Clamping assembly and circuit board assembly

Abstract

The utility model relates to the technical field of product assembly, aims to solve the problems of inconvenience and low assembly efficiency of an existing assembly mode, and provides a clamping assembly and a circuit board assembly. The clamping assembly comprises a fastening piece and a clamping support, and the fastening piece is used for being connected to the circuit board and supporting a target piece. The clamping support comprises a base and an elastic part. The base comprises a bottom plate and two vertical walls, the bottom plate is connected to the fastener, and the two vertical walls are connected to the bottom plate at intervals. The elastic part comprises a connecting section and an abutting section, the connecting section is connected between the two vertical walls, and the abutting section is in a cantilever shape with one end connected to the connecting section and the other end extending in the direction close to the bottom plate. The end, close to the bottom plate, of the abutting section is provided with an abutting face facing the fastener. The abutting face can be limited to the side, away from the fastening piece, of the target piece or laterally away from the target piece under the action of external force so as to allow the target piece to be detached. The method has the beneficial effects that the target piece is convenient to assemble, and the assembling efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of product assembly, in particular to a clamping assembly and a circuit board assembly. BACKGROUND

[0002] Some existing hard disk box assemblies, such as M.2 card assemblies, are directly connected to a circuit board by screws, and a screwdriver or other tools are needed to assist in the fixing process. This assembly method is relatively inconvenient and has low assembly efficiency. CONTENT OF THE UTILITY MODEL

[0003] The present application provides a clamping assembly and a circuit board assembly to solve the problem of inconvenient assembly and low assembly efficiency of existing hard disk box assemblies.

[0004] The embodiment of the present application provides a clamping assembly for assembling a target piece on a circuit board. The clamping assembly comprises a fastener and a clamping bracket. The fastener is used to connect to the circuit board and support the target piece. The clamping bracket comprises a base and an elastic part. The base comprises a bottom plate and two vertical walls. The bottom plate is connected to the fastener, and the two vertical walls are connected to the bottom plate at a distance from each other. The elastic part comprises a connecting segment and a pressing segment. The connecting segment is connected between the two vertical walls, and the pressing segment is in the shape of a cantilever with one end connected to the connecting segment and the other end extending towards the bottom plate. The end of the pressing segment close to the bottom plate has a pressing surface facing the fastener. The pressing surface can be limited to the side of the target piece away from the fastener, or laterally away from the target piece under the action of an external force, to allow the target piece to be removed.

[0005] In a possible embodiment, the fastener has a support surface arranged on the side of the fastener facing the pressing segment. The pressing segment comprises a guide slope connected to the side of the pressing surface away from the fastener and capable of guiding the target piece to be clamped between the pressing surface and the support surface.

[0006] In a possible embodiment, the fastener has a column segment, a first support plate and a second support plate. The column segment is used to connect to the circuit board. The first support plate and the second support plate are connected to the outer periphery of the column segment at a distance along the axial direction. The bottom plate is clamped between the first support plate and the second support plate. The surface of the second support plate facing away from the first support plate is used to support the target piece.

[0007] In a possible embodiment, the bottom plate is provided with a guide groove and a circular groove penetrating in the thickness direction. One end of the guide groove communicates with the circular groove, and the other end penetrates the edge of the plate surface of the bottom plate. The guide groove is used to guide the fastener into the circular groove to fix the bottom plate between the first support plate and the second support plate.

[0008] In a possible implementation, the target piece further includes a grounding end, which is arranged at one end of the target piece close to the pressing segment. The pressing surface is arranged at an angle with the bottom plate, and in the assembled state, the pressing surface is inclined to press the target piece, so that the grounding end is abutted to the fastener.

[0009] In a possible implementation, the clamping assembly further includes a pulling piece, which includes a pulling plate and a connecting rod connected between the pulling plate and the pressing segment. The pulling plate is arranged at a side of the pressing segment away from the target piece, and the pulling plate has a pressing portion and a supporting portion. The pressing portion is arranged at a side of the pulling plate away from the bottom plate in the vertical direction, and the supporting portion is arranged at a side of the pulling plate close to the bottom plate in the vertical direction, so that in the unlocked state, the supporting portion can be supported on the bottom plate, and the pressing portion can drive the pressing segment to elastically retreat through the connecting rod under the action of an external force, so as to release the locking of the pressing surface to the target piece.

