TWM517707U - Angle adjustment structure and vehicle fixation rack having the angle adjustment structure - Google Patents

Description

Angle adjustment structure and vehicle mount having the same

The creation department is related to the angle adjustment, and particularly refers to an angle adjustment structure and a vehicle mount having the angle adjustment structure.

Regarding the angle adjustment structure for the vehicle, it is mainly provided that the rider can view the electronic device (for example, a mobile phone, a tablet computer or a navigation device, etc.) at an appropriate angle by the angle adjustment structure during riding.

When the angle adjustment structure of the vehicle is used for angle adjustment, due to structural design problems, it is often necessary to adjust a plurality of adjustment members, so that the adjusted angle can be fixed, which is troublesome and inconvenient.

Furthermore, the existing vehicle angle adjustment structure, because of the limited fixing effect, often causes the originally fixed state to be shaken and shaken due to the vibration during riding, or even because the loose state is not solved, resulting in the whole The angle adjustment structure has been slid down, and the electronic devices that have been smashed have been heard for a long time.

Therefore, how to design a novel that can improve the above-mentioned defects is a major issue that the creators of this case want to solve.

One of the purposes of the present invention is to provide an angle adjustment structure and a vehicle mount having the angle adjustment structure, which can be tightened at the same time by a single adjustment, thereby achieving a simple and convenient operation.

The second object of the present invention is to provide an angle adjusting structure and a vehicle fixing frame having the angle adjusting structure, which can have a better pressing and fixing effect, and greatly reduce the situation of being shaken and shaken.

In order to achieve the above object, the present invention provides an angle adjustment structure for connecting an electronic device carrier, the angle adjustment structure comprising: a support member having a first horizontal axis joint; and a vertical axis adjustment assembly including a longitudinal rod And a multi-directional joint and a second horizontal shaft joint respectively disposed at two ends of the vertical rod member, the multi-directional joint comprises a multi-directional rotating member, the multi-directional rotating member is provided with a first screw member, the first screw The horizontal axis adjustment assembly is coupled to the electronic device carrier; and a horizontal axis adjustment assembly is movably inserted and adjustable to simultaneously urge the first horizontal shaft joint and the second horizontal shaft joint, and the horizontal axis adjustment assembly also utilizes The longitudinal member urges the multi-directional rotating member of the multi-directional joint.

The present invention further provides a vehicle mount having an angle adjustment structure for fixing to a frame, the vehicle mount includes: an electronic device carrier; a base structure assembled to the frame; and a An angle adjustment structure is coupled between the electronic device carrier and the base structure and includes:

a support member coupled to the base structure and having a first transverse shaft joint;

A longitudinal axis adjusting assembly includes a longitudinal rod member and a multi-directional joint and a second horizontal shaft joint disposed at two ends of the longitudinal rod member, the multi-directional joint comprising a multi-directional rotating member, wherein the multi-directional rotating member is provided with a a first screw member, the first screw member being fixed to the electronic device carrier; and

a transverse axis adjustment assembly, movablely interposed and adjustable while simultaneously pressing the first horizontal shaft joint and the second horizontal shaft joint, the horizontal shaft adjusting assembly simultaneously utilizing the vertical rod member to urge the multidirectional joint The multi-directional rotating member.

Compared with the prior art, the creation has the following effects: the single rotation can be tightened at the same time, and the operation is simple and convenient, and the pressing and fixing effect can be greatly reduced. It was shaken and shaken.

The detailed description and technical content of the present invention are described below with reference to the drawings, but the drawings are provided for reference and description only, and are not intended to limit the creation.

The present invention provides an angle adjusting structure and a vehicle fixing frame having the angle adjusting structure, and the vehicle fixing frame is fixed to the frame to provide a suitable rider to adjust the angle adjustment structure during riding. View electronic devices at an angle (for example: mobile phones, tablets or navigation devices, etc.). As shown in FIG. 5 and FIG. 6 , the present invention includes an electronic device carrier 600 , a base structure 400 , and an angle adjusting structure 100 connected between the electronic device carrier 600 and the base structure 400 . . The base structure 400 is used for assembling or fixing to the frame B, and the electronic device carrier 600 is used for positioning and carrying the electronic device (not shown in the drawing, refer to the component symbol E shown in FIG. 7).

