CN210715249U - Thrust nut forced lubrication structure of electronic water pump - Google Patents
Thrust nut forced lubrication structure of electronic water pump Download PDFInfo
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- CN210715249U CN210715249U CN201920829582.2U CN201920829582U CN210715249U CN 210715249 U CN210715249 U CN 210715249U CN 201920829582 U CN201920829582 U CN 201920829582U CN 210715249 U CN210715249 U CN 210715249U
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- main shaft
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- thrust nut
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Abstract
The utility model provides an electronic pump's thrust nut force-feed lubrication structure, its life that has improved thrust nut ensures the long-time normal use of whole pump head, and the life of product promotes by a wide margin. The novel pump comprises a pump shell, wherein the pump shell is provided with a water inlet and a water outlet, a main shaft is inserted into the center of a pump blade rotor with a magnet, the inner end of the main shaft is positioned and installed in a center installation hole of the pump shell, the outer end of the main shaft protrudes outwards from the rear of the pump blade rotor, a wear-resistant component installation cavity is arranged at the position, corresponding to the outer end of the main shaft, a wear-resistant part is sleeved on an outer protruding part of the main shaft, and is fixedly connected with a thrust nut through threads, a spiral groove is formed in the pump blade rotor along the length direction of an inner ring wall of the main shaft, the inner end face of the wear-resistant part is attached to the corresponding end face of the wear.
Description
Technical Field
The utility model relates to a technical field of auxiliary tank structure specifically is an electronic pump's thrust nut force-feed lubrication structure.
Background
The pump vane rotor of the electronic water pump is fixedly installed through the main shaft, the tail end of the main shaft limits the axial position of the pump vane rotor through the thrust nut, in the existing structure, the thrust nut receives the axial thrust of the pump vane rotor for a long time and then generates friction force, the service life of the thrust nut is short due to abrasion, the whole electronic water pump is prone to being damaged, and the service life of a pump head is shortened.
Disclosure of Invention
To the above problem, the utility model provides an electronic pump's thrust nut force-feed lubrication structure, its life that has improved thrust nut ensures the long-time normal use of whole pump head, and the life of product promotes by a wide margin.
The utility model provides an electronic pump's thrust nut force-feed lubrication structure which characterized in that: the anti-thrust bearing comprises a pump shell, wherein the pump shell is provided with a water inlet and a water outlet, a main shaft is inserted in the center of a pump blade rotor with a magnet, the inner end of the main shaft is positioned and installed in a central installation hole of the pump shell, the outer end of the main shaft protrudes out of the pump blade rotor and protrudes out, a wear-resistant component installation cavity is arranged at the position of the pump blade rotor corresponding to the outer end of the main shaft, an outer protruding part of the main shaft is sleeved with a wear-resistant part and then is fixedly connected with a thrust nut through threads, spiral grooves are arranged on the pump blade rotor along the length direction of an inner ring wall of the main shaft, the inner end surface of the wear-resistant part is attached to the corresponding end surface of the wear-resistant component installation cavity, the thrust nut comprises a thrust end and a nut end, the inner end surface of the thrust end is tightly attached to the outer end surface of the wear-resistant part, every indent slot sets up to the radial outer end from radial inner, the axial inner intercommunication pump water cavity of spiral slot, the axial outer end of spiral slot passes through the clearance communicates to every the radial inner of indent slot, the radial outer end of indent slot communicates to pump water cavity.
It is further characterized in that: the center of the inner end surface of the thrust end is provided with an inner concave ring groove, a plurality of inner concave grooves are uniformly distributed on the outer side of the circumference of the inner concave ring groove, and the inner concave ring groove is communicated with the gap to ensure that water flows into the inner concave ring groove and then flows out through the inner concave grooves;
each concave groove is of a straight line structure;
the concave depth of the wear-resistant component mounting cavity is the same as the thickness of the wear-resistant part, so that smooth and convenient mounting of the wear-resistant part is ensured.
