CN212786494U

CN212786494U - Double pin LCD screen installation locating component

Info

Publication number: CN212786494U
Application number: CN202021279642.7U
Authority: CN
Inventors: 李燕雨; 庄翌; 刘瑞瑞
Original assignee: Hubei Insoure Electronics Co ltd
Current assignee: Hubei Insoure Electronics Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-03-23
Anticipated expiration: 2030-07-02

Abstract

A double-row PIN liquid crystal display screen mounting and positioning assembly belongs to the technical field of automobile spare and accessory part manufacturing, and comprises a PIN guide jig for guiding a PIN to be inserted into a PCB; the base is provided with a first positioning part matched with the PCB and a second positioning part matched with the pin guide jig; the PIN is guided by a PIN guide jig arranged on the second positioning part to be inserted into the PCB arranged in the first positioning part to realize positioning and installation; the utility model has simple and reasonable structure design and convenient operation and use, effectively solves the problem of inconvenient installation due to multiple PIN feet, ensures the quick and stable installation operation of the liquid crystal screen and the PCB, and lightens the labor intensity of workers; the assembling is convenient and fast, the efficiency is high, the product assembling quality is improved, the quality stability of the product is enhanced, and the production and manufacturing cost is reduced.

Description

Double pin LCD screen installation locating component

Technical Field

The utility model belongs to the technical field of the automobile spare and accessory part is made, a double many pins LCD screen installation locating component among the concretely relates to automobile combined instrument.

Background

In many electronic products, the application of the liquid crystal display is more and more concerned, and particularly in the automobile combination instrument, the liquid crystal display is more and more popular.

At present, a liquid crystal display in an automobile instrument is a double-row multi-PIN LCD screen to display various state information of a vehicle, wherein PINs are equal to PIN PINs described below, and more or less PIN PINs of the liquid crystal display are provided, and particularly, when the number of the PIN PINs is large, the PIN PINs may exceed 80 PIN.

Most manufacturers for manufacturing display screens use a copper tinning process when manufacturing PIN feet, and the processed PIN feet are generally longer and can reach 2-3cm in length; because the PIN foot of LCD screen needs to insert the via hole of PCB board when installing the LCD screen, the length overlength will have porous counterpoint inaccurate, PIN foot atress warp scheduling problem, brings very big degree of difficulty and hidden danger for the installation quality of packaging efficiency and product.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above problem, provided one kind can be with the quick, stable equipment of double many pins LCD screen to the device of PCB via hole to seek the purpose that reaches improvement machining efficiency.

The utility model provides a technical scheme as follows:

a double-row PIN liquid crystal display screen mounting and positioning assembly comprises a PIN guide jig for guiding a PIN of a liquid crystal display screen to be inserted into a PCB; the base is provided with a first positioning part matched with the PCB and a second positioning part matched with the pin guide jig;

and the PIN is guided by a PIN guide jig arranged on the second positioning part to be inserted into the PCB arranged in the first positioning part to realize positioning and installation.

Furthermore, the pin guide jig comprises a frame body and guide grooves arranged in the frame body, wherein first limiting blocks are respectively arranged on the upper planes of the four corners of the frame body, and the four first limiting blocks jointly form an accommodating cavity capable of accommodating the liquid crystal screen; when the liquid crystal display is arranged in the containing cavity, the PIN foot is arranged in the guide groove.

Furthermore, the pin guide jig comprises a first jig and a second jig, the guide grooves are respectively formed in the first jig and the second jig, and the first jig and the second jig are detachably fixed.

Furthermore, the first jig and the second jig are both provided with a bump for positioning; the four corners of the base are provided with second limiting blocks, and the four second limiting blocks jointly form the second positioning part; the second positioning part limits the bump to limit the pin guide jig.

Further, the first positioning portion is a groove formed in the base, and the size of the PCB is matched with that of the groove.

Furthermore, bulges used for completely positioning the PCB are arranged in the grooves, and the quantity of the bulges is the same as that of the positioning holes in the PCB.

Furthermore, the opening edge of recess is equipped with the casting die that is used for preventing the PCB board warpage, the rotatable fixing of casting die is in on the base.

The beneficial effect that adopts this technical scheme to reach does:

the utility model has simple and reasonable structure design and convenient operation and use, effectively solves the problem of inconvenient installation due to multiple PIN feet, ensures the quick and stable installation operation of the liquid crystal screen and the PCB, and lightens the labor intensity of workers; the assembling is convenient and fast, the efficiency is high, the product assembling quality is improved, the quality stability of the product is enhanced, and the production and manufacturing cost is reduced.

Drawings

Fig. 1 is an exploded view of the present positioning assembly.

Fig. 2 is a partial structure view of the lead guiding jig.

Fig. 3 is a partial enlarged view of fig. 1, showing a split type pin guiding jig structure.

Fig. 4 is an operating state diagram of the installation positioning assembly.

