Centering rod of inner and outer pipe fixing seat with high integrated level

By designing a centering rod with an integrated inner and outer tube fixing seat with high integration, the problems of complex installation and poor portability of existing handbook brackets are solved, and the effect of simplifying installation operations, improving surveying and mapping accuracy and portability is achieved.

CN222505430UActive Publication Date: 2025-02-18SHENZHEN LIANGDAO TECH CO LTD
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Patent Information

Application Number
CN202421187576.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-27
Publication Date
2025-02-18
Estimated Expiration
2034-05-27

AI Technical Summary

Technical Problem

The existing handbook brackets can only hold the handbook. Other surveying and mapping tools require a separate mounting seat to be installed on the centering rod, resulting in too many mounting parts and a large space occupancy of the locking structure, which affects portability and operating efficiency.

Method used

A centering rod with an integrated inner and outer tube fixing seat with high integration is designed. By rotating the handbook bracket to the level mounting part, and an eccentric locking structure and positioning structure are set to reduce the number of mounting seats and simplify installation. Operation to improve portability.

Benefits of technology

It effectively reduces the number of mounting seats installed on the rod body, simplifies installation operations, improves installation efficiency and surveying and mapping accuracy, and improves the portability and operation convenience of users during use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a centering rod with an integrated high-integration inner and outer pipe fixing seat, the centering rod comprises an outer pipe, an inner pipe capable of stretching relative to the outer pipe and the integrated inner and outer pipe fixing seat, and the integrated inner and outer pipe fixing seat comprises a pipe clamping part sleeved on the outer pipe and gradienter mounting parts arranged on two sides of the pipe clamping part; the pipe clamping part comprises an inner pipe clamping part and an outer pipe clamping part, an eccentric locking structure is arranged on the inner pipe clamping part, and a positioning structure is arranged on the outer pipe clamping part. According to the inner pipe and outer pipe fixing seat with the high integrated degree, the centering rod can effectively improve the convenience of locking operation when a user uses the inner pipe and outer pipe fixing seat through an eccentric locking structure, meanwhile, the space occupied by the locking structure of the inner pipe is reduced, and the portability is improved. And the telescopic height of the inner pipe relative to the outer pipe can be effectively limited through the positioning structure, so that the surveying and mapping precision of the centering rod using the integrated inner and outer pipe fixing seat with high integration level is further improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of surveying and mapping, and particularly relates to a centering rod with an integrated inner and outer tube fixing seat with high integration. Background Art

[0002] The surveying notebook bracket device can facilitate the acquisition of surveying data and the operation of surveying work. The surveying notebook used for surveying data collection has become an indispensable tool in actual surveying work. The notebook bracket currently on the market can only be used to clamp the notebook. The tools such as the level bubble seat and the compass that improve the portability and accuracy of surveying need to be installed on the rod body of the surveying centering rod through the mounting seat alone, which leads to too many installation parts, resulting in low installation efficiency and complicated installation operation. In addition, the locking structure in the existing notebook bracket requires a large space, which is not convenient for users to carry and operate during use, and the portability is poor. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings that the existing notebook bracket can only be used to clamp the notebook, and the surveying and mapping tool needs to be installed on the rod body of the surveying and mapping centering rod through a separate mounting seat, resulting in too many mounting parts and the locking structure requires a large space, which is inconvenient for users to operate during use. A centering rod with an integrated inner and outer tube fixing seat with high integration is provided.

[0004] The utility model solves the technical problem by adopting the following technical solution: a centering rod with an integrated inner and outer tube fixing seat with high integration, the centering rod comprises an outer tube, an inner tube that can be telescoped relative to the outer tube, and an integrated inner and outer tube fixing seat, the integrated inner and outer tube fixing seat comprises a tube clamping part sleeved on the outer tube and a level installation part arranged on both sides of the tube clamping part;

[0005] The tube clamp portion includes an inner tube clamp portion and an outer tube clamp portion, the inner tube clamp portion is provided with an eccentric locking structure for locking the inner tube, the outer tube clamp portion is provided with a positioning structure for limiting the telescopic height of the inner tube, the notebook bracket is rotatably connected to the level mounting portion through a rotating structure, the outer tube clamp portion of the tube clamp portion is fixedly sleeved on the outer tube through a first locking piece, and the level mounting portion is provided with a rod body posture component.

