Sector gear shaft
By setting up a structure such as a support sleeve and a sliding groove on the sector gear shaft, the adjustable fixation of the contact area between the sector gear and the equipment is achieved, solving the problem of changing the gear shaft in the prior art, and improving the convenience and safety of use.
Patent Information
- Application Number
- CN202422503115.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-09-02
- Estimated Expiration
- 2034-10-16
AI Technical Summary
When existing sector gear shafts need to temporarily adjust the contact area of the sector gears and the equipment during use, different sector gear shafts need to be replaced, which is inconvenient to use.
A sector gear shaft including a shaft body, a sector gear body, a support sleeve, a semi-ring slide, an auxiliary sector gear, a fixing mechanism and a connecting mechanism is designed. The adjustable fixation of the auxiliary sector gear is achieved through the sliding groove and threaded connection, thereby enlarging or reducing the contact area.
It realizes that the contact area between the sector gear and the equipment can be expanded or reduced as needed without replacing the sector gear shaft, which is convenient and quick to install, prevents misalignment, and improves the safety of use.
Smart Images
Figure CN223294202U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gear shafts, in particular to a sector gear shaft. Background Art
[0002] A sector gear shaft is a special gear shaft with the gear portion distributed in a sector shape. It is usually designed as an integrated part with the shaft body to achieve power transmission and rotational motion. A sector gear shaft generally consists of a shaft body, sector gears, and other possible connecting or fixing parts. The shaft body is usually cylindrical and is used to install and support the sector gears and other transmission parts. The sector gears are fixed to the shaft body through a specific process to form an integrated transmission structure.
[0003] But the following problems still exist:
[0004] During the use of the sector gear shaft, due to its integrated design, when the contact area between the sector gear and the gear of the equipment needs to be temporarily adjusted during actual use, different sector gear shafts can only be replaced, which is inconvenient to use. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the prior art, and to propose a sector gear shaft, which can timely expand or reduce the contact area between the sector gear and the gear of the equipment according to the actual needs during use, without the need to replace different sector gear shafts, and is convenient to use.
[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:
[0007] A sector gear shaft comprises a shaft body and a sector gear main body, wherein the bottom surface of the sector gear main body is fixedly connected to a support sleeve, and the bottom surface of the support sleeve is provided with a semi-ring groove, and the inner wall of the semi-ring groove is slidably connected to an auxiliary sector gear, the auxiliary sector gears are in two groups and are located on both sides of the sector gear main body, and a fixing mechanism is provided on the upper side of the auxiliary sector gear, and a connecting mechanism is provided on both sides of the sector gear main body.
[0008] Preferably, the fixing mechanism includes a fixing sleeve slidably mounted on the side wall of the shaft body, and a fixing groove is provided on the upper side of the auxiliary sector gear, a fixing slider is fixedly connected to the bottom surface of the fixing sleeve, and the side wall of the fixing slider is slidably connected to the inner wall of the fixed groove, two groups of symmetrical fixing threaded holes are provided on the bottom surface of the support sleeve, and a fixing bolt is provided on one side of the fixing sleeve located above the fixing threaded hole, one end of the fixing bolt passes through the side wall of the fixing sleeve and the auxiliary sector gear and is threadedly connected to the fixing threaded hole.
[0009] Preferably, the connecting mechanism includes two groups of convex grooves opened on both sides of the sector gear body, and the side wall of the auxiliary sector gear located on one side of the convex groove is fixedly connected with a symmetrical concave slider, the bottom surface of the concave slider is provided with a connecting threaded hole, and the side wall of the concave slider is slidably connected to the inner wall of the convex groove, and a connecting bolt is provided above the concave slider, one end of the connecting bolt passes through the concave slider and the side wall of the convex groove and is threadedly connected to the connecting threaded hole.
[0010] Preferably, the concave sliding block and the convex sliding groove are both arc-shaped.
[0011] Preferably, a blocking ring block is fixedly connected to the bottom surface of the fixing sleeve, and the side wall of the blocking ring block abuts against the side wall of the auxiliary sector gear.
[0012] Compared with the prior art, the present invention has the following beneficial effects:
[0013] The utility model is used in conjunction with the arrangement of a shaft body, a sector gear main body, a supporting sleeve, a semi-ring slide groove, an auxiliary sector gear, a fixing mechanism and a connecting mechanism. According to actual use requirements, the fixing mechanism is first opened, and then the auxiliary sector gear to be added is abutted against the side wall of the sector gear main body, and then the fixing device is used to fix the auxiliary sector gear to expand the contact area, and the semi-ring slide groove supports and clamps the auxiliary sector gear, making it convenient for the fixing mechanism to fix the auxiliary sector gear, and at the same time, the connecting mechanism is used to fix the connection between the auxiliary sector gear and the sector gear main body to prevent the connection between the auxiliary sector gear and the sector gear main body from being misaligned, affecting use, and the installation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall structure of a sector gear shaft proposed by the present invention;
[0015] Figure 2 This is a schematic diagram of the split structure of a sector gear shaft proposed in the present utility model;
[0016] Figure 3 This is a schematic diagram of the shaft body and sector gear main body structure of a sector gear shaft proposed by the utility model.
[0017] In the figure: 1. Shaft; 2. Sector gear body; 3. Support sleeve; 4. Semi-ring slide; 5. Auxiliary sector gear; 6. Fixed slide; 7. Fixed sleeve; 8. Fixed slider; 9. Fixed threaded hole; 10. Fixed bolt; 11. Convex slide; 12. Concave slider; 13. Connecting threaded hole; 14. Connecting bolt; 15. Blocking ring block. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0019] See also Figure 1-3 A sector gear shaft comprises a shaft body 1 and a sector gear main body 2. A support sleeve 3 is fixedly connected to the bottom surface of the sector gear main body 2, and a semi-ring slide groove 4 is opened on the bottom surface of the support sleeve 3. An auxiliary sector gear 5 is slidably connected to the inner wall of the semi-ring slide groove 4. The auxiliary sector gears 5 are divided into two groups and are located on both sides of the sector gear main body 2. A fixing mechanism is provided on the upper side of the auxiliary sector gear 5, and a connecting mechanism is provided on both sides of the sector gear main body 2.
[0020] It can be seen from the above structure that; by setting the shaft body 1, sector gear main body 2, support sleeve 3, semi-ring slide groove 4, auxiliary sector gear 5, fixing mechanism and connecting mechanism, etc. for use in combination; according to actual use requirements, first open the fixing mechanism, then the auxiliary sector gear 5 to be added will be against the side wall of the sector gear main body 2, and then the fixing device can be used to fix the auxiliary sector gear 5 to expand the contact area, and the semi-ring slide groove 4 will support and clamp the auxiliary sector gear 5, making it convenient for the fixing mechanism to fix the auxiliary sector gear 5, and at the same time use the connecting mechanism to fix the connection between the auxiliary sector gear 5 and the sector gear main body 2 to prevent the connection between the auxiliary sector gear 5 and the sector gear main body 2 from being misaligned, affecting use, and the installation is convenient and quick.
[0021] The cam 7 is screwed to the top of the gear 5 and the cam 8 is screwed to the gear 5, so that the gear 5 can be fixed to the cam 8 by pressing the cam 8 together.
[0022] Furthermore, the connecting mechanism includes two groups of convex grooves 11 provided on both sides of the sector gear body 2, and the side wall of the auxiliary sector gear 5 located on one side of the convex groove 11 is fixedly connected with a symmetrical concave slider 12, and the bottom surface of the concave slider 12 is provided with a connecting threaded hole 13, and the side wall of the concave slider 12 is slidably connected to the inner wall of the convex groove 11, and a connecting bolt 14 is provided above the concave slider 12, one end of the connecting bolt 14 passes through the concave slider 12 and the side wall of the convex groove 11 and is threadedly connected to the connecting threaded hole 13; by setting the convex groove 11 and the concave groove The concave slider 12, connecting bolt 14 and connecting threaded hole 13 are used in combination. When the auxiliary sector gear 5 is pushed to slide along the semi-ring slide groove 4 and abut against the side wall of the sector gear body 2, the concave slider 12 on one side of the auxiliary sector gear 5 will automatically slide into the convex slide groove 11, and then the connecting bolt 14 can be threadedly connected to the connecting threaded hole 13, thereby completing the connection and fixing work at the connection between the auxiliary sector gear 5 and the sector gear body 2, preventing the sector gear body 2 and the auxiliary sector gear 5 from being misaligned when in use, thereby improving safety and facilitating use.
