CN216852535U - Circuit board assembly and display device - Google Patents

Abstract

The application discloses circuit board components and display device, wherein, circuit board components includes backplate, circuit board body and locking bail, and the locking bail has relative stiff end and the chucking end that sets up, and the one side protrusion that the backplate is close to the circuit board body is provided with the boss, and the terminal surface of boss is sunken to be provided with the draw-in groove, is provided with the mounting hole on the circuit board body, and the size of stiff end is greater than the size of mounting hole, and the chucking end passes in the mounting hole inserts the draw-in groove. The bosses are arranged on the back plate, so that the use of fixing parts of the circuit board body can be reduced, and the processing procedures and the quantity of materials of the back plate are reduced; through setting up locking bail and draw-in groove, the locking bail can utilize self deformation to insert in the draw-in groove to with the draw-in groove chucking, realize the fixed to circuit board body and backplate.

Description

Circuit board assembly and display device

Technical Field

The present disclosure relates to a display device, and more particularly to a circuit board assembly and a display device including the same.

Background

The circuit board of the conventional display device is generally fixed to the back plate of the display device by soldering studs. However, the fixing method based on a weld stud has the following disadvantages: the stud is easy to fall off, so that the assembly stability of the display screen is poor; the screw fastening also causes the assembly time of the production line to be prolonged, and the production efficiency is influenced; the welding of the studs also causes the problems of complex processing technology, high reject ratio and the like of the back plate.

The circuit board of part of the display device is fixed on the back plate through the bracket, although partial problems of the welding stud fixing method can be solved by using the mode that the bracket is used for independently fixing the circuit board, the number of the brackets is large due to the size and shape difference among different circuit boards, and the cost of materials and molds is additionally increased.

In addition, the above two methods usually require screws for auxiliary fixation, the screw fixation method has long assembly time, and repeated assembly and disassembly easily causes irreversible damage to the fixed structure, which is not favorable for subsequent maintenance operation.

SUMMERY OF THE UTILITY MODEL

An object of an embodiment of the present application is to: the circuit board assembly is simple in structure, stable in connection, high in assembly efficiency and convenient to disassemble.

Another object of an embodiment of the present application is to: provided is a display device which is high in assembly efficiency and low in cost.

In order to achieve the purpose, the following technical scheme is adopted in the application:

the first aspect provides a circuit board assembly, including backplate, circuit board body and locking bail, the locking bail has relative stiff end and the chucking end that sets up, the backplate is close to one side protrusion of circuit board body is provided with the boss, the terminal surface of boss is sunken to be provided with the draw-in groove, be provided with the mounting hole on the circuit board body, the size of stiff end is greater than the size of mounting hole, the chucking end passes the mounting hole inserts in the draw-in groove.

Has the advantages that: the clamping groove is required to be formed in the back plate to provide a clamping position for locking the clamping nail, and the boss is arranged on the back plate, so that the use of the fixing piece of the circuit board body can be reduced, and the processing procedures and the quantity of materials of the back plate are reduced; through setting up locking bail and draw-in groove, the locking bail can utilize self deformation to insert in the draw-in groove to with the draw-in groove chucking, realize the fixed to circuit board body and backplate, when the circuit board body need be lifted off, under the effect of external force, the locking bail also can utilize self deformation to extract from the draw-in groove, realize the separation of circuit board body and backplate, can reduce the use of screw like this, avoid loading and unloading screw to cause the damage to the backplate, thereby improve the life of backplate.

In a second aspect, a display device is provided, which includes the circuit board assembly.

Has the advantages that: the circuit board body and the back plate are fixed through the locking clamp, so that the structure is simple, and the assembly difficulty is low; the locking clamp and the boss are high in matching universality, so that the cost of a die does not need to be increased additionally, and the manufacturing cost of the display device can be reduced.

Drawings

The present application will be described in further detail below with reference to the accompanying drawings and examples.

Fig. 1 is an exploded schematic view of a circuit board assembly according to an embodiment of the present disclosure.

Fig. 2 is a schematic partial cross-sectional view of a circuit board assembly according to an embodiment of the present application.

Fig. 3 is a schematic view of a locking staple according to an embodiment of the present application.

Fig. 4 is a schematic cross-sectional view of a locking staple according to an embodiment of the present application.

