CN220457210U - Rotary transformer sealing structure - Google Patents
Rotary transformer sealing structure Download PDFInfo
- Publication number
- CN220457210U CN220457210U CN202322092047.2U CN202322092047U CN220457210U CN 220457210 U CN220457210 U CN 220457210U CN 202322092047 U CN202322092047 U CN 202322092047U CN 220457210 U CN220457210 U CN 220457210U
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- Prior art keywords
- cover
- sealing
- upper convex
- connecting piece
- sleeve
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- 238000007789 sealing Methods 0.000 title claims abstract description 79
- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 239000000945 filler Substances 0.000 claims abstract description 7
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a rotary transformer sealing structure, which belongs to the field of rotary transformers and comprises a protective shell and a connecting piece, wherein the connecting piece is arranged in a shell of the protective shell, a stator framework is fixed on the protective shell through the connecting piece, a connecting cover and a sealing cover are arranged at openings at the upper end and the lower end of the protective shell, a sealing ring is arranged at the joint of the connecting cover and the sealing cover, the sealing cover comprises a second cover body, the upper end of the connecting cover is provided with the second cover body, an upper convex cover is arranged at the center of the upper end of the second cover body, an upper circular ring is arranged at the upper end of the upper convex cover, and the upper convex cover and the upper circular ring cover the upper end of the connecting piece and seal the upper end by sealing glue. The upper convex cover and the sealing sleeve shrink sleeve machine shrink rings are matched with each other to realize the sealing of the end head of the rotary connecting piece, the connecting cover and the sealing cover are matched with each other, the upper convex cover and the lower concave cover are arranged at the upper end and the lower end of the protective shell and are provided with holes, the upper convex cover and the lower concave cover improve the sealing performance, and the upper convex cover and the lower concave cover form an inner cavity to be filled with sealing filler, so that the sealing performance of the position is further improved.
Description
Technical Field
The utility model relates to the field of rotary transformers, in particular to a rotary transformer sealing structure.
Background
The rotary transformer is an electromagnetic sensor, also called synchronous resolver, which is a small-sized AC motor for measuring angle, and is used for measuring the angular displacement and angular velocity of a rotating shaft of a rotating object, and consists of a stator and a rotor. The stator winding is used as the primary side of the transformer and receives excitation voltage, and the rotor winding is used as the secondary side of the transformer and obtains induction voltage through electromagnetic coupling;
chinese patent publication No. CN218123194U, a fully sealed rotary transformer, which comprises a base plate, the central position of bottom plate top is fixedly connected with toward the shell, shell inner wall top position fixedly connected with fixed plate, fixed plate top intermediate position runs through and rotates and is connected with the pivot, pivot external diameter front end top position runs through and threaded connection has the gim peg, fixed plate top right side position runs through and fixedly connected with terminal, pivot external diameter intermediate position runs through and fixedly connected with rotor, terminal bottom position runs through and fixedly connected with stator, stator inner wall fixedly connected with evenly distributed's coil, shell inner wall intermediate position fixedly connected with first stator skeleton, first stator skeleton bottom position fixedly connected with slider, slider bottom runs through and sliding connection has the second stator skeleton;
adopt sealed lid to be connected with the protective housing through the screw thread, realize the sealed of protective housing, the height of sealed lid leads to resolver volume increase, can influence the installation and appear the restricted condition because of volume increase in the installation.
Disclosure of Invention
The utility model mainly aims to provide a rotary transformer sealing structure which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a rotary transformer seal structure, includes protective housing and connecting piece, and the connecting piece is arranged in protective housing's shell, fixes stator skeleton at protective housing through the connecting piece, protective housing's upper and lower end trompil department is equipped with connecting cover and sealed lid, and connecting cover and sealed junction are equipped with the sealing ring, and sealed lid includes the second lid, and the second lid is installed to the upper end of connecting cover, and the upper end center department of second lid is equipped with the protruding cover, and the upper end of going up the protruding cover is equipped with the ring, goes up protruding cover and last ring and covers connecting piece upper end and adopt the sealant to realize sealedly.
