WO2022037270A1 - Waterproof structure for electric push rod - Google Patents

Waterproof structure for electric push rod Download PDF

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Publication number
WO2022037270A1
WO2022037270A1 PCT/CN2021/103397 CN2021103397W WO2022037270A1 WO 2022037270 A1 WO2022037270 A1 WO 2022037270A1 CN 2021103397 W CN2021103397 W CN 2021103397W WO 2022037270 A1 WO2022037270 A1 WO 2022037270A1
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WO
WIPO (PCT)
Prior art keywords
oil seal
groove
push rod
electric push
inner tube
Prior art date
Application number
PCT/CN2021/103397
Other languages
French (fr)
Chinese (zh)
Inventor
杨勇
李强
卢鹏
王娟
Original Assignee
宁波帕瓦莱斯智能科技有限公司
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Application filed by 宁波帕瓦莱斯智能科技有限公司 filed Critical 宁波帕瓦莱斯智能科技有限公司
Publication of WO2022037270A1 publication Critical patent/WO2022037270A1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the patent of the present invention relates to the technical field of solar electric push rods, in particular, to the waterproof structure of electric push rods.
  • Solar photovoltaic panels are a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy; photovoltaic support systems need to consider geographical conditions and latitude and other factors to calculate the installation angle, different regions and latitudes, The inclination angle of the photovoltaic panel is also different.
  • the inclination angle of the photovoltaic panel can be adjusted through the expansion and contraction of the photovoltaic electric push rod to meet the installation needs of different regions and latitudes.
  • the photovoltaic electric push rod needs to be provided with a waterproof structure to realize the waterproof of the photovoltaic electric push rod;
  • the waterproof structure is generally a sealing ring is set between the two combined components, and this waterproof structure cannot meet the standard of waterproof requirements. , and the waterproof effect is not good.
  • the purpose of the present invention is to provide a waterproof structure for the electric push rod, and aims to solve the problem of the poor waterproof effect of the electric push rod in the prior art.
  • the waterproof structure of the electric push rod includes a first oil seal and a second oil seal
  • the end cover and the inner tube are arranged in a sleeved arrangement
  • the first oil seal and the second oil seal are respectively sleeved on the inner tube , along the axial direction of the inner tube
  • the first oil seal and the second oil seal are arranged correspondingly at intervals
  • the end cover is sleeved with the first oil seal and the second oil seal.
  • the end cover has a first groove, the first groove is recessed in a direction away from the inner tube, the inner end of the first oil seal is embedded in the first groove, the first The outer end of the oil seal extends to the outside of the first groove and abuts the outer surface of the inner tube.
  • the first oil seal has an inner end surface facing the end cover, the first groove has a first bottom groove wall, and the inner end surface of the first oil seal and the first bottom groove wall have a first gap.
  • the end cap has a second groove, and the second groove is arranged in a concave manner along a direction away from the inner tube, and along the axial direction of the end cap, the second groove is connected to the first groove.
  • the grooves are arranged at intervals, the inner end of the second oil seal is embedded in the second groove, and the outer end of the second oil seal extends to the outside of the second groove and abuts against the outer surface of the inner tube .
  • the second oil seal has an inner end surface facing the end cover, the second groove has a second bottom groove wall, and the inner end surface of the second oil seal and the second bottom groove wall have a second gap.
  • the waterproof structure of the electric push rod includes a first support ring, the first support ring is sleeved with the inner tube, and the end cover is sleeved with the first support ring; along the radial direction of the inner tube , the first support ring is located between the first oil seal and the second oil seal.
  • the end cap has a ring groove, the inner end of the first support ring is embedded in the ring groove, and the outer end of the first support ring extends to the outside of the ring groove and interferes with the ring groove The outer surface of the inner tube.
  • the first support ring has an inner end surface facing the end cover
  • the ring groove has a ring bottom wall
  • a third gap is formed between the inner end surface of the first support ring and the ring bottom wall .
  • the waterproof structure of the electric push rod includes a second support ring, the second support ring is sleeved with the inner tube, and the end cover is sleeved with the second support ring; along the radial direction of the inner tube , the first oil seal, the second oil seal and the second support ring are arranged in sequence and spaced apart.
  • the waterproof structure of the electric push rod includes at least one oil seal, the oil seal sleeves the inner pipe, the end cover sleeves the oil seal; the first oil seal, the second oil seal and the The oil seals are arranged in sequence and spaced apart.
  • the end cover and the inner tube are arranged in a sleeve, and the relative movement between the end cover and the inner tube realizes the expansion and contraction of the electric push rod, and has a good effect on the photovoltaic panel.
  • the inclination angle is adjusted; under the cooperation of the first oil seal and the second oil seal, the gap between the end cover and the inner pipe is sealed, so as to play a waterproof role.
  • the first oil seal and the second oil seal are The axial space of the tube is arranged, and the multi-level waterproof effect is achieved, which greatly improves the waterproof effect.
  • Fig. 1 is the sectional schematic diagram of the electric push rod waterproof structure provided by the present invention
  • FIG. 2 is a schematic cross-sectional view of an electric push rod waterproof structure provided by the present invention.
  • FIG. 3 is a schematic top view of the waterproof structure of the electric push rod provided by the present invention.
  • FIG. 4 is a schematic perspective view of the waterproof structure of the electric push rod provided by the present invention.
  • FIG. 5 is an exploded schematic view of the waterproof structure of the electric push rod provided by the present invention.
  • FIG. 6 is a schematic cross-sectional view of the B part of the electric push rod waterproof structure provided by the present invention.
  • FIG. 7 is a schematic cross-sectional view of part A of the electric push rod waterproof structure provided by the present invention.
  • FIG. 8 is a perspective view of the first oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 9 is a schematic cross-sectional view of the first oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 10 is a schematic cross-sectional view of the first oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 11 is a perspective view of the second oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 12 is a schematic cross-sectional view of the second oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 13 is a schematic cross-sectional view of the second oil seal of the electric push rod waterproof structure provided by the present invention.
  • FIG. 14 is a perspective view of the first support ring of the waterproof structure of the electric push rod provided by the present invention.
  • 15 is a schematic cross-sectional view of the second support ring of the waterproof structure of the electric push rod provided by the present invention.
  • the waterproof structure of the electric push rod includes a first oil seal 1 and a second oil seal 2, the end cover 4 and the inner tube 5 are arranged in a sleeve, and the first oil seal 1 and the second oil seal 2 are respectively sleeved with the inner tube 5.
