CN215979920U - Anti-dismantling brushless impeller water pump - Google Patents
Anti-dismantling brushless impeller water pump Download PDFInfo
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- CN215979920U CN215979920U CN202122384836.4U CN202122384836U CN215979920U CN 215979920 U CN215979920 U CN 215979920U CN 202122384836 U CN202122384836 U CN 202122384836U CN 215979920 U CN215979920 U CN 215979920U
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Abstract
The utility model belongs to the technical field of brushless impeller water pumps, and particularly relates to an anti-disassembly brushless impeller water pump which comprises a pump shell and an inlet and outlet upper cover, wherein a one-way turnbuckle buckling connection structure or a threaded connection structure is arranged between the pump shell and the inlet and outlet upper cover, so that the inlet and outlet upper cover is rotated relative to the pump shell along a first rotation direction to be connected with the pump shell, a locking structure is arranged between the pump shell and the inlet and outlet upper cover which are screwed and assembled, and the locking structure enables the inlet and outlet upper cover to be non-rotatable relative to the pump shell along the opposite direction of the first rotation direction. The utility model arranges a locking structure between the pump shell and the water inlet and outlet covers to prevent disassembly, and form long-term protection to the permanent magnet rotor component of the mechanical motion part in the pump, thereby greatly prolonging the service life of the water pump.
Description
Technical Field
The utility model belongs to the technical field of brushless impeller water pumps, and particularly relates to an anti-disassembly brushless impeller water pump.
Background
The existing brushless water pump comprises an electric control brushless stator assembly, an impeller rotor assembly, a pump body shell, an inlet and outlet water upper cover and other basic structures, the pump body shell and the inlet and outlet water upper cover are fixed in a screw thread screwing mode or a screw locking mode, the assembling structure process is detachable, the water pump performance is influenced by easy displacement of the re-assembly, and risks such as damage to the water pump by entering foreign matters are facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an anti-disassembly brushless impeller water pump.
The technical scheme adopted by the utility model is as follows: the anti-disassembly brushless impeller water pump comprises a pump shell and an inlet and outlet upper cover, wherein a one-way turn-buckle buckling connection structure or a threaded connection structure is arranged between the pump shell and the inlet and outlet upper cover, so that the inlet and outlet upper cover rotates in a first rotation direction relative to the pump shell to be connected with the pump shell, a locking structure is arranged between the pump shell and the inlet and outlet upper cover in screwing assembly, and the inlet and outlet upper cover is not rotatable in the opposite direction of the first rotation direction relative to the pump shell by the aid of the locking structure.
The locking structure comprises a buckling block positioned on the pump shell and a buckling groove positioned on the water inlet and outlet cover, and the buckling block is positioned in the buckling groove.
The buckling block is provided with a first guide surface which is convenient for the water inlet and outlet cover to rotate along a first rotating direction relative to the pump shell and a first stop surface on the side surface of the other side far away from the first guide surface; and a second guide surface matched with the first guide surface and a second stop surface matched with the first stop surface are arranged in the clamping groove.
The first stop surface is perpendicular to the end surface of the pump shell provided with the buckling block.
The pump shell and the water inlet and outlet covers are in a one-way screwing and buckling connection structure.
The one-way turn-buckle buckling connection structure comprises at least two first locking blocks positioned on the periphery of the pump shell and at least two second locking blocks positioned on the inner wall of the water inlet and outlet upper cover, and a notch for the first locking block to pass through is formed between the at least two second locking blocks; and in the pump shell and the water inlet and outlet cover which are screwed and assembled, the second locking block is positioned on the inner side of the first locking block in the axial direction.
The second locking block is provided with a third guide surface which is convenient for the first locking block to turn in along the first rotating direction, an axial limiting surface which is used for limiting the first locking block in the axial direction in the screwing assembly state and a rotating limiting surface which is used for limiting the first locking block to rotate in the first rotating direction in the screwing assembly state.
The number of the first locking blocks is three; the number of the second locking blocks is three.
