Electronic equipment

Abstract

The embodiment of the utility model relates to the technical field of computers, and particularly discloses an electronic device, which comprises a to-be-fixed part, a first fixing part, a second fixing part and a third fixing part, and is characterized in that the to-be-fixed part is provided with a mounting hole penetrating through the to-be-fixed part; the installation support is provided with a fixing groove, the orientation of a groove opening of the fixing groove is a second direction, and the second direction is perpendicular to the first direction; the clamping piece comprises a first end part, a shaft part and a second end part, one end of the shaft part is connected with the first end part, the other end of the shaft part penetrates through the mounting hole and then is connected with the second end part, the piece to be fixed is stacked on the mounting bracket, and at least part of the second end part is clamped into the fixing groove from the notch of the fixing groove in the second direction; and the second end part and the first end part are used for clamping the groove wall of the fixing groove and the to-be-fixed piece. By means of the mode, according to the embodiment of the utility model, the fixing of the part to be fixed and the mounting bracket can be realized through the clamping part, and the use of screw joint parts is reduced, so that the time required for locking the screw joint parts is saved, and the mounting efficiency of the fixing part and the mounting bracket is improved.

Description

Technical Field

[0001] The embodiment of the utility model relates to the field of computer technology, and in particular to an electronic device. Background Art

[0002] As a portable computer device, the internal structure of a laptop is relatively complex, and the various components in the laptop need to be closely matched. In the assembly process of the laptop, it is usually necessary to fix the motherboard, keyboard bracket and shell together so that the various components of the laptop will not be scattered due to the flipping or movement of the laptop during use.

[0003] The inventor of the utility model discovered during the process of realizing the utility model that: currently, the method for fixing the circuit board and the keyboard bracket in the notebook is to open a plurality of corresponding screw holes on the main board and the keyboard bracket, and use screw connectors to pass through the screw holes to firmly connect the circuit board and the keyboard bracket, and the plurality of screw connectors all need to be tightened, which is time-consuming and costly, and is not conducive to mass production. Utility Model Content

[0004] The main technical problem solved by the embodiments of the utility model is to provide an electronic device that can reduce the use of screw connections, reduce the time required for installation, and reduce the occurrence of some screw connections not being locked due to human factors.

[0005] To solve the above technical problems, a technical solution adopted by the utility model is: to provide an electronic device, including a part to be fixed, provided with a mounting hole, and the mounting hole passes through the part to be fixed along a first direction; a mounting bracket, provided with a fixing groove, the notch of the fixing groove is oriented in a second direction, and the second direction is perpendicular to the first direction; a clamping part, including a first end, an axis part, and a second end part, one end of the axis part is connected to the first end part, and the other end of the axis part is connected to the second end part after passing through the mounting hole, the part to be fixed is stacked on the mounting bracket, the second end part is at least partially inserted into the fixing groove from the notch of the fixing groove along the second direction, and the second end part and the first end part clamp the groove wall of the fixing groove and the part to be fixed.

[0006] Optionally, the mounting bracket includes a frame body and a clamping platform, the clamping platform is arranged on a surface of the frame body facing the part to be fixed, and the clamping platform and the frame body jointly enclose the fixing groove.

[0007] Optionally, the clamping table includes an annular wall and a planar top wall, one side of the annular wall is fixed to the frame body, and the planar top wall is fixed to the other side of the annular wall, the annular wall, the planar top wall and the frame body together enclose the fixing groove, and the second end portion and the first end portion clamp the part to be fixed and the planar top wall toward the groove wall of the fixing groove.

[0008] Optionally, the planar top wall is further provided with an opening, the opening is connected to the fixing groove, and the opening extends to the notch of the fixing groove, and the opening allows the shaft portion to be inserted along the second direction.

[0009] Optionally, the length of the opening along the second direction is greater than or equal to the width of the shaft portion, and the depth of the fixing groove along the second direction is greater than or equal to the length of the second end portion along the second direction, so as to allow the second end portion to be fully inserted into the fixing groove.