  • the first oil seal 1 and the second oil seal 2 are arranged correspondingly at intervals, and the end cover 4 is sleeved with the first oil seal 1 and the second oil seal 2 .
  • the end cover 4 and the inner tube 5 are arranged in a sleeve, and the relative movement between the end cover 4 and the inner tube 5 realizes the expansion and contraction of the electric push rod, and adjusts the inclination angle of the photovoltaic panel; Under the cooperation of the first oil seal 1 and the second oil seal 2, the gap between the end cover 4 and the inner tube 5 is sealed, so as to play a waterproof role. At the same time, the first oil seal 1 and the second oil seal 2 along the The axially spaced arrangement of the inner tubes 5 has a multi-layered waterproof effect, which greatly improves the waterproof effect.
  • the end cover 4 has a first groove 41, the first groove 41 is recessed along the direction away from the inner tube 5, the inner end of the first oil seal 1 is embedded in the first groove 41, and the outer end of the first oil seal 1 extends to the first groove 41.
  • the outside of the groove 41 is against the outer surface of the inner tube 5; under the action of the first groove 41, the stability of the first oil seal 1 is enhanced, and at the same time, during use, the first groove 41 avoids the first oil seal 1 offset to enhance the waterproof effect of the first oil seal 1.
  • the first oil seal 1 has an inner end face facing the end cover 4, the first groove 41 has a first bottom groove wall, and there is a first gap between the inner end face of the first oil seal 1 and the first bottom groove wall; During the experiment, it will be subjected to radial force. Under the action of the first gap, it is convenient for the first oil seal 1 to have a deformation space after being stressed, which can better prevent water from entering. Service life of the first oil seal 1 .
  • the first oil seal 1 is made by mixing one or more of nitrile rubber, fluorine rubber, silicone rubber, acrylate rubber, polyurethane, polytetrafluoroethylene, etc.
  • the first oil seal 1 includes a first inner sealing body 11 and a first outer sealing body 12 .
  • the first outer sealing body 12 is sleeved with the first inner sealing body 11 , and the first outer sealing body 12 and the first inner sealing body 11 are butted together.
  • the first inner sealing body 11 surrounds and interferes with the inner tube 5, and the first outer sealing body 12 is embedded in the first groove 41; along the axial direction, the upper part and the lower part of the first inner sealing body 11 are inclined towards the direction of the inner tube 5 respectively. Arranged in this way, it is convenient for the first inner sealing body 11 to interfere with the inner tube 5 .
  • the upper part of the first inner sealing body 11 extends to the upper part of the first outer sealing body 12 , which increases the interference range with the inner tube 5 and enhances the waterproof effect.
  • the lower part of the first inner sealing body 11 and the first outer sealing body 12 are spaced apart, which facilitates the deformation of the first oil seal 1 after being stressed, and better prevents water from entering.
  • the end cover 4 has a second groove 42, and the second groove 42 is arranged in a recess along the direction away from the inner tube 5. Along the axial direction of the end cover 4, the second groove 42 and the first groove 41 are arranged at intervals.
  • the inner end of the second oil seal 2 is embedded in the second groove 42, and the outer end of the second oil seal 2 extends to the outside of the second groove 42 and interferes with the outer surface of the inner tube 5; under the action of the second groove 42, the first
  • the stability of the arrangement of the second oil seal 2, and at the same time, during use, the second groove 42 prevents the second oil seal 2 from shifting, and enhances the waterproof effect of the second oil seal 2.
  • first grooves 41 and the second grooves 42 are arranged at intervals along the axial direction of the end cover 4 to extend the radial range of the seal and improve the waterproof effect.
  • the first oil seal 1 is arranged in a ring shape, which is convenient for the first oil seal 1 to be sleeved with the inner tube 5, and increases the contact area between the first oil seal 1 and the inner tube 5, and enhances the sealing effect of the first oil seal 1;
  • the annular arrangement is convenient for the installation of the first oil seal 1 .
  • the second oil seal 2 has an inner end face facing the end cover 4, the second groove 42 has a second bottom groove wall, and there is a second gap between the inner end face of the second oil seal 2 and the second bottom groove wall; Under the action, it is convenient for the second oil seal 2 to have a deformation space after being stressed, so as to better prevent water ingress.
  • the second oil seal 2 includes a second inner sealing body 21 and a second outer sealing body 22 .
  • the second outer sealing body 22 is sleeved with the second inner sealing body 21 , and the second outer sealing body 22 and the second inner sealing body 21 are butted together.
  • the second inner sealing body 21 surrounds and interferes with the inner tube 5, and the second outer sealing body 22 is embedded in the second groove 42; along the axial direction, the upper and lower parts of the second inner sealing body 21 are inclined towards the direction of the inner tube 5 respectively. Arranged in this way, it is convenient for the second inner sealing body 21 to interfere with the inner tube 5 .
  • the upper part of the second inner sealing body 21 and the second outer sealing body 22 are spaced apart, so that there is room for deformation of the second oil seal 2 after being stressed, and it is better to prevent water from entering.
  • the lower part of the second inner sealing body 21 and the second outer sealing body 22 are spaced apart, so that the second oil seal 2 has a deformation space after being stressed, and better prevents water from entering.
  • the waterproof structure of the electric push rod includes a first support ring 3, the first support ring 3 is sleeved with the inner tube 5, and the end cover 4 is sleeved with the first support ring 3; along the radial direction of the inner tube 5, the first support ring 3 is in the first Between the oil seal 1 and the second oil seal 2; when the inner tube 5 is deformed by a strong lateral force, there will be a gap between the inner tube 5 and the first oil seal 1, or there will be a gap between the inner tube 5 and the second oil seal 2.
  • a gap is generated, and under the action of the first support ring 3, it plays a supporting role, so that there is no gap between the first oil seal 1 and the inner pipe 5, which greatly enhances the waterproof effect, and makes the second oil seal 2 and the inner pipe. There will be no gap between 5, which greatly enhances the waterproof effect.
  • the end cover 4 has a ring groove 43, the inner end of the first support ring 3 is embedded in the ring groove 43, and the outer end of the first support ring 3 extends to the outside of the ring groove 43 and abuts against the outer surface of the inner tube 5; Under the action of the grooves 43 , the setting stability of the first support ring 3 is enhanced. At the same time, during use, the ring grooves 43 prevent the first support ring 3 from being displaced and enhance the waterproof effect of the first support ring 3 .
