Motor oil pump switching device

Abstract

The invention relates to the technical field of oil pump connecting structures, and discloses a motor oil pump switching device which comprises two connecting sleeves, and connecting assemblies are arranged on the connecting sleeves. The connecting assembly comprises pressing sleeves, the pressing sleeves are arranged on one sides of the connecting sleeves, the outer wall of one connecting sleeve is fixedly connected with a plurality of connecting frames, the outer wall of the other connecting sleeve is fixedly connected with a plurality of inserting rods, one side of one pressing sleeve is fixedly connected with an outer gear ring, and one side of the other pressing sleeve is fixedly connected with an inner gear ring. The shaft end extends into the conical hole of the pressing sleeve through the connecting sleeve and is clamped in the radial direction from wide to narrow, the friction and the multi-directional extrusion force are increased with the assistance of the silica gel convex points and the convex blocks jacked by the springs, the second bolt is used for reinforcing, sliding and idling are reduced, the connecting frame and the inserting rod are locked through the first bolt, the outer gear ring and the inner gear ring are stably meshed, and the service life of the outer gear ring and the inner gear ring is prolonged. And stable transmission from the motor shaft to the oil pump shaft is facilitated, and internal accumulated heat can be conveniently reduced through the fin plates.

Description

Technical Field

[0001] This invention relates to the field of motor oil pump connection structure technology, and in particular to a motor oil pump adapter. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Its core function is to convert electrical energy into mechanical energy or mechanical energy into electrical energy. An electric motor oil pump is a device that integrates an electric motor and an oil pump. Its core function is to drive the oil pump to operate through the rotation of the electric motor, thereby realizing the extraction, transportation, and pressurization of oil. The torque output by the electric motor needs to be transmitted to the oil pump through an adapter to ensure that the oil pump operates stably under rated load. Therefore, it is necessary to connect the electric motor and the oil pump.

[0003] A search revealed Chinese patent CN117553076A, which discloses a clutch coupling. The patent addresses the issue that the process of first aligning the two sleeves on the coupling and then individually installing bolts, nuts, or serpentine springs is time-consuming and cumbersome, reducing coupling efficiency and hindering the quick installation and separation of the two sleeves. Therefore, a solution using two coupling sleeves in conjunction with a connecting device allows for rapid connection between the two sleeves, reducing the difficulty of coupling installation and improving connection efficiency.

[0004] While the aforementioned couplings improve connection efficiency, when connecting to a shaft end, a connecting piece must be attached to the outside of the shaft end. Connecting to a shaft end without a connecting piece is difficult and requires fixing. Traditionally, couplings are used to connect motors and oil pumps. However, since the motor outputs rotational power via a cylindrical rotating shaft, it is prone to slippage within the coupling during high-speed rotation due to insufficient internal contact, leading to free-spinning and making it difficult to drive the oil pump. Furthermore, traditional couplings are typically tight-fitting tubular structures, and the oil pump generates heat during operation. This heat can accumulate in the coupling and be conducted to the motor through the adapter coupling, potentially causing excessively high motor bearing temperatures and shortening the motor's lifespan. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a motor oil pump adapter.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a motor oil pump adapter, comprising two connecting sleeves, wherein connecting components are provided on the connecting sleeves;

[0007] The connecting assembly includes a clamping sleeve disposed on a connecting sleeve. Multiple connecting brackets are fixedly connected to the outer wall of one connecting sleeve, and multiple insert rods are fixedly connected to the outer wall of the other connecting sleeve. An external gear ring is fixedly connected to one side of one clamping sleeve, and an internal gear ring is fixedly connected to one side of the other clamping sleeve. Two reinforcing rings are fixedly connected to the outer wall of the internal gear ring.

[0008] As a further description of the above technical solution:

[0009] A screw hole is provided on one side of the insertion rod, and a first bolt is threaded onto one side of the connecting bracket. The first bolt is threaded into the inside of the screw hole.

