External CANFD card

Abstract

The utility model relates to the technical field of CANFD cards, in particular to an external CANFD card, which comprises a CANFD card body, two groups of external terminals are symmetrically arranged on two sides of one end of the CANFD card body, the external terminals are electrically connected with the CANFD card body in a clamping manner, a plurality of external interfaces are arranged on one side of the front part of each external terminal in parallel, and pressing type wire connecting pieces are arranged on the inner sides of the external interfaces. According to the external CANFD card, the lead can be connected and positioned or detached and separated at any time without the help of an external tool, so that a quick and convenient connection function is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to CANFD card technical field, and specifically is a kind of external CANFD card. BACKGROUND

[0002] External CANFD card is a kind of hardware equipment for connecting computer with CANFD (Controller Area Network with Flexible Data-Rate) bus. External CANFD card can expand the CANFD communication capability of computer, so that it can exchange data with the device on CANFD bus. Support high-speed CAN and CANFD communication, compatible with CAN2.0A, B protocol, meet a variety of industrial communication needs to provide rich interface form, such as USB, miniPCIe, PCI, etc., it is convenient to connect with different types of computer.

[0003] Therefore, in view of the above problems, the technical scheme provides an external CANFD card. SUMMARY

[0004] The utility model discloses a kind of external CANFD cards to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of external CANFD card, including CANFD card body, CANFD card body one end both sides symmetry is provided with two groups of external terminals, and external terminal and CANFD card body between clamping type electric connection, external terminal front side parallelly arranged is provided with multiple external interfaces, and external interface inboard is provided with press type wire connecting piece, and external wire is inserted into external interface, and it is positioned and connected under the hold of press type wire connecting piece, then through the electric connection between external terminal and CANFD card body, external device and CANFD card body are connected transmission use, press type wire connecting piece includes vertical opening in the top of external terminal lifting channel, and lifting channel bottom end is communicated with external interface, and a group of conducting columns are arranged on the inner wall of external interface located directly below lifting channel, and the top of conducting column is equipped with the wiring station of arc structure, and the pressing wire block of semicircular structure is arranged above wiring station in lifting type, and the wire end on the top of wiring station is fixed by controlling pressing wire block to move up and down, using the arc contact cooperation between pressing wire block and wiring station, pressing wire block top middle part is rotatably connected with a screw rod, and screw rod axis coincides with lifting channel axis, and one internal screw hole is formed in lifting channel inside, and screw rod is screwed through internal screw hole, and the top of screw rod is equipped with the telescopic cylinder of top opening, and a group of lifting rods are arranged in the inside limit of telescopic cylinder, and rotating disc is installed on the top of lifting rod, and rotating disc is set as inverted circular table type structure, and lifting channel top is also set as inverted circular table type groove matched with rotating disc, and one positioning key is installed on the circumferential outer wall of lifting rod, and positioning key is matched with the positioning slide rail formed on the inner wall of telescopic cylinder, and positioning key slides up and down along the inside of positioning slide rail, and the rotation of telescopic cylinder is controlled while keeping the rotation of lifting rod by using the circumferential limit between positioning key and positioning slide rail, i.e. by rotating rotating disc to drive lifting rod to rotate, then the cooperation between the pressing wire block on the bottom of screw rod and wiring station is controlled by screw rod screwing in internal screw hole, and the wire inserted into wiring station is positioned or released by lowering or raising;

[0006] Lifting rod bottom end and telescopic cylinder inner bottom wall are elastically connected with a reset spring, and the automatic reset of lifting rod after losing upward tension is kept by using reset spring, and the stability of lifting rod placed in telescopic cylinder inside is kept;

[0007] The lower part of the rotating disc side wall is provided with a ring of magnets, and the top of the rotating disc is provided with a ring of magnets in the corresponding position of the inverted circular table type groove, when the rotating disc is retracted into the inverted circular table type groove, the stable positioning of the rotating disc is maintained through the magnetic attraction between the ring of magnets and the magnetic metal ring, that is, when the rotating disc is used, it is directly pulled up and rotated, and then the rotation of the screw is controlled to control the distance between the wire pressing block and the wiring table, when not in use, the elastic force of the reset spring and the magnetic attraction between the ring of magnets and the magnetic metal ring are used to stably fit the rotating disc in the inverted circular table type groove, compared with the prior art, the wire can be connected and positioned or disassembled and separated at any time without the help of external tools, and the quick and convenient connection function is realized.

