CN215647835U - Sealing device for lead penetrating shaft - Google Patents
Sealing device for lead penetrating shaft Download PDFInfo
- Publication number
- CN215647835U CN215647835U CN202023214627.7U CN202023214627U CN215647835U CN 215647835 U CN215647835 U CN 215647835U CN 202023214627 U CN202023214627 U CN 202023214627U CN 215647835 U CN215647835 U CN 215647835U
- Authority
- CN
- China
- Prior art keywords
- lead
- fixed
- circuit board
- lead frame
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Transform (AREA)
Abstract
The utility model relates to a sealing device for a lead penetrating shaft, which comprises an outer fixed lead frame, a circuit board fixing piece and an inner fixed lead frame, wherein the outer fixed lead frame is fixed on the outer side of the circuit board fixing piece; the outer side fixed lead frame, the circuit board fixing piece and the inner side fixed lead frame are sequentially arranged in the shaft hole of the pitching encoder shaft and are hermetically connected with the pitching encoder shaft 11; the wiring circuit board is fixed at the shoulder of the inner hole of the circuit board fixing piece; the wires extend into the pitching axis from the outside through the wire through holes of the outer fixed wire frame, the circuit board fixing part and the inner fixed wire frame; and the groove position of the lead frame is fixed on the outer side, the position of the left through hole of the circuit board fixing piece and the position of the groove of the lead frame is fixed on the inner side of the position of the right through hole of the circuit board fixing piece. The utility model has the advantages of simple structure, small occupied space, convenient operation and good reliability.
Description
Technical Field
The utility model belongs to the technical field of photoelectric pod, and particularly relates to a sealing device for a shaft system through which an internal lead of a photoelectric pod passes.
Background
The photoelectric pod is mainly used for completing target searching and tracking and environmental characteristic identification, and has the characteristics of flexibility, real-time accuracy, strong pertinence and the like. The photoelectric pod is generally provided with a plurality of photoelectric task loads such as visible light, infrared light, laser light and the like, and when a task is executed, the visual axis of the photoelectric task load is controlled to point to not deviate from an expected reconnaissance line and an expected target no matter how the posture and the line change, so that the preset reconnaissance purpose and the reconnaissance effect are achieved.
In the prior art, the photoelectric pod mostly executes tasks in a harsh environment, and meanwhile, the photoelectric load operation requires environments such as dust prevention and water prevention, namely, a load cabin assembly of the pod is required to be designed into a closed space to ensure that the photoelectric load is isolated from the external environment, so that the influence of dust and water vapor in the external environment on the photoelectric load is avoided. In the design of the photoelectric pod, a pitch axis system needs to move between the load cabin and the outer frame component, and meanwhile, a large number of wires are arranged inside the load cabin and connected with the outside, so that the wires are required to be highly sealed when passing through the pitch axis system, and the airtight environment of the load cabin component is ensured. The existing wire sealing device applied to the photoelectric hanging cabin occupies a large space, is limited in the number of accessible wires, low in reliability and inconvenient to operate. Accordingly, there is a need in the art for improvements.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a sealing device for a lead through shaft, which is applied to a photoelectric hanging cabin and has simple structure and small occupied space.
In order to solve the technical problem, the sealing device for the lead through shaft comprises an outer fixed lead frame, a circuit board fixing piece and an inner fixed lead frame; the outer side fixed lead frame, the circuit board fixing piece and the inner side fixed lead frame are sequentially arranged in the shaft hole of the pitching encoder shaft and are in sealing connection with the pitching encoder shaft; the wiring circuit board is fixed at the shoulder of the inner hole of the circuit board fixing piece; the wires extend into the pitching axis from the outside through the wire through holes of the outer fixed wire frame, the circuit board fixing part and the inner fixed wire frame; sealant is encapsulated at the position of the groove of the outer fixed lead frame, the position of the left through hole of the circuit board fixing piece, the position of the right through hole of the circuit board fixing piece and the position of the groove of the inner fixed lead frame.
Furthermore, the utility model also comprises a lead sealing device pressing ring; the pressing ring of the lead sealing device is arranged at the annular groove on the inner wall of the shaft hole of the pitching encoder shaft and is clamped on the right end face of the fixed lead frame on the inner side.
The wires are welded and fixed at the positions of the wire through holes of the wiring circuit board.