A stator assembly mounting cavity and a rotor assembly mounting cavity which are separated from each other are arranged in the pump shell; the opening of the stator assembly mounting cavity is arranged at the end part of the pump shell far away from the water inlet and outlet covers, the electric control brushless stator assembly is mounted in the stator assembly mounting cavity, and the electric control brushless stator assembly is positioned in the closed space through sealing treatment; rotor subassembly installation cavity intercommunication business turn over upper cover inner chamber, install impeller rotor subassembly and pivot in the rotor subassembly installation cavity, but impeller rotor subassembly cover is established outside the pivot relative axis free rotation, automatically controlled brushless stator module is located impeller rotor subassembly periphery.
The sealing treatment is that epoxy resin is filled and then cured to form an epoxy resin sealing layer.
The utility model has the following beneficial effects: the utility model arranges a locking structure between the pump shell and the water inlet and outlet covers to prevent disassembly, and form long-term protection to the permanent magnet rotor component of the mechanical motion part in the pump, thereby greatly prolonging the service life of the water pump.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1, showing one implementation of the locking mechanism;
FIG. 3 is a cross-sectional view of one embodiment of the present invention;
FIG. 4 is a bottom view (a) and a sectional view (b) taken along line A-A of an access cover in one embodiment of the present invention;
FIG. 5 is a top view (a) and a cross-sectional view (b) taken along line A-A of an embodiment of the present invention;
FIG. 6 is another implementation of a locking structure;
in the drawings, 1, a pump casing; 101, a buckling block; 102, a first guide surface; 103, a first stop surface; 104, a first locking block; 105, a stator assembly mounting cavity; 106, a rotor assembly mounting cavity; 107, a sealing ring groove; 2, getting in and out of the water cover; 201, a fastening groove; 202, a second guide surface; 203, a second stop surface; 204, a second locking block; 205, a third guide surface; 206, axial limiting surface; 207, a rotation limiting surface; 3, electrically controlling the brushless stator assembly; 4, an impeller rotor assembly; 5, a rotating shaft; 6, epoxy resin sealing layer; and 7, sealing rings.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, which are not described in any more detail in the following embodiments.
The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.
As shown in fig. 1-2, a disassembly-proof brushless impeller water pump comprises a pump case 1, an inlet and outlet water upper cover 2 and a seal ring 7 arranged between the pump case 1 and the inlet and outlet water upper cover 2, wherein a one-way turn-buckle buckling connection structure or a threaded connection structure is arranged between the pump case 1 and the inlet and outlet water upper cover 2, so that the inlet and outlet water upper cover 2 rotates relative to the pump case 1 along a first rotation direction to be connected with the pump case 1, a locking structure is arranged between the pump case 1 and the inlet and outlet water upper cover 2 which are screwed and assembled, and the locking structure enables the inlet and outlet water upper cover 2 to be non-rotatable relative to the pump case 1 along the direction opposite to the first rotation direction. Through set up locking structure between pump case and business turn over water upper cover, prevent to dismantle, form permanent magnet rotor subassembly of mechanical motion part in the pump for a long time and protect, make the running life greatly increased of water pump.
Further, the locking structure shown in fig. 2 comprises a catch block 101 located on the pump housing 1 and a catch groove 201 located on the water inlet and outlet cover 2, wherein the catch block 101 is located in the catch groove 201. The buckling block 101 is provided with a first guide surface 102 facilitating the rotation of the water inlet and outlet cover 2 relative to the pump shell 1 along a first rotation direction and a first stop surface 103 on the other side surface far away from the first guide surface 102; a second guide surface 202 matched with the first guide surface 102 and a second stop surface 203 matched with the first stop surface 103 are arranged in the buckling groove 201. Through the arrangement, when the water inlet and outlet cover 2 rotates in the first rotation direction relative to the pump shell 1 to enable the water inlet and outlet cover 2 and the pump shell 1 to be connected, the lower end face of the water inlet and outlet cover 2 slides to the buckling block 101 along the first guide surface 102 to enter the buckling groove 201, and after the water inlet and outlet cover 2 rotates in place, the first stop surface 103 and the second stop surface 203 interact and cannot act when the water inlet and outlet cover 2 rotates in the opposite direction of the first rotation direction relative to the pump shell 1.
