CN215528028U - 1 drags 4 extensible serial ports based on WK2114 - Google Patents

Abstract

The utility model belongs to the technical field of expansion ports, and particularly relates to a 1-to-4 expandable serial port based on WK2114, which comprises a shell, wherein four connecting cylinders which are uniformly distributed are fixedly connected inside the shell, a connecting port is clamped inside the connecting cylinders, a limiting plate is fixedly connected outside the connecting port, two fixed cylinders which are symmetrically distributed are fixedly sleeved inside the connecting cylinders, arc blocks are slidably connected inside the fixed cylinders, the outer sides of the arc blocks are clamped with the outer sides of the limiting plate, a first spring is arranged inside the fixed cylinders, a clamping groove is formed inside the shell, and an end cover is hinged to the right end of the shell. The connecting cylinder, the fixing cylinder, the arc block and other structures are additionally arranged in the shell and matched with the limiting plate on the outer side of the connecting port, so that the connecting port is clamped in the connecting cylinder, and the connecting port can be independently replaced after being damaged, and the use cost can be reduced.

Description

1 drags 4 extensible serial ports based on WK2114

Technical Field

The utility model relates to the technical field of expansion ports, in particular to a 1-to-4 expandable serial port based on WK 2114.

Background

The expansion interface is an interface on the main board for connecting various external devices. Through the expansion interfaces, external devices such as a printer, an external Modem, a scanner, a flash disk, an MP3 player, a DC, a DV, a mobile hard disk, a mobile phone, a tablet and the like can be connected to a computer. Moreover, the interconnection between computers can be realized through the expansion interface.

Extension mouth among the prior art when using, often pull out repeatedly and insert and cause the inside emergence pine of connector to take off easily to cause contact failure, make the device can't use and need change the device, thereby caused use cost's increase, and can produce stirring at the electric current of the in-process circuit board that pulls out repeatedly and insert, cause the damage of circuit board easily, the circuit board after the damage is not convenient for overhaul. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 1-to-4 extensible serial port based on WK2114, and solves the problems that a connecting port cannot be replaced after being loosened and a circuit board is inconvenient to overhaul after being damaged.

In order to achieve the purpose, the utility model provides the following technical scheme: a1-to-4 extensible serial port based on WK2114 comprises a shell, wherein four connecting cylinders which are uniformly distributed are fixedly connected inside the shell, connecting ports are clamped inside the connecting cylinders, limiting plates are fixedly connected outside the connecting ports, two fixed cylinders which are symmetrically distributed are fixedly sleeved inside the connecting cylinders, arc blocks are slidably connected inside the fixed cylinders, the outer sides of the arc blocks are clamped with the outer sides of the limiting plates, a first spring is arranged inside the fixed cylinders, a clamping groove is formed inside the shell, an end cover is hinged to the right end of the shell, a connecting groove is formed inside the end cover, a clamping block is slidably connected inside the connecting groove, a connecting rod is fixedly connected to the lower end of the clamping block, a second spring is arranged inside the connecting groove, the clamping block is clamped with the clamping groove, and a handle is fixedly connected to the outer side of the connecting rod, the handle is connected with the end cover in a sliding mode, one end of the first spring is fixedly connected with the arc block, the other end of the first spring is fixedly connected with the fixed cylinder, a circuit board is arranged inside the shell, and the circuit board is fixedly connected with the connecting cylinder.

Preferably, the inner part of the fixed cylinder is fixedly connected with a limiting ring, and the inner side of the limiting ring is connected with the outer side of the arc block in a sliding manner.

Preferably, one end of the second spring is fixedly connected with the inner surface of the connecting groove, and the other end of the second spring is fixedly connected with the connecting rod.

Preferably, the inside fixedly connected with stop collar of spread groove, the inboard of stop collar with the outside sliding connection of fixture block.

Preferably, the upper end of the end cover is fixedly connected with a rubber sheet, the rubber sheet is in contact connection with the shell, and the clamping block penetrates through the rubber sheet.

Preferably, the lower end of the shell is fixedly connected with two anti-slip strips, and the two anti-slip strips are symmetrically distributed at the lower end of the shell.

Compared with the prior art, the utility model has the following beneficial effects:

1. the connecting cylinder, the fixing cylinder, the arc block and other structures are additionally arranged in the shell and matched with the limiting plate on the outer side of the connecting port, so that the connecting port is clamped in the connecting cylinder, and the connecting port can be independently replaced after being damaged, and the use cost can be reduced.

2. According to the utility model, the end cover, the fixture block, the spring and the like are additionally arranged at the right end of the shell and are mutually matched with the clamping connection in the shell, and the end cover can be detached in a clamping connection mode after the circuit board is damaged, so that the circuit board can be conveniently overhauled.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the connector barrel of FIG. 1 of the present invention;