According to the preferred scheme, the connecting cover comprises a first cover body, a concave cover and a lower circular ring, wherein the first cover body is arranged at the upper end and the lower end of the protective shell, the concave cover is arranged at the center of the lower end of the first cover body, and the lower circular ring is arranged at the lower end of the concave cover;
according to the preferable scheme, the upper convex cover and the lower concave cover are matched, the inner cavities of the upper convex cover and the lower concave cover form a filling bin, and sealing filler is injected into the filling bin;
according to the preferred scheme, a sealing sleeve is arranged on the inner wall of the upper convex cover and the end head of the connecting piece, the middle section of the sealing sleeve is a shrinkage sleeve, and a shrinkage ring is sleeved in an annular sinking groove on the outer wall of the shrinkage sleeve;
according to the preferred scheme, the sealing sleeve and the shrinkage sleeve are integrally designed, and the sealing sleeve is fixed on the inner wall of the upper convex cover in a sealing manner;
in the preferred scheme of the application, the second cover body is connected with the sealing ring in an adhesive mode, and the sealing ring is tightly attached to the connecting cover.
Compared with the prior art, the utility model has the following beneficial effects:
in the utility model, the connecting cover and the sealing cover are arranged at the upper end and the lower end of the protective shell, the upper convex cover of the sealing cover is matched with the shrinkage ring of the sealing sleeve shrinkage sleeve machine, so that the sealing at the end of the connecting piece of the rotary transformer is realized, the connecting cover is matched with the sealing cover, the upper convex cover and the lower concave cover are arranged at the holes at the upper end and the lower end of the protective shell, the upper convex cover and the lower concave cover can realize the sealing at the holes, and sealing filler is injected into the inner cavity formed by the upper convex cover and the lower concave cover, so that the sealing performance of the holes is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a cut-away view of the connecting cap, seal cap and connecting member of the present utility model;
FIG. 3 is a front cross-sectional view of the connecting cap and sealing cap of the present utility model;
fig. 4 is an enlarged schematic view at a in fig. 2.
In the figure: 1. a protective housing; 2. a connection cover; 21. a first cover; 22. a concave cover; 23. a lower circular ring; 3. sealing cover; 31. a second cover; 32. an upper convex cover; 33. an upper circular ring; 4. a connecting piece; 5. a seal ring; 6. sealing filler; 7. sealing sleeve; 8. a shrink sleeve; 9. and (5) a shrinkage ring.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-4, a rotary transformer sealing structure comprises a protective shell 1 and a connecting piece 4, wherein the connecting piece 4 is arranged in a shell of the protective shell 1, a stator framework is fixed on the protective shell 1 through the connecting piece 4, a connecting cover 2 and a sealing cover 3 are arranged at openings at the upper end and the lower end of the protective shell 1, a sealing ring 5 is arranged at the joint of the connecting cover 2 and the sealing cover 3, the sealing cover 3 comprises a second cover body 31, the second cover body 31 is arranged at the upper end of the connecting cover 2, an upper convex cover 32 is arranged at the center of the upper end of the second cover body 31, an upper circular ring 33 is arranged at the upper end of the upper convex cover 32, and the upper convex cover 32 and the upper circular ring 33 cover the upper end of the connecting piece 4 and seal by sealing glue; when the protective shell is used, the connecting cover 2 is welded and sealed on the protective shell 1, a screw hole of the connecting cover 2 is opposite to a sinking groove of the sealing ring 5 of the sealing cover 3, fixation between the connecting cover 2 and the sealing cover 3 is realized through a bolt, sealing glue can be injected at the connecting position to realize sealing at the connecting position, the sealing ring 5 realizes sealing between the connecting cover 2 and the sealing cover 3, an upper convex cover 32 is arranged at the center of the upper end of the sealing cover 3, the upper convex cover 32 is in a circular table type cover body design, water can slide down from the surface of the circular table type cover body, dust can be prevented from entering the protective shell 1 through the upper convex cover 32, and the sealing performance of the protective shell 1 is improved;
the inner wall of the upper convex cover 32 and the end head of the connecting piece 4 are provided with a sealing sleeve 7, the middle section of the sealing sleeve 7 is a shrinkage sleeve 8, and the annular sinking groove on the outer wall of the shrinkage sleeve 8 is sleeved with a shrinkage ring 9; the sealing sleeve 7 and the shrinkage sleeve 8 are integrally designed, and the sealing sleeve 7 is fixed on the inner wall of the upper convex cover 32 in a sealing way; the second cover body 31 is connected with the sealing ring 5 in an adhesive way, and the sealing ring 5 is tightly attached to the connecting cover 2; the sealing sleeve 7 is arranged in the cover of the upper convex cover 32 and the end head of the connecting piece 4, the sealing sleeve 7 is adhered on the inner wall of the cover of the upper convex cover 32 through an adhesive, the sealing sleeve 7 covers the end head of the connecting piece 4, and the shrinkage sleeve 8 is shrunk through the shrinkage ring 9, so that the end head of the connecting piece 4 is sealed.
The connecting cover 2 comprises a first cover body 21, a concave cover 22 and a lower circular ring 23, wherein the upper end and the lower end of the protective shell 1 are respectively provided with the first cover body 21, the center of the lower end of the first cover body 21 is provided with the concave cover 22, and the lower end of the concave cover 22 is provided with the lower circular ring 23; the upper convex cover 32 is matched with the lower concave cover 22, the inner cavities of the upper convex cover 32 and the lower concave cover 22 form a filling bin, and sealing filler 6 is injected into the filling bin; the connecting cover 2 is provided with the concave cover 22, the concave cover 22 and the upper convex cover 32 are designed in an adapting way, the concave cover 22 is embedded into the end surface open hole of the protective shell 1, the concave cover 22 and the upper convex cover are matched with each other to realize the sealing of the place, and the sealing filler 6 is injected into the inner cavity formed by the concave cover 22 and the upper convex cover, so that the sealing performance of the place is further realized.
It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a rotary transformer seal structure, includes protective housing (1) and connecting piece (4), and in protective housing (1) shell was arranged in to connecting piece (4), fixed stator skeleton at protective housing (1), its characterized in that through connecting piece (4): the opening at the upper end and the lower end of the protective shell (1) is provided with a connecting cover (2) and a sealing cover (3), the joint of the connecting cover (2) and the sealing cover (3) is provided with a sealing ring (5), the sealing cover (3) comprises a second cover body (31), the upper end of the connecting cover (2) is provided with the second cover body (31), an upper convex cover (32) is arranged at the center of the upper end of the second cover body (31), an upper circular ring (33) is arranged at the upper end of the upper convex cover (32), and the upper convex cover (32) and the upper circular ring (33) cover the upper end of the connecting piece (4) and seal the connecting piece by adopting sealant.
2. A resolver seal according to claim 1, wherein: the connecting cover (2) comprises a first cover body (21), a concave cover (22) and a lower circular ring (23), wherein the first cover body (21) is arranged at the upper end and the lower end of the protective shell (1), the concave cover (22) is arranged at the center of the lower end of the first cover body (21), and the lower end of the concave cover (22) is the lower circular ring (23).
3. A resolver seal according to claim 2, wherein: the upper convex cover (32) and the lower concave cover (22) are matched, the inner cavities of the upper convex cover (32) and the lower concave cover (22) form a filling bin, and sealing filler (6) is injected into the filling bin.
4. A resolver seal according to claim 1 or 2, characterized in that: the upper convex cover (32) is characterized in that a sealing sleeve (7) is arranged on the inner cover wall of the upper convex cover (32) and the end head of the connecting piece (4), the middle section of the sealing sleeve (7) is a shrinkage sleeve (8), and a shrinkage ring (9) is sleeved in an annular sinking groove on the outer wall of the shrinkage sleeve (8).
5. The rotary transformer seal structure according to claim 4, wherein: the sealing sleeve (7) and the shrinkage sleeve (8) are integrally designed, and the sealing sleeve (7) is fixed on the inner wall of the upper convex cover (32) in a sealing way.
6. The rotary transformer seal structure according to claim 5, wherein: the second cover body (31) is connected with the sealing ring (5) in an adhesive mode, and the sealing ring (5) is tightly attached to the connecting cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092047.2U CN220457210U (en) | 2023-08-04 | 2023-08-04 | Rotary transformer sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322092047.2U CN220457210U (en) | 2023-08-04 | 2023-08-04 | Rotary transformer sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220457210U true CN220457210U (en) | 2024-02-06 |
Family
ID=89739209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322092047.2U Active CN220457210U (en) | 2023-08-04 | 2023-08-04 | Rotary transformer sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220457210U (en) |
-
2023
- 2023-08-04 CN CN202322092047.2U patent/CN220457210U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |