CN211789638U

CN211789638U - Multipurpose switching device

Info

Publication number: CN211789638U
Application number: CN202020547723.4U
Authority: CN
Inventors: 梁振华; 童雨舟; 周利; 王恒昌
Original assignee: Harbin Ship Optoelectronics Wuhan Co ltd
Current assignee: Harbin Ship Optoelectronics Wuhan Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-10-27
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a multipurpose switching device, which is used for switching FPC and comprises a first clamping piece and a second clamping piece which are arranged side by side, wherein the first clamping piece and the second clamping piece are detachably connected; a T-shaped adapter is fixedly arranged on one surface, close to the first clamping piece, of the second clamping piece, and comprises a first interface, a second interface and a third interface which are electrically communicated with each other, the first interface and the second interface are arranged in parallel with the second clamping piece, and the third interface is arranged perpendicular to the second clamping piece; a through hole is formed in the first clamping piece, and a third interface of the T-shaped adapter penetrates through the through hole. The utility model discloses a can reach and carry out accurate butt joint and effective fixed purpose with FPC, effectively prevent the exposed electrical property and the safety problem that cause of pad, the third interface has increased circuit connection's mode, still can regard as detection interface connection check out test set to carry out tests such as electrical property to the circuit.

Description

Multipurpose switching device

Technical Field

The utility model relates to a circuit switching technical field, concretely relates to multipurpose switching device.

Background

At present, the wire outlet mode of the electrical control of the display terminal is to weld a switching port at one end of a Flexible Printed Circuit (FPC) switching base on a Printed Circuit board of the display terminal, and connect an electrical part of the liquid crystal module with an electrical control part of a main board through the FPC switching base. The wire outgoing mode cannot accurately control the positioning of the FPC when the FPC is inserted into the adapter, and the fixing strength of the connection part is weak; part of the FPC bonding pad is exposed outside, has poor requirements on electrical performance and safety specification and is easy to oxidize; the limited problem that causes difficult detection in the wiring port quantity.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem who exists among the prior art, provide a multipurpose switching device, when mainly solving current switching seat and connecting FPC, the location is inaccurate between FPC and the switching seat, is connected weak, the pad exposes to and because the limited difficult problem that detects that causes of interface quantity.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a multipurpose switching device is used for switching an FPC and comprises a first clamping piece and a second clamping piece which are arranged side by side, wherein the first clamping piece and the second clamping piece are detachably connected; a T-shaped adapter is fixedly arranged on one surface, close to the first clamping piece, of the second clamping piece, and comprises a first interface, a second interface and a third interface which are electrically communicated with each other, the first interface and the second interface are arranged in parallel with the second clamping piece, and the third interface is arranged perpendicular to the second clamping piece; a through hole is formed in the first clamping piece, and a third interface of the T-shaped adapter penetrates through the through hole.

The utility model has the advantages that: before the FPC is connected, the joint between the first clamping piece and the second clamping piece is detached and loosened, then the first interfaces 41 and the second interfaces 42 on the two FPCs and the second clamping piece are respectively butted, and then the joint between the first clamping piece and the second clamping piece is reinforced, so that the aims of accurately butting and effectively fixing the FPCs are fulfilled. Because the first clamping piece and the second clamping piece can protect the connection parts of the FPC, the first interface 41 and the second interface 42 in the clamping surface, the electrical performance and safety problems caused by the exposed welding pads are effectively prevented. The first interface and the second interface of the T-shaped adapter interface can complete the connection between two FPCs, and the third interface can be used for electrically connecting the third FPC with the first two FPCs, so that a circuit connection mode is increased; the third interface can also be used as a detection interface connection detection device for testing the electrical performance and the like of the circuit on the premise of not disconnecting the FPC of the first interface and/or the FPC of the second interface.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, still be equipped with first logical groove on the second holder, first logical groove is the rectangle, first interface with the second interface sets up first logical inslot, first interface with the second interface is parallel first logical groove sets up, and moves towards respectively the both ends in first logical groove, the third interface is perpendicular first logical groove sets up. The arrangement of the first through groove further prevents the bonding pad from being exposed when positioning is provided for the FPC, and the electrical performance and safety problems caused by the exposure of the bonding pad are reduced.

Further, the width of the first through groove is the same as the width of the FPC, and the depth of the first through groove is not larger than the height of the FPC. The width of the first through groove is the same as that of the FPC, so that the FPC is more accurately positioned when being inserted into the first interface and the second interface, and the FPC is prevented from shifting during insertion; the degree of depth in first logical groove is not more than FPC's height for first holder and second holder mutually support and carry out effectual fixed with FPC.