FIG. 3 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of part B of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a connecting cylinder; 3. a connecting port; 4. a limiting plate; 5. a fixed cylinder; 6. an arc block; 7. a first spring; 8. a limiting ring; 9. a card slot; 10. an end cap; 11. connecting grooves; 12. a clamping block; 13. a connecting rod; 14. a second spring; 15. a rubber sheet; 16. a handle; 17. a limiting sleeve; 18. a circuit board; 19. and (4) an anti-slip strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a 1-4 expandable serial port based on WK2114 comprises a housing 1, four connecting cylinders 2 uniformly distributed are fixedly connected to the inside of the housing 1, a connecting port 3 is clamped inside the connecting cylinders 2, a limiting plate 4 is fixedly connected to the outside of the connecting port 3, two fixed cylinders 5 symmetrically distributed are fixedly sleeved inside the connecting cylinders 2, an arc block 6 is slidably connected to the inside of the fixed cylinder 5, the outside of the arc block 6 is clamped to the outside of the limiting plate 4, a spring i 7 is arranged inside the fixed cylinder 5, a clamping groove 9 is formed inside the housing 1, an end cover 10 is hinged to the right end of the housing 1, a connecting groove 11 is formed inside the end cover 10, a clamping block 12 is slidably connected inside the connecting groove 11, a connecting rod 13 is fixedly connected to the lower end of the clamping block 12, a spring ii 14 is arranged inside the connecting groove 11, the clamping block 12 is clamped to the clamping groove 9, a handle 16 is fixedly connected to the outside the connecting rod 13, the handle 16 is connected with the end cover 10 in a sliding mode, one end of the first spring 7 is fixedly connected with the arc block 6, the other end of the first spring 7 is fixedly connected with the fixed cylinder 5, a circuit board 18 is arranged inside the shell 1, and the circuit board 18 is fixedly connected with the connecting cylinder 2.

Referring to fig. 4, the inner portion of the fixed cylinder 5 is fixedly connected with a limiting ring 8, the inner side of the limiting ring 8 is slidably connected with the outer side of the arc block 6, and the limiting ring 8 can limit the arc block 6.

Referring to fig. 3, one end of the second spring 14 is fixedly connected to the inner surface of the connecting groove 11, the other end of the second spring 14 is fixedly connected to the connecting rod 13, and the second spring 14 can automatically restore the latch 12.

Referring to fig. 3, a limiting sleeve 17 is fixedly connected inside the connecting groove 11, an inner side of the limiting sleeve 17 is slidably connected with an outer side of the clamping block 12, and the limiting sleeve 17 limits the clamping block 12.

Referring to fig. 3, a rubber sheet 15 is fixedly connected to an upper end of the end cap 10, the rubber sheet 15 is in contact connection with the housing 1, the latch 12 penetrates through the rubber sheet 15, and the rubber sheet 15 can prevent dust from entering the housing 1.

Referring to fig. 1, two anti-slip strips 19 are fixedly connected to the lower end of the housing 1, the two anti-slip strips 19 are symmetrically distributed at the lower end of the housing 1, and the anti-slip strips 19 can be prevented from moving when the housing 1 is used.

The specific implementation process of the utility model is as follows: before using, insert connector 3 into connecting cylinder 2's inside, inclined plane promotion arc piece 6 of 4 lower extremes of limiting plate in the male, make arc piece 6 remove and compress spring 7 to the inside of solid fixed cylinder 5, after finishing inserting, arc piece 6 extrudes limiting plate 4 at the lower extreme, thereby can fix connector 3 in the inside of connecting cylinder 2, after connector 3 damages, can extract it and change, thereby can reduce use cost, damage the back at circuit board 18, can drive fixture block 12 of connecting rod 13 upper end through handle 16 and remove, when fixture block 12 breaks away from draw-in groove 9, can overturn end cover 10 downwards, thereby can be convenient maintain circuit board 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A1 drags 4 extensible serial ports based on WK2114, includes casing (1), its characterized in that: the connecting device is characterized in that four connecting cylinders (2) which are uniformly distributed are fixedly connected to the inside of the shell (1), a connecting port (3) is clamped to the inside of each connecting cylinder (2), a limiting plate (4) is fixedly connected to the outer side of each connecting port (3), two fixed cylinders (5) which are symmetrically distributed are fixedly sleeved and fixedly connected to the inside of each connecting cylinder (2), an arc block (6) is connected to the inside of each fixed cylinder (5) in a sliding mode, the outer side of each arc block (6) is clamped to the outer side of each limiting plate (4), a first spring (7) is arranged inside each fixed cylinder (5), a clamping groove (9) is formed in the shell (1), an end cover (10) is hinged to the right end of the shell (1), a connecting groove (11) is formed in the end cover (10), a clamping block (12) is connected to the inside of the connecting groove (11) in a sliding mode, and a connecting rod (13) is fixedly connected to the lower end of the clamping block (12), the inside of spread groove (11) is provided with spring two (14), fixture block (12) with draw-in groove (9) joint, the outside fixedly connected with handle (16) of connecting rod (13), handle (16) with end cover (10) sliding connection, the one end of spring (7) with arc piece (6) fixed connection, the other end of spring (7) with solid fixed cylinder (5) fixed connection, the inside of casing (1) is provided with circuit board (18), circuit board (18) with connecting cylinder (2) fixed connection.

2. The WK 2114-based 1-pull 4 extensible serial port according to claim 1, wherein: the inner part of the fixed cylinder (5) is fixedly connected with a limiting ring (8), and the inner side of the limiting ring (8) is connected with the outer side of the arc block (6) in a sliding manner.

3. The WK 2114-based 1-pull 4 extensible serial port according to claim 1, wherein: one end of the second spring (14) is fixedly connected with the inner surface of the connecting groove (11), and the other end of the second spring (14) is fixedly connected with the connecting rod (13).

4. The WK 2114-based 1-pull 4 extensible serial port according to claim 1, wherein: the inside fixedly connected with stop collar (17) of spread groove (11), the inboard of stop collar (17) with the outside sliding connection of fixture block (12).

5. The WK 2114-based 1-pull 4 extensible serial port according to claim 1, wherein: the upper end of the end cover (10) is fixedly connected with a rubber sheet (15), the rubber sheet (15) is in contact connection with the shell (1), and the clamping block (12) penetrates through the rubber sheet (15).

6. The WK 2114-based 1-pull 4 extensible serial port according to claim 1, wherein: the lower end of the shell (1) is fixedly connected with two anti-slip strips (19), and the two anti-slip strips (19) are symmetrically distributed at the lower end of the shell (1).

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