Self-lubricating structure of electric actuator
Real-time monitoring of lubricating oil through liquid level sensors and temperature sensors, combined with sound and light alarms and conveying mechanisms, solves the problem of difficult observation of lubricating oil levels, achieves timely replenishment of lubricating oil and stable operation of equipment, and extends the service life of electric actuators.
Patent Information
- Application Number
- CN202423281633.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The self-lubricating structure of existing electric actuators makes it difficult to visually observe the lubricating oil level, resulting in insufficient lubrication, affecting the normal operation and life of the equipment.
Liquid level sensors and temperature sensors are used to monitor the lubricating oil in real time. Combined with sound and light alarms and conveying mechanisms, timely replenishment of the lubricating oil is ensured. Transparent plates and sealing gaskets are used to improve sealing performance. A detachable liquid inlet pipe and fiber filter are designed to filter impurities.
It realizes real-time monitoring and timely replenishment of lubricating oil level, improves the operating stability and service life of the equipment, and ensures the continuous and stable operation of the lubrication system.
Smart Images

Figure CN223483957U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric actuator technology, and in particular to a self-lubricating structure for an electric actuator. Background Technology
[0002] An electric actuator is a device that uses electricity to drive mechanical motion. It is commonly used in automated control systems. It can convert electrical signals into mechanical motion, thereby controlling equipment such as valves, baffles, and switches.
[0003] The self-lubricating structure of electric actuators is designed to reduce maintenance needs and extend equipment life.
[0004] The existing self-lubricating structure of an electric actuator has the following shortcomings:
[0005] Precise control of the lubricating oil level is crucial to ensuring the continuous and stable operation of the entire lubrication system. However, with existing technology, it is difficult to visually observe the lubricating oil level during use. When the lubricating oil level drops below the critical value without being noticed, it is very likely to cause insufficient lubrication, which in turn leads to increased friction between various transmission components, seriously affecting the normal operation and service life of the electric actuator. Utility Model Content
[0006] This invention enables lubricating oil to flow into the interior of the electric actuator body through the cooperation of an electric push rod, piston, and liquid outlet pipe. Furthermore, the lubricating oil in the storage tank can be monitored in real time using a liquid level sensor and a temperature sensor, thereby solving the problems mentioned in the background art.
[0007] To achieve the above objectives, this utility model adopts the following technical solution: a self-lubricating structure for an electric actuator, including a conveying mechanism, with equipment components at the bottom of the conveying mechanism; the conveying mechanism includes a storage tank, a temperature sensor fixedly installed on the bottom of the inner wall of the storage tank, a set of liquid level sensors fixedly installed on the inner wall of the storage tank, a cylinder fixedly connected to the outer wall of the storage tank, an electric push rod fixedly installed on the inner wall of the cylinder, a piston fixedly connected to the shaft end of the electric push rod, a liquid outlet pipe fixedly connected to the bottom of the cylinder, a gear pump fixedly installed on one side of the outer wall of the storage tank, a conveying pipe fixedly connected to the output end of the gear pump, and a valve fixedly connected to one end of the conveying pipe. Through the above components, the liquid level and oil temperature in the storage tank can be monitored in real time, and with the cooperation of an audible and visual alarm, the user can replenish lubricating oil in the storage tank in a timely manner.
[0008] Preferably, the outer wall of the piston is slidably connected to the inner wall of the cylinder, and the valve is connected to the inside of the cylinder, so that the lubricating oil can be normally delivered to the cylinder.
[0009] Preferably, the outer wall of the liquid outlet pipe is provided with a first bolt, a set of transparent plates is fixedly connected to the front of the storage tank, and a sealing gasket is fixedly connected to the bottom of the liquid outlet pipe. The transparent plates allow the user to check the liquid level in the storage tank at any time, while the sealing gasket improves the sealing performance at the connection between the liquid outlet pipe and the electric actuator body.
[0010] Preferably, a control panel is fixedly installed on the front of the storage tank, a display screen is fixedly installed on the front of the control panel, and an audible and visual alarm is fixedly installed on the front of the storage tank. Through the control panel and the display screen, the current lubricating oil level can be displayed intuitively, which is convenient for operators to monitor.
[0011] Preferably, the outer wall of the storage box is threaded with a second bolt, the top of the storage box is slidably connected to an inlet pipe, the outer wall of the inlet pipe is fixedly connected to a locking block, and the outer wall of the locking block is slidably connected to the inner wall of the storage box. The locking block makes the inlet pipe detachable so that the user can clean the fiber filter.
[0012] Preferably, a cover plate is movably inserted into the inner wall of the liquid inlet pipe, and a fiber filter screen is fixedly connected to the inner wall of the liquid inlet pipe, so that the lubricating oil can be filtered through the fiber filter screen.
