Liftable stepless control push rod

Abstract

The utility model discloses a liftable stepless control push rod, which belongs to the technical field of electric push rods, and is characterized by comprising a bottom shell, the right side of the top of the bottom shell is bolted with a machine shell, a motor is arranged in the machine shell, the top of the machine shell is bolted with a controller, and the controller is arranged in the machine shell. By arranging a bottom shell, a machine shell, a motor, a controller, a shaft rod, a main gear, a double-layer gear, a driving gear, a shell, a lead screw, a non-rotating push rod and a lubricating assembly, when the lifting stepless control push rod is normally used, the controller controls and starts the motor in the machine shell to drive the shaft rod to drive the main gear in the bottom shell to rotate; then the main gear drives the double-layer gear to rotate, then the double-layer gear which rotates synchronously drives the driving gear to rotate, and then the driving gear drives the screw rod located in the shell to rotate in a threaded mode so that the non-rotating push rod can conduct up-down fixed lifting adjustment in the shell of the non-rotating push rod.

Description

Technical Field

[0001] The utility model relates to the technical field of electric push rods, in particular to a liftable stepless control push rod. Background Art

[0002] The field of electric linear actuator technology covers various devices that achieve linear motion through electric drive. The stepless lift control actuator uses electricity as a power source and achieves stepless adjustment of the lifting action through related control technologies. For example, in the fields of industrial automation, robotics and mechanical control, precise and flexible actuators are required to achieve operations such as position adjustment, object grasping, and component movement.

[0003] During long-term use, the gears inside the existing liftable stepless control push rod cannot be easily lubricated due to the inability to easily inject lubricating oil, and thus cannot be lubricated for a long time, which will cause wear and jamming, thereby reducing the service life and working efficiency of the liftable stepless control push rod, and bringing adverse effects to people's use process. Utility Model Content

[0004] The utility model provides a liftable stepless control push rod, which aims to solve the problem that during the long-term use of the existing liftable stepless control push rod, the gears inside the liftable stepless control push rod cannot be easily injected with lubricating oil, and thus cannot be lubricated for a long time, resulting in wear and jamming, which will reduce the service life and working efficiency of the liftable stepless control push rod and bring adverse effects to people's use process.

[0005] The transmission gear of the present invention is a gear selected from the group consisting of ...

[0006] The lubrication assembly includes an oil storage chamber box, a refueling pipe, a first felt pad and a second felt pad. The oil storage chamber box is fixedly connected to the left side of the bottom shell. The right side of the refueling pipe passes through the left side of the bottom shell and is connected to the left side of the oil storage chamber box. The first felt pad is embedded in the middle of the right side of the oil storage chamber box, and the right side of the first felt pad contacts the outer side of the driving gear. The second felt pad is embedded in the bottom of the right side of the oil storage chamber box, and the right side of the second felt pad contacts the outer side of the double-layer gear.

[0007] In order to facilitate the installation and fixation of the bottom shell, as a preferred embodiment of the present invention, a lifting and lowering stepless control push rod is preferably provided with a mounting block fixedly connected to the left side of the top of the bottom shell, and a mounting hole is provided on the front side of the mounting block.

[0008] In order to achieve the effect of reinforcing and supporting the shaft, as a preferred liftable stepless control push rod of the utility model, the bottoms of both sides of the interior of the casing are bolted with reinforcement blocks, which are made of rubber material and are located on the outside of the shaft.

[0009] In order to achieve the effect of allowing the lubricating oil added to the oil storage chamber box to flow better to its second felt pad for use, a liftable stepless control push rod is preferred as the utility model, and the bottom side of the oil storage chamber box is fixedly connected with a bevel block, and the bevel block is located on the left side of the second felt pad.

[0010] In order to achieve the effect of sealing and protecting the fuel pipe when not refueling, a liftable stepless control push rod is preferably used in the present invention. A sealing cover is clamped inside the fuel pipe, and the sealing cover is made of rubber material.

[0011] In order to further facilitate the user to pull the closing cover to use, as a preferred liftable stepless control push rod of the utility model, the closing cover is provided with anti-skid lines on its surface, and the anti-skid lines are in the shape of lines.

[0012] In order to achieve the effect of supporting and reinforcing the double-layer gears and the driving gear respectively, as a preferred embodiment of the present invention, a liftable stepless control push rod is provided at the bottom of the double-layer gears and the driving gear, and the support rod is bolted to the bottom side of the bottom shell.

[0013] In order to achieve the effect of supporting the second felt pad, a liftable stepless control push rod is preferably used in the present invention. A pillar is bolted to the left side of the bottom side of the bottom shell, and a support plate is fixedly connected to the top of the pillar. The support plate is located at the bottom of the second felt pad.

