TWI770550B - camera mount - Google Patents

Abstract

A camera fixing frame is used for fixing a camera on a building. The camera fixing frame includes a bracket body, a bracket cover and an angle adjustment mechanism. Set on the camera, wherein the bracket body is provided with an accommodating slot with the notch facing upward in its bracket base, and the accommodating slot provides a space for the connection line of the camera to pass through and a storage space for the related accessories of the camera, waiting for the connection of the camera. After the cable is installed on the bracket body, the detachable bracket cover plate is used to cover the accommodating notch of the bracket body and shield the connection cable of the camera and related accessories, so that the cable of the camera can be easily connected to the camera. The related accessories are hidden in the camera fixing frame, so as to improve the simplicity of the camera connection cable installation operation.

Description

camera mount

The present invention relates to a camera fixing frame for fixing a camera on a building.

In order to monitor the entrances and exits of buildings, or specific areas such as roads, the camera is mainly used for continuous shooting, and the shot images are transmitted to the control device and stored. Generally speaking, the camera must be fixed on a building or other fixed objects by a camera holder, and at the same time, the lens direction of the camera is adjusted by an angle adjustment mechanism in the camera holder.

After the aforementioned camera is installed in a fixed building or other fixed object, the signal cable and power cable of the camera must be connected to an external control device. Due to environmental influences such as drenching, or man-made damage, etc., at present, the signal cables and power cables of the camera are usually connected to the poles of the camera mount. However, because the camera is usually erected at a height, and only a small hole is left in the photographic fixing frame, it is provided for the connection of the signal cable and power cable of the camera. It is difficult to assemble it through the photographic fixture. Furthermore, when assembling a general camera, it is still necessary to connect a power cable to an external power supply, or a signal cable to connect related accessories such as a twisted pair transmitter, and the existing camera mounting bracket only has a space with an opening facing downwards. , although this space can provide storage for related accessories such as power supply or twisted pair transmitter, but the space with the opening facing down in the frame rod is not supported by the structure of related accessories such as power supply or double-wire transmitter. When assembling, the operator must use an additional fixing structure to be locked in the frame rod to fix the power supply or the dual-wire transmitter and other related accessories, which causes the tedious and inconvenient assembly operation. The problem of time-consuming and labor-intensive work.

The purpose of the present invention is to provide a camera mount, which solves the problems that the existing camera mount is inconvenient for the signal wires and wires of the camera to pass through, and cannot provide storage space for related accessories.

In order to achieve the aforementioned purpose, the camera fixing frame system proposed by the present invention includes: a bracket body, which includes a bracket base, an assembly part and a fixing part respectively located at the front and rear ends of the bracket base, the bracket base has an accommodating groove with a notch facing upward and a accommodating part located in the accommodating part. A slot bottom plate at the bottom of the slot, the accommodating slot provides a space for the connecting wire of the camera to pass through; a bracket cover plate, which is detachably installed on the top of the bracket body, the bracket cover plate can cover the notch of the accommodating groove and shield the connecting wire of the camera; and An angle adjustment mechanism is assembled on the assembly part of the bracket body and can be assembled with the camera.

Through the invention of the aforementioned camera fixing frame, in addition to being able to use the fixing part at the rear end of the frame body to be fixed on the building, and to use the angle adjustment mechanism to assemble the camera, and to adjust the image capturing position of the camera lens, the present invention The camera mount also has the following features: 1. Improve the simplicity of the installation of the camera's connection line: the camera mount of the present invention uses the mount body to form a accommodating slot with the notch facing upward, combined with the detachable bracket cover structure, the camera mount bracket cover plate When it is not assembled on the top of the stand body, firstly, the signal cables and power lines of the camera and other connecting lines pass through the accommodating groove directly from the top of the stand body, and the accommodating groove accommodates the power supply of the camera and the twisted pair transmission. After connecting the related accessories such as the power supply and the twisted pair transmitter with the signal cable and the power cable, respectively connect the related accessories such as the power supply and the twisted pair transmitter, and then pass the connecting wire through the rear end of the bracket body. Install the bracket cover on the top of the bracket body, close the accommodating notch of the bracket body, then you can easily hide the camera's connection cable, power supply, twisted pair transmitter and other related accessories in the camera mount In order to improve the simplicity of the installation of the camera's cable. 2. Provide storage space for related accessories of the camera: As mentioned above, the camera holder of the present invention uses the holder body to form an accommodating slot with the notch facing upward, combined with the detachable bracket cover structure, the camera holder is mounted on the camera holder. When the bracket cover is not assembled on the top of the bracket body, the accommodating slot provides storage space for the camera's power supply and twisted pair transmitter and other related accessories, and the bracket body is closed after the bracket cover is closed. The related accessories such as twisted pair transmitter are well protected, which improves the practicality of the camera mount.

