CN220653809U

CN220653809U - PCBA subassembly fixed knot constructs and battery charging outfit

Info

Publication number: CN220653809U
Application number: CN202322334286.4U
Authority: CN
Inventors: 高雷迪; 曾传东; 文杰; 龙海岸; 王清旺
Original assignee: Ningbo Gongniu Digital Technology Co Ltd
Current assignee: Ningbo Gongniu Digital Technology Co Ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-22
Anticipated expiration: 2033-08-28

Abstract

The utility model provides a PCBA component fixing structure and charging equipment. PCBA subassembly fixed knot constructs includes: the shell is provided with an opening and a containing cavity communicated with the opening, and the containing cavity is used for containing the PCBA component; the first limiting piece and the second limiting piece are respectively arranged on the shell and the PCBA component and correspondingly arranged, and a limiting stop is arranged between the first limiting piece and the second limiting piece and used for fixing the PCBA component in the accommodating cavity. The utility model solves the problem that the PCBA component in the prior art is easy to shake when in use.

Description

PCBA subassembly fixed knot constructs and battery charging outfit

Technical Field

The utility model relates to the technical field of electronics, in particular to a PCBA component fixing structure and charging equipment.

Background

Along with the development of the times, the charging equipment is not visible in people's daily life, at present, the charging equipment all adopts PCBA subassembly, PCBA subassembly is with the finished product of various electronic components on the circuit board through encapsulation technology assembly, current PCBA subassembly does not set up fixed structure, but utilize ultrasonic wave technology pressfitting through upper cover and lower cover, and then realize the fixed to PCBA, but use the in-process of ultrasonic wave to PCBA compaction, the downward pressure of ultrasonic wave provides can be offset a part by PCBA ascending resistance, the high-frequency vibration that the ultrasonic wave produced can produce adverse effect to the PCBA board and cause the damage of components and parts on the PCBA simultaneously, the processing of any cooperation structure can not avoid producing the error, namely manufacturing tolerance, receive manufacturing tolerance's influence, the condition that the upper and lower covers can appear the cooperation and put in place and then can't compact PCBA, influence the use of follow-up charging equipment.

From the above, the PCBA assembly in the prior art has the problem of easy shaking during use.

Disclosure of Invention

The utility model mainly aims to provide a PCBA component fixing structure and charging equipment, which are used for solving the problem that the PCBA component in the prior art is easy to shake when in use.

To achieve the above object, according to one aspect of the present utility model, there is provided a PCBA component fixing structure, comprising:

the shell is provided with an opening and a containing cavity communicated with the opening, and the containing cavity is used for containing the PCBA component;

the first limiting piece and the second limiting piece are respectively arranged on the shell and the PCBA component and correspondingly arranged, and a limiting stop is arranged between the first limiting piece and the second limiting piece and used for fixing the PCBA component in the accommodating cavity.

Further, the first limiting piece and the second limiting piece are mutually matched clamping structures.

Further, one of the first limiting piece and the second limiting piece is a buckle, the other is a clamping groove, and the buckle stretches into the clamping groove and the clamping groove to limit the stop.

Further, the buckle comprises a plurality of sections which are sequentially connected and continuously bent to form an elastic structure, and the buckle protrudes out of the outer surface of the first limiting piece or the second limiting piece.

Further, the terminal section of at least buckle in the multistage is the section of pressing, and when buckle and draw-in groove limit stop, the section of pressing is located outside the draw-in groove.

Further, the pressing section has a width smaller than the widths of the other sections of the plurality of sections.

Further, the clamping grooves are inclined planes along the two side groove wall surfaces of the moving direction of the PCBA component, and the shape of the clamping buckle is matched with the shape of the clamping groove.

Further, PCBA subassembly includes PCBA module, mylar and fin, and the second locating part is the buckle, and the buckle sets up on the fin, and the fin has the first notch portion of dodging the buckle, and the Mylar has the second notch portion of dodging the buckle.

Further, the PCBA component fixing structure further comprises a guide rail, the guide rail is arranged on the inner wall of the shell and corresponds to at least one side of the PCBA component, and the side edge of the PCBA component stretches into the guide rail so that the PCBA component enters the accommodating cavity along the guide rail.

Further, the number of the guide rails is two, the two guide rails are respectively positioned at two sides in the shell, and two side edges of the PCBA component respectively extend into the two guide rails.