As shown in FIG. 1 and FIG. 2, the base structure 400 of the present invention includes a main body 4 and a buckle 41, a cover 43 and a connector 5 which are both disposed on the base 4. The socket body 4 is further provided with a positioning hole 42; the connector 5 is inserted into the positioning hole 42 and fixed, and one end portion (outer end portion) of the connector 5 is provided with an electrical connector 51 (for example: USB power) The connector body is fixed between the connector member 5 and the seat body 4, and the cover body 43 is used to cover the end of the connector member 5 and can be reopened to correspond. The electrical connector 51 is covered to be waterproof and dustproof. The base structure 400 is fixed to the frame B by detachably fastening the buckle 41 to the frame B.

As shown in FIG. 3 and FIG. 4 together with FIG. 1 and FIG. 2, the angle adjusting structure 100 in the fixing bracket of the present invention comprises: a supporting member 1, a longitudinal axis adjusting component 2 and a horizontal axis adjusting component 3.

The support member 1 has a screw hole 12 at one end and a first horizontal shaft joint 11 at the other end. The support member 1 is connected to the seat body 4 at one end thereof. Preferably, the support member 1 is fixed to the seat body 4 by a fixing member S (see FIG. 2). In this embodiment, the screw member is of a screw type. The fixing member S is first passed through the through hole of the seat body 4 (the symbol of the component is not shown), and then screwed to the screw hole 12 of the support member 1 to be fixed.

The longitudinal axis adjustment assembly 2 includes a longitudinal rod member 21 and a multidirectional joint and a second transverse shaft joint 23 respectively disposed at opposite ends of the longitudinal rod member 21. The multi-directional joint 22 includes a multi-directional rotating member 222, and the multi-directional rotating member 222 is provided with a first screw member 24, and the first screw member 24 is used to connect the electronic device carrier 600.

The horizontal axis adjusting assembly 3 is movably inserted and adjustable to simultaneously urge the first horizontal shaft joint 11 and the second horizontal shaft joint 23, and the horizontal shaft adjusting assembly 3 simultaneously uses the vertical rod member 21 to press the multi-directional rotating member. 222. Therefore, the horizontal axis adjusting assembly 3 can force the first and second horizontal shaft joints 11, 23 as long as the first and second horizontal shaft joints 11, 23 are simultaneously pressed, and the multi-directional rotating member 222 is simultaneously pressed by the longitudinal rods 21, and The multidirectional joint 22 can not be rotated at the same time, and the specific structure is explained as follows.

The multi-directional joint 22 preferably further includes a ball socket 221, and the multi-directional rotating member 222 can be a ball, so that the ball is rotatably disposed in the ball socket 221, that is, the multi-directional rotating member 222 can be opposite to The ball socket 221 is free to rotate.

The longitudinal rod member 21 preferably includes a hollow outer rod 211 and an inner rod 212 movably inserted into the hollow outer rod 211. The two ends of the hollow outer rod 211 are respectively provided with a multi-directional joint 22 and a second horizontal shaft joint 23, One end of the inner rod 212 protrudes axially outwardly with a convex convex portion 2121 having an arc convex shape, and the other end of the inner rod 212 is corresponding to the outer shape of the spherical multi-directional rotating member 222 to form a corresponding arc concave shape, so as to facilitate inner The rod 212 abuts against the multi-directional rotating member 222 with its arc-shaped other end, so that the multi-directional rotating member 222 is forced between the other end of the inner rod 212 and the socket 221 . As shown in FIG. 4, one end of the hollow outer rod 211 is inserted and fixed to the socket 221 via the hole 2211 (see FIG. 3).

The relationship between the first screw member 24 and the multi-directional rotating member 222 may be an integral connection or a detachable connection. In the present embodiment, an integral connection is taken as an example, that is, the first screw member 24 is used. One end of the first screw member 24 is directly screwed to the fixing hole 601 of the electronic device carrier 600 (see FIG. 5 or FIG. 6). Of course, a tightening nut 25 can be further screwed on the first screw member 24 so as to be able to be tightened on the back surface of the electronic device carrier 600 by the pressing nut 25 to achieve a further tightening effect. In addition, as shown in FIG. 3, the first screw member 24 can also be bent back and forth in only two opposite directions (see the dotted double arrow on the left side shown in FIG. 1) by a notch 2212 opened on the peripheral wall of the ball socket 221 .

