Swash plate shaft assembly
By designing a swash plate shaft assembly and utilizing a combination of a sphere and a detachable sleeve, multi-directional deflection of the shaft is achieved, thus solving the problem of high production costs in the prior art and improving the scope of application.
Patent Information
- Application Number
- CN202423262286.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-28
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-28
AI Technical Summary
The existing swash plate shaft is restricted by process structure and installation space issues during use, resulting in increased production costs.
A swash plate shaft assembly is designed, including a shaft body, a flange seat and an assembly seat. The deflection of the shaft body is adjusted by a spherical body. Combined with a detachable sleeve and a threaded connection, the multi-directional deflection of the shaft body is achieved, reducing production costs.
The spherical body is used to adjust the deflection of the shaft in any direction, thereby increasing the scope of application and reducing production costs.
Smart Images

Figure CN223482829U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of swashplate shaft technology, and particularly relates to a swashplate shaft assembly. Background Technology
[0002] Swashplate piston pumps are generally used in high-pressure, high-flow-rate applications where flow rate regulation is required, such as hydraulic presses, construction machinery, and ships. Swashplate piston pumps are characterized by high speed, high pressure, and high efficiency.
[0003] Existing swashplate shafts are often limited by process structure and installation space during use, requiring customization to restrict the range of motion. However, customization often leads to increased production costs, which is detrimental to enterprise production. Therefore, we have specially designed a swashplate shaft assembly. Utility Model Content
[0004] The purpose of this utility model is to address the aforementioned technical problems by providing a swashplate shaft assembly that is convenient to use.
[0005] In view of this, the present invention provides a swashplate shaft assembly, comprising:
[0006] A shaft with a ball mounted on it;
[0007] A flange seat, which has a first shaft hole and a first arc-shaped groove on its bottom surface;
[0008] The mounting base has a second shaft hole and a second arc-shaped groove on its bottom surface.
[0009] When the flange seat and the mounting base are fitted together, a spherical cavity is formed between the first arc-shaped groove and the second arc-shaped groove.
[0010] Furthermore, the above technical solution also includes:
[0011] The first bushing is detachably mounted on the flange seat, and a third shaft hole is provided on the first bushing. Multiple first clearance grooves are formed on the third shaft hole 43.
[0012] Furthermore, the above technical solution also includes:
[0013] The second bushing is detachably mounted on the mounting base, and the second bushing is provided with a fourth shaft hole, and the fourth shaft hole is formed with multiple second clearance grooves.
[0014] Furthermore, the above technical solution also includes:
[0015] The first boss is formed on the flange seat, and the first shaft hole extends through to the end face of the first boss. The first shaft hole has a first screw hole formed inside the port of the first boss.
[0016] The first bushing has a first connecting end at its lower end, and a first thread is provided on the outer wall of the first connecting end, which mates with the first threaded hole.
[0017] Furthermore, the above technical solution also includes:
[0018] The second boss is formed on the mounting base, and the second shaft hole extends through to the end face of the second boss. The second shaft hole has a second screw hole formed inside the port of the second boss.
[0019] The second bushing has a second connecting end at its lower end, and a second thread is provided on the outer wall of the second connecting end. The second connecting end mates with the second threaded hole.
[0020] Furthermore, the above technical solution also includes:
[0021] Locking bolts;
[0022] The flange seat is provided with a third threaded hole, and the mounting base is provided with a threaded countersunk hole corresponding to the third threaded hole.
[0023] In the above technical solution, further, four first clearance slots are provided, and the four first clearance slots are radially perpendicular;
[0024] The second clearance slot is set in correspondence with the first clearance slot.
[0025] Furthermore, the above technical solution also includes:
[0026] The connecting edge is located on the outside of the flange seat, and a connecting hole is provided on the connecting edge.
[0027] The beneficial effects of this utility model are: the shaft can be adjusted to deflect in any direction by using a ball, thereby effectively improving the scope of application and reducing production costs. Attached Figure Description
[0028] Figure 1 This is a schematic diagram of the structure of this utility model;
[0029] Figure 2 This is a cross-sectional schematic diagram of the present invention;
[0030] Figure 3 This is a schematic diagram of the shaft deflection of this utility model;
[0031] The markings in the diagram are as follows: 1. Shaft; 11. Sphere; 2. Flange seat; 21. First shaft hole; 22. First arc groove; 23. First boss; 231. First threaded hole; 24. Third threaded hole; 25. Connecting edge; 251. Connecting hole; 3. Assembly seat; 31. Second shaft hole; 32. Second arc groove; 33. Second boss; 331. Second threaded hole; 34. Threaded countersunk hole; 4. First bushing; 41. First clearance groove; 42. First connecting end; 421. First thread; 43. Third shaft hole; 5. Second bushing; 51. Second clearance groove; 52. Second connecting end; 521. Second thread; 53. Fourth shaft hole; 6. Locking bolt. Detailed Implementation
[0032] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.
[0033] Example 1:
[0034] This embodiment provides a swashplate shaft assembly, including:
[0035] Shaft 1, on which a ball 11 is provided;
[0036] Flange seat 2, the flange seat 2 is provided with a first shaft hole 21, and the bottom surface of the flange seat 2 is provided with a first arc groove 22;
[0037] The assembly base 3 is provided with a second shaft hole 31 and a second arc-shaped groove 32 is provided on the bottom surface of the assembly base 3;
[0038] When the flange seat 2 and the mounting seat 3 are fitted together, a spherical cavity is formed between the first arc-shaped groove 22 and the second arc-shaped groove 32.
[0039] As can be seen from this embodiment, a swashplate shaft assembly includes a shaft body 1, a flange seat 2, and a mounting base 3;
[0040] A ball 11 is integrally formed on the shaft 1. The ball 11 is a movable part used to control the deflection of the shaft 1.
[0041] The flange seat 2 has a first shaft hole 21 formed on it, and the inner end of the first shaft hole 21 has a first arc groove 22 formed on it. The mounting seat 3 has a second shaft hole 31 formed on it, and the upper end of the second shaft hole 31 has a second arc groove 32 formed on it. After the flange seat 2 and the mounting seat 3 are connected, the first arc groove 22 and the second arc groove 32 coincide and form a ball cavity. The ball 11 is installed in the ball cavity, and the two ends of the shaft 1 extend to the outside from the first shaft hole 21 and the second shaft hole 31, respectively.
[0042] The shaft 1 can be adjusted to deflect in any direction by using the ball 11, which can effectively improve the applicability and reduce production costs.
[0043] Example 2:
[0044] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0045] The first bushing 4 is detachably mounted on the upper end face of the flange seat 2, and the first bushing 4 is provided with a third shaft hole 43, and a plurality of first clearance grooves 41 are formed on the third shaft hole 43.
[0046] As can be seen from this embodiment, the first bushing 4 is detachably connected to the upper end face of the flange seat 2, which facilitates its preparation and use. The first bushing 4 has a third shaft hole 43 formed on it. The third shaft hole 43 is concentric with the first shaft hole 21. Multiple first clearance grooves 41 are provided on the port of the third shaft hole 43. The first clearance grooves 41 can leave enough space for the shaft to rotate during use. At the same time, the clearance grooves are arc-shaped and can clamp the shaft 1.
[0047] Example 3:
[0048] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0049] The second bushing 5 is detachably mounted on the mounting base 3, and the second bushing 5 is provided with a fourth shaft hole 53, and the fourth shaft hole 53 is formed with a plurality of second clearance grooves 51.
[0050] As can be seen from this embodiment, the second bushing 5 is detachably connected to the lower end face of the mounting base 3, which facilitates its preparation and use. The second bushing 5 has a fourth shaft hole 53 formed on it. The fourth shaft hole 53 is concentric with the second shaft hole 31. Multiple second clearance grooves 51 are provided on the port of the fourth shaft hole 53. The second clearance grooves 51 can provide ample space for the shaft to rotate during use. At the same time, the clearance grooves are arc-shaped, which can clamp the shaft 1. Furthermore, the first clearance groove 41 and the second clearance groove 51 are concentric arcs in the radial direction, which can effectively improve the structural strength of the shaft 1 on the flange seat 2 and the mounting base 3 when it is assembled at both ends of the shaft 1.
[0051] Example 4:
[0052] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0053] The first boss 23 is formed on the flange seat 2, and the first shaft hole 21 extends through to the end face of the first boss 23. The first shaft hole 21 has a first screw hole 231 formed inside the port of the first boss 23.
[0054] The first bushing 4 has a first connecting end 42 at its lower end, and a first thread 421 is provided on the outer wall of the first connecting end 42. The first connecting end 42 is engaged with the first threaded hole 231.
[0055] As can be seen from this embodiment, the first boss 23 is formed on the upper end face of the flange seat 2, and the first shaft hole 21 penetrates to the end face of the first boss 23. Furthermore, a first threaded hole 231 is formed on the section of the first shaft hole 21 inside the first boss 23, and a first connecting end 42 is formed on the bottom of the first bushing 4. A first thread 421 is formed on the outer end face of the first connecting end 42. The first bushing 4 is fixed to the flange seat 2 through the threaded engagement between the first connecting end 42 and the first threaded hole 231. The connection method between the first bushing 4 and the flange seat 2 is simple and reliable, which helps to improve assembly efficiency.
[0056] Example 5:
[0057] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0058] The second boss 33 is formed on the mounting base 3, and the second shaft hole 31 extends through to the end face of the second boss 33. The second shaft hole 31 has a second screw hole 331 formed inside the port of the second boss 33.
[0059] The second bushing 5 has a second connecting end 52 at its lower end, and a second thread 521 is provided on the outer wall of the second connecting end 52. The second connecting end 52 is engaged with the second threaded hole 331.
[0060] As can be seen from this embodiment, the second boss 33 is formed on the upper end face of the mounting base 3, and the second shaft hole 31 penetrates to the end face of the second boss 33. Furthermore, a second threaded hole 331 is formed on the section of the second shaft hole 31 inside the second boss 33, and a second connecting end 52 is formed on the bottom of the second bushing 5. A second thread 521 is formed on the outer end face of the second connecting end 52. The second bushing 5 is fixed to the flange seat 2 through the threaded engagement between the second connecting end 52 and the second threaded hole 331. The connection method between the second bushing 5 and the mounting base 3 is simple and reliable, which helps to improve assembly efficiency.
[0061] Example 6:
[0062] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0063] Locking bolt 6;
[0064] The flange seat 2 is provided with a third screw hole 24, and the mounting seat 3 is provided with a threaded countersunk hole 34 corresponding to the third screw hole 24.
[0065] As can be seen in this embodiment, the flange seat 2 has a third screw hole 24 formed on it, and the mounting base 3 has a threaded countersunk hole 34 corresponding to the third screw hole 24. The locking bolt 6 connects the third screw hole 24 and the threaded countersunk hole 34 in sequence to fix the flange seat 2 and the mounting base 3.
[0066] The connection between flange seat 2 and mounting base 3 is simple and reliable, and convenient for assembly and use.
[0067] Example 7:
[0068] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0069] There are four first clearance slots 41, and the four first clearance slots 41 are radially perpendicular;
[0070] The second clearance groove 51 is provided in correspondence with the first clearance groove 41.
[0071] As can be seen from this embodiment, four first clearance grooves 41 and four second clearance grooves 51 are respectively provided on the first bushing 4 and the second bushing 5, and the four first clearance grooves 41 and the four second clearance grooves 51 are radially perpendicular to each other. Therefore, when in use, the shaft 1 can undergo four angular changes, which helps to improve the applicability range.
[0072] Example 8:
[0073] This embodiment provides a swashplate shaft assembly, which, in addition to the technical solutions of the above embodiments, also has the following technical features.
[0074] The connecting edge 25 is located on the outside of the flange seat 2, and the connecting edge 25 is provided with a connecting hole 251.
[0075] As can be seen from this embodiment, by providing a connecting edge 25 on the outside of the flange seat 2 and providing a connecting hole 251 on the connecting edge 25, it is convenient to fix the flange seat 2 to the external connection structure.
[0076] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.
Claims
1. A swashplate shaft assembly, characterized in that, include: A shaft (1) is provided with a ball (11); Flange seat (2), wherein a first shaft hole (21) is provided on the flange seat (2), and a first arc groove (22) is provided on the bottom surface of the flange seat (2); Assembly base (3), wherein a second shaft hole (31) is provided on the assembly base (3), and a second arc groove (32) is provided on the bottom surface of the assembly base (3); When the flange seat (2) and the mounting seat (3) are fitted together, a spherical cavity is formed between the first arc groove (22) and the second arc groove (32).
2. The swashplate shaft assembly according to claim 1, characterized in that, it further includes... include: The first bushing (4) is detachably mounted on the flange seat (2), and the first bushing (4) is provided with a third shaft hole (43), and the third shaft hole (43) is formed with a plurality of first clearance grooves (41).
3. The swashplate shaft assembly according to claim 2, characterized in that, it further includes... include: The second bushing (5) is detachably mounted on the mounting base (3), and the second bushing (5) is provided with a fourth shaft hole (53), and the fourth shaft hole (53) is formed with a plurality of second clearance grooves (51).
4. The swashplate shaft assembly according to claim 3, characterized in that, it further includes... include: The first boss (23) is formed on the flange seat (2), and the first shaft hole (21) extends through to the end face of the first boss (23). The first shaft hole (21) has a first screw hole (231) formed inside the port of the first boss (23). The first bushing (4) has a first connecting end (42) at its lower end, and a first thread (421) is provided on the outer wall of the first connecting end (42). The first connecting end (42) is engaged with the first threaded hole (231).
5. A swashplate shaft assembly according to claim 4, characterized in that, it further includes... include: The second boss (33) is formed on the mounting base (3), and the second shaft hole (31) extends through to the end face of the second boss (33). The second shaft hole (31) has a second screw hole (331) formed inside the port of the second boss (33). The second bushing (5) has a second connecting end (52) at its lower end, and a second thread (521) is provided on the outer wall of the second connecting end (52). The second connecting end (52) is engaged with the second threaded hole (331).
6. The swashplate shaft assembly according to claim 5, characterized in that, it further includes... include: Locking bolt (6); The flange seat (2) is provided with a third screw hole (24), and the mounting base (3) is provided with a threaded countersunk hole (34) corresponding to the third screw hole (24).
7. A swashplate shaft assembly according to claim 6, characterized in that, The first clearance groove (41) is provided in four parts, and the four clearance grooves are radially perpendicular; The second clearance groove (51) is provided in correspondence with the first clearance groove (41).
8. A swashplate shaft assembly according to claim 7, characterized in that, it further includes... include: A connecting edge (25) is provided on the outside of the flange seat (2), and a connecting hole (251) is provided on the connecting edge (25).