Further, the first limiting piece is arranged on the inner wall of the opening of the shell.

Further, the first limiting pieces are multiple, and the first limiting pieces are arranged at intervals along the circumferential direction of the shell.

According to another aspect of the present utility model, there is provided a charging device including the PCBA assembly fixing structure described above.

By applying the technical scheme of the utility model, the PCBA component fixing structure comprises: the device comprises a shell, a first limiting piece and a second limiting piece. The housing has an opening and a receiving cavity in communication with the opening, the receiving cavity being for receiving the PCBA assembly. The first locating part and the second locating part set up respectively on casing and PCBA subassembly and correspond the setting, spacing backstop between first locating part and the second locating part for fix the PCBA subassembly at the holding intracavity, set up the holding chamber of holding PCBA subassembly on the casing, and utilize the first locating part that sets up on the casing and the spacing backstop of second locating part that sets up on the PCBA subassembly, make the PCBA subassembly of holding in the holding intracavity fixed through the backstop structure, even the casing takes place vibrations PCBA subassembly also can be fixed in the casing and along with casing synchronous motion when using, and the free phenomenon of rocking even moving of PCBA subassembly in the casing can not appear, the problem of rocking easily when PCBA subassembly uses among the prior art has been solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 illustrates a schematic view of a PCBA assembly mounting structure in one embodiment of the present utility model;

FIG. 2 shows a schematic structural view of a housing in one embodiment of the utility model;

fig. 3 is a schematic view showing an assembled structure of a charging device in one embodiment of the present utility model;

fig. 4 shows a partial enlarged view at a in fig. 3.

Wherein the above figures include the following reference numerals:

10. a housing; 20. a first limiting member; 30. a second limiting piece; 31. a pressing section; 40. a PCBA module; 41. welding holes; 50. mylar; 60. a heat sink; 61. welding pins; 70. a guide rail; 80. a limit rib; 90. a top cover; 100. PCBA components.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

In order to solve the problem that a PCBA component in the prior art is easy to shake during use, the utility model provides a PCBA component fixing structure and charging equipment.

As shown in fig. 1 to 4, the PCBA component fixing structure includes: the housing 10 and the first and second stoppers 20 and 30. The housing 10 has an opening and a receiving cavity in communication with the opening for receiving the PCBA assembly. The first limiting piece 20 and the second limiting piece 30 are respectively arranged on the shell 10 and the PCBA component and correspondingly arranged, and a limiting stop is arranged between the first limiting piece 20 and the second limiting piece 30 and used for fixing the PCBA component in the accommodating cavity.

Set up the holding chamber of holding PCBA subassembly on the casing to utilize the first locating part that sets up on the casing and the spacing backstop of second locating part that sets up on the PCBA subassembly, make the PCBA subassembly of holding in the holding intracavity fixed through the backstop structure, even the casing takes place to shake PCBA subassembly also can be fixed in the casing and along with casing synchronous motion when using, and the free phenomenon that shakes even remove in the casing of PCBA subassembly can not appear, stability when PCBA uses has been improved.

As shown in fig. 1, 2 and 4, the first limiting member 20 and the second limiting member 30 are mutually matched clamping structures.

The clamping structure is arranged inside the shell 10, and the clamping structure always keeps clamping when the shell 10 is not opened.

In this embodiment, one of the first limiting member 20 and the second limiting member 30 is a buckle, and the other is a slot, and the buckle extends into the slot and the slot is a limiting stop.

The first limiting piece 20 and the second limiting piece 30 are arranged to be in a buckling and clamping groove structure, and the clamping mode not only can achieve limiting effect, but also has small influence on the strength of the shell 10 and the PCBA assembly.

In this embodiment, the buckle includes a plurality of sections that are sequentially connected and continuously bent to form an elastic structure, and the buckle protrudes from the outer surface of the first limiting member 20 or the second limiting member 30.

The elastic buckle structure that stretches out is set to for the buckle is before receiving the extrusion to get into the draw-in groove, and the buckle is compressed, and PCBA subassembly can more laborsaving get into casing 10, has avoided the too high buckle of hardness to cause the physics fish tail to the inner wall of casing 10, even causes the fracture of casing 10, after getting into the draw-in groove, the buckle can rely on self elasticity to resume, and processing is simple, and the cost is reduced utilizes multistage and draw-in groove joint and then spacing backstop of buckling in succession, has increased the area of contact of buckle and draw-in groove and is favorable to realizing effectual backstop.

