CN116811120B - Sealing structure and sensor sealing method - Google Patents
Sealing structure and sensor sealing method Download PDFInfo
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- CN116811120B CN116811120B CN202311084021.1A CN202311084021A CN116811120B CN 116811120 B CN116811120 B CN 116811120B CN 202311084021 A CN202311084021 A CN 202311084021A CN 116811120 B CN116811120 B CN 116811120B
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- groove
- inner tube
- bottom plate
- pressing plate
- wire passing
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- 238000007789 sealing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 71
- 239000003292 glue Substances 0.000 claims abstract description 53
- 239000000084 colloidal system Substances 0.000 claims description 14
- 238000005538 encapsulation Methods 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 6
- 239000007769 metal material Substances 0.000 description 4
- 229920002545 silicone oil Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention belongs to the technical field of sensor sealing, and discloses a sealing structure and a sensor sealing method, wherein the sealing structure comprises a bottom plate, an inner tube, a pressing plate and a wire passing piece, the top of the bottom plate is provided with a glue filling groove, and the middle of the glue filling groove is provided with a containing groove; the inner tube is fixedly arranged in the accommodating groove, and the inner inserting strip of the stator core of the sensor is fixedly inserted into the periphery of the inner tube; the pressing plate is arranged at the top of the bottom plate, the pressing plate is fixedly connected with the bottom plate through a threaded fastener, and the pressing plate tightly presses the outer ring of the stator core of the sensor on the bottom plate; the wire passing piece is arranged between the bottom plate and the pressing plate, the wire passing piece is provided with a wire passing hole, and a wire of the sensor passes through the wire passing hole and is led out of the sealing structure. The sealing structure can improve the sealing quality of the stator core and the heat insulation performance of the sensor.
Description
Technical Field
The invention relates to the technical field of sensor sealing, in particular to a sealing structure and a sensor sealing method.
Background
In order to reduce the influence of external environmental factors, the outer shell of the magnetic suspension motor generally adopts a sealing structure, but the magnetic suspension motor can generate a large amount of heat during operation, the heat cannot be discharged in time, the internal temperature is increased, the long-time high-temperature state enables the sensor positioned in the magnetic suspension motor to be aged at an accelerated speed, the service life is shortened, therefore, higher requirements are provided for the heat resistance and the heat insulation of the sensor, the periphery of the stator core of the sensor is coated with glue, the stator core is insulated by glue, so that the heat insulation requirement is met, but at present, no proper glue sealing structure is matched with the sensor, and the glue coating quality cannot be ensured by directly using glue coating equipment to coat the sensor.
Therefore, a sealing structure and a sensor sealing method are needed to solve the above-mentioned problems.
Disclosure of Invention
One object of the present invention is to: the sealing structure and the sensor sealing method are provided, the sealing quality of the stator core is improved, and the heat insulation performance of the sensor is improved.
To achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, a seal structure is provided, the seal structure comprising:
the bottom plate, the top of the said bottom plate has glue pouring grooves, there are holding tanks in the middle of the said glue pouring groove;
an inner tube fixedly mounted in the accommodating groove, and an inner insertion strip of a stator core of the sensor is fixedly inserted into the periphery of the inner tube;
the pressing plate is arranged at the top of the bottom plate, is fixedly connected with the bottom plate through a threaded fastener and presses the outer ring of the stator core of the sensor to the bottom plate;
the wire passing piece is arranged between the bottom plate and the pressing plate, a plurality of wire passing holes are formed in the wire passing piece, and a wire of the sensor passes through the wire passing holes and is led out of the sealing structure.
As an optional technical scheme, the tank bottom of holding tank is equipped with first connecting hole, the bottom of inner tube is equipped with the second connecting hole, and threaded fastener passes first connecting hole with the second connecting hole, in order to with the inner tube with bottom plate fixed connection.
As an optional technical scheme, the outer wall of the inner tube is tightly abutted with the inner wall of the accommodating groove.