[0010] Optionally, the shaft portion includes a first shaft segment and a second shaft segment, one end of the first shaft segment is connected to the first end portion, the other end of the first shaft segment is connected to one end of the second shaft segment, the other end of the second shaft segment is connected to the second end portion, the cross-section of the first shaft segment is larger than the cross-section of the second shaft segment, the second end portion, the first shaft segment and the second shaft segment together form a groove, the second shaft segment is inserted into the opening, and the card platform is clamped in the groove.

[0011] Optionally, along the first direction, the cross-section of the annular wall gradually decreases.

[0012] Optionally, the mounting bracket is provided with an escape opening, and the escape opening is communicated with the fixing groove.

[0013] Optionally, there are multiple clamping members, mounting holes and fixing grooves, the multiple mounting holes are distributed at four corners of the member to be fixed, and one clamping member passes through one mounting hole and is clamped in one fixing groove.

[0014] Optionally, the electronic device further comprises a shell and a screw connection member, the shell is provided with a fixing column, the fixing column is provided with a screw hole, the mounting bracket is arranged between the member to be fixed and the shell; the screw connection member passes through the member to be fixed and is screwed to the screw hole.

[0015] The beneficial effects of the embodiments of the utility model are as follows: Different from the prior art, the embodiments of the utility model provide a fixing structure including a part to be fixed, the part to be fixed is provided with a mounting hole, the mounting hole penetrates the part to be fixed along a first direction; a mounting bracket, the mounting bracket is provided with a fixing hole, the fixing hole corresponds to the mounting hole; a clamping part, one end of the clamping part extends out of the mounting hole, and the other end of the clamping part extends out of the fixing hole, the clamping part is used to connect the mounting bracket and the part to be fixed. Through the above structure, the embodiments of the utility model can connect and fix the part to be fixed and the mounting bracket through the clamping part. Compared with the fixing method through the screw connection, the connection method using the clamping part is more efficient and quick, reduces the working steps of locking the screw, and avoids the omission of the screw connection that may be caused by manually locking the screw connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments of the utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the drawings without creative work.

[0017] Figure 1 It is an exploded schematic diagram of an electronic device provided by an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of an assembly of an electronic device provided by an embodiment of the utility model;

[0019] Figure 3 It is an assembly cross-sectional view of an electronic device provided by an embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of a part to be fixed provided by an embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of a clamping member provided in an embodiment of the utility model;

[0022] Figure 6 It is a schematic diagram of a mounting bracket provided by an embodiment of the utility model;

[0023] Figure 7 is a schematic diagram of another viewing angle of a mounting bracket provided by an embodiment of the utility model;

[0024] Figure 8 yes Figure 6 A partial enlarged view of the middle A part;

[0025] Fig. 9It is a schematic diagram of a shell provided by an embodiment of the utility model. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element, or there can be one or more centered elements therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element, or there can be one or more centered elements therebetween. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this specification are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0028] See also Figure 1 , Figure 2 and Figure 3 The electronic device 1000 includes a part to be fixed 1, a clamping part 2, a mounting bracket 3, a shell 4 and a screw connection 5. The part to be fixed 1 and the mounting bracket 3 are connected and fixed by the clamping part 2. The part to be fixed 1 is superimposed on the mounting bracket 3. The part to be fixed 1 is screwed to the shell 4 by the screw connection 5, and the mounting bracket 3 is arranged between the part to be fixed 1 and the shell 4.

[0029] For the above-mentioned part 1 to be fixed, please refer to Figure 4 The to-be-fixed member 1 is provided with a mounting hole 11, and the mounting hole 11 penetrates the to-be-fixed member 1 along a first direction.

[0030] It is worth noting that the part to be fixed 1 refers to a circuit board, a mechanical hard disk, a card board, a heat sink, a part of a built-in partition, etc. In this embodiment, the part to be fixed 1 is designated as a circuit board.

[0031] In some embodiments, the number of the mounting holes 11 is multiple, and the multiple mounting holes 11 are distributed at the four corners of the to-be-fixed part 1. It is understandable that in order to enhance the fixing stability of the to-be-fixed part 1, the mounting hole 11 can be set in the middle of the circuit board, and / or multiple mounting holes 11 can be evenly set in the middle area of ​​the circuit board. It is worth noting that the number and specific position distribution of the mounting holes 11 need to be comprehensively considered according to the actual circuit board shape and placement space. Some special-shaped circuit boards are no longer suitable for evenly distributing the mounting holes 11. The distribution of the mounting holes 11 needs to be combined with the actual distribution, and this embodiment will not be illustrated one by one.