The horizontal axis adjusting assembly 3 can include a second screw member 32 that is inserted through the first horizontal shaft joint 11 and an adjusting nut 31 that is screwed to the second screw member 32, so that the first horizontal shaft joint 11 is clamped. Between the adjusting nut 31 and the second horizontal shaft joint 23. Further, the horizontal axis adjusting component 3 preferably further includes a hollow bushing 33 and a washer 34. The hollow bushing 33 is inserted and sleeved in the first horizontal shaft joint 11, and therefore, the second screw member 32 is Firstly, the first horizontal shaft joint 11 is inserted through the hollow sleeve 33, and after passing through the first horizontal shaft joint 11, the movable insert is inserted into the washer 34, so that the washer 34 is clamped to the adjusting nut 31 and the first Frictional resistance is generated between the horizontal shaft joints 11 after being pressed. In addition, the hollow sleeve 33 may further have an enlarged portion 331 exposed from the first horizontal joint 11 and the enlarged portion 331 is clamped between the first horizontal joint 11 and the second horizontal joint 23 Frictional resistance is generated immediately after.

The one end portion of the second screw member 32 preferably further has a cap body 321 received in the second horizontal shaft joint 23, and a pressing recess 3211 is formed on a side of the cap body 321 facing the first horizontal shaft joint 11 so that The vertical rod member 21 relatively urges the multi-directional rotating member 222 by being urged by the pushing recess 3211. Specifically, the pressing protrusions 2121 are obliquely abutted against the pushing recesses 3211, as shown in FIG. 4, so that the second screw member 32 can be urged obliquely toward the inner rod 212 by the pushing recess 3211. The convex portion 2121 is pushed to adjust the expansion and contraction width of the inner rod 212 in the hollow outer rod 211, so as to abut against the multi-directional rotating member 222 or loosely abutting against the multi-directional rotating member 222.

Therefore, when the adjusting nut 31 is rotated, the adjusting nut 31 and the second screw member 32 will be brought close to each other, thereby pressing the first horizontal joint 11 and the second horizontal joint 23 (because the cap 321 is pushed by The inner rod 221 pushes the convex portion 2121, so that the second horizontal shaft joint 23 is forced toward and closes toward the hollow sleeve 33, so that the horizontal shaft adjusting assembly 3 can no longer rotate relative to the first horizontal shaft joint 11, and The second horizontal shaft joint 23 of the longitudinal axis adjusting assembly 2 can no longer be rotated relative to the cap body 321 (see the dotted double arrow on the right side shown in FIG. 1); at the same time, since the pushing convex portion 2121 of the inner rod 212 is received by the cap body 321 The pushing is moved in the direction of the multi-directional joint 22 so that the other end of the inner rod 212 presses the multi-directional rotating member 222 and is no longer rotatable relative to the socket 221 .

Thereby, as long as the adjusting nut 31 is rotated, all the rotating parts can be tightened at a time, and the rotating parts include: the first horizontal shaft joint 11, specifically, the horizontal shaft adjusting assembly 3 is oriented with the second screw member 32 as an axis. Reverse rotation (see the dashed double arrow in the middle of the adjustment nut 31 shown in FIG. 1); the second horizontal shaft joint 23, specifically, the longitudinal axis adjustment assembly 2 is oriented on the cap 321 of the second screw member 32 And rotating around the axis; and, the multi-directional joint 22, in particular, rotates the multi-directional rotating member 222 relative to the socket 221 .

As shown in FIGS. 3, 4 and 5, the base structure 400 and the frame B are fixed together by snap-fastening the buckle 41 to the frame B. The inventive angle adjustment structure 100 is fixed to the base structure 400 by screwing the fixing member S (see FIG. 2) through the through hole (not shown) symbol of the seat body 4 to the screw hole 12 of the support member 1. The first screw member 24 of the vertical axis adjusting assembly 2 is directly screwed to the fixing hole 601 of the electronic device carrier 600. Preferably, the pressing nut 25 can be further tightened to the electronic device carrier 600. The electronic device carrier 600 is fixed to the original angle adjustment structure 100.

As shown in FIG. 6, the first screw member 24 can also be directly screwed to a fixing hole 601 of another electronic device carrier 600 (not separately labeled with a component symbol). In detail, the first screw member 24 in FIG. 5 is directly screwed onto the support rod (not shown) of the electronic device carrier 600 (first type); as for the first screw member 24 in FIG. Then, it is directly screwed to the back surface of the base frame 6 of the electronic device carrier 600 (second type).

FIG. 7 is a perspective view of the second electronic device carrier 600 in a front view, including a base frame 6 and a lower support bar 62 disposed on the lower side of the corresponding base frame 6 with respect to the base frame 6 An upper adjustment frame 61 that slides on the upper side and a two-side adjustment frame 63 that can be respectively slid with respect to the left and right sides of the base frame 6. Therefore, the upper adjustment frame 61 and the two-side adjustment frame 63 can respectively correspond to the base frame 6 The upper and the two sides are adjusted in a sliding manner to adjust the length of the telescopic length. The upper adjustment frame 61 and the lower support bar 62 are opposite to each other, and the two side adjustment frames 63 are also opposed to each other to form a clip between the upper adjustment frame 61 and the lower support bar 62 and between the two side adjustment frames 63. With space, the electronic device E can be clamped and positioned in the clamping space. In addition, the base frame 6 is provided with two grooves 602, and both ends of the lower support bar 62 are respectively inserted into the two grooves 602 to be fixed.

As shown in FIG. 8, FIG. 9 and FIG. 10, the second embodiment of the original angle adjusting structure 100a is substantially the same as the first embodiment, and only the structure of the first screw member 24a and its The relationship between the multi-directional rotating members 222a is different, and the details are as follows.

One end of the first screw member 24a is screwed to the multi-directional rotating member 222a, and the other end of the first screw member 24a has a clamping cap body 241, and the electronic device carrier 600a is clamped to the clamping cap body 241 and Force the nut 25 between.

The base frame 6a of the electronic device carrier 600a is provided with a fixing groove 603 communicating with each other and an enlarged hole 604 having a larger diameter than the fixing groove 603. The outer diameter of the clamping cap body 241 is larger than the inner diameter of the fixing groove 603 and smaller than the inner diameter of the enlarged hole 604, and the outer diameter of the first screw member 24a is smaller than the inner diameter of the fixing groove 603.

When the first screw member 24a first enters the enlarged hole 604 and then moves into the fixing groove 603, the nut 25 is pressed and tightened so that the clamping cap body 241 and the pressing nut 25 can correspond to the position of the fixing groove 603. The circumference is clamped to the base frame 6a.

In summary, the present invention has the following effects compared to the prior art: only a single adjustment (ie, adjusting the aforementioned adjustment screw 31) can simultaneously tighten a plurality of rotating parts (including the first and second horizontal The shaft joints 11, 23 and the multi-directional joints 22) achieve an easy and convenient operation. In other words, after the rider adjusts the required angle, all the angles of the entire angle adjustment structure 100, 100a can be fixed by rotating the adjustment nut 31.

In addition, the creative department has other functions: it can have a better tightening effect, so as to greatly reduce the situation of being shaken and shaken.

The above is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the creation, and the equivalent structural changes that are made by using the present specification and the contents of the schema are all included in the creation. Within the scope of the rights, it is given to Chen Ming.

100, 100a‧‧‧ angle adjustment structure

1‧‧‧Support

11‧‧‧First horizontal shaft joint

12‧‧‧ screw holes

2‧‧‧Vertical axis adjustment components

21‧‧‧ longitudinal members

211‧‧‧ hollow outer rod

212‧‧‧ inner rod

2121‧‧‧ Pushing convex parts

22‧‧‧Multidirectional joint

221‧‧‧ Ball seat

2211‧‧‧ hole body

2212‧‧‧ gap

222, 222a‧‧‧ multi-directional rotating parts

23‧‧‧Second horizontal shaft joint

24, 24a‧‧‧ first screw

241‧‧‧Clamping cap

25‧‧‧Forced nuts

3‧‧‧ Horizontal axis adjustment components

31‧‧‧ Adjusting nuts

32‧‧‧Second screw parts

321‧‧‧Cap

3211‧‧‧Forced recess

33‧‧‧ hollow bushing

331‧‧‧Expanding Department

34‧‧‧ mat

400‧‧‧Base structure

4‧‧‧

41‧‧‧ buckle

42‧‧‧Positioning holes

43‧‧‧ Cover

5‧‧‧Connectors

51‧‧‧Electrical connector

600, 600a‧‧‧electronic device carrier

6, 6a‧‧‧ pedestal

601‧‧‧Fixed holes

602‧‧‧ trench

603‧‧‧Fixed grooves

604‧‧‧Enlarged hole

61‧‧‧Upper frame

62‧‧‧lower support bar

63‧‧‧ Side mount

B‧‧‧ frame

E‧‧‧Electronic device

S‧‧‧Fixed components

Fig. 1 is a perspective view of a fixing bracket for a vehicle.

2 is an exploded perspective view of the base structure of FIG. 1 according to the present invention.

FIG. 3 is an exploded perspective view of the first angle adjustment structure according to FIG. 1 of the present invention.

Figure 4 is a cross-sectional view of the combination of the creation according to Figure 3.

FIG. 5 is a side view of the present invention when the electronic device carrier is connected according to FIG. 1 .

FIG. 6 is an exploded perspective view of the mounting bracket for the vehicle and the carrier of the electronic device.

FIG. 7 is a perspective view of the creation according to FIG. 6 in a front view.

Fig. 8 is an exploded perspective view showing a second angle adjusting structure in the fixing bracket for a vehicle.

FIG. 9 is an exploded perspective view of the second angle adjustment structure and the electronic device carrier in the present invention.

Figure 10 is a schematic cross-sectional view of the combination according to Figure 9 of the present invention.

100‧‧‧Angle adjustment structure

1‧‧‧Support

11‧‧‧First horizontal shaft joint

2‧‧‧Vertical axis adjustment components

21‧‧‧ longitudinal members

22‧‧‧Multidirectional joint

221‧‧‧ Ball seat

222‧‧‧Multi-directional rotating parts

23‧‧‧Second horizontal shaft joint

24‧‧‧First screw

25‧‧‧Forced nuts

3‧‧‧ Horizontal axis adjustment components

31‧‧‧ Adjusting nuts

32‧‧‧Second screw parts

400‧‧‧Base structure

4‧‧‧

41‧‧‧ buckle

43‧‧‧ Cover

5‧‧‧Connectors

51‧‧‧Electrical connector

B‧‧‧ frame

Claims (21)

