Special tool for adjusting gap between coupler and connecting seat of Marl oil pump
By designing specialized tools that utilize an I-shaped structure and a U-shaped groove to engage the main shaft of the Mal oil pump and the motor shaft, the problem of uneven clearance caused by the displacement of the Mal oil pump coupling was solved, enabling rapid and efficient positioning adjustment and improving spinning production efficiency and equipment stability.
Patent Information
- Application Number
- CN202520401915.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-03-10
AI Technical Summary
In the existing technology, the coupling of the Mal oil pump is prone to displacement during use, resulting in uneven gaps at both ends of the coupling, causing intermittent oil supply, affecting spinning quality and reducing production efficiency. Moreover, the existing adjustment methods cannot achieve uniform adjustment quickly and efficiently.
Design a special tool comprising plates I, II, and III forming an inverted U-shape, which engages the main shaft of the Malt oil pump and the motor shaft via a U-shaped groove, ensuring the coupling is centered in the connecting seat and allowing for quick adjustment of the clearance.
It enables rapid and effective centering of the Mal oil pump coupling, preventing intermittent oil supply, improving production efficiency, and reducing the probability of equipment damage.
Smart Images

Figure CN223971200U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of spinning oil pump technology, and relates to a special tool for adjusting the gap between the coupling and the connecting seat of a spinning oil pump. Background Technology
[0002] Spinning oil pumps, as one of the core components in the textile and chemical fiber industry, play a vital role. They primarily utilize the pump's working principle to deliver spinning oil, drawing it from the storage tank and transporting it through pipelines to the spinning station. Specific equipment then ensures the oil is evenly distributed across the fibers. This guarantees fiber tensile properties, reduces static electricity and fiber breakage, and improves production efficiency and product quality.
[0003] Before using the Mal oil pump, the main shaft of the Mal oil pump needs to be connected to the motor shaft through the Mal oil pump coupling in the connecting seat. Specifically, the connecting seat is a hollow cubic structure composed of an upper plate, a lower plate, a left plate, and a right plate; the left plate has a through hole I, and the right plate has a through hole II; the main shaft of the Mal oil pump is inserted into the connecting seat through through hole I, and the motor shaft is inserted into the connecting seat through through hole II; the lengths of the main shaft of the Mal oil pump and the motor shaft inserted into the connecting seat are the same; the Mal oil pump coupling includes two set screws, two coupling gears, and one coupling sleeve; the coupling gear includes a cylinder; the cylinder has a through hole III; the central axis of through hole III is the same as the central axis of the cylinder; a ring of ratchet teeth A is provided on the circumference of the cylinder; a through hole IV is also provided on the circumference of the cylinder, and through hole IV communicates with through hole III; through hole IV is a threaded hole, and through hole IV is threadedly connected to the set screw; the coupling sleeve is a hollow cylinder, and the inner wall of the hollow cylinder has ratchet teeth B; the coupling gear is used to insert into the hollow cylinder and is connected to the coupling sleeve through the meshing of ratchet teeth A and ratchet teeth B.
[0004] During installation, after the main shaft of the Mal oil pump is inserted into the connecting seat through through hole I, the main body of the Mal oil pump is fixedly connected to the connecting seat. Then, a coupling gear is fitted onto the main shaft of the Mal oil pump (i.e., inserted into through hole III of a coupling gear). After that, a coupling sleeve is fitted onto the outside of the coupling gear. Next, a coupling gear is fitted onto the motor shaft. Then, the motor shaft and its coupling gear are inserted into the connecting seat through through hole II, and the coupling gear on the motor shaft is also inserted into the coupling sleeve. When both coupling gears are fitted onto the coupling sleeve at the same time, the set screws of both coupling gears are located outside the coupling sleeve and in contact with the coupling sleeve.
[0005] Since the main shaft of the Mal oil pump and the motor shaft are inserted into the connecting seat at the same length, it is necessary to adjust the Mal oil pump coupling to the middle position of the connecting seat (i.e., the distance between the coupling and the left and right plates is the same) to ensure that after rotating the two set screws, the two set screws can respectively abut against the main shaft of the Mal oil pump and the motor shaft, so as to fix the two coupling gears on the main shaft of the Mal oil pump and the motor shaft respectively.
[0006] When the Mal oil pump is in operation, its structure may cause displacement of the Mal oil pump coupling, resulting in uneven clearance between the two ends of the Mal oil pump coupling and the connecting seat. Over time, this unevenness will become more and more serious, causing the connection between the motor and the Mal oil pump to break. At this time, the Mal oil pump will start to supply oil intermittently. The intermittent supply of oil will seriously affect the yarn bundle, causing a series of problems such as fuzz and breakage, reducing the quality of yarn products and causing economic losses.
[0007] In existing technologies, employees generally use methods such as visual inspection based on experience, measurement with a steel ruler, or contact with an L-shaped Allen wrench to adjust the gap between the coupling and the connecting seat of the Mal oil pump. However, these methods cannot ensure that the distance between the two ends of the coupling is absolutely uniform. The resulting error leads to uneven left and right gaps in the coupling after adjustment. Some require secondary adjustment after installation, affecting the oil pump's oil supply and normal on-site operation. In addition, these methods are not fast and efficient, reducing production efficiency.
[0008] Patent publication number CN215109319U discloses a connection device for a motor and an oil pump. This device achieves a fast, accurate, and stable connection between the oil pump and the motor by changing the structure of the equipment. However, this design reduces the strength of the original equipment's main shaft and fixing sleeve, increases the probability of equipment damage, and accelerates the replacement cycle of equipment parts. In addition, the number of oil pumps in spinning and chemical fiber enterprises is quite large. If the structure of all of them is changed as described above, it will not only increase the disassembly and assembly burden on personnel, but also affect the on-site production efficiency and the cost will be too high.
[0009] Therefore, it is of great significance to study a special tool for adjusting the gap between the coupling and the connecting seat of the Malt pump, so as to quickly adjust the position of the coupling and make the coupling centered in the connecting seat. Utility Model Content
[0010] The purpose of this invention is to solve the problems existing in the prior art and to provide a special tool for adjusting the clearance of the coupling of a Malt oil pump.
[0011] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0012] A special tool for adjusting the gap between the coupling and the connecting seat of a Malt oil pump. The connecting seat is a hollow cubic structure composed of an upper plate, a lower plate, a left plate, and a right plate. The special tool for adjusting the gap between the coupling and the connecting seat includes plate I, plate II, and plate III; plate I, plate II, and plate III are connected in sequence to form a U-shaped structure.
[0013] Let a be the distance between the two opposing faces of the two coupling gears in the Mal oil pump coupling when the main shaft of the Mal oil pump and the motor shaft are connected through the Mal oil pump coupling; let b be the distance between the left and right plates in the connecting seat.
[0014] Plate I and Plate III have the same thickness. The distance between the two opposite faces of Plate I and Plate III is a, and the distance between the two back faces of Plate I and Plate III is b.
[0015] Plate I is provided with a U-shaped groove I; the opening direction of the U-shaped groove I is away from plate II; the length direction of the U-shaped groove I is parallel to the direction from plate I to plate III, and the length of the U-shaped groove I is the same as the thickness of plate I; the width of the U-shaped groove I is the same as the diameter of the main shaft of the Malt oil pump.
[0016] Plate III is provided with U-shaped groove II; the opening direction of U-shaped groove II is away from plate II, the length direction of U-shaped groove II is parallel to the direction from plate I to plate III, and the length of U-shaped groove II is the same as the thickness of plate III; the width of U-shaped groove II is the same as the diameter of motor shaft.
[0017] Let the cross-section of U-shaped groove I be U-shaped I, and let E be the midpoint of the line connecting the two ends of U-shaped I. Let the cross-section of U-shaped groove II be U-shaped II, and let F be the midpoint of the line connecting the two ends of U-shaped II. The line connecting E and F is perpendicular to plate I.
[0018] When adjusting the clearance between the Mal oil pump coupling and the connecting seat, first loosen the two set screws. Then, bring the Mal oil pump special tool close to the coupling, so that the Mal oil pump main shaft is locked in U-groove I and the motor shaft is locked in U-groove II. Since plates I and III have the same thickness, and the distance between the two opposite surfaces of plates I and III is 'a', and the distance between the two back surfaces of plates I and III is 'b', this ensures that when the Mal oil pump main shaft is locked in U-groove I and the motor shaft is locked in U-groove II, the Mal oil pump coupling is centered in the connecting seat, allowing for quick adjustment. After that, tighten the two set screws to complete the adjustment.
[0019] As a preferred technical solution:
[0020] The above-described special tool for adjusting the clearance between the coupling and the connecting seat of the Malt pump consists of rectangular plates I, II, and III.
[0021] As described above, a special tool for adjusting the clearance between the coupling and the connecting seat of a Malt pump includes a rod located on the side of plate II away from plate I and fixedly connected to plate II. The rod is used to facilitate the user's gripping of the special tool.
[0022] As described above, a special tool for adjusting the clearance between the coupling and the connecting seat of a Malt oil pump has a rod perpendicular to plate II.
[0023] As described above, a special tool for adjusting the gap between the coupling and the connecting seat of a Malt oil pump has a through hole I on the left plate and a through hole II on the right plate; the main shaft of the Malt oil pump is inserted into the connecting seat through the through hole I, and the motor shaft is inserted into the connecting seat through the through hole II; the lengths of the main shaft of the Malt oil pump and the motor shaft inserted into the connecting seat are the same.
[0024] As described above, a special tool for adjusting the clearance between the coupling and the connecting seat of a Malt oil pump includes two set screws, two coupling gears, and one coupling outer sleeve. The coupling gears are cylindrical; a through hole III is provided on the cylinder; the central axis of through hole III is the same as the central axis of the cylinder; a ring of ratchet teeth A is provided on the circumference of the cylinder; a through hole IV is provided on the circumference of the cylinder, communicating with through hole III; through hole IV is a threaded hole, threadedly connected to the set screws; the coupling outer sleeve is a hollow cylinder, with ratchet teeth B provided on the inner wall of the hollow cylinder; the coupling gears are inserted into the coupling outer sleeve and connected to the coupling outer sleeve through the meshing of ratchet teeth A and B.
[0025] When the coupling gear is inserted into the coupling sleeve, the through hole IV is located on the outside of the coupling sleeve, and the set screw that is threaded to the through hole IV contacts the coupling sleeve.
[0026] As described above, a special tool for adjusting the clearance between the coupling and the connecting seat of a Mal oil pump is provided. The diameters of the Mal oil pump main shaft and the motor shaft are different, and the diameters of the Mal oil pump main shaft and the motor shaft are respectively less than or equal to the through hole III.
[0027] Beneficial effects:
[0028] During production, during the time of on-site cleaning or abnormal stoppage, a special tool for adjusting the gap between the coupling and the connecting seat of the oil pump, as described in this application, can be used to adjust the gap at both ends of the oil pump coupling. This can quickly and effectively center the oil pump coupling and effectively prevent the problem of intermittent oil supply caused by displacement of the oil pump coupling and uneven gap at both ends. Attached Figure Description
[0029] Figures 1-2 This is a schematic diagram showing the use of the special tool for adjusting the gap of the Malt oil pump coupling at different angles according to this utility model;
[0030] Figure 3 An exploded schematic diagram of the coupling of the Malt oil pump;
[0031] Figure 4 This application provides a special tool for adjusting the clearance between the coupling and the connecting seat of the Malt oil pump.
[0032] Among them, 1-Marl oil pump, 2-motor, 3-connecting seat, 4-special tool for adjusting the gap between the Marl oil pump coupling and the connecting seat, 5-Marl oil pump coupling, 6-Marl oil pump main shaft, 7-motor shaft, 8-set screw, 9-coupling gear, 10-coupling outer sleeve. Detailed Implementation
[0033] The present invention will be further described below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims.
[0034] like Figures 1-3 As shown, the main shaft 6 of the Maling agent pump and the motor shaft 7 of the motor 2 are connected in the connecting seat 3 via the Maling agent pump coupling 5. The connecting seat 3 is a hollow cubic structure composed of an upper plate, a lower plate, a left plate, and a right plate. The left plate has a through hole I, and the right plate has a through hole II. The Maling agent pump main shaft 6 is inserted into the connecting seat 3 through through hole I, and the motor shaft 7 is inserted into the connecting seat 3 through through hole II. The lengths of the Maling agent pump main shaft 6 and the motor shaft 7 inserted into the connecting seat 3 are the same. The diameters of the Maling agent pump main shaft 6 and the motor shaft 7 are different. The Maling agent pump coupling 5 includes two set screws 8, two coupling gears 9, and one coupling sleeve 10. The coupling gear 9 includes a cylinder with a through hole III. The central axis of hole III is the same as the central axis of the cylinder; the diameters of the main shaft 6 of the oil pump and the motor shaft 7 are less than or equal to those of through hole III; a ring of ratchet teeth A is provided on the circumference of the cylinder; through hole IV is provided on the circumference of the cylinder, and through hole IV is connected to through hole III; through hole IV is a threaded hole, and through hole IV is threadedly connected to set screw 8; the coupling sleeve 10 is a hollow cylinder, and the inner wall of the hollow cylinder is provided with ratchet teeth B; the coupling gear 9 is used to insert into the coupling sleeve 10, and is connected to the coupling sleeve 10 through the meshing of ratchet teeth A and ratchet teeth B; when the coupling gear 9 is inserted into the coupling sleeve 10, through hole IV is located outside the coupling sleeve 10, and set screw 8, which is threadedly connected to through hole IV, contacts the coupling sleeve 10;
[0035] The installation process for connecting the main shaft 6 of the Mal oil pump and the motor shaft 7 via the Mal oil pump coupling 5 is as follows: After the main shaft 6 of the Mal oil pump is inserted into the connecting seat 3 through the through hole I, the main body of the Mal oil pump 1 is fixedly connected to the connecting seat 3. Then, a coupling gear 9 is fitted onto the main shaft 6 (i.e., inserted into the through hole III of a coupling gear 9). After that, a coupling sleeve 10 is fitted onto the outside of the coupling gear 9. Next, a coupling gear 9 is fitted onto the motor shaft 7. Then, the motor shaft 7 and its coupling gear 9 are inserted into the connecting seat 3 through the through hole II, and the coupling gear 9 on the motor shaft 7 is also inserted. When the two coupling gears 9 are simultaneously fitted onto the coupling outer sleeve 10, the set screws 8 of the two coupling gears 9 are located outside the coupling outer sleeve 10 and in contact with it. Since the lengths of the main shaft 6 of the Mal oil pump and the motor shaft 7 inserted into the connecting seat 3 are the same, it is necessary to adjust the middle position of the Mal oil pump coupling 5 to the connecting seat 3 (i.e., the distance between the coupling and the left and right plates is the same) to ensure that after rotating the two set screws 8, the two set screws 8 can respectively abut against the main shaft 6 of the Mal oil pump and the motor shaft 7, so as to fix the two coupling gears 9 on the main shaft 6 of the Mal oil pump and the motor shaft 7 respectively.
[0036] like Figure 4 As shown, a special tool 4 for adjusting the clearance between the coupling and the connecting seat of a Malt pump includes plate I, plate II, plate III and a rod;
[0037] Plate I, Plate II, and Plate III are all rectangular plates; Plate I, Plate II, and Plate III are connected in sequence to form a U-shaped structure;
[0038] The rod is perpendicular to plate II, located on the side of plate II away from plate I, and is fixedly connected to plate II;
[0039] Let a be the distance between the two opposing faces of the two coupling gears 9 in the oil pump coupling 5 when the main shaft 6 of the oil pump and the motor shaft 7 are connected through the oil pump coupling 5; let b be the distance between the left plate and the right plate in the connecting seat 3.
[0040] Plate I and Plate III have the same thickness. The distance between the two opposite faces of Plate I and Plate III is a, and the distance between the two back faces of Plate I and Plate III is b.
[0041] Plate I is provided with a U-shaped groove I; the opening direction of the U-shaped groove I is away from plate II; the length direction of the U-shaped groove I is parallel to the direction from plate I to plate III, and the length of the U-shaped groove I is the same as the thickness of plate I; the width of the U-shaped groove I is the same as the diameter of the main shaft 6 of the Malt oil pump.
[0042] Plate III is provided with a U-shaped groove II; the opening direction of the U-shaped groove II is away from plate II, the length direction of the U-shaped groove II is parallel to the direction from plate I to plate III, and the length of the U-shaped groove II is the same as the thickness of plate III; the width of the U-shaped groove II is the same as the diameter of the motor shaft 7.
[0043] Let the cross-section of U-shaped groove I be U-shaped I, and let E be the midpoint of the line connecting the two ends of U-shaped I. Let the cross-section of U-shaped groove II be U-shaped II, and let F be the midpoint of the line connecting the two ends of U-shaped II. The line connecting E and F is perpendicular to plate I.