[0023] Furthermore, the concave slider 12 and the convex slide groove 11 are both arc-shaped; the arc-shaped design makes it convenient to push the auxiliary sector gear 5 to slide along the semi-ring slide groove 4 in an arc shape and abut against the side wall of the sector gear body 2, so that the concave slider 12 can slide into the convex slide groove 11, thereby improving the convenience of installation.
[0024] Furthermore, a blocking ring block 15 is fixedly connected to the bottom surface of the fixed sleeve 7, and the side wall of the blocking ring block 15 abuts against the side wall of the auxiliary sector gear 5; by providing the blocking ring block 15, when the fixed slider 8 on the bottom surface of the fixed sleeve 7 slides into the fixed slide groove 6, the side wall of the blocking ring block 15 will abut against the side wall of the auxiliary sector gear 5, thereby facilitating the threaded connection of the fixing bolt 10 with the fixing threaded hole 9, making the appearance more beautiful and without excessive gaps.
[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A sector gear shaft, comprising a shaft body (1) and a sector gear body (2), characterized in that: The bottom surface of the sector gear body (2) is fixedly connected to a support sleeve (3), and a semi-ring slide groove (4) is provided on the bottom surface of the support sleeve (3), and an auxiliary sector gear (5) is slidably connected to the inner wall of the semi-ring slide groove (4), the auxiliary sector gears (5) are in two groups and are located on both sides of the sector gear body (2), and a fixing mechanism is provided on the upper side of the auxiliary sector gear (5), and a connecting mechanism is provided on both sides of the sector gear body (2).
2. The sector gear shaft according to claim 1, characterized in that: The fixing mechanism includes a fixing sleeve (7) slidingly sleeved on the side wall of the shaft body (1), and a fixing slot (6) is provided on the upper side of the auxiliary sector gear (5), a fixing slider (8) is fixedly connected to the bottom surface of the fixing sleeve (7), and the side wall of the fixing slider (8) is slidably connected to the inner wall of the fixing slot (6), two groups of symmetrical fixing threaded holes (9) are provided on the bottom surface of the support sleeve (3), and a fixing bolt (10) is provided on one side of the fixing sleeve (7) located above the fixing threaded hole (9), and one end of the fixing bolt (10) passes through the fixing sleeve (7) and the side wall of the auxiliary sector gear (5) and is threadedly connected to the fixing threaded hole (9).
3. A sector gear shaft according to claim 1 or 2, characterized in that: The connecting mechanism includes two groups of convex grooves (11) provided on both sides of the sector gear body (2), and the side wall of the auxiliary sector gear (5) located on one side of the convex groove (11) is fixedly connected with a symmetrical concave slider (12), the bottom surface of the concave slider (12) is provided with a connecting threaded hole (13), and the side wall of the concave slider (12) is slidably connected to the inner wall of the convex groove (11), and a connecting bolt (14) is provided above the concave slider (12), one end of the connecting bolt (14) passes through the concave slider (12) and the side wall of the convex groove (11) and is threadedly connected to the connecting threaded hole (13).
4. The sector gear shaft according to claim 3, characterized in that: The concave sliding block (12) and the convex sliding groove (11) are both arc-shaped.
5. The sector gear shaft according to claim 2, characterized in that: The bottom surface of the fixed sleeve (7) is fixedly connected to a blocking ring block (15), and the side wall of the blocking ring block (15) abuts against the side wall of the auxiliary sector gear (5).