CN211789824U - Special SDI video character overlapping card interface structure for rail transit - Google Patents
Special SDI video character overlapping card interface structure for rail transit Download PDFInfo
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- CN211789824U CN211789824U CN202020999379.2U CN202020999379U CN211789824U CN 211789824 U CN211789824 U CN 211789824U CN 202020999379 U CN202020999379 U CN 202020999379U CN 211789824 U CN211789824 U CN 211789824U
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Abstract
The utility model discloses a special SDI video character overlapping joint interface structure for rail transit, the external connecting equipment extends into the connecting ring and abuts against the inclined elastic sheet on the inner side wall of the connecting ring, the inclined elastic sheet is pressed by the external connecting equipment to extrude the abutting spring, the abutting spring enables the inclined elastic sheet to clamp the external connecting equipment, the contact ring at the front end of the external connecting equipment is abutted and matched with the limiting ring, and the conducting ring at the front end of the external connecting equipment is connected with the connection conductor, the locking joint at the tail end of the connecting ring is abutted against the end part of the external connecting equipment, so that the periphery of the external connecting equipment is completely fixed, the external connecting equipment and the connection conductor are not easy to loosen and break in the connection process, and the connection between the connection conductor and the external connecting equipment is better.
Description
Technical Field
The utility model relates to a data transmission field especially relates to a dedicated SDI video character stack joint interface structure of track traffic.
Background
The video monitoring system is an important means for ensuring the running organization and safety of urban rail transit, a dispatcher and a station attendant monitor the running of a train, the passenger flow condition and the equipment running condition of a substation equipment room by using the video monitoring system, the running command transparency is improved, the public security can guarantee the personnel safety and the order of passengers by using the video monitoring system, when a disaster occurs in a station, the video monitoring system can be used as a command tool for commanding and rescuing by a disaster prevention dispatcher, and thus the video monitoring system of the rail transit needs to store a large amount of information.
At present, the track traffic video storage is communicated with the external SDI video character superimposer, the external SDI video character superimposer achieves the effects of synchronous output and display of data and video signals by acquiring video data of sensor data and a high-definition camera and abutting the sensor data and the video data, but the external SDI video character superimposer is poor in connectivity with the track traffic video storage, so that the output of the external SDI video character superimposer is unstable, and the output of data signals is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dedicated SDI video character of track traffic superposes joint interface structure, the outside SDI video character superimposer that aims at solving among the prior art is not good with the connectivity of track traffic video memory, makes the output of outside SDI video character superimposer unstable, influences the technical problem of data signal's output.
In order to achieve the purpose, the utility model discloses a special SDI video character superposition card interface structure of track traffic, which comprises a shell, a circuit board, a connecting conductor and a connecting assembly; the circuit board is fixedly connected with the shell and positioned on one side of the shell, and the connecting conductor is fixedly connected with the shell, electrically connected with the circuit board and positioned on one side of the shell close to the circuit board; the connecting assembly comprises a limiting ring, a connecting ring, a locking joint and a limiting component, the limiting ring is fixedly connected with the shell, is positioned on one side of the shell close to the switch-on conductor and is positioned on the periphery of the switch-on conductor, the connecting ring is fixedly connected with the shell, is positioned on one side of the shell close to the limiting ring and is positioned on one side of the limiting ring far away from the switch-on conductor, and the locking joint is detachably connected with the connecting ring and is positioned on one side of the connecting ring far away from the shell; the limiting component comprises an inclined elastic sheet and a butt spring, the inclined elastic sheet is rotatably connected with the connecting ring and is positioned at one side of the connecting ring close to the limiting ring and is positioned between the connecting ring and the limiting ring, one side of the butt spring is fixedly connected with the connecting ring, the other side of the butt spring is fixedly connected with the inclined elastic sheet, and the butt spring is positioned between the inclined elastic sheet and the connecting ring.
The locking joint comprises a first clamping plate, a second clamping plate and a clamping component, wherein the first clamping plate is detachably connected with the connecting ring and is positioned on one side, far away from the shell, of the connecting ring; the second clamping plate is abutted against the first clamping plate, is detachably connected with the connecting ring, and is positioned on one side, close to the first clamping plate, of the connecting ring; the clamping component is fixedly connected with the second clamping plate and is abutted against the first clamping plate.