Wherein: 10 LCD screen, 11PIN foot, 20 PIN guide tool, 21 framework, 22 guide grooves, 23 first stopper, 24 lugs, 25 first tool, 26 second tool, 27 linear hasp, 30PCB board, 40 base, 41 first location portion, 42 second location portion, 43 arch, 44 casting die, 200 hold the chamber.

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.

This embodiment provides a double PIN LCD screen installation locating component, refer to fig. 1, fig. 2, included PIN guide tool 20 in this subassembly, this PIN guide tool 20 is arranged in the PIN foot 11 of guide LCD screen inserts PCB board 30, avoids because partial PIN foot 11 warp and leads to the condition emergence inaccurate in hole.

Still included in this subassembly base 40, base 40 plays stable effect, all places LCD screen 10, pin guide tool 20 and PCB board 30 and carries out the installation location on base 40 to guarantee the stability and the smoothness nature of whole operation.

Specifically, the base 40 is provided with a first positioning portion 41 matched with the PCB 30 and a second positioning portion 42 matched with the pin guiding jig 20; the PCB 30 is placed on the base 40 substantially in the first positioning portion 41 on the base 40; the lead guiding jig 20 is placed on the base 40 substantially in the second positioning portion 42 of the base 40.

In operation, the PCB 30 should be placed in the first positioning portion 41, the PIN guiding jig 20 should be placed in the second positioning portion 42, and the liquid crystal display 10 should be taken out, and the PIN 11 should be inserted into the hole of the PCB 30 along the guiding of the PIN guiding jig 20.

The PIN guide jig 20 is an important component in this embodiment, the PIN guide jig 20 includes a frame 21 and guide grooves 22 formed in the frame 21, the guide grooves 22 are a key for guiding the PIN 11 to be inserted into the hole of the PCB 30, the guide grooves 22 are vertically arranged, the number of the guide grooves 22 should be no less than the number of the PIN 11, because the number of the PIN 11 on different types of liquid crystal screens 10 is different as much as possible, a plurality of guide grooves 22 should be formed in order to satisfy different liquid crystal screens 10 as much as possible.

In one embodiment of the present disclosure, the number of the PIN legs 11 of the liquid crystal panel 10 is forty, and the number of the designed guide grooves 22 corresponds to the number of the PIN legs 11, that is, forty is the same.

Certainly, when the PIN 11 on the liquid crystal screen 10 is guided and positioned, the stability of the liquid crystal screen 10 and the PIN guiding jig 20 should be ensured; specifically, the upper planes at four corners of the frame body 21 are respectively provided with a first limiting block 23, each first limiting block 23 is in an l-shape structure, four first limiting blocks 23 are fixed on the frame body 21 to jointly form a containing cavity 200 capable of containing the liquid crystal screen 10, the size of the containing cavity 200 is the same as that of the liquid crystal screen 10, that is, the liquid crystal screen 10 can be just placed in the containing cavity 200, and when the liquid crystal screen 10 is placed in the containing cavity 200, the PIN 11 on the liquid crystal screen 10 is just placed in the guide groove 22.

Preferably, the frame body 21 is provided with a bump 24 for positioning; four corners of the base 40 are provided with second limiting blocks, and the four second limiting blocks jointly form the second positioning part 42; the second positioning portion 42 defines the bump 24 to define the pin guiding jig 20.

The second positioning portion 42 may be formed by slotting the base 40 to define the pin guide jig 20.

Considering that the PIN guiding jig 20 should be removed after the PIN 11 on the liquid crystal panel 10 is guided to the hole on the PCB 30 for the next step of assembling the liquid crystal panel 10 and the PCB 30, the PIN guiding jig 20 is designed to be a split structure.

In the solution of the present embodiment, referring to fig. 1-4, the pin guiding jig 20 includes a first jig 25 and a second jig 26, the guiding grooves 22 are respectively disposed on the first jig 25 and the second jig 26, and the first jig 25 and the second jig 26 are detachable.

It can be understood that the first jig 25 and the second jig 26 can be assembled together to form the pin guiding jig 20 described above to implement the installation of the liquid crystal screen 10 and the PCB 30, and after the installation of the first jig 25 and the second jig 26 is completed, the first jig 25 and the second jig 26 can be detached, so that the liquid crystal screen 10 and the PCB 30 can perform the next step of assembly.

In one embodiment, the first jig 25 and the second jig 26 are mirror images, which can be understood as separating the pin guiding jig 20 from the middle to form the first jig 25 and the second jig 26, and the positions where the first jig 25 and the second jig 26 are connected are provided with locking posts, and the two locking posts can be fastened by a locking piece 27 in an "M" -shaped structure to realize fixation, so as to form the pin guiding jig 20; when the tool is needed to be disassembled, the locking member 27 is directly taken off from the lock cylinder, so that the first tool 25 can be easily separated from the second tool 26.

