Device convenient for fixing NTC temperature sensor and use method thereof
By using the transmission and limiting units of the limiting mechanism, the problem of cumbersome installation process for NTC temperature sensors is solved, enabling rapid fixation and improving installation efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-28
- Publication Date
- 2026-03-27
AI Technical Summary
The installation process of existing NTC temperature sensors is cumbersome and difficult to achieve quick fixation, which affects work efficiency.
A limiting mechanism was designed, including a transmission unit and a limiting unit. Through the cooperation of the transmission rod, the swing arm and the force rod, the sensor connector can be quickly fixed.
It enables rapid installation and fixation of NTC temperature sensors, improving work efficiency.
Smart Images

Figure CN121740262A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of temperature sensor technology, specifically a device for easily fixing an NTC temperature sensor. Background Technology
[0002] NTC temperature sensors are thermistors or probes that work on the principle that resistance decreases rapidly as temperature rises. They are typically composed of two or three metal oxides mixed in a fluid-like clay and sintered in a high-temperature furnace to form a dense sintered ceramic.
[0003] In existing technologies, liquids or gases in the chemical industry are generally transported through pipelines. Temperature sensors are needed to monitor the medium inside the pipeline in real time to prevent changes in the medium temperature from going unnoticed by workers. When installing an NTC temperature sensor, a pre-drilled hole on the installation pipeline is usually pierced with a Phillips screwdriver. Then, the NTC temperature sensor is tightened into the threaded groove on the installation pipeline using the screw at the end of the NTC temperature sensor. After that, Teflon tape is wrapped around the threaded threads of the sensor to complete the seal and fix the NTC temperature sensor in place. Then, one end of the installation pipeline is fixed to the liquid outlet end of the equipment to be tested by threads. In order to further simplify the installation process and facilitate the fixed installation of the NTC temperature sensor, this invention proposes an NTC temperature sensor that is easy to fix. Summary of the Invention
[0004] The purpose of this invention is to provide a device for easily fixing an NTC temperature sensor in order to solve the problems mentioned in the background above.
[0005] To achieve the above objectives, the present invention provides the following technical solution: a device for facilitating the fixing of an NTC temperature sensor, comprising an installation pipe, and a docking plate fixed at one end of the installation pipe for fixed connection with a docking pipe, the docking pipe being disposed at one end of the docking plate, and a device for temperature detection being fixed at the other end of the docking pipe, a sensor connector for temperature detection being disposed above the installation pipe, and a limiting mechanism disposed on the docking plate and the docking pipe for fixing the sensor connector; The limiting mechanism includes a transmission unit and a limiting unit; The transmission unit is used to provide power for the movement of the limiting unit; The limiting unit is used to fix the sensor connector inserted into the inner cavity of the installation pipe.
[0006] As a further embodiment of the present invention: the limiting unit includes a docking ring, a first limiting block, and a second limiting block; The docking ring is fixed to the top of the installation pipe. A first limiting block and a second limiting block are symmetrically slidably installed in the inner cavity of the docking ring. The first limiting block and the second limiting block are used to fix the outer wall of the sensor connector inserted into the inner cavity of the docking ring.
[0007] As a further embodiment of the present invention: the transmission unit includes a stop rod, a transmission rod, a rotating rod, a swing arm, and a force-bearing rod; The abutment is fixed to the outer wall of the connecting pipe, and the abutment is used to pass through the connecting plate and the connecting pipe to give an axial moving thrust to one end of the first limiting block when they are connected. The transmission rod is fixed to the top of the first limiting block and located in the inner cavity of the docking ring. The transmission rod is used to provide a thrust to one end of the swing arm as the first limiting block moves. The rotating rod is rotatably installed in the inner cavity of the docking ring. A swing arm that passes through the rotating rod is fixed to the inner wall of the bottom end of the rotating rod. The swing arm in the rotating state is used to provide a thrust to a force rod fixed to the top of the second limiting block on one side. The force rod is used to drive the second limiting block and the first limiting block to move closer to each other.
[0008] As a further embodiment of the present invention: the inner cavity of the docking ring is formed with a sliding groove for axial movement of the transmission rod, and the inner cavity of the docking ring is also formed with a space for the swing arm to rotate.
[0009] As a further embodiment of the present invention: the transmission rod and the force-bearing rod are both distributed on the same side of the swing arm.
[0010] A method for using a device that facilitates fixing an NTC temperature sensor, characterized by comprising the following steps: Step 1: Manually hold the sensor connector and insert it into the inner cavity of the installation pipe through the mating ring at the top of the installation pipe. At this point, the mating plate at the end of the installation pipe can be fixedly connected to the connecting pipe with bolts. Step 2: Pass the abutment rod fixed at the end of the docking pipe through the docking plate and contact one end of the first limiting block that is slidably connected to the inner cavity of the docking ring. The docking plate and docking pipe, which are gradually docking, will further exert a squeezing thrust on the first limiting block. Step 3: Move the transmission rod fixed at the top of the first limiting block axially synchronously, so that one end of the transmission rod applies a thrust to one side of the swing arm, causing the swing arm to drive the rotating rod to rotate. The rotating rod will synchronously drive the swing arms distributed on the other side to rotate synchronously, thereby applying a compressive thrust to the force-bearing rods distributed on the same side as the transmission rod. Step 4: Move the force rod to move the second limiting block axially. At this time, the second limiting block and the first limiting block move closer to each other, thereby fixing the sensor connector in the inner cavity of the docking ring and quickly fixing the sensor connector. Compared with the prior art, the beneficial effects of the present invention are: By setting a limiting mechanism, when the sensor needs to be installed, the sensor connector can be inserted into the inner cavity of the docking ring, and then the docking plate can be directly docked with the docking pipe. The abutment rod fixed at the docking end passes through the hole groove of the docking plate and contacts the outer wall of the first limiting block. Through the transmission rod, swing arm, and force rod, the second limiting block is driven to move closer to each other, so that the inner sides of the first and second limiting blocks abut against the outer wall of the annular protrusion of the sensor connector, thus achieving the purpose of quickly installing and fixing the sensor. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the limiting mechanism of the present invention; Figure 3 This is a partial enlarged view of point A in the present invention.
[0012] In the diagram: 1. Installation pipe; 2. Connecting plate; 3. Connecting pipe; 4. Sensor connector; 5. Limiting mechanism; 501. Abutment rod; 502. Connecting ring; 503. First limiting block; 504. Transmission rod; 505. Second limiting block; 506. Rotating rod; 507. Swing arm; 508. Force-bearing rod. Detailed Implementation
[0013] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0014] Please see Figures 1-3 In this embodiment of the invention, a device for facilitating the fixing of an NTC temperature sensor includes an installation pipe 1. The device further includes a docking plate 2 fixed to one end of the installation pipe 1 for fixed connection with a docking pipe 3. The docking pipe 3 is disposed at one end of the docking plate 2, and the other end of the docking pipe 3 is fixed with an instrument to be detected in temperature. A sensor connector 4 for detecting temperature is disposed above the installation pipe 1. The device also includes a limiting mechanism 5 disposed on the docking plate 2 and the docking pipe 3 for fixing the sensor connector 4. The limiting mechanism 5 includes a transmission unit and a limiting unit; The transmission unit is used to provide power for the movement of the limit unit; The limiting unit is used to fix the sensor connector 4 inserted into the inner cavity of the installation pipe 1; The limiting unit includes a docking ring 502, a first limiting block 503, and a second limiting block 505; The docking ring 502 is fixed at the top of the installation pipe 1. The first limiting block 503 and the second limiting block 505 are symmetrically slidably installed in the inner cavity of the docking ring 502. The first limiting block 503 and the second limiting block 505 are used to fix the outer wall of the sensor connector 4 inserted into the inner cavity of the docking ring 502. The transmission unit includes a stop rod 501, a transmission rod 504, a rotating rod 506, a swing arm 507, and a force-bearing rod 508; The abutment 501 is fixed to the outer wall of the connecting pipe 3. The abutment 501 is used to pass through the connecting plate 2 and the connecting pipe 3 to give an axial moving thrust to one end of the first limiting block 503 when the connecting plate 2 and the connecting pipe 3 are connected. The transmission rod 504 is fixed to the top of the first limiting block 503 and located in the inner cavity of the docking ring 502. The transmission rod 504 is used to provide a thrust to one end of the swing arm 507 as the first limiting block 503 moves. The rotating rod 506 is rotatably installed in the inner cavity of the docking ring 502. The bottom inner wall of the rotating rod 506 is fixed with a swing arm 507 that passes through the rotating rod 506. The swing arm 507 in the rotating state is used to provide a thrust to the force rod 508 fixed on one side of the top of the second limiting block 505. The force rod 508 is used to drive the second limiting block 505 and the first limiting block 503 to move closer to each other.
[0015] A method for using a device that facilitates fixing an NTC temperature sensor, characterized by comprising the following steps: The sensor connector 4 is manually inserted into the inner cavity of the installation pipe 1 through the docking ring 502 at the top of the installation pipe 1. At this time, the docking plate 2 at the end of the installation pipe 1 and the docking pipe 3 can be fixedly connected by bolts. The abutment rod 501 fixed at the end of the docking pipe 3 will contact one end of the first limiting block 503 that is slidably connected to the inner cavity of the docking ring 502 through the docking plate 2. The gradually docking docking plate 2 and docking pipe 3 will further exert a squeezing force on the first limiting block 503, causing the transmission rod 504 fixed at the top of the first limiting block 503 to move axially synchronously, so that the transmission... One end of rod 504 provides a thrust to one side of swing arm 507, causing swing arm 507 to drive rotating rod 506 to rotate. The rotating rod 506 will synchronously drive the swing arm 507 distributed on the other side to rotate synchronously, thereby providing a squeezing thrust to the force rod 508 distributed on the same side as the transmission rod 504, causing the force rod 508 to drive the second limiting block 505 to move axially. At this time, the second limiting block 505 and the first limiting block 503 move closer to each other, thereby fixing the sensor connector 4 in the inner cavity of the docking ring 502, achieving the purpose of quickly fixing the sensor connector 4, and further improving work efficiency.
