Portable equipment mounting device

By designing portable equipment mounting devices, including telescopic mechanisms, folding suspensions and transmission mechanisms, the problem that existing equipment is difficult to cope with multi-angle or multi-direction scenarios is solved, and efficient and flexible equipment installation is achieved.

CN223004715UActive Publication Date: 2025-06-20重庆市住房和城乡建设技术发展中心(重庆市建筑节能中心)
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Patent Information

Application Number
CN202422334780.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-25
Publication Date
2025-06-20
Estimated Expiration
2034-09-25

AI Technical Summary

Technical Problem

Existing telescopic equipment is difficult to cope with complex scenarios of multiple angles or multiple directions, resulting in operational difficulties and inefficiency.

Method used

A portable device mounting device is designed, including a telescopic mechanism, a folding suspension and a transmission mechanism. The telescopic mechanism realizes the telescopic functions in the Y- and X-directions through a multi-stage telescopic shell and a limiting structure. The folding suspension realizes the multi-angle installation of the equipment through a connecting rod structure. The transmission mechanism realizes dynamic adjustment of angle and length through a rotating base and an active wheel drives the follower.

Benefits of technology

The device can flexibly deal with complex scenarios of multiple angles and directions, improve the efficiency and accuracy of equipment installation, meet different usage needs, and be convenient to use and flexible to operate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of mounting devices, and particularly relates to a portable equipment mounting device which comprises a telescopic mechanism, a folding suspension and a transmission mechanism, and the telescopic mechanism comprises a first telescopic shell, a second telescopic shell, a third telescopic shell, a fourth telescopic shell and a limiting structure used for adjusting the length of the telescopic mechanism in the Y direction; the folding suspension comprises a supporting frame plate, and a first connecting rod, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod which are hinged with one another; mounting ports for connecting to-be-hung equipment are formed in the fifth connecting rod and the supporting frame plate; the transmission mechanism comprises a first transmission rod, a second transmission rod, a third transmission rod and a fourth transmission rod, a base is arranged on the first transmission rod, a driving wheel and a transmission piece are arranged on the fourth transmission rod, and the base is rotated to enable the driving wheel and the transmission piece to drive the folding suspension to rotate so as to adjust the length and the inclination angle of the folding suspension in the X direction; the problems that existing telescopic equipment is difficult to deal with multi-angle or multi-direction complex scenes, operation is difficult and efficiency is low are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of mounting devices, and particularly relates to a portable device mounting device. Background Technique

[0002] During the equipment installation process, restricted by the installation space of the equipment and the activity radius of people, workers usually need to use retractable tools to hang the equipment to high or distant places. Existing retractable devices can often only extend in a single direction, making it difficult for workers to operate and with low operation efficiency in the face of complex scenarios with multiple angles or directions. Content of the Utility Model

[0003] The purpose of the utility model is to provide a portable device mounting device to solve the problems that existing retractable devices are difficult to handle complex scenarios with multiple angles or directions, and are difficult to operate and have low efficiency.

[0004] To solve the above technical problems, the utility model provides the following technical solutions:

[0005] A portable device mounting device includes a telescopic mechanism, a folding suspension and a transmission mechanism;

[0006] The telescopic mechanism includes a first telescopic shell, a second telescopic shell is slidably installed inside the first telescopic shell, a third telescopic shell is slidably installed inside the second telescopic shell, a fourth telescopic shell is slidably installed inside the third telescopic shell, an installation head is provided at the top of the fourth telescopic shell, and limiting structures are provided between the first telescopic shell and the second telescopic shell, between the second telescopic shell and the third telescopic shell, and between the third telescopic shell and the fourth telescopic shell. The limiting structures can fix the second telescopic shell, the third telescopic shell and the fourth telescopic shell at the bottom or top of the first telescopic shell, the second telescopic shell and the third telescopic shell respectively;

[0007] The folding suspension includes a support frame plate fixed on the installation head, a first connecting rod and a second connecting rod are respectively hinged at the lower end and the upper end of the support frame plate, a third connecting rod and a fourth connecting rod are hinged at the free end of the first connecting rod, a fifth connecting rod is hinged at the free end of the second connecting rod, the free ends of the third connecting rod and the fourth connecting rod are respectively hinged at the middle parts of the second connecting rod and the fifth connecting rod, and installation openings for connecting the equipment to be suspended are provided at the free end of the fifth connecting rod and the top of the support frame plate;

