CN210919479U - Strong pressure washing motor for automobile - Google Patents
Strong pressure washing motor for automobile Download PDFInfo
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- CN210919479U CN210919479U CN201922067395.8U CN201922067395U CN210919479U CN 210919479 U CN210919479 U CN 210919479U CN 201922067395 U CN201922067395 U CN 201922067395U CN 210919479 U CN210919479 U CN 210919479U
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- pump core
- liquid storage
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Abstract
The utility model discloses a strong pressure washing motor for automobiles, which comprises a motor upper end cover, a direct current motor pump core, a sealing ring, a motor shell, an impeller and a motor bottom cover, wherein the motor shell is internally provided with a direct current motor pump core mounting cavity and a washing liquid storage cavity; the bottom of the direct current motor pump core installation cavity is provided with a sealing ring installation groove and a sealing ring; the upper end of the direct current motor pump core is connected with a motor upper end cover, and the direct current motor pump core with the assembled motor upper end cover is arranged in a direct current motor pump core mounting cavity; the armature shaft of the direct current motor pump core penetrates through the sealing ring to extend into the washing liquid storage cavity to be connected with the impeller, the bottom of the impeller is provided with a main impeller, the upper side of the main impeller is provided with an auxiliary impeller, the upper end faces of the auxiliary impeller and the impeller are provided with a position drop of 1mm, and the impeller is located in the washing liquid storage cavity and is sealed in the washing liquid storage cavity through a motor bottom cover. The utility model has the advantages of the structure is reliable, seals by force, and low pressure loss, and washing motor impeller can provide stable sealing, pressure loss is low when high-speed the rotation.
Description
Technical Field
The utility model relates to a washing motor especially relates to a strong pressure washing motor for car belongs to automobile parts technical field.
Background
The washing motor belongs to a core component of a windshield washer system, generates torque through electromagnetic work, and the torque drives an impeller in a pump cavity of the washing motor to rotate at a high speed and generate pressure, so that a power source is finally provided for the windshield washer system, and washing liquid is sprayed to a target position. At present, the sealing stability of the impeller of the washing motor is poor when the impeller rotates at a high speed, the auxiliary impeller is level with the upper end surface of the impeller, an exposed part is formed at the upper end of the auxiliary impeller when the auxiliary impeller rotates, invalid pressure occurs during rotation, and the pressure loss is high. The development of a strong pressure washing motor for automobiles becomes a problem to be solved urgently by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solve above-mentioned not enough, provide a car and wash motor with strong pressure.
The above object of the present invention is achieved by the following technical solutions: a high-pressure washing motor for an automobile comprises a motor upper end cover, a direct-current motor pump core, a sealing ring, a motor shell, an impeller and a motor bottom cover, wherein the upper part of the interior of the motor shell is provided with a direct-current motor pump core mounting cavity, and the lower part of the interior of the motor shell is provided with a washing liquid storage cavity; the bottom of the direct current motor pump core installation cavity is provided with a sealing ring installation groove, and a sealing ring is installed on the sealing ring installation groove;
the upper end of the direct current motor pump core is connected with a motor upper end cover, positive and negative PIN needles of the direct current motor pump core can penetrate through a through hole reserved in the motor upper end cover, the direct current motor pump core with the motor upper end cover assembled is arranged in a direct current motor pump core mounting cavity, and the motor upper end cover is hermetically connected with an upper end opening of a motor shell; the armature shaft of the direct current motor pump core penetrates through the sealing ring and extends into the washing liquid storage cavity to be connected with the impeller, the bottom of the impeller is provided with a main impeller, the upper side of the main impeller is provided with an auxiliary impeller, the upper end surfaces of the auxiliary impeller and the impeller are provided with a position drop of 1mm, and the impeller is positioned in the washing liquid storage cavity and is sealed in the washing liquid storage cavity through a motor bottom cover;
one side of the washing liquid storage cavity is provided with a liquid inlet, and the other side of the washing liquid storage cavity is provided with a liquid outlet.
When the washing machine works, the main impeller and the auxiliary impeller rotate together with the washing armature shaft to rotate to drive liquid, the rotation of the auxiliary impeller generates an outward centrifugal force, the centrifugal force can disperse and support the liquid flowing to the sealing ring, the pressure at the sealing ring is reduced, and the phenomenon that the liquid permeates into the sealing ring to the motor pump cavity due to the overlarge pressure at the position is avoided; in order to reduce the pressure loss caused by the rotation of the auxiliary impeller to the maximum extent, the pressure chamber of the auxiliary impeller is matched with the auxiliary impeller in the radial direction to influence the pressure at the position, in order to maximize the pressure caused by the rotation of the impeller, a position drop of 1mm is arranged between the auxiliary impeller and the upper end surface of the impeller, so that when the auxiliary impeller rotates at a high speed, the washing liquid can be completely immersed into or filled in the cavity of the auxiliary impeller, and the problem that the auxiliary impeller at the exposed part is exposed in the air due to the upper cavity caused by centrifugal force is avoided.