In the figure:

1. a circuit board body; 11. mounting holes; 2. a back plate; 21. a boss; 211. a card slot; 212. a clamping block; 3. locking the staple bolts; 31. a clamping nail cap; 32. a staple body; 33. a jaw; 331. a clamping surface; 332. a guide slope; 333. a notch; 334. and (4) a groove.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present application clearer, the technical solutions of the embodiments of the present application will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

As shown in fig. 1, the circuit board assembly provided by the present application includes a back plate 2, a circuit board body 1 and a locking clip 3, referring to fig. 2, a boss 21 is convexly disposed on one side of the back plate 2 close to the circuit board body 1, a clamping groove 211 is concavely disposed on an end surface of the boss 21, a mounting hole 11 is disposed on the circuit board body 1, the locking clip 3 has a fixed end and a clamping end which are oppositely disposed, the size of the fixed end is larger than that of the mounting hole 11, and the clamping end of the locking clip 3 passes through the mounting hole 11 and is inserted into the clamping groove 211. The clamping groove 211 is required to be formed in the back plate 2 to provide a clamping position for locking the clamping nail 3, and the boss 21 is arranged on the back plate 2, so that the use of fixing parts (such as riveting studs and fixing supports) of the circuit board body 1 can be reduced, and the processing procedures and the number of materials of the back plate 2 are reduced; through setting up locking bail 3 and draw-in groove 211, locking bail 3 can utilize self deformation to insert in draw-in groove 211, and with draw-in groove 211 chucking, realize fixed to circuit board body 1 and backplate 2, when circuit board body 1 need lift off, under the effect of external force, locking bail 3 also can utilize self deformation to extract from draw-in groove 211, realize the separation of circuit board body 1 and backplate 2, can reduce the use of screw like this, avoid loading and unloading screw to cause the damage to backplate 2, thereby improve backplate 2's life.

In this embodiment, four mounting holes 11 are formed in the circuit board body 1, and the circuit board body 1 is fixed to the back plate 2 by four locking staples 3.

Referring to fig. 2 to 4, specifically, the locking clamp 3 includes a clamp body 32, one end of the clamp body 32 is provided with a clamp cap 31, the size of the clamp cap 31 is larger than that of the clamp body 32, the other end of the clamp body 32 is provided with a clamping jaw 33, the clamping jaw 33 is provided with a clamping surface 331, the clamping surface 331 and the clamp body 32 form an included angle, a notch of the clamping groove 211 is provided with a clamping block 212, the clamping jaw 33 penetrates through the mounting hole 11 on the circuit board body 1 and is inserted into the clamping groove 211, the clamping surface 331 of the clamping jaw 33 and the clamping block 212 of the clamping groove 211 abut against each other, and the clamp cap 31 and the side surface of the circuit board body 1 abut against each other. Through setting up chucking piece 212 at the notch of draw-in groove 211, can provide the chucking position for jack catch 33, avoid jack catch 33 to drop from draw-in groove 211, guarantee the connection stability between circuit board body 1 and backplate 2.

Specifically, the end surface of the pawl 33 is concavely provided with a groove 334, and the groove 334 extends to the inside of the staple body 32. The locking clamp 3 is inserted into the clamping groove 211 by utilizing self deformation, the groove 334 is arranged, the elastic force of the clamping jaw 33 can be increased, and the deformation difficulty of the clamping jaw 33 is reduced, so that the difficulty of inserting the clamping jaw 33 into the clamping groove 211 is reduced, and the assembly difficulty between the circuit board body 1 and the back plate 2 is reduced.

Specifically, the jaw 33 is provided with a notch 333, the notch 333 is communicated with the groove 334, and the length of the notch 333 extends along the length direction of the jaw 33. Through setting up breach 333, can further promote the elasticity of jack catch 33 to reduce the degree of difficulty that jack catch 33 inserted draw-in groove 211, reduce the assembly degree of difficulty between circuit board body 1 and backplate 2. In the present embodiment, a plurality of notches 333 are provided, and the plurality of notches 333 are annularly and uniformly distributed on the periphery of the pawl 33.

Specifically, the claw 33 is provided with a guide slope 332, and the end surface of the claw 33 is connected by the guide slope 332 and the chucking surface 331. Through setting up direction inclined plane 332, when jack catch 33 inserts the jack catch 211, under the restriction of jack catch 211 notch, the jack catch 211 notch can oppress direction inclined plane 332, thereby compress tightly jack catch 33, make jack catch 33 warp towards the center of jack catch 33, after jack catch 33 inserts the jack catch 211 completely, direction inclined plane 332 breaks away from the restriction of jack catch 211 notch, make jack catch 33 shape recover, at this moment, chucking piece 212 of chucking face 331 and jack catch 211 notch supports tightly, realize locking bail 3 to the fixed of circuit board body 1 and backplate 2. Therefore, the guide slope 332 is provided, so that the difficulty of inserting the locking staple 3 into the clamping groove 211 can be reduced, and the assembly difficulty of the circuit board assembly can be reduced.