[0008] The transmission mechanism includes a first transmission rod located inside the telescopic mechanism. A second transmission rod is slidably installed inside the first transmission rod. A third transmission rod is slidably installed inside the second transmission rod. A fourth transmission rod is slidably installed inside the third transmission rod. The lower end of the first transmission rod is fixed with a base, and the base is rotatably installed on the outer wall of the first telescopic housing. The upper end of the fourth transmission rod is provided with a driving wheel, and the driving wheel is rotatably installed inside the mounting head. A driven member is engaged with the driving wheel. Rotating the base can drive the driving wheel to rotate through the first transmission rod, the second transmission rod, the third transmission rod, and the fourth transmission rod, and the driving wheel can drive the driven member to make the first connecting rod rotate.

[0009] Further, the driving wheel adopts a face gear, and the driven member includes a driven shaft. Both ends of the driven shaft are rotatably installed on both sides of the supporting frame plate. A first driven wheel and a second driven wheel are fixed on the driven shaft. The first driven wheel is engaged with the driving wheel. A third driven wheel is engaged with the second driven wheel, and the third driven wheel is rotatably installed on the supporting frame plate. A fourth driven wheel is engaged with the third driven wheel, and the fourth driven wheel is fixed on the end of the first connecting rod hinged to the supporting frame plate.

[0010] Further, a plurality of internal tooth grooves are circumferentially provided on the first transmission rod, the second transmission rod, and the third transmission rod. A plurality of external toothed racks are circumferentially provided on the second transmission rod, the third transmission rod, and the fourth transmission rod. The external toothed racks on the second transmission rod, the third transmission rod, and the fourth transmission rod are respectively engaged with the internal tooth grooves on the first transmission rod, the second transmission rod, and the third transmission rod.

[0011] Further, the tops of the first transmission rod, the second transmission rod, and the third transmission rod are provided with internal convex platforms, and the bottoms of the second transmission rod, the third transmission rod, and the fourth transmission rod are provided with external convex platforms. When the second telescopic housing, the third telescopic housing, and the fourth telescopic housing are respectively located on the tops of the first telescopic housing, the second telescopic housing, and the third telescopic housing, the external convex platforms at the bottoms of the second transmission rod, the third transmission rod, and the fourth transmission rod respectively abut against the internal convex platforms at the tops of the first transmission rod, the second transmission rod, and the third transmission rod.

[0012] Further, the limiting structure includes internal threads provided at the tops and bottoms of the first telescopic housing, the second telescopic housing, and the third telescopic housing. The bottoms of the second telescopic housing, the third telescopic housing, and the fourth telescopic housing are provided with external threads that can be matched with the internal threads.

[0013] Further, an annular groove is provided on the outer side of the bottom of the first telescopic housing. An annular protrusion is provided inside the base, and the annular protrusion is slidably installed in the annular groove. Two symmetrical card slots are provided inside the base. A card strip is fixed at the lower end of the first transmission rod, and both ends of the card strip are respectively clamped in the two card slots.

[0014] Further, an anti-collision bottom support is detachably installed at the lower end of the base.

[0015] Furthermore, mounting holes are provided on both sides of the bottom of the support frame plate, and elastic buckles are provided on both sides of the mounting head. The two elastic buckles are respectively clamped in the two mounting holes of the support frame plate.

[0016] Compared with the prior art, the utility model has the following beneficial technical effects:

[0017] By setting the telescopic mechanism, the utility model can realize the length telescopic function of the mounting device in the Y direction. By setting the folding mechanism and the transmission mechanism, the utility model can realize the length telescopic function of the mounting device in the X direction. And by controlling the rotation angle of the base, the inclination angle of the fifth connecting rod can be adjusted to realize the adjustment of the installation angle of the device to be suspended. Compared with the existing single-direction telescopic device, workers can freely adjust the mounting device according to the actual scenario, so that the mounting device can cope with complex scenarios with multiple angles and directions, meet different use requirements, is convenient to use, flexible in operation, and high in accuracy, and can effectively improve the equipment installation efficiency in a narrow space. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a schematic structural diagram of the folded state of the utility model;

[0019] Figure 2 is a schematic diagram of the expanded state of the telescopic mechanism;

[0020] Figure 3 is a schematic diagram of a partial structure of the utility model;

[0021] Figure 4 is a schematic diagram of a partial structure of the utility model;

[0022] Figure 5 is a schematic diagram of the folded state of the folding suspension;

[0023] Figure 6 is a schematic diagram of the semi-expanded state of the folding suspension;

[0024] Figure 7 is a schematic diagram of the fully-expanded state of the folding suspension;

[0025] Figure 8 is a schematic diagram of a partial structure of the transmission mechanism;

[0026] Figure 9 is for Figure 7 cross-sectional view of.

[0027] In the figure: Telescopic mechanism 1, first telescopic shell 11, second telescopic shell 12, third telescopic shell 13, fourth telescopic shell 14, limiting structure 15, mounting head 16, elastic buckle 161; Folding suspension 2, support frame plate 21, mounting hole 211, first connecting rod 22, second connecting rod 23, third connecting rod 24, fourth connecting rod 25, fifth connecting rod 26, mounting port 27; Transmission mechanism 3, first transmission rod 31, clamping strip 311, second transmission rod 32, third transmission rod 33, fourth transmission rod 34, driving wheel 341, internal tooth groove 35, external rack 36, internal boss 37, external boss 38, base 39, annular protrusion 391; Driven member 4, driven shaft 41, first driven wheel 42, second driven wheel 43, third driven wheel 44, fourth driven wheel 45; Anti-collision bottom support 5. Detailed implementation manners

[0028] The following is a further detailed description through specific implementation manners:

[0029] Embodiment

[0030] As Figure 1 shown, a portable device mounting device includes a telescopic mechanism 1, a folding suspension 2 and a transmission mechanism 3.

[0031] As Figure 2 shown, the telescopic mechanism 1 includes a first telescopic shell 11, a second telescopic shell 12 is slidably installed inside the first telescopic shell 11, a third telescopic shell 13 is slidably installed inside the second telescopic shell 12, and a fourth telescopic shell 14 is slidably installed inside the third telescopic shell 13; Limiting structures 15 are provided between the first telescopic shell 11 and the second telescopic shell 12, between the second telescopic shell 12 and the third telescopic shell 13, and between the third telescopic shell 13 and the fourth telescopic shell 14. The limiting structure 15 includes internal threads provided at the top and bottom of the first telescopic shell 11, the second telescopic shell 12 and the third telescopic shell 13, and external threads capable of cooperating with the internal threads are provided at the bottom of the second telescopic shell 12, the third telescopic shell 13 and the fourth telescopic shell 14; Through the cooperation of the corresponding internal and external threads, the second telescopic shell 12, the third telescopic shell 13 and the fourth telescopic shell 14 can be respectively fixed at the bottom or top of the first telescopic shell 11, the second telescopic shell 12 and the third telescopic shell 13; During use, by adjusting the relative positions of the first telescopic shell 11, the second telescopic shell 12, the third telescopic shell 13 and the fourth telescopic shell 14, the length telescopic function of the mounting device in the Y direction can be realized to meet the hanging requirements of devices at different heights.

[0032] As Figures 5 - 7As shown in the figure, the folding suspension 2 includes a support frame plate 21. A first link 22 and a second link 23 are respectively hinged to the lower end and the upper end of the support frame plate 21. The free end of the first link 22 is hinged to a third link 24 and a fourth link 25. The free end of the second link 23 is hinged to a fifth link 26. The free ends of the third link 24 and the fourth link 25 are respectively hinged to the middle parts of the second link 23 and the fifth link 26. Mounting openings 27 for connecting the equipment to be suspended are provided at the free end of the fifth link 26 and the top of the support frame plate 21. The mounting opening 27 in this embodiment is set as a 1 / 4-inch standard threaded opening, so as to facilitate the mounting of the equipment through a variety of adapters; during use, by adjusting the relative positions of the first link 22, the second link 23, the third link 24, the fourth link 25 and the fifth link 26, the length telescopic function of the mounting device in the X direction can be realized to meet the equipment suspension requirements for different lateral distances, and the inclination angle of the fifth link 26 can also be adjusted to meet the equipment suspension requirements for different angles.

[0033] As Figure 3 and 5 shown, a mounting head 16 is fixed to the top end of the fourth telescopic housing 14. Elastic buckles 161 are provided on both sides of the mounting head 16. Mounting holes 211 are opened on both sides of the bottom of the support frame plate 21. The elastic buckles 161 on both sides of the mounting head 16 can be snapped into the two mounting holes 211, so that the folding suspension 2 is fixed to the top of the telescopic mechanism 1. After use, by pressing the two elastic buckles 161 inward, the folding suspension 2 can be disassembled from the telescopic mechanism 1, which is convenient for storage and carrying and has good practicability.

[0034] As Figure 2 shown, the transmission mechanism 3 includes a first transmission rod 31 located inside the telescopic mechanism 1. A second transmission rod 32 is slidably installed in the first transmission rod 31. A third transmission rod 33 is slidably installed in the second transmission rod 32. A fourth transmission rod 34 is slidably installed in the third transmission rod 33; as Figure 8 shown, a plurality of internal tooth grooves 35 are formed circumferentially on the first transmission rod 31, the second transmission rod 32 and the third transmission rod 33. A plurality of external gear racks 36 are formed circumferentially on the second transmission rod 32, the third transmission rod 33 and the fourth transmission rod 34. The external gear racks 36 on the second transmission rod 32, the third transmission rod 33 and the fourth transmission rod 34 are respectively engaged with the internal tooth grooves 35 on the first transmission rod 31, the second transmission rod 32 and the third transmission rod 33 to realize power transmission.

[0035] As Figures 8 - 9As shown in the figure, inner bosses 37 are formed at the tops of the first transmission rod 31, the second transmission rod 32, and the third transmission rod 33, and outer bosses 38 are formed at the bottoms of the second transmission rod 32, the third transmission rod 33, and the fourth transmission rod 34. When the second telescopic housing 12, the third telescopic housing 13, and the fourth telescopic housing 14 are respectively located at the tops of the first telescopic housing 11, the second telescopic housing 12, and the third telescopic housing 13, the outer bosses 38 at the bottoms of the second transmission rod 32, the third transmission rod 33, and the fourth transmission rod 34 respectively abut against the inner bosses 37 at the tops of the first transmission rod 31, the second transmission rod 32, and the third transmission rod 33, preventing the first transmission rod 31, the second transmission rod 32, the third transmission rod 33, and the third transmission rod 33 from falling off due to gravity when in the extended state, which may cause the power transmission function of the transmission mechanism 3 to fail.

[0036] As Figure 4 shown, a base 39 is provided at the lower end of the first transmission rod 31. Two symmetrical card slots are opened at the bottom of the base 39. A card strip 311 is integrally formed at the lower end of the first transmission rod 31, and both ends of the card strip 311 are respectively clamped in the two card slots; an annular groove is opened on the outer side of the bottom of the first telescopic housing 11, and an annular protrusion 391 is formed at the bottom of the base 39. The base 39 is sleeved outside the first telescopic housing 11, and the annular protrusion 391 of the base 39 is slidably installed in the annular groove; a collision-proof bottom support 5 is detachably installed at the lower end of the base 39.

[0037] As Figure 3 shown, a connecting rod is formed at the upper end of the fourth transmission rod 34. The upper end of the connecting rod penetrates through the mounting head 16 and is rotatably connected to the mounting head 16. A driving wheel 341 is fixed to the upper end of the connecting rod. The driving wheel 341 is a face gear; a driven member 4 is engaged with the driving wheel 341. The driven member 4 includes a driven shaft 41. Connecting holes are opened on both sides of the support frame plate 21. Both ends of the driven shaft 41 are respectively rotatably installed in the two connecting holes. A first driven wheel 42 and a second driven wheel 43 are fixed to the driven shaft 41. The first driven wheel 42 is engaged with the tooth surface of the driving wheel 341; a third driven wheel 44 and a fourth driven wheel 45 are rotatably installed on the inner side of the bottom of the support frame plate 21. The lower side and the upper side of the third driven wheel 44 are respectively engaged with the second driven wheel 43 and the fourth driven wheel 45. The fourth driven wheel 45 is fixedly connected to the first connecting rod 22 by means of a hinge at the end of the support frame plate 21.

[0038] The rotating base 39 can drive the driving wheel 341 to rotate through the first transmission rod 31, the second transmission rod 32, the third transmission rod 33, the fourth transmission rod 34 and the connecting rod, so that the driving wheel 341 drives the first driven wheel 42, the second driven wheel 43, the third driven wheel 44 and the fourth driven wheel 45 to rotate. The first connecting rod 22 rotates with the fourth driven wheel 45, so that the second connecting rod 23, the third connecting rod 24, the fourth connecting rod 25 and the fifth connecting rod 26 rotate, and the folding suspension 2 is unfolded or folded to realize the functions of adjusting the length of the folding suspension 2 in the X direction and the inclination angle of the fifth connecting rod 26.

[0039] According to the suspension requirements of the equipment, the specific implementation of the mounting device of the present application is as follows:

[0040] 1. When the suspension height of the equipment is relatively low or the operable space is relatively spacious, install the equipment to be suspended at the mounting opening 27 on the top of the support frame plate 21, and then adjust the length of the telescopic mechanism 1 to complete the mounting work of the equipment;

[0041] 2. When the suspension height of the equipment is relatively high, or the operable space is relatively narrow and the installation scenario is relatively complex, install the equipment to be suspended at the mounting opening 27 at the free end of the fifth connecting rod 26. First, adjust the telescopic mechanism 1 to an appropriate height, and then rotate the base 39. By means of the transmission mechanism 3 and the transmission parts, adjust the lateral length of the folding suspension 2 and the inclination angle of the fifth connecting rod 26 to complete the mounting work of the equipment.

[0042] By setting the telescopic mechanism 1 and the folding suspension 2, the present application can realize the multi-directional distance adjustment of the mounting device. By setting the transmission mechanism 3 and the transmission parts, the angle adjustment can also be realized during the suspension process of the equipment, so that it can be applied to complex scenarios with multiple angles and directions, meet different use requirements, and has the advantages of convenient use, flexible operation and high accuracy, and can effectively improve the equipment installation efficiency.

[0043] It should be noted that the number of telescopic rods of the telescopic mechanism and the number of connecting rods of the folding suspension of the mounting device of the present application can be increased or decreased according to actual needs.

[0044] The above are only the embodiments of the present invention. The specific technical solutions and / or common knowledge such as characteristics known in the solutions are not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solutions of the present invention, several deformations and improvements can still be made, which should also be regarded as the protection scope of the present invention, and these will not affect the implementation effect of the present invention and the practicability of the patent. The protection scope required by the present application should be subject to the content of its claims, and the specific implementation manners in the specification can be used to interpret the content of the claims.

Claims

1. A portable device mounting device, characterized in that: It comprises a telescopic mechanism (1), a folding suspension (2) and a transmission mechanism (3); The telescopic mechanism (1) comprises a first telescopic shell (11), a second telescopic shell (12) is slidably mounted inside the first telescopic shell (11), a third telescopic shell (13) is slidably mounted inside the second telescopic shell (12), a fourth telescopic shell (14) is slidably mounted inside the third telescopic shell (13), a mounting head (16) is provided at the top end of the fourth telescopic shell (14), and a limiting structure (15) is provided between the first telescopic shell (11) and the second telescopic shell (12), between the second telescopic shell (12) and the third telescopic shell (13), and between the third telescopic shell (13) and the fourth telescopic shell (14), and the limiting structure (15) can fix the second telescopic shell (12), the third telescopic shell (13), and the fourth telescopic shell (14) at the bottom or top of the first telescopic shell (11), the second telescopic shell (12), and the third telescopic shell (13), respectively; The folding suspension (2) comprises a support frame (21) fixed on the mounting head (16); the lower end and the upper end of the support frame (21) are respectively hinged with a first connecting rod (22) and a second connecting rod (23); the free end of the first connecting rod (22) is hinged with a third connecting rod (24) and a fourth connecting rod (25); the free end of the second connecting rod (23) is hinged with a fifth connecting rod (26); the free ends of the third connecting rod (24) and the fourth connecting rod (25) are respectively hinged to the middle of the second connecting rod (23) and the fifth connecting rod (26); the free end of the fifth connecting rod (26) and the top of the support frame (21) are both provided with a mounting port (27) for connecting the equipment to be suspended; The transmission mechanism (3) comprises a first transmission rod (31) located inside the telescopic mechanism (1), a second transmission rod (32) being slidably mounted inside the first transmission rod (31), a third transmission rod (33) being slidably mounted inside the second transmission rod (32), a fourth transmission rod (34) being slidably mounted inside the third transmission rod (33), a base (39) being fixed at the lower end of the first transmission rod (31), the base (39) being rotatably mounted on the outer wall of the first telescopic shell (11), a driving wheel (341) being provided at the upper end of the fourth transmission rod (34), the driving wheel (341) being rotatably mounted inside the mounting head (16), a driven member (4) being meshed with the driving wheel (341), the rotating base (39) being able to drive the driving wheel (341) to rotate through the first transmission rod (31), the second transmission rod (32), the third transmission rod (33) and the fourth transmission rod (34), and the driving wheel (341) being able to drive the driven member (4) to rotate the first connecting rod (22).