[0008] Compared with the prior art, the beneficial effects of the utility model are: through the mode of rotating the rotating disc, the screw thread lifting in the internal screw hole is matched, so that the wire pressing block and the wiring table are matched, the wire inserted into the external interface is pressed and positioned and connected or released and separated, and the lifting limiting connection between the rotating disc bottom lifting rod and the telescopic cylinder is used to keep the rotating disc capable of descending and fitting with the inverted circular table type groove and rotating up, so that the wire pressing block and the wiring table are controlled to quickly connect and position the external wire at any time without the help of external tools, and the convenience and speed of connection and disassembly of the external CANFD card are greatly improved to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0009] Figure 1 It is a three-dimensional structure schematic diagram of an external CANFD card;

[0010] Figure 2 It is a front view structure schematic diagram of an external CANFD card;

[0011] Figure 3 It is Figure 1 The enlarged structure schematic diagram of A;

[0012] Figure 4 It is Figure 2 The enlarged structure schematic diagram of B;

[0013] Among them: CANFD card body 10, external terminal 12, external interface 13, rotating disc 14, pull ring 15, wiring table 16, conductive column 17, wire pressing block 18, screw 19, internal screw hole 20, telescopic cylinder 21, lifting rod 22, positioning key 23, positioning slide rail 24, reset spring 25, magnet ring 26, magnetic metal ring 27. DETAILED DESCRIPTION

[0014] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0015] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore can not be understood as the limitation to the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0016] In the description of the utility model, it should be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0017] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0018] Please refer to Figures 1-4The utility model provides an external CANFD card, including CANFD card body 10, two groups of external terminals 12 are symmetrically arranged one end of CANFD card body 10, and the external terminals 12 are electrically connected between the clamping of CANFD card body 10, and a plurality of external interfaces 13 are parallelly arranged in the front side of external terminal 12, and press type wire connecting piece is arranged in the inner side of external interface 13, and external equipment is connected with CANFD card body 10 through the electrical connection between external terminal 12 and CANFD card body 10, and the use of transmission, press type wire connecting piece includes the lifting channel vertically arranged in the top of external terminal 12, and the bottom of lifting channel is communicated with external interface 13, and a group of conductive columns 17 are arranged on the inner wall of external interface 13 directly below the lifting channel, and the top of conductive column 17 is installed with the wiring platform 16 of arc structure, and the wiring block 18 of semicircular structure is arranged in lifting mode above the wiring platform 16, and the wire end on the top of wiring platform 16 is fixed by the arc contact cooperation between the wiring block 18 and wiring platform 16 through the up-down movement of the wiring block 18, and the screw rod 19 is rotatably connected in the top middle part of wiring block 18, and the axis of screw rod 19 coincides with the axis of lifting channel, and an internal screw hole 20 is arranged in the inside of lifting channel, and the screw rod 19 is screwed through the internal screw hole 20, and the top opening telescopic cylinder 21 is installed at the top end of screw rod 19, and a group of lifting rods 22 are arranged in the inside of telescopic cylinder 21, and the top end of lifting rod 22 is installed with rotary disc 14, and rotary disc 14 is arranged as inverted circular table type structure, and the top of lifting channel is also arranged as inverted circular table type groove that is mutually matched with rotary disc 14, and a positioning key 23 is installed on the circumferential outer wall of lifting rod 22, and the positioning slide rail 24 is arranged on the inner wall of telescopic cylinder 21 corresponding to positioning key 23, and positioning key 23 slides up and down along the inside of positioning slide rail 24, and the rotation of telescopic cylinder 21 is controlled while the rotation of lifting rod 22 is kept by the circumferential limit between positioning key 23 and positioning slide rail 24, that is, the rotation of lifting rod 22 is driven by the rotation of rotary disc 14, and then the cooperation between the screw rod 19 bottom pressure wiring block 18 and wiring platform 16 is controlled by the screw thread lifting of screw rod 19 in internal screw hole 20, and the wire inserted into wiring platform 16 is positioned or released by lowering or raising;

[0019] In order to prevent the lifting rod 22 from separating upward from the inside of telescopic cylinder 21, a reset spring 25 is elastically connected between the bottom end of lifting rod 22 and the inner bottom wall of telescopic cylinder 21, which keeps the automatic reset of lifting rod 22 after losing upward pulling force and the stability of lifting rod 22 in the inside of telescopic cylinder 21;

[0020] Meanwhile, a circle of magnet rings 26 is arranged at the lower part of the sidewall of the rotating disc 14, and a circle of magnet rings 26 is arranged at the corresponding position of the inverted circular table type groove at the top of the rotating disc 14, when the rotating disc 14 is retracted into the inverted circular table type groove, the stable positioning of the rotating disc 14 is maintained through the magnetic attraction between the magnet rings 26 and the magnetic metal ring 27, that is, when the rotating disc 14 is used, it is directly pulled up and rotated, then the rotation of the screw rod 19 is controlled to control the distance between the wire pressing block 18 and the wiring platform 16, when not in use, the elastic force of the reset spring 25 and the magnetic attraction between the magnet rings 26 and the magnetic metal ring 27 are used to stably adhere the rotating disc 14 in the inverted circular table type groove, compared with the prior art, the wire can be connected and positioned or disassembled and separated at any time without the help of external tools, and the quick and convenient connection function is realized.

