CN223120619U - Novel electric cylinder sealing structure - Google Patents
Novel electric cylinder sealing structureInfo
- Publication number
- CN223120619U CN223120619U CN202421788230.4U CN202421788230U CN223120619U CN 223120619 U CN223120619 U CN 223120619U CN 202421788230 U CN202421788230 U CN 202421788230U CN 223120619 U CN223120619 U CN 223120619U
- Authority
- CN
- China
- Prior art keywords
- piston rod
- ring
- oil filling
- shaped dust
- filling hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Sealing Devices (AREA)
- Actuator (AREA)
Abstract
本实用新型提供一种新型电动缸密封结构，包括缸盖和活塞杆，所述缸盖与所述活塞杆配合；所述缸盖上设置有X形防尘圈、注油孔和导向环，所述X形防尘圈、所述注油孔和所述导向环设置在靠近所述活塞杆的一侧，所述注油孔靠近所述X形防尘圈设置，所述导向环靠近所述注油孔设置；通过对缸盖与活塞杆间的密封结构进行特殊设计，可以有效保持密封件润滑，降低滑动摩擦力，提高密封件耐磨性，提升电动缸密封系统的工作寿命。
The utility model provides a novel electric cylinder sealing structure, comprising a cylinder cover and a piston rod, wherein the cylinder cover cooperates with the piston rod; an X-shaped dust ring, an oil filling hole and a guide ring are arranged on the cylinder cover, the X-shaped dust ring, the oil filling hole and the guide ring are arranged on a side close to the piston rod, the oil filling hole is arranged close to the X-shaped dust ring, and the guide ring is arranged close to the oil filling hole; by specially designing the sealing structure between the cylinder cover and the piston rod, the lubrication of the seal can be effectively maintained, the sliding friction can be reduced, the wear resistance of the seal can be improved, and the service life of the electric cylinder sealing system can be prolonged.
Description
Technical Field
The utility model relates to the field of sealing structures, in particular to a novel electric cylinder sealing structure.
Background
The electric cylinder is a device for converting electric energy into mechanical energy, has extremely high positioning precision and controllability, and has wide application fields. The electric cylinder is particularly suitable for scenes requiring frequent reciprocating movements, such as industrial robots, automatic production lines, logistics conveying equipment and the like. Compared with the traditional hydraulic cylinder, the electric cylinder uses a precise ball or roller screw to replace a hydraulic system and is driven by an external motor and a gearbox. The hydraulic oil pump is portable in size, is directly connected with a motor for driving the actuator, does not need a heavy pump, an energy accumulator, an oil tank and a pipeline, does not need hydraulic oil, has the advantages of being safer and more environment-friendly, and can eliminate fire, pollution or personal injury risks related to leakage and overflow.
In the actual use process, the phenomena of abrasion of a sealing surface, friction scratch of a piston rod and the like occur when some electric cylinders work soon, and the piston rod is strained and pollutants enter the electric cylinders along with the extension of the service time, so that the shutdown maintenance is caused by the faults. The reason is that the sealing element lacks lubrication, the sliding friction force is large, and the dust ring and the guide ring are worn out too fast to cause failure.
Disclosure of utility model
The utility model aims to solve the problems and provide a novel electric cylinder sealing structure, which can effectively keep the lubrication of a sealing element, reduce sliding friction force, improve the wear resistance of the sealing element and prolong the service life of an electric cylinder sealing system by specially designing the sealing structure between a cylinder cover and a piston rod.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The novel electric cylinder sealing structure comprises a cylinder cover and a piston rod, wherein the cylinder cover is matched with the piston rod, an X-shaped dust ring, an oil filling hole and a guide ring are arranged on the cylinder cover, the X-shaped dust ring, the oil filling hole and the guide ring are arranged on one side close to the piston rod, the oil filling hole is arranged close to the X-shaped dust ring, and the guide ring is arranged close to the oil filling hole.
Further, the guide ring is disposed away from the X-shaped dust ring.
Further, the X-shaped dust ring is of a thin lip structure.
Further, the X-shaped dust ring is made of polyurethane.
Further, the guide ring is square annular.
Further, the guide ring is made of glass fiber modified reinforced nylon.
Further, the oil filling hole adopts a step hole.
The novel electric cylinder sealing structure has the positive effects that:
The X-shaped dust ring in the novel electric cylinder sealing structure adopts a specially designed cross-section structure, the outer lip can prevent pollutants from entering, the inner lip seals lubricating grease and prevents leakage, the thin lip has low friction, and has long service life under the condition of poor lubrication, the oil filling hole is arranged between the X-shaped dust ring and the guide ring, so that lubricating grease can be conveniently filled, the sliding friction force of a sealing element is reduced, the sealing life is prolonged, the guide ring is made of glass fiber modified reinforced nylon material, the dynamic compression strength is high, the temperature resistance and the wear resistance are good, and the guide support property is strong.
Drawings
Fig. 1 is a schematic diagram provided by an embodiment of the present utility model.