The first stop surface 103 of the locking arrangement shown in fig. 2 is perpendicular to the end surface of the pump housing 1 where the catch block 101 is arranged. The first stop surface 103 of the alternative locking structure shown in fig. 6 may be at an acute angle to the end surface of the pump housing 1 where the catch piece 101 is located.
The locking pin can be fixed by adopting adhesive or screwed by threads, and compared with the locking structure shown in fig. 2 or fig. 6, the locking structure of the locking pin is more complicated to assemble.
The pump shell 1 and the water inlet and outlet cover 2 are in a one-way screwing and buckling connection structure.
As shown in fig. 4-5, the one-way turn-buckle-in connection structure comprises at least two first locking blocks 104 located on the periphery of the pump shell 1 and at least two second locking blocks 204 located on the inner wall of the water inlet and outlet cover 2, and a gap for the first locking block 104 to pass through is formed between the at least two second locking blocks 204; in the pump casing 1 and the inlet and outlet water cover 2 which are tightly screwed and assembled, the second locking block 204 is positioned on the inner side of the first locking block 104 in the axial direction. By adopting the one-way turn-buckle buckling connection structure, the water inlet and outlet cover 2 can be installed at a small rotation angle (less than 45 degrees) relative to the pump shell 1.
As shown in fig. 4 (b), the second locking piece 204 is provided with a third guiding surface 205 for facilitating the turning of the first locking piece 104 along the first rotation direction, an axial limiting surface 206 for axially limiting the first locking piece 104 in the screwing assembly state, and a rotation limiting surface 207 for limiting the first locking piece 104 from rotating in the first rotation direction in the screwing assembly state.
In this embodiment, there are three first locking blocks 104; the number of the second locking blocks 204 is three. As shown in fig. 5 (a), the seal ring groove 107 for placing the seal ring 7, the first lock piece 104, and the snap piece 101 are provided in this order from the inside to the outside in the plan view.
As shown in fig. 3 and 5 (b), a stator assembly mounting cavity 105 and a rotor assembly mounting cavity 106 are arranged in the pump shell 1 in a separated mode; the opening of the stator assembly mounting cavity 105 is arranged at the end part of the pump shell 1 far away from the water inlet cover 2 and the water outlet cover 2, the electric control brushless stator assembly 3 is mounted in the stator assembly mounting cavity 105, and the electric control brushless stator assembly 3 is positioned in a closed space through sealing treatment; rotor subassembly installation cavity 106 intercommunication business turn over 2 inner chambers of water upper cover, install impeller rotor subassembly 4 and pivot 5 in the rotor subassembly installation cavity 106, but impeller rotor subassembly 4 cover is established and is freely rotated in 5 outer relative shafts 5 of pivot, automatically controlled brushless stator module 3 is located 4 peripheries of impeller rotor subassembly.
The sealing treatment is to encapsulate epoxy resin and then cure to form the epoxy resin sealing layer 6. Because the form of sealing washer + lid is often used to current pump body electric part carries out dustproof and waterproof, this kind of protective structure can face long-term work vibrations and protection inefficacy in the later stage use, causes electric control part short circuit or burns out the scheduling problem, leads to water pump life to shorten the structure through this embodiment, can not become flexible with electric control part fastening, treats its technology of solidification with embedment epoxy again, makes electric control part thoroughly keep apart with aqueous vapor, accomplishes waterproof dustproof, increases life.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the utility model is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides a prevent tearing open brushless impeller water pump, includes pump case (1), business turn over upper cover (2) and sets up sealing washer (7) between pump case (1) and business turn over upper cover (2), for one-way turnbuckle lock-in connection structure or threaded connection structure between pump case (1) and the business turn over upper cover (2), make business turn over upper cover (2) relative pump case (1) along first direction of rotation and change over to make both link to each other, its characterized in that: and a locking structure is arranged between the pump shell (1) and the water inlet and outlet cover (2) which are screwed and assembled, and the locking structure enables the water inlet and outlet cover (2) to be non-rotatable relative to the pump shell (1) along the opposite direction of the first rotation direction.