Furthermore, a second through groove is formed in one surface, close to the second clamping piece, of the first clamping piece, the second through groove is rectangular, the position of the second through groove corresponds to that of the first through groove, the width of the second through groove is the same as that of the first through groove, and the sum of the depth of the second through groove and the depth of the first through groove is not larger than the height of the FPC. The second through groove is matched with the first through groove, so that the FPC is more reliably fixed between the first clamping piece and the second clamping piece, and the first clamping piece and the second clamping piece are tightly matched with each other, thereby avoiding the exposure of a bonding pad at an interface, preventing the electrical performance and safety problems caused by the exposure of the bonding pad, and simultaneously effectively preventing the oxidation of the bonding pad.

Furthermore, corresponding first threaded holes are formed in the first clamping piece and the second clamping piece, first screws are arranged in the first threaded holes, and the first clamping piece is matched with the second clamping piece through the first screws. The first threaded hole is not interfered with the first through groove and the second through groove respectively. When the first screw is screwed down, the connection between the first clamping piece and the second clamping piece tends to be tight, and the FPC is effectively clamped and fixed.

Further, a third clamping piece is arranged on the periphery of the third interface, the third clamping piece is provided with an accommodating cavity with two open ends, and the third interface is arranged in the accommodating cavity; the bottom end opening of the third clamping piece is fixedly arranged on the second clamping piece, the top end opening of the third clamping piece penetrates through the through hole in the first clamping piece and extends outwards, and the third clamping piece is not interfered with the first interface and the second interface; and a second threaded hole is formed in the top end of the third clamping piece and is perpendicular to the FPC, and a second screw is arranged in the second threaded hole. The third interface can be used as an expanded FPC interface and also can be used as a detection interface to be connected with detection equipment. The third clamping piece is used for fixing the FPC or the detection probe on the third interface, and when the second screw is screwed down, the FPC or the detection probe on the third interface can be further fixed. The third clip may also provide protection for the pads of the third interface.

Further, the second screw is a flat head screw, and a plastic flat head screw is preferably used. When the flat head screw is screwed down, the FPC or the test probe of the detection device is effectively fixed in the third interface, so that the connection reliability and firmness are improved. Preferably, a plastic flat head screw is used to prevent the FPC or the test probe of the detection device at the third interface from being damaged when the FPC or the test probe is pressed tightly.

Further, the top of third holder still is equipped with the third and leads to the groove, the third is led to the groove and is parallel FPC sets up. The third leads to the setting of groove, has increased the space that compresses tightly and release of third holder for the connection of outside components and parts and third interface is convenient more and reliable.

Drawings

FIG. 1 is an assembly view of the present invention;

FIG. 2 is a schematic view of the present invention showing the structure thereof;

FIG. 3 is a schematic structural view of a second clamping member of the present invention;

fig. 4 is a schematic structural view of the first clamping member of the present invention after being turned over;

FIG. 5 is a schematic structural view of a third clamping member of the present invention;

fig. 6 is a schematic view of the FPC connection end of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the clamping device comprises a first clamping piece, 11, a through hole, 12, a second through groove, 2, a second clamping piece, 21, a first through groove, 3, a third clamping piece, 31, a third through groove, 4, a T-shaped adapter interface, 41, a first interface, 42, a second interface, 43, a third interface, 5, a first threaded hole, 51, a first screw, 6, a second threaded hole, 61 and a second screw;

w, FPC, W1, width of the first through slot, W2, width of the second through slot, height H, FPC, H1, depth of the first through slot, H2, depth of the second through slot.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

The multipurpose switching device shown in fig. 1-2 is used for switching an FPC, and comprises a first clamping piece 1 and a second clamping piece 2 which are arranged side by side, wherein the first clamping piece 1 and the second clamping piece 2 are detachably connected; a T-shaped adapter 4 is fixedly arranged on one surface, close to the first clamping member 1, of the second clamping member 2, the T-shaped adapter 4 comprises a first interface 41, a second interface 42 and a third interface 43 which are electrically communicated with each other, the first interface 41 and the second interface 42 are both arranged in parallel to the second clamping member 2, and the third interface 43 is arranged perpendicular to the second clamping member 2; a through hole 11 is formed in the first clamping piece 1, and a third interface 43 of the T-shaped adapter 4 penetrates through the through hole 11.

