CN112702878A - Circuit board fixing structure - Google Patents
Circuit board fixing structure Download PDFInfo
- Publication number
- CN112702878A CN112702878A CN202011607708.5A CN202011607708A CN112702878A CN 112702878 A CN112702878 A CN 112702878A CN 202011607708 A CN202011607708 A CN 202011607708A CN 112702878 A CN112702878 A CN 112702878A
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- circuit board
- snap ring
- end cover
- cable
- board fixing
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- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
Abstract
The application provides a circuit board fixed knot constructs, circuit board fixed knot constructs installs on packaging structure, packaging structure includes end cover and barrel, circuit board fixed knot constructs including circuit board, first snap ring, second snap ring, the barrel with the end cover is connected, be provided with the perforating hole on the end cover, cable one end is passed the perforating hole, the other end is connected with the circuit board, first snap ring with the second snap ring sets up in the barrel, first snap ring sets up the circuit board is close to one side of cable, the second snap ring sets up the opposite side of circuit board, the both ends of circuit board are fixed respectively first snap ring with on the second snap ring. The utility model provides a circuit board fixed knot constructs has guaranteed the rotatory in-process of end cover, the cable can not take place to twist reverse the winding, and the practical workable of simple structure.
Description
Technical Field
The invention relates to the technical field of underwater detection instrument equipment, in particular to a fixing structure of a circuit board.
Background
Because the structure of the underwater detection instrument needs to have good pressure resistance and sealing performance, and needs to adopt a compact structure and a reliable sealing mode, a circuit board inside the instrument needs to be installed and fixed in a narrow space. The sealing mode usually adopts the mode of the threaded end cover with good compactness and reliability and the radial O-shaped ring, and if the cable for connecting the end cover and the circuit board is installed according to the existing circuit board fixing mode, the cable can generate the phenomenon of twisting and winding when the end cover is screwed down for sealing, the rotation of the end cover is blocked, even the cable is disconnected, and the service life and the reliability of the instrument are seriously influenced. The current circuit board fixed mode is mostly direct with the packaging structure snap-on of circuit board and instrument, and relative motion can not take place for the two. The circuit board and the packaging structure of the instrument are directly fixed and cannot move relatively. The cable connecting the circuit board and the sealing end cover is twisted and wound in the process of screwing the end cover in a rotating mode, so that the rotating motion is blocked, even the cable is disconnected, and the service life and the reliability of an instrument are seriously influenced.
Disclosure of Invention
Based on this, this application provides a circuit board fixed knot constructs for the cable of solving circuit board and end cover can take place to twist reverse the winding in the rotatory tightening process of end cover, hinders rotary motion, and the cable disconnection influences the technical problem of instrument life-span and reliability even.
In order to solve the technical problem, the application provides a circuit board fixed knot constructs, include, barrel, end cover, circuit board, first snap ring, second snap ring, the barrel with the end cover is connected, be provided with the perforating hole on the end cover, cable one end is passed the perforating hole, the other end is connected with the circuit board, first snap ring with the second snap ring sets up in the barrel, first snap ring sets up the circuit board is close to one side of cable, the second snap ring sets up the opposite side of circuit board, the both ends of circuit board are fixed respectively first snap ring with on the second snap ring.
In some embodiments, the first snap ring and the second snap ring are identical in structure.
In some embodiments, the first snap ring and the second snap ring are provided with a pair of clamping grooves in a radial direction, and the circuit board is clamped into the clamping grooves.
In some embodiments, the first snap ring and the second snap ring are further provided with a pair of guide grooves in the radial direction, respectively.
In some embodiments, the end cap is provided with a guide rod matched with the guide groove at one end connected with the cylinder body.
In some embodiments, the end cap and the barrel are threaded.
In some embodiments, an O-ring is used to seal between the end cap and the barrel.
The beneficial effect of this application: this application is through setting up first snap ring and second snap ring in the barrel, and set up the draw-in groove on first snap ring and second snap ring, the circuit board is fixed in the draw-in groove of first snap ring and second snap ring, set up the guide bar on the end cover, match with the guide way of first snap ring and second snap ring, at the rotatory in-process of end cover, the circuit board is rotatory thereupon and speed always, screw until end cover and barrel, such structure has guaranteed at the rotatory in-process of end cover, the cable can not take place to twist reverse the winding, and the simple structure is practical workable.
Drawings
FIG. 1 is a general external view of an underwater detection instrument according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the inside of an underwater detection device according to an embodiment of the present invention;
FIG. 3 is a diagram illustrating an initial state of the end cap of the circuit board fixing structure according to the embodiment of the present invention;
FIG. 4 is a diagram illustrating a state of tightening an end cap of a circuit board fixing structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a snap ring according to an embodiment of the present disclosure.
The meaning of the reference symbols in the drawings is:
1-end cap; 2-a cylinder body; 3-a cable head; 4-a cable; 5-a guide rod; 6-a first snap ring; 7-a second snap ring; 8-a circuit board; 9-O-shaped ring; 601-a card slot; 602-guide groove.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The application provides a circuit board fixed knot constructs, circuit board fixed knot constructs and installs on packaging structure, packaging structure includes end cover 1 and barrel 2, end cover 1 with be threaded connection between the barrel 2, adopt O type circle 9 to seal. The circuit board fixing structure comprises a circuit board 8, a first clamping ring 6 and a second clamping ring 7, the barrel body 2 is connected with the end cover 1, a through hole is formed in the end cover 1, the cable head 3 penetrates through the through hole, the other end of the cable 4 is connected with the circuit board 8, the first clamping ring 6 is arranged in the barrel body 2, the first clamping ring 6 is arranged on the portion, close to the circuit board 8, of one side of the cable 4, the second clamping ring 7 is arranged on the other side of the circuit board 8, and two ends of the circuit board 8 are fixed on the first clamping ring 6 and the second clamping ring 7 respectively.