In another embodiment, the first fixture 25 and the second fixture 26 can be detachably connected by using a snap lock, for example, a bolt seat is installed on the first fixture 25, a lock body is installed on the second fixture 26, and a snap on the lock body is matched with a lock groove on the bolt seat to lock the first fixture 25 and the second fixture 26; when the buckle needs to be disassembled, the buckle is taken out from the lock groove on the lock tongue seat.

In one embodiment of the present disclosure, the PCB 30 is defined in a slotted manner, that is, the first positioning portion 41 is a groove provided on the base 40, and the groove is matched with the size of the PCB 30, where the matching is slightly larger than the size of the PCB 30, so as to smoothly place the PCB 30 into the groove.

Of course, in order to further define the PCB 30, a protrusion 43 is provided in the groove, the protrusion 43 is equivalent to the positioning pin, and the number of the protrusions 43 is the same as that of the positioning holes on the PCB 30, i.e. one protrusion 43 corresponds to each positioning hole on the PCB 30, so as to achieve the complete positioning of the PCB 30.

Preferably, considering that there may be a raised edge after the positioning and installation of the partial PCB 30, a pressing member 44 is disposed at the first positioning portion 41, i.e. the opening edge of the groove, the pressing member 44 is rotatably fixed on the base 40, the pressing member 44 is used to prevent the PCB from being raised, the pressing member 44 is preferably disposed along the circumference of the groove, and in the embodiment of the present embodiment, four pressing members 44 are disposed.

The above is only the preferred embodiment of the present invention, and the present invention is not limited to the above, and how to operate the present invention is further described below:

in the operation process, the first step: firstly, the PCB 30 is placed in the first positioning part 41 (namely the groove) on the base 40, the bulge 43 is penetrated into the positioning hole on the PCB 30 correspondingly to ensure that the PCB 30 is placed stably, and then the pressing piece 44 is rotated to press the pressing piece 44 on the surface of the PCB 30 to ensure that the pressing piece 44 is fixed and cannot be loosened;

the second step is that: placing the pin guiding jig 20 into the second positioning portion 42;

the third step: aligning the PIN 11 on the liquid crystal screen 10 with the guide slot 22 in the PIN guide jig 20, and slowly placing the PIN 11 along the guide slot 22 so that the PIN 11 is slowly inserted into the hole site on the PCB 30, and when the liquid crystal screen 10 is completely positioned in the accommodating cavity 200 on the PIN guide jig 20, the liquid crystal screen 10 is installed in place;

a fourth step of: the two linear latches 27 connecting the first jig 25 and the second jig 26 are opened to separate the pin guide jig 20, and the pin guide jig 20 is taken out, at which time the installation of the liquid crystal panel 10 is completed.

Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a double pin LCD screen installation locating component which characterized in that: comprises that

The PIN guide jig (20) is used for guiding the PIN (11) of the liquid crystal display (10) to be inserted into the PCB (30); and

the base (40) is provided with a first positioning part (41) matched with the PCB (30) and a second positioning part (42) matched with the pin guide jig (20);

the PIN (11) is inserted into a PCB (30) arranged in the first positioning part (41) through a PIN guide jig (20) arranged on the second positioning part (42) to realize positioning and installation.

2. The double-row pin liquid crystal display screen installing and positioning component as claimed in claim 1, wherein: the pin guide jig (20) comprises a frame body (21) and guide grooves (22) arranged in the frame body (21), wherein the upper planes of four corners of the frame body (21) are respectively provided with a first limiting block (23), and the four first limiting blocks (23) jointly form an accommodating cavity (200) capable of accommodating the liquid crystal screen (10); when the liquid crystal screen (10) is arranged in the accommodating cavity (200), the PIN (personal identification number) foot (11) is arranged in the guide groove (22).

3. The double-row pin liquid crystal display screen installing and positioning component as claimed in claim 2, wherein: the pin guide jig (20) comprises a first jig (25) and a second jig (26), the guide grooves (22) are respectively formed in the first jig (25) and the second jig (26), and the first jig (25) and the second jig (26) are detachably fixed.

4. The double-row pin liquid crystal display screen installing and positioning component as claimed in claim 3, wherein: the first jig (25) and the second jig (26) are respectively provided with a bump (24) for positioning; four corners of the base (40) are provided with second limiting blocks, and the four second limiting blocks jointly form the second positioning part (42); the second locating portion (42) defines the bump (24) to define the pin guide jig (20).

5. The double row pin LCD panel mounting and positioning assembly of any one of claims 1 to 4, wherein: the first positioning part (41) is a groove arranged on the base (40), and the groove is matched with the size of the PCB (30).

6. The double-row pin liquid crystal display screen installing and positioning component as claimed in claim 5, wherein: the groove is internally provided with protrusions (43) used for completely positioning the PCB (30), and the number of the protrusions (43) is the same as that of the positioning holes in the PCB (30).

7. The double-row pin liquid crystal display screen installing and positioning component as claimed in claim 6, wherein: a pressing piece (44) used for preventing the PCB (30) from warping is arranged at the edge of an opening of the groove, and the pressing piece (44) is rotationally fixed on the base (40).