The first clamping plate is provided with a clamping groove, and the clamping groove is positioned on one side, close to the second clamping plate, of the first clamping plate; the clamping component comprises a connecting column and a connecting buckle, the connecting column is fixedly connected with the second clamping plate and is positioned on one side, close to the clamping groove, of the second clamping plate, and the connecting buckle is fixedly connected with the connecting column, is matched with the clamping groove and is positioned on one side, close to the clamping groove, of the connecting column.
The clamping component further comprises an abutting baffle, and the abutting baffle is located on one side, far away from the connecting ring, of the second clamping plate.
The limiting component further comprises a friction plate, the friction plate is fixedly connected with the inclined elastic sheet and is located on one side, away from the connecting ring, of the inclined elastic sheet.
The connecting ring is provided with an abutting protrusion, and the abutting protrusion is located on one side, close to the limiting ring, of the connecting ring and surrounds the connecting ring for a circle.
The special SDI video character superposition card interface structure for the rail transit further comprises a sealing cover, wherein the sealing cover is detachably connected with the limiting ring and is positioned on one side, far away from the shell, of the limiting ring.
The utility model discloses a special SDI video character superposition joint interface structure for rail transit, which is characterized in that the external connecting equipment extends into the connecting ring and is abutted against the inclined elastic sheet on the inner side wall of the connecting ring, the inclined elastic sheet is pressed by the external connecting equipment to extrude the abutting spring, the abutting spring enables the inclined elastic sheet to clamp the external connecting equipment, the contact ring at the front end of the external connecting equipment is abutted and matched with the limiting ring, and the conducting ring at the front end of the external connecting equipment is connected with the connection conductor, the locking joint at the tail end of the connecting ring is abutted against the end part of the external connecting equipment, so that the periphery of the external connecting equipment is completely fixed, the external connecting equipment and the connection conductor are not easy to loosen and break in the connection process, and the connection between the connection conductor and the external connecting equipment is better.
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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the connection assembly of the present invention.
Fig. 2 is a schematic structural view of the stopper member of the present invention.
Fig. 3 is a schematic view of a connection structure between the stop collar and the connection ring according to the present invention.
Fig. 4 is a schematic view of the connection structure of the external connection device and the connection ring according to the present invention.
Fig. 5 is a schematic structural diagram of the locking joint of the present invention.
In the figure: the device comprises a shell 1, a circuit board 2, a circuit conductor 3, a connecting component 4, a sealing cover 5, an external connecting device 6, a conducting ring 7, a limiting ring 41, a connecting ring 42, a locking joint 43, a limiting component 44, an SDI video character overlapping clamping interface structure special for 100-rail traffic, a 421-abutting projection, a 431-first clamping plate, a 432-second clamping plate, a 433-clamping component, a 441-inclined elastic sheet, a 442-abutting spring, a 443-friction plate, a 4311-clamping groove, a 4331-connecting column, a 4332-connecting buckle and a 4333-abutting baffle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 to 4, the utility model provides a special SDI video character overlapping card interface structure 100 for rail transit, which comprises a shell 1, a circuit board 2, a connecting conductor 3 and a connecting component 4; the circuit board 2 is fixedly connected with the shell 1 and is positioned at one side of the shell 1, and the connecting conductor 3 is fixedly connected with the shell 1, is electrically connected with the circuit board 2 and is positioned at one side of the shell 1 close to the circuit board 2; the connecting assembly 4 comprises a limiting ring 41, a connecting ring 42, a locking joint 43 and a limiting member 44, the limiting ring 41 is fixedly connected with the housing 1 and is positioned on one side of the housing 1 close to the connection conductor 3 and on the periphery of the connection conductor 3, the connecting ring 42 is fixedly connected with the housing 1 and is positioned on one side of the housing 1 close to the limiting ring 41 and is positioned on one side of the limiting ring 41 far away from the connection conductor 3, and the locking joint 43 is detachably connected with the connecting ring 42 and is positioned on one side of the connecting ring 42 far away from the housing 1; the position limiting member 44 includes an inclined elastic sheet 441 and an abutting spring 442, the inclined elastic sheet 441 is rotatably connected to the connection ring 42, is located on one side of the connection ring 42 close to the position limiting ring 41 and is located between the connection ring 42 and the position limiting ring 41, one side of the abutting spring 442 is fixedly connected to the connection ring 42, and the other side of the abutting spring 442 is fixedly connected to the inclined elastic sheet 441 and is located between the inclined elastic sheet 441 and the connection ring 42.