In the camera mount of the present invention, the angle adjustment mechanism includes a rotating member, a combination seat, two fixing pieces and two locking components, wherein the first connecting portion of the rotating component is assembled with a fixing piece and a locking component in the On the connecting part of the bracket body, it can rotate laterally and lock the fixed position with the longitudinal axis direction as the center. It can rotate and lock the fixed position longitudinally with the horizontal axis as the center. The combination seat is fixed to the camera with its assembly part, and the two fixed pieces are respectively located between the two parts to be locked, and each fixed piece is positioned by its The concave part is combined with one part for positioning, and a plurality of laterally protruding tines are inserted into the other part to provide an excellent anti-rotation function, so that the camera mount is not easily moved by external force after the camera lens is adjusted and positioned. position to ensure that the camera maintains its original position for a long time.

In the camera mounting bracket of the present invention, the bracket body can further make the slot bottom plate at the bottom of the accommodating slot of the bracket base form an inclined shape with a high front and a low back. The accommodating slot for storing the camera's power supply and twisted pair transmitter and other related accessories provides drainage and ventilation functions.

As shown in FIG. 1 and FIG. 2, it discloses a preferred embodiment of the camera mount of the present invention. As can be seen from the drawings, the camera mount mainly includes a bracket body 10 and a bracket cover. 20 and an angle adjustment mechanism 30.

As shown in FIG. 1 to FIG. 4 , the bracket body 10 includes a bracket base 11 , an assembly part 12 and a fixing part 13 respectively located at the front and rear ends of the bracket base 11 , and the bracket base 11 has a The accommodating groove 110 with the notch facing upward and a groove bottom plate 17 located at the bottom of the accommodating groove 110 .

As shown in FIG. 1 to FIG. 4 , the fixing portion of the bracket body 10 has a plurality of fixing holes 131 , and each fixing hole 131 can respectively pass through a fixing element, so that the fixing portion 13 of the bracket body 10 can be fixed on the building.

As shown in FIG. 1 to FIG. 4 , in the present preferred embodiment, the bracket base 11 forms a front channel 111 penetrating up and down between the front end of the accommodating groove 110 and the assembly part 12 , and a front channel 111 located in the front channel A front groove wall 14 between 111 and the accommodating groove 110, the upper end of the front groove wall 14 is provided with a front threading hole 141, the front threading hole 141 communicates with the front channel 111 and the accommodating groove 110, the bracket base 11 is in the accommodating groove A rear channel 112 is formed between the rear end of the 110 and the fixing portion 13, and a rear channel 112 is formed between the rear channel 112 and the accommodating slot 110, and a rear thread hole is provided on the upper end of the rear channel wall 15. 151, the rear threading hole 151 communicates with the rear channel 112 and the accommodating groove. A back channel 134 can also be formed on the back of the fixing portion 13 , and a back threading hole 133 connecting the rear channel 112 and the back channel 134 is formed in the fixing portion 13 .

As shown in FIG. 1 to FIG. 4 , the slot bottom plate 17 of the bracket base 11 located at the bottom of the accommodating slot 110 is inclined with a high front and a low back. In a preferred embodiment, a plurality of elongated perforations 171 arranged at intervals are provided in the rear section of the groove bottom plate 17 to provide drainage and ventilation.

As shown in FIG. 1 to FIG. 4 , the bracket cover 20 is detachably mounted on the top of the bracket body 10 and can cover the notch of the accommodating groove 110 . The bracket cover 20 includes a cover body 21 , and the cover body 21 can cover the top of the bracket base 11 . One end of the cover body 21 of the bracket cover 20 adjacent to the assembly portion 12 has a wire hole 22 , and the wire hole 22 can communicate with the accommodating groove 110 . In this preferred embodiment, the threading hole 22 communicates with the accommodating groove 110 after passing through the front channel 111 and the front threading hole 141, and can communicate with the rear channel 112 from the accommodating groove 110 through the rear threading hole 151, or further. The back channel 134 is communicated through the back thread hole 133 .

The bracket cover 20 and the bracket body 10 can be detachably connected by means of snap connection or screw locking. As shown in FIG. 1 to FIG. 4 , in this preferred embodiment, the rear end of the cover body 21 has at least one engaging tab 23 , and the fixing portion 13 at the rear end of the bracket body 10 has a engaging hole 132 . The latching tabs 23 at the rear end of the cover body 21 can be inserted into the latching holes 132 located at the corresponding positions. The bottom surface of the front end of the cover body 21 has a fixing post 24. The fixing post 24 is provided with an opening facing downward. A fixing hole 241, the bracket body 10 has a connecting post 16 on the front side of the front slot wall 14, the connecting post 16 is provided with a connecting hole 161 penetrating up and down, and a screw 25 is passed through the connecting hole 161 and locked By being fixed in the fixing hole 241 , the bracket cover 20 is fixed on the top of the bracket base 11 of the bracket body 10 , and the bracket cover 20 can be disassembled and assembled on the top of the bracket body 10 .

As shown in FIGS. 5 , 7 to 8 , the angle adjustment mechanism 30 is installed on the bracket body 10 and can be assembled with a camera to support the camera and change the position of the camera lens for capturing images. In this preferred embodiment, the bracket body 10 defines a longitudinal axis direction passing through the assembling portion 12 , and the assembling portion 12 has a set of connecting holes 122 passing through the assembling portion 12 along the longitudinal axis direction. , the top of the assembling portion 12 has a set of junction surfaces 121 , and the assembling surface 121 is provided with at least one positioning convex portion 123 , 325 on the periphery of the assembling hole 122 . The angle adjustment mechanism 30 is installed on the assembly portion 12 of the bracket body 10 , and the angle adjustment mechanism 30 includes a rotating member 31 , a coupling seat 32 , two fixing pieces 33A, 33B, and two locking components 34A, 34B.

As shown in FIG. 5 , FIG. 7 to FIG. 8 , the rotating member 31 is assembled to the assembly portion 12 of the bracket body 10 so as to be rotatable and positioned. A second connecting portion 312 above a connecting portion 311, the first connecting portion 311 has a first connecting surface 3111 and a first connecting hole 3112 extending along the longitudinal direction and passing through the first connecting surface 3111, The second connecting portion 312 defines a transverse axis direction perpendicular to the longitudinal axis direction, and the second connecting portion 312 is provided with a cutting groove 313 extending from top to bottom, and a second connecting portion 313 on one side of the cutting groove 313 The connecting surface 3121, the second connecting portion 312 is provided with a second connecting hole 3122 extending along the transverse axis direction and passing through the second connecting surface 3121 and the slot 313, the first connecting portion 311 of the rotating member 31 The first connecting hole 3112 corresponds to the assembling hole 122 of the assembling portion 12 corresponding to the assembling portion 12 of the bracket body 10 .

As shown in FIG. 5 , FIG. 7 to FIG. 8 , the combination seat 32 is rotatably and positioned on the second connecting portion 312 of the rotating member 31 . A combination part 322 above the 321, the combination part 321 has a combination surface 323 and a combination hole 324 extending along the transverse axis direction and passing through the combination surface 323, the combination seat 32 is mounted on the combination part 321. In the slot 313 of the second connecting portion 312 of the rotating member 31 , the connecting surface 323 faces the second connecting surface 3121 , and at least one positioning convex portion 325 is provided on the periphery of the connecting hole 324 .

As shown in FIG. 5 to FIG. 8 , one of the two fixing pieces 33A, 33B is clamped and disposed on the assembling surface 121 of the assembling portion 12 of the bracket body 10 and the rotating member 31 . Between the first connecting surface 3111 of the first connecting portion 311 , the other fixing piece 33B is clamped and disposed on the second connecting surface 3121 of the second connecting portion 312 of the rotating member 31 and the combination seat 32 Between the joint surfaces 323 of the joint portion 321 , the two fixing pieces 33A and 33B each include a piece body 331 , at least one positioning recess 333 and a plurality of tines 334 , and the piece body 331 has a middle hole 332 . The positioning concave portion 333 is disposed on the hole edge of the center hole 332 of the sheet body 331 , and a plurality of the tines 334 are distributed and formed on the periphery of the sheet body 331 and protrude from the periphery of the sheet body 331 toward the same side. The positioning concave portions 333 of the two fixing pieces 33A and 33B are respectively aligned with the positioning convex portions 123 and 325 of the assembly surface 121 of the bracket body 10 and the positioning convex portions 123 and 325 of the coupling surface 323 of the coupling seat 32 . , and the plurality of the tines 334 of the two fixing pieces 33A, 33B face the first connecting surface 3111 and the second connecting surface 3121 of the rotating member 31 respectively.