  • the first support ring 3 has an inner end surface facing the end cover 4, the ring groove 43 has a ring bottom wall, and a third gap is formed between the inner end surface of the first support ring 3 and the ring bottom wall; under the action of the third gap, It is convenient for the first support ring 3 to have a deformation space after being stressed, so as to better prevent water ingress, and at the same time, the bearing capacity of the first support ring 3 is enhanced, and the service life of the first support ring 3 is improved.
  • the support distance of the three is shortened, then, the deformation amount of the inner tube 5 at such a short distance small, so that the deformation of the inner tube 5 is reduced, and at the same time, the waterproof effect is improved.
  • the first support ring 3 is made by mixing copper powder and PETF material, which not only ensures rigidity but also ensures sufficient smoothness.
  • the first support ring 3 faces the outer end face of the inner tube 5, and the outer end face of the first support ring 3 surrounds and abuts against the outer surface of the inner tube 5; Scratches on the outer surface lead to water ingress, thereby improving the waterproof effect.
  • the waterproof structure of the electric push rod includes a second support ring 6, the second support ring 6 is sleeved with the inner tube 5, and the end cover 4 is sleeved with the second support ring 6; along the radial direction of the inner tube 5, the first oil seal 1, the second oil seal 2 and the second support ring 6 are arranged at intervals in sequence; under the action of the second support ring 6, when the inner tube 5 is deformed, it is too far away from the place where the force is applied, and the first oil seal 1 and the second support ring 6 cooperate with each other.
  • the upper and lower ends of the end cover 4 are supported, and the possibility of deformation of the inner tube 5 in a short distance is extremely low, thereby reducing the deformation of the inner tube 5 and improving the service life of the electric push rod.
  • first oil seal 1 , the first support ring 3 , the second oil seal 2 and the second support ring 6 are arranged at intervals in order, and are multi-layered for support and waterproofing, which reduces the deformation of the inner tube 5 and improves the performance of the electric push rod. Moreover, the waterproof distance between the two is shortened, the waterproof effect is improved, and the deformation of the inner tube 5 is avoided.
  • the waterproof structure of the electric push rod includes at least one oil seal, the oil seal is sleeved with the inner pipe 5, and the end cover 4 is sleeved with the oil seal; the first oil seal 1, the second oil seal 2 and the oil seal are arranged in sequence and spaced apart; according to needs, set
  • the oil seal can increase the sealing range or reduce the sealing distance, thereby avoiding the deformation of the inner tube 5 and improving the waterproof effect.
  • the first oil seal 1 , the second oil seal 2 and the oil seal piece are oil seals of the same type, which is convenient for production and manufacture and reduces production costs.

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Abstract

Disclosed is a waterproof structure for an electric push rod, the waterproof structure comprising a first oil seal (1) and a second oil seal (2). An end cover (4) and an inner pipe (5) are arranged in a sleeved manner, the first oil seal (1) and the second oil seal (2) are respectively sleeved on the inner pipe (5), the first oil seal (1) and the second oil seal (2) are correspondingly arranged in a spaced apart manner in the axial direction of the inner pipe (5), and the end cover (4) is sleeved on the first oil seal (1) and the second oil seal (2). By means of relative movement between the end cover (4) and the inner pipe (5), the electric push rod extends and retracts, such that an inclination angle of a photovoltaic panel is adjusted.

Description

电动推杆防水结构Electric push rod waterproof structure 技术领域technical field
本发明专利涉及太阳能电动推杆的技术领域，具体而言，涉及电动推杆防水结构。The patent of the present invention relates to the technical field of solar electric push rods, in particular, to the waterproof structure of electric push rods.
背景技术Background technique
太阳能光伏板是利用太阳电池半导体材料的光伏效应，将太阳光辐射能直接转换为电能的一种新型发电系统；光伏支架系统需考虑地理条件及纬度等因素来计算安装角度，区域及纬度不同，光伏板的倾斜角度也就不同。Solar photovoltaic panels are a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy; photovoltaic support systems need to consider geographical conditions and latitude and other factors to calculate the installation angle, different regions and latitudes, The inclination angle of the photovoltaic panel is also different.
目前，通过光伏电动推杆的伸缩，实现光伏板的倾斜角度进行调节，满足不同区域及纬度的安装需求。At present, the inclination angle of the photovoltaic panel can be adjusted through the expansion and contraction of the photovoltaic electric push rod to meet the installation needs of different regions and latitudes.
技术问题technical problem
现有技术中，光伏电动推杆需要设置防水结构，实现光伏电动推杆的防水；防水结构一般是在两个相结合的构件之间设置密封圈，这种防水结构，无法满足防水要求的标准，且防水效果不佳。In the prior art, the photovoltaic electric push rod needs to be provided with a waterproof structure to realize the waterproof of the photovoltaic electric push rod; the waterproof structure is generally a sealing ring is set between the two combined components, and this waterproof structure cannot meet the standard of waterproof requirements. , and the waterproof effect is not good.
技术解决方案technical solutions
本发明的目的在于提供电动推杆防水结构，旨在解决现有技术中，电动推杆的防水效果不佳的问题。The purpose of the present invention is to provide a waterproof structure for the electric push rod, and aims to solve the problem of the poor waterproof effect of the electric push rod in the prior art.
本发明是这样实现的，电动推杆防水结构，包括第一油封和第二油封，端盖与内管呈套设布置，所述第一油封和所述第二油封分别套设所述内管，沿所述内管的轴向，所述第一油封和所述第二油封呈间隔对应布置，所述端盖套设所述第一油封和所述第二油封。The present invention is implemented as follows: the waterproof structure of the electric push rod includes a first oil seal and a second oil seal, the end cover and the inner tube are arranged in a sleeved arrangement, and the first oil seal and the second oil seal are respectively sleeved on the inner tube , along the axial direction of the inner tube, the first oil seal and the second oil seal are arranged correspondingly at intervals, and the end cover is sleeved with the first oil seal and the second oil seal.
进一步的，所述端盖具有第一沟槽，所述第一沟槽沿背离所述内管方向呈凹陷布置，所述第一油封的内端嵌入所述第一沟槽，所述第一油封的外端延伸至所述第一沟槽的外部且抵触所述内管的外表面。Further, the end cover has a first groove, the first groove is recessed in a direction away from the inner tube, the inner end of the first oil seal is embedded in the first groove, the first The outer end of the oil seal extends to the outside of the first groove and abuts the outer surface of the inner tube.
