CN114158225A

CN114158225A - PCBA lock attaches protector and electronic product

Info

Publication number: CN114158225A
Application number: CN202111415492.7A
Authority: CN
Inventors: 韦远忠
Original assignee: Inspur Shandong Computer Technology Co Ltd
Current assignee: Inspur Shandong Computer Technology Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-03-08

Abstract

The invention discloses a PCBA lock-attaching protection device and an electronic product, wherein the PCBA lock-attaching protection device comprises: a fixed part; the PCBA board is arranged on the fixing part, and the screw hole of the PCBA board corresponds to the screw hole of the fixing part in position; the protection casing, its cover is located the outside of PCBA board, and the bottom plate of protection casing is equipped with the cylinder that extends to its inside, and the cylinder is equipped with the through-hole with the bottom outside intercommunication of protection casing, and the through-hole corresponds with the screw hole of PCBA board, and the through-hole is used for making the screw penetrate and lock in the PCBA board by the outside of protection casing. The application provides a PCBA lock attaches protector is used for paying the operation in-process at the PCBA lock and forms the protection to components and parts, avoids the electric screwdriver or other locks to pay the instrument and cause the components and parts damage, uses the device can avoid the unnecessary damage, reduce cost, and simple to use is convenient simultaneously, can avoid the problem of the reduction of the yields because of the maloperation leads to.

Description

PCBA lock attaches protector and electronic product

Technical Field

The invention relates to the technical field of electronic product manufacturing, in particular to a PCBA locking and protecting device. In addition, the invention also relates to an electronic product comprising the PCBA locking and protecting device.

Background

In the electronic product manufacturing industry, the PCBA is the most important component of the electronic product and is often the most expensive component of the product, and almost all the assembly processes of the PCBA require screw locking operations, and in the process of carrying out the screw locking of the PCBA, the PCBA often causes the situation that the electronic components are damaged by a collision piece due to improper operation of personnel, so that the manufacturing cost is directly influenced, or the screws fall in a case, so that the product is discontented in use, and even the product is damaged or burnt. Proper protection during the locking operation of the PCBA is therefore highly desirable.

In summary, how to effectively protect the PCBA during the locking operation is a problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of the above, an object of the present invention is to provide a PCBA lock attachment protection device, which can achieve a lock attachment effect on a PCBA and can protect electronic components.

Another object of the present invention is to provide an electronic product including the above PCBA lock attachment prevention device.

In order to achieve the above purpose, the invention provides the following technical scheme:

a PCBA lock attachment guard comprising:

a fixed part;

the PCBA board is arranged on the fixing part, and the screw hole of the PCBA board corresponds to the screw hole of the fixing part in position;

protective housing, its cover is located the outside of PCBA board, protective housing's bottom plate is equipped with the cylinder to its inside extension, the cylinder be equipped with the through hole of protective housing's the bottom outside intercommunication, the through hole with the screw hole of PCBA board corresponds, the through hole be used for making the screw by protective housing's outside penetrates and lock in PCBA board.

Preferably, when the protective housing is buckled outside the PCBA, the end part of the column body is attached to the PCBA.

Preferably, the column comprises:

the through hole formed in the first column corresponds to the screw hole in the PCBA board;

the second cylinder, its setting the through hole with the screw hole of the components and parts that PCBA board set up corresponds, the length of second cylinder is less than the length of first cylinder.

Preferably, the end of the first column is attached to the PCBA board, and/or the end of the second column is attached to the surface of the corresponding component, so that the screw is retained in the through hole.

Preferably, a plurality of the first columns are sequentially arranged along the circumferential direction of the edge of the bottom surface of the protective shell.

Preferably, the component includes a heat sink, the second cylinder corresponds to the periphery of the heat sink, and the difference between the length of the second cylinder and the length of the first cylinder is the thickness of the heat sink.

Preferably, one end of the through hole, which is positioned outside the bottom of the protective shell, is provided with a end counter bore.

Preferably, the shield case is the same size as the PCBA.

Preferably, the protective shell is an antistatic protective shell.

An electronic product comprising the PCBA lock attachment guard of any of the above.

The application provides a PCBA lock attaches protector is used for paying the operation in-process at the PCBA lock and forms the protection to components and parts, avoids the electricity to criticize or other locks and pays the instrument and cause the components and parts damage, uses the device can avoid the unnecessary damage, reduce cost, and simple to use is convenient simultaneously, can avoid the reduction of the yields because of the maloperation leads to.

