CN219554768U - Electric pump - Google Patents
Electric pump Download PDFInfo
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- CN219554768U CN219554768U CN202320155982.6U CN202320155982U CN219554768U CN 219554768 U CN219554768 U CN 219554768U CN 202320155982 U CN202320155982 U CN 202320155982U CN 219554768 U CN219554768 U CN 219554768U
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- axial direction
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Abstract
An electric pump is provided, which is capable of suppressing deformation of a claw fitted to a motor housing of an inverter housing to loosen the coupling between the inverter housing and the motor housing. The electric pump of the present utility model includes: a motor housing; and an inverter case that is assembled to one side in an axial direction of the motor case, and has a plurality of claws arranged in a circumferential direction at an end portion of the other side in the axial direction, the plurality of claws being fitted to the motor case from an outer peripheral side, wherein the inverter case further includes a metallic tubular member that surrounds the plurality of claws from the outer peripheral side and restricts the plurality of claws from being opened to the outer peripheral side.
Description
Technical Field
The present utility model relates to an electric pump.
Background
Conventionally, there is an electric pump including: a motor housing; and an inverter case that is assembled to one side in the axial direction of the motor case, and has a plurality of claws arranged in the circumferential direction at an end portion on the other side in the axial direction, the plurality of claws being fitted to the motor case from the outer circumferential side.
However, in the actual use of the electric pump, since other devices are sometimes provided around the other end portion of the inverter case in the axial direction, some of the claws have to be removed to avoid interference with each other, and in this case, the remaining claws tend to open in a direction away from the motor case due to vibration or the like, and the coupling between the inverter case and the motor case becomes loose.
Disclosure of Invention
The present utility model has been made in view of the above-described problems, and an object of the present utility model is to provide an electric pump that helps to suppress loosening of the coupling between an inverter case and a motor case due to deformation of a claw fitted to the motor case.
In order to achieve the above object, the present utility model provides an electric pump comprising: a motor housing; and an inverter case that is assembled to one side in an axial direction of the motor case, and has a plurality of claws arranged in a circumferential direction at an end portion on the other side in the axial direction, the plurality of claws being fitted to the motor case from an outer peripheral side, wherein the inverter case further includes a metallic tubular member that surrounds the plurality of claws from the outer peripheral side and restricts the plurality of claws from being opened in a direction away from the motor case.
According to the electric pump of the present utility model, since the motor housing is provided with the motor housing, the motor housing can be easily assembled with the motor housing, and the motor housing can be easily assembled with the motor housing.
In the electric pump according to the present utility model, it is preferable that a first holding portion that restricts movement of the inverter case relative to the cylindrical member to one side in the axial direction is formed on one side of the cylindrical member in the axial direction, and a second holding portion that restricts movement of the inverter case relative to the cylindrical member to the other side in the axial direction is formed on the other side of the cylindrical member in the axial direction.
According to the electric pump of the present utility model, the first holding portion that restricts movement of the inverter case to one side in the axial direction with respect to the tubular member is formed on one side in the axial direction of the tubular member, and the second holding portion that restricts movement of the inverter case to the other side in the axial direction with respect to the tubular member is formed on the other side in the axial direction of the tubular member, so that the tubular member can be prevented from coming off the inverter case in the axial direction, and reliable functioning of the tubular member can be ensured.
In the electric pump according to the present utility model, it is preferable that the inverter case has a first tubular portion having the claw on the other side in the axial direction, the tubular member has a tubular body portion surrounding the first tubular portion from an outer peripheral side, an extending portion extending toward an inner peripheral side as the first holding portion is formed at an end portion on one side in the axial direction of the tubular body portion, the extending portion is in contact with an end surface on one side in the axial direction of the first tubular portion, a projection protruding toward the inner peripheral side as the second holding portion is provided in a middle in the axial direction of the tubular body portion, and the projection enters a gap formed between two circumferentially adjacent claws.
According to the electric pump of the present utility model, the inverter case has the first cylindrical portion having the claw on the other side in the axial direction, the cylindrical member has the cylindrical main body portion surrounding the first cylindrical portion from the outer peripheral side, the extending portion extending toward the inner peripheral side as the first holding portion is formed at the end portion on one side in the axial direction of the cylindrical main body portion, the extending portion is in contact with the end face on the one side in the axial direction of the first cylindrical portion, the projection protruding toward the inner peripheral side as the second holding portion is provided midway in the axial direction of the cylindrical main body portion, and the projection enters the gap formed between the two claws adjacent in the circumferential direction, and therefore, the first holding portion and the second holding portion can be formed with a simple structure, and the increase in manufacturing cost is suppressed.