进一步的，所述第一油封具有朝向所述端盖的内端面，所述第一沟槽具有第一底槽壁，所述第一油封的内端面与所述第一底槽壁之间具有第一间隙。Further, the first oil seal has an inner end surface facing the end cover, the first groove has a first bottom groove wall, and the inner end surface of the first oil seal and the first bottom groove wall have a first gap.
进一步的，所述端盖具有第二沟槽，所述第二沟槽沿背离所述内管方向呈凹陷布置，沿所述端盖的轴向，所述第二沟槽与所述第一沟槽呈间隔排列布置，所述第二油封的内端嵌入所述第二沟槽，所述第二油封的外端延伸至所述第二沟槽的外部且抵触所述内管的外表面。Further, the end cap has a second groove, and the second groove is arranged in a concave manner along a direction away from the inner tube, and along the axial direction of the end cap, the second groove is connected to the first groove. The grooves are arranged at intervals, the inner end of the second oil seal is embedded in the second groove, and the outer end of the second oil seal extends to the outside of the second groove and abuts against the outer surface of the inner tube .
进一步的，所述第二油封具有朝向所述端盖的内端面，所述第二沟槽具有第二底槽壁，所述第二油封的内端面与所述第二底槽壁之间具有第二间隙。Further, the second oil seal has an inner end surface facing the end cover, the second groove has a second bottom groove wall, and the inner end surface of the second oil seal and the second bottom groove wall have a second gap.
进一步的，所述电动推杆防水结构包括第一支撑环，所述第一支撑环套设所述内管，所述端盖套设所述第一支撑环；沿所述内管的径向，所述第一支撑环处于所述第一油封和所述第二油封之间。Further, the waterproof structure of the electric push rod includes a first support ring, the first support ring is sleeved with the inner tube, and the end cover is sleeved with the first support ring; along the radial direction of the inner tube , the first support ring is located between the first oil seal and the second oil seal.
进一步的，所述端盖具有环沟槽，所述第一支撑环的内端嵌入所述环沟槽，所述第一支撑环的外端延伸至所述环沟槽的外部且抵触所述内管的外表面。Further, the end cap has a ring groove, the inner end of the first support ring is embedded in the ring groove, and the outer end of the first support ring extends to the outside of the ring groove and interferes with the ring groove The outer surface of the inner tube.
进一步的，所述第一支撑环具有朝向所述端盖的内端面，所述环沟槽具有环底壁，所述第一支撑环的内端面与所述环底壁之间具有第三间隙。Further, the first support ring has an inner end surface facing the end cover, the ring groove has a ring bottom wall, and a third gap is formed between the inner end surface of the first support ring and the ring bottom wall .
进一步的，所述电动推杆防水结构包括第二支撑环，所述第二支撑环套设所述内管，所述端盖套设所述第二支撑环；沿所述内管的径向，所述第一油封、所述第二油封和所述第二支撑环呈依序间隔排列布置。Further, the waterproof structure of the electric push rod includes a second support ring, the second support ring is sleeved with the inner tube, and the end cover is sleeved with the second support ring; along the radial direction of the inner tube , the first oil seal, the second oil seal and the second support ring are arranged in sequence and spaced apart.
进一步的，所述电动推杆防水结构包括至少一个油封件，所述油封件套设所述内管，所述端盖套设所述油封件；所述第一油封、所述第二油封和所述油封件呈依序间隔排列布置。Further, the waterproof structure of the electric push rod includes at least one oil seal, the oil seal sleeves the inner pipe, the end cover sleeves the oil seal; the first oil seal, the second oil seal and the The oil seals are arranged in sequence and spaced apart.
有益效果beneficial effect
与现有技术相比，本发明提供的电动推杆防水结构，端盖与内管呈套设布置，通过端盖与内管之间的相对移动，实现电动推杆的伸缩，对光伏板的倾斜角度进行调节；在第一油封和第二油封的配合作用下，对端盖与内管之间的间隙起到密封作用，从而起到防水作用，同时，第一油封和第二油封沿内管的轴向间隔布置，多层次起到防水作用，极大提高防水效果。Compared with the prior art, in the waterproof structure of the electric push rod provided by the present invention, the end cover and the inner tube are arranged in a sleeve, and the relative movement between the end cover and the inner tube realizes the expansion and contraction of the electric push rod, and has a good effect on the photovoltaic panel. The inclination angle is adjusted; under the cooperation of the first oil seal and the second oil seal, the gap between the end cover and the inner pipe is sealed, so as to play a waterproof role. At the same time, the first oil seal and the second oil seal are The axial space of the tube is arranged, and the multi-level waterproof effect is achieved, which greatly improves the waterproof effect.
附图说明Description of drawings
图1是本发明提供的电动推杆防水结构的剖面示意图；Fig. 1 is the sectional schematic diagram of the electric push rod waterproof structure provided by the present invention;
图2是本发明提供的电动推杆防水结构的剖面示意图；2 is a schematic cross-sectional view of an electric push rod waterproof structure provided by the present invention;
图3是本发明提供的电动推杆防水结构的俯视示意图；3 is a schematic top view of the waterproof structure of the electric push rod provided by the present invention;
图4是本发明提供的电动推杆防水结构的立体示意图；4 is a schematic perspective view of the waterproof structure of the electric push rod provided by the present invention;
图5是本发明提供的电动推杆防水结构的分解示意图；5 is an exploded schematic view of the waterproof structure of the electric push rod provided by the present invention;
图6是本发明提供的电动推杆防水结构的B部剖面示意图；6 is a schematic cross-sectional view of the B part of the electric push rod waterproof structure provided by the present invention;
图7是本发明提供的电动推杆防水结构的A部剖面示意图；7 is a schematic cross-sectional view of part A of the electric push rod waterproof structure provided by the present invention;
图8是本发明提供的电动推杆防水结构的第一油封的立体示意图；8 is a perspective view of the first oil seal of the electric push rod waterproof structure provided by the present invention;
图9是本发明提供的电动推杆防水结构的第一油封的剖面示意图；9 is a schematic cross-sectional view of the first oil seal of the electric push rod waterproof structure provided by the present invention;
图10是本发明提供的电动推杆防水结构的第一油封的剖面示意图；10 is a schematic cross-sectional view of the first oil seal of the electric push rod waterproof structure provided by the present invention;
图11是本发明提供的电动推杆防水结构的第二油封的立体示意图；11 is a perspective view of the second oil seal of the electric push rod waterproof structure provided by the present invention;
图12是本发明提供的电动推杆防水结构的第二油封的剖面示意图；12 is a schematic cross-sectional view of the second oil seal of the electric push rod waterproof structure provided by the present invention;
图13是本发明提供的电动推杆防水结构的第二油封的剖面示意图；13 is a schematic cross-sectional view of the second oil seal of the electric push rod waterproof structure provided by the present invention;
图14是本发明提供的电动推杆防水结构的第一支撑环的立体示意图；14 is a perspective view of the first support ring of the waterproof structure of the electric push rod provided by the present invention;
图15是本发明提供的电动推杆防水结构的第二支撑环的剖面示意图。15 is a schematic cross-sectional view of the second support ring of the waterproof structure of the electric push rod provided by the present invention.
本发明的最佳实施方式BEST MODE FOR CARRYING OUT THE INVENTION
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be 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, but not to limit the present invention.
以下结合具体实施例对本发明的实现进行详细的描述。The implementation of the present invention will be described in detail below with reference to specific embodiments.
本实施例的附图中相同或相似的标号对应相同或相似的部件；在本发明的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本专利的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。The same or similar numbers in the drawings of this embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. structure and operation, so the terms describing the positional relationship in the drawings are only used for exemplary illustration and should not be construed as a limitation on the present patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific situations.
参照图1-15所示，为本发明提供的较佳实施例。Referring to Figures 1-15, it is a preferred embodiment provided by the present invention.
电动推杆防水结构，包括第一油封1和第二油封2，端盖4与内管5呈套设布置，第一油封1和第二油封2分别套设内管5，沿内管5的轴向，第一油封1和第二油封2呈间隔对应布置，端盖4套设第一油封1和第二油封2。The waterproof structure of the electric push rod includes a first oil seal 1 and a second oil seal 2, the end cover 4 and the inner tube 5 are arranged in a sleeve, and the first oil seal 1 and the second oil seal 2 are respectively sleeved with the inner tube 5. In the axial direction, the first oil seal 1 and the second oil seal 2 are arranged correspondingly at intervals, and the end cover 4 is sleeved with the first oil seal 1 and the second oil seal 2 .
上述的电动推杆防水结构，端盖4与内管5呈套设布置，通过端盖4与内管5之间的相对移动，实现电动推杆的伸缩，对光伏板的倾斜角度进行调节；在第一油封1和第二油封2的配合作用下，对端盖4与内管5之间的间隙起到密封作用，从而起到防水作用，同时，第一油封1和第二油封2沿内管5的轴向间隔布置，多层次起到防水作用，极大提高防水效果。In the above-mentioned waterproof structure of the electric push rod, the end cover 4 and the inner tube 5 are arranged in a sleeve, and the relative movement between the end cover 4 and the inner tube 5 realizes the expansion and contraction of the electric push rod, and adjusts the inclination angle of the photovoltaic panel; Under the cooperation of the first oil seal 1 and the second oil seal 2, the gap between the end cover 4 and the inner tube 5 is sealed, so as to play a waterproof role. At the same time, the first oil seal 1 and the second oil seal 2 along the The axially spaced arrangement of the inner tubes 5 has a multi-layered waterproof effect, which greatly improves the waterproof effect.
端盖4具有第一沟槽41，第一沟槽41沿背离内管5方向呈凹陷布置，第一油封1的内端嵌入第一沟槽41，第一油封1的外端延伸至第一沟槽41的外部且抵触内管5的外表面；在第一沟槽41的作用下，增强第一油封1的设置稳固性，同时，在使用过程中，第一沟槽41避免第一油封1偏移，增强第一油封1的防水效果。The end cover 4 has a first groove 41, the first groove 41 is recessed along the direction away from the inner tube 5, the inner end of the first oil seal 1 is embedded in the first groove 41, and the outer end of the first oil seal 1 extends to the first groove 41. The outside of the groove 41 is against the outer surface of the inner tube 5; under the action of the first groove 41, the stability of the first oil seal 1 is enhanced, and at the same time, during use, the first groove 41 avoids the first oil seal 1 offset to enhance the waterproof effect of the first oil seal 1.
第一油封1具有朝向端盖4的内端面，第一沟槽41具有第一底槽壁，第一油封1的内端面与第一底槽壁之间具有第一间隙；由于内管5在实验过程中，会受到径向力，在第一间隙的作用下，便于第一油封1受力后有形变的空间，更好的防止进水，同时，增强第一油封1的承受力，提高第一油封1的使用寿命。The first oil seal 1 has an inner end face facing the end cover 4, the first groove 41 has a first bottom groove wall, and there is a first gap between the inner end face of the first oil seal 1 and the first bottom groove wall; During the experiment, it will be subjected to radial force. Under the action of the first gap, it is convenient for the first oil seal 1 to have a deformation space after being stressed, which can better prevent water from entering. Service life of the first oil seal 1 .
第一油封1由丁腈橡胶、氟橡胶、硅橡胶、丙烯酸酯橡胶、聚氨酯、聚四氟乙烯等一种或多种混合制成。The first oil seal 1 is made by mixing one or more of nitrile rubber, fluorine rubber, silicone rubber, acrylate rubber, polyurethane, polytetrafluoroethylene, etc.
第一油封1包括第一内封体11和第一外封体12，第一外封体12套设第一内封体11，且第一外封体12与第一内封体11呈对接布置，第一内封体11环绕抵触内管5，第一外封体12嵌入第一沟槽41；沿轴向方向，第一内封体11的上部和下部分别朝向内管5方向呈倾斜布置，这样，便于第一内封体11抵触内管5。The first oil seal 1 includes a first inner sealing body 11 and a first outer sealing body 12 . The first outer sealing body 12 is sleeved with the first inner sealing body 11 , and the first outer sealing body 12 and the first inner sealing body 11 are butted together. Arrangement, the first inner sealing body 11 surrounds and interferes with the inner tube 5, and the first outer sealing body 12 is embedded in the first groove 41; along the axial direction, the upper part and the lower part of the first inner sealing body 11 are inclined towards the direction of the inner tube 5 respectively. Arranged in this way, it is convenient for the first inner sealing body 11 to interfere with the inner tube 5 .
沿轴向方向，第一内封体11的上部延伸至第一外封体12的上方，增大与内管5的抵触范围，增强防水效果。In the axial direction, the upper part of the first inner sealing body 11 extends to the upper part of the first outer sealing body 12 , which increases the interference range with the inner tube 5 and enhances the waterproof effect.