As shown in fig. 1 and fig. 4, at least the end section of the buckle in the multiple sections is a pressing section 31, and when the buckle and the clamping groove limit stop, the pressing section 31 is located outside the clamping groove.

The pressing section 31 is arranged outside the clamping groove and can provide an impetus for the disassembly of the PCBA component, the top cover 90 is opened when the PCBA component needs to be replaced, the finger is used for stretching into the accommodating cavity from the opening of the shell 10 to press or stir the pressing section 31 in the direction away from the clamping groove, the clamping groove can be separated from the clamping groove, the whole PCBA component can be taken out, if the whole PCBA component is arranged in the clamping groove, the assembly can only be realized, the secondary utilization of the shell 10 can not be realized, the partial structure of the PCBA component can not be replaced, the length of the pressing section 31 can be properly increased to be adapted, the finger of partial crowd is thicker, and the situation that the finger stretches into the shell 10 is difficult can be realized.

In the present embodiment, the pressing section 31 has a width smaller than that of the other sections of the plurality of sections. Whole buckle one end is connected with first locating part 20 and second locating part 30, and the other end sets up to press the section 31, realizes the removal of whole buckle through pressing the section 31, presses the width setting of section 31 to the same width with other sections and does not influence the function that realizes the buckle and still can increase the pressing burden, and the concentration of stress can be realized to less section width, better laborsaving lever principle of utilization buckle.

In this embodiment, the slot wall surfaces of the two sides of the slot along the moving direction of the PCBA component are inclined surfaces, and the shape of the buckle is matched with the shape of the slot.

Compared with the straight groove wall surface, the inclined groove wall surface and the inclined buckle are more beneficial to the buckle to slide into the clamping groove, so that the abrasion of the buckle and the clamping groove is reduced, and the buckle can be taken out of the clamping groove more laborsaving when the pressing section 31 is stressed.

As shown in fig. 2, the PCBA assembly includes a PCBA module 40, a mailer 50, and a heat sink 60, the second limiting member 30 is a buckle, the buckle is disposed on the heat sink 60, the heat sink 60 has a first notch portion for avoiding the buckle, and the mailer 50 has a second notch portion for avoiding the buckle.

In this embodiment, the heat sink 60 and the mylar sheet 50 are adhered by double sided adhesive tape, and meanwhile, the heat sink 60 is further provided with a welding pin 61, and the welding pin 61 is welded with a welding hole 41 provided on the PCBA module 40 to fasten the mylar sheet 50, so that the whole assembly is attached, and when the assembly is mounted, the buckle is extruded to shrink through the first notch portion and the second notch portion.

The heat sink 60 may be a copper sheet in this embodiment.

As shown in fig. 2, the PCBA component fixing structure further includes a guide rail 70, the guide rail 70 is disposed on an inner wall of the housing 10 and is disposed corresponding to at least one side of the PCBA component, and a side edge of the PCBA component extends into the guide rail 70 to enable the PCBA component to enter the accommodating cavity along the guide rail 70.

In this embodiment, there are two guide rails 70, two guide rails 70 are respectively located at two sides in the housing 10, and two sides of the PCBA assembly respectively extend into the two guide rails 70.

Two guide rails 70 parallel arrangement are at the inner wall of casing 10, and PCBA subassembly has guaranteed along the guide rail that the position and the direction of PCBA subassembly installation are accurate, and the setting that two guide rails 70 and PCBA subassembly's edge gapped simultaneously can play limiting displacement for the PCBA subassembly of this application can be better fixedly hold in casing 10.

In the present embodiment, the first stopper 20 is provided at the inner wall of the opening of the housing 10.

The first limiting piece 20 is arranged on the inner wall of the opening and matched with the second limiting piece 30, so that a user can press the pressing section 31 more easily during disassembly, and the PCBA assembly is assembled and disassembled.

In the present embodiment, the number of the first limiting members 20 is plural, and the plurality of first limiting members 20 are disposed at intervals along the circumferential direction of the housing 10.