[0010] In a possible implementation, the bottom plate further includes a supporting leg, which is arranged at a side of the bottom plate away from the target piece in the longitudinal direction, and the supporting leg abuts the circuit board in the vertical direction to support the bottom plate.

[0011] In a possible implementation, the target piece is provided with a relief groove, which is arranged at a side of the target piece close to the clamping bracket, and the relief groove corresponds to the fastener.

[0012] In a possible implementation, the target piece is an M.2 card. One end of the target piece away from the clamping assembly is fixed and electrically connected to the circuit board. When the target piece is in the assembled state, one end of the target piece close to the clamping assembly is locked between the pressing surface and the fastener. When the target piece is in the unlocked state, the pressing segment is away from the other end of the target piece under the action of an external force, so as to unlock the locking of the pressing surface to the other end of the target piece.

[0013] Embodiments of the present application also provide a circuit board assembly, which includes a target piece, a circuit board and a clamping assembly. The circuit board has a connector. The clamping assembly is connected to the circuit board. One end of the target piece is electrically connected to the connector, and the other end is clamped to the clamping assembly. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 FIG. 1 is a structural schematic diagram of a circuit board assembly according to an embodiment of the present application;

[0016] Figure 2 FIG. 1 is a structural schematic diagram of a circuit board assembly according to an embodiment of the present application; Figure 1A cross-sectional view along line A-A of the middle portion structure;

[0017] Figure 3 A three-dimensional view of the clamping assembly in Figure 1

[0018] Figure 4 A bottom view of the clamping bracket in Figure 3

[0019] Figure 5 A rear view of Figure 4

[0020] Figure 6 A three-dimensional view of the fastener in Figure 3

[0021] Explanation of main element symbols:

[0022] Circuit board assembly 1000

[0023] Circuit board 100

[0024] Connector 1001

[0025] Target piece 200

[0026] Ground terminal 2001

[0027] Letting go of the slot 2002

[0028] Clamping assembly 300

[0029] Fastener 10

[0030] Column segment 101

[0031] First support plate 102

[0032] Bottom surface 1021

[0033] Second support plate 103

[0034] Support surface 104

[0035] Clamping bracket 20

[0036] Base 201

[0037] Bottom plate 2011

[0038] Guide slot 2012

[0039] Round slot 2013

[0040] Supporting foot 2014

[0041] Stand wall 2015

[0042] Opening 2016 ​​​​

[0043] elastic portion 202

[0044] connecting segment 2021

[0045] pressing segment 2022

[0046] pressing surface 2023

[0047] guide inclined surface 2024

[0048] pulling member 203

[0049] pulling plate 2031

[0050] connecting rod 2032

[0051] pressing portion 2033

[0052] supporting portion 2034

[0053] supporting protrusion 2035

[0054] The following detailed description will further describe the present application with reference to the above drawings. DETAILED DESCRIPTION

[0055] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0056] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. When an element is referred to as being "disposed" on another element, it can be directly disposed on the other element or there can be an intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0057] Unless otherwise defined, 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. The terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0058] Some embodiments of the present application are described in detail. The following embodiments and features of the embodiments can be combined with each other in the case of no conflict.

[0059] EMBODIMENTS

[0060] Referring to Figure 1 The embodiment provides a circuit board assembly 1000, which comprises a target piece 200, a circuit board 100 and a clamping assembly 300, the circuit board 100 is provided with a connector 1001, and the clamping assembly 300 is connected to the circuit board 100. One end of the target piece 200 is electrically connected to the connector 1001, and the other end is clamped to the clamping assembly 300.

[0061] In the embodiment, the two ends of the target piece 200 are connected to the connector 1001 and the clamping assembly 300 respectively, so as to be fixed to the circuit board 100.

[0062] Referring to Figures 2 to 6 In the embodiment, the clamping assembly 300 comprises a fastener 10 and a clamping support 20, the fastener 10 is used for connecting the circuit board 100 and supporting the target piece 200, and the clamping support 20 comprises a base 201 and an elastic part 202. The base 201 comprises a bottom plate 2011 and two vertical walls 2015, the bottom plate 2011 is connected to the fastener 10, and the two vertical walls 2015 are connected to the bottom plate 2011 at intervals. The elastic part 202 comprises a connecting segment 2021 and a pressing segment 2022, the connecting segment 2021 is connected between the two vertical walls 2015, and the pressing segment 2022 is in a cantilever shape, one end of which is connected to the connecting segment 2021 and the other end of which extends towards the bottom plate 2011. The pressing segment 2022 is provided with a pressing surface 2023 on the end close to the bottom plate 2011, which faces the fastener 10. The pressing surface 2023 can be limited on the side of the target piece 200 away from the fastener 10, or can be laterally away from the target piece 200 under the action of an external force, so as to allow the target piece 200 to be disassembled.

