Connecting device between servo motor and oil pump

Abstract

The utility model provides a connecting device between a servo motor and an oil pump, and relates to the technical field of motor connection. The connecting device between the servo motor and the oil pump comprises a servo motor body and an oil pump body, and a servo motor output shaft is rotationally installed on one side of the servo motor body. According to the connecting device between the servo motor and the oil pump, a first connecting shaft and a second connecting shaft are connected, a square block can be inserted into a square notch, a plurality of positioning columns can be inserted into a plurality of circular notches correspondingly, and at the moment, a plurality of threaded notches of a first fixing ring and a plurality of threaded notches of a second fixing ring are in an aligned state; and then a plurality of fastening bolts are used for connecting the first fixing ring and the second fixing ring through a plurality of threaded notches of the first fixing ring and the second fixing ring, so that the oil pump output shaft and the first connecting shaft are fixedly connected, the connection between the servo motor body and the oil pump body is more stable, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to a connection device, in particular to a connection device between a servo motor and an oil pump, belonging to the technical field of motor connection. Background Art

[0002] A servo motor is an engine that controls the operation of mechanical components in a servo system. It is an auxiliary motor indirect speed change device. The servo motor can control speed and has very accurate position accuracy. It can convert voltage signals into torque and speed to drive the controlled object. Currently, servo motors have been widely used in various industries. The output motor shaft in a servo motor is usually connected to components such as an oil pump through a coupling.

[0003] The existing connection device between the servo motor and the oil pump is usually connected by a relatively simple snap-in connection. Under long-term and high-intensity use, the snap-in connection between the two is prone to loosening, affecting the use effect of the device and reducing the practicality of the device. Moreover, after a period of use, the connection device usually has a certain degree of wear and tear, and needs to be replaced in time to ensure the stability of the connection. The existing connection device is usually a fixed connection setting, which is troublesome to replace, reducing the use effect of the device. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] The purpose of the utility model is to provide a connection device between the servo motor and the oil pump in order to solve the above-mentioned problem, so as to solve the problem in the prior art that the engagement between the two is easily loosened under long-term and high-intensity use, thereby affecting the use effect of the device and reducing the practicality of the device.

[0006] (II) Technical solution

[0007] The utility model is implemented through the following technical scheme: a connecting device between a servo motor and an oil pump comprises a servo motor body and an oil pump body, a servo motor output shaft is rotatably mounted on one side of the servo motor body, an oil pump output shaft is rotatably mounted on one side of the oil pump body, a connecting structure is arranged between the servo motor output shaft and the oil pump output shaft, the connecting structure comprises a first connecting shaft and a second connecting shaft, the first connecting shaft and the second connecting shaft are respectively arranged at one end of the servo motor output shaft and the oil pump output shaft, a first fixing ring is fixedly mounted on the outer side of the first connecting shaft, and a second fixing ring is fixedly mounted on the outer side of the second connecting shaft.

[0008] Preferably, a square block is fixedly installed at one end of the first connecting shaft, and a square slot is opened at one end of the second connecting shaft. The square block and the square slot match each other. The square block and the square slot can produce a snap-fit ​​effect between the first connecting shaft and the second connecting shaft through the square block, thereby improving the connectivity between the two.

[0009] Preferably, a plurality of positioning columns are fixedly installed on one side of the first fixing ring, and the second fixing ring is provided with a plurality of circular notches, and the plurality of positioning columns are matched with the plurality of circular notches respectively. The arranged positioning columns can, on the one hand, improve the connection effect between the first fixing ring and the second fixing ring, and on the other hand, can be used to fix the position of the threaded notches of the first fixing ring and the second fixing ring to ensure that the threaded notches of the two remain in an aligned state.

[0010] Preferably, the first fixing ring and the second fixing ring are both provided with a plurality of threaded slots, and a plurality of fastening bolts are respectively threadedly connected in the plurality of threaded slots of the first fixing ring and the second fixing ring. The first fixing ring and the second fixing ring are connected by the plurality of fastening bolts. The threaded slots provided in the first fixing ring and the second fixing ring can be used to connect the two by the fastening bolts, thereby reinforcing the connection between the first connecting shaft and the second connecting shaft.

[0011] Preferably, a fixed structure is provided between the servo motor output shaft and the first connecting shaft and between the oil pump output shaft and the second connecting shaft, and the fixed structure includes a fixed plug block, two of the fixed plug blocks are respectively fixedly installed on one end of the first connecting shaft and the second connecting shaft, a plurality of return springs are fixedly installed on the inner side of the fixed plug block, and a limiting block is fixedly installed on one end of the plurality of return springs.

[0012] Preferably, one end of the servo motor output shaft and the oil pump output shaft are both provided with a square slot, and the fixed plug block matches the square slot.

[0013] Preferably, square grooves are provided on both sides of the fixed plug block, the two limit blocks are respectively arranged in the two square grooves and in sliding contact with the fixed plug block, and square card grooves are formed on both sides of the square slots provided on the servo motor output shaft and the oil pump output shaft, and the fixed plug block and the square card grooves match each other.