As an optional technical scheme, the outer wall interval of inner tube is equipped with a plurality of spacing bars, spacing bar is followed the axial extension of inner tube forms the spacing groove between two adjacent spacing bars, the interpolation strip is inserted and is located the spacing groove.
As an optional technical scheme, the wire passing piece is made of elastic materials, a plurality of pressing-in grooves are formed in the side face of the wire passing piece, the pressing-in grooves are communicated with the wire passing holes in a one-to-one correspondence mode, and the wires are pressed into the wire passing holes from the pressing-in grooves.
As an optional technical scheme, the through hole is set up at the middle part of clamp plate, the encapsulating groove is the annular groove, the inner wall of clamp plate with the inside wall in encapsulating groove is followed the axial alignment of inner tube, the clamp plate with the bottom plate will the outside of outer loop compresses tightly, the inside of outer loop extends to directly over the encapsulating groove.
As an optional technical scheme, the pressing plate is provided with a ring groove facing to one side of the bottom plate, the ring groove facing to one side of the bottom plate is a ring groove plane, the ring groove plane is attached to the outer top surface of the outer ring, the ring groove facing to one side of the inner tube is a ring groove cambered surface, and the ring groove cambered surface is attached to the outer wall surface of the outer ring.
As an optional technical scheme, the top of bottom plate sets up the holding surface, the holding surface encircle in the periphery of encapsulating groove, the holding surface is established to the plane, the level of holding surface is higher than the level of encapsulating groove tank bottom plane, the holding surface with the laminating of the outside bottom surface of outer loop.
As an alternative solution, the sidewall of the wire passing member facing the inner tube is aligned with the inner wall of the pressing plate along the axial direction of the inner tube.
In a second aspect, there is provided a sensor encapsulation method implemented based on an encapsulation structure as described above, the sensor encapsulation method comprising the steps of:
fixing the inner tube to the accommodating groove of the bottom plate by adopting a threaded fastener;
sleeving the stator core on the periphery of the inner tube, so that the inner inserting strip of the stator core is inserted into the limit groove of the inner tube;
passing a wire of a sensor through a wire passing hole of the wire passing piece;
the pressing plate is fixedly connected with the bottom plate by adopting a threaded fastener, so that the pressing plate presses the outer ring of the stator core to the bottom plate;
coating silicone grease silicone oil on the outer wall of the inner tube, the inner wall of the pressing plate and the glue filling groove;
and injecting colloid into a colloid filling area surrounded by the inner tube, the pressing plate and the bottom plate.
The invention has the beneficial effects that:
the invention provides a sealing structure, wherein an inner insertion strip of a stator core is fixedly inserted into the periphery of an inner tube, an outer ring of the stator core is pressed on a bottom plate by a pressing plate, the situation that the stator core is loose or leaks glue in the sealing process can be avoided, a wire of a sensor passes through a wire passing hole of a wire passing piece, the wire is led out of the sealing structure by the wire passing piece, the wire is pre-positioned, colloid is injected into a glue filling groove, the periphery of the stator core is coated by the colloid, the sealing quality of the stator core can be improved, and the heat insulation performance of the sensor is ensured.
The invention also provides a sensor sealing method, which is implemented by adopting the sealing structure, can improve the sealing quality of the stator core and ensure the heat insulation performance of the sensor.
Drawings
The invention is described in further detail below with reference to the drawings and examples;
fig. 1 is a schematic structural diagram of an encapsulation structure according to an embodiment;
FIG. 2 is an exploded view of an embodiment of a sealant structure;
FIG. 3 is a cross-sectional view of an embodiment of a seal;
FIG. 4 is a schematic structural view of an inner tube according to an embodiment;
FIG. 5 is a schematic view of a platen according to an embodiment;
fig. 6 is a schematic structural diagram of a wire passing member according to an embodiment.