[0013] Preferably, the device component includes an electric actuator body, the top of which has a liquid inlet and threaded holes. The liquid inlet and threaded holes facilitate the user to install the conveying mechanism onto the electric actuator body.
[0014] Compared with the prior art, the advantages and positive effects of this utility model are as follows:
[0015] 1. In this utility model, a gear pump can extract lubricating oil from the storage mechanism and deliver it to the delivery pipeline. With the cooperation of the valve, the lubricating oil can be delivered to the cylinder. Then, with the cooperation of the electric push rod, piston and liquid outlet pipe, the lubricating oil can flow into the interior of the electric actuator body. The lubricating oil in the storage tank can be monitored in real time by the liquid level sensor and the temperature sensor. If the liquid level is lower than the liquid sensor, the user can be notified in time through the control panel and the audible and visual alarm.
[0016] 2. In this utility model, the conveying mechanism is made detachable through bolt assembly and threaded holes, so that users can maintain or repair the components on the conveying mechanism. The fiber filter screen can block impurities in the lubricating oil to further improve the quality of the lubricating oil. The locking block makes it easy for users to disassemble the liquid inlet pipe and clean the fiber filter screen to ensure the subsequent filtration effect. Attached Figure Description
[0017] Figure 1 This utility model provides a perspective view of the self-lubricating structure of an electric actuator.
[0018] Figure 2 An enlarged perspective view of the structure connecting the electric actuator body to the self-lubricating structure of the electric actuator proposed in this utility model;
[0019] Figure 3 An enlarged perspective view of the internal interconnected structure of the cylinder in the self-lubricating structure of an electric actuator is provided in this utility model.
[0020] Figure 4 An enlarged perspective view of the internal interconnected structure of the storage tank in the self-lubricating structure of an electric actuator is provided in this utility model.
[0021] Figure 5 This utility model presents an enlarged perspective view of the internal connection structure of the liquid inlet pipe in a self-lubricating structure of an electric actuator.
[0022] Legend: 1. Conveying mechanism; 101. Storage tank; 102. Audible and visual alarm; 103. Display screen; 104. Transparent plate; 105. Control panel; 106. Gear pump; 107. Conveying pipeline; 108. Valve; 109. Sealing gasket; 110. First bolt; 111. Discharge pipe; 112. Cylinder; 113. Piston; 114. Electric push rod; 115. Second bolt; 116. Temperature sensor; 117. Liquid level sensor; 118. Clamping block; 119. Inlet pipe; 120. Fiber filter screen; 121. Cover plate; 2. Equipment components; 201. Electric actuator body; 202. Inlet; 203. Threaded hole. Detailed Implementation
[0023] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0025] Please see Figures 1-5 This utility model provides a technical solution: a self-lubricating structure for an electric actuator, including a conveying mechanism 1, with a device component 2 at the bottom of the conveying mechanism 1; the conveying mechanism 1 includes a storage tank 101, a temperature sensor 116 fixedly installed on the bottom of the inner wall of the storage tank 101, a set of liquid level sensors 117 fixedly installed on the inner wall of the storage tank 101, a cylinder 112 fixedly connected to the outer wall of the storage tank 101, an electric push rod 114 fixedly installed on the inner wall of the cylinder 112, a piston 113 fixedly connected to the shaft end of the electric push rod 114, a liquid outlet pipe 111 fixedly connected to the bottom of the cylinder 112, a gear pump 106 fixedly installed on one side of the outer wall of the storage tank 101, a conveying pipe 107 fixedly connected to the output end of the gear pump 106, and a valve 108 fixedly connected to one end of the conveying pipe 107. Through the above components, the liquid level and oil temperature in the storage tank 101 can be monitored in real time, and with the cooperation of an audible and visual alarm 102, the user can replenish the lubricating oil in the storage tank in a timely manner.
[0026] like Figure 1 and Figure 3 As shown, the outer wall of piston 113 is slidably connected to the inner wall of cylinder 112, and valve 108 is connected to the inside of cylinder 112, so that lubricating oil can be normally delivered to cylinder 112.
[0027] like Figure 3 As shown, the outer wall of the liquid outlet pipe 111 is provided with a first bolt 110. A set of transparent plates 104 are fixedly connected to the front of the storage tank 101. A sealing gasket 109 is fixedly connected to the bottom of the liquid outlet pipe 111. The transparent plates 104 allow the user to check the liquid level in the storage tank 101 at any time. The sealing gasket 109 improves the sealing performance at the connection between the liquid outlet pipe 111 and the electric actuator body 201.
[0028] like Figure 1 and Figure 3 As shown, a control panel 105 is fixedly installed on the front of the storage tank 101, a display screen 103 is fixedly installed on the front of the control panel 105, and an audible and visual alarm 102 is fixedly installed on the front of the storage tank 101. Through the control panel 105 and the display screen 103, the current lubricating oil level can be displayed intuitively, which is convenient for operators to monitor.
