TWM654832U - Fixing assembly - Google Patents

Abstract

A fixing assembly includes a carrier and a plurality of pressing blocks, and is configured to fix a circuit board. The carrier is provided with a plurality of first receiving grooves and a second receiving groove communicated with the first receiving grooves. The second receiving slot is configured to receive the circuit board. Each pressing block is movably received in the corresponding first receiving groove. Each pressing block includes a body portion and an extending portion. The body portion and the carrier attract each other, and the extending portion extends toward the second receiving groove and is configured to press the circuit board into the second receiving groove. Before installing electronic components on the circuit board, the circuit board is placed in the second receiving groove of the carrier. Move the pressing block and press it on a surface of the circuit board through the extending portion of the pressing block to fix the circuit board in the fixing assembly so as to prevent the circuit board from deforming when electronic components are installed on the circuit board.

Description

Fixed components

The present application relates to the field of mechanical technology, and more particularly to a fixing assembly.

Circuit boards usually need to be installed with multiple electronic components to meet the various needs of electronic products. With the development of electronic products becoming thinner and lighter, circuit boards are getting thinner and thinner. During the process of installing electronic components, circuit boards are easily deformed, making it increasingly difficult to install electronic components, and reducing the installation yield of electronic components.

Therefore, it is necessary to provide a fixing assembly for fixing a circuit board, so as to fix the circuit board during the process of installing electronic components and prevent the circuit board from being deformed.

A fixing assembly is used to fix a circuit board, and the fixing assembly includes a carrier and a plurality of pressing blocks. The carrier is provided with a plurality of first receiving slots and a second receiving slot, the plurality of first receiving slots are connected to the second receiving slot, and the second receiving slot is used to receive the circuit board; each pressing block can be movably received in the corresponding first receiving slot, and each pressing block includes a main body and an extension part, the main body and the carrier attract each other, and the extension part extends toward the second receiving slot and is used to press the circuit board into the second receiving slot.

In some embodiments of the present application, the fixing assembly further includes a first magnetic body and a second magnetic body, and the first magnetic body and the second magnetic body are capable of attracting each other; the first magnetic body is fixed on the carrier, and the second magnetic body is fixed on the main body.

In some embodiments of the present application, the quantity of at least one of the first magnetic body and the second magnetic body is greater than or equal to 2.

In some embodiments of the present application, the number of the first magnetic bodies and the number of the second magnetic bodies are both plural, and the distance between two adjacent first magnetic bodies is equal to the distance between two adjacent second magnetic bodies.

In some embodiments of the present application, a plurality of first through holes are provided on the carrier, and each first through hole is connected to the corresponding first receiving groove; each pressure block also includes a fixing portion, which is arranged in an area of the main body close to the extension portion and protrudes relative to the main body, and the fixing portion is passed through the first through hole and protrudes from the carrier; an insertion hole is provided on the fixing portion, and the fixing assembly also includes a pin, which can be passed through the insertion hole and abut against the surface of the carrier away from the second receiving groove.

In some embodiments of the present application, a plurality of first through holes are provided on the carrier, and each first through hole is connected to the corresponding first receiving groove; each pressure block also includes a fixing portion, which is arranged in an area of the main body close to the extension portion and protrudes relative to the main body, and the fixing portion is passed through the first through hole and protrudes from the carrier; an insertion hole is provided on the fixing portion, and the fixing assembly also includes a pin and a fixing sleeve, which is provided on the surface of the fixing portion protruding from the carrier, the pin can be passed through the fixing sleeve and the fixing portion, and the fixing sleeve can be supported on the surface of the carrier away from the second receiving groove.

In some embodiments of the present application, the fixing sleeve is ring-shaped.

In some embodiments of the present application, a groove is provided on the surface of the main body facing away from the carrier.

In some embodiments of the present application, a plurality of second through holes are further provided on the carrier, and the second through holes penetrate the carrier, and at least some of the second through holes are connected to the second receiving grooves.

In some embodiments of the present application, a recessed portion is further provided on the carrier, and the recessed portion is connected to the second receiving groove. When the circuit board is received in the second receiving groove, the recessed portion is exposed to the circuit board.

The fixing assembly provided in the embodiment of the present application is to place the circuit board in the second receiving groove of the carrier before installing the electronic component on the circuit board, move the pressing block, and press the extending portion of the pressing block on the surface of the circuit board to fix the circuit board in the fixing assembly, so as to prevent the circuit board from being deformed when installing the electronic component on the circuit board. The pressing block can be movably arranged on the carrier, so as to fix the circuit board in the fixing assembly and facilitate the removal of the circuit board after installing the electronic component.