[0014] In order to further assist the shaft in rotating and improving its stability, a liftable stepless control push rod is preferably provided in the present invention, wherein the inner side of the reinforcement block is rotatably connected to a rotating ball, and the inner side of the rotating ball contacts the outer side of the shaft.

[0015] In order to achieve the effect of further assisting the positioning of the non-rotating push rod, as a preferred liftable stepless control push rod of the utility model, the tops of both sides of the shell are bolted with positioning blocks, and the positioning blocks are located on the outside of the non-rotating push rod.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] The liftable stepless control push rod is provided with a bottom shell, a machine shell, a motor, a controller, a shaft, a main gear, a double-layer gear, a driving gear, a housing, a screw, a non-rotating push rod and a lubrication component. When the liftable stepless control push rod is in normal use, the controller controls the motor driving the shaft inside the machine shell to drive the main gear inside the bottom shell to rotate, and then the main gear drives the double-layer gear to rotate, and then the synchronously rotating double-layer gear drives the driving gear to rotate, and then the driving gear drives the screw thread inside the housing to rotate the non-rotating push rod inside its housing. The upper and lower fixed lifting adjustments are performed. During this process, the lubricating oil added into the oil storage chamber box through the refueling pipe is absorbed and stored by the first felt pad and the second felt pad. The lubricating oil is then released after contacting the driving gear and the double-layer gear to lubricate the driving gear and the double-layer gear. The double-layer gear is rotated to lubricate the main gear. The lubricating oil is injected in a convenient way, thereby avoiding the main gear, double-layer gear and driving gear from being worn and stuck due to lack of lubrication for a long time, thereby improving the service life and working efficiency of the stepless lifting control push rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is the overall structure diagram of the liftable stepless control push rod of the utility model;

[0019] Figure 2 This is a schematic diagram of the planar structure of the bottom shell of the utility model;

[0020] Figure 3 This is a schematic diagram of the planar structure of the motor in the present utility model;

[0021] Figure 4 This is a schematic diagram of the planar structure of the lubrication component in the present utility model;

[0022] Figure 5 It is a schematic diagram of the planar structure of the support rod in the utility model.

[0023] In the figure, 1. bottom shell; 2. machine casing; 3. motor; 4. controller; 5. shaft; 6. main gear; 7. double-layer gear; 8. driving gear; 9. housing; 10. screw; 11. non-rotating push rod; 12. lubrication assembly; 1201. oil storage chamber box; 1202. refueling pipe; 1203. first felt pad; 1204. second felt pad; 13. mounting block; 14. reinforcement block; 15. bevel block; 16. blocking cover; 17. support rod; 18. pillar; 19. support plate. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0026] See also Figure 1-5 The utility model provides a technical solution: a stepless control push rod that can be lifted and lowered, including a bottom shell 1, a shell 2 is bolted to the right side of the top of the bottom shell 1, a motor 3 is arranged inside the shell 2, a controller 4 is bolted to the top of the shell 2, the controller 4 is electrically connected to the motor 3, the output end of the motor 3 is bolted to a shaft 5, the bottom of the shaft 5 passes through the top of the bottom shell 1, the bottom of the shaft 5 is bolted to the main gear 6, the top side of the bottom shell 1 is rotatably connected to a double-layer gear 7, the bottom of the outer side of the double-layer gear 7 is meshed with the main gear 6, and the top side of the bottom shell 1 is connected to the main gear 6. The left side is rotatably connected to the driving gear 8, which meshes with the top of the outer side of the double-layer gear 7. The left side of the top of the bottom shell 1 is bolted with a shell 9. A screw rod 10 is provided inside the shell 9. The top of the screw rod 10 is fixedly connected to the top of the driving gear 8. The outer side of the screw rod 10 is threadedly connected to a non-rotating push rod 11. The top of the non-rotating push rod 11 is slidably connected to the top side of the inside of the shell 9. A lubrication component 12 is provided on the left side of the bottom shell 1. The right side of the lubrication component 12 is in contact with the left side of the driving gear 8 and the double-layer gear 7 respectively;

[0027] The lubrication assembly 12 includes an oil storage chamber box 1201, a filling pipe 1202, a first felt pad 1203 and a second felt pad 1204. The oil storage chamber box 1201 is fixedly connected to the left side of the bottom shell 1. The right side of the filling pipe 1202 passes through the left side of the bottom shell 1 and is connected to the left side of the oil storage chamber box 1201. The first felt pad 1203 is embedded in the middle of the right side of the oil storage chamber box 1201. The right side of the first felt pad 1203 contacts the outer side of the driving gear 8. The second felt pad 1204 is embedded in the bottom of the right side of the oil storage chamber box 1201. The right side of the second felt pad 1204 contacts the outer side of the double-layer gear 7.