Furthermore, the outer side fixed lead frame, the circuit board fixing part and the inner side fixed lead frame are hermetically connected with the pitching encoder shaft through an outer side lead fixing frame sealing ring and an inner side lead fixing frame sealing ring; the outer lead fixing frame sealing ring is arranged in a groove at the right end edge of the outer fixing lead frame and is pressed and fixed by the left end surface of the circuit board fixing piece and the inner wall of the pitching encoder shaft; the inboard wire mount sealing washer is installed in the slot of circuit board mounting right-hand member edge, compresses tightly fixedly by the left end face of the inboard fixed lead frame and the shaft hole inner wall of every single move encoder axle.
The outer side lead fixing frame sealing ring and the inner side lead fixing frame sealing ring adopt conductive sealing strips.
The sealant is D04 soft glue.
Compared with the prior art, the utility model provides the sealing device for the lead through shaft, which is applied to the photoelectric hanging cabin and has the advantages of simple structure, small occupied space and convenience in operation. The method has the following beneficial effects:
1. the sealing device for the lead through shaft ensures the reliability of the whole device by using a multilayer glue pouring method while sealing the circuit board.
2. The sealing device for the wire penetrating shaft realizes compact design on the basis of ensuring use reliability, and achieves the use purposes of small occupied space and convenient operation.
3. The sealing device for the wire penetrating shaft uses the conductive sealing strip at the joint for multiple times, ensures the sealing of the whole shaft system in operation, and simultaneously enhances the electromagnetic shielding function.
4. The sealing device for the wire penetrating shaft is integrally fixed with the shaft system, and is airtight with the shaft hole through the sealing ring, so that the convenience in replacement of the whole platform is guaranteed, and the maintainability of the platform is guaranteed.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a sectional view of a front view of the structure of the present invention.
In the figure: 11, 12, a bearing, 121, a bearing inner pressing ring, 122, a bearing outer pressing ring, 13, an orientation frame, 14, a pitch frame, 141, a hexagon socket head cap screw, 142, a pitch frame sealing ring, 21, an outer fixed lead frame, 211, an outer fixed lead frame groove position, 212, an outer fixed lead frame via hole position, 213, an outer lead fixing frame sealing ring, 22, a circuit board fixing piece, 221, a circuit board fixing piece left through hole position, 222, a circuit board fixing piece right through hole position, 223, an inner lead fixing frame sealing ring, 23, an inner fixed lead frame, 231, an inner fixed lead frame groove position, 232, an inner fixed lead frame via hole position, 3, a routing circuit board, 4, a lead, 31, an inner hexagon socket head cap screw, and 5, a lead sealing device pressing ring.
Detailed Description
As shown in fig. 1, the existing pitch shafting includes an azimuth frame 13, a pitch encoder shaft 11, a bearing 12, a bearing inner clamping ring 121, a bearing outer clamping ring 122, and the like; the pitching frame 14 is fixedly connected with the pitching encoder shaft 11 through 8 hexagon socket head cap screws 141, the pitching frame 14 is fixed at the designated position of a pitching shaft system, and the pitching frame sealing ring 142 is arranged in an annular groove at the contact surface of the pitching encoder shaft 11 and the pitching frame 14; the pitch encoder shaft 11 and the azimuth frame 13 are supported by a bearing 12, a bearing inner pressure ring 121 presses the pitch encoder shaft 11, and a bearing outer pressure ring 122 presses the azimuth frame 13.