In this embodiment, the casing 1 is a rectangular casing 1, the interior of the casing 1 is hollow, the circuit board 2 is installed inside the casing 1 by screw threads, the connection conductor 3 is made of conductive metal, penetrates through a side wall of the casing 1, is connected to the circuit board 2, and extends out of an outer surface of the casing 1, a main body portion of the external connection device 6 is a cylinder, a conductive ring 7 is provided at a front end of the external connection device 6, a connection lead is provided at a rear end of the external connection device 6, the conductive ring 7 of the external connection device 6 is matched with an outer side surface of the connection conductor 3, so that the external connection device 6 is electrically connected to the circuit board 2, and an external processing device is electrically connected through the connection lead; the limiting ring 41 is a ring body with a hollow inner part and is sleeved on the periphery of the connection conductor 3, so that the conducting ring 7 of the external connection equipment 6 extends into the limiting ring 41, and the conducting ring 7 at the front end of the external connection equipment 6 is ensured to be continuously connected with the connection conductor 3; the connection ring 42 is a ring body with a hollow inner part, is sleeved on the periphery of the limit ring 41 and is concentric with the limit ring 41, the length of the inner axis of the connection ring 42 is longer than that of the limit ring 41, so that the installation height of the connection ring 42 is higher than that of the limit ring 41, the cylindrical main body of the external connection equipment 6 extends into the connection ring 42, the inclined elastic sheet 441 is integrally installed on the inner side wall of the connection ring 42, the inclined elastic sheet 441 has good deformability, the bottom of the inclined elastic sheet is integrally formed with the inner side wall of the connection ring 42, the top of the inclined elastic sheet is inclined towards the direction of the shell 1, the cylindrical main body of the external connection equipment 6 is in contact with the inclined elastic sheet 441 to press the inclined elastic sheet 441, the abutting spring 442 is fixed on the free end part of the inclined elastic sheet 441 through a thread, the abutting spring 442 is installed between the connection ring 42 and the inclined, the inclined spring pieces 441 are resisted, the number of the inclined spring pieces 441 and the abutting springs 442 is four, and the inclined spring pieces 441 and the abutting springs 442 are vertically arranged on the inner side wall of the connecting ring 42, so that the inclined spring pieces 441 clamp the outer side wall of the external connection device 6; the locking connector 43 is threadedly mounted on the outer periphery of the connection ring 42 and abuts against the circular end of the cylindrical body of the external connection device 6, so that the external connection device 6 extends into the connection ring 42 and abuts against the inclined elastic piece 441 positioned on the inner side wall of the connection ring 42 in the process of continuing to extend, the inclined elastic piece 441 is pressed by the external connection device 6 to press the abutting spring 442, the abutting spring 442 exerts reverse elasticity on the inclined elastic piece 441, so that the inclined elastic piece 441 clamps the external connection device 6, the external connection device 6 continues to extend into the connection ring 42, the contact ring at the front end of the external connection device 6 is abutted and matched with the limit ring 41, and the conductive ring 7 at the front end of the external connection device 6 is connected with the connection conductor 3, so that the external device is electrically connected with the circuit board 2, the locking tab 43 at the rear end of the connection ring 42 abuts against the end of the external connection device 6 to completely fix the outer circumference of the external connection device 6, so that the external connection device 6 and the connection conductor 3 are not easily loosened and disconnected during the connection process, thereby improving the connectivity of the connection conductor 3 and the external connection device 6.
