Hollow threading rotating shaft structure

Abstract

The utility model is applicable to the technical field of rotating shaft structures, and provides a hollow threading rotating shaft structure which comprises a rotating shaft body, the middle of the rotating shaft body is hollow, the periphery of the rotating shaft body is fixedly sleeved with an installation cylinder, the periphery of the rotating shaft body is further fixedly sleeved with a limiting ring, and a rotating sleeve is arranged between the limiting ring and the installation cylinder. The periphery of the rotating shaft body is rotationally sleeved with the rotating sleeve, a damping adjusting mechanism is arranged in the mounting cylinder and used for adjusting rotating damping of the rotating sleeve, the damping adjusting mechanism comprises a moving ring, a damping ring and a threaded groove, the moving ring is arranged in the mounting cylinder in a sliding mode, and the damping ring is arranged in the threaded groove. And the damping ring is arranged in the mounting cylinder in a sliding manner. By arranging the damping adjusting mechanism, the rotating damping of the rotating sleeve can be adjusted according to needs before the device is installed, so that accessories with different dampers do not need to be replaced, and the application range of the device is widened.

Description

Technical Field

[0001] The utility model belongs to a rotating shaft structure, in particular to a hollow threadable rotating shaft structure. Background Art

[0002] As the name suggests, the rotating shaft is a shaft that must be used to connect the main parts of the product and is used to withstand both bending moments and torques during rotation. The hollow rotating shaft is hollow inside the rotating shaft, which makes it convenient to route the wires inside the rotating shaft.

[0003] However, the existing shaft structure has the following shortcomings:

[0004] The existing shaft structure generally has fixed rotation damping. If you want to adjust the damping of the shaft, you generally need to replace different damping components, which leads to the problem of inventory backlog of too many types of damping accessories. Utility Model Content

[0005] The utility model provides a hollow threadable rotating shaft structure, which aims to solve the problem of the hollow threadable rotating shaft structure mentioned in the above background technology.

[0006] The utility model is realized as follows: a hollow threadable shaft structure includes a shaft body, the middle portion of the shaft body is hollow, a mounting tube is fixedly sleeved on the outer periphery of the shaft body, a limiting ring is fixedly sleeved on the outer periphery of the shaft body, a rotating sleeve is provided between the limiting ring and the mounting tube, the rotating sleeve is rotatably sleeved on the outer periphery of the shaft body, a damping adjustment mechanism is provided inside the mounting tube, and the damping adjustment mechanism is used to adjust the rotation damping of the rotating sleeve;

[0007] The damping adjustment mechanism includes a moving ring, a damping ring and a threaded groove. The moving ring is slidably arranged inside the mounting tube. The damping ring is slidably arranged inside the mounting tube. A compression spring is provided between the moving ring and the damping ring. One end of the compression spring abuts against the damping ring, and the other end of the compression spring abuts against the moving ring.

[0008] The thread groove is provided at the end of the mounting tube, and the number of the thread grooves is set to two. Adjustment bolts are threadedly connected to the inside of the two thread grooves, and the ends of the two adjustment bolts are both against the movable ring;

[0009] By rotating the two adjusting threads, the depth to which the ends of the two adjusting bolts are inserted into the mounting tube can be adjusted. At the same time, the ends of the two adjusting bolts will squeeze the moving ring and squeeze and compress the compression spring through the moving ring. Therefore, the compression degree of the compression spring can be adjusted in the above manner. By adjusting the compression degree of the compression spring, the force of the compression spring squeezing the damping ring can be adjusted, thereby adjusting the friction between the damping ring and the rotating sleeve, and then adjusting the damping during the rotation of the rotating sleeve. The above method can be used to adjust the rotation damping size of the rotating sleeve as needed before installing the device.

[0010] Preferably, the damping ring is composed of an annular gasket and a friction ring, the friction ring extends to the outside of the mounting tube, and the friction ring matches the rotating sleeve. By providing the annular gasket, the force of the compression spring on the soft friction ring can be more evenly applied, and the friction ring extends to the outside of the mounting tube and can contact the rotating sleeve.

[0011] Preferably, the end of the rotating sleeve is fixedly connected to a mounting plate, and a plurality of fixing holes are opened on the surface of the mounting plate;

[0012] The connection and fixation between the rotating sleeve and the workpiece can be facilitated by providing fixing holes on the surface of the mounting plate.

[0013] Preferably, the outer circumference of the mounting plate is provided with chamfers at the bends, and a positioning hole is provided in the middle of the mounting plate;

[0014] By plugging the positioning hole in the middle of the mounting plate into the positioning protrusion reserved on the surface of the workpiece, the multiple fixing holes on the surface of the mounting plate can be easily aligned with the holes reserved on the surface of the workpiece.

[0015] Preferably, one end of the shaft body is provided with a chamfer;

[0016] By arranging a chamfer on the end of the rotating shaft body, the end of the rotating shaft body can be easily inserted into the hole reserved in the workpiece.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: a hollow threadable rotating shaft structure of the present invention:

[0018] By setting up the damping adjustment mechanism, the rotation damping of the rotating sleeve can be adjusted as needed before installing the device, thereby eliminating the need to replace accessories with different damping, thereby facilitating the improvement of the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a cross-sectional view of the damping adjustment mechanism of the present utility model;

[0021] Figure 3 This is a schematic diagram of the mounting plate structure of the present utility model;

[0022] Figure 4 This is a schematic diagram of the damping ring structure of the present utility model.

[0023] In the picture:

[0024] 1. Rotating shaft body; 11. Mounting cylinder; 12. Limiting ring; 13. Rotating sleeve;

[0025] 2. Damping adjustment mechanism; 21. Moving ring; 22. Damping ring; 23. Threaded groove; 24. Compression spring; 25. Adjusting bolt;

[0026] 221, annular gasket; 222, friction ring;

[0027] 3. Mounting plate; 4. Fixing hole; 5. Positioning hole. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.

[0030] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0031] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0033] See also Figure 1-4 The utility model provides a technical solution: a hollow threadable shaft structure, including a shaft body 1, a hollow middle portion of the shaft body 1, a mounting tube 11 fixedly sleeved on the outer periphery of the shaft body 1, a limiting ring 12 fixedly sleeved on the outer periphery of the shaft body 1, a rotating sleeve 13 provided between the limiting ring 12 and the mounting tube 11, the rotating sleeve 13 being provided on the outer periphery of the shaft body 1, a damping adjustment mechanism 2 provided inside the mounting tube 11, the damping adjustment mechanism 2 being used to adjust the rotation damping of the rotating sleeve 13;

[0034] The damping adjustment mechanism 2 includes a moving ring 21, a damping ring 22, and a threaded groove 23. The moving ring 21 is slidably disposed inside the mounting tube 11. The damping ring 22 is slidably disposed inside the mounting tube 11. A compression spring 24 is provided between the moving ring 21 and the damping ring 22. One end of the compression spring 24 abuts against the damping ring 22, and the other end of the compression spring 24 abuts against the moving ring 21.

[0035] The thread groove 23 is formed at the end of the mounting tube 11 . There are two thread grooves 23 . Adjustment bolts 25 are threadedly connected to the inside of the two thread grooves 23 . The ends of the two adjustment bolts 25 are against the movable ring 21 .

[0036] Furthermore, the damping ring 22 is composed of an annular gasket 221 and a friction ring 222 . The friction ring 222 extends to the outside of the mounting cylinder 11 , and the friction ring 222 matches the rotating sleeve 13 .

[0037] Furthermore, the end of the rotating sleeve 13 is fixedly connected to the mounting plate 3 , and a plurality of fixing holes 4 are opened on the surface of the mounting plate 3 .

[0038] Furthermore, chamfers are provided at the bends of the outer periphery of the mounting plate 3 , and a positioning hole 5 is provided in the middle of the mounting plate 3 .

[0039] Furthermore, one end of the shaft body 1 is chamfered.

[0040] The working principle and use process of this utility model:

[0041] By rotating the two adjusting threads, the depth to which the ends of the two adjusting bolts 25 are inserted into the mounting tube 11 can be adjusted. At the same time, the ends of the two adjusting bolts 25 will squeeze the movable ring 21, and squeeze and compress the compression spring 24 through the movable ring 21. Therefore, the compression degree of the compression spring 24 can be adjusted in the above manner. By adjusting the compression degree of the compression spring 24, the force of the compression spring 24 squeezing the damping ring 22 can be adjusted, thereby adjusting the friction between the damping ring 22 and the rotating sleeve 13, and then adjusting the damping during the rotation of the rotating sleeve 13. The above method can be used to adjust the rotation damping size of the rotating sleeve 13 as needed before installing the device.

Claims

1. A hollow threadable shaft structure, comprising a shaft body (1), characterized in that: The middle part of the rotating shaft body (1) is hollow, and a mounting cylinder (11) is fixedly sleeved on the outer periphery of the rotating shaft body (1). A limiting ring (12) is also fixedly sleeved on the outer periphery of the rotating shaft body (1). A rotating sleeve (13) is provided between the limiting ring (12) and the mounting cylinder (11). The rotating sleeve (13) is rotatably sleeved on the outer periphery of the rotating shaft body (1). A damping adjustment mechanism (2) is provided inside the mounting cylinder (11), and the damping adjustment mechanism (2) is used to adjust the rotation damping of the rotating sleeve (13). The damping adjustment mechanism (2) comprises a moving ring (21), a damping ring (22) and a threaded groove (23); the moving ring (21) is slidably arranged inside the mounting tube (11); the damping ring (22) is slidably arranged inside the mounting tube (11); a compression spring (24) is provided between the moving ring (21) and the damping ring (22); one end of the compression spring (24) abuts against the damping ring (22); and the other end of the compression spring (24) abuts against the moving ring (21); The thread groove (23) is opened at the end of the installation cylinder (11), and the number of the thread grooves (23) is set to two. The inside of the two thread grooves (23) is threadedly connected with an adjusting bolt (25), and the ends of the two adjusting bolts (25) are both against the moving ring (21).

2. A hollow threadable shaft structure according to claim 1, characterized in that: The damping ring (22) is composed of an annular gasket (221) and a friction ring (222). The friction ring (222) extends to the outside of the mounting cylinder (11). The friction ring (222) matches the rotating sleeve (13).

3. The hollow threadable shaft structure according to claim 1, wherein: The end of the rotating sleeve (13) is fixedly connected to a mounting plate (3), and a plurality of fixing holes (4) are provided on the surface of the mounting plate (3).

4. A hollow threadable shaft structure according to claim 3, characterized in that: The outer circumference of the mounting plate (3) is provided with chamfers at its bends, and a positioning hole (5) is provided in the middle of the mounting plate (3).

5. The hollow threadable shaft structure according to claim 1, wherein: One end of the rotating shaft body (1) is provided with a chamfer.

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