As shown in FIG. 5 to FIG. 8 , one of the two locking elements 34A and 34B, the locking element 34A, is inserted through the assembly part 12 of the bracket body 10 and the first part of the rotating member 31 . The connecting portion 311 and one of the fixing pieces 33A located between the assembling portion 12 and the first connecting portion 311 , so that the plurality of the tines 334 of the fixing piece 33A pierce the first portion of the rotating member 31 . In a connecting surface 3111 , the other locking element 34B passes through the second connecting portion 312 locked on the rotating member 31 , the connecting portion 321 of the connecting seat 32 , and the second connecting portion 312 and the connecting portion 321 . The other fixing piece 33B between the coupling parts 321 and the plurality of the tines 334 of the other fixing piece 33B are inserted into the second connecting surface 3121 of the rotating member 31 .

As shown in FIGS. 7 , 8 and 3 to 4 , when a camera is assembled with the camera mount of the present invention, the camera mount is fixed on the building by the fixing portion 13 at the rear end of the bracket body 10 , and the camera mount is fixed on the building with the The combination seat 32 of the angle adjustment mechanism 30 is connected to the camera 40 , and the camera 40 is fastened by screws installed in the combination portion 322 of the combination seat 32 , so that the camera 40 can be fixed on the building by the camera fixing frame. When the bracket cover 20 of the camera holder is not assembled on the top of the bracket body 10, the connecting wires 41 such as the signal cable and the power cable of the camera 40 directly pass through the accommodating slot 110 from the top of the bracket body 10, The accommodating slot 110 of the bracket body 10 with the notch facing upwards provides storage space for related accessories such as the power supply 42 connected to the power cable or the twisted pair transmitter 43 connected to the signal cable. The connecting wires 41 such as wires protrude through the rear channel 112 or the back channel 134 at the rear end of the bracket body 10, and then the bracket cover 20 is installed on the top of the bracket body 10, and the notch of the accommodating groove 110 of the bracket body 10 is closed, The connection cable 41 of the camera 40, the power supply 42, the twisted pair transmitter 43 and other related accessories are hidden in the camera mounting frame to reduce the exposed part of the connection cable 41, and the power supply 42, the twisted pair transmitter 43 and other related accessories are hidden. 43 and other related accessories are well protected.

In the above, the camera holder can also use its angle adjustment mechanism with biaxial adjustment function, so that the lens of the camera can be adjusted to a predetermined position by the installer or user, and the camera holder also utilizes its angle adjustment mechanism. The two fixed pieces in the angle adjustment mechanism provide a rotation stop function at its two rotating adjustment parts, so that the camera fixing frame is not easily displaced by external force after the lens of the camera is adjusted and positioned, so as to ensure that the camera maintains its original position for a long time.

10: Bracket body 11: Bracket base 110: accommodating slot 111: Front channel 112: Rear channel 12: Assembly Department 121: Assembly Surface 122: Assembly hole 123: Positioning convex part 13: Fixed part 131: Fixed perforation 132: snap hole 133: back threading hole 134: Back channel 14: Front groove wall 141: Front threading hole 15: Rear groove wall 151: Rear threading hole 16: connecting column 161: Connection hole 17: Slot bottom plate 171: Perforation 20: Bracket cover 21: Cover body 22: Threading holes 23: snap tab 24: Fixed post 241: Fixed hole 25: Screws 30: Angle adjustment mechanism 31: Rotating components 311: The first connection part 3111: First connection surface 3112: The first connection hole 312: Second connector 3121: Second connection surface 3122: Second connection hole 313: Grooving 32: Combination seat 321: Joint 322: Combination Department 323: Combined surface 324: binding hole 325: Positioning convex part 33A: Fixing piece 33B: Fixing piece 331: sheet body 332: Middle hole 333: Positioning recess 334: Teeth 34A: Locking components 34B: Locking components 40: Camera 41: connecting line 42: Power supply 43: Twisted pair transmitter

