An adjustable spiral bevel gear

Abstract

The utility model discloses an adjustable spiral bevel gear, comprising a gear body and an adjusting threaded sleeve, wherein the gear body is composed of a spiral bevel gear head and a shaft sleeve, wherein the shaft sleeve is composed of a fixed sleeve, an adjusting threaded sleeve and a movable sleeve, wherein the fixed sleeve is connected to the spiral bevel gear head, wherein one end of the adjusting threaded sleeve is connected to the movable sleeve, wherein a thread groove is provided on the end surface of the fixed sleeve, and wherein the thread groove and the adjusting threaded sleeve are connected by threads; the utility model adopts a designed fixed sleeve, an adjusting threaded sleeve and a movable sleeve, wherein the shaft sleeve of the utility model is composed of a fixed sleeve, an adjusting threaded sleeve and a movable sleeve, wherein the movable sleeve is threadedly connected to the fixed sleeve by the adjusting threaded sleeve, wherein the overall length of the shaft sleeve is adjusted by screwing the threads, thereby adjusting the overall length of the gear, making the installation height adjustable, and avoiding the installation being restricted by height and affecting the application scope.

Description

Technical Field

[0001] The utility model belongs to the technical field of spiral bevel gears, and in particular relates to an adjustable spiral bevel gear. Background Art

[0002] Spiral bevel gears are spiral bevel gears, which are commonly used for motion and power transmission between two intersecting axes. The teeth of bevel gears are distributed on the surface of a cone, and the tooth shape gradually decreases from the large end to the small end. For example, the new self-lubricating spiral bevel gear with application number 202320091948.4 has an oil storage tank opened in the spiral bevel gear to store lubricating oil; multiple sets of oil extrusion mechanisms, which are respectively arranged between multiple teeth in the spiral bevel gear to lubricate the spiral bevel gear when the spiral bevel gear rotates; multiple oil extraction chambers, which are all opened in the spiral bevel gear to temporarily store the lubricating oil extracted by the oil extrusion mechanism; at the same time, it is not limited to the position of the gear, even if the gear is located on the outside, it does not affect the lubrication of the gear, but the above spiral bevel gear has the following defects:

[0003] (1) When assembling the existing spiral bevel gear, the overall height of the gear is composed of the gear head and the gear sleeve, and its length is not adjustable. During installation, if there is a height mismatch, the gear needs to be replaced, resulting in the problem that the use range of the gear is limited by the installation height. For this reason, we propose an adjustable spiral bevel gear. Summary of the invention

[0004] The utility model aims to provide an adjustable spiral bevel gear to solve the problem that the spiral bevel gear proposed in the above background technology is easily limited by the overall length of the gear during assembly, thus affecting the installation application range.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable spiral bevel gear, comprising a gear body and an adjusting threaded sleeve, the gear body consisting of a spiral bevel gear head and a shaft sleeve, the shaft sleeve consisting of a fixed sleeve, an adjusting threaded sleeve and a movable sleeve, the fixed sleeve is connected to the spiral bevel gear head, one end of the adjusting threaded sleeve is connected to the movable sleeve, a threaded groove is provided on the end face of the fixed sleeve, and the threaded groove and the adjusting threaded sleeve are connected by threads.

[0006] Preferably, an inner sleeve is commonly provided inside the fixed sleeve, the adjusting threaded sleeve and the movable sleeve, and the inner sleeve is fixed on the inner wall of the fixed sleeve.

[0007] Preferably, the inner wall of the movable sleeve is provided with an anti-slip groove with a circular cross-section, an anti-slip block is arranged inside the anti-slip groove, and the anti-slip block is fixed on the outer wall of the inner sleeve.

[0008] Preferably, one end surface of the inner sleeve is provided with a conical surface.

[0009] Preferably, a ball groove is formed on the outer wall of the inner sleeve, and a ball is embedded in the ball groove.

