CN219248185U

CN219248185U - Circuit board fixing seat structure

Info

Publication number: CN219248185U
Application number: CN202220115837.0U
Authority: CN
Inventors: 李娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2023-06-23
Anticipated expiration: 2032-01-17

Abstract

The utility model discloses a circuit board fixing seat structure, which comprises a fixing seat fixed on a circuit board, wherein a carrier for bearing an electronic device and an elastic buckling arm positioned beside the carrier are arranged on the fixing seat, the upper end of the elastic buckling arm is provided with a buckling body for buckling and fixing the electronic device to lock the electronic device on the carrier, a locking space for locking the electronic device is formed between the buckling body and the carrier, and a guide inclined plane is arranged at the upper end of the buckling body; when the electronic device is pressed on the guide inclined plane, the upper end of the elastic buckling arm is driven to outwards bend and deform. The utility model can lock the electronic device on the fixed seat by directly pressing down the other end of the electronic device, thereby locking the other end of the electronic device on the circuit board, the operation is very convenient, the quick replacement can be realized, the assembly efficiency is very high, the structure is simple, the parts are few, and the utility model has very strong market competitiveness.

Description

Circuit board fixing seat structure

Technical field:

the utility model relates to the technical field of electronics, in particular to a circuit board fixing seat structure.

The background technology is as follows:

when the electronic device (such as an M.2 solid state disk) is connected and assembled with the circuit board, one end of the electronic device is required to be inserted into a connector arranged on the circuit board and electrically connected, the other end of the electronic device is arranged on a positioning column arranged on the circuit board and spirally fixed on the positioning column through a hole site of the circuit board by a screw, so that the other end of the electronic device is fastened on the circuit board, the whole electronic device is finally stably assembled on the circuit board, and the electronic device and the circuit board are ensured to be electrically connected in a stable mode.

The above assembly mode needs the screw locking, no matter installation or removal, all need dismantle the screw, and its operation is got up comparatively loaded down with trivial details, and the equipment speed is slow, inefficiency, and the screw is small moreover, also appears the stability that the screw was lost easily in the equipment in-process, causes great puzzlement to the operator.

In view of this, the present inventors have proposed the following means.

The utility model comprises the following steps:

the utility model aims to overcome the defects of the prior art and provides a circuit board fixing seat structure.

In order to solve the technical problems, the utility model adopts the following technical scheme: the circuit board fixing seat structure comprises a fixing seat fixed on a circuit board, a carrying platform for carrying an electronic device and an elastic buckling arm positioned beside the carrying platform are arranged on the fixing seat, the upper end of the elastic buckling arm is provided with a buckling body for buckling and fixing the electronic device to lock the electronic device on the carrying platform, a locking space for locking the electronic device is formed between the buckling body and the carrying platform, and a guide inclined plane is arranged at the upper end of the buckling body; when the electronic device is pressed on the guide inclined plane, the upper end of the elastic buckling arm is driven to outwards bend and deform.

Furthermore, in the above technical solution, a handle is provided outside the upper end of the elastic buckling arm.

Furthermore, in the above technical solution, the cross section of the carrier is in a convex shape, and the carrier comprises a base body integrally formed on the fixing base and a limit boss formed at the upper end of the base body, a bearing groove is formed between the periphery of the limit boss and the upper end of the base body, and the buckle body is arranged above the bearing groove; the shape of the limiting boss is matched with the shape of the positioning opening at the end part of the electronic device, and the limiting boss is embedded into the positioning opening.

Furthermore, in the above technical scheme, the elastic buckling arm is a plastic piece or a die casting, and is fixed on the fixing seat in an integrated forming manner, and forms an undetachable whole with the fixing seat.

Furthermore, in the above technical solution, the elastic buckling arm is an independent metal piece, and is mounted on the fixing seat in an assembled manner.

Furthermore, in the above technical scheme, the elastic buckling arm is in a U shape or a V shape, a movable groove is provided at the upper end of the fixing seat, and the elastic buckling arm is inserted into the movable groove and is bent and deformed in the movable groove.

In the above technical solution, the elastic buckling arm includes a main body, an arc-shaped bending part formed at the lower end of the main body, an elastic arm body formed at the upper end of the arc-shaped bending part in a bending and extending manner, and two buckling bodies respectively formed at two sides of the upper end of the elastic arm body in a bending manner, wherein the buckling bodies extend out of the front end of the elastic arm body; the main body part is stamped to form a card for clamping and positioning with the inner wall of the movable groove.

