastic part is a rubber part.