Furthermore, the connection position of the upper end cover of the motor and the upper end opening of the motor shell is bonded and sealed by adopting nylon glue.
Furthermore, the connection position of the opening of the washing liquid storage cavity at the lower part of the motor bottom cover and the motor shell is welded by ultrasonic waves.
Furthermore, a plastic filter screen is arranged in the liquid inlet.
Further, the impeller is made of plastic.
Compared with the prior art, the utility model the advantage be: the utility model has the advantages of the structure is reliable, seals by force, and low pressure loss, and washing motor impeller can provide stable sealing, pressure loss is low when high-speed the rotation.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a schematic view of the overall appearance structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the lower part of the motor casing of the present invention.
Fig. 4 is a schematic perspective view of the impeller of the present invention.
Fig. 5 is a schematic side view of the impeller of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, a high-pressure washing motor for an automobile comprises a motor upper end cover 1, a direct current motor pump core 2, a sealing ring 3, a motor case 4, an impeller 6 and a motor bottom cover 7, wherein the upper part of the inside of the motor case 4 is provided with a direct current motor pump core installation cavity 4-1, and the lower part is provided with a washing liquid storage cavity 4-2; the bottom of the direct current motor pump core installation cavity 4-1 is provided with a sealing ring installation groove 4-3 and a sealing ring 3;
the upper end of the direct current motor pump core 2 is connected with a motor upper end cover 1, positive and negative PIN needles of the direct current motor pump core 2 can penetrate through a through hole reserved in the motor upper end cover 1, the direct current motor pump core 2 with the motor upper end cover 1 assembled is arranged in a direct current motor pump core mounting cavity 4-1, and the motor upper end cover 1 is hermetically connected with an upper end opening of a motor shell 4; the armature shaft of the direct current motor pump core 2 penetrates through the sealing ring 3 and extends into the washing liquid storage cavity 4-2 to be connected with the impeller 6, the bottom of the impeller 6 is provided with a main impeller 6-1, the upper side of the main impeller 6-1 is provided with an auxiliary impeller 6-2, the position drop of the auxiliary impeller 6-2 and the upper end surface 6-3 of the impeller is 1mm, the impeller 6 is positioned in the washing liquid storage cavity 4-2 and is sealed in the washing liquid storage cavity 4-2 through a motor bottom cover 7;
a liquid inlet 4-4 is arranged on one side of the washing liquid storage cavity 4-2, and a liquid outlet 4-5 is arranged on the other side.
Furthermore, the connection position of the upper end cover 1 of the motor and the upper port of the motor shell 4 is bonded and sealed by adopting nylon glue.
Furthermore, the connection position of the motor bottom cover 7 and the opening of the washing liquid storage cavity 4-2 at the lower part of the motor shell 4 adopts ultrasonic welding.
Furthermore, a plastic filter screen 5 is arranged in the liquid inlet 4-4.
Further, the impeller 6 is made of plastic.
The utility model discloses in:
the motor upper end cover 1 is an injection molding part, mainly provides a power supply interface for a washing motor, and is finally matched, inserted, locked and fixed with a vehicle body power supply wiring harness plug; the direct current motor pump core 2 is a washing motor electromagnetic torque output module, a pair of electromagnetic forces form a moment acting on an armature to generate when the direct current motor pump core 2 works, the moment can enable the armature to rotate clockwise or anticlockwise and finally drive an impeller 6 on an armature connecting shaft, the impeller 6 rotating at a high speed can stir washing liquid in a pump cavity of a motor shell 4, and therefore the washing liquid flows out along a specified output pipeline and is finally sprayed to target positions of front and rear windshields to be washed and cleaned; during assembly, the direct-current motor pump core 2 is sleeved on the motor upper end cover 1, and meanwhile, the positive PIN needle and the negative PIN needle which are fixed on the direct-current motor pump core 2 can correctly penetrate through a through hole reserved in the motor upper end cover 1, so that the direct-current motor pump core is conveniently in power-on connection with the positive PIN needle and the negative PIN needle of a vehicle body wiring harness plug; the direct current motor pump core 2 and the motor upper end cover 1 are riveted, compressed and fixed.
