Clamp for oil pump assembly performance test
By designing a fixture that can adjust the position of the shaft, the problem that the fixing of the performance test fixture of the oil pump assembly in the prior art cannot adapt to the difference in the size of the oil pump base of different models is solved, and the adaptation of the base of multiple sizes is achieved, which improves the Practicality.
Patent Information
- Application Number
- CN202421236515.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The existing oil pump assembly performance test fixtures are fixed in size and cannot adapt to the differences in base sizes of different models of oil pumps, resulting in the need to replace the appropriate fixtures, which reduces practicality.
A fixture including a workbench and an oil pump main body is designed, and the position of the insert shaft can be adjusted by combining support columns, connecting shafts, limit blocks, support rods, slide grooves, connecting blocks, lead screws, press plates and insert shafts. Suitable for different sizes of bases.
By adjusting the position of the insertion shaft, the fixture can be adapted to the oil pump base of different sizes without changing the fixture, which significantly improves practicality.
Smart Images
Figure CN222450025U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clamps, in particular to a clamp used for oil pump assembly performance testing. Background Art
[0002] As we all know, the oil pump is a light and compact pump, which is divided into three categories: in-line, distributed and single-body. The oil pump needs a power source to operate, and the camshaft at its bottom is driven by the engine crankshaft gear.
[0003] In the prior art, the oil pump assembly and the test bench are usually connected by a tight connection. Oil pumps have different models, so the base sizes of oil pumps of different models are different. The existing fixture for the performance test of the oil pump assembly is fixed in size. When fixing oil pumps of different models, it is necessary to replace the corresponding fixture. Therefore, the practicality of the existing fixture for the performance test of the oil pump assembly is low. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies of the prior art, the utility model provides a fixture for oil pump assembly performance test, which can fix bases of various sizes and improves practicability.
[0006] (II) Technical solution
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixture for oil pump assembly performance testing, comprising a workbench and an oil pump body, a base is provided at the bottom end of the oil pump body, a plurality of mounting holes are provided on the base, a plurality of supporting devices are provided on the workbench, the supporting device comprises a supporting column, a connecting shaft and a limit block, the connecting shaft is fixedly provided on the supporting column, a limit block is provided on the top of the connecting shaft, a supporting rod is provided at the connecting shaft, a sliding groove matching the connecting shaft is provided on the supporting rod, a connecting block is provided at one end of the support rod, a lead screw is connected to the middle part of the connecting block by a thread, a pressure plate is provided at the bottom end of the lead screw, and a plug shaft matching the mounting hole is provided at the bottom end of the pressure plate.
[0008] Furthermore, the diameter of the limit block is greater than the width of the slide groove.
[0009] Furthermore, the diameter of the pressing plate is greater than the diameter of the insertion shaft.
[0010] Furthermore, a gasket is provided at the bottom end of the pressing plate.
[0011] Furthermore, a wrench is provided on the top of the lead screw.
[0012] (III) Beneficial effects
[0013] Compared with the prior art, the utility model provides a fixture for oil pump assembly performance test, which has the following beneficial effects:
[0014] The fixture for oil pump assembly performance test, through the arrangement of support columns, connecting shafts, limit blocks, support rods, slide grooves, connecting blocks, lead screws, pressure plates and plug shafts, the position of the plug shafts can be adjusted by moving and rotating the support rods, the base is placed on a workbench, the plug shafts are aligned with the mounting holes by pulling and rotating the support rods, and then the lead screws are rotated to insert the plug shafts into the mounting holes, the position of the plug shafts can be adjusted by pulling and rotating the support rods to adapt to bases of different sizes, and there is no need to replace the corresponding fixtures, thereby effectively improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0016] Figure 2 It is a three-dimensional structural schematic diagram of the utility model without the oil pump body installed;
[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the support device of the utility model;
[0018] Figure 4 It is a three-dimensional structural schematic diagram of the oil pump main body of the utility model.
[0019] In the figure: 1. workbench; 2. oil pump body; 3. base; 4. mounting hole; 5. support column; 6. connecting shaft; 7. limit block; 8. support rod; 9. slide groove; 10. connecting block; 11. screw; 12. pressure plate; 13. plug shaft; 14. wrench. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-4The utility model is a fixture for oil pump assembly performance test, including a workbench 1 and an oil pump body 2, a base 3 is provided at the bottom end of the oil pump body 2, a plurality of mounting holes 4 are provided on the base 3, a plurality of supporting devices are provided on the workbench 1, the supporting device includes a supporting column 5, a connecting shaft 6 and a limit block 7, the connecting shaft 6 is fixedly arranged on the supporting column 5, a limit block 7 is provided on the top of the connecting shaft 6, a supporting rod 8 is provided at the connecting shaft 6, a slide groove 9 matching the connecting shaft 6 is provided on the supporting rod 8, the position of the plug shaft 13 can be adjusted by pulling and rotating the supporting rod 8, a connecting block 10 is provided at one end of the supporting rod 8, a lead screw 11 is connected to the middle part of the connecting block 10 by a thread, a pressing plate 12 is provided at the bottom end of the lead screw 11, a plug shaft 13 matching the mounting hole 4 is provided at the bottom end of the pressing plate 12, and the height of the plug shaft 13 can be adjusted by rotating the lead screw 11.
[0022] The diameter of the limiting block 7 is greater than the width of the sliding groove 9 .
[0023] The diameter of the pressing plate 12 is greater than the diameter of the inserting shaft 13 .
[0024] A gasket is provided at the bottom end of the pressing plate 12 to increase friction.
[0025] A wrench 14 is provided on the top of the lead screw 11 to facilitate the rotation of the lead screw 11 .
[0026] To sum up, when using this fixture for testing the performance of the oil pump assembly, the base 3 of the oil pump body 2 is placed on the workbench 1, each support rod 8 is pulled and rotated to align the plug shaft 13 with the mounting hole 4, and then the screw 11 is rotated to insert the plug shaft 13 into the interior of the mounting hole 4 to fix the bases 3 of different sizes.
[0027] The technical terms or scientific terms used in the description of this application should be the common meanings understood by ordinary technicians in the field to which this application belongs. The words "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inside", "outside" and other words indicating orientation used in the description of this application are only used to indicate relative directions or positional relationships, and do not imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. When the absolute position of the described object changes, its relative positional relationship may also change accordingly, so it cannot be understood as a limitation on this application. The "first", "second", "third" and similar terms used in the description of this application are only used for descriptive purposes to distinguish different components, and cannot be understood as indicating or implying relative importance.
[0028] The words "one", "an" or "the" and the like used in the description of this application should not be understood as an absolute limitation on quantity, but should be understood as the existence of at least one. The words "include" or "comprise" and the like used in the description of this application mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, but do not exclude other elements or objects.
[0029] Although the 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. A fixture for oil pump assembly performance test, comprising a workbench (1) and an oil pump body (2), wherein a base (3) is provided at the bottom end of the oil pump body (2), and a plurality of mounting holes (4) are provided on the base (3), characterized in that: The workbench (1) is provided with a plurality of supporting devices, the supporting devices comprising a supporting column (5), a connecting shaft (6) and a limit block (7); the connecting shaft (6) is fixedly arranged on the supporting column (5); a limit block (7) is arranged on the top of the connecting shaft (6); a supporting rod (8) is arranged at the connecting shaft (6); a sliding groove (9) matching the connecting shaft (6) is arranged on the supporting rod (8); a connecting block (10) is arranged at one end of the supporting rod (8); a lead screw (11) is connected to the middle part of the connecting block (10) by a thread; a pressure plate (12) is arranged at the bottom end of the lead screw (11); and an insertion shaft (13) matching the mounting hole (4) is arranged at the bottom end of the pressure plate (12).
2. A fixture for oil pump assembly performance test according to claim 1, characterized in that: The diameter of the limit block (7) is greater than the width of the slide groove (9).
3. A fixture for oil pump assembly performance test according to claim 1, characterized in that: The diameter of the pressing plate (12) is greater than the diameter of the insertion shaft (13).
4. A fixture for oil pump assembly performance test according to claim 3, characterized in that: A gasket is provided at the bottom end of the pressing plate (12).
5. The fixture for oil pump assembly performance test according to claim 1, characterized in that: A wrench (14) is provided on the top of the lead screw (11).