In order to more clearly understand the above-mentioned purpose, features and advantages of the present application, the present application is described in detail below in conjunction with the attached drawings and specific implementation methods. It should be noted that the implementation methods of the present application and the features in the implementation methods can be combined with each other without conflict. In the following description, many specific details are explained to facilitate a full understanding of the present application, and the implementation methods described are only part of the implementation methods of the present application, not all of the implementation methods.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this article are only for the purpose of describing specific implementations and are not intended to limit this application. The term "and/or" used herein includes all and any combinations of one or more related listed items.

In the various embodiments of the present application, for the convenience of description rather than limitation of the present application, the term "connection" used in the patent specification and the scope of the patent application is not limited to physical or mechanical connection, whether direct or indirect. "Up", "down", "above", "below", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship also changes accordingly.

Referring to FIG. 1 , the present application embodiment provides a fixing assembly 100, which can be used to fix a circuit board 200 so as to facilitate mounting electronic components (not shown) on the circuit board 200. The circuit board 200 can be a flexible circuit board or a rigid circuit board.

Please refer to FIG. 2 and FIG. 3 together. The fixing assembly 100 includes a carrier 10 and a plurality of pressing blocks 20. The pressing blocks 20 are movably disposed on the carrier 10. In this embodiment, the pressing blocks 20 and the carrier 10 can be fixed to each other by magnets, which is beneficial to prevent the pressing blocks 20 from being lost and can also facilitate adjustment of the position of the pressing blocks 20 relative to the carrier 10.

Specifically, the fixing assembly 100 may further include a first magnetic body 30 and a second magnetic body 40, and the first magnetic body 30 and the second magnetic body 40 can attract each other. At least one of the first magnetic body 30 and the second magnetic body 40 is a magnet. When one of them is a magnet, the other contains a material that can be attracted by a magnet, such as iron, nickel, cobalt, etc. In this embodiment, the first magnetic body 30 and the second magnetic body 40 are both magnets.

The first magnetic body 30 is fixed on the carrier 10 , and the second magnetic body 40 is fixed on the pressing block 20 . The first magnetic body 30 and the second magnetic body 40 attract each other, so that the pressing block 20 can be fixed on the carrier 10 .

The number of at least one of the first magnetic bodies 30 and the second magnetic bodies 40 is greater than or equal to 2. For example, the number of the first magnetic bodies 30 is three, the number of the second magnetic bodies 40 is two, and the distance between two adjacent first magnetic bodies 30 is equal to the distance between two adjacent second magnetic bodies 40, so that the carrier 10 and the pressing block 20 can be fixed to each other in two different states.

The carrier 10 includes a first surface 11 and a second surface 12 disposed opposite to each other. A plurality of first receiving grooves 13 and a plurality of first through holes 14 may be provided on the carrier 10, each first receiving groove 13 is interconnected with the corresponding first through hole 14, the number of the first receiving grooves 13 and the number of the first through holes 14 are the same, and the first magnetic body 30 is fixed to the area of the carrier 10 where the first receiving grooves 13 are provided. The first through hole 14 passes through two opposite surfaces of the carrier 10, and the first receiving groove 13 is formed by the first surface 11 being recessed in the direction toward the second surface 12. The first receiving groove 13 and the first through hole 14 are both used to receive the pressure block 20, and the pressure block 20 can move in the first receiving groove 13 and the first through hole 14 (please refer to FIG. 4 together).

The carrier 10 is also provided with a second receiving groove 15, and the second receiving groove 15 is used to receive the circuit board 200. The second receiving groove 15 is formed by the first surface 11 being recessed in the direction toward the second surface 12, that is, the first receiving groove 13 and the second receiving groove 15 are arranged on the same side of the carrier 10. The second receiving groove 15 is formed by the bottom wall 152 and the side wall 154. The second receiving groove 15 is connected to the plurality of first through holes 14 through the side wall 154. The plurality of first receiving grooves 13 and the first through holes 14 are distributed on at least two sides of the second receiving groove 15, that is, the plurality of first receiving grooves 13 and the first through holes 14 are not on the same straight line. In this embodiment, two sets of first receiving grooves 13 and first through holes 14 and another two sets of first receiving grooves 13 and first through holes 14 are respectively disposed on opposite sides of the second receiving groove 15 , so that the pressing blocks 20 are distributed in multiple edge regions of the circuit board 200 .

Please refer to Figure 5. The pressing block 20 includes a main body 21, an extension portion 23 and a fixing portion 25 fixed to each other. The extension portion 23 is located at one end of the main body 21. The fixing portion 25 is arranged in an area of the main body 21 close to the extension portion 23 and protrudes relative to the main body 21. The main body 21, the extension portion 23 and the fixing portion 25 roughly form a "T" shape.