An angle adjusting structure for connecting an electronic device carrier, the angle adjusting structure comprising: a supporting member having a first horizontal shaft joint; a longitudinal shaft adjusting assembly comprising a longitudinal rod member and respectively disposed on the longitudinal rod member a multi-directional joint at both ends and a second transverse shaft joint, the multi-directional joint comprising a multi-directional rotating member, the multi-directional rotating member being provided with a first screw member fixed to the electronic device And a transverse axis adjustment assembly movable through and adjustable while simultaneously pressing the first horizontal joint and the second horizontal joint, the horizontal shaft adjusting assembly simultaneously utilizing the longitudinal member to tighten the plurality The multi-directional rotating member of the joint. The angle adjustment structure of claim 1, wherein one end of the first screw member is integrally connected to the multi-directional rotating member, and the other end of the first screw member is screwed to the electronic device carrier. The angle adjustment structure of claim 2, wherein the first screw member is further screwed with a tightening nut, and the tightening nut is urged to the electronic device carrier. The angle adjustment structure of claim 1, wherein the first screw member is further screwed with a tightening nut that is urged to the electronic device carrier. The angle adjustment structure of claim 4, wherein one end of the first screw member is screwed to the multi-directional rotating member, and the other end of the first screw member has a clamping cap body, and the electronic device carries The frame is clamped between the clamping cap and the pressing nut. The angle adjustment structure of claim 1, wherein the horizontal axis adjustment assembly comprises a second screw member that is inserted through the first horizontal shaft joint and an adjustment nut that is screwed to the second screw member. A horizontal shaft joint is clamped between the adjustment nut and the second horizontal shaft joint. The angle adjustment structure of claim 6, wherein the horizontal axis adjusting assembly further comprises a washer, the second screw member is inserted into the washer, and the washer is clamped to the adjusting nut and the first horizontal shaft joint between. The angle adjustment structure of claim 6, wherein the horizontal axis adjustment assembly further comprises a hollow sleeve, the hollow sleeve is inserted and sleeved to the first horizontal shaft joint, and the second screw member passes through the hollow sleeve Interspersed in the first horizontal shaft joint. The angle adjustment structure of claim 8, wherein the hollow sleeve has an enlarged portion exposed from the first horizontal shaft joint, the enlarged portion being clamped to the first horizontal shaft joint and the second horizontal shaft joint between. The angle adjustment structure of claim 6, wherein one end of the second screw member has a cap body received in the second horizontal shaft joint, the cap body is provided with a pushing recess, the vertical axis is adjusted The longitudinal member of the assembly is urged by the pushing recess to relatively urge the multi-directional rotating member. The angle adjusting structure of claim 10, wherein the longitudinal rod member of the longitudinal axis adjusting assembly comprises a hollow outer rod and an inner rod that is inserted through the hollow outer rod, and the two ends of the hollow outer rod are respectively provided The multi-directional joint and the second horizontal-axis joint, one end of the inner rod forms a pushing convex portion corresponding to the pressing concave portion of the second screw member obliquely abutting each other, and the other end of the inner rod is 扺Join and tighten the multi-directional rotating member. The angle adjustment structure of claim 11, wherein the multi-directional rotating member is a ball, the multi-directional joint further comprising a ball socket, the ball being rotatably disposed in the ball socket, the hollow One end of the outer rod is connected to the socket, and the other end of the inner rod abuts the ball, and the ball is forced between the other end of the inner rod and the socket. The angle adjustment structure of claim 6, wherein the horizontal axis adjusting component rotates forward and reverse with the second screw member as an axis, and the longitudinal axis adjusting component is oriented with one end of the second screw member and Rotate back and forth around the end. A vehicle mount having an angle adjustment structure according to any one of claims 1 to 3, 6 to 13, for fixing to a frame, the vehicle mount comprising: an electronic device carrier; a seat structure assembled to the frame; and an angle adjustment structure coupled between the electronic device carrier and the base structure and comprising: a support member coupled to the base structure and having a first horizontal axis a longitudinal axis adjusting assembly comprising a longitudinal rod member and a multi-directional joint disposed at two ends of the longitudinal rod member and a second transverse shaft joint, the multi-directional joint comprising a multi-directional rotating member, the multi-directional rotating member a first screw member is fixed to the electronic device carrier; and a horizontal axis adjusting assembly is movably inserted and adjustable while simultaneously pressing the first horizontal shaft joint and the second horizontal shaft The joint, the horizontal axis adjusting assembly simultaneously uses the longitudinal rod member to urge the multi-directional rotating member of the multi-directional joint. The vehicle mount according to claim 14, wherein the base structure comprises a body and a buckle disposed on the base body, the support member of the angle adjustment structure is fixed to the seat body, and the buckle is The frame is detachably fastened to the frame. The vehicular mounting frame of claim 15, wherein the base structure further comprises a connector disposed on the base body, the connector having one end portion provided with at least one electrical connector. The vehicular mount of claim 16, wherein the base structure further comprises a cover disposed on the base, the cover covering the end of the connector. The vehicle mount according to claim 14, wherein the electronic device carrier comprises a base frame, a lower support bar disposed on a lower side of the base frame, and an upper adjustment frame slidable relative to an upper side of the base frame. a two-side adjusting frame that is respectively slidable relative to the left and right sides of the base frame, the upper adjusting frame and the lower supporting bar are opposite to each other, and the side adjusting frames are also opposite to each other, the upper adjusting frame An electronic device can be clamped between the lower support bar and the two side mounts. The vehicle mount according to claim 18, wherein the base frame is provided with two grooves, and the two ends of the lower support strip are respectively inserted and fixed to the two grooves. The vehicle mount according to claim 14, wherein the first screw member is further screwed with a pressing nut, and one end of the first screw member is screwed to the multi-directional rotating member, and the first screw member is The other end has a clamping cap, and the electronic device carrier is clamped between the clamping cap and the pressing nut. The vehicle mount according to claim 20, wherein the electronic device carrier is provided with a fixing groove communicating with each other and an enlarged hole having a larger diameter than the fixing groove, and the outer diameter of the clamping cap is larger than the fixing The inner diameter of the groove is smaller than the inner diameter of the enlarged hole, and the outer diameter of the first screw member is smaller than the inner diameter of the fixing groove, and the clamping cap and the pressing nut correspond to the position of the groove The circumference is clamped to the electronic device carrier.