[0032] For the above-mentioned connector 2, please refer to Figure 5 Combined with Figure 1 The clamping member 2 includes a first end 21, a shaft 22 and a second end 23, one end of the shaft 22 is connected to the first end 21, and the other end of the shaft 22 is connected to the second end 23 after passing through the mounting hole 11. The cross-section of the clamping member 2 along the first direction is an I-shape, and the part to be fixed 1 is stacked on the mounting bracket 3. The second end 23 is at least partially inserted into the fixing groove 31 from the notch of the fixing groove 31 along the second direction. The second end 23 and the first end 21 clamp the groove wall of the fixing groove 31 and the part to be fixed 1.

[0033] In some embodiments, the clamping component 2 is fixed to the part to be fixed 1, that is, the first end 21 is welded to the part to be fixed 1. By welding the clamping component 2 to the part to be fixed 1 in advance, the step of connecting and fixing the part to be fixed 1 and the mounting bracket 3 is saved, thereby improving the installation efficiency of the electronic device 1000 and avoiding the occurrence of a screw connection 5 when fixing the part to be fixed 1 and the mounting bracket 3 with the screw connection 5.

[0034] It is worth noting that the cross-sectional area of ​​the first end 21 is larger than the cross-sectional area of ​​the second end 23, and the cross-sectional area of ​​the first end 21 is larger than the cross-sectional area of ​​the mounting hole 11, so as to ensure that after the second end 23 passes through the mounting hole 11, the first end 21 can smoothly abut the part to be fixed 1.

[0035] For the shaft portion 22, see Figure 5 and Figure 6The shaft portion 22 includes a first shaft section 221 and a second shaft section 222, one end of the first shaft section 221 is connected to the first end portion 21, the other end of the first shaft section 221 is connected to one end of the second shaft section 222, the other end of the second shaft section 222 is connected to the second end portion 23, the cross section of the first shaft section 221 is larger than the cross section of the second shaft section 222, the second end portion 23, the first shaft section 221 and the second shaft section 222 together form a groove 223, the second shaft section 222 is inserted into the opening 3321, and the clamping platform 33 of the mounting bracket 3 is clamped in the groove 223. The configuration of the groove 223 facilitates the rapid connection and fixing of the to-be-fixed component 1 and the mounting bracket 3, and the fixing of the to-be-fixed component 1 and the mounting bracket 3 can be achieved by only ensuring that the clamping platform 33 of the mounting bracket 3 is clamped in the groove 223.

[0036] It is worth noting that when the cross-sectional area of ​​the second end portion 23 is greater than or equal to the cross-sectional area of ​​the first shaft segment 221, the aperture of the mounting hole 11 is greater than or equal to the cross-sectional area of ​​the second end portion 23; when the cross-sectional area of ​​the second end portion 23 is less than or equal to the cross-sectional area of ​​the first shaft segment 221, the aperture of the mounting hole 11 is greater than or equal to the cross-sectional area of ​​the first shaft segment 221, so as to ensure that the second end portion 23 can smoothly pass through the mounting hole 11, thereby achieving the abutment of the first end portion 21 of the connecting member against the member to be fixed 1.

[0037] It can be understood that the length of the shaft portion 22 should be equal to or slightly greater than the sum of the thicknesses of the part to be fixed 1 and the mounting bracket 3. When the length of the shaft portion 22 is equal to the sum of the thicknesses of the part to be fixed 1 and the mounting bracket 3, after the clamping member 2 fixes the part to be fixed 1 and the mounting bracket 3, the three are in a tightly connected state. At this time, the connection state of the part to be fixed 1, the mounting bracket 3 and the clamping member 2 is relatively stable. However, this state has strict requirements on the installation process to avoid scratching the part to be fixed 1 and the mounting bracket 3; when the length of the shaft portion 22 is slightly greater than the sum of the thicknesses of the part to be fixed 1 and the mounting bracket 3, this state refers to the situation without affecting the connection stability of the part to be fixed 1 and the mounting bracket 3. Specifically, the difference between the length of the shaft portion 22 and the sum of the thicknesses of the part to be fixed 1 and the mounting bracket 3 should be considered in combination with the actual situation and the materials of the corresponding clamping member 2, the part to be fixed 1 and the mounting bracket 3. The difference is reserved to facilitate installation and improve installation efficiency.