[0063] In the embodiment, the clamping support 20 is matched with the fastener 10 to form the clamping assembly 300, and the clamping assembly 300 is connected to the circuit board 100. The clamping support 20 comprises the base 201 and the elastic part 202, the elastic part 202 is connected to the base 201, the elastic part 202 is provided with the pressing segment 2022, the target piece 200 is locked between the pressing segment 2022 and the fastener 10, and the elastic part 202 can be laterally away from the target piece 200 under the action of an external force, so as to allow the target piece 200 to be disassembled. The clamping and fixing operation is simple and convenient, and the assembly efficiency is relatively high.

[0064] In the embodiment, the fastener 10 is provided with a supporting surface 104, which is arranged on the side of the fastener 10 facing the pressing segment 2022. The pressing segment 2022 comprises a guide inclined surface 2024, which is connected to the side of the pressing surface 2023 away from the fastener 10 and can guide the target piece 200 to be clamped between the pressing surface 2023 and the supporting surface 104.

[0065] In the embodiment, the guiding slope 2024 is connected to the abutting surface 2023 at one end, and the guiding slope 2024 and the abutting surface 2023 are arranged at an angle and extend away from the target piece 200, so that the target piece 200 can be tilted to abut against the guiding slope 2024 when assembled, and drive the abutting section 2022 to move away from the target piece 200, so as to allow the target piece 200 to be clamped between the abutting surface 2023 and the supporting surface 104.

[0066] In one possible implementation, the fastener 10 has a column section 101, a first supporting plate 102, and a second supporting plate 103. The column section 101 is used to be connected to the circuit board 100. The first supporting plate 102 and the second supporting plate 103 are connected to the outer periphery of the column section 101 at intervals along the axial direction. The bottom plate 2011 is clamped between the supporting plates and the limiting plate. The surface of the second supporting plate 103 away from the first supporting plate 102 is used to support the target piece 200.

[0067] In the embodiment, the column section 101 of the fastener 10 is provided with threads to be screwed to the circuit board 100. In other embodiments, the fastener 10 can also be connected to the circuit board 100 in other ways.

[0068] In another embodiment, the column section 101 of the fastener 10 is also provided with a screw hole, and the clamping assembly 300 includes a fixing screw that is fitted into the screw hole, and the target piece 200 is clamped between the fixing screw and the fastener 10. In this way, the target piece 200 can be fixed to the circuit board 100 in different ways in different use scenarios, improving the versatility of the clamping assembly 300.

[0069] In the embodiment, the bottom plate 2011 is provided with a guiding groove 2012 and a circular groove 2013 that penetrate through the thickness of the bottom plate 2011. One end of the guiding groove 2012 communicates with the circular groove 2013, and the other end penetrates through the edge of the plate surface of the bottom plate 2011. The guiding groove 2012 is used to guide the fastener 10 into the circular groove 2013 to fix the bottom plate 2011 between the first supporting plate 102 and the second supporting plate 103.

[0070] In the embodiment, the circular groove 2013 is connected to the guiding groove 2012 and forms an opening 2016. The fastener 10 can be clamped into the bottom plate 2011 along the guiding groove 2012 and abut against the opening 2016 of the circular groove 2013. The size of the opening 2016 is slightly smaller than the diameter of the column section 101 of the fastener 10. The column section 101 of the fastener 10 abuts against the opening 2016 of the circular groove 2013 and slightly expands the opening 2016, so that the column section 101 of the fastener 10 enters the circular groove 2013. In this way, the clamping bracket 20 can be fixed to the fastener 10 without using auxiliary tools, simplifying the installation of the clamping bracket 20.

[0071] In the embodiment, the circular groove 2013 has the same diameter as the column segment 101 of the fastener 10.

[0072] In the embodiment, the target piece 200 further comprises a grounding end 2001, which is arranged at one end of the target piece 200 close to the pressing segment 2022. The pressing surface 2023 is arranged at an angle with the bottom plate 2011 and extends away from the bottom plate 2011. In the assembled state, the pressing surface 2023 is inclined to press against the target piece 200, so that the pressing segment 2022 elastically presses against the target piece 200, and the grounding end 2001 is abutted to the fastener 10.