In the electric pump according to the present utility model, it is preferable that the claws adjacent to the protrusions on both sides in the circumferential direction abut the protrusions from both sides in the circumferential direction.
According to the electric pump of the present utility model, since the claws adjacent to the protrusions on both sides in the circumferential direction are abutted against the claws from both sides in the circumferential direction, the cylinder member can be restrained from moving in the circumferential direction with respect to the inverter case, thereby ensuring a more reliable functioning of the cylinder member.
In the electric pump according to the present utility model, it is preferable that the protrusions are provided in plural at intervals in the circumferential direction.
According to the electric pump of the present utility model, since the plurality of protrusions are provided at intervals in the circumferential direction, the inverter case is made to be force-balanced in the circumferential direction, and the cylindrical member is ensured to function more reliably.
In the electric pump according to the present utility model, it is preferable that the inverter case has a second cylindrical portion adjacent to the first cylindrical portion at a position on the axial side of the first cylindrical portion, and having an outer diameter smaller than an outer diameter of the first cylindrical portion, and a presentation portion is provided on the end surface and/or an outer peripheral surface of the second cylindrical portion at a circumferential position corresponding to the protrusion, the presentation portion being exposed from the tubular member.
According to the electric pump of the present utility model, the inverter case has the second cylindrical portion adjacent to the first cylindrical portion at the position on the axial side of the first cylindrical portion and having the outer diameter smaller than the outer diameter of the first cylindrical portion, and the presenting portion is provided on the end surface and/or the outer peripheral surface of the second cylindrical portion at the circumferential position corresponding to the projection, and the presenting portion is exposed from the cylindrical member, so that the forming position of the projection on the cylindrical member can be easily determined in the circumferential direction according to the position of the presenting portion at the time of manufacturing, thereby improving the manufacturing efficiency.
In the electric pump according to the present utility model, it is preferable that the presenting part is a convex part or a concave part provided on an outer peripheral surface of the second cylindrical part, the extending part extends in the entire circumferential direction, and a notch recessed toward the outer peripheral side and accommodating the presenting part is formed in a circumferential position corresponding to the presenting part.
According to the electric pump of the present utility model, the presenting part is a convex part or a concave part provided on the outer peripheral surface of the second cylindrical part, the extending part extends in the entire circumferential direction, and the extending part is formed with the notch recessed toward the outer peripheral side and accommodating the presenting part at the circumferential position corresponding to the presenting part, so that the presenting part can be formed with a simple structure, and the increase in manufacturing cost can be suppressed.
In the electric pump according to the present utility model, it is preferable that the inverter case has a first tubular portion having the claw on the other side in the axial direction, the tubular member has a tubular body portion surrounding the first tubular portion from an outer peripheral side, an extending portion extending toward an inner peripheral side as the first holding portion is formed at an end portion on one side in the axial direction of the tubular body portion, the extending portion is in contact with an end surface of the first tubular portion facing one side in the axial direction, a protrusion protruding toward the inner peripheral side and extending in the circumferential direction as the second holding portion is provided in a middle in the axial direction of the tubular body portion, and a groove in which the protrusion is fitted and extending in the circumferential direction is provided at a portion located between the claw and the end surface in the axial direction at the first tubular portion.
According to the electric pump of the present utility model, the inverter case has the first cylindrical portion having the claw on the other side in the axial direction, the cylindrical member has the cylindrical main body portion surrounding the first cylindrical portion from the outer peripheral side, the extended portion extending toward the inner peripheral side as the first holding portion is formed at the end portion on one side in the axial direction of the cylindrical main body portion, the extended portion is in contact with the end face on one side in the axial direction of the first cylindrical portion, the protrusion protruding toward the inner peripheral side as the second holding portion and extending in the circumferential direction is provided midway in the axial direction of the cylindrical main body portion, and the groove in which the protrusion is fitted and which extends in the circumferential direction is provided at the portion between the claw and the end face in the axial direction at the first cylindrical portion, so that the first holding portion and the second holding portion can be formed in a simple structure, the increase in manufacturing cost is suppressed, and, when the protrusion is formed, accurate positioning in the circumferential direction is not required, and the manufacturing efficiency can be improved.