One ends of the first interface 41, the second interface 42 and the third interface 43 of the T-shaped adapter 4 are connected with each other and electrically connected; the other ends of the two ends are arranged in a T shape and are respectively used for electrically connecting with an FPC or a detection probe of detection equipment. Specifically, the first port 41 and the second port 42 are coaxially and oppositely disposed, and the third port 43 is respectively disposed perpendicular to the first port 41 and the second port 42. The first clamping piece 1 and the second clamping piece 2 are both made of insulating materials, and a PCB with the fire rating of V-0 is preferably used.

On the basis of the above technical solution, the present embodiment can be further improved as follows.

As shown in fig. 3, a first through groove 21 is further disposed on the second clamping member 2, the first through groove 21 is rectangular, the first interface 41 and the second interface 42 are disposed in the first through groove 21, the first interface 41 and the second interface 42 are parallel to the first through groove 21 and respectively face two ends of the first through groove 21, and the third interface 43 is perpendicular to the first through groove 21. The arrangement of the first through groove 21 can further prevent the bonding pad from being exposed while positioning is provided for the FPC, and the electrical performance and safety problems caused by the exposure of the bonding pad are reduced.

As shown in fig. 3 and 6, a width W1 of the first through groove is the same as a width W of the FPC, and a depth H1 of the first through groove is not greater than a height H of the FPC. The width W1 of the first through groove is the same as the width W of the FPC, so that the FPC is more accurately positioned when being plugged into the first interface 41 and the second interface 42, and the FPC is prevented from shifting during plugging; the depth H1 of the first through groove is not larger than the height H of the FPC, so that the first clamping piece 1 and the second clamping piece 2 are mutually matched to effectively fix the FPC.

As shown in fig. 4 and 6, a second through groove 12 is disposed on a surface of the first clamping member 1 close to the second clamping member 2, the second through groove 12 is rectangular, the position of the second through groove 12 corresponds to the first through groove 21, the width W2 of the second through groove is the same as the width W1 of the first through groove, and the sum of the depth H2 of the second through groove and the depth H1 of the first through groove is not greater than the height H of the FPC. The second through grooves 12 are matched with the first through grooves 21, so that the FPC is reliably fixed between the first clamping piece 1 and the second clamping piece 2, and the first clamping piece 1 and the second clamping piece 2 are tightly matched with each other, so that a bonding pad at an interface is prevented from being exposed, the electrical performance and safety problems caused by the exposure of the bonding pad are prevented, and meanwhile, the oxidation of the bonding pad is effectively prevented.

As shown in fig. 2, the first clamping member 1 and the second clamping member 2 are respectively provided with a corresponding first threaded hole 5, a first screw 51 is arranged in the first threaded hole 5, and the first clamping member 1 and the second clamping member 2 are matched through the first screw 51. The first threaded hole 5 and the first through groove 21 and the second through groove 12 do not interfere with each other. When the first screw 51 is tightened, the connection between the first clamping member 1 and the second clamping member 2 tends to be tight, and the FPC is effectively clamped and fixed.

As shown in fig. 2, 3 and 5, a third clamping member 3 is disposed on an outer periphery of the third interface 43, the third clamping member 3 has an accommodating cavity with two open ends, and the third interface 43 is disposed in the accommodating cavity; the bottom end opening of the third clamping member 3 is fixedly arranged on the second clamping member 2, the top end opening of the third clamping member 3 penetrates through the through hole 11 on the first clamping member 1 and extends outwards, and the third clamping member 3 is not interfered with the first interface 41 and the second interface 42; be equipped with second screw hole 6 on the top of third holder 3, second screw hole 6 is perpendicular FPC sets up, be equipped with second screw 61 in the second screw hole 6. The third interface 43 may be used as an extended FPC interface, or may be connected to the detection device as a detection interface. The third clamping member 3 is used to provide a fixing for the FPC or the inspection probe on the third interface 43, and when the second screw 61 is tightened, the FPC or the inspection probe on the third interface 43 can be further fixed. The third clip 3 may also provide protection for the pads of the third interface 43.

Further, the second screw 61 is a flat head screw, preferably a plastic flat head screw. When the flat head screw is screwed down, the FPC or the test probe of the detection device is effectively fixed in the third interface 43, so that the reliability and the firmness of connection are improved. Preferably, a plastic grub screw is used to prevent damage to the FPC at the third interface 43 or to the test probe of the test device when it is pressed.

As shown in fig. 5, a third through groove 31 is further formed at the top end of the third clamping member 3, and the third through groove 31 is parallel to the FPC. The third through groove 31 increases the space for compressing and releasing the third clamping member 3, so that the connection between the external component and the third interface 43 is more convenient and reliable.