[0014] The utility model provides a connection device between a servo motor and an oil pump, which has the following beneficial effects:

[0015] 1. The connection device between the servo motor and the oil pump connects the first connecting shaft and the second connecting shaft, the square block is inserted into the square notch, and the plurality of positioning columns are respectively inserted into the plurality of circular notches. At this time, the plurality of threaded notches of the first fixing ring and the second fixing ring are in an aligned state, and then the plurality of fastening bolts are passed through the plurality of threaded notches of the first fixing ring and the second fixing ring to connect the first fixing ring and the second fixing ring, thereby completing the fixed connection between the oil pump output shaft and the first connecting shaft, making the connection between the servo motor body and the oil pump body more stable, and improving the practicality of the device.

[0016] 2. The connection device between the servo motor and the oil pump, by pressing the two limit blocks in the square slots of the servo motor output shaft and the oil pump output shaft, the two limit blocks will be moved from the square slots of the servo motor output shaft and the oil pump output shaft to the square slide grooves on both sides of the fixed plug block, thereby canceling the limiting effect of the fixed plug block, and the two fixed plug blocks can be respectively moved out of the square slots of the servo motor output shaft and the oil pump output shaft to replace the device, and then the two new fixed plug blocks are respectively inserted into the two square slots. When inserted to the bottom, the two limit blocks on both sides of the two new fixed plug blocks will be moved from the square slide grooves on both sides of the two fixed plug blocks to the square slots on both sides of the servo motor output shaft and the oil pump output shaft under the elastic action of a number of reset springs to limit and fix them to complete the replacement, making the replacement and disassembly of the device simple and convenient, and improving the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a partial cross-sectional view of the utility model;

[0019] Figure 3 It is an exploded view of the connection structure of the utility model;

[0020] Figure 4 It is a cross-sectional view of the fixing structure of the utility model.

[0021]

Main component symbol description

[0022] 1. Servo motor body; 2. Oil pump body; 3. Servo motor output shaft; 4. Oil pump output shaft; 5. First connecting shaft; 6. Square block; 7. First fixing ring; 8. Positioning column; 9. Second connecting shaft; 10. Second fixing ring; 11. Fastening bolt; 12. Fixing block; 13. Reset spring; 14. Limit block. DETAILED DESCRIPTION

[0023] The embodiment of the utility model provides a connection device between a servo motor and an oil pump.

[0024] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a servo motor body 1 and an oil pump body 2, a servo motor output shaft 3 is rotatably mounted on one side of the servo motor body 1, an oil pump output shaft 4 is rotatably mounted on one side of the oil pump body 2, a connecting structure is arranged between the servo motor output shaft 3 and the oil pump output shaft 4, the connecting structure includes a first connecting shaft 5 and a second connecting shaft 9, the first connecting shaft 5 and the second connecting shaft 9 are respectively arranged at one end of the servo motor output shaft 3 and the oil pump output shaft 4, a first fixing ring 7 is fixedly mounted on the outer side of the first connecting shaft 5, and a second fixing ring 10 is fixedly mounted on the outer side of the second connecting shaft 9.

[0025] In this embodiment, a square block 6 is fixedly mounted on one end of the first connecting shaft 5 , and a square notch is opened on one end of the second connecting shaft 9 , and the square block 6 matches the square notch.

[0026] In this embodiment, a plurality of positioning posts 8 are fixedly mounted on one side of the first fixing ring 7 , a plurality of circular notches are formed on the second fixing ring 10 , and the plurality of positioning posts 8 are matched with the plurality of circular notches respectively.

[0027] In this embodiment, the first fixing ring 7 and the second fixing ring 10 are both provided with a plurality of threaded slots, and a plurality of fastening bolts 11 are respectively threadedly connected in the plurality of threaded slots of the first fixing ring 7 and the second fixing ring 10, and the first fixing ring 7 and the second fixing ring 10 are connected by the plurality of fastening bolts 11.

[0028] In this embodiment, a fixed structure is provided between the servo motor output shaft 3 and the first connecting shaft 5 and between the oil pump output shaft 4 and the second connecting shaft 9, and the fixed structure includes a fixed plug 12, and the two fixed plugs 12 are respectively fixedly installed on one end of the first connecting shaft 5 and the second connecting shaft 9, and a plurality of return springs 13 are fixedly installed on the inner side of the fixed plug 12, and a limit block 14 is fixedly installed on one end of the plurality of return springs 13.

[0029] In this embodiment, one end of the servo motor output shaft 3 and the oil pump output shaft 4 are both provided with a square slot, and the fixed insert block 12 matches the square slot.

[0030] In this embodiment, square grooves are provided on both sides of the fixed plug block 12, and two limit blocks 14 are respectively arranged in the two square grooves and in sliding contact with the fixed plug block 12. Square card grooves are formed on both sides of the square slots provided by the servo motor output shaft 3 and the oil pump output shaft 4, and the fixed plug block 12 matches the square card grooves.