The motor shell 4 of the utility model is an injection molding part, which is divided into a direct current motor pump core installation cavity and a washing liquid storage cavity, mainly provides the functions of supporting, fixing, protecting and the like for the direct current motor pump core 2, is installed on the washing tank body and can be communicated with the inside of the tank body, and ensures that the washing liquid enters the washing liquid storage cavity of the motor shell 4; during assembly, the sealing ring 3 can be correctly installed in the sealing cavity of the motor shell 4, and the installation function of the sealing ring 3 is mainly to isolate and seal the washing liquid storage cavity and the installation cavity of the direct current motor pump core 2, so that the washing liquid in the liquid storage cavity is prevented from entering the installation cavity of the direct current motor pump core 2, and the washing motor is prevented from being burnt down by water entering the direct current motor pump core 2; during assembly, the DC motor pump core 2 and the motor upper end cover 1 which are riveted, compressed and fixed are sleeved into the motor shell 4, an armature shaft on the DC motor pump core 2 penetrates through the sealing ring 3 until the armature shaft extends into a liquid storage cavity of the motor shell 4, after the armature shaft is sleeved, the DC motor pump core 2 is completely arranged inside the motor shell 4, the motor shell 4 is attached to the motor upper end cover 1, and the attachment part is bonded and sealed by adopting special nylon glue; the armature shaft extending into the liquid storage cavity of the motor shell 4 can install the impeller 6 on the armature shaft, after the impeller 6 is installed, the liquid storage cavity of the motor shell 4 is sealed by using the motor bottom cover 7, the motor bottom cover 7 and the motor shell 4 are sealed by adopting ultrasonic welding, and the liquid in the liquid storage cavity is ensured to be normally stored without leakage; in order to consider that particle foreign matters and the like enter the washer tank body to cause abnormal water spraying or damage to the impeller, a plastic filter screen is arranged inside the liquid inlet of the washing motor to effectively filter the particle foreign matters and the like.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a car is with strong pressure washing motor which characterized in that: the washing machine comprises a motor upper end cover, a direct current motor pump core, a sealing ring, a motor shell, an impeller and a motor bottom cover, wherein the upper part of the interior of the motor shell is provided with a direct current motor pump core installation cavity, and the lower part of the interior of the motor shell is provided with a washing liquid storage cavity; the bottom of the direct current motor pump core installation cavity is provided with a sealing ring installation groove, and a sealing ring is installed on the sealing ring installation groove;
the upper end of the direct current motor pump core is connected with a motor upper end cover, positive and negative PIN needles of the direct current motor pump core can penetrate through a through hole reserved in the motor upper end cover, the direct current motor pump core with the motor upper end cover assembled is arranged in a direct current motor pump core mounting cavity, and the motor upper end cover is hermetically connected with an upper end opening of a motor shell; the armature shaft of the direct current motor pump core penetrates through the sealing ring and extends into the washing liquid storage cavity to be connected with the impeller, the bottom of the impeller is provided with a main impeller, the upper side of the main impeller is provided with an auxiliary impeller, the upper end surfaces of the auxiliary impeller and the impeller are provided with a position drop of 1mm, and the impeller is positioned in the washing liquid storage cavity and is sealed in the washing liquid storage cavity through a motor bottom cover;
one side of the washing liquid storage cavity is provided with a liquid inlet, and the other side of the washing liquid storage cavity is provided with a liquid outlet.
2. A high pressure washing motor for an automobile according to claim 1, characterized in that: the connection part of the upper end cover of the motor and the upper end opening of the motor shell is bonded and sealed by nylon glue.
3. A high pressure washing motor for an automobile according to claim 1, characterized in that: and the connection part of the motor bottom cover and the opening of the washing liquid storage cavity at the lower part of the motor shell is welded by ultrasonic waves.
4. A high pressure washing motor for an automobile according to claim 1, characterized in that: a plastic filter screen is arranged in the liquid inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067395.8U CN210919479U (en) | 2019-11-26 | 2019-11-26 | Strong pressure washing motor for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067395.8U CN210919479U (en) | 2019-11-26 | 2019-11-26 | Strong pressure washing motor for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919479U true CN210919479U (en) | 2020-07-03 |
Family
ID=71352639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922067395.8U Active CN210919479U (en) | 2019-11-26 | 2019-11-26 | Strong pressure washing motor for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919479U (en) |
-
2019
- 2019-11-26 CN CN201922067395.8U patent/CN210919479U/en active Active
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