The application also provides an electronic product comprising the PCBA locking and protecting device.

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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a perspective view of a PCBA lock attachment guard provided in the present invention;

FIG. 2 is a schematic view of a PCBA lock attachment guard provided in the present invention prior to installation;

FIG. 3 is an internal schematic view of a protective housing provided in accordance with the present invention;

fig. 4 is an external schematic view of the protective housing provided in the present invention.

In fig. 1-4, the reference numerals include:

the heat dissipation device comprises a case 1, a PCBA board 2, a protective shell 3, a first column 4, a second column 5, a counter bore at the end part 6 and a radiator 7.

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.

The core of the invention is to provide a PCBA locking protection device which can realize the locking effect on the PCBA and can protect electronic components.

Another core of the present invention is to provide an electronic product including the above PCBA lock attachment prevention device.

Referring to fig. 1 to 4, fig. 1 is a perspective view of a PCBA lock attachment guard provided in the present invention; FIG. 2 is a schematic view of a PCBA lock attachment guard provided in the present invention prior to installation; FIG. 3 is an internal schematic view of a protective housing provided in accordance with the present invention; fig. 4 is an external schematic view of the protective housing provided in the present invention.

The application provides PCBA lock attaches protector, includes:

a fixed part;

the PCBA board 2 is arranged on the fixed part, and the screw hole of the PCBA board 2 corresponds to the screw hole of the fixed part;

the protection casing 3, its cover is located the outside of PCBA board 2, and the bottom plate of protection casing 3 is equipped with the cylinder that extends to its inside, and the cylinder is equipped with the through-hole with the bottom outside intercommunication of protection casing 3, and the through-hole corresponds with the screw hole of PCBA board 2, and the through-hole is used for making the screw penetrate and lock in PCBA board 2 by the outside of protection casing 3.

It should be noted that the fixing portion may be specifically the chassis 1 or a fixing structure in the chassis 1, and the fixing portion is provided with a screw hole for fixedly mounting the PCBA board 12.

PCBA board 2 can be placed in the fixed part, perhaps fixes a position on the fixed part through the pre-fixing piece, and at this moment, PCBA board 2's screw hole aligns the setting with the screw hole of fixed part, and the two can be used for penetrating same screw. In general, there are a plurality of screw holes in the PCBA board 2 and a plurality of screw holes in the fixing portion, and the layout of the screw holes and the fixing portion affects the corresponding arrangement, so that the screw holes can strictly correspond to each other.

The protection casing 3 is the casing that has the end to not have the lid, can cover and establish on PCBA board 2, form the protection to PCBA board 2, more importantly is to the protection of its inside components and parts at the attached in-process of screw, specifically, the bottom surface of protection casing 3 is provided with the cylinder, the cylinder extends to the inside of protection casing 3, that is to say, the cylinder is the cylinder that sets up in the concave structure of protection casing 3, and extend along the degree of depth of protection casing 3, be provided with the through hole in the cylinder for pass the screw, and the through hole corresponds the setting with the screw hole on the PCBA board 2. The protective shell 3 is buckled on the PCBA board 2, the bottom of the shell faces upwards, the through hole can be seen from the bottom, and a screw is placed in the through hole. Because the through hole corresponds the setting with the screw hole, therefore the screw can get into PCBA board 2 in the screw hole, can realize PCBA board 2 and fixed part's connection through revolving the screw this moment.

The effect of protective housing 3 is that the PCBA board 2 is established to the cover, and the effect of cylinder is that the screw is placed to inside from the outside of the PCBA board 2 that the cover was equipped with protective housing 3, and the position is accurate, causes the injury to the components and parts on the PCBA board 2 when the screw can be prevented to the wall of cylinder.

On the basis of the above embodiment, when the protection shell 3 is buckled outside the PCBA board 2, the end of the column is attached to the PCBA board 2.

The end of the column refers to an end of the column extending from the bottom surface to the port of the protective housing 3, i.e., an extending end.

When the protective shell 3 is buckled outside the PCBA board 2, the PCBA board 2 can be locked by using screws in the state. In order to guarantee that the screw falls the process and accurately fall into PCBA board 2's screw hole, can with the high setting of cylinder can dock with PCBA board 2 just, perhaps with the butt joint of components and parts on the PCBA board, form the butt joint and support.