In the figure:
100. a stator core; 101. an outer ring; 102. inserting strips;
1. a bottom plate; 11. a glue filling groove; 12. a receiving groove; 13. a first connection hole; 14. a support surface;
2. an inner tube; 21. a second connection hole; 22. a limit bar; 23. a limit groove;
3. a pressing plate; 31. a ring groove; 32. a positioning groove;
4. a wire passing member; 41. a wire through hole; 42. pressing into the groove.
Detailed Description
In order to make the technical problems solved by the present invention, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 6, the present embodiment provides a sealing structure, which includes a bottom plate 1, an inner tube 2, a pressing plate 3 and a wire passing member 4, wherein a glue filling groove 11 is arranged at the top of the bottom plate 1, and a containing groove 12 is arranged in the middle of the glue filling groove 11; the inner tube 2 is fixedly arranged in the accommodating groove 12, and the interpolation strip 102 of the stator core 100 of the sensor is fixedly inserted into the periphery of the inner tube 2; the pressing plate 3 is arranged at the top of the bottom plate 1, the pressing plate 3 is fixedly connected with the bottom plate 1 through a threaded fastener, and the pressing plate 3 presses the outer ring 101 of the stator core 100 of the sensor to the bottom plate 1; the wire passing piece 4 is arranged between the bottom plate 1 and the pressing plate 3, the wire passing piece 4 is provided with a plurality of wire passing holes 41, and the wires of the sensor pass through the wire passing holes 41 and are led out of the sealing structure.
Specifically, insert strip 102 in stator core 100 is fixed to insert in the week portion of inner tube 2 to adopt clamp plate 3 to compress tightly stator core 100's outer loop 101 in bottom plate 1, can avoid stator core 100 to produce the condition of becoming flexible or leaking the glue at the encapsulation in-process, pass wire hole 41 of wire piece 4 with the wire of sensor, draw forth the outside of encapsulation structure by wire piece 4, advance the location to the wire, pour into glue filling groove 11 with the colloid, the colloid submerges stator core 100, the colloid cladding is in stator core 100's week portion, can improve the encapsulation quality to stator core 100, guarantee the thermal-insulated performance of sensor.
The pressing plate 3 and the inner tube 2 are respectively fixedly connected to the bottom plate 1 by adopting threaded fasteners, so that the pressing plate 3 and the outer ring 101, the bottom plate 1 and the outer ring 101 and the inner tube 2 and the bottom plate 1 are in close contact, a sealed glue filling area is formed, and the situation of glue leakage is avoided.
In this embodiment, the threaded fastener is an existing screw or a bolt, and the specific structure is not shown.
Optionally, a positioning groove 32 is provided on a side of the pressing plate 3 facing the bottom plate 1, the positioning groove 32 extends outwards in a radial direction and gradually reduces, and the wire passing member 4 is adapted to be mounted in the positioning groove 32, so that radial resistance is applied to the wire passing member 4 by the side wall of the positioning groove 32, and the wire passing member 4 is prevented from being pushed outwards from the positioning groove 32 by colloid.
Optionally, the bottom plate 1, the inner tube 2 and the pressing plate 3 are made of metal materials, so that the rigidity strength can be improved, after the sealing is finished, the glue and the sealing structure are convenient to be separated from each other, the threaded fastener between the bottom plate 1 and the pressing plate 3 is loosened, the pressing plate 3 is detached, the pressing plate 3 made of metal materials is easily separated from the glue and is not easily broken, the threaded fastener between the bottom plate 1 and the inner tube 2 is loosened, the bottom plate 1 made of metal materials is detached, and the bottom plate 1 made of metal materials is easily separated from the glue and is not easily broken.
Optionally, the bottom of the accommodating groove 12 is provided with a first connecting hole 13, the bottom of the inner tube 2 is provided with a second connecting hole 21, and a threaded fastener passes through the first connecting hole 13 and the second connecting hole 21 to fixedly connect the inner tube 2 with the bottom plate 1.