沿轴向方向，第一内封体11的下部与第一外封体12具有间距，便于第一油封1受力后有形变的空间，更好的防止进水。In the axial direction, the lower part of the first inner sealing body 11 and the first outer sealing body 12 are spaced apart, which facilitates the deformation of the first oil seal 1 after being stressed, and better prevents water from entering.
端盖4具有第二沟槽42，第二沟槽42沿背离内管5方向呈凹陷布置，沿端盖4的轴向，第二沟槽42与第一沟槽41呈间隔排列布置，第二油封2的内端嵌入第二沟槽42，第二油封2的外端延伸至第二沟槽42的外部且抵触内管5的外表面；在第二沟槽42的作用下，增强第二油封2的设置稳固性，同时，在使用过程中，第二沟槽42避免第二油封2偏移，增强第二油封2的防水效果。The end cover 4 has a second groove 42, and the second groove 42 is arranged in a recess along the direction away from the inner tube 5. Along the axial direction of the end cover 4, the second groove 42 and the first groove 41 are arranged at intervals. The inner end of the second oil seal 2 is embedded in the second groove 42, and the outer end of the second oil seal 2 extends to the outside of the second groove 42 and interferes with the outer surface of the inner tube 5; under the action of the second groove 42, the first The stability of the arrangement of the second oil seal 2, and at the same time, during use, the second groove 42 prevents the second oil seal 2 from shifting, and enhances the waterproof effect of the second oil seal 2.
并且，第一沟槽41与第二沟槽42沿端盖4的轴向呈间隔排列布置，延长密封的径向范围，提高防水效果。In addition, the first grooves 41 and the second grooves 42 are arranged at intervals along the axial direction of the end cover 4 to extend the radial range of the seal and improve the waterproof effect.
第一油封1呈环状布置，便于第一油封1套设内管5，且增大第一油封1与内管5的抵触面积，增强第一油封1的密封效果；第一沟槽41呈环状布置，便于第一油封1的安设。The first oil seal 1 is arranged in a ring shape, which is convenient for the first oil seal 1 to be sleeved with the inner tube 5, and increases the contact area between the first oil seal 1 and the inner tube 5, and enhances the sealing effect of the first oil seal 1; The annular arrangement is convenient for the installation of the first oil seal 1 .
第二油封2具有朝向端盖4的内端面，第二沟槽42具有第二底槽壁，第二油封2的内端面与第二底槽壁之间具有第二间隙；在第二间隙的作用下，便于第二油封2受力后有形变的空间，更好的防止进水，同时，增强第二油封2的承受力，提高第二油封2的使用寿命。The second oil seal 2 has an inner end face facing the end cover 4, the second groove 42 has a second bottom groove wall, and there is a second gap between the inner end face of the second oil seal 2 and the second bottom groove wall; Under the action, it is convenient for the second oil seal 2 to have a deformation space after being stressed, so as to better prevent water ingress.
第二油封2包括第二内封体21和第二外封体22，第二外封体22套设第二内封体21，且第二外封体22与第二内封体21呈对接布置，第二内封体21环绕抵触内管5，第二外封体22嵌入第二沟槽42；沿轴向方向，第二内封体21的上部和下部分别朝向内管5方向呈倾斜布置，这样，便于第二内封体21抵触内管5。The second oil seal 2 includes a second inner sealing body 21 and a second outer sealing body 22 . The second outer sealing body 22 is sleeved with the second inner sealing body 21 , and the second outer sealing body 22 and the second inner sealing body 21 are butted together. Arrangement, the second inner sealing body 21 surrounds and interferes with the inner tube 5, and the second outer sealing body 22 is embedded in the second groove 42; along the axial direction, the upper and lower parts of the second inner sealing body 21 are inclined towards the direction of the inner tube 5 respectively. Arranged in this way, it is convenient for the second inner sealing body 21 to interfere with the inner tube 5 .
沿轴向方向，第二内封体21的上部与第二外封体22具有间距，便于第二油封2受力后有形变的空间，更好的防止进水。In the axial direction, the upper part of the second inner sealing body 21 and the second outer sealing body 22 are spaced apart, so that there is room for deformation of the second oil seal 2 after being stressed, and it is better to prevent water from entering.
沿轴向方向，第二内封体21的下部与第二外封体22具有间距，便于第二油封2受力后有形变的空间，更好的防止进水。In the axial direction, the lower part of the second inner sealing body 21 and the second outer sealing body 22 are spaced apart, so that the second oil seal 2 has a deformation space after being stressed, and better prevents water from entering.
电动推杆防水结构包括第一支撑环3，第一支撑环3套设内管5，端盖4套设第一支撑环3；沿内管5的径向，第一支撑环3处于第一油封1和第二油封2之间；内管5在受到较强的侧向力变形时，内管5与第一油封1之间会产生间隙，或者内管5与第二油封2之间会产生间隙，在第一支撑环3的作用下，起到了支撑作用，使得第一油封1与内管5之间不会有间隙，极大增强防水效果，并且，使得第二油封2与内管5之间不会有间隙，极大增强防水效果。The waterproof structure of the electric push rod includes a first support ring 3, the first support ring 3 is sleeved with the inner tube 5, and the end cover 4 is sleeved with the first support ring 3; along the radial direction of the inner tube 5, the first support ring 3 is in the first Between the oil seal 1 and the second oil seal 2; when the inner tube 5 is deformed by a strong lateral force, there will be a gap between the inner tube 5 and the first oil seal 1, or there will be a gap between the inner tube 5 and the second oil seal 2. A gap is generated, and under the action of the first support ring 3, it plays a supporting role, so that there is no gap between the first oil seal 1 and the inner pipe 5, which greatly enhances the waterproof effect, and makes the second oil seal 2 and the inner pipe. There will be no gap between 5, which greatly enhances the waterproof effect.
端盖4具有环沟槽43，第一支撑环3的内端嵌入环沟槽43，第一支撑环3的外端延伸至环沟槽43的外部且抵触内管5的外表面；在环沟槽43的作用下，增强第一支撑环3的设置稳固性，同时，在使用过程中，环沟槽43避免第一支撑环3偏移，增强第一支撑环3的防水效果。The end cover 4 has a ring groove 43, the inner end of the first support ring 3 is embedded in the ring groove 43, and the outer end of the first support ring 3 extends to the outside of the ring groove 43 and abuts against the outer surface of the inner tube 5; Under the action of the grooves 43 , the setting stability of the first support ring 3 is enhanced. At the same time, during use, the ring grooves 43 prevent the first support ring 3 from being displaced and enhance the waterproof effect of the first support ring 3 .