Specifically, the clamping surface 331 is an inclined surface, and the clamping surface 331 and the side surface of the staple body 32 form an obtuse angle. When the locking clamp 3 needs to be disassembled, an external pulling force is applied to the locking clamp 3, under the limitation of the clamping block 212 of the clamping groove 211, the clamping block 212 presses the clamping surface 331 so as to press the clamping jaw 33, so that the clamping jaw 33 deforms towards the center of the clamping jaw 33, and after the clamping jaw 33 completely disengages from the clamping groove 211, the clamping surface 331 disengages from the limitation of the notch of the clamping groove 211, so that the clamping jaw 33 recovers the shape. Therefore, the clamping surface 331 with the inclined surface is arranged, so that the disassembling difficulty of the locking staple bolt 3 can be reduced, and the disassembling difficulty of the circuit board assembly is reduced.

Specifically, the size that boss 21 is close to 2 one ends of backplate is greater than the size that 2 one ends of backplate were kept away from to boss 21, can increase the joint strength of boss 21 and backplate 2 like this, avoids boss 21 to drop from backplate 2 to avoid circuit board body 1 and 2 separations of backplate, improve the connection stability between circuit board body 1 and backplate 2.

Specifically, the dimensions of the slot bottom of card slot 211 are greater than the dimensions of the slot opening of card slot 211. Because be provided with direction inclined plane 332 on the jack catch 33, the setting of direction inclined plane 332 can increase the overall dimension of jack catch 33, and the size that sets up the slot bottom of slot 211 is greater than the size of slot 211 notch, can provide bigger accommodation space for jack catch 33 to improve the joint strength of locking bail 3 and slot 211, guarantee that circuit board body 1 can be stably fixed on backplate 2.

Specifically, the clamping block 212 extends into the clamping slot 211. It can be understood that, rely on between locking bail 3 and the backplate 2 that the butt between chucking piece 212 and the chucking face 331 is spacing, set up that chucking piece 212 extends to in the draw-in groove 211, be equivalent to the size of increase chucking piece 212, can reduce the deformation of chucking piece 212 like this, improve the connection stability between locking bail 3 and the backplate 2 to improve the connection stability between circuit board body 1 and the backplate 2.

The embodiment also provides a display device which comprises the circuit board assembly, and the circuit board body 1 and the back plate 2 are fixed through the locking clamp 3, so that the structure is simple, and the assembly difficulty is low; the locking clip 3 and the boss 21 are highly versatile in fitting, and therefore, the manufacturing cost of the display device can be reduced without increasing the cost of a mold.

Claims (10)

1. The utility model provides a circuit board assembly, includes backplate and circuit board body, its characterized in that still includes the locking bail, the locking bail has relative stiff end and the chucking end that sets up, the backplate is close to one side protrusion of circuit board body is provided with the boss, the terminal surface of boss is sunken to be provided with the draw-in groove, be provided with the mounting hole on the circuit board body, the size of stiff end is greater than the size of mounting hole, the chucking end passes the mounting hole inserts in the draw-in groove.

2. The circuit board assembly according to claim 1, wherein the locking clip comprises a clip body, one end of the clip body is provided with a clip cap, the size of the clip cap is larger than that of the clip body, the other end of the clip body is provided with a clamping jaw, a clamping surface is arranged on the clamping jaw, the clamping surface and the clip body form an included angle, a clamping block is arranged on a notch of the clamping groove, the clamping jaw penetrates through the mounting hole to be inserted into the clamping groove, the clamping surface and the clamping block abut against each other, and the clip cap and the side surface of the circuit board body abut against each other.

3. The circuit board assembly of claim 2, wherein the end surface of the pawl is recessed with a groove that extends into the interior of the staple body.

4. The circuit board assembly of claim 3, wherein the latch defines a notch, the notch communicating with the recess, the notch extending along a length of the latch.

5. A circuit board assembly according to claim 2, characterized in that the claw is provided with a guide ramp, by means of which the end face of the claw is connected with the clamping face.

6. The circuit board assembly of claim 2, wherein the clamping surface is a beveled surface, and the clamping surface and the side surface of the staple body form an obtuse angle.

7. The circuit board assembly of claim 2, wherein the clamping block extends into the card slot.

8. The circuit board assembly of claim 1, wherein the boss has a dimension proximate the end of the backplate that is greater than a dimension of the boss distal the backplate.

9. The circuit board assembly of claim 8, wherein a dimension of a slot bottom of the card slot is greater than a dimension of a slot opening of the card slot.

10. A display device comprising the circuit board assembly according to any one of claims 1 to 9.

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