Glue is injected into the glue pouring groove 11 from the top by the glue injecting device, and in order to avoid the glue to adhere to the threaded fastener for connecting the inner tube 2 and the bottom plate 1, the embodiment fixedly connects the inner tube 2 and the bottom plate 1 from the bottom by the threaded fastener.
Optionally, the outer wall of the inner tube 2 is tightly abutted with the inner side wall of the accommodating groove 12, so that the glue leakage is prevented from entering the first connecting hole 13.
Optionally, a plurality of limiting strips 22 are arranged on the outer wall of the inner tube 2 at intervals, the limiting strips 22 extend along the axial direction of the inner tube 2, limiting grooves 23 are formed between two adjacent limiting strips 22, and the inner inserting strips 102 are inserted into the limiting grooves 23. The inner inserts 102 of the stator core 100 are inserted into the limit grooves 23 on the outer wall of the inner tube 2 one by one, so as to avoid the stator core 100 rotating relative to the inner tube 2 in the glue injection process.
In the present embodiment, the limit strips 22 extend radially to a position directly above the glue-pouring groove 11.
Optionally, the wire passing member 4 is made of an elastic material, a plurality of pressing grooves 42 are formed in the side surface of the wire passing member 4, the pressing grooves 42 are in one-to-one correspondence with the wire passing holes 41, and the wires are pressed into the wire passing holes 41 from the pressing grooves 42. The wire passing member 4 has a certain elastic deformation capability, and the lead wire of the sensor is pressed into the wire passing hole 41 from the pressing groove 42 on the side surface of the wire passing member 4, so that the mounting efficiency is high, and the mounting time is saved.
Optionally, a through hole is formed in the middle of the pressing plate 3, the glue filling groove 11 is an annular groove, the inner wall of the pressing plate 3 is aligned with the inner side wall of the glue filling groove 11 along the axial direction of the inner tube 2, the pressing plate 3 and the bottom plate 1 compress the outer part of the outer ring 101, and the inner part of the outer ring 101 extends to the position right above the glue filling groove 11.
The inner wall of the pressing plate 3 is aligned with the inner side wall of the glue filling groove 11 along the axial direction of the inner tube 2, so that dislocation is avoided to increase subsequent disassembly resistance, for example, if dislocation is formed between the inner wall of the pressing plate 3 and the inner side wall of the glue filling groove 11, a step-shaped structure is formed between the inner wall of the pressing plate 3 and the inner side wall of the glue filling groove 11 by colloid, and the pressing plate 3 is difficult to disassemble after the colloid is solidified.
In the present embodiment, the outer ring 101 extending to the position right above the glue-pouring groove 11 is sealed, and the outer ring 101 pressed by the pressing plate 3 and the bottom plate 1 is not sealed.
Optionally, a ring groove 31 is provided on a side of the pressure plate 3 facing the bottom plate 1, the side of the ring groove 31 facing the bottom plate 1 is a ring groove plane, the ring groove plane is attached to the outer top surface of the outer ring 101, the side of the ring groove 31 facing the inner tube 2 is a ring groove cambered surface, and the ring groove cambered surface is attached to the outer wall surface of the outer ring 101.
The annular groove 31 is embedded into a part of the outer ring 101, the distance between the bottom surface of the pressing plate 3 and the top surface of the bottom plate 1 is shortened, so that the overall thickness of the sealing structure is reduced, miniaturization is facilitated, the inner inserting strip 102 inside the stator core 100 is abutted to the inner tube 2, the outer ring 101 outside the stator core 100 is abutted to the annular groove cambered surface of the annular groove 31, in the process of installing the pressing plate 3, the threaded holes of the pressing plate 3 can be aligned with the threaded holes of the bottom plate 1 quickly, the pressing plate 3 and the bottom plate 1 are fixedly connected by adopting threaded fasteners, the contact surface of the colloid and the pressing plate 3 is only the inner wall of the pressing plate 3, and the adhesive force between the colloid and the pressing plate 3 is reduced, so that the subsequent pressing plate 3 is convenient to disassemble.