[0010] As a further description of the above technical solution:

[0011] The outer gear ring and the inner gear ring are meshed together. One of the clamping sleeves is fixedly connected between multiple connecting frames, and the other clamping sleeve is fixedly connected between multiple insert rods.

[0012] As a further description of the above technical solution:

[0013] The insertion rod is slidably connected inside the connecting frame, and the cross-section of the insertion rod is F-shaped.

[0014] As a further description of the above technical solution:

[0015] The connecting frame has a groove inside for the insertion rod to slide, and the clamping sleeve has a conical hole inside.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the connecting sleeve is threaded with a plurality of second bolts, which are arranged in a ring. The outer side of the connecting sleeve has a plurality of threaded holes for the installation of the second bolts. The inner wall of the connecting sleeve is provided with a plurality of silicone protrusions, which are arranged in an alternating pattern.

[0018] As a further description of the above technical solution:

[0019] The connecting sleeve has multiple inner holes arranged in a ring inside. A T-post is slidably connected inside the inner hole. One end of the T-post is fixedly connected to a limiting circular plate, which is slidably connected inside the inner hole.

[0020] As a further description of the above technical solution:

[0021] A spring is fixedly connected between the limiting circular plate and the inner hole. The spring is sleeved on the outside of the T-post. A silicone protrusion is provided on one side of the limiting circular plate.

[0022] As a further description of the above technical solution:

[0023] Multiple finned plates are fixedly connected between the connecting sleeve and the clamping sleeve, and the multiple finned plates are arranged in a ring between the connecting sleeve and the clamping sleeve.

[0024] The present invention has the following beneficial effects:

[0025] 1. The present invention, through the setting of the connecting components, allows the shaft ends of the motor shaft and the oil pump shaft to pass through the connecting sleeves on both sides and enter the clamping sleeve. Because the clamping sleeve is provided with a conical hole, after the shaft end passes through the wider area of ​​the conical hole and enters the narrower area, the shaft end is easily clamped between the narrower area when subjected to compressive force, thus facilitating the fixation of the shaft end and the clamping sleeve. Then, the silicone protrusions increase the friction between the outside of the shaft end and the connecting sleeve. Combined with the compression of the outer wall of the shaft end by the silicone protrusions pushed by the spring force, the shaft end is easily subjected to thrust from multiple sides, clamping the shaft end and improving the tightness after the shaft end is clamped into the connecting sleeve. Finally, the second bolt further compresses the outside of the shaft end to further tighten it, which helps to reduce the phenomenon of slippage and free rotation of the shaft ends of the motor shaft and the oil pump shaft in the connecting sleeve and the clamping sleeve.

[0026] 2. The present invention connects the connecting frame and the plug rod by inserting them together and locking them with the first bolt. This facilitates the clamping between the outer gear ring and the inner gear ring and helps to distribute the torque and stress generated by the meshing rotation of the outer gear ring and the inner gear ring. This helps to improve the support force and facilitates the smooth transmission of the rotational force from the motor shaft end to the oil pump shaft end.

[0027] 3. The present invention, through the arrangement of multiple finned plates, helps to dissipate heat between the connecting sleeve and the clamping sleeve, which helps to reduce the accumulation of heat generated at the motor shaft end and oil pump shaft end inside the sleeve, and facilitates the heat to come into contact with the air and dissipate, thereby extending the service life of the motor shaft end.