The working principle is as follows:

before connecting the FPC, first screws 51 at the connecting part between the first clamping piece 1 and the second clamping piece 2 are detached and loosened, so that enough space is reserved between the first clamping piece 1 and the second clamping piece 2; then, the two FPCs are respectively butted with the first interface 41 and the second interface 42 on the second clamping piece 2, the two FPCs are fixed in the first through groove 21, and then the first screw 51 at the joint of the first clamping piece 1 and the second clamping piece 2 is screwed up and reinforced, so that the aims of accurately butting and effectively fixing the FPCs are fulfilled. Because the first clamping piece 1 and the second clamping piece 2 can protect the connection parts of the FPC, the first interface 41 and the second interface 42 in the clamping surface, and because the size and the position between the first through groove 21 and the second through groove 12 are matched with each other, the problems of electrical performance and safety caused by the exposed bonding pad inside the adapter device are effectively prevented. The T-shaped adapter interface 4 is adopted, the first interface 41 and the second interface 42 can complete the connection between two FPCs, the third interface 43 can be used for electrically connecting the third FPC with the first two FPCs, and a circuit connection mode is increased; the third interface 43 can also be used as a detection interface connection detection device for testing the electrical performance of the circuit without disconnecting the FPC of the first interface 41 and/or the FPC of the second interface 42. After the FPC or the detection probe is inserted and fixed with the third interface 43, the second screw 61 on the third clamping member 3 is screwed, and the second screw 61 firmly presses the FPC or the detection probe on the third interface 43. The third clamping piece 3 at the third interface 43 is arranged, so that the connection reliability of the FPC or the detection probe at the third interface 43 is improved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A multipurpose switching device is used for switching FPC and is characterized by comprising a first clamping piece (1) and a second clamping piece (2) which are arranged side by side, wherein the first clamping piece (1) and the second clamping piece (2) are detachably connected; a T-shaped adapter (4) is fixedly arranged on one surface, close to the first clamping piece (1), of the second clamping piece (2), the T-shaped adapter (4) comprises a first interface (41), a second interface (42) and a third interface (43) which are electrically communicated with each other, the first interface (41) and the second interface (42) are arranged in parallel to the second clamping piece (2), and the third interface (43) is arranged perpendicular to the second clamping piece (2); a through hole (11) is formed in the first clamping piece (1), and a third interface (43) of the T-shaped adapter (4) penetrates through the through hole (11).

2. A multipurpose switching device according to claim 1, wherein a first through groove (21) is further formed on the second clamping member (2), the first through groove (21) is rectangular, the first interface (41) and the second interface (42) are disposed in the first through groove (21), the first interface (41) and the second interface (42) are disposed in parallel with the first through groove (21), and the third interface (43) is disposed perpendicular to the first through groove (21).

3. The multipurpose adapter device of claim 2, wherein the width (W1) of the first through slot is the same as the width (W) of the FPC, and the depth (H1) of the first through slot is not greater than the height (H) of the FPC.

4. A multipurpose switching device according to claim 2, wherein a second through groove (12) is provided on a face of the first clamping member (1) adjacent to the second clamping member (2), the second through groove (12) is rectangular, the position of the second through groove (12) corresponds to the position of the first through groove (21), the width (W2) of the second through groove is the same as the width (W1) of the first through groove, and the sum of the depth (H2) of the second through groove and the depth (H1) of the first through groove is not more than the height (H) of the FPC.

5. A multipurpose switching device according to claim 1, wherein the first clamping member (1) and the second clamping member (2) are respectively provided with a corresponding first threaded hole (5), a first screw (51) is arranged in the first threaded hole (5), and the first clamping member (1) and the second clamping member (2) are matched through the first screw (51).

6. A multipurpose switching device according to claim 1, wherein a third clamping member (3) is provided on the third interface (43), the third clamping member (3) has a receiving cavity with two open ends, and the third interface (43) is provided in the receiving cavity; the bottom end opening of the third clamping piece (3) is fixedly arranged on the second clamping piece (2), the top end opening of the third clamping piece (3) penetrates through the through hole (11) in the first clamping piece (1) and extends outwards, and the third clamping piece (3) is not interfered with the first interface (41) and the second interface (42); and a second threaded hole (6) is formed in the top end of the third clamping piece (3), the second threaded hole (6) is perpendicular to the FPC, and a second screw (61) is arranged in the second threaded hole (6).

7. A multipurpose adaptor device according to claim 6, characterised in that the second screw (61) is a grub screw.

8. A multipurpose switching device according to claim 6, wherein the top end of the third clamping member (3) is further provided with a third through groove (31), and the third through groove (31) is arranged in parallel with the FPC.