Optionally, the top of the bottom plate 1 is provided with a supporting surface 14, the supporting surface 14 surrounds the periphery of the glue-pouring groove 11, the supporting surface 14 is a plane, the horizontal height of the supporting surface 14 is higher than the horizontal height of the bottom plane of the glue-pouring groove 11, and the supporting surface 14 is attached to the outer bottom surface of the outer ring 101.
The outer wall of the inner tube 2, the inner wall of the pressing plate 3 and the glue filling area surrounded by the glue filling grooves 11 of the bottom plate 1 are filled with glue by glue filling equipment, the glue is submerged in the inner cutting 102 and the outer ring 101, and the glue sealing work is completed after the glue is solidified.
Optionally, the side wall of the wire passing piece 4 facing the inner tube 2 is aligned with the inner wall of the pressing plate 3 along the axial direction of the inner tube 2, and the contact surface of the wire passing piece 4 and the colloid is the surface of the wire passing piece 4 facing the inner tube 2, so that the subsequent disassembly work of the wire passing piece 4 is facilitated.
The embodiment also provides a sensor encapsulation method, which is implemented based on the encapsulation structure, and comprises the following steps:
the inner tube 2 is fixed to the receiving groove 12 of the bottom plate 1 by a threaded fastener.
The stator core 100 is sleeved on the periphery of the inner tube 2, and the insertion strip 102 of the stator core 100 is inserted into the limit groove 23 of the inner tube 2.
The wires of the sensor are passed through the wire vias 41 of the wire-passing member 4.
The pressing plate 3 is fixedly connected with the bottom plate 1 by adopting a threaded fastener, so that the pressing plate 3 presses the outer ring 101 of the stator core 100 to the bottom plate 1.
The silicone grease silicone oil is coated on the outer wall of the inner tube 2, the inner wall of the pressing plate 3 and the glue filling groove 11.
The glue is injected into a glue filling area surrounded by the inner tube 2, the pressing plate 3 and the bottom plate 1.
In the sensor sealing method of the embodiment, silicone grease silicone oil is coated on the outer wall of the inner tire 2, the inner wall of the pressing plate 3 and the glue filling groove 11, so that the subsequent disassembly and demolding work is facilitated.
Furthermore, the foregoing description of the preferred embodiments and the principles of the invention is provided herein. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, while the invention has been described in connection with the above embodiments, the invention is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the invention, which is set forth in the following claims.
Claims (9)
1. The seal glued structure, its characterized in that, seal glued structure includes:
the glue filling device comprises a bottom plate (1), wherein a glue filling groove (11) is formed in the top of the bottom plate (1), and a containing groove (12) is formed in the middle of the glue filling groove (11);
an inner tube (2) fixedly mounted in the accommodating groove (12), and an insertion strip (102) of a stator core (100) of the sensor is fixedly inserted into the periphery of the inner tube (2);
the pressing plate (3) is arranged at the top of the bottom plate (1), the pressing plate (3) is fixedly connected with the bottom plate (1) through a threaded fastener, and the pressing plate (3) tightly presses an outer ring (101) of the stator core (100) of the sensor on the bottom plate (1);
the wire passing piece (4) is arranged between the bottom plate (1) and the pressing plate (3), the wire passing piece (4) is provided with a plurality of wire passing holes (41), and a wire of the sensor passes through the wire passing holes (41) and is led out of the sealing structure;
the outer wall interval of inner tube (2) is equipped with a plurality of spacing bars (22), spacing bar (22) are followed the axial extension of inner tube (2), adjacent two form spacing groove (23) between spacing bar (22), insert strip (102) and locate spacing groove (23).
2. The sealing structure according to claim 1, wherein a first connecting hole (13) is formed in the bottom of the accommodating groove (12), a second connecting hole (21) is formed in the bottom of the inner tube (2), and a threaded fastener penetrates through the first connecting hole (13) and the second connecting hole (21) to fixedly connect the inner tube (2) with the bottom plate (1).