[0028] In terms of connection, the ends of the motor shaft and the oil pump shaft are respectively inserted into the connecting sleeves on both sides and penetrate into the clamping sleeve. The conical hole structure inside the clamping sleeve allows the shaft end to be subjected to radial extrusion force when pushed from a wider area to a narrower area, which facilitates clamping. At the same time, the silicone protrusions set in the connecting sleeve increase the friction with the shaft end, and combined with the silicone protrusions pushed by the spring, the shaft end is subjected to multi-directional extrusion. With the locking effect of the second bolt, the tightness of the shaft end connection is improved. In terms of transmission structure, the outer gear ring and the inner gear ring are stably engaged by the insertion of the connecting bracket and the plug rod and locked by the first bolt. This facilitates the distribution of torque and stress generated during the meshing transmission between the two, thereby facilitating the smooth transmission of the rotational power of the motor shaft to the oil pump shaft. The added multiple fin plates enhance the heat dissipation capacity of the connecting sleeve and the clamping sleeve area, reduce the accumulation of heat inside the sleeve, and facilitate the dissipation of heat into the air. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure proposed in this invention;

[0030] Figure 2 This is a schematic diagram of the finned plate structure proposed in this invention;

[0031] Figure 3 This is a schematic diagram of the internal gear ring structure proposed in this invention;

[0032] Figure 4 This is a schematic diagram of the cross-sectional structure of the clamping sleeve proposed in this invention;

[0033] Figure 5 This is a schematic diagram of the internal gear ring structure proposed in this invention;

[0034] Figure 6 This is a schematic diagram of the cross-sectional structure of the connecting frame proposed in this invention;

[0035] Figure 7 This is a schematic diagram of the insertion rod structure proposed in this invention;

[0036] Figure 8 This is a schematic diagram of the cross-sectional structure of the connecting sleeve proposed in this invention.

[0037] Legend:

[0038] 1. Connecting sleeve; 2. Connecting bracket; 3. Insert rod; 4. Pressing sleeve; 5. External gear ring; 6. Internal gear ring; 7. Reinforcing ring; 8. First bolt; 9. Conical hole; 10. Second bolt; 11. Silicone protrusion; 12. Inner hole; 13. T-post; 14. Limiting round plate; 15. Spring; 16. Silicone protrusion; 17. Fin plate. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] As attached Figure 1-8 As shown, one embodiment of the present invention is provided: a motor oil pump adapter, including two connecting sleeves 1 that can be inserted through the shaft end, which are in the shape of round tubes, and connecting components are provided on the outside of the connecting sleeves 1;

[0041] The connecting assembly includes a cylindrical clamping sleeve 4, which is disposed on the connecting sleeve 4. Multiple connecting brackets 2 are fixedly connected to the outer wall of one connecting sleeve 1 to facilitate force transmission and improve the stability of the clamping sleeve 4. Multiple insertion rods 3 for engaging with the connecting brackets 2 are fixedly connected to the outer wall of the other connecting sleeve 1. An outer toothed ring 5 with outward toothed blocks is fixedly connected to one side of one clamping sleeve 4, and an inner toothed ring 6 with inward toothed grooves is fixedly connected to one side of the other clamping sleeve 4. Two reinforcing rings 7 are fixedly connected to the outer wall of the inner toothed ring 6 to strengthen the outer wall of the inner toothed ring 6 and reduce the possibility of breakage of the inner toothed ring 6.

[0042] As attached Figure 3 As shown, a screw hole is provided on one side of the insertion rod 3 for the first bolt 8 to be connected.

[0043] As attached Figure 2 As shown, a first bolt 8 for locking the insertion rod 3 is threaded on one side of the connecting frame 2. The first bolt 8 is threaded inside the screw hole. The outer gear ring 5 and the inner gear ring 6 are meshed, so that when one side of the clamping sleeve 4 rotates, the other side of the clamping sleeve 4 can be driven to rotate through the meshing of the tooth block and the tooth groove.

[0044] As attached Figure 1 As shown, one of the clamping sleeves 4 is fixedly connected between multiple connecting frames 2 to improve the stability of the clamping sleeve 4 when rotating. Another clamping sleeve 4 is fixedly connected between multiple insert rods 3. The insert rods 3 are slidably connected inside the connecting frame 2 so that the internal gear ring 6 and the external gear ring 5 can mesh stably. The cross-section of the insert rod 3 is F-shaped, and the two ends of the F-shape are connected to the connecting sleeve 1 and the clamping sleeve 4 respectively. The connecting frame 2 has a rod groove inside for the insert rod 3 to slide, and the rod groove matches the external dimensions of the insert rod 3.

