Search

CN-224231104-U - Pressure-mounted temperature sensor

CN224231104UCN 224231104 UCN224231104 UCN 224231104UCN-224231104-U

Abstract

The utility model discloses a pressure-mounted temperature sensor, which relates to the technical field of temperature sensors and solves the problems that if the traditional temperature sensor needs maintenance when monitoring the temperature of a large-sized pipeline, in order to prevent liquid leakage caused by the outflow of the liquid from a mounting area, the sensor needs to be replaced by draining the liquid in the pipeline, the process is complex in operation and time-consuming, comprises a temperature sensor body and a water leakage prevention structure, be provided with the gauge stick on the temperature sensor body, gauge stick top lateral surface is connected with leak protection water structure through mounting structure, leak protection water structure includes ball valve and bolt, and the gauge stick is located the ball valve top and is provided with a plurality of bolt, and its internal thread inslot portion is provided with the nitrile rubber circle, has ensured the leakproofness after the gauge stick inserts through the nitrile rubber circle in the leak protection water structure, and the pipeline remains the leakproofness all the time after the temperature sensor changes, does not need to drain to change, easy operation is convenient.

Inventors

  • LAI WEIWEI
  • MA ZHENGWEI

Assignees

  • 广州中南能源科技有限公司

Dates

Publication Date
20260512
Application Date
20250307

Claims (5)

  1. 1. The utility model provides a mounting type temperature sensor under pressure, including temperature sensor body (1) and leak protection water structure (4), wherein be provided with probe rod (2) on temperature sensor body (1), probe rod (2) top lateral surface is connected with leak protection water structure (4) through mounting structure (3), leak protection water structure (4) include ball valve (401) and bolt (402), probe rod (2) are located ball valve (401) top and are provided with a plurality of bolt (402), bolt (402) top has seted up internal thread groove (408) with self assorted, its internal thread groove (408) inside is provided with nitrile rubber circle (403), through-hole (409) with internal thread groove (408) intercommunication have been seted up to bolt (402) bottom, in the internal thread groove (408) of the end of all the rest bolts (402) adjacent positions in proper order, in the internal thread groove (408) of probe rod (2) one end run through internal thread groove (409) and ball valve (401) passageway in proper order, the bottom of bolt (402) has seted up with self assorted nitrile rubber circle (407), the holding groove (407) is linked together with the nitrile rubber circle (407) of assorted.
  2. 2. A pressure-mounted temperature sensor according to claim 1, wherein the length of the thread on the bolt (402) is equal to the depth of the interior of the internal thread groove (408).
  3. 3. The pressure-mounted temperature sensor as set forth in claim 1, wherein the mounting structure (3) comprises a sleeve (301), the sleeve (301) is fixedly sleeved at the top end of the detection rod (2), a nut (302) is fixedly connected to the bottom end of the sleeve (301), a first external threaded pipe (303) is fixedly connected to the bottom end of the nut (302), and the first external threaded pipe (303) is matched with the internal threaded groove (408).
  4. 4. The pressure-mounted temperature sensor as claimed in claim 1, wherein the bottom of the ball valve (401) is connected with a second external threaded pipe (405) in a threaded manner, and the bottom end of the second external threaded pipe (405) is fixedly connected with a cannula (406).
  5. 5. A pressure-mounted temperature sensor according to claim 1, wherein a backing ring (404) is arranged at the inner top of the ball valve (401).

Description

Pressure-mounted temperature sensor Technical Field The utility model relates to the technical field of temperature sensors, in particular to a pressure-mounted temperature sensor. Background A temperature sensor refers to a sensor that senses temperature and converts it into a usable output signal, typically an electrical signal (e.g., a change in voltage, current, or resistance value), that facilitates subsequent processing, display, or control. The temperature sensor is a core part of the temperature measuring instrument and has various varieties. When temperature monitoring is carried out on a large-scale pipeline, if a traditional temperature sensor needs to be maintained, in order to prevent liquid from flowing out of an installation area to cause liquid leakage, the sensor can be replaced by firstly evacuating the liquid in the pipeline, and after the temperature sensor is reorganized, the liquid is emptied and then is refilled into the pipeline, so that the operation is complex and time is consumed. Disclosure of utility model The utility model aims to provide the pressure-mounted temperature sensor which ensures the tightness of the inserted detection rod through the nitrile rubber ring in the water leakage prevention structure and effectively reduces the outflow risk of liquid in a pipeline, and can solve the problems in the prior art. The technical scheme is that the pressure-mounted temperature sensor comprises a temperature sensor body and a water leakage prevention structure, wherein a detection rod is arranged on the temperature sensor body, the outer side face of the top end of the detection rod is connected with the water leakage prevention structure through the mounting structure, the water leakage prevention structure comprises a ball valve and bolts, the detection rod is positioned above the ball valve and is provided with a plurality of bolts, the top of each bolt is provided with an internal thread groove matched with the bolt, the internal thread groove is internally provided with a nitrile rubber ring, the bottom of each bolt is provided with a through hole communicated with the internal thread groove, the bolt at the lowest position is in threaded connection with an inlet of the ball valve, the tail ends of the other bolts are screwed into the internal thread grooves at adjacent positions in sequence, and one end of the detection rod sequentially penetrates through the internal thread grooves, the through holes and the ball valve channels. Preferably, the length of the thread on the bolt is equal to the inner depth of the internal thread groove. Preferably, the bottom of the bolt is provided with a containing groove communicated with the through hole, and the containing groove is matched with the nitrile rubber ring. Preferably, the mounting structure comprises a sleeve, the sleeve is fixedly sleeved at the top end of the detection rod, a nut is fixedly connected at the bottom end of the sleeve, a first external thread pipe is fixedly connected at the bottom end of the nut, and the first external thread pipe is matched with the internal thread groove. Preferably, the bottom of the ball valve is connected with a second external thread pipe in a threaded manner, and the bottom end of the second external thread pipe is fixedly connected with a cannula. Preferably, a backing ring is arranged at the inner top of the ball valve. Compared with the prior art, the utility model has the beneficial effects that the tightness of the inserted detection rod is ensured through the nitrile rubber ring in the water leakage prevention structure, the outflow risk of liquid in the pipeline is effectively reduced, the measured tightness is ensured, when the temperature sensor body needs to be maintained, the temperature sensor body can be pulled out, the ball valve is closed, the liquid in the pipeline can be prevented from flowing out, thereby reducing the waste of resources, the stable sensor is not required to be replaced after the liquid is emptied, the operation is simpler and more convenient, the pressure-type temperature sensor is mainly applied to large projects or pipeline systems, the installation or the disassembly under pressure is supported even if the water flow exists in the pipeline and is running, the subsequent maintenance under pressure is convenient, the water is not required to be stopped or the water is not discharged, the operation is simple and convenient, the pressure-type sensor detects the liquid in the pipeline all the time, the detection accuracy is improved, and the alarm accuracy and the reliability are improved. Drawings FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of a partially exploded perspective view of the present utility model; Fig. 3 is a schematic cross-sectional view of the bolt of the present utility model. The temperature sensor comprises a temperature sensor body 1, a detection rod 3, a mounti