The first snap ring 6 and the second snap ring 7 have the same structure.
The first snap ring 6 with the second snap ring 7 is provided with a pair of clamping grooves 601 in the radial direction, and one end of the circuit board 8 is clamped into the clamping grooves 601 to fix the circuit board 8.
The first snap ring 6 and the second snap ring 7 are further provided with a pair of guide grooves 602 in the radial direction, respectively.
The end cover 1 is provided with a guide rod 5 matched with the guide groove 602 at one end connected with the cylinder 2.
When end cover 1 screwed in, guide bar 5 got into guide way 602, guide way 602 with guide bar 5 cooperation is guaranteed in the time of end cover 1 screw in, circuit board 8 is also rotatory thereupon and speed is unanimous, until end cover 1 with barrel 2 screws, thereby has guaranteed end cover 1 is at rotatory in-process, cable 4 can not take place to twist reverse the winding, and the same reason works as when the end cover was screwed out, cable 4 can not take place to twist reverse the winding yet.
This application is through setting up first snap ring 6 and second snap ring 7 in the barrel, and sets up draw-in groove 601 on first snap ring 6 and second snap ring 7, circuit board 8 is fixed in the draw-in groove 601 of first snap ring 6 and second snap ring (), set up guide bar 5 on the end cover 1, with the guide way 602 phase-match of first snap ring 6 and second snap ring 7 the rotatory in-process of end cover 1, circuit board 8 is rotatory and speed along with it is always, until end cover 1 with barrel 2 screws, and such structure has guaranteed the rotatory in-process of end cover, the cable can not take place to twist reverse the winding, and the practical workable of simple structure.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A circuit board fixing structure is characterized in that the circuit board fixing structure is arranged on a packaging structure, the packaging structure comprises an end cover (1) and a cylinder body (2), the circuit board fixing structure comprises a circuit board (8), a first clamping ring (6) and a second clamping ring (7), the cylinder (2) is connected with the end cover (1), a through hole is arranged on the end cover (1), one end of the cable (4) penetrates through the through hole, the other end of the cable is connected with the circuit board (8), the first snap ring (6) and the second snap ring (7) are arranged in the cylinder body (2), the first snap ring (6) is arranged on one side of the circuit board (8) close to the cable (4), the second snap ring (7) is arranged on the other side of the circuit board (8), and two ends of the circuit board (8) are respectively fixed on the first clamping ring (6) and the second clamping ring (7).
2. A circuit board fixing structure according to claim 1, wherein said first snap ring (6) and said second snap ring (7) are identical in structure.
3. A circuit board fixing structure according to claim 2, wherein the first snap ring (6) and the second snap ring (7) are provided with a pair of card slots (601) in a radial direction, and the circuit board (8) is snapped into the card slots (601).
4. A circuit board fixing structure according to claim 3, wherein a pair of guide grooves (602) are further provided in the radial direction of the first snap ring (6) and the second snap ring (7), respectively.
5. A circuit board fixing structure according to claim 4, wherein the end cap (1) is provided with a guide bar (5) at an end connected to the cylinder (2) to be fitted into the guide groove (602).
6. A circuit board fixing device according to claim 1, characterized in that the end cap (1) and the cylinder (2) are screwed together.
7. A circuit board fixing device according to claim 6, characterized in that the sealing between the end cap (1) and the cylinder (2) is performed by means of an O-ring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607708.5A CN112702878B (en) | 2020-12-30 | 2020-12-30 | Circuit board fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607708.5A CN112702878B (en) | 2020-12-30 | 2020-12-30 | Circuit board fixing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112702878A true CN112702878A (en) | 2021-04-23 |
| CN112702878B CN112702878B (en) | 2022-03-18 |
Family
ID=75512436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607708.5A Active CN112702878B (en) | 2020-12-30 | 2020-12-30 | Circuit board fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112702878B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983491Y (en) * | 2006-06-13 | 2007-11-28 | 中国海洋石油总公司 | Dual clamp cable protection cover |
| CN206850355U (en) * | 2017-06-21 | 2018-01-05 | 天津金莱特石油设备有限公司 | A kind of adjustable multipurpose formula electric cable protector |
| CN208046145U (en) * | 2018-02-11 | 2018-11-02 | 天津星通石油设备有限公司 | A kind of cable protecting device |
| CN209992492U (en) * | 2019-06-06 | 2020-01-24 | 海南大学 | Underwater sensor and underwater environment monitoring platform |
-
2020
- 2020-12-30 CN CN202011607708.5A patent/CN112702878B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200983491Y (en) * | 2006-06-13 | 2007-11-28 | 中国海洋石油总公司 | Dual clamp cable protection cover |
| CN206850355U (en) * | 2017-06-21 | 2018-01-05 | 天津金莱特石油设备有限公司 | A kind of adjustable multipurpose formula electric cable protector |
| CN208046145U (en) * | 2018-02-11 | 2018-11-02 | 天津星通石油设备有限公司 | A kind of cable protecting device |
| CN209992492U (en) * | 2019-06-06 | 2020-01-24 | 海南大学 | Underwater sensor and underwater environment monitoring platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112702878B (en) | 2022-03-18 |
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