[0006] Furthermore, the eccentric locking structure includes an eccentric lever and a second locking member passing through the inner tube clamp and abutting against the eccentric lever, the tail end of the eccentric lever forms a water drop-shaped locking portion and fits with the clamping end of the inner tube clamp, and the eccentric lever is rotated so that the locking portion presses the clamping end of the inner tube clamp inward and clamps the inner tube.

[0007] Furthermore, a rotating shaft for rotatably connecting the eccentric lever and the tube clamp portion is provided in the locking portion of the eccentric lever, and the front end of the second locking member is threadedly connected in the rotating shaft.

[0008] Furthermore, the positioning structure includes a positioning pin and a connecting rope for connecting the positioning pin to the first locking member. The inner tube is provided with a plurality of positioning holes for the positioning pin to be inserted. The positioning hole passes through the inner tube. The positioning pin is inserted into the positioning hole and the front end passes through the positioning hole, so that the positioning pin is embedded and fixed in the positioning hole.

[0009] Furthermore, a marble is provided on the positioning pin, and a receiving hole for receiving the positioning pin is provided on the tube clamp portion.

[0010] Furthermore, a button elastically connected to the level mounting portion is provided on the level mounting portion of the tube clamp portion, the button has an inwardly recessed snap-in groove and a snap-in portion for snapping a notebook holder, and the notebook holder is snap-in fixed by the snap-in portion of the button.

[0011] Furthermore, the level installation portion has a through hole, the clamping portion of the button is clamped and fixed to the notebook bracket through the through hole, and a plurality of angle adjustment holes are arranged on the end surface of the level installation portion.

[0012] Furthermore, a ground-piercing structure is provided at the bottom of the outer tube, and the centering rod can be fixed on the ground through the ground-piercing structure.

[0013] Furthermore, the inner tube clamp portion of the tube clamp portion is a hollow structure and forms a fixing cavity for accommodating the centering rod, and the shape of the fixing cavity is adapted to the shape of the centering rod.

[0014] Furthermore, a guide protrusion is provided on the inner tube of the tube clamp, and a guide groove is provided on the inner tube for the guide protrusion to be embedded in. The inner tube can be extended and retracted relative to the outer tube along the direction in which the guide protrusion is provided.

[0015] The beneficial effect of a centering rod with an integrated inner and outer tube fixing seat provided by the utility model is that: by integrally rotating and connecting the notebook bracket to the level mounting portion of the tube clamp portion, and installing the rod body posture component on the level mounting portion of the tube clamp portion, the number of mounting seats installed on the rod body can be effectively reduced, thereby effectively simplifying the installation operation and improving the installation efficiency while improving the surveying and mapping accuracy and portability by utilizing the rod body posture component. In addition, by providing an eccentric locking structure on the inner tube clamp portion, the space required for the locking structure of the inner tube can be reduced while effectively improving the convenience of the locking operation during use by the user, thereby improving portability. And the positioning structure can effectively limit the telescopic height of the inner tube relative to the outer tube, thereby avoiding the telescopic movement of the inner tube relative to the outer tube during the surveying and mapping process, further improving the surveying and mapping accuracy of the centering rod with an integrated inner and outer tube fixing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the structure of a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model;

[0017] Figure 2 A schematic diagram of the structure of an integrated inner and outer tube fixing seat in a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model Figure 1 ;

[0018] Figure 3 A schematic diagram of the structure of an integrated inner and outer tube fixing seat in a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model Figure 2 ;

[0019] Figure 4 A schematic diagram of the structure of an integrated inner and outer tube fixing seat in a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model Figure 3 .

[0020] Figure 5 A schematic diagram of a centering rod positioning structure with an integrated inner and outer tube fixing seat with high integration provided by the utility model;

[0021] Figure 6 A schematic diagram of the structure of an inner tube in a centering rod provided by the utility model having an integrated inner and outer tube fixing seat with high integration;

[0022] Figure 7 A schematic diagram of the structure of a button in a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model;

[0023] Figure 8It is a structural schematic diagram of a handbook bracket in a centering rod with an integrated inner and outer tube fixing seat with high integration provided by the utility model;

[0024] Fig. 9 for Figure 1 A partial enlarged view of point A in the middle.

[0025] In the figure: 100- a centering rod with an integrated inner and outer tube fixing seat with high integration,

[0026] 10-inner tube, 11-positioning hole, 12-connecting screw thread, 20-outer tube, 30-integrated inner and outer tube fixing seat, 31-tube clamp, 311-inner tube clamp, 3111-clamping end, 312-outer tube clamp,

[0027] 3121-first locking member, 3122-storage hole, 32-level instrument mounting part, 321-through hole, 322-angle adjustment hole, 323-strip hole, 40-eccentric locking structure, 41-eccentric lever, 42-second locking member, 43-rotating shaft, 50-positioning structure, 51-positioning pin, 511-marble, 52-anti-lost rope, 60-button, 61-clamping groove, 62-clamping part, 63-limiting bolt, 70-ground poking structure, 71-ground poking toe, 72-toe connecting column, 73-toe protection cover, 80-handbook bracket, 81-rotating shaft, 82-limiting pin, 90-rod body posture component, 91-level bubble meter, 92-compass DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] Embodiment 1:

[0030] See also Figure 1-Figure 9, a centering rod 100 with an integrated inner and outer tube fixing seat with high integration provided by the first embodiment of the utility model, the centering rod 100 with an integrated inner and outer tube fixing seat with high integration, the centering rod comprises an outer tube 20, an inner tube 10 that can be telescopic relative to the outer tube 20, and an integrated inner and outer tube fixing seat 30, the integrated inner and outer tube fixing seat 30 comprises a tube clamp portion 31 sleeved on the outer tube 20 and a leveler mounting portion 32 arranged on both sides of the tube clamp portion 31. The tube clamp portion 31 comprises an inner tube clamp portion 311 and an outer tube clamp portion 312, the inner tube clamp portion 311 is provided with an eccentric locking structure 40 for locking the inner tube 10, the outer tube clamp portion 312 is provided with a positioning structure 50 for limiting the telescopic height of the inner tube 10, the outer tube clamp portion 312 of the tube clamp portion 31 is fixedly sleeved on the outer tube 20 through a first locking member 3121, and the leveler mounting portion 32 is provided with a rod body posture component 90. In the embodiment provided by the utility model, the rod body posture component 90 includes a compass 92 and a horizontal bubble meter 91 respectively arranged on the level meter mounting part 32. By integrally rotating the notebook bracket 80 to the level meter mounting part 32 of the tube clamp part 31, and installing the compass 92 and the horizontal bubble seat on the level meter mounting part 32 of the tube clamp part 31, the number of mounting seats installed on the rod body can be effectively reduced, thereby effectively simplifying the installation operation and improving the installation efficiency while improving the mapping accuracy and portability by using the rod body posture component 90. When it is necessary to use the centering rod 100 with an integrated inner and outer tube fixing seat with high integration to perform mapping operations, firstly, the inner tube 10 is pulled upward to the required height according to the height scale on the inner tube 10, and then the inner tube 10 is locked by the eccentric locking structure 40, thereby effectively improving the convenience of the user's locking operation when using it, reducing the space required for the locking structure of the inner tube 10, and improving the portability of the centering rod 100 with an integrated inner and outer tube fixing seat with high integration. Finally, the telescopic height of the inner tube 10 relative to the outer tube 20 is limited by the positioning structure 50, so as to prevent the inner tube 10 from telescoping relative to the outer tube 20 during the surveying process, and further improve the surveying accuracy of the centering rod 100 using the integrated inner and outer tube fixing seat with high integration. In the embodiment provided by the utility model, the first locking member 3121 such as a bolt, a stud and a pin is used to pass through the outer tube clamp portion 312 of the tube clamp portion 31 and lock it, so as to effectively improve the stability of the integrated inner and outer tube fixing seat 30 fixed on the outer tube 20.

[0031] like Figure 2 and Figure 3As shown, the eccentric locking structure 40 includes an eccentric lever 41 and a second locking member 42 that passes through the inner tube clamp portion 311 and abuts against the eccentric lever 41. The tail end of the eccentric lever 41 forms a water drop-shaped locking portion that fits with the clamping end 3111 of the inner tube clamp portion 311. The eccentric lever 41 is rotated so that the locking portion presses the clamping section of the inner tube clamp portion 311 inward and clamps the inner tube 10. When the user uses the centering rod 100 with an integrated inner and outer tube fixing seat with a high degree of integration, the user first pushes the front end of the eccentric lever 41 inward so that the rotating portion rotates inward relative to the inner tube clamp portion 311 of the tube clamp portion 31, thereby causing the clamping end 3111 of the inner tube clamp portion 311 to move inward and release the locking state between the inner tube clamp portion 311 and the inner tube 10. Then, after the user pulls the inner tube 10 upward to the desired position, the user pushes the front end of the eccentric lever 41 inward so that the inner tube 10 is locked. The rotating portion is rotated inwardly relative to the inner tube clamp portion 311 of the tube clamp portion 31, so that the clamping end 3111 of the inner tube clamp portion 311 is squeezed inwardly by the rotating portion, so that the clamping end 3111 moves inwardly and clamps the inner tube 10, thereby effectively improving the convenience of the user in locking the inner tube 10 using the eccentric locking structure 40, while reducing the space required for the eccentric locking structure 40, thereby improving the portability of the centering rod 100 with an integrated inner and outer tube fixing seat with a high degree of integration.

[0032] like Figure 2 and Figure 3 As shown, in the embodiment provided by the utility model, a rotating shaft 43 for rotatably connecting the eccentric lever 41 with the inner tube clamping portion 311 is provided in the locking portion of the eccentric lever 41, and the front end of the second locking member 42 is threadedly connected in the rotating shaft 43. By using the second locking member 42 to pass through the inner tube clamping portion 311 of the tube clamping portion 31 and making the front end threadedly connected in the rotating shaft 43, the stability of the connection between the second locking member 42 and the rotating shaft 43 can be effectively ensured, thereby improving the stability of the rotating portion of the eccentric lever 41 when rotating around the rotating shaft 43 and effectively limiting the relative position between the rotating portion of the lever and the inner tube clamping portion 311 of the tube clamping portion 31, ensuring that the rotating portion and the clamping end 3111 of the inner tube clamping portion 311 are in close contact, thereby ensuring the accuracy of the operation of the rotating portion pushing the clamping end 3111 inwardly so that the inner tube clamping portion 311 clamps the inner tube 10.

[0033] like Figure 2 , Figure 5 and Figure 6As shown, the positioning structure 50 includes a positioning pin 51 and an anti-lost rope 52 for connecting the positioning pin 51 to the first locking member 3121. The inner tube 10 is provided with a plurality of positioning holes 11 for the positioning pin 51 to be inserted. The positioning holes 11 penetrate the inner tube 10. The positioning pin 51 is inserted into the positioning hole 11 and the front end passes out of the positioning hole 11. The marble 511 on the positioning pin is retained inside the inner tube 10, so that the positioning pin 51 is fixedly engaged with the positioning hole 11. In the embodiment provided by the utility model, the plurality of positioning holes 11 are respectively arranged at the common height scale. After the inner tube 10 is locked by the eccentric locking structure 40, the positioning pin 51 is inserted into the positioning hole 11 and the front end is passed out of the positioning hole 11, so that the positioning pin 51 can be fixed with the positioning hole 11, and the positioning pin 51 is attached to the top of the tube clamp 31, thereby preventing the inner tube 10 from expanding and contracting relative to the outer tube 20 during the surveying process, and further improving the surveying accuracy of the centering rod 100 with the integrated inner and outer tube fixing seat. A marble 511 is provided on the positioning pin 51, and a receiving hole 3122 for receiving the positioning pin 51 is provided on the outer tube clamp 312 of the tube clamp 31. The positioning pin 51 is connected to the first locking member 3121 through the anti-lost rope 52. When the centering rod 100 with the integrated inner and outer tube fixing seat is not used, the positioning pin 51 passes through the receiving hole 3122 and is received on the outer tube clamp portion 312 of the tube clamp portion 31, thereby effectively reducing the space required for the positioning pin 51 to be received on the tube clamp portion 31. When the positioning pin 51 is needed, the front end of the positioning pin 51 is pushed outward or the connection between the positioning pin 51 and the anti-lost rope 52 is pulled outward to realize the operation of detaching the positioning pin 51 from the receiving hole 3122. In addition, the marble 511 provided on the positioning pin 51 can effectively improve the stability of the positioning pin 51 being fixed in the receiving hole 3122 or the positioning hole 11 on the inner tube 10.