Specifically, when the charging equipment is used, firstly, the PCBA assembly 100 is installed, the buckle is extruded and contracted into the notch part during installation, then the edge of the PCBA assembly 100 moves along the guide rail 70 arranged in the shell 10, finally, the bottom of the shell 10 is reached, the bottom of the PCBA assembly is abutted with the limit rib 80 arranged at the bottom of the shell 10, the buckle is restored to the original state at the moment and is attached to the inner wall surface of the clamping groove, and the PCBA assembly and the shell 10 are limited and stopped.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: PCBA subassembly fixed knot constructs includes: the device comprises a shell, a first limiting piece and a second limiting piece. The housing has an opening and a receiving cavity in communication with the opening, the receiving cavity being for receiving the PCBA assembly. The first limiting piece and the second limiting piece are respectively arranged on the shell and the PCBA component and are correspondingly arranged, the limiting stop between the first limiting piece and the second limiting piece is used for fixing the PCBA component in the accommodating cavity, the accommodating cavity for accommodating the PCBA component is formed in the shell, the first limiting piece arranged on the shell and the limiting stop of the second limiting piece arranged on the PCBA component are utilized, the PCBA component accommodated in the accommodating cavity is fixed through the stop structure, even if the shell vibrates, the PCBA component can be fixed in the shell and move synchronously with the shell, the phenomenon that the PCBA component freely shakes or even moves in the shell is avoided, and the stability of the PCBA in use is improved.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A PCBA component securing structure, comprising:

a housing (10), the housing (10) having an opening and a receiving cavity in communication with the opening, the receiving cavity for receiving the PCBA assembly;

the PCBA comprises a shell (10) and a PCBA component, wherein the PCBA component is provided with a first limiting piece (20) and a second limiting piece (30), the first limiting piece (20) and the second limiting piece (30) are respectively arranged on the shell (10) and the PCBA component and are correspondingly arranged, and a limiting stop is arranged between the first limiting piece (20) and the second limiting piece (30) and used for fixing the PCBA component in the accommodating cavity.

2. The PCBA assembly securing structure according to claim 1, characterized in that the first and second spacing members (20, 30) are inter-fitting snap-fit structures.

3. The PCBA assembly securing structure according to claim 2, characterized in that one of the first and second spacing members (20, 30) is a buckle, the other is a slot, the buckle extending into the slot and the slot stop.

4. A PCBA component securing structure according to claim 3, characterized in that the clasp comprises a plurality of segments connected in sequence and bent in succession to form a resilient structure, the clasp protruding from an outer surface of the first (20) or second (30) stop.

5. The PCBA component fixing structure according to claim 4 wherein at least the end section of the buckle in the plurality of sections is a pressing section (31), the pressing section (31) being located outside the clamping groove when the buckle is in a limit stop with the clamping groove.

6. A PCBA component securing structure according to claim 5, characterized in that the pressing section (31) has a width smaller than the width of the other of the sections.

7. A PCBA component fixing structure according to claim 3 wherein both side slot walls of the slot along the direction of movement of the PCBA component are inclined surfaces, the shape of the buckle being adapted to the shape of the slot.

8. A PCBA component mounting structure according to claim 3, characterized in that the PCBA component comprises a PCBA module (40), a Mylar (50) and a heat sink (60), the second limiting element (30) is the clip, the clip is arranged on the heat sink (60), the heat sink (60) has a first notch portion which avoids the clip, and the Mylar (50) has a second notch portion which avoids the clip.

9. The PCBA component securing structure according to any one of claims 1 to 8, further comprising a guide rail (70), the guide rail (70) being provided on an inner wall of the housing (10) and being provided in correspondence with at least one side of the PCBA component, a side of the PCBA component extending into the guide rail (70) to enable the PCBA component to enter the accommodation cavity along the guide rail (70).

10. The PCBA component securing structure according to claim 9, wherein there are two guide rails (70), the two guide rails (70) are respectively located at two sides in the housing (10), and two side edges of the PCBA component are respectively inserted into the two guide rails (70).

11. A PCBA assembly fixing structure according to any one of claims 1 to 8, wherein the first stop (20) is provided on an inner wall of the housing (10) at the opening.

12. The PCBA assembly fixing structure according to any one of claims 1 to 8, wherein the first spacing member (20) is a plurality of, the plurality of first spacing members (20) being disposed at intervals along the circumference of the housing (10).

13. A charging apparatus comprising the PCBA component mounting structure of any one of claims 1 to 12.