Furthermore, in the above technical scheme, the inner wall of the movable groove is provided with a limit groove, two sides of the main body part are formed with outwardly protruding limit pieces, the limit pieces are clamped and fixed on the inner wall of the limit groove, so that the main body part is fixed in the movable groove, the elastic arm body is arranged in the movable groove and can be bent and deformed in the movable groove, and the upper end of the elastic arm body extends out of the upper end of the movable groove.

In the above technical scheme, further, a threaded column is formed at the lower end of the fixing seat; the circuit board is fixedly provided with a plurality of nuts distributed in a row, and the fixing seat is spirally fixed in any one nut through the threaded column so as to be fixed on the circuit board.

Further, in the above technical solution, a positioning groove is provided on the periphery of the nut, and a side wall of the positioning groove is provided as the first inclined guiding surface; the lower end of the fixing seat is provided with a limiting lug matched with the positioning groove, the limiting lug is provided with a second inclined guide surface, and the limiting lug slides into the positioning groove.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: when the electronic device is specifically used, one end of the electronic device is connected with the connector arranged on the circuit board, the other end of the electronic device is pressed on the guide inclined plane at the upper end of the buckle body from top to bottom, the upper end of the elastic buckle arm is driven to bend outwards through the guide inclined plane, so that the electronic device can be continuously pressed down, when the other end of the electronic device is pressed down to cross the buckle body, the elastic buckle arm resets through self elastic force to drive the buckle body to be buckled on the upper end face of the other end of the electronic device, so that the other end of the electronic device is locked in the locking space, the electronic device is fixed on the circuit board, and stable electrical conduction can be realized through the connector and the circuit board.

Description of the drawings:

FIG. 1 is a perspective view of a first embodiment of the present utility model;

FIG. 2 is a perspective view of an alternative embodiment of the present utility model;

FIG. 3 is an exploded perspective view of a first embodiment of the present utility model;

FIG. 4 is a perspective view of an elastic latch arm according to a first embodiment of the present utility model;

FIG. 5 is a perspective view of a first embodiment of the present utility model;

FIG. 6 is an assembly view of a first embodiment of the present utility model with a nut;

FIG. 7 is an assembly diagram of a first embodiment of the present utility model with a circuit board and an electronic device;

FIG. 8 is a perspective view of a nut according to a first embodiment of the present utility model;

fig. 9 is a perspective view of a second embodiment of the present utility model;

FIG. 10 is a perspective view of a second alternative view of an embodiment of the present utility model;

FIG. 11 is an assembly view of a nut and a second embodiment of the present utility model;

fig. 12 is an assembly diagram of a circuit board and an electronic device according to a second embodiment of the utility model.

The specific embodiment is as follows:

the utility model will be further described with reference to specific examples and figures.

Embodiment one:

referring to fig. 1-8, the circuit board fixing seat structure comprises a fixing seat 2 fixed on a circuit board 1, a connector 6 is further arranged on the circuit board 1, one end of the electronic device 5 is connected with the connector 6, and the other end is carried on the fixing seat 2 and can be locked by the fixing seat 2.

The connector 6 is fixed on the circuit board 1 for plugging the electronic device 5 and forming an electrical connection, so that data can be stably transmitted. In this embodiment, the electronic device 5 is an m.2 solid state disk, and the m.2 solid state disk is plugged into the connector 6 and has a function of bouncing up, i.e. the connector 6 can drive the other end of the m.2 solid state disk to tilt up. The m.2 solid state disk is a solid state disk with an m.2 interface, and is generally applied to a circuit board due to small size and high-speed transmission performance, for example, most computers currently use the m.2 solid state disk.

The fixing base 2 is provided with a carrying platform 3 and an elastic buckling arm 4 which is positioned beside the carrying platform 3 and can form elastic deformation, wherein the carrying platform 3 is integrally formed on the fixing base 2, the carrying platform 3 is used for carrying the electronic device 5, the upper end of the elastic buckling arm 4 is provided with a buckling body 41 which is used for buckling and fixing the electronic device 5 to lock the electronic device 5 on the carrying platform 3, a locking space 40 for locking the electronic device is formed between the buckling body 41 and the carrying platform 3, that is, the other end of the electronic device 5 is carried on the carrying platform 3, and the buckling body 41 is buckled and fixed on the upper end face of the other end of the electronic device 5, so that the electronic device 5 is locked on the carrying platform 3 and is placed in the locking space 40.

The upper end of the buckle body 41 is provided with a guiding inclined plane 411, and when the electronic device 5 is pressed on the guiding inclined plane 411, the upper end of the elastic buckle arm 4 is driven to bend outwards.

When the electronic device is specifically used, one end of the electronic device 5 is connected with the connector 6 arranged on the circuit board 1, the other end of the electronic device 5 is pressed on the guide inclined plane 411 at the upper end of the buckle body 41 from top to bottom, the upper end of the elastic buckle arm 4 is driven to bend outwards through the guide inclined plane 411, so that the electronic device 5 can be continuously pressed down, when the other end of the electronic device 5 is pressed down to pass over the buckle body 41, the elastic buckle arm 4 resets through self elastic force to drive the buckle body 41 to buckle the other end of the electronic device 5 to the upper end face of the electronic device 5, so that the other end of the electronic device 5 is locked in the locking space 40, thereby realizing the fixation of the electronic device 5 on the circuit board 1, and stable electrical conduction can be formed between the connector 6 and the circuit board 1.

The outer side of the upper end of the elastic buckling arm 4 is provided with a handle 42. When the electronic device 5 locked by the buckling body 41 needs to be unlocked, the handle 42 of the elastic buckling arm 4 is directly pushed by a finger to drive the elastic buckling arm 4 to bend and deform until the buckling body 41 of the elastic buckling arm 4 leaves the other end of the electronic device 5, at this time, the other end of the electronic device 5 can be moved upwards to leave the buckling body 41 of the elastic buckling arm 4, and thus the electronic device 5 can be unlocked, and the operation is very convenient. And after releasing the handle 42 of the elastic buckling arm 4, the elastic buckling arm 4 automatically resets by self elastic deformation capability so as to prepare for the next locking.

The carrier 3 comprises a base 31 integrally formed on the fixed base 2 and a limiting boss 32 formed at the upper end of the base 31, a bearing groove 33 is formed between the periphery of the limiting boss 32 and the upper end of the base 31, and the buckle 41 is arranged above the bearing groove 33. The carrying groove 33 is used for carrying the other end of the electronic device 5 and also has the purpose of positioning the other end of the electronic device 5. The shape of the limit boss 32 is adapted to the shape of the positioning opening 51 at the end of the electronic device 5, and the limit boss 32 is embedded into the positioning opening 51, so as to position the other end of the electronic device 5.

The assembly structure of the fixing seat 2 and the elastic buckling arm 4 is as follows: the elastic buckling arm 4 is an independent metal piece, and is installed on the fixing seat 2 in an assembling mode, and is of a two-piece structure, and the elastic buckling arm 4 of the metal piece has the advantage of strong elastic deformation capability.

Specifically, the elastic buckling arm 4 is in a U shape or a V shape, a movable groove 21 is provided at the upper end of the fixing seat 2, the elastic buckling arm 4 is inserted in the movable groove 21 and is bent and deformed in the movable groove 21, and free deformation after being stressed can be realized, so that the working quality of the elastic buckling arm 4 is ensured.

The elastic buckling arm 4 comprises a main body 43, an arc-shaped bending part 44 formed at the lower end of the main body 43 in a bending way, an elastic arm body 45 formed at the upper end of the arc-shaped bending part 44 in a bending way, and two buckling bodies 41 respectively formed at two sides of the upper end of the elastic arm body 45 in a bending way, wherein the buckling bodies 41 extend out of the front end of the elastic arm body 45; the main body 43 is punched with a card 430 for holding and positioning with the inner wall of the movable groove 21. The inner wall of the movable slot 21 is provided with a limit slot 211, two sides of the main body 43 are provided with limit pieces 431 protruding outwards, the limit pieces 431 are clamped and fixed on the inner wall of the limit slot 211, and the clamping pieces 430 of the main body 43 are clamped and positioned with the inner wall of the movable slot 21, so that the main body 43 is fixed in the movable slot 21, the elastic arm body 45 is arranged in the movable slot 21 and can be bent and deformed in the movable slot 21, and the upper end of the elastic arm body 45 extends out of the upper end of the movable slot 21.

A threaded column 22 is formed at the lower end of the fixed seat 2; the circuit board 1 is fixed with a plurality of nuts 11 distributed in a row, and the fixing seat 2 is screwed in any nut 11 through a threaded column 22 so as to be fixed on the circuit board 1, and the circuit board 1 is not damaged. Furthermore, since the circuit board 1 is fixed with the plurality of nuts 11 distributed in a row, the distances between the plurality of nuts 11 and the connector 6 are different, so that the circuit board is applicable to locking the electronic devices 5 with different lengths and sizes, specifically, for the electronic device 5 with longer size, the nut 11 with a longer distance from the connector 6 can be rotationally used, the threaded column 22 of the fixing seat 2 can be spirally arranged on the nut 11, so that the fixing seat 2 is fastened on the nut 11, and the electronic device 5 can be locked through the elastic buckling arm 4 at the later stage, so that the circuit board can lock the electronic devices with different sizes, has wider application range and is more convenient to use.

The periphery of the nut 11 is provided with a positioning groove 111, and one side wall of the positioning groove 111 is provided with a first inclined guide surface 112; the lower end of the fixed seat 2 is formed with a limit bump 23 adapted to the positioning slot 111, and a second inclined guiding surface 231 is formed on the limit bump 23, and the limit bump 23 slides into the positioning slot 111. When the electronic device is specifically used, the fixing seat 2 is spirally mounted on the nut 11 through the threaded post 22, and after the fixing seat is screwed in place, the limiting projection 23 slides into the positioning groove 111, so that the relative position of the buckle body 41 at the upper end of the elastic buckle arm 4 is ensured, the buckle body 41 can be ensured to be always positioned at a position capable of blocking the electronic device 5 which is pressed down in a normal state, and the electronic device 5 can be pressed on the guide inclined plane 411 of the buckle body 41 after being pressed down.

In addition, since one side wall of the positioning groove 111 is provided with the first inclined guiding surface 112, and the second inclined guiding surface 231 is formed on the limiting bump 23, the fixing seat 2 and the nut 11 are more convenient to be assembled and disassembled.

The rear side of the nut 11 is bent to form a pin 113, and when the nut 11 is installed in the mounting hole of the circuit board 1, the pin 113 is simultaneously inserted into the insertion hole of the circuit board 1 located beside the mounting hole, so that the nut 11 is fixed on the circuit board 1.

In summary, in the present utility model, when the electronic device 5 is specifically used, one end of the electronic device 5 is connected with the connector 6 disposed on the circuit board 1, the other end of the electronic device 5 is pressed against the guiding inclined plane 411 at the upper end of the buckle body 41 from top to bottom, and the upper end of the elastic buckle arm 4 is driven to bend and deform outwards through the guiding inclined plane 411, so that the electronic device 5 can be continuously pressed down, when the other end of the electronic device 5 is pressed down beyond the buckle body 41, the elastic buckle arm 4 is reset by self elastic force, so as to drive the other end of the electronic device 5 to buckle against the upper end surface of the other end of the electronic device 5, so as to lock the other end of the electronic device 5 in the locking space 40, thereby realizing the fixation of the electronic device 5 on the circuit board 1, and forming stable electrical conduction with the circuit board 1 through the connector 6.

Embodiment two:

referring to fig. 9 to 12, the second embodiment is different from the first embodiment in that: the elastic buckling arm (4) is a plastic part or a die casting, is fixed on the fixing seat (2) in an integrated forming mode, and forms an undetachable whole with the fixing seat (2). Specifically, the elastic buckling arm 4 is a plastic part, and is integrally formed on the fixed seat 2 in an injection molding manner, and forms an integral body which is not detachable with the fixed seat 2, or the elastic buckling arm 4 is a die casting, and is integrally formed on the fixed seat 2 in a die casting manner, and forms an integral body which is not detachable with the fixed seat 2.

The fixing base 2 in the second embodiment does not need to be provided with the movable groove 21, and is not assembled, so that the structure of the elastic buckling arm 4 and the fixing base 2 is simpler, parts are fewer, and cost is low, but compared with the elastic buckling arm 4 of a metal piece, the elastic buckling arm 4 of a plastic piece has slightly lacking elastic deformation capability.

In addition, other structures of the second embodiment are the same as those of the first embodiment, and the same technical effects can be achieved, and will not be described in detail herein.

It is understood that the foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.

Claims

1. Circuit board fixing base structure, its characterized in that: the electronic device comprises a fixed seat (2) fixed on a circuit board (1), a carrying platform (3) for carrying an electronic device (5) and an elastic buckling arm (4) positioned beside the carrying platform (3) are arranged on the fixed seat (2), a buckling body (41) for buckling and fixing the electronic device (5) on the carrying platform (3) is arranged at the upper end of the elastic buckling arm (4), a locking space (40) for locking the electronic device (5) is formed between the buckling body (41) and the carrying platform (3), a guide inclined surface (411) is arranged at the upper end of the buckling body (41), and after the electronic device (5) is pressed on the guide inclined surface (411), the upper end of the elastic buckling arm (4) is driven to outwards bend and deform.

2. The circuit board holder structure of claim 1, wherein: the outer side of the upper end of the elastic buckling arm (4) is provided with a handle (42).

3. The circuit board holder structure of claim 1, wherein: the carrying platform (3) comprises a base body (31) integrally formed on the fixed seat (2) and a limiting boss (32) formed at the upper end of the base body (31), a bearing groove (33) is formed between the periphery of the limiting boss (32) and the upper end of the base body (31), and the buckle body (41) is arranged above the bearing groove (33); the shape of the limit boss (32) is matched with the shape of a positioning opening (51) at the end part of the electronic device (5), and the limit boss (32) is embedded into the positioning opening (51).

4. A circuit board holder structure according to any one of claims 1-3, wherein: the elastic buckling arm (4) is a plastic part or a die casting, is fixed on the fixing seat (2) in an integrated forming mode, and forms an undetachable whole with the fixing seat (2).

5. A circuit board holder structure according to any one of claims 1-3, wherein: the elastic buckling arm (4) is an independent metal piece and is installed on the fixing seat (2) in an assembling mode.

6. The circuit board holder structure of claim 5, wherein: the elastic buckling arm (4) is U-shaped or V-shaped, a movable groove (21) is formed in the upper end of the fixed seat (2), and the elastic buckling arm (4) is inserted into the movable groove (21) and is bent and deformed in the movable groove (21).

7. The circuit board mounting bracket structure of claim 6, wherein: the elastic buckling arm (4) comprises a main body part (43), an arc-shaped bending part (44) formed at the lower end of the main body part (43) in a bending way, an elastic arm body (45) formed at the upper end of the arc-shaped bending part (44) in a bending way, and two buckling bodies (41) respectively formed at two sides of the upper end of the elastic arm body (45) in a bending way, wherein the buckling bodies (41) extend out of the front end of the elastic arm body (45); the main body part (43) is stamped with a card (430) for clamping and positioning with the inner wall of the movable groove (21).

8. The circuit board mounting bracket structure of claim 7, wherein: the inner wall of the movable groove (21) is provided with a limit groove (211), two sides of the main body part (43) are provided with limit pieces (431) protruding outwards, the limit pieces (431) are clamped and fixed on the inner wall of the limit groove (211), the main body part (43) is fixed in the movable groove (21), the elastic arm body (45) is arranged in the movable groove (21) and can be bent and deformed in the movable groove (21), and the upper end of the elastic arm body (45) extends out of the upper end of the movable groove (21).

9. A circuit board holder structure according to any one of claims 1-3, wherein: a threaded column (22) is formed at the lower end of the fixed seat (2); the circuit board (1) is fixedly provided with a plurality of nuts (11) distributed in a row, and the fixing seat (2) is spirally fixed in any one of the nuts (11) through a threaded column (22) so as to be fixed on the circuit board (1).

10. The circuit board mounting bracket structure of claim 9, wherein: a positioning groove (111) is formed in the periphery of the nut (11), and one side wall of the positioning groove (111) is provided with a first inclined guide surface (112); the lower end of the fixed seat (2) is provided with a limiting lug (23) which is matched with the positioning groove (111), the limiting lug (23) is provided with a second inclined guide surface (231), and the limiting lug (23) slides into the positioning groove (111).