After the utility model is adopted, the main shaft is fixed on the pump shell, the pump blade rotor is sleeved on the main shaft and can freely rotate, and the thrust nut is fastened on the thread at the outer end of the main shaft to limit the axial movement of the pump blade rotor; the pump blade rotor is internally provided with a magnet, and when the pump blade rotor is driven by an external drive (not shown) to rotate, the pump blade rotor is driven to rotate at a high speed through the magnet arranged in the pump blade rotor; the pump blade drives water to be discharged from the water outlet, negative pressure is formed on the inner side of the water inlet, the negative pressure drives the water to flow into the pump shell through the water inlet, and meanwhile, the pump blade rotor is pressed at the thrust end of the thrust nut through the wear-resistant part; at the moment, the spiral groove arranged in the pump vane rotor drives water in the pump to continuously flow to the wear-resistant part and the thrust nut through the high-speed rotation of the pump vane rotor and flow out through the concave groove of the thrust nut, and continuous lubrication is formed between the wear-resistant part at the end part of the pump vane rotor and the thrust end of the thrust nut; thereby realizing the forced lubrication of the thrust nut and the wear-resistant part; its life who has improved thrust nut ensures the long-time normal use of whole pump head, and the life of product promotes by a wide margin.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic side view of the thrust nut of the present invention
The names corresponding to the sequence numbers in the figure are as follows:
the pump comprises a pump shell 1, a water inlet 2, a water outlet 3, a magnet 4, a pump blade rotor 5, a main shaft 6, a wear-resistant component mounting cavity 7, a wear-resistant part 8, a thrust nut 9, a spiral groove 10, a thrust end 91, a nut end 92, a gap 11, an inner concave groove 12, a pump water cavity 13 and an inner concave ring groove 14.
Detailed Description
A thrust nut forced lubrication structure of an electronic water pump is shown in figures 1 and 2: the pump comprises a pump shell 1, wherein the pump shell 1 is provided with a water inlet 2 and a water outlet 3, a main shaft 6 is inserted in the center of a pump blade rotor 5 with a magnet 4, the inner end of the main shaft 6 is positioned and installed in a central installation hole of the pump shell 1, the outer end of the main shaft 6 protrudes out of the pump blade rotor 5, a wear-resistant component installation cavity 7 is arranged at the position of the pump blade rotor 5 corresponding to the outer end of the main shaft 6, an outer protruding part of the main shaft 6 is sleeved with a wear-resistant component 8 and is fixedly connected with a thrust nut 9 in a threaded manner, a spiral groove 10 is arranged on the pump blade rotor 5 along the length direction of the inner ring wall of the main shaft 6, the inner end surface of the wear-resistant component 8 is attached to the corresponding end surface of the wear-resistant component installation cavity 7, the thrust nut 9 comprises a thrust end 91 and a nut end 92, the inner end surface of the thrust end 91 is attached to the outer end surface of, each inner concave groove 12 is arranged from a radial inner end to a radial outer end, the axial inner end of each spiral groove 10 is communicated with a pump water cavity 13, the axial outer end of each spiral groove 10 is communicated to the radial inner end of each inner concave groove 12 through a gap 11, and the radial outer end of each inner concave groove 12 is communicated to the pump water cavity 13.
In the specific embodiment, the center of the inner end surface of the thrust end 91 is provided with an inner concave ring groove 14, a plurality of inner concave grooves 12 are uniformly distributed on the outer side of the circumference of the inner concave ring groove 14, and the gap 11 is communicated with the inner concave ring groove 14 to ensure that water flows into the inner concave ring groove 14 and then flows out through the inner concave grooves 12;
each concave groove 12 is of a straight line structure;
the concave depth of the wear-resistant component mounting cavity 7 is the same as the thickness of the wear-resistant part 8, so that smooth and convenient mounting of the wear-resistant part is ensured.