第一支撑环3具有朝向端盖4的内端面，环沟槽43具有环底壁，第一支撑环3的内端面与环底壁之间具有第三间隙；在第三间隙的作用下，便于第一支撑环3受力后有形变的空间，更好的防止进水，同时，增强第一支撑环3的承受力，提高第一支撑环3的使用寿命。The first support ring 3 has an inner end surface facing the end cover 4, the ring groove 43 has a ring bottom wall, and a third gap is formed between the inner end surface of the first support ring 3 and the ring bottom wall; under the action of the third gap, It is convenient for the first support ring 3 to have a deformation space after being stressed, so as to better prevent water ingress, and at the same time, the bearing capacity of the first support ring 3 is enhanced, and the service life of the first support ring 3 is improved.
另外，通过设置第一支撑环3，第一油封1、第一支撑环3和第二油封2的配合作用下，缩短三者的支撑距离，那么，内管5在那么短距离的的变形量很小，从而降低内管5的变形，同时，提高防水效果。In addition, by arranging the first support ring 3, under the cooperative action of the first oil seal 1, the first support ring 3 and the second oil seal 2, the support distance of the three is shortened, then, the deformation amount of the inner tube 5 at such a short distance small, so that the deformation of the inner tube 5 is reduced, and at the same time, the waterproof effect is improved.
第一支撑环3由于铜粉末加PETF材料混合制成，既保证了刚性又保证了足够的光滑。The first support ring 3 is made by mixing copper powder and PETF material, which not only ensures rigidity but also ensures sufficient smoothness.
第一支撑环3朝向内管5的外端面，第一支撑环3的外端面环绕包围且抵触内管5的外表面；第一支撑环3的外端面呈光滑布置，不会使内管5的外表面刮花导致进水，从而提高防水效果。The first support ring 3 faces the outer end face of the inner tube 5, and the outer end face of the first support ring 3 surrounds and abuts against the outer surface of the inner tube 5; Scratches on the outer surface lead to water ingress, thereby improving the waterproof effect.
电动推杆防水结构包括第二支撑环6，第二支撑环6套设内管5，端盖4套设第二支撑环6；沿内管5的径向，第一油封1、第二油封2和第二支撑环6呈依序间隔排列布置；在第二支撑环6的作用下，在内管5形变时，离作用力的地方过远，第一油封1和第二支撑环6配合下，端盖4的上下都有支撑，在短距离的内管5产生形变的可能性极低，从而降低内管5的形变，提高电动推杆的使用寿命。The waterproof structure of the electric push rod includes a second support ring 6, the second support ring 6 is sleeved with the inner tube 5, and the end cover 4 is sleeved with the second support ring 6; along the radial direction of the inner tube 5, the first oil seal 1, the second oil seal 2 and the second support ring 6 are arranged at intervals in sequence; under the action of the second support ring 6, when the inner tube 5 is deformed, it is too far away from the place where the force is applied, and the first oil seal 1 and the second support ring 6 cooperate with each other. The upper and lower ends of the end cover 4 are supported, and the possibility of deformation of the inner tube 5 in a short distance is extremely low, thereby reducing the deformation of the inner tube 5 and improving the service life of the electric push rod.
另外，第一油封1、第一支撑环3、第二油封2和第二支撑环6呈依序间隔排列布置，呈多层支撑和防水，降低内管5的变形，以及提高电动推杆的防水效果；并且，缩短两者之间的防水距离，提高防水效果，避免内管5变形。In addition, the first oil seal 1 , the first support ring 3 , the second oil seal 2 and the second support ring 6 are arranged at intervals in order, and are multi-layered for support and waterproofing, which reduces the deformation of the inner tube 5 and improves the performance of the electric push rod. Moreover, the waterproof distance between the two is shortened, the waterproof effect is improved, and the deformation of the inner tube 5 is avoided.
电动推杆防水结构包括至少一个油封件，油封件套设内管5，端盖4套设油封件；第一油封1、第二油封2和油封件呈依序间隔排列布置；根据需要，设置油封件，增大密封范围，或者缩小密封间距，从而避免内管5变形，和提高防水效果。The waterproof structure of the electric push rod includes at least one oil seal, the oil seal is sleeved with the inner pipe 5, and the end cover 4 is sleeved with the oil seal; the first oil seal 1, the second oil seal 2 and the oil seal are arranged in sequence and spaced apart; according to needs, set The oil seal can increase the sealing range or reduce the sealing distance, thereby avoiding the deformation of the inner tube 5 and improving the waterproof effect.
可以根据需要设置多个油封件，实现多层次密封，提高防水效果。Multiple oil seals can be set up as needed to achieve multi-level sealing and improve the waterproof effect.
第一油封1、第二油封2和油封件，为同一型号的油封，便于生产制造，降低生产成本。The first oil seal 1 , the second oil seal 2 and the oil seal piece are oil seals of the same type, which is convenient for production and manufacture and reduces production costs.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above descriptions 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 shall be included in the protection of the present invention. within the range.

Claims (10)

  1. 电动推杆防水结构，其特征在于，包括第一油封和第二油封，端盖与内管呈套设布置，所述第一油封和所述第二油封分别套设所述内管，沿所述内管的轴向，所述第一油封和所述第二油封呈间隔对应布置，所述端盖套设所述第一油封和所述第二油封。The waterproof structure of the electric push rod is characterized in that it includes a first oil seal and a second oil seal, the end cover and the inner tube are arranged in a sleeve, and the first oil seal and the second oil seal are respectively sleeved on the inner tube, along the inner tube. In the axial direction of the inner tube, the first oil seal and the second oil seal are arranged correspondingly at intervals, and the end cover is sleeved with the first oil seal and the second oil seal.
  2. 如权利要求1所述的电动推杆防水结构，其特征在于，所述端盖具有第一沟槽，所述第一沟槽沿背离所述内管方向呈凹陷布置，所述第一油封的内端嵌入所述第一沟槽，所述第一油封的外端延伸至所述第一沟槽的外部且抵触所述内管的外表面。The waterproof structure of the electric push rod according to claim 1, wherein the end cover has a first groove, and the first groove is arranged in a recess along the direction away from the inner tube, and the first oil seal has a groove. The inner end is embedded in the first groove, and the outer end of the first oil seal extends to the outside of the first groove and abuts against the outer surface of the inner tube.