The reference numerals in the figures are respectively:
1. a cylinder cover; 2, X-shaped dustproof rings, 3, oil filling holes, 4, guide rings, 5 and piston rods.
Detailed Description
Specific embodiments of a novel electric cylinder sealing structure according to the present utility model are described below with reference to the drawings, but it should be noted that the specific embodiments are not intended to limit the specific implementation of the present utility model. All similar structures and similar variations using the present utility model should be included in the scope of the present utility model. The following description of the embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the utility model may be practiced. The directional terms mentioned in the embodiments, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer only to the directions of the attached drawings. Accordingly, directional terminology is used to describe and understand the utility model and is not limiting of the utility model.
See fig. 1. The novel electric cylinder sealing structure comprises a cylinder cover 1 and a piston rod 5, wherein the cylinder cover 1 is matched with the piston rod 5, an X-shaped dust ring 2, an oil filling hole 3 and a guide ring 4 are arranged on the cylinder cover 1, the X-shaped dust ring 2, the oil filling hole 3 and the guide ring 4 are arranged on one side close to the piston rod 5, the oil filling hole 3 is close to the X-shaped dust ring 2, and the guide ring 4 is close to the oil filling hole 3. The guide ring 4 is arranged away from the X-shaped dust ring 2.
The X-shaped dust ring 2 is of a thin lip structure, the X-shaped dust ring 2 is made of wear-resistant durable high-elasticity polyurethane material, and has low friction and long service life due to the thin lip design. The cylinder cover 1 is provided with a dust ring groove which is used for placing the X-shaped dust ring 2, and the dust ring groove is matched with the X-shaped dust ring 2 in size.
The cylinder cover 1 is provided with a guide ring groove, the guide ring groove is used for placing the guide ring 4, and the guide ring groove is matched with the guide ring 4 in size. The guide ring 4 is square annular, the guide ring 4 is made of glass fiber modified reinforced nylon material, the dynamic compression strength is high, the temperature resistance and the wear resistance are good, and the guide support performance for the piston rod 5 is strong.
In one embodiment, the oil filling hole 3 adopts a columnar stepped hole, one side close to the piston rod 5 is a columnar light surface hole, and one side far away from the piston rod 5 is a columnar threaded hole, so that the oil filling hole 3 can be screwed into a thread to seal the oil filling hole. In another embodiment, the side of the oil filling hole 3, which is close to the piston rod 5, is a cylindrical light surface hole, the side of the oil filling hole, which is far away from the piston rod 5, is a conical light surface hole, the oil filling hole 3 is closed by an interference fit sealing pin, the tail end of the sealing pin is provided with threads, and the sealing pin can be pulled out by a pin remover.
When the novel electric cylinder sealing structure is assembled, the X-shaped dust ring 2 is arranged in the dust ring groove, the guide ring 4 is arranged in the guide ring groove, and then the cylinder cover 1 is arranged on the piston rod 5. The guide ring 4 is arranged between the cylinder cover 1 and the piston rod 5, prevents the direct contact and friction between the cylinder cover 1 and the piston rod 5, and supports and guides the electric cylinder when the piston rod 5 reciprocates. Grease is added into the oil filling hole 3 regularly to lubricate the X-shaped dust ring 2 and the guide ring 4, so that sliding friction force and abrasion loss can be reduced, and the service life of a sealing system is effectively prolonged. The injected lubricating grease is sealed by the right lip of the X-shaped dust ring 2, and external pollutants are blocked by the left lip of the X-shaped dust ring 2 and cannot enter the electric cylinder.
Claims (1)
1. The novel electric cylinder sealing structure is characterized by comprising a cylinder cover and a piston rod, wherein the cylinder cover is matched with the piston rod, an X-shaped dust ring, an oil filling hole and a guide ring are arranged on the cylinder cover, the X-shaped dust ring, the oil filling hole and the guide ring are arranged on one side close to the piston rod, the oil filling hole is arranged close to the X-shaped dust ring, the guide ring is arranged close to the oil filling hole, the guide ring is far away from the X-shaped dust ring, the X-shaped dust ring is of a thin lip structure, the X-shaped dust ring is made of polyurethane, the guide ring is of a square ring shape, and the guide ring is made of glass fiber modified reinforced nylon;
The cylinder cover is provided with a dust ring groove, and the dust ring groove is matched with the X-shaped dust ring in size;
The oil filling hole adopts a columnar step hole, one side close to the piston rod is a columnar light surface hole, and one side far away from the piston rod is a columnar threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788230.4U CN223120619U (en) | 2024-07-26 | 2024-07-26 | Novel electric cylinder sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421788230.4U CN223120619U (en) | 2024-07-26 | 2024-07-26 | Novel electric cylinder sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223120619U true CN223120619U (en) | 2025-07-18 |
Family
ID=96379596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421788230.4U Active CN223120619U (en) | 2024-07-26 | 2024-07-26 | Novel electric cylinder sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223120619U (en) |
-
2024
- 2024-07-26 CN CN202421788230.4U patent/CN223120619U/en active Active
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| GR01 | Patent grant | ||
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