The working principle is as follows, the main shaft is fixed on the pump shell, the pump blade rotor is sleeved on the main shaft and can freely rotate, and the thrust nut is fastened on the thread at the outer end of the main shaft to limit the axial movement of the pump blade rotor; the pump blade rotor is internally provided with a magnet, and when the pump blade rotor is driven by an external drive (not shown) to rotate, the pump blade rotor is driven to rotate at a high speed through the magnet arranged in the pump blade rotor; the pump blade drives water to be discharged from the water outlet, negative pressure is formed on the inner side of the water inlet, the negative pressure drives the water to flow into the pump shell through the water inlet, and meanwhile, the pump blade rotor is pressed at the thrust end of the thrust nut through the wear-resistant part; at the moment, the spiral groove arranged in the pump vane rotor drives water in the pump to continuously flow to the wear-resistant part and the thrust nut through the high-speed rotation of the pump vane rotor and flow out through the concave groove of the thrust nut, and continuous lubrication is formed between the wear-resistant part at the end part of the pump vane rotor and the thrust end of the thrust nut; thereby realizing the forced lubrication of the thrust nut and the wear-resistant part; its life who has improved thrust nut ensures the long-time normal use of whole pump head, and the life of product promotes by a wide margin.
The detailed description of the embodiments of the present invention has been provided, but the present invention is only the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All equivalent changes and modifications made in accordance with the scope of the present invention shall fall within the scope of the present patent application.
Claims (4)
1. The utility model provides an electronic pump's thrust nut force-feed lubrication structure which characterized in that: the anti-thrust bearing comprises a pump shell, wherein the pump shell is provided with a water inlet and a water outlet, a main shaft is inserted in the center of a pump blade rotor with a magnet, the inner end of the main shaft is positioned and installed in a central installation hole of the pump shell, the outer end of the main shaft protrudes out of the pump blade rotor and protrudes out, a wear-resistant component installation cavity is arranged at the position of the pump blade rotor corresponding to the outer end of the main shaft, an outer protruding part of the main shaft is sleeved with a wear-resistant part and then is fixedly connected with a thrust nut through threads, spiral grooves are arranged on the pump blade rotor along the length direction of an inner ring wall of the main shaft, the inner end surface of the wear-resistant part is attached to the corresponding end surface of the wear-resistant component installation cavity, the thrust nut comprises a thrust end and a nut end, the inner end surface of the thrust end is tightly attached to the outer end surface of the wear-resistant part, every indent slot sets up to the radial outer end from radial inner, the axial inner intercommunication pump water cavity of spiral slot, the axial outer end of spiral slot passes through the clearance communicates to every the radial inner of indent slot, the radial outer end of indent slot communicates to pump water cavity.
2. The thrust nut forced lubrication structure of an electronic water pump according to claim 1, wherein: the center of the inner end face of the thrust end is provided with a plurality of concave ring grooves, a plurality of concave grooves are uniformly distributed on the outer side of the circumference of each concave ring groove, and the concave ring grooves are communicated with each other in a clearance mode to ensure that water flows into the concave ring grooves and then flows out through the concave grooves.
3. A thrust nut forced lubrication structure of an electronic water pump according to claim 1 or 2, characterized in that: each concave groove is of a straight line structure.
4. The thrust nut forced lubrication structure of an electronic water pump according to claim 1, wherein: the concave depth of the wear-resistant component mounting cavity is the same as the thickness of the wear-resistant piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829582.2U CN210715249U (en) | 2019-06-04 | 2019-06-04 | Thrust nut forced lubrication structure of electronic water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920829582.2U CN210715249U (en) | 2019-06-04 | 2019-06-04 | Thrust nut forced lubrication structure of electronic water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715249U true CN210715249U (en) | 2020-06-09 |
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ID=70931068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920829582.2U Active CN210715249U (en) | 2019-06-04 | 2019-06-04 | Thrust nut forced lubrication structure of electronic water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715249U (en) |
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2019
- 2019-06-04 CN CN201920829582.2U patent/CN210715249U/en active Active
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