[0021] In the embodiment of the application, an insulating layer is wrapped outside the conductive column 17, and a signal transmission wire is arranged inside the conductive column 17, and the signal transmission wire extends to the inner wall of the external interface 13 and is connected to the CANFD card body 10 rearwardly.

[0022] The upper surface of the wiring platform 16 is arranged as a conductive layer, the bottom of which is electrically connected to the signal transmission wire inside the conductive column 17, the bottom of the wire pressing block 18 is provided with an insulating layer for preventing the upward transmission of current, and the side of the bottom of the wire pressing block 18 in contact with the wiring platform 16 is arranged as a corrugated layer for increasing the frictional resistance of the wire pressing.

[0023] In one example of the application, a group of pull rings 15 is installed at the top middle part of the rotating disc 14, generally, the volume of the rotating disc 14 is small, and it is not easy to grasp with the hand, through the convex pull ring 15, the smoothness of manual operation can be increased.

[0024] It should be noted that the parts of the conductive column 17 and the screw rod 19 corresponding to the outside of the external interface 13 are arranged in a closed state, only leaving a space size for external wire insertion, and the closure is not shown in the figure, in order to ensure the accuracy of observation, the above positions will be shielded and closed in actual situation.

[0025] The preferred embodiments of the application are described in detail above, but the application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the application.

Claims

1. An external CANFD card, characterized in that, Including CANFD card body (10), both ends of the CANFD card body (10) are symmetrically provided with two groups of external terminals (12), the external terminals (12) are connected with the CANFD card body (10) in a clamping mode, a plurality of external interfaces (13) are arranged on one side of the front part of the external terminals (12) in a parallel mode, a pressing type wire connecting piece is arranged on the inner side of the external interface (13), the pressing type wire connecting piece comprises a lifting channel vertically arranged on the top of the external terminal (12), the lifting channel is communicated with the external interface (13) at the bottom end, a group of conductive columns (17) are arranged on the inner wall of the external interface (13) directly below the lifting channel, an arc-shaped wiring platform (16) is arranged on the top of the conductive column (17), a semicircular pressing block (18) is arranged above the wiring platform (16) in a lifting mode, a screw rod (19) is rotatably connected to the top middle part of the pressing block (18), the axis of the screw rod (19) is coincided with the axis of the lifting channel, an internal screw hole (20) is arranged in the lifting channel, the screw rod (19) is screwed through the internal screw hole (20), an open-top telescopic cylinder (21) is arranged on the top end of the screw rod (19), a group of lifting rods (22) are arranged in the telescopic cylinder (21) in a limiting mode, a rotating disc (14) is arranged on the top end of the lifting rod (22), the rotating disc (14) is arranged in an inverted circular table type structure, the top of the lifting channel is also arranged as an inverted circular table type groove matched with the rotating disc (14), a positioning key (23) is arranged on the circumferential outer wall of the lifting rod (22), a positioning sliding rail (24) is arranged on the inner wall of the telescopic cylinder (21) corresponding to the positioning key (23), the positioning key (23) slides up and down along the positioning sliding rail (24), a reset spring (25) is elastically connected between the bottom end of the lifting rod (22) and the inner bottom wall of the telescopic cylinder (21), a ring of magnet rings (26) is arranged on the side wall of the rotating disc (14), and a ring of magnet rings (26) is arranged at the corresponding position of the inverted circular table type groove on the top of the rotating disc (14).

2. The external CANFD card according to claim 1, characterized in that, An insulating layer is wrapped on the outer side of the conductive column (17), a signal transmission wire is arranged on the inner side of the conductive column (17), and the signal transmission wire extends to the inner wall of the external interface (13) and is connected with the CANFD card body (10) rearward.

3. The external CANFD card according to claim 2, characterized in that, The upper surface of the wiring platform (16) is arranged as a conductive layer, and the bottom is electrically connected with the signal transmission wire on the inner side of the conductive column (17).

4. The external CANFD card according to claim 3, characterized in that, The bottom of the pressing block (18) is provided with an insulating layer.

5. The external CANFD card according to claim 4, characterized in that, One side of the bottom of the pressing block (18) in contact with the wiring platform (16) is arranged as a corrugated layer.

6. The external CANFD card according to claim 5, characterized in that, A group of pull rings (15) are arranged on the top middle part of the rotating disc (14).

Images