2. The portable device mounting device according to claim 1, characterized in that: The driving wheel (341) adopts a face gear, and the driven member (4) includes a driven shaft (41). The two ends of the driven shaft (41) are rotatably mounted on the two sides of the support frame plate (21). A first driven wheel (42) and a second driven wheel (43) are fixed on the driven shaft (41). The first driven wheel (42) is meshed with the driving wheel (341). The second driven wheel (43) is meshed with a third driven wheel (44). The third driven wheel (44) is rotatably mounted on the support frame plate (21). The third driven wheel (44) is meshed with a fourth driven wheel (45). The fourth driven wheel (45) is fixed on the end of the first connecting rod (22) hinged to the support frame plate (21).

3. The portable device mounting device according to claim 2, characterized in that: The first transmission rod (31), the second transmission rod (32) and the third transmission rod (33) are provided with a plurality of inner tooth grooves (35) in the circumferential direction, and the second transmission rod (32), the third transmission rod (33) and the fourth transmission rod (34) are provided with a plurality of outer tooth gears (36) in the circumferential direction, and the outer tooth gears (36) on the second transmission rod (32), the third transmission rod (33) and the fourth transmission rod (34) are respectively meshed with the inner tooth grooves (35) of the first transmission rod (31), the second transmission rod (32) and the third transmission rod (33).

4. The portable device mounting device according to claim 3, characterized in that: The tops of the first transmission rod (31), the second transmission rod (32) and the third transmission rod (33) are provided with inner bosses (37), and the bottoms of the second transmission rod (32), the third transmission rod (33) and the fourth transmission rod (34) are provided with outer bosses (38); when the second telescopic shell (12), the third telescopic shell (13) and the fourth telescopic shell (14) are respectively located at the tops of the first telescopic shell (11), the second telescopic shell (12) and the third telescopic shell (13), the outer bosses (38) at the bottoms of the second transmission rod (32), the third transmission rod (33) and the fourth transmission rod (34) are respectively abutted against the inner bosses (37) at the tops of the first transmission rod (31), the second transmission rod (32) and the third transmission rod (33).

5. The portable device mounting device according to any one of claims 1 to 4, characterized in that: The limiting structure (15) comprises internal threads arranged at the top and bottom of the first telescopic shell (11), the second telescopic shell (12) and the third telescopic shell (13), and the bottoms of the second telescopic shell (12), the third telescopic shell (13) and the fourth telescopic shell (14) are provided with external threads capable of cooperating with the internal threads.

6. The portable device mounting device according to any one of claims 1 to 4, characterized in that: An annular groove is provided on the outer side of the bottom of the first telescopic shell (11), and an annular protrusion (391) is provided inside the base (39), and the annular protrusion (391) is slidably installed in the annular groove; two symmetrical clamping grooves are provided inside the base (39), and a clamping strip (311) is fixed at the lower end of the first transmission rod (31), and the two ends of the clamping strip (311) are respectively clamped in the two clamping grooves.

7. The portable device mounting device according to any one of claims 1 to 4, characterized in that: An anti-collision bottom bracket (5) is detachably mounted on the lower end of the base (39).

8. The portable device mounting device according to any one of claims 1 to 4, characterized in that: Both sides of the bottom of the support frame plate (21) are provided with mounting holes (211), and both sides of the mounting head (16) are provided with elastic buckles (161), and the two elastic buckles (161) are respectively clamped in the two mounting holes (211) of the support frame plate (21).