Tripod capable of quickly locking height of middle pipe

By designing a tripod with a quick-locking height via a central tube, the problem of cumbersome height adjustment in traditional tripods is solved, achieving rapid adjustment and stability, and adapting to horizontal and height adjustments under different ground conditions.

CN223499245UActive Publication Date: 2025-10-31TERIS (TIANJIN) FILM & TELEVISION EQUIP TECH CO LTD
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Patent Information

Application Number
CN202423303359.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-10-31
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional tripods require adjusting three levers to adjust the height, which is quite cumbersome.

Method used

A tripod with a quick-locking center tube height was designed, including an adjustable center tube assembly and a ball joint leveling assembly. The height can be quickly adjusted by the adjustable center tube assembly, the ball joint leveling assembly maintains stability on uneven ground, the adjustable connecting assembly enables multi-angle adjustment, and the fastening telescopic leg assembly adjusts the support height.

Benefits of technology

It enables rapid adjustment and stability of tripod height, adapts to horizontal adjustment under different ground conditions, simplifies the operation process, and meets multi-angle and height requirements.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a tripod with a middle pipe capable of quickly locking the height, which comprises an adjustable middle pipe assembly, the top of the adjustable middle pipe assembly is connected with a ball head leveling assembly, and the adjustable middle pipe assembly is connected with a fastening type telescopic foot pipe assembly through three adjusting connecting assemblies. The height of the tripod can be controlled by only one locking point, the adjustable range is enlarged by adopting a two-stage three-section form, the height range of daily shooting is met, and the tripod can be rapidly adjusted to be horizontal even if the ground is uneven in cooperation with a rapid ball head leveling platform.
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Description

Technical Field

[0001] This utility model relates to the field of photographic equipment technology, specifically to a tripod with a quick-locking height in the center tube. Background Technology

[0002] A photography tripod is a support frame used to stabilize photographic equipment such as cameras and mobile phones to achieve certain photographic effects. Tripods are the most common type. Currently, telescopic photography tripods are widely used for selfies and photography with shooting devices (such as mobile phones or cameras). They can be supported on a flat surface and can be extended or retracted within a certain length range. Users only need to set the shooting equipment on the telescopic photography tripod to take pictures. They can be used for handheld shooting or shooting while supported on a flat surface. A typical photography tripod includes legs and a mounting platform. The legs are rotated and installed under the mounting platform, which is equipped with screws for the camera equipment.

[0003] Traditional tripods require three levers to adjust the height, making the process rather cumbersome.

[0004] There are currently no effective solutions to the problems in the relevant technologies. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the purpose of this utility model is to propose a tripod with quick height locking in the middle tube.

[0006] To achieve the above objectives, this utility model is implemented through the following technical solution: a tripod with a quick-locking height of the center tube, including an adjustable center tube assembly, a ball joint leveling component connected to the top of the adjustable center tube assembly, and a fastening telescopic leg tube assembly connected to the adjustable center tube assembly through three adjusting connecting components.

[0007] Preferably, the adjustable middle tube assembly includes a main spindle telescopic inner tube and a main spindle telescopic outer tube. The main spindle telescopic inner tube is sleeved inside the main spindle telescopic outer tube, and a connecting hook is fixedly connected to the bottom of the main spindle telescopic outer tube through a fixed tube sleeve.

[0008] Preferably, the ball head leveling assembly includes a ball head connecting screw, a flat bowl, an adjusting nut, an adjusting bowl, a rotating bowl, a bearing, an adjusting seat, an adjusting rod, an adjusting knob, a main shaft, a locking knob, a locking rod, a connecting seat, a telescopic adjusting handle, a limiting sleeve, and a connecting tube seat. The ball head connecting screw is installed at the center of the flat bowl, the flat bowl is located on the rotating bowl, the adjusting bowl is located inside the rotating bowl, the adjusting seat has the adjusting bowl and the bearing respectively on its upper and lower sides, and the adjusting rod passes through the adjusting seat, the rotating bowl, the bearing, and the adjusting bowl and is connected to the adjusting nut.