[0029] like Figure 4As shown, the outer wall of the storage box 101 is threaded with a second bolt 115. The top of the storage box 101 is slidably connected to an inlet pipe 119. The outer wall of the inlet pipe 119 is fixedly connected to a locking block 118. The outer wall of the locking block 118 is slidably connected to the inner wall of the storage box 101. The locking block 118 makes the inlet pipe 119 detachable so that the user can clean the fiber filter screen 120.
[0030] like Figure 5 As shown, a cover plate 121 is movably inserted into the inner wall of the liquid inlet pipe 119, and a fiber filter screen 120 is fixedly connected to the inner wall of the liquid inlet pipe 119. The lubricating oil can be filtered through the fiber filter screen 120.
[0031] like Figure 1 and Figure 2 As shown, the equipment component 2 includes an electric actuator body 201. The top of the electric actuator body 201 is provided with a liquid inlet 202 and threaded holes 203. The liquid inlet 202 and threaded holes 203 facilitate the user to install the conveying mechanism 1 onto the electric actuator body 201.
[0032] The usage and working principle of this device are as follows: First, align the outlet pipe 111 of the conveying mechanism 1 with the inlet 202. Then, through the cooperation of multiple first bolts 110 and second bolts 115, the user can easily fix the conveying mechanism 1 onto the electric actuator body 201. In actual use, lift the cover plate 121 and pour a certain amount of lubricating oil into the inlet pipe 119, exceeding the liquid level sensor 117. While pouring, the lubricating oil flows into the storage tank 101 after being filtered through the fiber filter screen 120. After adding the lubricating oil, reset the cover plate 121 and start the gear through the control panel 105. Pump 106 draws lubricating oil from storage tank 101 into delivery pipe 107. Through the cooperation of delivery pipe 107 and valve 108, lubricating oil is delivered to cylinder 112. Then, electric push rod 114 pushes piston 113 to squeeze out lubricating oil, which flows into electric actuator body 201 through outlet pipe 111. The level sensor 117 and temperature sensor 116 can monitor the level and temperature of lubricating oil in real time and transmit the data to control panel 105. If the level is lower than the set threshold, audible and visual alarm 102 will sound an alarm to remind the operator to replenish lubricating oil in time.
[0033] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.
Claims
1. A self-lubricating structure for an electric actuator, characterized in that, Includes a conveying mechanism (1), and a device component (2) is provided at the bottom of the conveying mechanism (1); The conveying mechanism (1) includes a storage tank (101), a temperature sensor (116) is fixedly installed on the bottom of the inner wall of the storage tank (101), a set of liquid level sensors (117) is fixedly installed on the inner wall of the storage tank (101), a cylinder (112) is fixedly connected to the outer wall of the storage tank (101), an electric push rod (114) is fixedly installed on the inner wall of the cylinder (112), a piston (113) is fixedly connected to the shaft end of the electric push rod (114), an outlet pipe (111) is fixedly connected to the bottom of the cylinder (112), a gear pump (106) is fixedly installed on one side of the outer wall of the storage tank (101), a conveying pipe (107) is fixedly connected to the output end of the gear pump (106), and a valve (108) is fixedly connected to one end of the conveying pipe (107).
2. The self-lubricating structure of an electric actuator according to claim 1, characterized in that: The outer wall of the piston (113) is slidably connected to the inner wall of the cylinder (112), and the valve (108) is connected to the interior of the cylinder (112).
3. The self-lubricating structure of an electric actuator according to claim 1, characterized in that: The outer wall of the liquid outlet pipe (111) is provided with a first bolt (110), a set of transparent plates (104) are fixedly connected to the front of the storage box (101), and a sealing gasket (109) is fixedly connected to the bottom of the liquid outlet pipe (111).
4. The self-lubricating structure of an electric actuator according to claim 1, characterized in that: A control panel (105) is fixedly installed on the front of the storage box (101), a display screen (103) is fixedly installed on the front of the control panel (105), and an audible and visual alarm (102) is fixedly installed on the front of the storage box (101).
5. The self-lubricating structure of an electric actuator according to claim 1, characterized in that: The outer wall of the storage box (101) is threaded with a second bolt (115). The top of the storage box (101) is slidably connected to an inlet pipe (119). The outer wall of the inlet pipe (119) is fixedly connected to a locking block (118). The outer wall of the locking block (118) is slidably connected to the inner wall of the storage box (101).
6. The self-lubricating structure of an electric actuator according to claim 5, characterized in that: A cover plate (121) is movably inserted into the inner wall of the liquid inlet pipe (119), and a fiber filter screen (120) is fixedly connected to the inner wall of the liquid inlet pipe (119).
7. The self-lubricating structure of an electric actuator according to claim 1, characterized in that: The device component (2) includes an electric actuator body (201), the top of which is provided with a liquid inlet (202), and the top of the electric actuator body (201) is provided with threaded holes (203).