Fixing assembly for circuit board and display device

Abstract

The utility model relates to the technical field of household appliances, and discloses a fixing assembly for a circuit board. The fixing assembly comprises a mounting plate, a fixing buckle and an elastic buckle. The mounting plate comprises a mounting area which is used for mounting a circuit board; the fixing buckle is arranged on the mounting plate; the elastic buckle is arranged on the mounting plate, the elastic buckle is provided with a clamping bulge corresponding to the mounting area, and the elastic buckle is made of an elastic material; wherein the fixed buckle and the elastic buckle are oppositely arranged on the two sides of the mounting area; under the condition that the circuit board is installed in the installation area, the fixing buckle and the elastic buckle can be connected to the two sides of the circuit board in a clamped mode respectively. Through the arrangement, the circuit board is more convenient to mount, the circuit board can be prevented from falling off from the mounting plate, and the use experience of a user is improved. Meanwhile, the utility model further discloses a display device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, for example to a fixing assembly for a circuit board and a display device. BACKGROUND

[0002] Television / video, is the abbreviation of color TV, is mainly used by electricity in real time transmission of moving visual image. With the development of science and technology, the user's demand for television is also increasing. Therefore, the function of the existing television is more and more rich, in order to meet the needs of users for different functions, which also leads to the manufacturer to set circuit board in the television as the key or interface of the television.

[0003] In the related art, the current television will install the circuit board on the back cover of the television, and fix the circuit board on the back cover of the television by screws and other fasteners or adhesives and other bonding members.

[0004] In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

[0005] In the related art, the existing television will fix the circuit board on the back cover of the television by screws and other fasteners or adhesives and other bonding members. However, the method of installing by fasteners is relatively complex, and the method of installing by bonding members may have the risk of opening glue and causing the circuit board to fall off, and the user experience is not good.

[0006] It should be noted that the information disclosed in the above background section is only used to strengthen the understanding of the background of the present application, and therefore can include information that does not constitute prior art known to those of ordinary skill in the art. Content of the utility model

[0007] In order to have a basic understanding of some aspects of the disclosed embodiments, the following is a simple summary. The summary is not a general review, nor is it intended to determine the key / important elements or delineate the scope of protection of these embodiments, but as a prelude to the detailed description below.

[0008] The fixing assembly for a circuit board and the display device provided by the embodiments of the present disclosure can first clamp one side of the circuit board to the fixing buckle, and then clamp the other side of the circuit board to the elastic buckle. In this way, the installation of the circuit board is more convenient, and the circuit board can be prevented from falling off the mounting plate, thereby improving the user experience.

[0009] The fixing assembly for the circuit board provided by the embodiments of the present disclosure comprises a mounting plate, a fixing buckle and an elastic buckle. The mounting plate comprises a mounting area for mounting the circuit board; the fixing buckle is arranged on the mounting plate; the elastic buckle is arranged on the mounting plate and is provided with a clamping protrusion corresponding to the mounting area, and the elastic buckle is made of elastic material; wherein the fixing buckle and the elastic buckle are arranged on opposite sides of the mounting area; in the case that the circuit board is mounted on the mounting area, the fixing buckle and the elastic buckle can be clamped on the two sides of the circuit board respectively.

[0010] In some embodiments, the elastic buckle comprises a clamping rib and a connecting rib. The clamping rib is arranged parallel to the mounting area and is provided with a clamping protrusion corresponding to the mounting area; the connecting rib is arranged at the end of the clamping rib and is used for fixedly connecting the clamping rib to the mounting plate; wherein the clamping rib is made of elastic material.

[0011] In some embodiments, the clamping rib is provided with a plurality of clamping protrusions, and the plurality of clamping protrusions are arranged along the length direction of the clamping rib.

[0012] In some embodiments, the length of the clamping rib is greater than or equal to a preset length; wherein the front half of the clamping rib is provided with at least one clamping protrusion, and the rear half of the clamping rib is also provided with at least one clamping protrusion.

[0013] In some embodiments, the middle part of the clamping rib is provided with a fixing structure for fixing the middle part of the clamping rib to the mounting plate.

[0014] In some embodiments, the side of the clamping protrusion away from the mounting plate is provided with an inclined surface; wherein the circuit board can press the inclined surface to push the clamping rib to move in the direction away from the circuit board.

[0015] In some embodiments, the fixing assembly further comprises a plurality of positioning structures. The plurality of positioning structures are arranged along the circumferential side of the mounting area, and the positioning structures can abut against the edge of the circuit board; wherein at least one positioning structure is arranged corresponding to any side edge of the circuit board.

[0016] In some embodiments, the clamping rib is also provided with a positioning protrusion corresponding to the mounting area to constitute the positioning structure, and the positioning protrusion is located below the clamping protrusion; wherein the clamping protrusion and the positioning protrusion can abut against the upper end surface and the lower end surface of the circuit board respectively.

[0017] In some embodiments, the positioning protrusion is arranged at the end of the clamping rib.

[0018] The embodiments of the present disclosure also provide a display device comprising a display device body and the above-mentioned fixing assembly for the circuit board. The display device body comprises a cabinet and a circuit board; the fixing assembly can be mounted on the cabinet, and the circuit board can be mounted on the fixing assembly.

[0019] The fixing assembly for the circuit board and the display device provided by the embodiments of the present disclosure can achieve the following technical effects:

[0020] The fixing assembly for the circuit board provided by the embodiments of the present disclosure comprises a mounting plate, a fixing buckle and an elastic buckle. The mounting plate comprises a mounting area for mounting the circuit board; the fixing buckle is arranged on the mounting plate; the elastic buckle is arranged on the mounting plate, and the elastic buckle is provided with a clamping protrusion corresponding to the mounting area, and is made of an elastic material; wherein the fixing buckle and the elastic buckle are arranged on two sides of the mounting area respectively; in the case that the circuit board is mounted in the mounting area, the fixing buckle and the elastic buckle can be clamped on two sides of the circuit board respectively. In this way, the user can first mount one side of the circuit board in the mounting area and clamp it on the fixing buckle, and then apply force to the elastic buckle to make the elastic buckle move away from the mounting area and give way to the circuit board. After the elastic buckle gives way, the other side of the circuit board is mounted in the mounting area, and the force applied to the elastic buckle is removed. At this time, the elastic buckle restores to its original state under the action of the elastic force and is clamped on the side edge of the circuit board. In this way, the installation of the circuit board is more convenient, and the circuit board can be prevented from falling off the mounting plate, thereby improving the user experience.

[0021] The foregoing general description and the following description are only exemplary and explanatory, and are not intended to limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0022] One or more embodiments are exemplarily illustrated by corresponding drawings, which do not constitute a limitation on the embodiments, and elements with the same reference numerals in the drawings are shown as similar elements, the drawings do not constitute a proportional limitation, and wherein:

[0023] Figure 1 is a structural schematic diagram of a circuit board mounted on a mounting plate provided by the embodiments of the present disclosure;

[0024] Figure 2 is another structural schematic diagram of a circuit board mounted on a mounting plate provided by the embodiments of the present disclosure;

[0025] Figure 3 is a structural schematic diagram of a mounting plate provided by the embodiments of the present disclosure;

[0026] Figure 4 is another structural schematic diagram of a mounting plate provided by the embodiments of the present disclosure;

[0027] Figure 5 is a partial structural schematic diagram of a mounting plate provided by the embodiments of the present disclosure;

[0028] Figure 6is another structural schematic view of an installation plate provided by an embodiment of the present disclosure;

[0029] Figure 7 is another structural schematic view of an installation plate provided by an embodiment of the present disclosure;

[0030] Figure 8 is another structural schematic view of an installation plate provided by an embodiment of the present disclosure;

[0031] Reference Signs:

[0032] 10: circuit board;

[0033] 20: installation plate; 21: installation area; 22: positioning structure;

[0034] 30: elastic buckle; 31: clamping rib; 32: connecting rib; 33: clamping protrusion; 34: fixing structure;

[0035] 40: fixing buckle. DETAILED DESCRIPTION

[0036] In order to enable a more detailed understanding of the features and technical content of the embodiments of the present disclosure, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings, which are only used for reference and do not limit the embodiments of the present disclosure. In the following technical description, in order to facilitate explanation, a plurality of details are provided to provide a full understanding of the disclosed embodiments. However, one or more embodiments can still be implemented without these details. In other cases, in order to simplify the drawings, well-known structures and devices can be simplified.

[0037] The terms "first", "second", and the like in the specification and claims of the embodiments of the present disclosure and the above drawings are used to distinguish similar objects, and do not necessarily have to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so as to implement the embodiments of the present disclosure described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion.

[0038] In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "back" and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the embodiments of the present disclosure and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0039] In addition, the terms "set", "connected", "fixed" should be broadly understood. For example, "connected" can be fixedly connected, detachably connected, or integrally configured; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present disclosure can be understood according to the specific circumstances.

[0040] Unless otherwise specified, the term "a plurality of" means two or more.

[0041] In the embodiments of the present disclosure, the character " / " represents an "or" relationship between the objects before and after it. For example, A / B means A or B.

[0042] The term "and / or" is a description of the association between objects, which means that there can be three relationships. For example, A and / or B means: A or B, or, A and B, the three relationships.

[0043] It should be noted that the embodiments in the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0044] As shown in FIG. 1, Figures 1 to 8 The embodiments of the present disclosure provide a fixing assembly for a circuit board 10 and a display device, which can first clamp one side of the circuit board 10 to the fixing buckle 40, and then clamp the other side of the circuit board 10 to the elastic buckle 30. In this way, it is more convenient to install the circuit board 10, and the circuit board 10 can be prevented from falling off the mounting plate 20, thereby improving the user experience.

[0045] As shown in FIG. 1, Figures 1 to 8As shown, the fixing assembly for the circuit board 10 provided by the embodiment of the present disclosure comprises a mounting plate 20, a fixing buckle 40 and an elastic buckle 30. The mounting plate 20 comprises a mounting area 21 for mounting the circuit board 10; the fixing buckle 40 is arranged on the mounting plate 20; the elastic buckle 30 is arranged on the mounting plate 20, and the elastic buckle 30 is provided with a clamping protrusion 33 corresponding to the mounting area 21, and the elastic buckle 30 is made of elastic material; wherein the fixing buckle 40 and the elastic buckle 30 are arranged on both sides of the mounting area 21 respectively; in the case that the circuit board 10 is mounted on the mounting area 21, the fixing buckle 40 and the elastic buckle 30 can be clamped on both sides of the circuit board 10 respectively.

[0046] Specifically, one end of the fixing buckle 40 is fixedly connected to the mounting plate 20 on one side of the mounting area 21, and the other end of the fixing buckle 40 extends above the mounting area 21. The end of the elastic buckle 30 is connected to the mounting plate 20 on the other side of the mounting area 21 relative to the fixing buckle 40, and the elastic buckle 30 at least partially extends above the mounting area 21. Wherein the elastic buckle 30 is at least partially made of elastic material, and the user can apply force to the elastic buckle 30 to make the elastic buckle 30 move away from the mounting area 21, at this time the elastic buckle 30 is completely outside the mounting area 21 to accommodate the circuit board 10.

[0047] When the user installs the circuit board 10, one side of the circuit board 10 can be first mounted on one side of the mounting area 21 close to the fixing buckle 40, at this time the fixing buckle 40 abuts against the upper end surface of the circuit board 10 to realize clamping of the circuit board 10. After clamping one side of the circuit board 10 is completed, force can be applied to the elastic buckle 30 to make the elastic buckle 30 completely move away from the mounting area 21 and accommodate the other side of the circuit board 10. After the elastic buckle 30 completes the accommodation, the other side of the circuit board 10 is mounted on the side of the mounting area 21 clamped by the elastic buckle 30, and the force applied to the elastic buckle 30 is released. At this time, the elastic buckle 30 can restore its original shape under the action of the elastic force and at least partially abut against the upper end surface of the circuit board 10 to realize clamping of the other side of the circuit board 10.

[0048] When the user dismounts the circuit board 10, force can be applied to the elastic buckle 30 to make the elastic buckle 30 accommodate the circuit board 10. After the elastic buckle 30 completes the accommodation, the circuit board 10 can be directly moved away from the fixing buckle 40 to be pulled out.

[0049] In this way, the installation of the circuit board 10 is more convenient, and the circuit board 10 can be prevented from falling off the mounting plate 20, thereby improving the user experience.

[0050] In the above embodiment, the elastic buckle 30 is completely outside the mounting area 21 means that the projection of the elastic buckle 30 on the horizontal plane where the mounting area 21 is located is completely outside the mounting area 21.

[0051] As shown in the drawings, in some embodiments, the elastic buckle 30 comprises a clamping rib 31 and a connecting rib 32. The clamping rib 31 is arranged parallel to the mounting area 21, and the clamping rib 31 is provided with a clamping protrusion 33 corresponding to the mounting area 21; the connecting rib 32 is arranged at the end of the clamping rib 31, and is used to fixedly connect the clamping rib 31 to the mounting plate 20; wherein the clamping rib 31 is made of elastic material. Figures 2 to 5 Specifically, one side of the connecting rib 32 is connected with the clamping rib 31, and the other side of the connecting rib 32 is connected with the mounting plate 20, so as to fixedly connect the clamping rib 31 to the mounting plate 20. The clamping rib 31 is arranged parallel to the edge of the mounting area 21 close to the clamping rib 31, so as to facilitate the movement of the clamping rib 31 away from the mounting area 21. The clamping protrusion 33 is arranged on the side wall surface of the clamping rib 31 close to the mounting area 21. When the clamping rib 31 is in the original state, the clamping protrusion 33 is located above the mounting area 21.

[0052] When the user installs the circuit board 10, the part of the clamping rib 31 provided with the clamping protrusion 33 can be moved away from the mounting area 21, so that the clamping protrusion 33 is moved outside the mounting area 21 to make room for the circuit board 10. After the installation of the circuit board 10 is completed, the force applied to the clamping rib 31 is released, so that the clamping rib 31 returns to the original state. At this time, the clamping protrusion 33 abuts against the upper end surface of the circuit board 10, so as to clamp the circuit board 10 to the mounting area 21.

[0053] In the above embodiment, the clamping protrusion 33 is outside the mounting area 21 means that the projection of the clamping protrusion 33 on the horizontal plane where the mounting area 21 is located is completely outside the mounting area 21.

[0054] As shown in the drawings, in some embodiments, the clamping rib 31 is provided with a plurality of clamping protrusions 33, and the plurality of clamping protrusions 33 are arranged along the length direction of the clamping rib 31.

[0055] Figure 5 Specifically, the clamping rib 31 is provided with a plurality of clamping protrusions 33 on the side wall surface close to the mounting area 21, and the plurality of clamping protrusions 33 are arranged along the length direction of the clamping rib 31, that is, the plurality of clamping protrusions 33 are uniformly arranged in the form of being parallel to the edge of the clamping rib 31 close to the mounting area 21. In this way, after the installation of the circuit board 10 is completed, the plurality of clamping protrusions 33 can be clamped to different positions of the circuit board 10 respectively, so as to improve the stability of the installation of the circuit board 10.

[0056]

[0057] ​​like Figures 2 to 5 As shown, in some embodiments, the length of the snap-fit ​​rib 31 is greater than or equal to a preset length; wherein, the front half of the snap-fit ​​rib 31 is provided with at least one snap-fit ​​protrusion 33, and the rear half of the snap-fit ​​rib 31 is also provided with at least one snap-fit ​​protrusion 33.

[0058] Specifically, the length of the snap-fit ​​rib 31 is greater than or equal to half the length of the edge of the mounting area 21 closest to the snap-fit ​​rib 31. For example, the length of the snap-fit ​​rib 31 can be half, two-thirds, or three-quarters of the length of the edge of the mounting area 21 closest to the snap-fit ​​rib 31. Simultaneously, at least one snap-fit ​​protrusion 33 is provided in the front half of the snap-fit ​​rib 31, and at least one snap-fit ​​protrusion 33 is provided in the rear half of the snap-fit ​​rib 31. Thus, after the circuit board 10 is installed, the snap-fit ​​protrusion 33 located in the front half of the snap-fit ​​rib 31 can fix the front half of the circuit board 10 from left to right, and the snap-fit ​​protrusion 33 located in the rear half of the snap-fit ​​rib 31 can fix the rear half of the circuit board 10.

[0059] like Figures 2 to 5 As shown, in some embodiments, a fixing structure 34 is provided in the middle of the snap-fit ​​rib 31, and the fixing structure 34 is used to fix the middle of the snap-fit ​​rib 31 to the mounting plate 20.

[0060] Specifically, when the length of the snap-fit ​​rib 31 is greater than or equal to the preset length, a fixing structure 34 is provided in the middle of the snap-fit ​​rib 31 to provide auxiliary fixing. In this way, after the circuit board 10 is installed, the middle of the snap-fit ​​rib 31 can be fixed to the mounting plate 20 by the fixing structure 34 to prevent the snap-fit ​​rib 31 from shaking and causing the snap-fit ​​protrusion 33 to detach from the circuit board 10.

[0061] In some practical applications, the middle of the snap-fit ​​rib 31 is provided with a screw hole to form a fixing structure 34, and the mounting plate 20 is also provided with a screw hole corresponding to the fixing structure 34. In this way, the middle of the snap-fit ​​rib 31 can be fastened to the mounting plate 20 by fasteners such as bolts or screws, so as to play an auxiliary role in fixing the snap-fit ​​rib 31.

[0062] like Figures 6 to 8 In some embodiments, the snap-fit ​​protrusion 33 has an inclined surface on the side opposite to the mounting plate 20; wherein the circuit board 10 can squeeze the inclined surface to push the snap-fit ​​rib 31 to move in the direction opposite to the circuit board 10.

[0063] Specifically, the clamping protrusion 33 is inclined away from the upper end surface of the mounting plate 20 to form an inclined surface, and the upper end surface of the clamping protrusion 33 is inclined downward away from one end of the clamping rib 31. In this way, after the one side of the circuit board 10 is clamped to the fixed buckle 40, force can be applied to the edge of the circuit board 10 corresponding to the clamping protrusion 33, so that the circuit board 10 is pressed against the inclined surface of the clamping protrusion 33, and the clamping rib 31 is driven to move away from the mounting area 21 to the outside of the mounting area 21. In this way, the user can more conveniently install the circuit board 10.

[0064] As shown in Figures 2 to 8 In some embodiments, the fixing assembly further comprises a plurality of positioning structures 22. The plurality of positioning structures 22 are arranged along the circumferential side of the mounting area 21, and the positioning structures 22 can abut against the edge of the circuit board 10. In addition, at least one positioning structure 22 is arranged corresponding to each side edge of the circuit board 10.

[0065] Specifically, at least one positioning structure 22 is arranged on the front side, the back side, the left side and the right side of the mounting area 21. After the circuit board 10 is installed in the mounting area 21, the plurality of positioning structures 22 can abut against the front side edge, the back side edge, the left side edge and the right side edge of the circuit board 10, respectively, to limit the circuit board 10 in the horizontal direction, thereby further improving the stability of the installation of the circuit board 10.

[0066] As shown in Figures 6 to 8 In some embodiments, the clamping rib 31 further comprises a positioning protrusion corresponding to the mounting area 21 to form the positioning structure 22, and the positioning protrusion is located below the clamping protrusion 33. In addition, the clamping protrusion 33 and the positioning protrusion can abut against the upper end surface and the lower end surface of the circuit board 10, respectively.

[0067] Specifically, the positioning protrusion is configured as an inclined positioning surface facing the upper end surface of the clamping protrusion 33, and the positioning surface is inclined downward away from one end of the mounting area 21. In this way, after the installation of the circuit board 10 is completed, the lower end surface of the clamping protrusion 33 abuts against the upper end surface of the circuit board 10 to exert a downward force on the circuit board 10. At the same time, the positioning surface abuts against the edge of the lower end surface to exert an upward force on the circuit board 10 to prevent the circuit board 10 from moving in the vertical direction.

[0068] In the above embodiments, the positioning protrusion is located below the clamping protrusion 33, which means that the height of the position where the positioning surface of the positioning protrusion abuts against the circuit board 10 is lower than the height of the clamping protrusion 33.

[0069] Optionally, the mounting plate 20 also has positioning protrusions at the positions corresponding to the fixing clips 40, and the positioning protrusions are located below the fixing clips 40. In this way, after the circuit board 10 is installed in the mounting area 21, the fixing clips 40 and the elastic clips 30 can work together with the positioning protrusions to limit the vertical movement of both sides of the circuit board 10, further improving the stability of the circuit board 10 installation.

[0070] In the above embodiment, the positioning protrusion being located below the fixing buckle 40 means that the height of the positioning surface of the positioning protrusion abutting the circuit board 10 is lower than the height of the fixing buckle 40.

[0071] like Figure 5 As shown, in some embodiments, a positioning protrusion is provided at the end of the snap-fit ​​rib 31.

[0072] Specifically, since the end of the snap-fit ​​rib 31 is fixedly connected to the mounting plate 20 through the connecting rib 32, setting the positioning protrusion at the end of the snap-fit ​​rib 31 can prevent the circuit board 10 from pushing the positioning protrusion and causing the snap-fit ​​rib 31 to shift, thus ensuring the positioning effect of the positioning protrusion on the circuit board 10.

[0073] This disclosure also provides a display device comprising: a display device body and the aforementioned fixing assembly for the circuit board 10. The display device body includes a housing and a circuit board 10; the fixing assembly can be mounted on the housing, and the circuit board 10 can be mounted on the fixing assembly.

[0074] Specifically, the housing includes a back cover. The fixing component can be fastened to the back cover of the housing by fasteners such as bolts or screws, and then the circuit board 10 is snapped onto the fixing component to install the circuit board 10 onto the back cover.

[0075] The display device using the fixing component for the circuit board 10 provided in this application allows for the following steps after the fixing component is installed on the display device body: one side of the circuit board 10 can be first snapped into the fixing clip 40, and then the other side of the circuit board 10 can be snapped into the elastic clip 30. This configuration makes installing the circuit board 10 more convenient and prevents the circuit board 10 from falling off the mounting plate 20, thus improving the user experience.

[0076] Optionally, the display device is a television or a monitor.

[0077] The above description and drawings suffice to fully enable one skilled in the art to practice the embodiments of the present disclosure. Other embodiments can include structural and other changes. The embodiments are merely representative of possible variations. Individual components and functions are optional unless explicitly required, and the order of operations can be varied. Portions and features of some embodiments can be included in, or substituted for, portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the drawings, and can be varied in a variety of ways. The scope of the present disclosure is limited only by the claims that follow.

Claims

1. A fixing assembly for a circuit board, characterized in that, The fixing assembly comprises: a mounting plate comprising a mounting area for mounting the circuit board; a fixed buckle arranged on the mounting plate; and an elastic buckle arranged on the mounting plate, the elastic buckle being provided with a clamping protrusion corresponding to the mounting area, and the elastic buckle being made of elastic material; wherein the fixed buckle and the elastic buckle are arranged on opposite sides of the mounting area; in the case that the circuit board is mounted on the mounting area, the fixed buckle and the elastic buckle can be clamped on both sides of the circuit board, respectively. The elastic buckle comprises:

2. The fixture assembly of claim 1, wherein, a clamping rib parallel to the mounting area, and the clamping rib being provided with a clamping protrusion corresponding to the mounting area; and a connecting rib arranged at the end of the clamping rib for fixedly connecting the clamping rib to the mounting plate; wherein the clamping rib is made of elastic material.

3. The fixing assembly according to claim 2, wherein the clamping rib is provided with a plurality of clamping protrusions arranged along the length direction of the clamping rib.

4. The fixing assembly according to claim 3, wherein the length of the clamping rib is greater than or equal to a preset length; wherein the front half of the clamping rib is provided with at least one clamping protrusion, and the rear half of the clamping rib is also provided with at least one clamping protrusion.

5. The fixing assembly according to claim 4, wherein the middle part of the clamping rib is provided with a fixing structure for fixing the middle part of the clamping rib to the mounting plate.

6. The fixing assembly according to any one of claims 2 to 5, wherein the side of the clamping protrusion away from the mounting plate is provided with an inclined surface; wherein the circuit board can press the inclined surface to push the clamping rib to move away from the circuit board. Further comprising:

7. A fixture assembly according to any one of claims 2 to 5, wherein, a plurality of positioning structures arranged along the circumferential side of the mounting area, the positioning structures being capable of abutting the edge of the circuit board; wherein at least one positioning structure is arranged corresponding to any side edge of the circuit board.

8. The fixing assembly according to claim 7, wherein the clamping rib is further provided with a positioning protrusion corresponding to the mounting area to constitute the positioning structure, and the positioning protrusion is located below the clamping protrusion; wherein the clamping protrusion and the positioning protrusion can abut the upper end surface and the lower end surface of the circuit board, respectively.

9. The fixing assembly according to claim 8, wherein the positioning protrusion is arranged at the end of the clamping rib. The display device comprises:

10. A display device, characterized by comprising: a display device body comprising a cabinet and a circuit board; and the fixing assembly for the circuit board according to any one of claims 1 to 9, the fixing assembly being mountable on the cabinet, and the circuit board being mountable on the fixing assembly. ​ ​

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