[0010] Preferably, the inner wall of the adjusting threaded sleeve and the surface of the movable sleeve are commonly connected with an inner rib frame, and the longitudinal section of the inner rib frame is a triangular structure.

[0011] Preferably, the longitudinal sections of the fixed sleeve, the adjusting threaded sleeve, the movable sleeve and the inner sleeve are all circular structures, and the central axes of the fixed sleeve, the adjusting threaded sleeve, the movable sleeve and the inner sleeve coincide with each other.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The shaft sleeve of the utility model is composed of a fixed sleeve, an adjusting threaded sleeve and a movable sleeve through the designed fixed sleeve, and the movable sleeve is threadedly connected to the fixed sleeve through the adjusting threaded sleeve. The overall length of the shaft sleeve can be adjusted by screwing the thread, so as to achieve the overall length adjustment of the gear, so that the installation height can be adjusted, and the installation is not limited by the height and affects the application range. The designed inner sleeve runs through the entire shaft sleeve, and the overall strength of the shaft sleeve is enhanced. The designed anti-slip block and anti-slip groove are used to adjust the movable sleeve to avoid the movable sleeve from being over-adjusted and detached. The designed conical surface increases the aperture of the inner sleeve installation end to achieve an avoidance effect. The designed ball bearing plays a lubricating role and reduces the rotational wear between the inner sleeve and the inner wall of the movable sleeve. The designed inner rib frame reinforces the welding part of the adjusting threaded sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 This is a structural sectional view of the shaft sleeve of the utility model;

[0016] Figure 3 This is a structural stereogram of the movable sleeve and the adjusting threaded sleeve of the utility model;

[0017] Figure 4 This is a side view of the assembly of the fixed sleeve and the inner sleeve of the utility model;

[0018] In the figure: 1. gear body; 2. shaft sleeve; 3. spiral bevel gear head; 4. fixed sleeve; 5. adjusting thread sleeve; 6. movable sleeve; 7. thread groove; 8. inner rib frame; 9. ball; 10. conical surface; 11. anti-slip groove; 12. anti-slip block; 13. inner sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example

[0020] See also Figures 1 to 4 The utility model provides a technical solution: an adjustable spiral bevel gear, including a gear body 1 and an adjusting thread sleeve 5, the gear body 1 is composed of a spiral bevel gear head 3 and a shaft sleeve 2, the shaft sleeve 2 is composed of a fixed sleeve 4, an adjusting thread sleeve 5 and a movable sleeve 6, the fixed sleeve 4 is connected to the spiral bevel gear head 3, one end of the adjusting thread sleeve 5 is connected to the movable sleeve 6, the end surface of the fixed sleeve 4 is provided with a thread groove 7, through the designed fixed sleeve 4, the adjusting thread sleeve 5 and the movable sleeve 6, the shaft sleeve 2 of the utility model is composed of a fixed sleeve 4, an adjusting thread sleeve 5 and a movable sleeve 6 The movable sleeve 6 is threadedly connected to the fixed sleeve 4 through the adjusting threaded sleeve 5, and the overall length of the sleeve 2 is adjusted by screwing the thread to achieve the overall length adjustment of the gear, so that the installation height is adjustable to avoid the installation being restricted by height and affecting the scope of application. The thread groove 7 and the adjusting threaded sleeve 5 are threadedly connected, and the fixed sleeve 4, the adjusting threaded sleeve 5 and the movable sleeve 6 are jointly provided with an inner sleeve 13. The designed inner sleeve 13 runs through the entire interior of the sleeve 2, thereby enhancing the overall strength of the sleeve 2, and the inner sleeve 13 is fixed to the inner wall of the fixed sleeve 4.