The body 21 is received in the first receiving groove 13, and the second magnetic body 40 is fixed on the body 21; the extension portion 23 extends toward the second receiving groove 15; the fixing portion 25 passes through the first through hole 14 and protrudes from the carrier 10. When the pressing block 20 is placed in the first receiving groove 13, the pressing block 20 can move toward the second receiving groove 15 or away from the second receiving groove 15. After the pressing block 20 moves toward the second receiving groove 15, a gap is formed between the extension portion 23 and the bottom wall 152, and the gap is used to accommodate the edge of the circuit board 200, so that the circuit board 200 is pressed into the second receiving groove 15.

The fixing portion 25 is provided with a plug hole 252 located at an end of the fixing portion 25 away from the main body 21 . The fixing assembly 100 further includes a latch 55 , which can be inserted into the plug hole 252 and abut against the second surface 12 , thereby further fixing the pressing block 20 on the carrier 10 .

In some embodiments, the fixing assembly 100 may further include a fixing sleeve 50, which may be in a ring shape. The fixing sleeve 50 is sleeved on the surface of the fixing portion 25 protruding from the carrier 10 and may be supported on the second surface 12. The latch 55 is passed through the fixing sleeve 50 and the fixing portion 25 to fix the fixing sleeve 50 on the fixing portion 25. When the fixing sleeve 50 is provided, the latch 55 is spaced from the second surface 12. The latch 55 and the fixing sleeve 50 work together to further fix the pressure block 20 on the carrier 10. The contact area between the fixing sleeve 50 and the carrier 10 is large, which increases the connection reliability between the pressure block 20 and the carrier 10.

A groove 212 is disposed on the surface of the body 21 facing away from the carrier 10 . The groove 212 is provided to facilitate the user to push the pressing block 20 .

The carrier 10 is also provided with a plurality of second through holes 16, which penetrate the first surface 11 and the second surface 12, and at least part of the second through holes 16 can be connected to the second receiving groove 15. After the circuit board 200 is fixed on the carrier 10 and the electronic components are installed, reflow soldering is required at a high temperature, and the second through holes 16 can be used as ventilation holes to facilitate the circulation of gas.

The carrier 10 is also provided with a recessed portion 17, which is connected to the second receiving groove 15. When the circuit board 200 is received in the second receiving groove 15, the recessed portion 17 is exposed to the circuit board 200. After the electronic components on the circuit board 200 are installed, the circuit board 200 can be lifted from the recessed portion 17 to take out the circuit board 200.

The following describes the relationship between the various components of the fixing assembly 100 of the present application through a specific movement process.

Please refer to FIG. 4 and FIG. 5 . When the circuit board 200 is not placed in the second receiving groove 15 , there is a certain distance between the pressing block 20 and the second receiving groove 15 . The first magnetic body 30 and the second magnetic body 40 attract each other, so that the pressing block 20 and the carrier 10 are fixed to each other. The fixing sleeve 50 is inserted into the first through hole 14 , and the latch 55 is inserted into the fixing sleeve 50 and the fixing portion 25 , so as to further clamp the pressing block 20 on the carrier 10 .

Please refer to Figures 6 and 7, and then place the circuit board 200 in the second receiving groove 15, and apply a force to the pressing block 20 through the groove 212 to push the pressing block 20 toward the circuit board 200, overcoming the interaction force between the first magnetic body 30 and the second magnetic body 40 and the friction between the fixing sleeve 50 and the carrier 10, until the extension portion 23 is located above the circuit board 200, and the first magnetic body 30 and the second magnetic body 40 at different positions attract each other. At the same time, the pin 55 is penetrated through the fixing sleeve 50 and the fixing portion 25, and the pressing block 20 is clamped on the carrier 10, so that the circuit board 200 is fixed on the fixing assembly 100, so that electronic components can be installed on the circuit board 200.

After the step of installing the electronic components is completed, a force is applied to the pressing block 20 through the groove 212 to push the pressing block 20 to move away from the circuit board 200 until the restriction of the pressing block 20 on the circuit board 200 is released, and the circuit board 200 can be taken out.

For circuit boards 200 with different thicknesses, one end of the pressing block 20 can be tilted relative to the carrier 10 to be suitable for circuit boards 200 with different thicknesses.

The fixing assembly 100 provided in the embodiment of the present application is used to place the circuit board 200 in the second receiving groove 15 of the carrier 10 before installing electronic components on the circuit board 200, and to move the pressing block 20 and press the extending portion 23 of the pressing block 20 on the surface of the circuit board 200 to fix the circuit board 200 in the fixing assembly 100, so as to prevent the circuit board 200 from being deformed when installing electronic components on the circuit board 200. The pressing block 20 can be movably arranged on the carrier 10, so as to fix the circuit board 200 in the fixing assembly 100, and facilitate the removal of the circuit board 200 after installing the electronic components.