[0038] It is worth noting that the material of the clamping component 2 includes but is not limited to alloy, metal, hard plastic, hard rubber and the like. In the present embodiment, the preferred material of the clamping component 2 is alloy.

[0039] For mounting bracket 3 above, see Figure 6 , Figure 7 and Figure 8 The mounting bracket 3 is provided with a fixing groove 31, and the notch of the fixing groove 31 is oriented in a second direction, and the second direction is perpendicular to the first direction.

[0040] It is worth noting that, in this embodiment, the first direction and the second direction are specified as follows: Figure 1 The X-axis direction is shown, and the second direction is specified as Figure 1 The Y-axis direction is shown.

[0041] It can be understood that the fixing groove 31 is used to accommodate the second end portion 23, and the orientation of the notch of the fixing groove 31 along the second direction is conducive to pushing the clamping member 2 into the fixing groove 31 in the reverse direction of the second direction to achieve a quick fixing function, and the orientation of the notch of the fixing groove 31 is not limited to Figure 7 The direction shown only ensures that the second end portion 23 can be smoothly pushed into the fixing groove 31 .

[0042] In some embodiments, please refer to Figure 6 The mounting bracket 3 also includes a frame body 32 and a clamping platform 33. The clamping platform 33 is arranged on the surface of the frame body 32 facing the part to be fixed 1. The clamping platform 33 and the frame body 32 jointly enclose the fixing groove 31, and the fixing groove 31 is used to accommodate the second end 23 of the clamping part 2.

[0043] For the above mentioned card table 33, please refer to Figure 8 The clamping platform 33 includes an annular wall 331 and a planar top wall 332. One side of the annular wall 331 is fixed to the frame body 32, and the planar top wall 332 is fixed to the other side of the annular wall 331. The annular wall 331, the planar top wall 332 and the frame body 32 jointly enclose the fixing groove 31. The second end 23 and the first end 21 clamp the to-be-fixed member 1 and the planar top wall 332 facing the groove wall of the fixing groove 31. The planar top wall 332 is also provided with an opening 3321, which is connected to the fixing groove 31 and extends to the notch of the fixing groove 31. The opening 3321 allows the shaft portion 22 to be clamped in along the second direction.

[0044] It can be understood that the length of the opening 3321 along the second direction is greater than or equal to the width of the shaft portion 22, and the depth of the fixing groove 31 along the second direction is greater than or equal to the length of the second end portion 23 along the second direction, so as to allow the second end portion 23 to be completely inserted into the fixing groove 31. In addition, the extending direction of the opening 3321 is not limited to the second direction, as long as the shaft portion 22 of the clamping member 2 can be smoothly inserted into the fixing groove 31.

[0045] In some embodiments, along the first direction, the cross section of the annular wall 331 gradually decreases. This gradually contracting annular wall 331 structure can reduce the processing difficulty of the clamping table 33, facilitate integrated processing by stamping and other methods, and improve the structural strength of the clamping table 33. Compared with the vertically stamped straight-tube clamping table 33, the clamping table 33 in this embodiment produces less plastic deformation of the material during the stamping process, and due to the structure of the gradually contracting annular wall 331, the stress generated by the material after stamping is less, thereby reducing the processing difficulty of the mounting bracket 3 and improving the structural strength of the mounting bracket 3.

[0046] In some embodiments, Figure 8 As shown, the mounting bracket 3 is provided with an avoidance opening 34, and the avoidance opening 34 is connected to the fixing groove 31. The setting of the avoidance opening 34 facilitates the second end 23 of the clip 2 to be inserted into the fixing groove 31, and the avoidance opening 34 and the extension of the opening 3321 form a guiding structure, which guides the clip 2 when it is impossible to observe whether the second end 23 of the clip 2 is successfully inserted into the fixing groove 31 on the clip 2 to be fixed part 1.