The length of the column is adjustable and is related to the structural characteristics of the PCBA board 2 at the position corresponding to the column, and the column needs to be longer to be attached to the PCBA board 2 if the column is at the position of the PCBA board 2, and if the column is provided with components, the height of the column can be appropriately shortened. In this embodiment, the tip and the 2 laminating settings of PCBA board of cylinder to promote the stability that the screw placed the process, and further promote the security that the screw lock paid the process.

The aforesaid includes two kinds of forms with the laminating of PCBA board 2, one kind is laminating PCBA face, and another kind is the components and parts on the laminating PCBA board 2 to form the fixed setting to components and parts through the screw. The cylinder includes a first cylinder 4 and a second cylinder 5.

Wherein, the first column 4 is provided with a through hole, and the through hole is corresponding to the screw hole on the PCBA board 2;

the second cylinder 5 is provided with a through hole, the through hole that sets up corresponds with the screw hole of the components and parts that PCBA board 2 set up, and the length of second cylinder 5 is less than the length of first cylinder 4.

Optionally, the end of the first column 4 is attached to the PCBA board 2, and/or the end of the second column 5 is attached to the surface of the corresponding component, so that the screw is retained in the through hole.

It should be noted that the second column 5 is shorter than the first column 4, but can be attached to and fixed to a corresponding position, and can protect components well.

Optionally, the column of the present application is not limited to place only one screw, and a through hole with a larger diameter may be provided on one column, and one through hole is used to correspond to two screw holes on the PCBA board 2. Considering that the space of the PCBA board 2 is limited, the column body can cause the waste of the space of the PCBA board 2 to a certain extent, but the screw holes are arranged at concentrated positions, and the space of the PCBA board 2 can be obviously saved by the mode.

In order to increase the stability of the screw and avoid the influence of the space on the PCBA board 2 caused by the posts, on the basis of the above embodiment, a plurality of first posts 4 are sequentially arranged along the circumference of the bottom edge of the protective housing 3.

The first posts 4 are intended primarily to hold the PCBA board 2, and therefore, the placement of the first posts on the periphery is a largely stable arrangement, while the periphery of the PCBA board 2 is typically provided with a component-free portion, which also maximizes the use of the structure of the PCBA board 2.

Optionally, in addition, other positions of the PCBA board 2 where no component is provided may be positions where the posts are correspondingly arranged.

On the basis of the above embodiment, the component includes the heat sink 7, the second column 5 is located corresponding to the periphery of the heat sink 7, and the difference between the length of the second column 5 and the length of the first column 4 is the thickness of the heat sink 7.

Taking fig. 1 to 4 as an example, the heat sink 7 is provided on the PCBA board 2, and since the heat sink 7 has a large thickness and needs to be fixed by screws, a plurality of

second posts

5, 4 second posts 5 in this embodiment, are provided on the shield case 3 at positions corresponding to the heat sink 7, and at four corner positions of the heat sink 7, thereby forming a stable mounting. Alternatively, in addition to the heat sink 7, other structures that need to be mounted by screws on the PCBA board 2 may be pre-positioned by abutment of the second posts 5 and then locked by screws.

In order to allow the end of the second column 5 to be attached to the heat sink 7, the difference between the length of the second column 5 and the length of the first column 4 may be the thickness of the heat sink 7.

On the basis of the above-described embodiment, the end of the through-hole located outside the bottom of the protective housing 3 has a counterbore at the end.

Referring to fig. 2 and 4, one end of the through hole, specifically, a counter bore, is visible on the outer side of the bottom of the protective housing 3, that is, an end counter bore 6 communicating with the through hole is disposed on the outer side of the bottom of the protective housing 3, and the main function of the end counter bore 6 is to limit the screw when the screw is locked, so as to prevent the screw from falling onto the chassis due to the inclination of the device or carelessness of an operator.

On the other hand, if a shorter screw is used, the position of the end counter bore 6 can be used as a temporary screw storage position, so that the screw is prevented from rolling on the bottom plane of the protective shell 3; if a longer screw is used, the position of the end counter bore 6 can be used as the head clamping position of the screw,

the edge of the protective housing 3 can be fastened to the fastening part and can be fixedly connected to the fastening part by means of a component.

Alternatively, on the basis of the above embodiment, the shield case 3 has the same size as the PCBA board 2.

The edge of the protective shell 3 can be buckled on the PCBA board 2, and the fixed protective shell 3, the PCBA board 2 and the fixed part are fixedly connected through screws.