The above implementations are only used to illustrate the technical solution of this application and are not intended to limit it. Although this application is described in detail with reference to the above preferred implementations, ordinary technical personnel in this field should understand that the technical solution of this application can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of this application.

100: fixing assembly 10: carrier 11: first surface 12: second surface 13: first receiving groove 14: first through hole 15: second receiving groove 152: bottom wall 154: side wall 16: second through hole 17: recessed portion 20: pressing block 21: main body 212: groove 23: extension portion 25: fixing portion 252: socket 30: first magnetic body 40: second magnetic body 50: fixing sleeve 55: latch 200: circuit board

FIG1 is a structural schematic diagram of a circuit board disposed on a fixing assembly provided in an embodiment of the present application. FIG2 is an exploded view of the fixing assembly shown in FIG1 along one direction. FIG3 is an exploded view of the fixing assembly shown in FIG1 along another direction. FIG4 is a structural schematic diagram of a partial area before the fixing assembly in FIG1 fixes the circuit board. FIG5 is a cross-sectional schematic diagram of a partial area before the fixing assembly in FIG4 fixes the circuit board. FIG6 is a structural schematic diagram of a partial area after the fixing assembly in FIG1 fixes the circuit board. FIG7 is a cross-sectional schematic diagram of a partial area after the fixing assembly in FIG6 fixes the circuit board.

100:Fixed components

10: Vehicles

11: First surface

12: Second surface

13: First storage tank

14: First through hole

15: Second storage tank

20: Pressure block

21: Headquarters

212: Groove

23: Extension

25:Fixed part

252: Socket

30: First magnetic body

40: Second magnetic body

50: Fixed sleeve

55: Latch

200: Circuit board

Claims (10)

A fixing assembly for fixing a circuit board, the improvement of which is that it comprises: A carrier, provided with a plurality of first receiving slots and a second receiving slot, the plurality of first receiving slots being connected to the second receiving slot, the second receiving slot being used to receive the circuit board; A plurality of pressing blocks, each of which can be movably received in the corresponding first receiving slot, each of which comprises a main body and an extension, the main body and the carrier attract each other, the extension extending toward the second receiving slot and being used to press the circuit board into the second receiving slot. A fixing assembly as described in claim 1, wherein the fixing assembly further includes a first magnetic body and a second magnetic body, the first magnetic body and the second magnetic body are capable of attracting each other; the first magnetic body is fixed on the carrier, and the second magnetic body is fixed on the main body. A fixing assembly as described in claim 2, wherein the quantity of at least one of the first magnetic body and the second magnetic body is greater than or equal to 2. A fixing assembly as described in claim 2, wherein the number of the first magnetic bodies and the second magnetic bodies are plural, and the distance between two adjacent first magnetic bodies is equal to the distance between two adjacent second magnetic bodies. A fixing assembly as described in any one of claims 1 to 4, wherein a plurality of first through holes are provided on the carrier, each of the first through holes is connected to the corresponding first receiving groove; each of the pressing blocks further includes a fixing portion, the fixing portion is arranged in an area of the main body close to the extension portion and protrudes relative to the main body, the fixing portion is passed through the first through hole and protrudes from the carrier; an insertion hole is provided on the fixing portion, and the fixing assembly further includes a pin, the pin can be passed through the insertion hole and abut against the surface of the carrier away from the second receiving groove. A fixing assembly as described in any one of claims 1 to 4, wherein a plurality of first through holes are provided on the carrier, each of the first through holes is connected to the corresponding first receiving groove; each of the pressure blocks further includes a fixing portion, the fixing portion is arranged in an area of the main body close to the extension portion and protrudes relative to the main body, the fixing portion is passed through the first through hole and protrudes from the carrier; an insertion hole is provided on the fixing portion, and the fixing assembly further includes a pin and a fixing sleeve, the fixing sleeve is provided on the surface of the fixing portion protruding from the carrier, the pin can be passed through the fixing sleeve and the fixing portion, and the fixing sleeve can be supported on the surface of the carrier away from the second receiving groove. A fixing assembly as described in claim 6, wherein the fixing sleeve is ring-shaped. A fixing assembly as described in any one of claims 1 to 4, wherein a groove is provided on the surface of the main body facing away from the carrier. A fixing assembly as described in any one of claims 1 to 4, wherein a plurality of second through holes are further provided on the carrier, the second through holes penetrate the carrier, and at least some of the second through holes are connected to the second receiving groove. A fixing assembly as described in any one of claims 1 to 4, wherein a recess is further provided on the carrier, the recess is connected to the second receiving groove, and when the circuit board is received in the second receiving groove, the recess is exposed to the circuit board.

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