Further, in the electric pump of the present utility model, it is preferable that the projection and the groove are continuously formed in the entire circumferential direction, respectively.
According to the electric pump of the present utility model, the protrusions and the grooves are continuously formed in the entire circumferential direction, respectively, and therefore, the bonding strength between the cylinder member and the inverter case can be improved.
In the electric pump according to the present utility model, it is preferable that the inverter case has a first tubular portion having the claw on the other side in the axial direction, the tubular member has a tubular body portion surrounding the first tubular portion from an outer peripheral side, a first extending portion extending toward the inner peripheral side as the first holding portion is formed at an end portion on one side in the axial direction of the tubular body portion, the first extending portion is in contact with an end surface of the first tubular portion on one side in the axial direction, a second extending portion extending toward the inner peripheral side as the second holding portion is formed at an end portion on the other side in the axial direction of the tubular body portion, and the other side in the axial direction of the second extending portion is in contact with a tip end of the claw.
According to the electric pump of the present utility model, the inverter case has the first cylindrical portion having the claw on the other side in the axial direction, the cylindrical member has the cylindrical body portion surrounding the first cylindrical portion from the outer peripheral side, the first extending portion extending toward the inner peripheral side as the first holding portion is formed at the end portion on one side in the axial direction of the cylindrical body portion, the first extending portion is in contact with the end face of the first cylindrical portion toward the one side in the axial direction, the second extending portion extending toward the inner peripheral side as the second holding portion is formed at the end portion on the other side in the axial direction of the cylindrical body portion, and the other side in the axial direction is in contact with the tip end of the claw, and therefore, the first holding portion and the second holding portion can be formed with a simple structure, and an increase in manufacturing cost can be suppressed.
In the electric pump according to the present utility model, it is preferable that the inverter case has a notch portion formed by the missing of the claw at a part in the circumferential direction, and the notch portion is uniformly distributed in the circumferential direction.
According to the electric pump of the present utility model, since the notched portions are formed in the inverter case by the missing of the claws in a part of the circumferential direction, the notched portions are uniformly distributed in the circumferential direction, which contributes to the balance of the stress of the inverter case in the circumferential direction and ensures that the tube member functions more reliably.
In the electric pump according to the present utility model, the inverter case is preferably made of resin.
(effects of the utility model)
According to the present utility model, since the motor housing is provided with the motor housing, the motor housing can be easily assembled with the motor housing, and the motor housing can be easily assembled with the motor housing.
Drawings
Fig. 1 is a perspective view schematically showing an electric pump according to an embodiment of the present utility model.
Fig. 2 is a perspective view schematically showing a state in which a cylinder member of the electric pump according to the embodiment of the present utility model is removed.
Fig. 3 is a partially cut-away perspective view schematically showing an electric pump according to an embodiment of the present utility model.
Fig. 4 is a partially cut-away perspective view schematically showing an electric pump according to a modification of the present utility model.
Fig. 5 is a partially cut-away perspective view schematically showing an electric pump according to another modification of the present utility model.
Fig. 6 is a partially cut-away perspective view schematically showing an electric pump according to still another modification of the present utility model.
(symbol description)
1. Electric pump
10. Motor shell
11. Mounting part
12. Annular groove
20. Inverter casing
21. A first cylindrical part
211. Claw
212. Notch portion
213. Groove(s)
22. A second cylindrical part
221. Presentation part
23. Bottom part
30. Barrel component
31. Cylindrical body part
311. Protrusions
312. Protrusions
32. Extension part
321. Notch
33. Second extension part
40. Pump housing
50. Tubular member
51. Annular protrusion
HD1 first holding part
HD2 second holding part
Detailed Description
Next, an electric pump according to an embodiment of the present utility model will be described with reference to fig. 1 to 3, wherein fig. 1 is a perspective view schematically showing the electric pump according to the embodiment of the present utility model, fig. 2 is a perspective view schematically showing the electric pump according to the embodiment of the present utility model with a cylinder member removed, and fig. 3 is a partially cut-away perspective view schematically showing the electric pump according to the embodiment of the present utility model.
Here, for convenience of explanation, one side in the axial direction, which is the extending direction of the rotation axis of the motor included in the electric pump, is L1, and the other side in the axial direction is L2.