[0028] In this embodiment, by setting the bottom shell 1, the casing 2, the motor 3, the controller 4, the shaft 5, the main gear 6, the double-layer gear 7, the driving gear 8, the casing 9, the screw 10, the non-rotating push rod 11 and the lubrication assembly 12, the stepless control push rod can be raised and lowered when it is in normal use. The controller 4 controls the motor 3 inside the casing 2 to drive the shaft 5 to drive the main gear 6 inside the bottom shell 1 to rotate, and then the main gear 6 drives the double-layer gear 7 to rotate, and then the synchronously rotating double-layer gear 7 drives the driving gear 8 to rotate, and then the driving gear 8 drives the screw 10 inside the casing 9 to thread the non-rotating push rod 11 inside its casing 9. The part is fixedly raised and lowered for adjustment. During this process, the lubricating oil added to the oil storage chamber box 1201 through the refueling pipe 1202 is absorbed and stored by the first felt pad 1203 and the second felt pad 1204, and then the lubricating oil is released after contacting the driving gear 8 and the double-layer gear 7 to lubricate the driving gear 8 and the double-layer gear 7. The double-layer gear 7 lubricates the main gear 6 after rotation, thereby injecting lubricating oil in a convenient way, thereby avoiding the main gear 6, the double-layer gear 7 and the driving gear 8 from being worn and stuck due to lack of lubrication for a long time, thereby improving the service life and work efficiency of the stepless control push rod that can be raised and lowered.

[0029] As a technical optimization solution of the present invention, a mounting block 13 is fixedly connected to the left side of the top of the bottom shell 1 , and a mounting hole is opened on the front side of the mounting block 13 .

[0030] In this embodiment, the installation block 13 is provided to facilitate the installation and fixation of the bottom shell 1 for use, thereby facilitating use.

[0031] As a technical optimization solution of the present invention, reinforcement blocks 14 are bolted to the bottoms of both sides of the interior of the housing 2 . The reinforcement blocks 14 are made of rubber material and are located on the outside of the shaft 5 .

[0032] In this embodiment, by providing the reinforcement block 14 , the shaft rod 5 can be reinforced and supported for easier use.

[0033] As a technical optimization solution of the present invention, a bevel block 15 is fixedly connected to the bottom side of the oil storage chamber box 1201 , and the bevel block 15 is located on the left side of the second felt pad 1204 .

[0034] In this embodiment: by providing the bevel block 15, the lubricating oil added to the oil storage chamber box 1201 can flow better to the second felt pad 1204 for use, so as to facilitate use.

[0035] As a technical optimization solution of the present invention, a sealing cap 16 is clamped inside the refueling pipe 1202, and the sealing cap 16 is made of rubber material.

[0036] In this embodiment, by providing the blocking cover 16, the refueling pipe 1202 can be blocked and protected when not refueling, thereby facilitating use.

[0037] As a technical optimization solution of the present invention, the surface of the blocking cover 16 is provided with anti-skid lines, and the anti-skid lines are in the shape of lines.

[0038] In this embodiment, by providing anti-skid lines on the surface of the blocking cover 16 , it is possible to further facilitate the user to pull the blocking cover 16 for use.

[0039] As a technical optimization solution of the present invention, a support rod 17 is provided at the bottom of the double-layer gear 7 and the driving gear 8 , and the support rod 17 is bolted to the bottom side of the bottom shell 1 .

[0040] In this embodiment, by providing the support rod 17, the double-layer gear 7 and the driving gear 8 can be supported and reinforced respectively, so as to facilitate use.

[0041] As a technical optimization solution of the present invention, a pillar 18 is bolted to the left side of the bottom side of the bottom shell 1 , and a support plate 19 is fixedly connected to the top of the pillar 18 . The support plate 19 is located at the bottom of the second felt pad 1204 .

[0042] In this embodiment, by providing the pillars 18 and the support plates 19, the second felt pad 1204 can be supported, which is convenient for use.

[0043] As a technical optimization solution of the present invention, the inner side of the reinforcement block 14 is rotatably connected to a rotating ball, and the inner side of the rotating ball is in contact with the outer side of the shaft 5.

[0044] In this embodiment, a rotating ball is provided inside the reinforcing block 14 to assist the shaft 5 in achieving stability during rotation, thereby facilitating use.

[0045] As a technical optimization solution of the present invention, positioning blocks are bolted to the tops of both sides of the interior of the housing 9 , and the positioning blocks are located on the outside of the non-rotating push rod 11 .

[0046] In this embodiment, positioning blocks are provided on both sides of the housing 9 to assist in positioning the non-rotating push rod 11 , thereby facilitating use.