Further, referring to fig. 4 and 5, the locking joint 43 includes a first clamping plate 431, a second clamping plate 432 and a clamping member 433, wherein the first clamping plate 431 is detachably connected to the connecting ring 42 and is located on a side of the connecting ring 42 away from the housing 1; the second clamping plate 432 is abutted against the first clamping plate 431, is detachably connected with the connecting ring 42 and is positioned on one side of the connecting ring 42 close to the first clamping plate 431; the clamping member 433 is fixedly connected to the second clamping plate 432 and abuts against the first clamping plate 431.
Further, referring to fig. 4 and fig. 5, the first card 431 has a slot 4311, and the slot 4311 is located on a side of the first card 431 close to the second card 432; the clamping member 433 includes a connection column 4331 and a connection buckle 4332, the connection column 4331 is fixedly connected to the second clamping plate 432 and is located on one side of the second clamping plate 432 close to the clamping groove 4311, and the connection buckle 4332 is fixedly connected to the connection column 4331 and is matched with the clamping groove 4311 and is located on one side of the connection column 4331 close to the clamping groove 4311.
Further, referring to fig. 4 and 5, the clamping member 433 further includes an abutting baffle 4333, and the abutting baffle 4333 is located on a side of the second clamping plate 432 away from the connecting ring 42.
In this embodiment, the side end of the first card 431 is provided with the slot 4311, the number of the slots 4311 is two, and the two slots 4311 are respectively located at two sides of the end surface of the first card 431, the end surface of the second card 432 is integrally fixed with the connecting column 4331 and the connecting buckle 4332, the connecting column 4331 and the connecting buckle 4332 extend into the slot 4311, so that the first card 431 and the second card 432 are matched into a hollow cylinder, part of the inner side wall of the cylinder is fixed to the outer side surface of the connecting ring 42 by a screw, the connecting buckle 4332 is pressed by a hole at the side surface of the first card 431, the connecting buckle 4332 is separated from the slot 4311, and thus the first card 431 and the second card 432 are separated; the abutting baffle 4333 is integrally fixed on one side of the second clamping plate 432, which is far away from the connecting ring 42, and the abutting baffle 4333 abuts against the tail end of the external connection device 6, so that the external connection device 6 is limited between the connecting ring 42 and the locking joint 43, and the connectivity between the connection conductor 3 and the external connection device 6 is better.
Further, referring to fig. 2, the position-limiting member 44 further includes a friction plate 443, and the friction plate 443 is fixedly connected to the inclined elastic piece 441 and is located on a side of the inclined elastic piece 441 away from the connection ring 42.
In the present embodiment, the friction plate 443 is made of rubber and is clamped at the free end portion of the inclined elastic sheet 441, and the inclined elastic sheet 441 is abutted against the outer side wall of the external connection device 6 through the friction plate 443, so that friction with the external connection device 6 is increased, the external connection device 6 is better connected with the inclined elastic sheet 441, and displacement is not easily generated.
Further, referring to fig. 3 and 4, the connection ring 42 has an abutting projection 421, and the abutting projection 421 is located on one side of the connection ring 42 close to the limiting ring 41 and surrounds the connection ring 42 for a circle.
In this embodiment, the contact protrusion 421 is an annular protrusion, is connected between the connection ring 42 and the limiting ring 41, and is parallel to the end surface of the limiting ring 41, so as to contact the front end surface of the cylinder of the external device, and improve the connection between the external device and the connection ring 42.
Further, referring to fig. 3, the SDI video character overlay card interface structure 100 for track traffic further includes a sealing cover 5, and the sealing cover 5 is detachably connected to the limiting ring 41 and is located on a side of the limiting ring 41 away from the housing 1.
In this embodiment, the sealing cover 5 is made of rubber, covers the end surface of the limiting ring 41, seals the inside of the limiting ring 41, and is only required to be removed when in use, so that dust can be prevented from entering the inside of the limiting ring 41 and affecting the connectivity between the external connection device 6 and the through conductor 3.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A special SDI video character superposition card interface structure for rail transit is characterized by comprising a shell, a circuit board, a connecting conductor and a connecting assembly;
the circuit board is fixedly connected with the shell and positioned on one side of the shell, and the connecting conductor is fixedly connected with the shell, electrically connected with the circuit board and positioned on one side of the shell close to the circuit board;
the connecting assembly comprises a limiting ring, a connecting ring, a locking joint and a limiting component, the limiting ring is fixedly connected with the shell, is positioned on one side of the shell close to the switch-on conductor and is positioned on the periphery of the switch-on conductor, the connecting ring is fixedly connected with the shell, is positioned on one side of the shell close to the limiting ring and is positioned on one side of the limiting ring far away from the switch-on conductor, and the locking joint is detachably connected with the connecting ring and is positioned on one side of the connecting ring far away from the shell;
the limiting component comprises an inclined elastic sheet and a butt spring, the inclined elastic sheet is rotatably connected with the connecting ring and is positioned at one side of the connecting ring close to the limiting ring and is positioned between the connecting ring and the limiting ring, one side of the butt spring is fixedly connected with the connecting ring, the other side of the butt spring is fixedly connected with the inclined elastic sheet, and the butt spring is positioned between the inclined elastic sheet and the connecting ring.
2. The SDI video character overlay card interface structure for track traffic as recited in claim 1,
the locking joint comprises a first clamping plate, a second clamping plate and a clamping component, wherein the first clamping plate is detachably connected with the connecting ring and is positioned on one side of the connecting ring, which is far away from the shell; the second clamping plate is abutted against the first clamping plate, is detachably connected with the connecting ring, and is positioned on one side, close to the first clamping plate, of the connecting ring; the clamping component is fixedly connected with the second clamping plate and is abutted against the first clamping plate.
3. The SDI video character overlay card interface structure for track traffic as recited in claim 2,
the first clamping plate is provided with a clamping groove, and the clamping groove is positioned on one side, close to the second clamping plate, of the first clamping plate; the clamping component comprises a connecting column and a connecting buckle, the connecting column is fixedly connected with the second clamping plate and is positioned on one side, close to the clamping groove, of the second clamping plate, and the connecting buckle is fixedly connected with the connecting column, is matched with the clamping groove and is positioned on one side, close to the clamping groove, of the connecting column.
4. The SDI video character overlay card interface structure for track traffic as recited in claim 3,
the clamping component further comprises an abutting baffle which is located on one side, far away from the connecting ring, of the second clamping plate.
5. The SDI video character overlay card interface structure for track traffic as recited in claim 1,
the limiting component further comprises a friction plate, and the friction plate is fixedly connected with the inclined elastic sheet and is positioned on one side, far away from the connecting ring, of the inclined elastic sheet.
6. The SDI video character overlay card interface structure for track traffic as recited in claim 1,
the connecting ring is provided with an abutting protrusion, and the abutting protrusion is located on one side, close to the limiting ring, of the connecting ring and surrounds the connecting ring for a circle.
7. The SDI video character overlay card interface structure for track traffic as recited in claim 1,
the special SDI video character superposition card interface structure for the rail transit further comprises a sealing cover, wherein the sealing cover is detachably connected with the limiting ring and is positioned on one side, far away from the shell, of the limiting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999379.2U CN211789824U (en) | 2020-06-03 | 2020-06-03 | Special SDI video character overlapping card interface structure for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020999379.2U CN211789824U (en) | 2020-06-03 | 2020-06-03 | Special SDI video character overlapping card interface structure for rail transit |
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| Publication Number | Publication Date |
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| CN211789824U true CN211789824U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020999379.2U Active CN211789824U (en) | 2020-06-03 | 2020-06-03 | Special SDI video character overlapping card interface structure for rail transit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113976A (en) * | 2021-11-07 | 2022-03-01 | 武汉宇隆光电科技有限公司 | PCBA circuit board multinomial function test device |
-
2020
- 2020-06-03 CN CN202020999379.2U patent/CN211789824U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114113976A (en) * | 2021-11-07 | 2022-03-01 | 武汉宇隆光电科技有限公司 | PCBA circuit board multinomial function test device |
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