[0016] Please refer to this carefully. Figures 1-3The inner cavity of the docking ring 502 is formed with a groove for the axial movement of the transmission rod 504. The inner cavity of the docking ring 502 is also formed with a space for the swing arm 507 to rotate. The transmission rod 504 and the force rod 508 are both distributed on the same side of the swing arm 507.
[0017] In this embodiment: with this structure, when the swing arm 507 is subjected to the squeezing force from the transmission rod 504, while the swing arm 507 rotates, the other end of the swing arm 507 provides a pushing force to the force rod 508, thereby bringing the first limiting block 503 and the second limiting block 505 closer to each other.
[0018] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.
Claims
1. A device for easy fixed installation of an NTC temperature sensor, comprising an installation conduit (1), characterized in that, It also includes a docking plate (2) fixed at one end of the installation pipe (1) for fixed connection with the docking pipe (3), the docking pipe (3) is set at one end of the docking plate (2), the other end of the docking pipe (3) is fixed with an instrument to be detected in temperature, a sensor connector (4) for detecting temperature is set above the installation pipe (1), and a limiting mechanism (5) set on the docking plate (2) and the docking pipe (3) for fixing the sensor connector (4); The limiting mechanism (5) includes a transmission unit and a limiting unit; The transmission unit is used to provide power for the movement of the limiting unit; The limiting unit is used to fix the sensor connector (4) inserted into the inner cavity of the installation pipe (1).
2. The device for easily fixing an NTC temperature sensor according to claim 1, characterized in that, The limiting unit includes a docking ring (502), a first limiting block (503), and a second limiting block (505); The docking ring (502) is fixed at the top of the installation pipe (1). The inner cavity of the docking ring (502) is symmetrically and slidably equipped with a first limiting block (503) and a second limiting block (505). The first limiting block (503) and the second limiting block (505) are used to fix the outer wall of the sensor connector (4) inserted into the inner cavity of the docking ring (502).
3. The device for easily fixing an NTC temperature sensor according to claim 1, characterized in that, The transmission unit includes a stop rod (501), a transmission rod (504), a rotating rod (506), a swing arm (507), and a force-bearing rod (508). The abutment (501) is fixed to the outer wall of the docking pipe (3). The abutment (501) is used to pass through the docking plate (2) and the docking pipe (3) to give an axial moving thrust to one end of the first limiting block (503) when the docking plate (2) and the docking pipe (3) are docked.
4. The device for easily fixing an NTC temperature sensor according to claim 3, characterized in that, The transmission rod (504) is fixed at the top of the first limiting block (503) and located in the inner cavity of the docking ring (502). The transmission rod (504) is used to give a thrust to one end of the swing arm (507) as the first limiting block (503) moves.
5. A device for easily fixing an NTC temperature sensor according to claim 3 or 4, characterized in that, The rotating rod (506) is rotatably installed in the inner cavity of the docking ring (502). The bottom inner wall of the rotating rod (506) is fixed with a swing arm (507) that passes through the rotating rod (506). In the rotating state, the swing arm (507) is used to give a thrust to the force rod (508) fixed on one side of the second limiting block (505).
6. The device for easily fixing an NTC temperature sensor according to claim 5, characterized in that, The force-bearing rod (508) is used to drive the second limiting block (505) and the first limiting block (503) to move closer to each other.
7. The device for easily fixing an NTC temperature sensor according to claim 3, characterized in that, The inner cavity of the docking ring (502) is formed with a groove for the axial movement of the transmission rod (504), and the inner cavity of the docking ring (502) is also formed with a space for the swing arm (507) to rotate.
8. The device for easily fixing an NTC temperature sensor according to claim 3, characterized in that, The transmission rod (504) and the force-bearing rod (508) are both located on the same side of the swing arm (507).
9. A method of using the apparatus as described in claims 1 to 8, characterized in that, Includes the following steps: Step 1: Manually hold the sensor connector and insert it into the inner cavity of the installation pipe through the mating ring at the top of the installation pipe. At this point, the mating plate at the end of the installation pipe can be fixedly connected to the connecting pipe with bolts. Step 2: Pass the abutment rod fixed at the end of the docking pipe through the docking plate and contact one end of the first limiting block that is slidably connected to the inner cavity of the docking ring. The docking plate and docking pipe, which are gradually docking, will further exert a squeezing thrust on the first limiting block. Step 3: Move the transmission rod fixed at the top of the first limiting block axially synchronously, so that one end of the transmission rod applies a thrust to one side of the swing arm, causing the swing arm to drive the rotating rod to rotate. The rotating rod will synchronously drive the swing arms distributed on the other side to rotate synchronously, thereby applying a compressive thrust to the force-bearing rods distributed on the same side as the transmission rod. Step 4: Move the force rod to move the second limiting block axially. At this time, the second limiting block and the first limiting block move closer to each other, thereby fixing the sensor connector in the inner cavity of the docking ring and quickly fixing the sensor connector.