[0009] Preferably, the adjusting knob is sleeved on the end of the main shaft and cooperates with the adjusting seat. A groove is provided on one side of the main shaft, and a locking knob is rotatably provided in the groove. A locking rod located inside the main shaft is fixedly connected to the center of the locking knob. The bottom end of the locking rod is connected to the connecting seat. The limiting sleeve is sleeved on the connecting seat. The connecting tube seat is sleeved on the limiting sleeve. The telescopic adjusting handle is sleeved on the connecting tube seat. The top of the telescopic inner tube of the main shaft is sleeved in the telescopic adjusting handle. A limiting piece is provided at the bottom end of the telescopic inner tube of the main shaft.

[0010] Preferably, the adjusting connection assembly includes a limiting sleeve two located outside the main shaft telescopic outer tube. A foot cup is fitted over the limiting sleeve two, and the foot cup has three evenly spaced teeth. An adjusting handle is fitted over the foot cup. A rotating shaft is connected to the foot cup via a fixing screw and a positioning washer. The rotating shaft is assembled with a stop button and the foot cup. A spring is fitted between the stop button and the bracket.

[0011] Preferably, the fastening telescopic leg assembly includes an outer frame tube and an inner frame tube. One end of the outer frame tube is inserted into the insert, and the inner frame tube is slidably fitted inside the outer frame tube. A handle is installed on the ball joint of the leg by a hex screw.

[0012] Preferably, a pipe clamp limiting sleeve is provided at the bottom connection between the outer tube of the frame and the inner tube of the frame. A pipe clamp is provided on the outer sleeve of the pipe clamp limiting sleeve. A connecting screw is installed on the pipe clamp. The other end of the connecting screw is connected to a hexagonal nut. A lever shaft is connected to the pipe clamp through a connecting screw, and a locking piece is provided between the lever shaft and the connecting screw. The lever shaft is rotatably mounted on the pipe clamp lever. The bottom of the inner tube of the frame is connected to a foot through an inner tube plug.

[0013] This utility model provides a tripod with a quick-locking height adjustment mechanism for the center tube, which has the following advantages:

[0014] The adjustable center tube assembly allows for quick height adjustment of the entire tripod, with a single step to adjust its length and accommodate different height requirements. The ball joint leveling assembly ensures rapid leveling even on uneven ground. The adjustable connecting assembly connects the three telescopic leg assemblies, allowing for adjustment of different tilt angles and three different levels of stability. The telescopic leg assemblies allow for height adjustment by extending the inner tube beyond the outer tube as needed. This design is user-friendly, requiring only one locking point to control the tripod height. The two-stage, three-section design increases the adjustable range to meet the height requirements of everyday shooting. Combined with the quick ball joint leveling platform, leveling can be achieved quickly even on uneven ground. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a front view of a center-tube quick-locking height tripod according to an embodiment of the present utility model;

[0017] Figure 2 This is a structural schematic diagram of an adjustable center tube assembly in a tripod with quick-locking center tube height according to an embodiment of the present utility model;

[0018] Figure 3 This is a schematic diagram of the assembly structure of the ball joint leveling component in a tripod with quick height locking in the middle tube, according to an embodiment of the present utility model.

[0019] Figure 4 This is a structural schematic diagram of a fastening telescopic leg assembly in a tripod with quick-locking height according to an embodiment of the present utility model;

[0020] Figure 5 This is a schematic diagram of the assembly structure of a tripod center tube clamp lever for quick locking height of the center tube according to an embodiment of the present utility model;

[0021] Figure 6 This is a schematic diagram of the assembly structure of the adjustable connecting component in a tripod with a quick-locking height in the middle tube, according to an embodiment of the present utility model.

[0022] In the picture:

[0023] 1. Ball joint connecting screw; 2. Flat cup; 3. Adjusting nut; 4. Adjusting cup; 5. Rotating cup; 6. Bearing; 7. Adjusting seat; 8. Adjusting rod; 9. Adjusting knob; 10. Spindle; 11. Locking knob; 12. Locking rod; 13. Connecting seat; 14. Telescopic adjustment handle; 15. Limit sleeve one; 16. Connecting tube seat; 17. Spindle telescopic inner tube; 18. Limit piece; 19. Frame adjustment handle; 20. Limit sleeve two; 21. Stand ball cup; 22. Fixing screw; 23. Positioning washer; 24. Rotating shaft; 25. Gear button; 26. 27. Spring; 28. Insert bracket; 29. ​​Main spindle telescopic outer tube; 30. Fixed tube sleeve; 31. Connecting hook; 32. Hex screw; 33. Handle; 34. Frame outer tube; 35. Pipe clamp handle; 36. Handle shaft; 37. Locking plate; 38. Connecting screw one; 39. Hex nut; 40. Connecting screw two; 41. Pipe clamp; 42. Pipe clamp limit sleeve; 43. Frame inner tube; 44. Inner tube plug; 45. Foot; 46. Adjustable middle tube assembly; 47. Ball head leveling assembly; 48. Adjustable connecting assembly; 49. Fastening telescopic foot tube assembly. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-6 This utility model provides a tripod with a quick-locking height control for the center tube, including an adjustable center tube assembly 45. The adjustable center tube assembly 45 allows for rapid height adjustment of the entire tripod, requiring only one step to adjust its length and adapt to different height requirements. A ball joint leveling assembly 46 is connected to the top of the adjustable center tube assembly 45, enabling quick leveling even on uneven ground. Three adjustable connecting assemblies 47 connect the adjustable center tube assembly 45 to a fastening telescopic leg assembly 48. The adjustable connecting assemblies 47 connect the three fastening telescopic leg assemblies 48 and allow for adjustment of different tilt angles to achieve three different adjustment levels, ensuring the stability of the entire tripod. The fastening telescopic leg assembly 48 allows for adjustment of the length of the inner tube 43 extending beyond the outer tube 33, thus adjusting the support height.

[0026] In one embodiment, please refer to the appendix to the specification. Figure 2-3As shown, the adjustable middle tube assembly 45 includes a main spindle telescopic inner tube 17 and a main spindle telescopic outer tube 28. The main spindle telescopic inner tube 17 is sleeved inside the main spindle telescopic outer tube 28. The bottom of the main spindle telescopic outer tube 28 is fixedly connected to a connecting hook 30 via a fixing sleeve 29. The ball head leveling assembly 46 includes a ball head connecting screw 1, a flat bowl 2, an adjusting nut 3, an adjusting bowl 4, a rotating bowl 5, a bearing 6, an adjusting seat 7, an adjusting rod 8, an adjusting knob 9, a main spindle 10, a locking knob 11, a locking rod 12, a connecting seat 13, a telescopic adjusting handle 14, a limiting sleeve 15, and a connecting tube seat 16. The ball head connecting screw 1 is installed at the center of the flat bowl 2, the flat bowl 2 is located on the rotating bowl 5, the adjusting bowl 4 is located inside the rotating bowl 5, and the adjusting bowls are respectively provided on the upper and lower sides of the adjusting seat 7. 4 and the bearing 6, the adjusting rod 8 passes through the adjusting seat 7, the rotating bowl 5, the bearing 6 and the adjusting bowl 4 and is connected to the adjusting nut 3, the adjusting knob 9 is sleeved on the end of the main shaft 10 and cooperates with the adjusting seat 7, a groove is opened on one side of the main shaft 10, a locking knob 11 is rotatably installed in the groove, a locking rod 12 located inside the main shaft 10 is fixedly connected at the center of the locking knob 11, the bottom end of the locking rod 12 is connected to the connecting seat 13, the limiting sleeve 15 is sleeved on the connecting seat 13, the connecting tube seat 16 is sleeved on the limiting sleeve 15, the telescopic adjusting handle 14 is sleeved on the connecting tube seat 16, the top of the main shaft telescopic inner tube 17 is sleeved in the telescopic adjusting handle 14, and the bottom end of the main shaft telescopic inner tube 17 is provided with a limiting piece 18. The telescopic adjustment handle 14 is screwed on the connecting tube seat 16, causing the limiting sleeve 15 to press against and separate from the tapered surface of the inner surface of the connecting tube seat 16. When separated, the length of the main shaft telescopic inner tube 17 in the main shaft telescopic outer tube 28 can be adjusted, thereby adjusting its overall length. When pressed, it limits the movement and achieves a fixed effect, thus achieving the purpose of telescopic adjustment. At the same time, the rotating bowl 5 is fitted into the inner groove at the upper end of the telescopic adjustment handle 14, and the limiting sleeve 15 allows the limiting sleeve 15 to rotate within the telescopic adjustment handle 14, while restricting its movement in other directions. The ball head connecting screw 1 is fitted with the limiting sleeve part, so the main shaft telescopic inner tube 17 and the limiting piece 18 will not swing back and forth or fall off when moving within the main shaft telescopic outer tube 28.

[0027] During leveling, the adjusting knob 9 will drive the adjusting seat 7 to rotate. The adjusting seat 7 has two protruding positions, positioned inside the adjusting knob 9. The adjusting nut 3 and the adjusting rod 8 are screwed together. The outer hexagon of the adjusting rod 8 is locked onto the inner hexagon of the adjusting seat 7. The adjusting cup 4 and the rotating cup 5 are arc-shaped, which can achieve a self-righting movement, thus allowing adjustment to any desired angle. When the adjusting knob 9 rotates with the adjusting seat 7, the screws of the adjusting nut 3 and the adjusting rod 8 will move up and down. For convenient movement, a bearing 6 is installed. During movement, the adjusting cup 4 and the rotating cup 5 will tighten or loosen, realizing the functions of angle selection and locking positioning.

[0028] In one embodiment, please refer to the appendix to the specification. Figure 2 and Figure 5 As shown, the adjusting connection assembly 47 includes a limiting sleeve 20 located outside the main shaft telescopic outer tube 28. The limiting sleeve 20 is fitted with a foot cup 21, and the foot cup 21 is evenly provided with three teeth. The foot cup 21 is fitted with a frame adjusting handle 19. The foot cup 21 is connected to a rotating shaft 24 by a fixing screw 22 and a positioning washer 23. The rotating shaft 24 is assembled with a stop button 25 and the foot cup 21. A spring 26 is assembled between the stop button 25 and the bracket 27. Three brackets 27 are connected by three teeth on the ball joint 21 of the tripod, and one end of the outer tube 33 of the tripod is inserted into the bracket 27. The rotating shaft 24 is used in conjunction with the gear button 25. During adjustment, the gear button 25 will be locked on the teeth of the ball joint 21 of the tripod. When changing gears, press down on the gear button 25. After reaching the desired gear, release the gear button 25. The spring 26 will cause the gear button 25 to push upward, thus realizing the control and adjustment of different gears.

[0029] In one embodiment, please refer to the appendix to the specification. Figure 3 and Figure 6As shown, the fastening telescopic leg assembly 48 includes an outer frame tube 33 and an inner frame tube 42. One end of the outer frame tube 33 is inserted into the insert 27. The inner frame tube 42 is slidably fitted inside the outer frame tube 33. A handle 32 is installed on the ball cup 21 of the leg frame through a hex screw 31. A pipe clamp limiting sleeve 41 is fitted at the bottom connection between the outer frame tube 33 and the inner frame tube 42. A pipe clamp 40 is fitted over the pipe clamp limiting sleeve 41. A connecting screw 37 is installed on the pipe clamp 40. The other end of the connecting screw 37 is connected to a hex nut 38. A lever shaft 35 is connected to the pipe clamp 40 through a connecting screw 39. A locking piece 36 is provided between the lever shaft 35 and the connecting screw 39. The lever shaft 35 is rotatably mounted on the pipe clamp lever 34. The bottom of the inner frame tube 42 is connected to a foot 44 through an inner tube plug 43. By fitting the inner tube 42 of the frame inside the outer tube 33 of the frame, during adjustment, the pipe clamp lever 34 is opened, causing the pipe clamp lever 34 to rotate around the lever shaft 35, thereby loosening the pipe clamp 40. This allows the inner tube 42 of the frame to extend out of the outer tube 33 to the required distance. Then, the pipe clamp lever 34 is reset, at which point the pipe clamp 40 is tightened. This, together with the pipe clamp limiting sleeve 41, secures the inner tube 42 of the frame, and the locking piece 36 ensures the locking effect.

[0030] In practical applications, the adjustable center tube assembly 45 allows for quick height adjustment of the entire tripod, enabling length adjustment in a single step to accommodate different height requirements. The ball joint leveling assembly 46 ensures rapid leveling even on uneven ground. The adjustable connecting assembly 47 connects the three fastening telescopic leg assemblies 48, allowing for adjustment of different tilt angles to achieve three different levels of stability. The fastening telescopic leg assemblies 48 allow for height adjustment by extending the inner tube 45 beyond the outer tube 33 as needed. This invention is easy to use, requiring only one locking point to control the tripod height. Its two-stage, three-section design increases the adjustable range, meeting the height requirements of everyday shooting. Combined with the quick ball joint leveling platform, leveling can be quickly adjusted even on uneven ground.

[0031] Although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A tripod with quick height locking via a central tube, characterized in that, It includes an adjustable center tube assembly (45), the top of which is connected to a ball head leveling assembly (46), and the adjustable center tube assembly (45) is connected to a fastening telescopic foot tube assembly (48) via three adjusting connection assemblies (47).

2. The tripod with quick height locking in the center tube according to claim 1, characterized in that, The adjustable central tube assembly (45) includes a main spindle telescopic inner tube (17) and a main spindle telescopic outer tube (28). The main spindle telescopic inner tube (17) is sleeved inside the main spindle telescopic outer tube (28). The bottom of the main spindle telescopic outer tube (28) is fixedly connected to a connecting hook (30) through a fixed tube sleeve (29).

3. A tripod with quick height locking in the center tube according to claim 2, characterized in that, The ball head leveling assembly (46) includes a ball head connecting screw (1), a flat bowl (2), an adjusting nut (3), an adjusting bowl (4), a rotating bowl (5), a bearing (6), an adjusting seat (7), an adjusting rod (8), an adjusting knob (9), a main shaft (10), a locking knob (11), a locking rod (12), a connecting seat (13), a telescopic adjusting handle (14), a limiting sleeve (15), and a connecting tube seat (16). The ball head connecting screw (1) is installed at the center of the flat bowl (2), the flat bowl (2) is located on the rotating bowl (5), the adjusting bowl (4) is located inside the rotating bowl (5), the adjusting seat (7) is provided with the adjusting bowl (4) and the bearing (6) on its upper and lower sides, respectively, and the adjusting rod (8) passes through the adjusting seat (7), the rotating bowl (5), the bearing (6), and the adjusting bowl (4) and is connected to the adjusting nut (3).

4. A tripod with quick height locking in the center tube according to claim 3, characterized in that, The adjustment knob (9) is sleeved on the end of the main shaft (10) and cooperates with the adjustment seat (7). A groove is provided on one side of the main shaft (10). A locking knob (11) is rotatably provided in the groove. A locking rod (12) located inside the main shaft (10) is fixedly connected at the center of the locking knob (11). The bottom end of the locking rod (12) is connected to the connecting seat (13). The limiting sleeve (15) is sleeved on the connecting seat (13). The connecting tube seat (16) is sleeved on the limiting sleeve (15). The telescopic adjustment handle (14) is sleeved on the connecting tube seat (16). The top of the telescopic inner tube (17) of the main shaft is sleeved in the telescopic adjustment handle (14). The bottom end of the telescopic inner tube (17) of the main shaft is provided with a limiting piece (18).

5. A tripod with quick height locking in the center tube according to claim 4, characterized in that, The adjustment connection assembly (47) includes a limiting sleeve (20) located outside the main shaft telescopic outer tube (28). The limiting sleeve (20) is covered with a foot cup (21), and the foot cup (21) is evenly provided with three teeth. The foot cup (21) is covered with a frame adjustment handle (19). The foot cup (21) is connected to a rotating shaft (24) by a fixing screw (22) and a positioning washer (23). The rotating shaft (24) is assembled with the foot cup (21) in conjunction with a stop button (25). A spring (26) is assembled between the stop button (25) and the bracket (27).

6. A tripod with quick-locking height adjustment for the center tube according to claim 5, characterized in that, The fastening telescopic leg assembly (48) includes an outer frame tube (33) and an inner frame tube (42). One end of the outer frame tube (33) is inserted into the bracket (27). The inner frame tube (42) is slidably sleeved in the outer frame tube (33). A handle (32) is installed on the ball cup (21) of the leg frame by a hex screw (31).

7. A tripod with quick-locking height adjustment for the center tube according to claim 6, characterized in that, A pipe clamp limiting sleeve (41) is fitted at the bottom connection of the outer tube (33) and the inner tube (42) of the frame. A pipe clamp (40) is fitted on the outer sleeve of the pipe clamp limiting sleeve (41). A connecting screw (37) is installed on the pipe clamp (40). The other end of the connecting screw (37) is connected to a hexagonal nut (38). A lever shaft (35) is connected to the pipe clamp (40) through a connecting screw (39). A locking piece (36) is provided between the lever shaft (35) and the connecting screw (39). The lever shaft (35) is rotatably mounted on the pipe clamp lever (34). The bottom of the inner tube (42) of the frame is connected to a foot (44) through an inner tube plug (43).