[0034] like Figure 2 , Figure 7 and Figure 8As shown, the level mounting part 32 of the tube clamp part 31 is provided with a button 60 elastically connected to the level mounting part 32, and the button 60 has a first clamping groove 61 and a clamping part 62 that are recessed and formed inwardly, and the notebook bracket 80 is clamped and fixed with the clamping part 62 of the button 60 through the second clamping groove 61. The level mounting part 32 has a through hole 321, and after the rotating shaft 81 of the notebook bracket 80 is inserted into the level mounting part 32, the clamping part 62 of the button 60 is clamped and fixed with the notebook bracket 80 through the through hole 321. When it is necessary to install the notebook holder 80 on the level mounting portion 32 of the tube clamp portion 31, first press the button 60 inward so that the snap-in groove 61 of the button 60 moves to the through hole 321 in the level mounting portion 32, then insert the rotating shaft 81 of the notebook holder 80 into the level mounting portion 32, and make the end face of the notebook holder 80 abut against the end face of the level mounting portion 32, then release the button 60, so that the button 60 slides to the initial position relative to the level mounting portion 32 under the elastic force of the spring, at this time, the end face of the snap-in portion 62 of the button 60 is snap-fitted into the rotating shaft 81 of the notebook holder 80, so that the rotating shaft 81 of the notebook holder 80 is snap-fitted and fixed with the snap-in portion 62 of the button 60, thereby realizing the operation of installing the notebook holder 80 on the level mounting portion 32. In the embodiment provided by the present new use, a strip hole 323 is provided at the bottom of the level mounting portion 32, a limiting bolt 63 passes through the strip hole 323 and is locked in the first limiting groove of the button 60, and the nut portion of the limiting bolt 63 abuts against the level mounting portion 32, thereby effectively limiting the displacement of the button 60 when elastically sliding relative to the level mounting portion 32.

[0035] like Figure 4 and Figure 8 As shown, a plurality of angle adjustment holes 322 are arranged on the end surface of the level mounting part 32 provided by the utility model. When the relative angle between the notebook bracket 80 and the level mounting part 32 of the tube clamp part 31 needs to be adjusted, the button 60 is first pressed inwardly so that the first limiting groove of the button 60 is located at the through hole 321 of the level mounting part 32, and then the notebook bracket 80 is pulled outwardly so that the limiting pin 82 of the notebook bracket 80 is disengaged from the angle adjustment hole 322 of the level mounting part 32, and then the notebook bracket 80 is rotated to the desired angle, and then the notebook bracket 80 is pushed inwardly and the limiting pin 82 is embedded in the angle adjustment hole 322, and finally the button 60 is released so that the end surface of the clamping part 62 of the button 60 is embedded in the second limiting groove of the rotating shaft 81 under the elastic force of the spring, so that the rotating shaft 81 of the notebook bracket 80 is clamped and fixed with the level mounting part 32 of the tube clamp part 31, thereby meeting the needs of customers to observe the notebook at different angles.

[0036] like Fig. 9As shown, in the embodiment provided by the utility model, a ground-piercing structure 70 is provided at the bottom of the outer tube 20, and the centering rod is fixed to the ground through the ground-piercing structure 70. A connecting screw 12 for connecting external equipment is provided on the inner tube 10, and the ground-piercing structure 70 includes a ground-piercing toe 71, a toe connecting column 72 for connecting the ground-piercing toe 71 to the bottom of the outer tube 20, and a toe protective cover 73. The ground-piercing structure 70 can effectively improve the stability of the centering rod fixed on the ground, thereby improving the surveying and mapping accuracy of the centering rod 100 with an integrated inner and outer tube fixing seat with high integration. The toe connecting column 72 provided by the utility model covers the end of the outer tube 20, thereby effectively preventing the outer tube 20 from bursting during use, and improving the safety of users when using the centering rod 100 with an integrated inner and outer tube fixing seat for surveying and mapping operations.

[0037] like Figure 2 As shown, in this embodiment, the tube clamp portion of the tube clamp portion 31 is a hollow structure, and forms a fixed cavity for accommodating the centering rod, and the shape of the fixed cavity is adapted to the shape of the centering rod. By setting the tube clamp portion of the tube clamp portion 31 as a hollow structure, the inner tube 10 can be extended and retracted relative to the outer tube 20 while rotating relative to the outer tube 20, so that the user can view the scale on the inner tube 10 in different directions, thereby further enriching the user's use scenarios of the centering rod 100 with an integrated inner and outer tube fixing seat with high integration.

[0038] Embodiment 2:

[0039] The difference between this embodiment and the first embodiment is that in this embodiment, a guide protrusion is provided on the inner tube clamp portion 311 of the tube clamp portion 31, and the inner tube 10 has a guide groove for the guide protrusion to be embedded in. The inner tube 10 can be extended and retracted relative to the outer tube 20 along the direction in which the guide protrusion is provided, or a limiting structure is used to prevent the inner tube from rotating relative to the outer tube and can only be extended and retracted vertically relative to the outer tube.

[0040] In this embodiment, when the inner tube 10 is extended or retracted relative to the outer tube 20, the inner tube 10 is vertically extended or retracted along the direction in which the guide protrusion of the inner tube clamp 311 is set, and cannot rotate relative to the outer tube 20, thereby effectively limiting the displacement of the inner tube 10 relative to the outer tube 20 when it is extended or retracted, and improving the positioning accuracy of the inner tube 10 during the extension and retraction process.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A centering rod with an integrated inner and outer tube fixing seat with high integration, characterized in that: The centering rod comprises an outer tube (20), an inner tube (10) that can be extended and retracted relative to the outer tube (20), and an integrated inner and outer tube fixing seat (30); the integrated inner and outer tube fixing seat (30) comprises a tube clamp portion (31) and level meter mounting portions (32) arranged on both sides of the tube clamp portion (31); and a notebook bracket (80) is rotatably connected to the level meter mounting portion (32) of the tube clamp portion (31); The tube clamp portion (31) comprises an inner tube clamp portion (311) and an outer tube clamp portion (312); the inner tube clamp portion (311) is provided with an eccentric locking structure (40) for locking the inner tube (10); the outer tube clamp portion (312) is provided with a positioning structure (50) for limiting the telescopic height of the inner tube (10); the outer tube clamp portion (312) of the tube clamp portion (31) is fixedly sleeved on the outer tube (20) via a first locking member (3121); and the level mounting portion (32) is provided with a rod posture component (90).

2. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The eccentric locking structure (40) comprises an eccentric lever (41) and a second locking member (42) passing through the inner tube clamp (311) and abutting against the eccentric lever (41); the tail end of the eccentric lever (41) forms a water drop-shaped locking portion and fits with the clamping end (3111) of the inner tube clamp (311); the eccentric lever (41) is rotated so that the locking portion presses the clamping end (3111) of the inner tube clamp (311) inwardly and clamps the inner tube (10).

3. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 2, characterized in that: A rotating shaft (43) for rotatably connecting the eccentric lever (41) and the inner tube clamp (311) is arranged in the locking portion of the eccentric lever (41), and the front end of the second locking member (42) is threadedly connected in the rotating shaft (43).

4. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The positioning structure (50) comprises a positioning pin (51) and an anti-lost rope (52) for connecting the positioning pin (51) to the first locking member (3121); the inner tube (10) is provided with a plurality of positioning holes (11) for the positioning pin (51) to be inserted; the positioning holes (11) penetrate the inner tube (10); the positioning pin (51) is inserted into the positioning hole (11) and the front end thereof passes out of the positioning hole (11), so that the positioning pin (51) is fixedly engaged with the positioning hole (11).

5. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 4, characterized in that: The positioning pin (51) is provided with a marble (511), and the tube clamp portion (31) is provided with a receiving hole (3122) for receiving the positioning pin (51).

6. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The level mounting portion (32) of the tube clamp portion (31) is provided with a button (60) elastically connected to the level mounting portion (32); the button (60) has a clamping groove (61) formed by an inward depression and a clamping portion (62) for clamping the notebook bracket (80); the notebook bracket (80) is clamped and fixed to the level mounting portion (32) via the clamping portion (62) of the button (60).

7. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 6, characterized in that: The level installation part (32) has a through hole (321) in it, the clamping part (62) of the button (60) is clamped and fixed with the notebook bracket (80) through the through hole (321), and a plurality of angle adjustment holes (322) are arranged on the end surface of the level installation part (32).

8. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The bottom of the outer tube (20) is provided with a ground-piercing structure (70), and the centering rod can be fixed on the ground through the ground-piercing structure (70).

9. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The inner tube clamp portion (311) of the tube clamp portion (31) is a hollow structure and forms a fixed cavity for accommodating the centering rod, and the shape of the fixed cavity is adapted to the shape of the inner tube of the centering rod.

10. The centering rod with an integrated inner and outer tube fixing seat with high integration according to claim 1, characterized in that: The inner tube clamp portion (311) of the tube clamp portion (31) is provided with a guide protrusion, the inner tube (10) has a guide groove for the guide protrusion to be embedded, and the inner tube (10) is telescopic relative to the outer tube (20) along the direction in which the guide protrusion is provided.