The sealing device for a lead through shaft of the utility model comprises an outer fixed lead frame 21, a circuit board fixing part 22, an inner fixed lead frame 23, an outer lead fixing frame sealing ring 213 and an inner lead fixing frame sealing ring 223; the outer fixed lead frame 21, the circuit board fixing part 22 and the inner fixed lead frame 23 are sequentially arranged in the shaft hole of the pitching encoder shaft 11, the lead sealing device pressing ring 5 is arranged at an annular groove on the inner wall of the shaft hole of the pitching encoder shaft 11 and clamped on the right end face of the inner fixed lead frame 23, the whole sealing device is fixed at a specified position of a pitching shaft system, and the inner lead fixing frame sealing ring 223 and the outer lead fixing frame sealing ring 213 are guaranteed to play a sealing role; the wiring circuit board 3 is fixed at the shoulder of the inner hole of the circuit board fixing part 22 by using 4 inner hexagonal socket head cap screws 31; the lead 4 is welded and fixed at the lead via hole position of the wiring circuit board 3, and the lead 4 penetrates through the lead via holes of the outer fixed lead frame 21, the circuit board fixing part 22 and the inner fixed lead frame 23 from the outside and finally extends to the inside of the whole pitching axis; the outer lead fixing frame sealing ring 213 is installed in a groove at the right end edge of the outer fixing lead frame 21 and is pressed and fixed by the left end face of the circuit board fixing part 22 and the inner wall of the pitch encoder shaft 11; the inner lead fixing frame sealing ring 223 is arranged in a groove at the edge of the right end of the circuit board fixing part 22 and is pressed and fixed by the left end surface of the inner fixing lead frame 23 and the inner wall of the shaft hole of the pitching encoder shaft 11; sealant is encapsulated at an outer fixed leadframe trench location 211, an outer fixed leadframe via location 212, a circuit board fixture left through hole location 221, a circuit board fixture right through hole location 222, an inner fixed leadframe via location 232, and an inner fixed leadframe trench location 231. The whole sealing device is fixed with the whole pitching axis system and the pitching frame 14 into a whole, so that the pitching frame and the pitching axis system can be ensured to play a sealing role after rotating, namely the sealing of the whole cabin body in pitching rotation is ensured.
The whole sealing device is independently assembled, the sealing device and the pitching axis are fixed into a whole in the rotating process of the pitching frame along with the pitching axis, the sealing device and the pitching axis are sealed by utilizing an inner side lead fixing frame sealing ring 223 and an outer side lead fixing frame sealing ring 213, and meanwhile, four layers of sealing are performed in the whole sealing device by utilizing an outer side fixing lead frame groove position 211, a circuit board fixing piece left through hole position 221, a circuit board fixing piece right through hole position 222 and an inner side fixing lead frame groove position 231; in order to ensure the service life of the lead and the wire winding in the shafting operation process, the left side and the right side of the wiring circuit board 3 are respectively provided with an outer fixed lead frame 21 and an inner fixed lead frame 23, so that the lead 4 can be ensured not to directly act on the wiring circuit board 3 under the wire winding or strong action, and the high reliability of the wiring circuit board is ensured; in order to facilitate and maintain, the sealing device can be integrally disassembled and is easy to replace, the purpose of wire sealing is met, and meanwhile, high reliability and maintainability are enhanced for the severe working environment of the photoelectric platform.
The outer lead fixing frame sealing ring 213 and the inner lead fixing frame sealing ring 223 adopt conductive sealing strips.
Preferably, the sealant adopts D04 soft rubber with better sealing performance.
Claims (6)
1. A sealing device for lead through shaft is characterized in that the sealing device comprises an outer fixed lead frame (21), a circuit board fixing member (22) and an inner fixed lead frame (23); the outer side fixed lead frame (21), the circuit board fixing piece (22) and the inner side fixed lead frame (23) are sequentially arranged in the shaft hole of the pitching encoder shaft (11) and are hermetically connected with the pitching encoder shaft (11); the wiring circuit board (3) is fixed at the shoulder of the inner hole of the circuit board fixing part (22); the lead (4) penetrates through the lead through hole of the outer fixed lead frame (21), the circuit board fixing piece (22) and the inner fixed lead frame (23) from the outside and extends to the inside of the pitching axis; and sealing glue is encapsulated at the position (211) of the groove of the outer fixed lead frame, the position (221) of the left through hole of the circuit board fixing piece, the position (222) of the right through hole of the circuit board fixing piece and the position (231) of the groove of the inner fixed lead frame.
2. The seal for a wire feed-through according to claim 1, further comprising a wire seal pressing ring (5); the lead sealing device pressing ring (5) is arranged at an annular groove on the inner wall of the shaft hole of the pitching encoder shaft (11) and clamped on the right end face of the fixed lead frame (23) on the inner side.
3. The sealing device for lead through shaft as claimed in claim 1, wherein the lead (4) is fixed by soldering at the lead through hole position of the trace circuit board (3).