In the above-described structure, the PCBA board 2 and the shield case 3 may be integrally fixed to each other without screws. In addition, on the basis of any one of the above embodiments, the screw is further included, and the screw is movably arranged in the through hole. It should be noted that the structure may include a screw, that is, the structure is a product with a screw aligned with the rear end portion as a whole, and the screw may be fixed or detached by an electric screwdriver.

The protection casing 3 that this application provided need be for preventing static protection casing, need have promptly that anti-static material is processed and is formed.

The size of protective housing 3 in this application can correspond with PCBA board 2 to make and play fixed and guard action with PCBA board 2.

The trompil of first cylinder 4 corresponds with the screw hole phase of PCBA board 2, and when the lock attaches the operation, puts the screw in the through-hole of first cylinder 4, uses the electric screwdriver to carry out the lock and attaches the operation, prevents that the electric screwdriver fish tail or bruise from leading to PCBA board 2.

The open hole of the second column body 5 corresponds to the hole site of the radiator 7 or other components, when locking and attaching, a screw is placed in the through hole of the second column body 5, the locking and attaching operation is carried out by using an electric screwdriver, and the components are placed to be scratched or damaged by the electric screwdriver.

When in use, the PCBA board 2 is firstly placed on and fixed on the positioning studs of the fixing part, as shown in figure 1; then, the protection shell 3 is covered on the PCBA board 2 according to the hole position direction, and a prepositioning is formed as shown in figure 2; and thirdly, the screwdriver is used for locking screws, so that the screwdriver cannot cause gun sliding displacement due to errors in the locking process, and the PCBA (printed circuit board assembly) board 2 or components are prevented from being damaged.

The PCBA lock that this application provided attaches protector carries out corresponding adjustment through selecting suitable PCBA 2 sizes of board and to the hole position, can be applicable to various PCBA's lock and attach the operation.

In addition to the main structure and connection manner of the PCBA lock attachment protection device provided in the above embodiments, the present invention also provides an electronic product including the PCBA lock attachment protection device disclosed in the above embodiments, and the structure of other parts of the electronic product refers to the prior art and is not described herein again.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The PCBA lock attachment protector and the electronic product provided by the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. A PCBA lock attachment protector, comprising:

a fixed part;

the PCBA board (2) is arranged on the fixing part, and the screw hole of the PCBA board (2) corresponds to the screw hole of the fixing part in position;

protective housing (3), its cover is located the outside of PCBA board (2), the bottom plate of protective housing (3) is equipped with the cylinder that extends to its inside, the cylinder be equipped with the through hole of the bottom outside intercommunication of protective housing (3), the through hole with the screw hole of PCBA board (2) corresponds, the through hole is used for making the screw by the outside of protective housing (3) penetrates and lock in PCBA board (2).

2. The PCBA lock attachment prevention device according to claim 1, wherein when the protection housing (3) is buckled outside the PCBA board (2), the end of the column is attached to the PCBA board (2).

3. The PCBA lock attachment guard as in claim 1, wherein the post comprises:

the through hole formed in the first column (4) corresponds to a screw hole in the PCBA board (2);

second cylinder (5), its setting the through hole with the screw hole of the components and parts that PCBA board (2) set up corresponds, the length of second cylinder (5) is less than the length of first cylinder (4).

4. A PCBA lock attachment guard according to claim 3, wherein the end of the first post (4) is arranged to abut the PCBA plate (2) and/or the end of the second post (5) is arranged to abut a surface of the corresponding component to retain the screw in the through-going hole.

5. The PCBA lock attachment prevention device according to claim 3, wherein a plurality of the first columns (4) are arranged in sequence along the circumference of the bottom surface edge of the protection shell (3).

6. A PCBA lock attachment prevention device according to claim 3, wherein the component comprises a heat sink (7), the second cylinder (5) being located corresponding to the periphery of the heat sink (7), the difference between the length of the second cylinder (5) and the length of the first cylinder (4) being the thickness of the heat sink (7).

7. The PCBA lock attachment guard as claimed in any of claims 1 to 6, wherein the end of the through-going bore outside the bottom of the guard housing (3) has an end counterbore.

8. The PCBA lock attachment guard according to any of claims 1 to 6, wherein the dimensions of the guard housing (3) are the same as the dimensions of the PCBA plate (2).

9. The PCBA lock attachment prevention device according to any one of claims 1 to 6, wherein the protection housing (3) is an anti-static protection housing.

10. An electronic product comprising the PCBA lock attachment guard of any one of claims 1 to 9.