[0021] In the present embodiment, preferably, the inner wall of the movable sleeve 6 is provided with an anti-slip groove 11 with a circular cross-section, and an anti-slip block 12 is arranged inside the anti-slip groove 11. The movable sleeve 6 is adjusted and limited by the designed anti-slip block 12 and the anti-slip groove 11 to prevent the movable sleeve 6 from being over-adjusted and detached. The anti-slip block 12 is fixed on the outer wall of the inner sleeve 13. A conical surface 10 is arranged on one end surface of the inner sleeve 13. The designed conical surface 10 is used to increase the aperture of the mounting end of the inner sleeve 13 to achieve an avoidance effect. The outer wall of the inner sleeve 13 is provided with a ball groove, and the ball groove is inlaid with a ball 9. The designed ball 9 plays a lubricating role to reduce the rotational wear between the inner sleeve 13 and the inner wall of the movable sleeve 6.

[0022] In this embodiment, preferably, the inner wall of the adjusting thread sleeve 5 and the surface of the movable sleeve 6 are commonly connected with an internal rib frame 8. The welding joints of the adjusting thread sleeve 5 are reinforced by the designed internal rib frame 8. The longitudinal section of the internal rib frame 8 is a triangular structure. The longitudinal sections of the fixed sleeve 4, the adjusting thread sleeve 5, the movable sleeve 6 and the inner sleeve 13 are all circular structures. The central axes of the fixed sleeve 4, the adjusting thread sleeve 5, the movable sleeve 6 and the inner sleeve 13 coincide with each other.

[0023] The working principle and use process of the utility model: the shaft sleeve 2 at the end of the gear of the utility model is composed of a fixed sleeve 4, an adjusting threaded sleeve 5 and a movable sleeve 6. The movable sleeve 6 is threadedly connected to the fixed sleeve 4 through the adjusting threaded sleeve 5. The overall length of the shaft sleeve 2 can be adjusted by screwing the thread to achieve the overall length adjustment of the gear, so that the installation height can be adjusted to avoid the installation being restricted by height and affecting the scope of application.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable spiral bevel gear, comprising a gear body (1) and an adjustable threaded sleeve (5), characterized in that: The gear body (1) is composed of a spiral bevel gear head (3) and a shaft sleeve (2); the shaft sleeve (2) is composed of a fixed sleeve (4), an adjusting threaded sleeve (5) and a movable sleeve (6); the fixed sleeve (4) is connected to the spiral bevel gear head (3); one end of the adjusting threaded sleeve (5) is connected to the movable sleeve (6); a thread groove (7) is formed on the end surface of the fixed sleeve (4); and the thread groove (7) and the adjusting threaded sleeve (5) are connected by threads.

2. The adjustable spiral bevel gear according to claim 1, characterized in that: An inner sleeve (13) is commonly provided inside the fixed sleeve (4), the adjusting threaded sleeve (5) and the movable sleeve (6), and the inner sleeve (13) is fixed on the inner wall of the fixed sleeve (4).

3. The adjustable spiral bevel gear according to claim 1, characterized in that: The inner wall of the movable sleeve (6) is provided with an anti-slip groove (11) with a circular cross section, an anti-slip block (12) is arranged inside the anti-slip groove (11), and the anti-slip block (12) is fixed on the outer wall of the inner sleeve (13).

4. The adjustable spiral bevel gear according to claim 3, characterized in that: One end surface of the inner sleeve (13) is provided with a conical surface (10).

5. The adjustable spiral bevel gear according to claim 3, characterized in that: The outer wall of the inner sleeve (13) is provided with a ball groove, and a ball (9) is embedded in the ball groove.

6. The adjustable spiral bevel gear according to claim 1, characterized in that: The inner wall of the adjusting threaded sleeve (5) and the surface of the movable sleeve (6) are commonly connected to an inner rib frame (8), and the longitudinal section of the inner rib frame (8) is a triangular structure.

7. The adjustable spiral bevel gear according to claim 2, characterized in that: The longitudinal cross-sections of the fixed sleeve (4), the adjusting threaded sleeve (5), the movable sleeve (6) and the inner sleeve (13) are all circular structures, and the central axes of the fixed sleeve (4), the adjusting threaded sleeve (5), the movable sleeve (6) and the inner sleeve (13) coincide with each other.

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