4. The sealing device for a lead through shaft according to claim 1, wherein the outer fixed lead frame (21), the circuit board fixing member (22) and the inner fixed lead frame (23) are hermetically connected with the pitch encoder shaft (11) through an outer lead fixing frame sealing ring (213) and an inner lead fixing frame sealing ring (223); the outer lead fixing frame sealing ring (213) is arranged in a groove at the edge of the right end of the outer fixing lead frame (21) and is pressed and fixed by the left end surface of the circuit board fixing piece (22) and the inner wall of the pitching encoder shaft (11); the inner side lead fixing frame sealing ring (223) is installed in a groove at the edge of the right end of the circuit board fixing piece (22), and the left end face of the inner side fixing lead frame (23) is tightly pressed and fixed with the inner wall of the shaft hole of the pitching encoder shaft (11).
5. The sealing device for a lead-through shaft as claimed in claim 4, wherein the outer lead frame sealing ring (213) and the inner lead frame sealing ring (223) are electrically conductive sealing strips.
6. The sealing device for lead through shaft as claimed in claim 1, wherein said sealant is D04 soft glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214627.7U CN215647835U (en) | 2020-12-28 | 2020-12-28 | Sealing device for lead penetrating shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023214627.7U CN215647835U (en) | 2020-12-28 | 2020-12-28 | Sealing device for lead penetrating shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215647835U true CN215647835U (en) | 2022-01-25 |
Family
ID=79888163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023214627.7U Active CN215647835U (en) | 2020-12-28 | 2020-12-28 | Sealing device for lead penetrating shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215647835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552509A (en) * | 2022-03-10 | 2022-05-27 | 西安应用光学研究所 | Airtight small-wire winding rectangular lead shaft penetrating device |
-
2020
- 2020-12-28 CN CN202023214627.7U patent/CN215647835U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114552509A (en) * | 2022-03-10 | 2022-05-27 | 西安应用光学研究所 | Airtight small-wire winding rectangular lead shaft penetrating device |
| CN114552509B (en) * | 2022-03-10 | 2024-04-19 | 西安应用光学研究所 | Airtight small-wire winding rectangular wire shaft penetrating device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215647835U (en) | Sealing device for lead penetrating shaft | |
| CN210092146U (en) | Battery sealing ring | |
| CN112197739B (en) | Sealing routing structure of ultra-light small-sized photoelectric rotary table | |
| US20230335940A1 (en) | A quick-connection waterproof and dustproof joint and a quick-connection waterproof and dustproof connecting structure | |
| CN213322525U (en) | Integrated hollow tire pressure rotary transformer | |
| CN108681187B (en) | Camera sealed cabin and underwater robot using same | |
| CN211061111U (en) | Deepwater pressure sensor packaging structure | |
| CN210462753U (en) | Low dome lamp shell and low dome lamp | |
| CN220604966U (en) | 4G antenna assembly for monitoring terminal | |
| CN211826524U (en) | Integrative receiver of big dipper navigation high accuracy location | |
| CN216212017U (en) | Marine multifunctional display capable of being automatically assembled | |
| CN210570728U (en) | Easily assemble encoder of high protection | |
| CN218648191U (en) | Waterproof communication connector | |
| CN203467093U (en) | Novel electrical operation box suitable for ship cranes and installed in the open air | |
| CN214901050U (en) | High-definition explosion-proof intelligent integrated distribution control ball | |
| CN219933107U (en) | Long service life's electric actuator | |
| CN208691656U (en) | A kind of Water-proof hand controlled box | |
| CN216869589U (en) | Heavy-load redundant photoelectric encoder | |
| CN112020295B (en) | Installation structure and installation method of wire mesh electromagnetic shielding optical window | |
| CN203519033U (en) | Remote measuring apparatus for hydrology and water resource | |
| CN203301910U (en) | Waterproof box | |
| CN114373670B (en) | Mass spectrometer high-voltage transmission structure and mass spectrometer | |
| CN218587465U (en) | High protection level electric cabinet and pneumatic operation equipment | |
| CN211959476U (en) | Explosion-proof pickup | |
| CN217060283U (en) | Suction nozzle of semiconductor test equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Building 2, Changchun Jingyue Technology Achievement Undertaking and Transformation Base, No. 888 Dujuan Road, Jingyue Development Zone, Changchun City, Jilin Province, 130033 Patentee after: Changchun Tongshi Optoelectronic Technology Co.,Ltd. Address before: Room 5005, Minsheng building, no.2950 Jingyue street, Changchun Jingyue hi tech Industrial Development Zone, Changchun City, Jilin Province Patentee before: CHANGCHUN TONGSHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |