CN219938639U

CN219938639U - PCBA board fixing mechanism

Info

Publication number: CN219938639U
Application number: CN202321161805.5U
Authority: CN
Inventors: 赵峻鹏; 张伟; 朱国珍; 吴海燕; 刘增军; 汪亚南
Original assignee: Johnson Controls Hitachi Air Conditioning Wuhu Co ltd
Current assignee: Johnson Controls Hitachi Air Conditioning Wuhu Co ltd
Priority date: 2023-05-15
Filing date: 2023-05-15
Publication date: 2023-10-31
Anticipated expiration: 2033-05-15

Abstract

The utility model relates to the technical field of PCBA fixing devices, in particular to a PCBA board fixing mechanism, which comprises: the fixing plate is provided with first clamping grooves at two sides, and at least two first through grooves are formed in the bottom end, away from the first clamping grooves, of the fixing plate; the support frame is fixedly connected with at least one claw, two sides of the support frame are fixedly connected with convex blocks, and a boss is fixedly connected to the bottom end of the support frame close to the convex blocks; at least two second through grooves are formed in one end of the PCBA plate, a third through groove is formed in the other end of the PCBA plate, and the third through groove is clamped with the boss; the other end of the PCBA board is connected with the fixing plate through the first through groove and the second through groove.

Description

PCBA board fixing mechanism

Technical Field

The utility model relates to the technical field of PCBA fixing devices, in particular to a PCBA board fixing mechanism.

Background

Printed circuit boards, also known as printed circuit boards, printed wiring boards, often referred to by the acronym PCB, are important electronic components, and the empty PCB is printed on SMT or through the entire process of DIP cards, called PCBA.

Traditional PCBA fixed mode is through the working of plastics cladding with PCBA to fix, when the electric cabinet receives great external force, for example falls in the transportation, the characteristic of working of plastics easily takes place to whiten, warp and fracture when receiving great external force, thereby leads to PCBA to break away from the phenomenon of damage, and fixed effect is relatively poor, and will carry out cladding nature fixed with PCBA, and required working of plastics is bulky, and the cost of production is higher.

Disclosure of Invention

Therefore, the utility model aims to provide a PCBA board fixing mechanism which solves the problems of poor fixing effect, large volume of required plastic parts and high production cost.

Based on the above object, the present utility model provides a PCBA board fixing mechanism, comprising:

the fixing plate is provided with first clamping grooves at two sides, and at least two first through grooves are formed in the bottom end, far away from the first clamping grooves, of the fixing plate;

the support frame is fixedly connected with at least one claw, two sides of the support frame are fixedly connected with protruding blocks, the protruding blocks are located in the first clamping grooves, the support frame is detachably connected with the fixing plate through the protruding blocks, and the bottom end of the support frame is fixedly connected with a boss at a position close to the protruding blocks;

the PCBA board, at least two second through slots have been seted up to PCBA board's one end, PCBA board's the other end has been seted up the third through slot, third through slot and boss looks block, PCBA board one side and jack catch looks block;

the buckle, the buckle is connected the other end of PCBA board with the fixed plate through first logical groove and second logical groove.

Optionally, the number of the first through slots is equal to the number of the second through slots.

Optionally, the position that is close to the jack catch on the support frame is equipped with two at least supporting shoes, PCBA board is placed on the supporting shoe.

Optionally, the buckle includes a first clamping portion, a second clamping portion and a supporting portion.

Optionally, the front end of the buckle expands to a position far away from the axis, and the position of the buckle in the first through groove contracts inwards to form a first clamping part.

Optionally, the tail end of the buckle expands to a position far away from the axis, and the position of the buckle in the second through groove contracts inwards to form a second clamping part.

Optionally, the middle parts of the first clamping part and the second clamping part and the bottom ends of the buckles form the supporting part.

Optionally, the first joint portion is connected with the adaptation of first logical groove, makes buckle and fixed plate detachable connection, the adaptation of second joint portion and second logical groove is connected, makes buckle and PCBA board detachable connection.