[0044] After prolonged operation, uneven gaps between the two ends of the oil pump coupling 5 and the connecting seat 3 occur. Adjustment of the gap between the oil pump coupling 5 and the connecting seat 3 is necessary. First, loosen the two set screws 8. Then, bring the special tool 4 for adjusting the gap between the oil pump coupling 5 and the connecting seat close to the oil pump coupling 5, ensuring that the oil pump main shaft 6 is engaged in U-groove I and the motor shaft 7 is engaged in U-groove II. Since plates I and III have the same thickness, and the distance between the two opposite surfaces of plates I and III is 'a', and the distance between the two opposing surfaces of plates I and III is 'b', this ensures that when the oil pump main shaft 6 is engaged in U-groove I and the motor shaft 7 is engaged in U-groove II, the oil pump coupling 5 is centered in the connecting seat 3, allowing for rapid adjustment. Then, tighten the two set screws 8 to complete the adjustment.
Claims
1. A special tool for adjusting the gap between the Malvern agent pump coupling and the connecting seat, the connecting seat being a hollow cuboid structure composed of an upper plate, a lower plate, a left plate and a right plate, characterized in that, The special tool for adjusting the gap between the Malus oil agent pump coupling and the connecting seat comprises a plate I, a plate II and a plate III; the plate I, the plate II and the plate III are sequentially connected to form a U-shaped structure; When the Malus oil agent pump main shaft and the motor shaft are connected through the Malus oil agent pump coupling, the distance between the two opposite surfaces of the two coupling gears in the Malus oil agent pump coupling is a; the distance between the left plate and the right plate in the connecting seat is b; The plate I and the plate III have the same thickness, the distance between the two opposite surfaces of the plate I and the plate III is a, and the distance between the two opposite surfaces of the plate I and the plate III is b; The plate I is provided with a U-shaped groove I; the opening direction of the U-shaped groove I is away from the plate II; the length direction of the U-shaped groove I is parallel to the direction from the plate I to the plate III, and the length of the U-shaped groove I is the same as the thickness of the plate I; the width of the U-shaped groove I is the same as the diameter of the Malus oil agent pump main shaft; The plate III is provided with a U-shaped groove II; the opening direction of the U-shaped groove II is away from the plate II, the length direction of the U-shaped groove II is parallel to the direction from the plate I to the plate III, and the length of the U-shaped groove II is the same as the thickness of the plate III; the width of the U-shaped groove II is the same as the diameter of the motor shaft; The cross section of the U-shaped groove I is U-shaped I, the midpoint of the line connecting the two endpoints of U-shaped I is E, the cross section of the U-shaped groove II is U-shaped II, the midpoint of the line connecting the two endpoints of U-shaped II is F, and the line connecting E and F is perpendicular to the plate I.
2. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malus oil agent according to claim 1, characterized in that, The plate I, the plate II and the plate III are all rectangular plates.
3. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malvern agent according to claim 1, characterized in that, The special tool further comprises a rod, which is located on the side of the plate II away from the plate I and is fixedly connected with the plate II.
4. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malvern agent according to claim 3, characterized in that, The rod is perpendicular to the plate II.
5. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malvern agent pump according to claim 4, characterized in that, The left plate is provided with a through hole I, and the right plate is provided with a through hole II; the Malus oil agent pump main shaft is inserted into the connecting seat through the through hole I, and the motor shaft is inserted into the connecting seat through the through hole II; the lengths of the Malus oil agent pump main shaft and the motor shaft inserted into the connecting seat are the same.
6. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malvern agent pump according to claim 1, characterized in that, The Malus oil agent pump coupling comprises two top screws, two coupling gears and a coupling sleeve; the coupling gear comprises a cylinder; the cylinder is provided with a through hole III; the central axis of the through hole III is the same as the central axis of the cylinder; the peripheral surface of the cylinder is provided with a ring of ratchet teeth A; the peripheral surface of the cylinder is provided with a through hole IV, which is in communication with the through hole III; the through hole IV is a threaded hole, and the through hole IV is threadedly connected with the top screw; the coupling sleeve is a hollow cylinder, and the inner wall of the hollow cylinder is provided with ratchet teeth B; the coupling gear is used for being inserted into the coupling sleeve and being connected with the coupling sleeve through the meshing of the ratchet teeth A and the ratchet teeth B; When the coupling gear is inserted into the coupling sleeve, the through hole IV is located outside the coupling sleeve, and the top screw threadedly connected with the through hole IV is in contact with the coupling sleeve.
7. The tool for adjusting the gap between the pump coupling and the connecting seat of the Malvern agent pump according to claim 6, characterized in that, The diameters of the Malus oil agent pump main shaft and the motor shaft are different, and the diameters of the Malus oil agent pump main shaft and the motor shaft are respectively less than or equal to the through hole III.
Citation Information
Patent Citations
Connecting device for motor and oiling agent pump
CN215109319U