[0047] Specifically, the guiding function of the guiding structure is as follows: when the circuit board with the clip 2 installed is installed on the mounting bracket 3, the circuit board is usually a plate-shaped structure, and the naked eye cannot check whether the clip 2 on the back of the circuit board is successfully connected to the mounting bracket 3. The second end 23 of the clip 2 first contacts the card platform 33, and then the second end 23 is smoothly constrained to move in the avoidance opening 34 under the guidance of the avoidance opening 34. The groove 223 directly connected to the second end 23 moves under the guidance of the extended opening 3321, and the card of the mounting bracket 3 is The platform 33 is smoothly inserted into the groove 223 until the circuit board and the mounting bracket 3 are completely fixed. This guiding structure does not require human eyes to perform alignment operations, and since multiple clamping parts 2 are directly fixed on the to-be-fixed part 1, only one fixed alignment operation is required to complete the clamping work of all the clamping parts 2 and the clamping platform 33 of the mounting bracket 3. Compared with the original installation structure fixed by the screw connection part 5, each screw connection part 5 requires a separate alignment, screw connection and tightening operation. The fixing method of the clamping part 2 in this embodiment greatly improves the installation efficiency.

[0048] It is worth noting that there are multiple clamping parts 2, mounting holes 11 and fixing grooves 31, and multiple mounting holes 11 are distributed at the four corners of the part to be fixed 1. One clamping part 2 passes through one mounting hole 11 and is clamped in one fixing groove 31, thereby completing the installation and fixation of the part to be fixed 1 and the mounting bracket 3.

[0049] For the above-mentioned housing 4 and screw connection 5, please refer to Figure 1 Combined with Fig. 9 The housing 4 is provided with a fixing column 41, and the fixing column 41 is provided with a screw hole 411. The mounting bracket 3 is provided between the to-be-fixed part 1 and the housing 4. When the to-be-fixed part 1 is installed on the housing 4, the fixing column 41 is used to lift the to-be-fixed part 1 to form a receiving space to accommodate the mounting bracket 3. The height of the fixing column 41 needs to be set in combination with the thickness of the to-be-fixed part and the height of the mounting bracket 3. It should be noted that the height of the mounting bracket 3 should include the thickness of the mounting bracket 3 plate and the height of the clamping table 33. The screw connection 5 passes through the to-be-fixed part 1 and is screwed to the screw hole 411. The fixing part 1 is provided with a corresponding through hole (not shown) to facilitate the screw connection 5 to pass through the through hole and be screwed to the housing 4. The final position limitation of the to-be-fixed part 1 and the mounting bracket 3 is achieved through the cooperation of the screw connection 5 and the screw hole 411, so as to prevent the to-be-fixed part 1 and the clamping part 2 from sliding out along the second direction due to the external force, so that the connection between the to-be-fixed part 1 and the mounting bracket 3 fails.

[0050] It is understandable that the number of the screw connector 5 is only one, which is used for final limiting. In some embodiments, the number of the screw connectors 5 can be appropriately increased, but the increase should try not to significantly affect the installation efficiency of the fixed component 1 and the mounting bracket 3.

[0051] In the embodiment of the utility model, the electronic device 1000 comprises a part to be fixed 1, a clamping part 2, a mounting bracket 3, a housing 4 and a screwing part 5, the part to be fixed 1 and the mounting bracket 3 are connected and fixed by the clamping part 2, the part to be fixed 1 is stacked on the mounting bracket 3, the part to be fixed 1 is screwed to the housing 4 by the screwing part 5, and the mounting bracket 3 is arranged between the part to be fixed 1 and the housing 4. The part to be fixed 1 and the mounting bracket 3 are fixed by the clamping part 2. Compared with only connecting and fixing the part to be fixed 1 and the mounting bracket 3 by the screwing part 5, the clamping part 2 in this embodiment only needs to be clamped and fixed, which reduces the working time of tightening the screwing part 5, improves the fixing efficiency between the part to be fixed 1 and the mounting bracket 3, and finally only one screwing part 5 is used to fix the part to be fixed 1 and the clamping part 2 as the final limit to prevent the connection between the two and the mounting bracket 3 from falling off and failing due to external force.

[0052] It should be noted that the preferred embodiments of the utility model are given in the specification and drawings of the utility model, but the utility model can be implemented in many different forms and is not limited to the embodiments described in the specification. These embodiments are not used as additional restrictions on the content of the utility model. The purpose of providing these embodiments is to make the understanding of the disclosure of the utility model more thorough and comprehensive. In addition, the above-mentioned technical features continue to be combined with each other to form various embodiments not listed above, which are all regarded as the scope of the description of the utility model; further, for ordinary technicians in this field, they can be improved or transformed according to the above description, and all these improvements and transformations should belong to the scope of protection of the claims attached to the utility model.

Claims

1. An electronic device, characterized in that: include The part to be fixed is provided with a mounting hole, and the mounting hole penetrates the part to be fixed along a first direction; The mounting bracket is provided with a fixing groove, wherein the notch of the fixing groove is oriented in a second direction, and the second direction is perpendicular to the first direction; The clamping member includes a first end, a shaft portion, and a second end portion, wherein one end of the shaft portion is connected to the first end portion, and the other end of the shaft portion is connected to the second end portion after passing through the mounting hole, the member to be fixed is stacked on the mounting bracket, and the second end portion is at least partially inserted into the fixing groove from the notch of the fixing groove along the second direction, and the second end portion and the first end portion clamp the groove wall of the fixing groove and the member to be fixed.

2. The electronic device according to claim 1, characterized in that: The mounting bracket includes a frame body and a clamping platform, wherein the clamping platform is arranged on a surface of the frame body facing the part to be fixed, and the clamping platform and the frame body jointly enclose the fixing groove.

3. The electronic device according to claim 2, characterized in that: The clamping table includes an annular wall and a planar top wall, one side of the annular wall is fixed to the frame body, and the planar top wall is fixed to the other side of the annular wall, the annular wall, the planar top wall and the frame body together enclose the fixing groove, and the second end portion and the first end portion clamp the part to be fixed and the planar top wall toward the groove wall of the fixing groove.

4. The electronic device according to claim 3, characterized in that: The planar top wall is also provided with an opening, the opening is connected to the fixing groove, and the opening extends to the notch of the fixing groove, and the opening allows the shaft portion to be inserted along the second direction.

5. The electronic device according to claim 4, characterized in that: The length of the opening along the second direction is greater than or equal to the width of the shaft portion, and the depth of the fixing groove along the second direction is greater than or equal to the length of the second end along the second direction, so as to allow the second end to be completely inserted into the fixing groove.

6. The electronic device according to claim 4, characterized in that: The shaft portion includes a first shaft segment and a second shaft segment, one end of the first shaft segment is connected to the first end portion, the other end of the first shaft segment is connected to one end of the second shaft segment, the other end of the second shaft segment is connected to the second end portion, the cross-section of the first shaft segment is larger than the cross-section of the second shaft segment, the second end portion, the first shaft segment and the second shaft segment together form a groove, the second shaft segment is inserted into the opening, and the card platform is clamped in the groove.

7. The electronic device according to claim 3, characterized in that: Along the first direction, the cross section of the annular wall gradually decreases.

8. The electronic device according to any one of claims 1 to 7, characterized in that: The mounting bracket is provided with an escape opening, and the escape opening is communicated with the fixing groove.

9. The electronic device according to any one of claims 1 to 7, characterized in that: There are multiple clamping parts, mounting holes and fixing grooves, multiple mounting holes are distributed at four corners of the part to be fixed, one clamping part passes through one mounting hole and is clamped in one fixing groove.

10. The electronic device according to any one of claims 1 to 7, characterized in that: The electronic device further comprises a housing and a screw-connecting member, the housing is provided with a fixing column, the fixing column is provided with a screw hole, and the mounting bracket is provided between the member to be fixed and the housing; The screw-connecting member passes through the member to be fixed and is screwed to the screw hole.

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