3. The sealing structure according to claim 2, characterized in that the outer wall of the inner tube (2) is in close abutment with the inner wall of the containing groove (12).
4. The sealing structure according to claim 1, wherein the wire passing member (4) is made of an elastic material, a plurality of pressing grooves (42) are formed in the side surface of the wire passing member (4), the pressing grooves (42) are in one-to-one correspondence with the wire passing holes (41), and the wires are pressed into the wire passing holes (41) from the pressing grooves (42).
5. The sealing structure according to claim 1, wherein a through hole is formed in the middle of the pressing plate (3), the glue filling groove (11) is an annular groove, the inner wall of the pressing plate (3) is aligned with the inner side wall of the glue filling groove (11) along the axial direction of the inner tube (2), the pressing plate (3) and the bottom plate (1) compress the outer part of the outer ring (101), and the inner part of the outer ring (101) extends to the position right above the glue filling groove (11).
6. The sealing structure according to claim 5, wherein a ring groove (31) is formed in a side, facing the bottom plate (1), of the pressing plate (3), a ring groove plane is formed in a side, facing the bottom plate (1), of the ring groove (31), the ring groove plane is attached to the outer top surface of the outer ring (101), a ring groove cambered surface is formed in a side, facing the inner tube (2), of the ring groove (31), and the ring groove cambered surface is attached to the outer wall surface of the outer ring (101).
7. The sealing structure according to claim 6, wherein a supporting surface (14) is disposed at the top of the bottom plate (1), the supporting surface (14) surrounds the periphery of the glue-pouring groove (11), the supporting surface (14) is a plane, the horizontal height of the supporting surface (14) is higher than the horizontal height of the bottom plane of the glue-pouring groove (11), and the supporting surface (14) is attached to the outer bottom surface of the outer ring (101).
8. The sealing structure according to claim 5, characterized in that the side wall of the wire passing member (4) facing the inner tube (2) is aligned with the inner wall of the pressing plate (3) along the axial direction of the inner tube (2).
9. Sensor encapsulation method, characterized in that it is carried out on the basis of an encapsulation structure according to any one of claims 1 to 8, comprising the following steps:
fixing the inner tube (2) to the accommodating groove (12) of the bottom plate (1) by adopting a threaded fastener;
sleeving the stator core (100) on the periphery of the inner tube (2), and enabling the inner inserting strip (102) of the stator core (100) to be inserted into the limit groove (23) of the inner tube (2);
passing the wires of the sensor through the wire passing holes (41) of the wire passing piece (4);
the pressing plate (3) is fixedly connected with the bottom plate (1) by adopting a threaded fastener, so that the pressing plate (3) tightly presses the outer ring (101) of the stator core (100) on the bottom plate (1);
coating silicone grease on the outer wall of the inner tube (2), the inner wall of the pressing plate (3) and the glue filling groove (11);
and injecting colloid into a glue filling area surrounded by the inner tube (2), the pressing plate (3) and the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311084021.1A CN116811120B (en) | 2023-08-28 | 2023-08-28 | Sealing structure and sensor sealing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311084021.1A CN116811120B (en) | 2023-08-28 | 2023-08-28 | Sealing structure and sensor sealing method |
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| CN116811120A CN116811120A (en) | 2023-09-29 |
| CN116811120B true CN116811120B (en) | 2023-11-10 |
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| CN202311084021.1A Active CN116811120B (en) | 2023-08-28 | 2023-08-28 | Sealing structure and sensor sealing method |
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| CN115694109A (en) * | 2022-08-29 | 2023-02-03 | 常州富兴机电有限公司 | Encapsulating frock |
| CN115528848A (en) * | 2022-09-27 | 2022-12-27 | 山东天瑞重工有限公司 | Radial magnetic suspension bearing encapsulation base and encapsulation method |
| CN115664142A (en) * | 2022-11-18 | 2023-01-31 | 东莞市本末科技有限公司 | Direct-drive motor glue pouring method |
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| CN116811120A (en) | 2023-09-29 |
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