[0047] Working principle: First, the controller 4 controls the motor 3 inside the starting casing 2 to drive the shaft 5 to drive the main gear 6 inside the bottom casing 1 to rotate, and then the main gear 6 drives the double-layer gear 7 to rotate, and then the synchronously rotating double-layer gear 7 drives the driving gear 8 to rotate, and then the driving gear 8 drives the screw rod 10 located inside the shell 9 to thread the non-rotating push rod 11 to perform fixed up and down lifting adjustment inside its shell 9. In this process, the lubricating oil added to the oil storage chamber box 1201 through the refueling pipe 1202 is absorbed and stored by the first felt pad 1203 and the second felt pad 1204, and then releases the lubricating oil after contacting with the driving gear 8 and the double-layer gear 7 to lubricate the driving gear 8 and the double-layer gear 7, and the double-layer gear 7 lubricates the main gear 6 after rotation, so as to inject lubricating oil in a convenient way, thereby avoiding the main gear 6, double-layer gear 7 and driving gear 8 from being worn and stuck for a long time without lubrication, thereby improving the service life and work efficiency of the liftable stepless control push rod.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A stepless control push rod capable of lifting and lowering, comprising a bottom shell (1), characterized in that: The right side of the top of the bottom shell (1) is bolted to a housing (2), a motor (3) is arranged inside the housing (2), a controller (4) is bolted to the top of the housing (2), the controller (4) is electrically connected to the motor (3), an output end of the motor (3) is bolted to a shaft (5), the bottom of the shaft (5) passes through the top of the bottom shell (1), a main gear (6) is bolted to the bottom of the shaft (5), a double-layer gear (7) is rotatably connected to the top side of the bottom shell (1), the bottom of the outer side of the double-layer gear (7) is meshed with the main gear (6), and a driving gear (6) is rotatably connected to the left side of the top side of the bottom shell (1). 8), the driving gear (8) is meshed with the top of the outer side of the double-layer gear (7), the left side of the top of the bottom shell (1) is bolted with a shell (9), a screw rod (10) is arranged inside the shell (9), the top of the screw rod (10) is fixedly connected to the top of the driving gear (8), the outer side of the screw rod (10) is threadedly connected with a non-rotating push rod (11), the top of the non-rotating push rod (11) is slidably connected to the top side of the shell (9), a lubrication component (12) is arranged on the left side of the bottom shell (1), and the right side of the lubrication component (12) is in contact with the left sides of the driving gear (8) and the double-layer gear (7) respectively; The lubrication assembly (12) comprises an oil storage chamber box (1201), a filling pipe (1202), a first felt pad (1203) and a second felt pad (1204); the oil storage chamber box (1201) is fixedly connected to the left side of the bottom shell (1); the right side of the filling pipe (1202) passes through the left side of the bottom shell (1) and is connected to the left side of the oil storage chamber box (1201); the first felt pad (1203) is embedded in the middle of the right side of the oil storage chamber box (1201); the right side of the first felt pad (1203) contacts the outer side of the driving gear (8); the second felt pad (1204) is embedded in the bottom of the right side of the oil storage chamber box (1201); the right side of the second felt pad (1204) contacts the outer side of the double-layer gear (7).

2. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: A mounting block (13) is fixedly connected to the left side of the top of the bottom shell (1), and a mounting hole is provided on the front side of the mounting block (13).

3. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: The bottoms of both sides of the housing (2) are bolted with reinforcement blocks (14), the reinforcement blocks (14) are made of rubber material, and the reinforcement blocks (14) are located outside the shaft (5).

4. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: A bevel block (15) is fixedly connected to the bottom side of the oil storage chamber box (1201), and the bevel block (15) is located on the left side of the second felt pad (1204).

5. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: A sealing cap (16) is clamped inside the refueling pipe (1202), and the sealing cap (16) is made of rubber material.

6. The stepless control push rod capable of lifting and lowering according to claim 5, characterized in that: The surface of the blocking cover (16) is provided with anti-skid patterns, and the anti-skid patterns are in the shape of lines.

7. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: A support rod (17) is provided at the bottom of the double-layer gear (7) and the driving gear (8), and the support rod (17) is bolted to the bottom side of the bottom shell (1).

8. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: A support (18) is bolted to the left side of the bottom side of the bottom shell (1), and a support plate (19) is fixedly connected to the top of the support (18), and the support plate (19) is located at the bottom of the second felt pad (1204).

9. The stepless control push rod capable of lifting and lowering according to claim 3, characterized in that: The inner side of the reinforcement block (14) is rotatably connected with a rotating bead, and the inner side of the rotating bead is in contact with the outer side of the shaft rod (5).

10. The stepless control push rod capable of lifting and lowering according to claim 1, characterized in that: Positioning blocks are bolted to the tops of both sides of the shell (9), and the positioning blocks are located outside the non-rotating push rod (11).

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