[0073] In the embodiment, the fastener 10 is made of conductive material, and the grounding end 2001 is abutted to the fastener 10 to be electrically connected to the circuit board 100.

[0074] In the embodiment, the clamping assembly 300 further comprises a pulling piece 203, which comprises a pulling plate 2031 and a connecting rod 2032 connected between the pulling plate 2031 and the pressing segment 2022. The pulling plate 2031 is arranged at a side of the pressing segment 2022 away from the target piece 200. The pulling plate 2031 has a pressing portion 2033 arranged at a side of the pulling plate 2031 away from the bottom plate 2011 in the vertical direction, and a supporting portion 2034 arranged at a side of the pulling plate 2031 close to the bottom plate 2011 in the vertical direction, so that in the unlocking state, the supporting portion 2034 can be supported on the bottom plate 2011, and the pressing portion 2033 can drive the pressing segment 2022 to elastically retreat under the action of an external force, so as to release the locking of the target piece 200 by the pressing surface 2023.

[0075] In the embodiment, the pulling plate 2031 is arranged in the vertical direction, and one side plate surface faces the pressing segment 2022. One end of the connecting rod 2032 is connected to the middle part of the pulling plate 2031, and the other end is connected to the pressing segment 2022. In the unlocking process, the external force presses the pressing portion 2033, so that the supporting portion 2034 is supported on the bottom plate 2011, and then the external force drives the pressing portion 2033 to move away from the target piece 200, so as to drive the pressing segment 2022 to elastically retreat, so as to release the locking of the target piece 200 by the pressing surface 2023. The unlocking does not require auxiliary tools, and the pressing portion 2033 is located away from the circuit board 100, so the operation is simple and convenient.

[0076] In the embodiment, the supporting portion 2034 comprises two supporting protrusions 2035, which are spaced apart to allow the fastener 10 to pass through the space between the supporting protrusions 2035 and enter the guide groove 2012.

[0077] In the embodiment, the bottom plate 2011 further comprises a support leg 2014, which is disposed on the side of the bottom plate 2011 away from the target piece 200 along the length direction, and abuts against the circuit board 100 along the vertical direction to support the bottom plate 2011.

[0078] In the embodiment, the bottom plate 2011 has two support legs 2014, which are spaced apart on the bottom plate 2011. The first support plate 102 has a bottom surface 1021 facing the circuit board 100, and the support point of the support leg 2014 is disposed in the same plane as the bottom surface 1021, so that the support leg 2014 cooperates with the first support plate 102 to support the bottom plate 2011.

[0079] In other embodiments, the bottom plate 2011 is provided with a plurality of support legs 2014, which are spaced apart from each other and disposed on the bottom plate 2011.

[0080] In the embodiment, the target piece 200 is provided with a clearance groove 2002, which is formed on the side of the target piece 200 close to the clamping bracket 20 and corresponds to the fastener 10.

[0081] In the embodiment, in the assembled state, the column segment 101 of the fastener 10 can extend into the clearance groove 2002, so that the target piece 200 is fixed between the abutting surface 2023 and the support surface 104.

[0082] In the embodiment, the target piece 200 is an M.2 card. The target piece 200 is fixed and electrically connected to the circuit board 100 at the end away from the clamping assembly 300 along the length direction. When the target piece 200 is in the assembled state, the end of the target piece 200 close to the clamping assembly 300 along the length direction is locked between the abutting surface 2023 and the fastener 10. When the target piece 200 is in the unlocked state, the abutting segment 2022 is away from the other end of the target piece 200 under the action of an external force, so as to unlock the locking of the other end of the target piece 200 by the abutting surface 2023.

[0083] In other embodiments, the target piece 200 can also be other strip-shaped elements.

[0084] In summary, in the embodiment of the present application, the clamping assembly 300 is fixed to the circuit board 100 by the fastener 10. In the assembled state, the abutting section 2022 of the clamping assembly 300 cooperates with the second support plate 103 of the fastener 10 to fix the target piece 200 to the circuit board 100. When the target piece 200 is unlocked, the abutting section 2022 is connected with the pull plate 2031. An external force can press the pressing portion 2033 of the pull plate 2031, thereby driving the abutting section 2022 to elastically retreat, so as to unlock the locking of the target piece 200. The clamping assembly 300 of the embodiment is installed on the circuit board 100 by clamping the clamping assembly 300 to the fastener 10. The installation is convenient. The unlocking of the target piece 200 is realized by pressing the pressing portion 2033. The operation is simple. The assembly efficiency is improved.

[0085] The above embodiments are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the above preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the spirit and scope of the present application.

Claims

1. A snap-fit ​​assembly for assembling a target component onto a circuit board, characterized in that, The clamping assembly comprises: a fastener for connecting to the circuit board and supporting the target object; and a clamping bracket comprising a base and an elastic part; the base comprises a bottom plate and two vertical walls, the bottom plate is connected to the fastener, and the two vertical walls are connected to the bottom plate at a distance from each other; the elastic part comprises a connecting segment and a pressing segment, the connecting segment is connected between the two vertical walls, and the pressing segment is in a cantilever shape with one end connected to the connecting segment and the other end extending towards the bottom plate; the pressing segment has a pressing surface on the end close to the bottom plate, which faces the fastener; wherein the pressing surface is arranged on the side of the target object away from the fastener, and can be laterally away from the target object under the action of an external force to allow the target object to be removed.

2. The clamping assembly according to claim 1, wherein: the fastener has a supporting surface arranged on the side of the fastener facing the pressing segment; the pressing segment comprises a guide inclined surface connected to the side of the pressing surface away from the fastener and capable of guiding the target object to be clamped between the pressing surface and the supporting surface.

3. The clamping assembly according to claim 1, wherein: the fastener has a column segment, a first supporting plate and a second supporting plate; the column segment is used for connecting to the circuit board; the first supporting plate and the second supporting plate are connected to the outer periphery of the column segment at a distance along the axial direction; the bottom plate is clamped between the first supporting plate and the second supporting plate; the surface of the second supporting plate away from the first supporting plate is used for supporting the target object.

4. The clamping assembly according to claim 3, wherein: the bottom plate is provided with a guide groove and a circular groove penetrating through in the thickness direction, one end of the guide groove communicates with the circular groove, and the other end penetrates through the edge of the plate surface of the bottom plate; the guide groove is used for guiding the fastener into the circular groove to fix the bottom plate between the first supporting plate and the second supporting plate.

5. The clamping assembly according to claim 1, wherein: the target object further comprises a grounding end arranged on the end of the target object close to the pressing segment; the pressing surface is arranged at an angle with the bottom plate, and in the assembled state, the pressing surface is inclined to press against the target object, so that the elastic pressing segment presses against the target object and the grounding end is abutted to the fastener.

6. The clamping assembly according to claim 1, wherein: the clamping assembly further comprises a pulling piece comprising a pulling plate and a connecting rod connected between the pulling plate and the pressing segment; the pulling plate is arranged on the side of the pressing segment away from the target object, and the pulling plate has a pressing part arranged on the side of the pulling plate away from the bottom plate in the vertical direction and a supporting part arranged on the side of the pulling plate close to the bottom plate in the vertical direction, so that in the unlocking state, the supporting part can be supported on the bottom plate, and the pressing part can drive the pressing segment to elastically retreat through the connecting rod under the action of an external force to release the locking of the pressing surface to the target object.

7. The card assembly of claim 1, wherein: the bottom plate further comprises a supporting leg disposed on a side of the bottom plate away from the target piece in a length direction, the supporting leg abutting the circuit board in a vertical direction to support the bottom plate.

8. The card assembly of claim 1, wherein: the target piece is provided with a clearance slot, the clearance slot being formed on a side of the target piece close to the card holder, the clearance slot corresponding to the fastener.

9. The card assembly of claim 1, wherein: the target piece is an M.2 card; an end of the target piece away from the card assembly in a length direction is fixed and electrically connected to the circuit board; when the target piece is in an assembled state, an end of the target piece close to the card assembly in the length direction is locked between the pressing surface and the fastener; when the target piece is in an unlocked state, the pressing segment is away from the other end of the target piece under the action of an external force to unlock the locking of the pressing surface to the other end of the target piece.

10. A circuit board assembly, characterized by comprising: a target piece; a circuit board having a connector; the card assembly of any one of claims 1-9; the card assembly is connected to the circuit board; an end of the target piece is electrically connected to the connector, and the other end is connected to the card assembly.

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