FIG. 1 is a three-dimensional schematic diagram of a preferred embodiment of a camera mount of the present invention. FIG. 2 is a bottom perspective view of the preferred embodiment of the camera fixing frame shown in FIG. 1 . FIG. 3 is a three-dimensional schematic view of the preferred embodiment of the camera fixing frame shown in FIGS. 1 and 2 disassembling the bracket cover. FIG. 4 is a perspective view of another viewing angle of the preferred embodiment of the camera fixing frame shown in FIGS. 1 and 2 when the bracket cover is disassembled. FIG. 5 is an exploded perspective view of the angle adjustment mechanism of the preferred embodiment of the camera mount shown in FIGS. 1 and 2 . FIG. 6 is an enlarged perspective view of the fixed piece in the angle adjustment mechanism shown in FIG. 5 . FIG. 7 is a schematic side cross-sectional view of the preferred embodiment of the camera fixing frame shown in FIGS. 1 and 2 which is fixed in a building and assembled with cameras. FIG. 8 is a schematic cross-sectional view of the angle adjustment mechanism of the preferred embodiment of the camera fixing frame shown in FIGS. 1 and 2 after the camera is assembled.

10: Bracket body 11: Bracket base 110: accommodating slot 111: Front channel 112: Rear channel 12: Assembly Department 13: Fixed part 133: back threading hole 134: Back channel 14: Front groove wall 141: Front threading hole 15: Rear groove wall 151: Rear threading hole 16: connecting column 161: Connection hole 17: Slot bottom plate 20: Bracket cover 22: Threading holes 23: snap tab 24: Fixed post 241: Fixed hole 25: Screws 30: Angle adjustment mechanism

Claims (10)