2. The tamper-evident brushless impeller water pump of claim 1, further comprising: the locking structure comprises a buckling block (101) located on the pump shell (1) and a buckling groove (201) located on the water inlet and outlet cover (2), and the buckling block (101) is located in the buckling groove (201).
3. The tamper-evident brushless impeller water pump of claim 2, wherein: the buckling block (101) is provided with a first guide surface (102) which is convenient for the water inlet and outlet cover (2) to rotate along a first rotating direction relative to the pump shell (1) and a first stop surface (103) on the side surface of the other side far away from the first guide surface (102); and a second guide surface (202) matched with the first guide surface (102) and a second stop surface (203) matched with the first stop surface (103) are arranged in the buckling groove (201).
4. The tamper-evident brushless impeller water pump of claim 3, wherein: the first stop surface (103) is perpendicular to the end surface of the pump shell (1) provided with the buckling block (101).
5. The disassembly-preventing brushless impeller water pump according to any one of claims 1 to 4, wherein: the pump shell (1) and the water inlet and outlet covers (2) are in a one-way screwing and buckling connection structure.
6. The tamper-evident brushless impeller water pump of claim 5, wherein: the one-way turn-buckle buckling connection structure comprises at least two first locking blocks (104) positioned on the periphery of the pump shell (1) and at least two second locking blocks (204) positioned on the inner wall of the water inlet and outlet cover (2), and a notch for the first locking block (104) to pass through is formed between the at least two second locking blocks (204); in the pump shell (1) and the water inlet and outlet cover (2) which are tightly screwed and assembled, the second locking block (204) is positioned on the inner side of the first locking block (104) in the axial direction.
7. The tamper-evident brushless impeller water pump of claim 6, wherein: the second locking block (204) is provided with a third guide surface (205) which is convenient for the first locking block (104) to turn in along the first rotating direction, an axial limiting surface (206) which is used for limiting the first locking block (104) in the axial direction in the screwing assembly state and a rotating limiting surface (207) which is used for limiting the first locking block (104) to rotate towards the first rotating direction in the screwing assembly state.
8. The tamper-evident brushless impeller water pump of claim 6, wherein: the number of the first locking blocks (104) is three; the number of the second locking blocks (204) is three.
9. The disassembly-preventing brushless impeller water pump according to any one of claims 1 to 4, wherein: a stator assembly mounting cavity (105) and a rotor assembly mounting cavity (106) which are separated from each other are arranged in the pump shell (1); the opening of the stator assembly mounting cavity (105) is arranged at the end part, far away from the water inlet cover (2), of the pump shell (1), the electric control brushless stator assembly (3) is mounted in the stator assembly mounting cavity (105), and the electric control brushless stator assembly (3) is positioned in a closed space through sealing treatment; rotor subassembly installation cavity (106) intercommunication business turn over water upper cover (2) inner chamber, install impeller rotor subassembly (4) and pivot (5) in rotor subassembly installation cavity (106), but impeller rotor subassembly (4) cover is established and is established relative shaft (5) free rotation outside pivot (5), automatically controlled brushless stator subassembly (3) are located impeller rotor subassembly (4) periphery.
10. The tamper-evident brushless impeller water pump of claim 9, wherein: the sealing treatment is that epoxy resin is filled and then cured to form an epoxy resin sealing layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384836.4U CN215979920U (en) | 2021-09-28 | 2021-09-28 | Anti-dismantling brushless impeller water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122384836.4U CN215979920U (en) | 2021-09-28 | 2021-09-28 | Anti-dismantling brushless impeller water pump |
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| Publication Number | Publication Date |
|---|---|
| CN215979920U true CN215979920U (en) | 2022-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122384836.4U Active CN215979920U (en) | 2021-09-28 | 2021-09-28 | Anti-dismantling brushless impeller water pump |
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| CN (1) | CN215979920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704474A (en) * | 2022-04-18 | 2022-07-05 | 四川芯智热控技术有限公司 | New forms of energy water pump of easily assembling |
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2021
- 2021-09-28 CN CN202122384836.4U patent/CN215979920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704474A (en) * | 2022-04-18 | 2022-07-05 | 四川芯智热控技术有限公司 | New forms of energy water pump of easily assembling |
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