CN213392719U - Electronic shielding water pump and vehicle - Google Patents
Electronic shielding water pump and vehicle Download PDFInfo
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- CN213392719U CN213392719U CN202021915340.4U CN202021915340U CN213392719U CN 213392719 U CN213392719 U CN 213392719U CN 202021915340 U CN202021915340 U CN 202021915340U CN 213392719 U CN213392719 U CN 213392719U
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Abstract
The utility model discloses an electronic shielding water pump and vehicle relates to the new energy automobile field. The water pump comprises a shell assembly, a stator and a rotor, wherein the shell assembly comprises a shell body and a pump shell base which are fixedly connected, the shell body and the pump shell base are matched to form a first cavity, the stator and the rotor are arranged in the first cavity, the shell body is provided with a first mounting groove, and the pump shell base is provided with a second mounting groove; the stator is fixedly sleeved on the periphery of the shielding sleeve, and the rotor can rotate in the shielding sleeve; the shielding sleeve is provided with an abutting groove, and the abutting groove corresponds to the first mounting groove; the impeller shaft is arranged in the first cavity and penetrates through the shielding sleeve and the pump shell base, and the rotor is fixed on the impeller shaft; the first shaft sleeve is sleeved on the impeller shaft, and two ends of the first shaft sleeve are respectively abutted in the first mounting groove and the abutting groove; and the second shaft sleeve is sleeved on the impeller shaft, one end of the second shaft sleeve is abutted in the second mounting groove, and the other end of the second shaft sleeve is abutted with the rotor. This water pump has improved axle sleeve installation stability.
Description
Technical Field
The utility model relates to a new energy automobile field, concretely relates to electronic shielding water pump and vehicle.
Background
The automobile can produce a large amount of heat in the driving process, and the heat can influence the automobile use, so need cool down the driving system of automobile. The electronic water pump is the power source of the whole cooling system, and the lift of the water pump directly influences the cooling effect of the cooling system.
The existing electronic shielding water pump on the automobile comprises a shell, a stator, a rotor, an impeller shaft, a shielding sleeve, a shaft sleeve and the like, wherein the stator, the rotor, the impeller shaft, the shielding sleeve, the shaft sleeve and the like are arranged in the shell, the stator and the rotor are separated by the shielding sleeve, the rotor is positioned in the shielding sleeve and is fixed on the impeller shaft, the stator is sleeved on the periphery of the shielding sleeve, the shaft sleeve is sleeved on the impeller shaft, and the impeller is fixed. When the pump is electrified, the rotor rotates in a magnetic field formed by the stator to drive the impeller shaft to rotate relative to the shaft sleeve, so that the impeller rotates to form negative pressure in the pump. However, the existing shaft sleeve is arranged on the inner wall of a hole of the shell penetrated by the impeller shaft, and is easy to loosen along the axial direction of the impeller shaft when the water pump works for a long time, so that the use performance of the electronic shielding water pump is influenced.
Accordingly, there is a need for an electronic shield water pump and a vehicle to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electronic shielding water pump and vehicle can improve the installation stability of first axle sleeve and second axle sleeve, has guaranteed electronic shielding water pump's performance.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides an electronic shielding water pump, includes shell assembly, stator and rotor, the shell assembly includes fixed connection's shell body and pump case base, the shell body with the cooperation of pump case base forms first die cavity, the stator with the rotor is all located in the first die cavity, be equipped with first mounting groove on the shell body, be equipped with the second mounting groove on the pump case base, electronic shielding water pump still includes:
the shielding sleeve is arranged in the first cavity, the shielding sleeve is sleeved on the periphery of the rotor, the stator is fixedly sleeved on the periphery of the shielding sleeve, and the rotor can rotate in the shielding sleeve; one end of the shielding sleeve is provided with a butting groove, and the butting groove corresponds to the first mounting groove in position;
the impeller shaft penetrates through the shielding sleeve and the pump shell base, and the rotor is fixed on the impeller shaft;
the first shaft sleeve is sleeved on the impeller shaft, and two ends of the first shaft sleeve are respectively abutted in the first mounting groove and the abutting groove;
and the second shaft sleeve is sleeved on the impeller shaft, one end of the second shaft sleeve is abutted and fixed in the second mounting groove, and the other end of the second shaft sleeve is abutted and fixed with the rotor.
Optionally, the shielding sleeve is fixed to the housing body in an abutting manner, and the first shaft sleeve is fixed to the first mounting groove in an abutting manner and is fixed to a mounting space formed by matching the first mounting groove and the abutting groove.
Optionally, the electronic shielding water pump further includes a butting ring, the butting ring is fixedly sleeved on the impeller shaft, and two ends of the butting ring are respectively butted against the rotor and the second shaft sleeve.
Optionally, the abutting ring includes a rubber sleeve and a ceramic ring, the ceramic ring is fixedly sleeved in the rubber sleeve, the rubber sleeve abuts against the rotor, and the ceramic ring abuts against the second shaft sleeve.
Optionally, the first bushing and/or the second bushing are made of a ceramic material.
Optionally, the first mounting groove is disposed at a center of the housing body, the second mounting groove is disposed at a center of the pump housing base, and the first mounting groove and the second mounting groove correspond in position.
Optionally, the electronic shield water pump further includes an impeller, and the impeller is fixedly disposed at one end of the impeller shaft penetrating through the pump case base.
Optionally, the shell assembly still includes the pump cover, be equipped with inlet channel on the pump cover, the pump cover with pump case base fixed connection, just the pump cover with the cooperation of pump case base forms the second die cavity, the impeller is rotationally located in the second die cavity.
Optionally, the stator is fixedly abutted between the housing body and the shielding sleeve.
A vehicle comprising an electronically shielded water pump as described above.
The utility model has the advantages that:
the utility model provides a pair of electronic shielding water pump and vehicle through with primary shaft cover both ends respectively the butt in first mounting groove and butt inslot, is fixed in the second mounting groove with secondary shaft cover one end butt in, the secondary shaft cover other end and rotor butt realize to primary shaft cover and secondary shaft cover axial and circumference spacing, have improved diaxon cover installation stability, have guaranteed electronic shielding water pump's performance.
Drawings
Fig. 1 is a schematic view of an overall structure of an electronic shielding water pump according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a shielding case in the electronic shielding water pump provided by the embodiment of the present invention.
In the figure:
1. a housing assembly; 11. a housing body; 111. a partition portion; 1111. a first mounting groove; 1112. an annular seal groove; 1113. an annular abutment; 12. a pump housing base; 121. a second mounting groove; 122. a first shaft hole; 13. a pump cover; 131. a liquid inlet channel; 14. a rear cover; 15. a first cavity; 16. a second cavity; 17. a third cavity; 2. a first seal ring; 3. a stator; 4. a rotor; 5. a shielding sleeve; 51. a butt joint groove; 52. a second shaft hole; 53. reinforcing ribs; 6. a second seal ring; 7. an impeller shaft; 8. an impeller; 9. a first bushing; 10. a second shaft sleeve; 20. a butting ring; 201. a rubber sleeve; 202. a ceramic ring; 30. an electronic control assembly.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment discloses an electronic shielding water pump, as shown in fig. 1 and 2, the electronic shielding water pump includes a housing assembly 1, a stator 3, a rotor 4, a shielding sleeve 5, an impeller shaft 7, a first shaft sleeve 9 and a second shaft sleeve 10, the stator 3, the rotor 4, the shielding sleeve 5, the first shaft sleeve 9 and the second shaft sleeve 10 are all arranged in the housing assembly 1, and the impeller shaft 7 penetrates through a first cavity 15. Specifically, the housing assembly 1 includes a housing body 11 and a pump housing base 12 which are fixedly connected, a first mounting groove 1111 is arranged on the housing body 11, a second mounting groove 121 is arranged on the pump housing base 12, and the housing body 11 and the pump housing base 12 are matched to form a first cavity 15. The stator 3 and the rotor 4 are both arranged in the first cavity 15. In first die cavity 15 was located to the housing 5, on the rotor 4 was located to the housing 5 cover, 5 peripheries of housing were located to the fixed cover of stator 3, rotor 4 can be at the 5 internal rotations of housing, and housing 5 is equipped with butt groove 51, and butt groove 51 corresponds with first mounting groove 1111. The impeller shaft 7 is arranged by penetrating the shielding sleeve 5 and the pump shell base 12, and the rotor 4 is fixed on the impeller shaft 7 to drive the impeller shaft 7 to rotate. The first shaft sleeve 9 is sleeved on the impeller shaft 7, and two ends of the first shaft sleeve 9 are respectively abutted in the first mounting groove 1111 and the abutting groove 51 so as to limit the circumferential direction and the axial direction of the first shaft sleeve 9 and ensure the connection stability. The second shaft sleeve 10 is sleeved on the impeller shaft 7, one end of the second shaft sleeve 10 is abutted in the second mounting groove 121, and the other end of the second shaft sleeve 10 is abutted with the rotor 4, so that the circumferential and axial limiting of the second shaft sleeve 10 is realized, and the connection stability is ensured. The electronic shielding water pump provided by the embodiment ensures the installation stability of the two shaft sleeves through the axial and circumferential limitation of the first shaft sleeve 9 and the second shaft sleeve 10, and ensures the use performance of the electronic shielding water pump.
Alternatively, the first mounting groove 1111 is provided at the center of the housing body 11. Illustratively, the two ends of the housing body 11 are open, and a partition 111 is provided therein, and the partition 111 divides the interior of the housing body 11 into two parts. The first mounting groove 1111 is disposed at a center of an end surface of the partition 111, and the first mounting groove 1111 is machined to ensure concentricity with the housing body 11. An annular seal groove 1112 and an annular abutting portion 1113 are provided in this order at intervals along the outer periphery of the first mounting groove 1111.
Alternatively, the pump casing base 12 is fixedly connected to one of the openings of the casing body 11, and the two can be detachably mounted and fixed through a bolt or a pin structure. The pump case base 12, the housing body 11, and the partition 111 cooperate to form a first cavity 15. The second mounting groove 121 is disposed at the center of the pump casing base 12, and the second mounting groove 121 is also machined to ensure concentricity with the pump casing base 12. The second mounting groove 121 corresponds to the first mounting groove 1111 in position to ensure concentricity of the housing body 11 and the pump housing base 12, and the accuracy of the concentricity is high. The pump casing base 12 is also provided with a first shaft hole 122 at the center thereof.
Optionally, the housing assembly 1 further includes a pump cover 13, the pump cover 13 is provided with a liquid inlet channel 131, the pump cover 13 is fixedly connected to the pump housing base 12, and the pump cover 13 is matched with the pump housing base 12 to form the second cavity 16. Illustratively, the pump cover 13 and the pump casing base 12 can be detachably fixed by a bolt or a pin structure. The side wall of the second cavity 16 is provided with a liquid outlet channel communicated with the liquid inlet channel 131.
Optionally, the housing assembly 1 further includes a rear cover 14, the rear cover 14 is fixedly connected to another opening of the housing body 11, and the rear cover and the housing body can be detachably mounted and fixed through a bolt or a pin structure. The rear cover 14 forms a third cavity 17 in cooperation with the housing body 11 and the partition 111.
Further, in order to ensure the sealing performance of the housing assembly 1, first sealing rings 2 are respectively arranged at the joint of the housing body 11 and the pump housing base 12, the joint of the housing body 11 and the rear cover 14, and the joint of the pump housing base 12 and the pump cover 13. The first sealing ring 2 is preferably an O-ring. In order to reduce the weight of the whole machine, the shell body 11, the pump shell base 12, the pump cover 13 and the rear cover 14 are all formed by aluminum alloy through die casting.
Alternatively, the stator 3 is provided with a winding coil capable of generating a magnetic field when energized. The stator 3 is hollow and cylindrical, and a plurality of stator slots are formed in the inner wall of the stator 3 at intervals along the circumferential direction so as to facilitate the installation and fixation of the stator 3.
Alternatively, the rotor 4 is capable of rotational movement within the electromagnetic field generated by the stator 3, i.e. the rotor 4 should be within the magnetic field generated by the stator 3 to ensure that it can rotate. Since the structure and operation principle of the stator 3 and the rotor 4 are prior art, they will not be described in detail herein.
The shield case 5 is fixed in abutment with the housing body 11. Illustratively, the shielding sleeve 5 is a structure with one end open and the other end closed. The open end edge of the shielding sleeve 5 is fixedly connected with the pump shell base 12, and the shielding sleeve and the pump shell base can be detachably mounted and fixed through a bolt or a pin structure. The closed end of the shield sleeve 5 is fixed in abutment with the partition 111, the annular seal groove 1112 is located in the abutment position, and the outer sidewall of the closed end of the shield sleeve 5 is fixed in abutment with the inner sidewall of the annular abutment portion 1113. The shielding sleeve 5 is provided with an abutting groove 51 and a second shaft hole 52 communicated with the abutting groove 51 at the center of the closed end. Preferably, the abutment groove 51 is a groove formed in the shielding sleeve 5, and the surface of the groove is flush with the surface of the shielding sleeve 5. The end face of the shield shell 5 can be attached to the partition 111, and the abutting groove 51 and the first mounting groove 1111 cooperate to form a closed mounting space.
Furthermore, the periphery of the shielding sleeve 5 is provided with a reinforcing rib 53 along the axial direction, and the reinforcing rib 53 can be inserted into the stator slot, so that the stator 3 is fixed between the shielding sleeve 5 and the inner wall of the shell body 11. Meanwhile, the reinforcing ribs 53 can also enhance the structural strength of the shielding sleeve 5 and reduce deformation. Alternatively, the reinforcing rib 53 is provided in plurality, and the plurality of reinforcing ribs 53 are provided in one-to-one correspondence with the plurality of stator slots.
To ensure the sealing property of the connection between the shield case 5 and the partition 111 and the pump housing base 12. The second seal ring 6 is disposed at the joint between the end face of the closed end of the shield sleeve 5 and the partition 111 (i.e., in the annular seal groove 1112), between the outer side wall of the closed end of the shield sleeve 5 and the inner side wall of the annular contact part 1113, and at the joint between the open end edge of the shield sleeve 5 and the pump housing base 12. The second sealing ring 6 is preferably an O-ring. It is understood that a certain abdicating gap is arranged between the outer side wall of the closed end of the shielding sleeve 5 and the inner side wall of the annular abutting part 1113 and at the joint of the open end edge of the shielding sleeve 5 and the pump shell base 12, so that the second sealing ring 6 is prevented from being out of work due to extrusion deformation of the corresponding second sealing ring 6.
Alternatively, one end of the impeller shaft 7 is inserted into the first mounting groove 1111, and the other end of the impeller shaft 7 passes through the second shaft hole 52, the second mounting groove 121 and the first shaft hole 122 in sequence to be located in the second cavity 16. The rotor 4 is fixedly sleeved on the periphery of the impeller shaft 7 to drive the impeller shaft 7 to rotate.
Further, the electronic shielding water pump further comprises an impeller 8, and the impeller 8 is fixedly sleeved on the periphery of the impeller shaft 7 and is located in the second cavity 16. When the liquid pump is powered on, the impeller shaft 7 is driven to rotate by the rotation of the rotor 4, the impeller shaft 7 drives the impeller 8 to rotate, the impeller 8 rotates to enable liquid in the second cavity 16 to do centrifugal motion, and the liquid in the second cavity 16 is continuously pumped to the liquid outlet channel.
Optionally, the first bushing 9 is fixedly abutted in an installation space formed by the first installation groove 1111 and the abutting groove 51 in a matching manner, so that the axial direction and the circumferential direction of the first bushing 9 are limited, and the installation stability is ensured. The impeller shaft 7 is rotatable relative to the first hub 9.
Alternatively, the axial direction and the circumferential direction of the second shaft sleeve 10 are limited by the abutment of the second mounting groove 121 and the rotor 4, and the impeller shaft 7 can rotate relative to the second shaft sleeve 10. Further, the first bushing 9 and/or the second bushing 10 are made of a ceramic material to reduce wear on the first bushing 9 or the second bushing 10, and in this embodiment, the first bushing 9 and the second bushing 10 are both made of a ceramic material to reduce wear on the bushings. In other embodiments, the materials of the first sleeve 9 and the second sleeve 10 may be selected according to the requirement, and are not limited to this embodiment.
Further, the electronic shielding water pump further comprises a butting ring 20, the butting ring 20 is fixedly sleeved on the impeller shaft 7, and two ends of the butting ring 20 are respectively butted with the rotor 4 and the second shaft sleeve 10. The abutting ring 20 includes a rubber sleeve 201 and a ceramic ring 202, the ceramic ring 202 is fixedly sleeved in the rubber sleeve 201, the rubber sleeve 201 abuts against the rotor 4 to insulate the rotor 4, and the ceramic ring 202 abuts against the second sleeve 10.
Further, the electronic shielding water pump further comprises an electronic control assembly 30, and the electronic control assembly 30 is arranged in the third cavity 17 to provide power for the stator 3.
It should be noted that, in this embodiment, the structure for describing the electronic shield water pump in detail is the prior art, and is not described here again.
The embodiment also provides a vehicle comprising the electronic shield water pump.
Therefore, the embodiment of the utility model provides a pair of electronic shielding water pump and vehicle, through with 9 both ends of primary shaft cover respectively the butt in first mounting groove 1111 and butt groove 51, in being fixed in second mounting groove 121 with 10 one end butts of secondary shaft cover, the realization is spacing to 10 axial of primary shaft cover 9 and secondary shaft cover and circumference, has improved diaxon cover installation stability, has guaranteed electronic shielding water pump's performance.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. The utility model provides an electronic shielding water pump, includes shell assembly (1), stator (3) and rotor (4), its characterized in that, shell assembly (1) includes fixed connection's shell body (11) and pump case base (12), shell body (11) with pump case base (12) cooperation forms first die cavity (15), stator (3) with rotor (4) are all located in first die cavity (15), be equipped with first mounting groove (1111) on shell body (11), be equipped with second mounting groove (121) on pump case base (12), the electronic shielding water pump still includes:
the shielding sleeve (5) is arranged in the first cavity (15), the shielding sleeve (5) is sleeved on the periphery of the rotor (4), the stator (3) is fixedly sleeved on the periphery of the shielding sleeve (5), and the rotor (4) can rotate in the shielding sleeve (5); one end of the shielding sleeve (5) is provided with a butting groove (51), and the butting groove (51) corresponds to the first mounting groove (1111);
the impeller shaft (7) penetrates through the shielding sleeve (5) and the pump shell base (12), and the rotor (4) is fixed on the impeller shaft (7);
the first shaft sleeve (9) is sleeved on the impeller shaft (7), and two ends of the first shaft sleeve (9) are respectively abutted in the first mounting groove (1111) and the abutting groove (51);
and the second shaft sleeve (10) is sleeved on the impeller shaft (7), one end of the second shaft sleeve (10) is abutted and fixed in the second mounting groove (121), and the other end of the second shaft sleeve (10) is abutted and fixed with the rotor (4).
2. The electric shield water pump according to claim 1, wherein the shield sleeve (5) is fixed in abutment with the housing body (11), and the first bushing (9) is fixed in abutment in an installation space formed by the first installation groove (1111) and the abutment groove (51).
3. The electric shield water pump according to claim 2, further comprising a butting ring (20), wherein the butting ring (20) is fixedly sleeved on the impeller shaft (7), and two ends of the butting ring (20) are respectively butted with the rotor (4) and the second shaft sleeve (10).
4. The electronically shielded water pump according to claim 3, wherein the abutment ring (20) comprises a rubber sleeve (201) and a ceramic ring (202), the ceramic ring (202) is fixedly sleeved in the rubber sleeve (201), the rubber sleeve (201) abuts against the rotor (4), and the ceramic ring (202) abuts against the second bushing (10).
5. The electronically shielded water pump according to claim 4, characterized in that the first bushing (9) and/or the second bushing (10) are made of a ceramic material.
6. The electric shield water pump according to any one of claims 1 to 5, wherein the first mounting groove (1111) is provided at a center of the housing body (11), the second mounting groove (121) is provided at a center of the pump housing base (12), and positions of the first mounting groove (1111) and the second mounting groove (121) correspond.
7. The electric shield water pump according to any one of claims 1 to 5, characterized in that the electric shield water pump further comprises an impeller (8), and the impeller (8) is fixedly arranged at one end of the impeller shaft (7) penetrating out of the pump shell base (12).
8. The electronic shielding water pump according to claim 7, wherein the housing assembly (1) further comprises a pump cover (13), the pump cover (13) is provided with a liquid inlet channel (131), the pump cover (13) is fixedly connected with the pump housing base (12), the pump cover (13) and the pump housing base (12) are matched to form a second cavity (16), and the impeller (8) is rotatably arranged in the second cavity (16).
9. The electronically shielded water pump according to claim 8, wherein the stator (3) is fixedly abutted between the housing body (11) and the shielding sleeve (5).
10. A vehicle characterized by comprising an electronically shielded water pump as claimed in any one of claims 1 to 9.
Priority Applications (1)
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CN202021915340.4U CN213392719U (en) | 2020-09-04 | 2020-09-04 | Electronic shielding water pump and vehicle |
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CN202021915340.4U CN213392719U (en) | 2020-09-04 | 2020-09-04 | Electronic shielding water pump and vehicle |
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CN213392719U true CN213392719U (en) | 2021-06-08 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113641165A (en) * | 2021-08-12 | 2021-11-12 | 中汽创智科技有限公司 | Anti-interference test system and method for rear cover controller |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113641165A (en) * | 2021-08-12 | 2021-11-12 | 中汽创智科技有限公司 | Anti-interference test system and method for rear cover controller |
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