A camera fixing frame is used for assembling a camera, comprising: a bracket body, which includes a bracket base, and an assembly part and a fixing part respectively located at the front and rear ends of the bracket base, and the bracket base has An accommodating slot with an upward notch and a slot bottom plate located at the bottom of the accommodating slot, the accommodating slot provides a space for the connecting wire of the camera to pass through, and the bracket base is connected to the assembly at the front end of the accommodating slot A front channel that penetrates up and down is formed between the parts, the base of the bracket forms a rear channel that penetrates up and down between the rear end of the accommodating slot and the fixing part; a bracket cover is detachably installed on the On the top of the bracket body, the bracket cover plate can cover the notch of the accommodating groove and shield the connecting wire of the camera; and an angle adjustment mechanism is assembled on the assembly part of the bracket body and can be assembled connected to the camera. The camera mount as claimed in claim 1, wherein the bracket base forms a front groove wall between the front channel and the accommodating groove, and an upper end of the front groove wall is provided with a front channel that communicates with the front channel and the accommodating groove. A threading hole, the base of the bracket forms a rear groove wall between the rear channel and the accommodating groove, and the upper end of the rear groove wall is provided with a rear threading hole connecting the rear channel and the accommodating groove. The camera mount as claimed in claim 2, wherein a back channel is formed on the back of the fixing portion, and a back threading hole connecting the rear channel and the back channel is formed in the fixing portion. The camera mount according to any one of Claims 1 to 3, wherein the bottom of the slot with the base of the bracket located at the bottom of the accommodating slot is inclined in the shape of a high front and a low back, and at least one up and down through bottom is provided in the bottom of the slot. perforation. The camera mount as claimed in any one of claims 1 to 3, wherein the bracket cover comprises a cover body, the cover body can cover the top of the bracket base, and the cover body of the bracket cover An end adjacent to the assembling portion is provided with a threading hole, and the threading hole can communicate with the accommodating groove. The camera mount as claimed in claim 2 or 3, wherein the bracket cover comprises a cover body, the cover body can cover the top of the bracket base, and the cover body of the bracket cover is adjacent to One end near the assembling portion has a threading hole, the threading hole can communicate with the accommodating groove, the rear end of the cover plate body has at least one snap-fitting tab, and the fixing portion of the rear end of the bracket body has at least one snap-on hole , the clamping tabs at the rear end of the cover body can be inserted into the clamping holes located at the corresponding positions, the bottom surface of the front end of the cover body has a fixing column with fixing holes, and the bracket body is located on the front groove wall. The front side has a connecting column with a connecting hole, and a screw passes through the connecting hole and is locked in the fixing hole, so that the bracket cover is fixed on the top of the bracket base of the bracket body. The camera mount as claimed in any one of claims 1 to 3, wherein the bracket body defines a longitudinal axis direction passing through the assembling portion, and the assembling portion has a direction extending through the assembling portion along the longitudinal axis direction. A set of connecting holes of the connecting part, the top of the connecting part has a set of connecting surfaces, and the connecting surface is provided with at least one positioning convex part on the periphery of the connecting holes; the angle adjustment mechanism includes: a rotating member, which is capable of The rotating member is assembled on the assembly portion of the bracket body in a rotatable and positioning manner. The rotating member includes a first connecting portion and a second connecting portion located above the first connecting portion. The first connecting portion has a first connecting surface. and a first connection hole extending along the longitudinal axis direction and passing through the first connection surface, the second connection portion defines a transverse axis direction perpendicular to the longitudinal axis direction, and the second connection portion is provided with a A notch extending upwards and downwards, and a second connecting surface on one side of the notch, the second connecting portion is provided with a second connection extending along the transverse axis and passing through the second connecting surface and the notch a hole, the first connection part of the rotating member is relatively assembled with the assembly part of the bracket body, the first connection hole corresponds to the assembly hole of the assembly part; a combination seat, which can be rotatably and positioned in the assembly The second connection part of the rotating member, the combination seat includes a combination part and a combination part located above the combination part, the combination part has a combination surface and a combination extending along the transverse axis direction and passing through the combination surface a hole, the combination seat is installed in the groove of the second connection part of the rotating member with the combination part, the combination surface faces the second connection surface, and at least one positioning convex part is arranged on the periphery of the combination hole; Two fixing pieces, one of the fixing pieces is clamped between the assembling surface of the assembling portion of the bracket body and the first connecting surface of the first connecting portion of the rotating member, and the other fixing piece It is clamped and arranged between the second connecting surface of the second connecting portion of the rotating member and the connecting surface of the connecting portion of the connecting seat, and the fixed plate system includes a piece, at least one positioning recess and a plurality of tines , the sheet body has a middle hole, the positioning concave portion is set at the edge of the hole hole of the sheet body, and a plurality of the tines are distributed and formed on the periphery of the sheet body and from the periphery of the sheet body toward the The same side protrudes, the positioning concave parts of the two fixing pieces are respectively aligned and arranged in the positioning convex part corresponding to the assembly surface of the bracket body and the positioning convex part corresponding to the combination surface of the combination seat, and the two fixed A plurality of the tines of the plate face the first connecting surface and the second connecting surface of the rotating member respectively; and two locking components, one of the locking components is penetrated and locked on the assembly part of the bracket body , the first connecting part of the rotating member, and a said fixing piece between the assembling part and the first connecting part, so that the plurality of said tines of the fixing piece penetrate into the first connecting part of the rotating member In a connecting surface, the other locking component is penetrated through the second connecting portion locked on the rotating member, the connecting portion of the connecting seat, and the other connecting portion located between the second connecting portion and the connecting portion. In the fixing piece, the plurality of tines of the other fixing piece are inserted into the second connecting surface of the rotating member. The camera mount as claimed in claim 7, wherein the bottom of the slot with the base of the bracket located at the bottom of the accommodating slot is inclined with a high front and a low back, and a rear section of the bottom is provided with at least one perforation penetrating up and down. The camera mount as claimed in claim 7, wherein the bracket cover comprises a cover body, the cover body can cover the top of the bracket base, and the cover body of the bracket cover is adjacent to one end of the assembling portion There is a threading hole, and the threading hole can communicate with the accommodating groove. The camera mount as claimed in claim 7, wherein the bracket cover comprises a cover body, the cover body can cover the top of the bracket base, and the cover body of the bracket cover is adjacent to one end of the assembling portion There is a threading hole, the threading hole can communicate with the accommodating groove, and the rear end of the cover body has a At least one snap-fit tab, the fixing portion at the rear end of the bracket body has at least one snap-fit hole, the snap-fit tab at the rear end of the cover body can be inserted into the snap-fit hole located at the corresponding position, the cover body The bottom surface of the front end has a fixing post with a fixing hole, the bracket body has a connection post with a connection hole on the front side of the front groove wall, and a screw is passed through the connection hole and locked to the fixing In the hole, the bracket cover is fixed on the top of the bracket base of the bracket body.

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