  3. 如权利要求2所述的电动推杆防水结构，其特征在于，所述第一油封具有朝向所述端盖的内端面，所述第一沟槽具有第一底槽壁，所述第一油封的内端面与所述第一底槽壁之间具有第一间隙。The waterproof structure of the electric push rod according to claim 2, wherein the first oil seal has an inner end face facing the end cover, the first groove has a first bottom groove wall, and the first oil seal There is a first gap between the inner end surface of the first bottom groove and the wall of the first bottom groove.
  4. 如权利要求2所述的电动推杆防水结构，其特征在于，所述端盖具有第二沟槽，所述第二沟槽沿背离所述内管方向呈凹陷布置，沿所述端盖的轴向，所述第二沟槽与所述第一沟槽呈间隔排列布置，所述第二油封的内端嵌入所述第二沟槽，所述第二油封的外端延伸至所述第二沟槽的外部且抵触所述内管的外表面。The waterproof structure of the electric push rod according to claim 2, wherein the end cover has a second groove, and the second groove is arranged in a recess along the direction away from the inner tube, along the direction of the end cover. In the axial direction, the second groove and the first groove are arranged at intervals, the inner end of the second oil seal is embedded in the second groove, and the outer end of the second oil seal extends to the first groove. The outer portions of the two grooves abut against the outer surface of the inner tube.
  5. 如权利要求4所述的电动推杆防水结构，其特征在于，所述第二油封具有朝向所述端盖的内端面，所述第二沟槽具有第二底槽壁，所述第二油封的内端面与所述第二底槽壁之间具有第二间隙。The waterproof structure of the electric push rod according to claim 4, wherein the second oil seal has an inner end face facing the end cover, the second groove has a second bottom groove wall, and the second oil seal There is a second gap between the inner end surface of the second bottom groove and the wall of the second bottom groove.
  6. 如权利要求1-5任意一项所述的电动推杆防水结构，其特征在于，所述电动推杆防水结构包括第一支撑环，所述第一支撑环套设所述内管，所述端盖套设所述第一支撑环；沿所述内管的径向，所述第一支撑环处于所述第一油封和所述第二油封之间。The waterproof structure of the electric push rod according to any one of claims 1-5, wherein the waterproof structure of the electric push rod comprises a first support ring, the first support ring is sleeved with the inner tube, the The end cover is sleeved with the first support ring; along the radial direction of the inner tube, the first support ring is located between the first oil seal and the second oil seal.
  7. 如权利要求6所述的电动推杆防水结构，其特征在于，所述端盖具有环沟槽，所述第一支撑环的内端嵌入所述环沟槽，所述第一支撑环的外端延伸至所述环沟槽的外部且抵触所述内管的外表面。The waterproof structure of the electric push rod according to claim 6, wherein the end cover has a ring groove, the inner end of the first support ring is embedded in the ring groove, and the outer end of the first support ring is embedded in the ring groove. An end extends to the outside of the ring groove and abuts the outer surface of the inner tube.
  8. 如权利要求7所述的电动推杆防水结构，其特征在于，所述第一支撑环具有朝向所述端盖的内端面，所述环沟槽具有环底壁，所述第一支撑环的内端面与所述环底壁之间具有第三间隙。The waterproof structure of the electric push rod according to claim 7, wherein the first support ring has an inner end face facing the end cover, the ring groove has a ring bottom wall, and the first support ring has an inner end face. There is a third gap between the inner end face and the ring bottom wall.
  9. 如权利要求1-5任意一项所述的电动推杆防水结构，其特征在于，所述电动推杆防水结构包括第二支撑环，所述第二支撑环套设所述内管，所述端盖套设所述第二支撑环；沿所述内管的径向，所述第一油封、所述第二油封和所述第二支撑环呈依序间隔排列布置。The waterproof structure of the electric push rod according to any one of claims 1-5, wherein the waterproof structure of the electric push rod comprises a second support ring, the second support ring is sleeved with the inner tube, and the The end cover is sleeved with the second support ring; along the radial direction of the inner tube, the first oil seal, the second oil seal and the second support ring are arranged in sequence and spaced apart.
  10. 如权利要求1-5任意一项所述的电动推杆防水结构，其特征在于，所述电动推杆防水结构包括至少一个油封件，所述油封件套设所述内管，所述端盖套设所述油封件；所述第一油封、所述第二油封和所述油封件呈依序间隔排列布置。The waterproof structure of the electric push rod according to any one of claims 1-5, wherein the waterproof structure of the electric push rod comprises at least one oil seal, the oil seal sleeves the inner pipe, the end cover The oil seal is sleeved; the first oil seal, the second oil seal and the oil seal are arranged in sequence and spaced apart.
PCT/CN2021/103397 2020-08-19 2021-06-30 Waterproof structure for electric push rod WO2022037270A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213145347U (en) * 2020-08-19 2021-05-07 东莞市帕瓦莱斯智能科技有限公司 Waterproof structure of electric push rod
CN115765589B (en) * 2022-11-07 2023-07-28 东莞市特姆优传动科技有限公司 Solar panel electric putter with waterproof function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06241209A (en) * 1993-02-10 1994-08-30 Mitsubishi Heavy Ind Ltd Leakage oil recoverying device of hydraulic cylinder
CN207111932U (en) * 2017-07-04 2018-03-16 浙江捷昌线性驱动科技股份有限公司 A kind of electric pushrod of multilayer proofing
CN109854748A (en) * 2019-04-08 2019-06-07 浙江力耐得传动科技有限公司 A kind of waterproof seal electric pushrod
CN209818738U (en) * 2019-04-08 2019-12-20 浙江力耐得传动科技有限公司 Sealing unit for telescopic end of electric push rod
CN213145347U (en) * 2020-08-19 2021-05-07 东莞市帕瓦莱斯智能科技有限公司 Waterproof structure of electric push rod

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06241209A (en) * 1993-02-10 1994-08-30 Mitsubishi Heavy Ind Ltd Leakage oil recoverying device of hydraulic cylinder
CN207111932U (en) * 2017-07-04 2018-03-16 浙江捷昌线性驱动科技股份有限公司 A kind of electric pushrod of multilayer proofing
CN109854748A (en) * 2019-04-08 2019-06-07 浙江力耐得传动科技有限公司 A kind of waterproof seal electric pushrod
CN209818738U (en) * 2019-04-08 2019-12-20 浙江力耐得传动科技有限公司 Sealing unit for telescopic end of electric push rod
CN213145347U (en) * 2020-08-19 2021-05-07 东莞市帕瓦莱斯智能科技有限公司 Waterproof structure of electric push rod

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