(integral Structure of electric Pump)
As shown in fig. 1 to 3, the electric pump 1 includes: a motor housing 10; and an inverter case 20 that is assembled to one side L1 of the motor case 10 in the axial direction, and has a plurality of claws 211 arranged in the circumferential direction at an end of the other side L2 in the axial direction, the plurality of claws 211 being fitted to the motor case 10 from the outer circumferential side, and the electric pump 1 further includes a metallic tube member 30 that surrounds the plurality of claws 211 from the outer circumferential side and restricts the plurality of claws 211 from opening in a direction away from the motor case 10.
Here, as shown in fig. 1, the electric pump 1 further includes a pump housing 40, and the pump housing 40 is integrally formed at the other side L2 in the axial direction of the motor housing 10.
As shown in fig. 3, a tubular member 50 is provided on the inner peripheral side of the joint portion between the motor case 10 and the inverter case 20, the tubular member 50 extending in the axial direction, and an annular protrusion 51 is formed in the middle of the tubular member 50 in the axial direction, and the annular protrusion 51 is sandwiched between the motor case 10 and the inverter case 20 in the axial direction.
(Motor housing and its internal Structure)
As shown in fig. 1 and 2, the motor housing 10 has a substantially cylindrical shape centered on the rotation axis of the motor housed in the motor housing 10, and is made of, for example, resin.
As shown in fig. 1 and 2, a mounting portion 11 protruding toward the outer peripheral side is formed in the middle of the motor case 10 in the axial direction, and the electric pump 1 can be fixed to an external device or the like by the mounting portion 11.
As shown in fig. 3, an annular groove 12 is formed in the motor case 10 at a position closer to one side L1 in the axial direction than the mounting portion 11, and the annular groove 12 is fitted with the tips of the plurality of claws 211 of the inverter case 20.
Further, a rotor and a stator surrounding the rotor from the outer peripheral side are housed in the motor case 10.
(inverter case and internal Structure thereof)
As shown in fig. 1 and 2, the inverter case 20 has a substantially bottomed tubular shape centered on the rotation axis of the motor housed in the motor case 10, and is made of, for example, resin. Further, the inverter case 20 is formed with notches 212 due to the missing of the claws 211 at a part in the circumferential direction, and the notches 212 are uniformly distributed in the circumferential direction.
Specifically, the inverter case 20 includes a first cylindrical portion 21, and the other side L2 of the first cylindrical portion 21 in the axial direction includes a claw 211, and the first cylindrical portion 21 has a notch 212 due to the claw 211 being partially missing in the circumferential direction. The inverter case 20 includes a second cylindrical portion 22, and the second cylindrical portion 22 is adjacent to the first cylindrical portion 21 at a position closer to one side L1 in the axial direction than the first cylindrical portion 21, and has an outer diameter smaller than that of the first cylindrical portion 21. The inverter case 20 has a bottom 23, and the bottom 23 closes an opening of one side L1 of the second cylindrical portion 22 in the axial direction.
As shown in fig. 2, a presentation portion 221 is provided on the outer peripheral surface of the second cylindrical portion 22 at a circumferential position corresponding to a projection 311 (see fig. 3) of the cylindrical member 30. The presentation portion 221 is a projection (extending in the axial direction in the illustrated example, but is not limited to this) provided on the outer peripheral surface of the second cylindrical portion 22.
Further, a circuit board is housed in the inverter case 20, and the circuit board is electrically connected to coils of a stator housed in the motor case 10, and is provided with electrical components such as a switching element.
(Structure of barrel component)
As shown in fig. 1, the tubular member 30 has a substantially tubular shape centered on the rotation axis of the motor housed in the motor case 10.
As shown in fig. 3, a first holding portion HD1 is formed on one side L1 of the tubular member 30 in the axial direction, the first holding portion HD1 restricts movement of the inverter case 20 relative to the tubular member 30 toward the one side L1 in the axial direction, and a second holding portion HD2 is formed on the other side L2 of the tubular member 30 in the axial direction, the second holding portion HD2 restricting movement of the inverter case 20 relative to the tubular member 30 toward the other side L2 in the axial direction.
Specifically, as shown in fig. 3, the tubular member 30 includes a tubular body portion 31, the tubular body portion 31 surrounds the first tubular portion 21 from the outer peripheral side, an extension portion 32 extending toward the inner peripheral side as the first holding portion HD1 is formed at one end portion in the axial direction of the tubular body portion 31, the extension portion 32 is in contact with the end face of the first tubular portion 21 on the side L1 in the axial direction, a projection 311 protruding toward the inner peripheral side as the second holding portion HD2 is provided midway in the axial direction of the tubular body portion 31, and the projection 311 enters a gap formed between two claws 211 adjacent in the circumferential direction. The projection 311 is formed by, for example, pressing the tubular body 31 from the outer peripheral side toward the inner peripheral side. As shown in fig. 1, the extension 32 extends in the entire circumferential direction, and the extension 32 is formed with a notch 321 recessed toward the outer circumferential side at a circumferential position corresponding to the presentation portion 221 to receive the presentation portion 221 so that the presentation portion 221 is exposed.
Further, the claws 211 adjacent to the projection 311 on both sides in the circumferential direction are in contact with the projection 311 from both sides in the circumferential direction. Also, the protrusions 311 are provided in plurality at intervals in the circumferential direction. The protrusions 311 may be provided in plurality at equal intervals in the circumferential direction.
(Pump housing and its internal Structure)
As shown in fig. 1, the pump housing 40 has a substantially cylindrical shape centered on the rotation axis of the motor housed in the motor housing 10, and is made of, for example, resin.
Further, a pump member driven by a rotor housed in the motor housing 10 is provided in the pump housing 40.
(main effects of the present embodiment)
According to the electric pump 1 of the present embodiment, since the metal tube member 30 is provided, the tube member 30 surrounds the plurality of claws 211 from the outer circumferential side and limits the plurality of claws 211 from being opened in the direction away from the motor housing 10, even if it is necessary to remove a part of the claws 211 of the inverter housing 20 in order to reduce the size or avoid interference with other parts that come close to each other, etc., the remaining claws 211 are prevented from being opened in the direction away from the motor housing 10 by the tube member 30, and the decrease in the bonding strength between the inverter housing 20 and the motor housing 10 is avoided.
The utility model has been described above by way of example with reference to the accompanying drawings, it being apparent that the utility model is not limited to the embodiments described above.
For example, in the above-described embodiment, as shown in fig. 4, a protrusion 312 protruding toward the inner circumferential side and extending in the circumferential direction as the second holding portion (for example, formed by pressing the tubular body portion 31 toward the inner circumferential side from the outer circumferential side) may be provided in the middle of the tubular body portion 31 in the axial direction, and a groove 213 in which the protrusion 312 is fitted and extending in the circumferential direction may be provided at the first tubular portion 21 at a position located between the claw 211 and the end face of the one side L1 facing the axial direction in the axial direction. In this case, it is preferable that the protrusions 312 and the grooves 213 are continuously formed in the entire circumferential direction, respectively.
In the above embodiment, as shown in fig. 5, a second extending portion 33 extending toward the inner circumferential side as a second holding portion may be formed at the end portion of the other side L2 in the axial direction of the tubular body portion 31, and the second extending portion 33 may be in contact with the tip end of the claw 211 from the other side L2 in the axial direction.
In the above embodiment, as shown in fig. 6, the end portion of the other side L2 in the axial direction of the tubular body portion 31 may be extended to a position on the other side L2 in the axial direction than the claw 211, an extended portion extending toward the inner peripheral side may be formed at the end portion, and the extended portion may be fitted into a groove formed in the outer peripheral surface of the motor case 10. Thereby, the inverter case 20 can be further restricted from moving in the axial direction with respect to the motor case 10.
In the above embodiment, the presentation portion 221 is provided on the outer peripheral surface of the second cylindrical portion 22 at the circumferential position corresponding to the projection 311 of the tubular member 30, but the present utility model is not limited to this, and the presentation portion 221 may be formed on the end surface of the first cylindrical portion 21 on the side L1 facing in the axial direction instead of the outer peripheral surface of the second cylindrical portion 22, or the present utility model may be formed on both the end surface of the first cylindrical portion 21 on the side L1 facing in the axial direction and the outer peripheral surface of the second cylindrical portion 22.
In the above embodiment, the presenting part 221 is a convex part, but the present utility model is not limited to this, and the presenting part 221 may be a concave part, or may be another mark.
It is to be understood that the present utility model can freely combine the respective portions in the embodiment, or appropriately modify and omit the respective portions in the embodiment within the scope thereof.
Claims (12)
1. An electric pump, comprising: a motor housing; and an inverter housing assembled to one side in an axial direction of the motor housing, and having a plurality of claws arranged in a circumferential direction at an end portion of the other side in the axial direction, the plurality of claws being fitted to the motor housing from an outer circumferential side,
the motor housing further includes a metallic tubular member that surrounds the plurality of claws from the outer circumferential side and restricts the plurality of claws from being opened in a direction away from the motor housing.
2. The electric pump according to claim 1, wherein,
a first holding portion that restricts movement of the inverter case toward one side in the axial direction with respect to the cylindrical member is formed on one side in the axial direction of the cylindrical member,
a second holding portion that restricts movement of the inverter case relative to the tube member toward the other side in the axial direction is formed at the tube member at a position on the other side in the axial direction than the first holding portion.
3. The electric pump according to claim 2, wherein,
the inverter case has a first cylindrical portion having the claw on the other side in an axial direction,
the tubular member has a tubular body portion surrounding the first tubular portion from the outer peripheral side,
an extending portion extending toward the inner peripheral side as the first holding portion is formed at an end portion of one side in the axial direction of the cylindrical body portion, the extending portion being in contact with an end face of the first cylindrical portion on one side in the axial direction,
a projection is provided as the second holding portion, which projects toward the inner circumferential side, in the middle of the cylindrical body portion in the axial direction, and which enters a gap formed between two circumferentially adjacent claws.
4. The electric pump according to claim 3, wherein,
the claws adjacent to the protrusions on both sides in the circumferential direction are in contact with the protrusions from both sides in the circumferential direction.
5. The electric pump according to claim 3, wherein,
the protrusions are provided in plural at intervals in the circumferential direction.
6. The electric pump according to claim 3, wherein,
the inverter case has a second cylindrical portion adjacent to the first cylindrical portion at a position on one side in an axial direction from the first cylindrical portion, and having an outer diameter smaller than an outer diameter of the first cylindrical portion,
on the end surface and/or the outer peripheral surface of the second cylindrical portion, a presenting portion is provided at a circumferential position corresponding to the protrusion, the presenting portion being exposed from the cylindrical member.
7. The electric pump according to claim 6, wherein,
the presentation part is a convex part or a concave part arranged on the outer peripheral surface of the second cylindrical part,
the extension extends in the entire circumferential direction,
the extension portion is formed with a notch recessed toward the outer peripheral side at a circumferential position corresponding to the presenting portion and accommodating the presenting portion.
8. The electric pump according to claim 2, wherein,
the inverter case has a first cylindrical portion having the claw on the other side in an axial direction,
the tubular member has a tubular body portion surrounding the first tubular portion from the outer peripheral side,
an extending portion extending toward the inner peripheral side as the first holding portion is formed at an end portion of one side in the axial direction of the cylindrical body portion, the extending portion being in contact with an end face of the first cylindrical portion on one side in the axial direction,
a protrusion protruding toward the inner peripheral side and extending in the circumferential direction as the second holding portion is provided midway in the axial direction of the cylindrical body portion,
at the first cylindrical portion, a groove into which the projection is fitted and which extends in the circumferential direction is provided at a portion located between the claw and the end face in the axial direction.
9. The electric pump according to claim 8, wherein,
the protrusion and the groove are continuously formed in the entire circumferential direction, respectively.
10. The electric pump according to claim 2, wherein,
the inverter case has a first cylindrical portion having the claw on the other side in an axial direction,
the tubular member has a tubular body portion surrounding the first tubular portion from the outer peripheral side,
a first extending portion extending toward the inner peripheral side as the first holding portion is formed at an end portion of one side in the axial direction of the cylindrical body portion, the first extending portion being in contact with an end face of the first cylindrical portion facing one side in the axial direction,
a second extending portion extending toward the inner peripheral side as the second holding portion is formed at an end portion of the other side in the axial direction of the cylindrical body portion, and the other side in the axial direction of the second extending portion is in contact with the tip end of the claw.
11. The electric pump according to claim 1, wherein,
the inverter case has a notch portion formed by the missing of the claw at a part in the circumferential direction, and the notch portion is uniformly distributed in the circumferential direction.
12. The electric pump according to claim 1, wherein,
the inverter case is made of resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155982.6U CN219554768U (en) | 2023-01-19 | 2023-01-19 | Electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320155982.6U CN219554768U (en) | 2023-01-19 | 2023-01-19 | Electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219554768U true CN219554768U (en) | 2023-08-18 |
Family
ID=87731365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320155982.6U Active CN219554768U (en) | 2023-01-19 | 2023-01-19 | Electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219554768U (en) |
-
2023
- 2023-01-19 CN CN202320155982.6U patent/CN219554768U/en active Active
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| GR01 | Patent grant |