[0031] It should be noted that the utility model is a connection device between a servo motor and an oil pump. When in use, the square block 6 at one end of the first connecting shaft 5 is aligned with the square notch at one end of the second connecting shaft 9, and a plurality of positioning columns 8 are aligned with a plurality of circular notches on the second fixing ring 10. Then, the first connecting shaft 5 and the second connecting shaft 9 are connected, and the square block 6 is inserted into the square notch, and a plurality of positioning columns 8 are respectively inserted into a plurality of circular notches. At this time, a plurality of threaded notches of the first fixing ring 7 and the second fixing ring 10 are aligned, and then a plurality of fastening bolts 11 are passed through a plurality of threaded notches of the first fixing ring 7 and the second fixing ring 10 to connect the first fixing ring 7 and the second fixing ring 10, thereby completing the fixed connection between the oil pump output shaft 4 and the first connecting shaft 5, making the connection between the servo motor body 1 and the oil pump body 2 more stable, and improving the practicality of the device.

[0032] When the device is worn out and needs to be replaced after being used for a period of time, the two limit blocks 14 in the square slots of the servo motor output shaft 3 and the oil pump output shaft 4 are pressed, and the two limit blocks 14 will be moved from the square slots of the servo motor output shaft 3 and the oil pump output shaft 4 to the square slots on both sides of the fixed plug block 12, thereby canceling the limiting effect of the fixed plug block 12. The two fixed plug blocks 12 can be removed from the square slots of the servo motor output shaft 3 and the oil pump output shaft 4 to replace the device, and then the two new fixed plug blocks 12 are respectively inserted into the two square slots. When inserted to the bottom, the two limit blocks 14 on both sides of the two new fixed plug blocks 12 will be moved from the square slots on both sides of the two fixed plug blocks 12 to the square slots on both sides of the servo motor output shaft 3 and the oil pump output shaft 4 under the elastic action of a number of return springs 13 to complete the replacement by limiting and fixing, making the replacement and disassembly of the device simple and convenient, and improving the use effect of the device.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A connection device between a servo motor and an oil pump, comprising a servo motor body (1) and an oil pump body (2), characterized in that: A servo motor output shaft (3) is rotatably mounted on one side of the servo motor body (1), and an oil pump output shaft (4) is rotatably mounted on one side of the oil pump body (2). A connecting structure is provided between the servo motor output shaft (3) and the oil pump output shaft (4), and the connecting structure comprises a first connecting shaft (5) and a second connecting shaft (9). The first connecting shaft (5) and the second connecting shaft (9) are respectively provided at one end of the servo motor output shaft (3) and the oil pump output shaft (4). A first fixing ring (7) is fixedly mounted on the outer side of the first connecting shaft (5), and a second fixing ring (10) is fixedly mounted on the outer side of the second connecting shaft (9).

2. The connection device between the servo motor and the oil pump according to claim 1, characterized in that: A square block (6) is fixedly mounted on one end of the first connecting shaft (5), and a square notch is opened on one end of the second connecting shaft (9), and the square block (6) matches the square notch.

3. The connection device between the servo motor and the oil pump according to claim 1, characterized in that: A plurality of positioning columns (8) are fixedly mounted on one side of the first fixing ring (7), and a plurality of circular notches are opened on the second fixing ring (10), and the plurality of positioning columns (8) are matched with the plurality of circular notches respectively.

4. The connection device between the servo motor and the oil pump according to claim 1, characterized in that: The first fixing ring (7) and the second fixing ring (10) are both provided with a plurality of threaded notches, and a plurality of fastening bolts (11) are respectively threadedly connected in the plurality of threaded notches of the first fixing ring (7) and the second fixing ring (10), and the first fixing ring (7) and the second fixing ring (10) are connected via the plurality of fastening bolts (11).

5. The connection device between the servo motor and the oil pump according to claim 1, characterized in that: A fixing structure is provided between the servo motor output shaft (3) and the first connecting shaft (5) and between the oil pump output shaft (4) and the second connecting shaft (9), and the fixing structure comprises a fixing plug (12), two fixing plugs (12) are fixedly mounted on one end of the first connecting shaft (5) and the second connecting shaft (9), respectively, a plurality of return springs (13) are fixedly mounted on the inner side of the fixing plug (12), and a limiting block (14) is fixedly mounted on one end of the plurality of return springs (13).

6. The connection device between the servo motor and the oil pump according to claim 5, characterized in that: One end of the servo motor output shaft (3) and the oil pump output shaft (4) are both provided with a square slot, and the fixed plug block (12) matches the square slot.

7. The connection device between the servo motor and the oil pump according to claim 5, characterized in that: Square slide grooves are provided on both sides of the fixed plug block (12), the two limit blocks (14) are respectively arranged in the two square slide grooves and are in sliding contact with the fixed plug block (12), and square slots are formed on both sides of the square slots provided on the servo motor output shaft (3) and the oil pump output shaft (4), and the fixed plug block (12) and the square slots match each other.

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