[0045] As attached Figure 4 As shown, the inside of the clamping sleeve 4 is provided with a conical hole 9, and the diameter of the conical hole 9 gradually decreases from the distance from the shaft end port to the distance from the shaft end port.

[0046] As attached Figure 7 As shown, the outer wall of the connecting sleeve 1 is threaded with multiple second bolts 10 for clamping and squeezing the outer wall of the shaft end. The multiple second bolts 10 are arranged in a ring to facilitate uniform pressure on the outer wall of the shaft end. The outer side of the connecting sleeve 1 has multiple threaded holes for installing the second bolts 10. The inner wall of the connecting sleeve 1 is provided with multiple silicone protrusions 11 to increase the friction with the outer wall of the shaft end. The multiple silicone protrusions 11 are arranged in an alternating pattern. The silicone protrusions 11 are circular, which helps to improve the tightness of the shaft end installed inside the connecting sleeve 1.

[0047] As attached Figure 8As shown, the connecting sleeve 1 has multiple inner holes 12 for sliding of the limiting circular plate 14. The inner holes 12 are cylindrical and have through holes of different sizes on both sides. The multiple inner holes 12 are arranged in a ring. A T-shaped column 13 with a T-shaped cross section is slidably connected inside the inner hole 12. One end of the T-column 13 is fixedly connected to a limiting circular plate 14 for limiting the silicone protrusion 16. The limiting circular plate 14 is slidably connected inside the inner hole 12. A spring 15 for providing elastic force to the limiting circular plate 14 is fixedly connected between the limiting circular plate 14 and the inner hole 12. The spring 15 is sleeved on the outside of the T-column 13. The T-column 13 helps to reduce the deformation of the spring 15. A silicone protrusion 16 for pressing the outer wall of the shaft end is provided on one side of the limiting circular plate 14.

[0048] As attached Figure 4 As shown, multiple finned plates 17 are fixedly connected between the connecting sleeve 1 and the clamping sleeve 4 to increase the contact area with the outside air and facilitate heat dissipation. The multiple finned plates 17 are arranged in a ring between the connecting sleeve 1 and the clamping sleeve 4.

[0049] Working principle: When in use, insert the two connecting sleeves 1 into the motor shaft end and the oil pump shaft end respectively. After the connecting sleeve 1 enters the shaft end, multiple fin plates 17 will contact the outer wall of the shaft end. At this time, the outer wall of the shaft end will contact multiple silicone protrusions 11. The silicone protrusions 11 increase the friction with the outer wall of the shaft end. At the same time, the silicone protrusions 16 will press against the outer wall of the shaft end, thereby further enhancing the friction with the outer wall of the shaft end.

[0050] Then, the tapered hole 9 in the clamping sleeve 4 will enter the end of the shaft. Then, the clamping sleeve 4 is tapped with an external tool to make the tapered hole 9 move down. The narrower part above the tapered hole 9 will be clamped at the end of the shaft, which facilitates the initial fixation of the shaft end with the clamping sleeve 4 and the connecting sleeve 1. Then, multiple second bolts 10 are tightened on the connecting sleeve 1 with an external tool, so that one end of it abuts against the outer wall of the shaft end, which facilitates the further fixation of the shaft end and improves the stability of the shaft end installation.

[0051] After the motor shaft end and the oil pump shaft end are installed, the outer gear ring 5 and the inner gear ring 6 are aligned and inserted, so that the tooth block of the outer gear ring 5 is inserted into the tooth groove of the inner gear ring 6. At this time, the insertion rod 3 will be inserted into the rod groove inside the connecting frame 2, which facilitates the connection of the two clamping sleeves 4. Then, multiple first bolts 8 are threaded and locked in the screw holes outside the insertion rod 3, which facilitates the locking of the position of the insertion rod 3, and facilitates the rotation of the other clamping sleeve 4 when one side of the clamping sleeve 4 rotates.

[0052] When the connecting sleeve 1 on one side generates rotational force, the rotational force will drive the pressing sleeve 4 on one side to rotate through multiple finned plates 17 and multiple insert rods 3. The connection between the insert rod 3 and the connecting frame 2, and the connection between the outer gear ring 5 and the inner gear ring 6, facilitates the transmission of rotational force to the pressing sleeve 4 and the connecting sleeve 1 on the other side, thereby driving the connecting sleeve 1 on the other side to rotate.

[0053] When the oil pump shaft generates heat during rotation, the rotation of multiple finned plates 17 promotes air circulation, facilitating contact between the outer wall of the shaft end and the air, thereby facilitating heat dissipation from the shaft end.

[0054] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A motor oil pump adapter, comprising two connecting sleeves (1), characterized in that: The connecting sleeve (1) is provided with a connecting component; The connecting assembly includes a clamping sleeve (4) disposed on a connecting sleeve (4). One of the connecting sleeves (1) has multiple connecting brackets (2) fixedly connected to its outer wall, and another connecting sleeve (1) has multiple insert rods (3) fixedly connected to its outer wall. One of the clamping sleeves (4) has an external gear ring (5) fixedly connected to one side, and another clamping sleeve (4) has an internal gear ring (6) fixedly connected to one side. The outer wall of the internal gear ring (6) has two reinforcing rings (7) fixedly connected.

2. The motor oil pump adapter according to claim 1, characterized in that: The insertion rod (3) has a screw hole on one side, and the connecting bracket (2) is threaded with a first bolt (8) on one side, which is threaded inside the screw hole.

3. The motor oil pump adapter according to claim 1, characterized in that: The outer gear ring (5) and the inner gear ring (6) are meshed together. One of the clamping sleeves (4) is fixedly connected between multiple connecting frames (2), and the other clamping sleeve (4) is fixedly connected between multiple insert rods (3).

4. The motor oil pump adapter according to claim 1, characterized in that: The insertion rod (3) is slidably connected inside the connecting frame (2), and the cross section of the insertion rod (3) is F-shaped.

5. The motor oil pump adapter according to claim 1, characterized in that: The connecting frame (2) has a groove inside for the insertion rod (3) to slide, and the clamping sleeve (4) has a conical hole (9) inside.

6. The motor oil pump adapter according to claim 1, characterized in that: The outer wall of the connecting sleeve (1) is threaded with a plurality of second bolts (10), which are arranged in a ring. The outer side of the connecting sleeve (1) is provided with a plurality of threaded holes for the installation of the second bolts (10). The inner wall of the connecting sleeve (1) is provided with a plurality of silicone protrusions (11), which are arranged in an alternating pattern.

7. The motor oil pump adapter according to claim 1, characterized in that: The connecting sleeve (1) has multiple inner holes (12) inside, and the multiple inner holes (12) are arranged in a ring inside the connecting sleeve (1). A T-post (13) is slidably connected inside the inner hole (12). One end of the T-post (13) is fixedly connected to a limiting circular plate (14), and the limiting circular plate (14) is slidably connected inside the inner hole (12).

8. The motor oil pump adapter according to claim 7, characterized in that: A spring (15) is fixedly connected between the limiting circular plate (14) and the inner hole (12). The spring (15) is sleeved on the outside of the T-post (13). A silicone protrusion (16) is provided on one side of the limiting circular plate (14).

9. The motor oil pump adapter according to claim 1, characterized in that: A plurality of finned plates (17) are fixedly connected between the connecting sleeve (1) and the clamping sleeve (4), and the plurality of finned plates (17) are arranged in a ring between the connecting sleeve (1) and the clamping sleeve (4).

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