Optionally, the top ends of the supporting parts and the top ends of the supporting blocks are on the same plane, so that the PCBA board can be on one plane.

The utility model has the beneficial effects that: through fixed plate, support frame and the buckle that sets up, the one end of support frame with PCBA board is fixed, the other end of PCBA board is fixed through the cooperation of fixed plate and buckle simultaneously, utilize support frame and buckle to make up the dual fixing of combination formula, it is more firm to make the fixation, prevent that PCBA board from droing in the transportation, the supporting shoe and the buckle that set up cooperate, prop up PCBA board, it dispels the heat to have sufficient space between the bottom of messenger's PCBA board and fixed plate, supporting shoe and buckle support PCBA board, make the stress point of PCBA board reduce, reduce the damage of vibrations to PCBA board in the transportation, this mechanism has reduced manufacturing cost simultaneously.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a PCBA board fixing mechanism according to an embodiment of the utility model;

FIG. 2 is a side view of a PCBA board securing mechanism in accordance with an embodiment of the present utility model;

FIG. 3 is a cross-sectional view at A-A in FIG. 2;

FIG. 4 is a schematic structural view of a fixing plate according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a supporting frame according to an embodiment of the utility model;

FIG. 6 is a schematic view of a PCBA board in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic view of a structure of a claw according to an embodiment of the present utility model;

fig. 8 is a prior art PCBA board securing mechanism.

Marked in the figure as:

1. a fixing plate; 2. a first clamping groove; 3. a first through groove; 4. a support frame; 5. a claw; 6. a bump; 7. a boss; 8. PCBA board; 9. a second through slot; 10. a third through slot; 11. a buckle; 12. a support block; 13. a first clamping part; 14. a second clamping part; 15. a supporting part.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 7, a PCBA board securing mechanism includes:

the fixing plate 1, the first draw-in groove 2 has been seted up to fixed plate 1 both sides, fixed plate 1 is kept away from the bottom of first draw-in groove 2 and has been seted up two at least first logical grooves 3;

the support frame 4 is fixedly connected with at least one claw 5, two sides of the support frame 4 are fixedly connected with a lug 6, the lug 6 is positioned in the first clamping groove 2, the support frame 4 is detachably connected with the fixed plate 1 through the lug 6, and a boss 7 is fixedly connected to the bottom end of the support frame 4 at a position close to the lug 6;

the PCBA board 8, at least two second through grooves 9 are formed in one end of the PCBA board 8, a third through groove 10 is formed in the other end of the PCBA board 8, the third through groove 10 is clamped with the boss 7, and one side of the PCBA board 8 is clamped with the clamping jaw 5;

the buckle 11, the buckle 11 is connected with the fixed plate 1 through the other end of the PCBA board 8 through the first through groove 3 and the second through groove 9.

The lug 6 is clamped into the first clamping groove 2, the supporting frame 4 is connected with the fixing plate 1, the third through groove 10 on the PCBA plate 8 penetrates through the boss 7, the claw 5 clamps the PCBA plate 8, one end of the PCBA plate 8 is fixed, the buckle 11 sequentially penetrates through the first through groove 3 on the fixing plate 1 and the second through groove 9 on the PCBA plate 8, the other end of the PCBA plate 8 is fixed, the supporting frame 4 and the buckle 11 are utilized for combined double fixation, the fixation is firmer, and the PCBA plate 8 is prevented from falling off in the transportation process.

In one embodiment, as shown in fig. 4 and 6, the number of the first through slots 3 is equal to the number of the second through slots 9, so that the buckle 11 can pass through the first through slots 3 and the second through slots 9 to fix the PCBA board 8.

In one embodiment, as shown in fig. 5, at least two supporting blocks 12 are disposed on the supporting frame 4 near the clamping jaw 5, the PCBA board 8 is placed on the supporting blocks 12, and the supporting blocks 12 support the PCBA board 8, so that a sufficient space is provided between the PCBA board 8 and the bottom end of the fixing plate 1 for heat dissipation.

In one embodiment, as shown in fig. 7, the buckle 11 includes a first clamping portion 13, a second clamping portion 14, and a supporting portion 15.

The front end of the buckle 11 expands to a position far away from the axis, and the position of the buckle 11 in the first through groove 3 is contracted inwards to form a first clamping part 13.

The tail end of the buckle 11 expands to a position far away from the axis, and the position of the buckle 11 in the second through groove 9 contracts inwards to form a second clamping part 14.

The middle part of the first clamping part 13 and the second clamping part 14 and the bottom end of the buckle 11 form a supporting part 15.

The first clamping part 13 is connected with the first through groove 3 in an adapting way, so that the buckle 11 is detachably connected with the fixed plate 1, the second clamping part 14 is connected with the second through groove 9 in an adapting way, so that the buckle 11 is detachably connected with the PCBA 8, and the whole installation process is simpler and more convenient.

In one embodiment, as shown in fig. 3, the top ends of the supporting parts 15 and the top ends of the supporting blocks 12 are on the same plane, so that the PCBA board 8 can be on one plane, and the possibility of fracture of the PCBA board 8 caused by that the two sides of the PCBA board 8 are not on the same plane is avoided.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. A PCBA board securing mechanism, comprising:

the fixing plate (1), the first clamping grooves (2) are formed in two sides of the fixing plate (1), and at least two first through grooves (3) are formed in the bottom end, far away from the first clamping grooves (2), of the fixing plate (1);

the support frame (4), fixedly connected with at least one jack catch (5) on support frame (4), the both sides fixedly connected with lug (6) of support frame (4), lug (6) are located first draw-in groove (2), support frame (4) are through lug (6) and fixed plate (1) detachable connection, the position that is close to lug (6) of support frame (4) bottom is fixedly connected with boss (7);

the novel printed circuit board assembly comprises a PCBA board (8), wherein at least two second through grooves (9) are formed in one end of the PCBA board (8), a third through groove (10) is formed in the other end of the PCBA board (8), the third through groove (10) is clamped with a boss (7), and one side of the PCBA board (8) is clamped with a claw (5);

the buckle (11), the buckle (11) is connected with the other end of the PCBA board (8) and the fixed plate (1) through the first through groove (3) and the second through groove (9).

2. A PCBA board securing mechanism according to claim 1, characterized in that the number of first through slots (3) and the number of second through slots (9) are equal.

3. A PCBA board fixing mechanism according to claim 1 characterized in that the support frame (4) is provided with at least two support blocks (12) at positions close to the jaws (5), the PCBA board (8) being placed on the support blocks (12).

4. A PCBA board securing mechanism according to claim 3, characterized in that the clasp (11) comprises a first clamping portion (13), a second clamping portion (14) and a support portion (15).

5. A PCBA board securing mechanism according to claim 4, characterized in that the front end of the clasp (11) expands to a position away from the axis, the clasp (11) being located in the first through slot (3) to contract inwardly to form the first clip portion (13).

6. A PCBA board securing mechanism according to claim 5, characterized in that the tail end of the clasp (11) expands to a position away from the axis, the position of the clasp (11) in the second through slot (9) contracting inwardly to form a second clip portion (14).

7. A PCBA board securing mechanism according to claim 6, characterized in that the middle part of the first clamping part (13) and the second clamping part (14) and the bottom end of the buckle (11) form a supporting part (15).

8. A PCBA board fixing mechanism according to claim 7, characterized in that the first clamping part (13) is connected with the first through slot (3) in a fitting manner, so that the buckle (11) is detachably connected with the fixing board (1), and the second clamping part (14) is connected with the second through slot (9) in a fitting manner, so that the buckle (11) is detachably connected with the PCBA board (8).

9. A PCBA board securing mechanism according to claim 7, characterized in that the top end of the supporting portion (15) and the top end of the supporting block (12) are on the same plane.