The utility model discloses a pressure gauge antifreeze joint, the joint body provided with the pressure meter connected cavity and pressure of fluid pressure transmission channel, the internal connector body is provided via hydraulic pressure and pressure gauge coolant connection chamber pressure channel pressure, coolant pressure transmitting channel is arranged in the sliding piston seal. The utility model is provided with a sealed sliding plunger in the anti pressure liquid transmission channel, which realizes the transmission and isolation detection of the pressure in the pressure liquid connecting pipeline, and the pressure gauge antifreezing joint has simple overall structure and low cost. The utility model also discloses a liquid pressure antifreeze detecting device, which includes the anti freezing joint of the pressure gauge, and also includes a pressure gauge and a cut-off valve. The pressure meter connection head is fixed inside the pressure meter connection cavity, and the end of the pressure liquid channel of the joint body is fixed to the cut-off valve. To ensure that the pressure gauge is damaged or the antifreeze joint of the pressure gauge is damaged, the path between the pressure gauge and the anti freeze joint of the pressure gauge can be quickly and easily closed.
【技术实现步骤摘要】
压力表防冻接头及其液体压力防冻检测装置
本技术涉及测量流动介质准稳定压力的仪表的附件结构设计,特别涉及一种压力表防冻接头及其包括压力表防冻接头的液体压力防冻检测装置。
技术介绍
在现有技术的压力液传输管路中,压力表通过与压力液之间导通,通过传递压力液传输管路内部的压力,从而实现对压力液传输管路的内部压力液的压力值检测。但是,在寒冷的环境中,尤其是在野外的寒冷环境,对压力表的保温设备匮乏,对压力表采取保温措施不方便、成本高。长期在寒冷的环境中工作,容易造成压力表的损坏。严重增加了压力液传输管路中压力值的检测成本。由此可见,现有技术中存在压力液传输管路中压力表容易损坏,压力表保温成本高的缺陷。
技术实现思路
有鉴于此,本技术的主要目的在于提供一种压力表防冻接头,通过在压力液传压通道内部的压力液传递压力,从而实现将压力液中的压力传输到压力表中,实现隔离防冻检测,且压力表防冻接头总体结构简单,使用方便,制造成本低。本技术的另一目的在于提供一种液体压力防冻检测装置,以方便压力表、压力表防冻接头的更换,保证压力表或者压力表防冻接头损坏后,可以及时简便的更换操作。为达到上述目的,本技术是通过如下技术方案实现:一种压力表防冻接头,包括:接头本体,所述接头本体一端开设压力表连接腔,所述接头本体的另一端开设压力液传压通道,所述接头本体内部开设防冻液传压通道,所述防冻液传压通道导通压力液传压通道和压力表连接腔,所述防冻液传压通道的横截面尺寸大于压力液传压通道横截面尺寸,小于压力表连接腔横截面尺寸,在所述防冻液传压通道内设置密封滑动柱塞。其中,所述密封滑动柱塞外壁开设一个或者多个密封槽, ...
【技术保护点】
一种压力表防冻接头,其特征在于,包括:接头本体,所述接头本体一端开设压力表连接腔,所述接头本体的另一端开设压力液传压通道,所述接头本体内部开设防冻液传压通道,所述防冻液传压通道导通压力液传压通道和压力表连接腔,所述防冻液传压通道的横截面尺寸大于压力液传压通道横截面尺寸,小于压力表连接腔横截面尺寸,在所述防冻液传压通道内设置密封滑动柱塞。
【技术特征摘要】
1.一种压力表防冻接头,其特征在于,包括:接头本体,所述接头本体一端开设压力表连接腔,所述接头本体的另一端开设压力液传压通道,所述接头本体内部开设防冻液传压通道,所述防冻液传压通道导通压力液传压通道和压力表连接腔,所述防冻液传压通道的横截面尺寸大于压力液传压通道横截面尺寸,小于压力表连接腔横截面尺寸,在所述防冻液传压通道内设置密封滑动柱塞。2.根据权利要求1所述的压力表防冻接头,其特征在于,所述密封滑动柱塞外壁开设一个或者多个密封槽,在所述密封槽内部安装密封圈。3.根据权利要求2所述的压力表防冻接头,其特征在于,所述密封滑动柱塞外壁开设两个密封槽。4.根据权利要求2所述的压力表防冻接头,其特征在于,所述密封圈为耐低温硅橡胶密封圈。5.根据权利要求1所述的压力表防冻接头,其特征在于,所述密封滑动柱塞为致密氧化锆陶瓷材质。6.根据...
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