CN206268148U - 回油自封式液压油箱 - Google Patents

回油自封式液压油箱 Download PDF

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Publication number
CN206268148U
CN206268148U CN201621382480.3U CN201621382480U CN206268148U CN 206268148 U CN206268148 U CN 206268148U CN 201621382480 U CN201621382480 U CN 201621382480U CN 206268148 U CN206268148 U CN 206268148U
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oil return
casing
return pipe
oil
fuel tank
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王孟
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Qingdao Conele Group Co Ltd
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Qingdao Conele Group Co Ltd
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Abstract

本实用新型公开了一种回油自封式液压油箱，包括箱体、固定于箱体上的带有自封装置的吸油过滤器、空气过滤器和液位计，空气过滤器和液位计通过螺栓固定于箱体上，箱体内设有自封功能的回油管，所述回油管为倒U型结构，深入箱体内的管段上开设多个孔。本实用新型具有回油自封功能，减少液压油的泄露；当外面的回油管拆下时只有A‑A右侧的少量液压油会流出去，里面的液压油由于两侧压力平衡会封在油箱内部。

Description

回油自封式液压油箱
技术领域
本实用新型属于工程机械设备技术领域，特别涉及回油自封式液压油箱。
背景技术
现有技术中的泵车的液压油箱不具有回油自封功能，泵车在检修、拆卸油管时经常会泄露液压油，特别是与液压油箱连接的地方，浪费能源，同时污染环境。
发明内容
针对现有技术存在的不足，本实用新型提供一种回油自封式液压油箱，具有回油自封功能，减少液压油的泄露。
为了解决上述技术问题，本实用新型采用的技术方案是：回油自封式液压油箱，包括箱体、固定于箱体上的带有自封装置的吸油过滤器、空气过滤器和液位计，空气过滤器和液位计通过螺栓固定于箱体上，箱体内设有自封功能的回油管，所述回油管为倒U型结构，深入箱体内的管段上开设多个孔。
进一步的，所述吸油过滤器与箱体螺栓连接。
进一步的，所述回油管包括回油管A、回油管B 、回油管C。
进一步的，所述回油管A、回油管B 、回油管C焊接在箱体内。
与现有技术相比，本实用新型优点在于：具有回油自封功能，减少液压油的泄露；当外面的回油管拆下时只有A-A右侧的少量液压油会流出去，里面的液压油由于两侧压力平衡会封在油箱内部。
附图说明
图1为本实用新型的主视图；
图2为本实用新型的内部结构图；
图3为本实用新型的回油管自封原理图。
图中，1. 吸油过滤器；2. 箱体；3. 空滤器；4. 液位计；5. 回油管A；6.回油管B ；7.回油管C；8.液压油。
具体实施方式
下面结合附图及具体实施例对本实用新型作进一步的说明。
回油自封式液压油箱，包括箱体2、固定于箱体2上的带有自封装置的吸油过滤器1、空气过滤器3和液位计4，空气过滤器3和液位计4通过螺栓固定于箱体2上，箱体2内设有自封功能的回油管，回油管为倒U型结构，深入箱体2内的管段上开设多个孔；回油管包括回油管A、回油管B 、回油管C，优选的是，回油管A、回油管B 、回油管C焊接在箱体2内，吸油过滤器1与箱体2螺栓连接。
综上所述，本实用新型具有回油自封功能，减少液压油的泄露；当外面的回油管拆下时只有A-A右侧的少量液压油会流出去，里面的液压油由于两侧压力平衡会封在油箱内部。
当然，上述说明并非是对本实用新型的限制，本实用新型也并不限于上述举例，本技术领域的普通技术人员，在本实用新型的实质范围内，作出的变化、改型、添加或替换，都应属于本实用新型的保护范围。

Claims (4)

1.回油自封式液压油箱，其特征在于：包括箱体、固定于箱体上的带有自封装置的吸油过滤器、空气过滤器和液位计，空气过滤器和液位计通过螺栓固定于箱体上，箱体内设有自封功能的回油管，所述回油管为倒U型结构，深入箱体内的管段上开设多个孔。
2.根据权利要求1所述的回油自封式液压油箱，其特征在于：所述吸油过滤器与箱体螺栓连接。
3. 根据权利要求1所述的回油自封式液压油箱，其特征在于：所述回油管包括回油管A、回油管B 、回油管C。
4. 根据权利要求3所述的回油自封式液压油箱，其特征在于：所述回油管A、回油管B 、回油管C焊接在箱体内。
CN201621382480.3U 2016-12-16 2016-12-16 回油自封式液压油箱 Active CN206268148U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621382480.3U CN206268148U (zh) 2016-12-16 2016-12-16 回油自封式液压油箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621382480.3U CN206268148U (zh) 2016-12-16 2016-12-16 回油自封式液压油箱

Publications (1)

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CN206268148U true CN206268148U (zh) 2017-06-20

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