Pressure and temperature sensor with multiple sealing functions
By introducing reinforced sealing and stabilizing mechanisms into the pressure and temperature sensor, the problem of sealing failure caused by loose connections is solved, resulting in higher connection tightness and service life.
Patent Information
- Application Number
- CN202520401253.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing pressure and temperature sensors lack auxiliary sealing reinforcement at the connection between the liquid inlet pipe and the sensor body, which can easily lead to seal failure due to loosening.
A reinforcement and sealing mechanism and a stabilizing mechanism were designed, including a mounting sleeve, a cast iron reinforcement plate, a threaded rod, and an L-shaped reinforcement sleeve. Through the cooperation of the threaded connection and the stabilizing mechanism, the tightness and stability of the connection parts are ensured.
It effectively avoids sealing failure caused by loosening, and improves the tightness and service life of the connection parts.
Smart Images

Figure CN223796064U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field, specifically to a pressure and temperature sensor with multiple sealing functions. Background Technology
[0002] The temperature and pressure sensor is an integrated sensor. This sensor integrates temperature and pressure into a single structure, allowing simultaneous measurement of the medium's pressure and temperature at the same point. It is suitable for applications where the medium's temperature must be measured simultaneously with the pressure measurement.
[0003] For example, Chinese patent application number 202321547215.6 discloses a pressure and temperature sensor, including: an anti-slip plate, the bottom of which is fixedly connected to a supporting sleeve, the inner bottom of which has an internal thread; a detachable T-shaped sleeve, the top outer wall of which has an external thread that mates with the internal thread, and the bottom of which has a liquid inlet hole; a fixed baffle is fixedly connected inside the anti-slip plate, a water pressure sensor is installed on the fixed baffle, and a temperature sensor is installed on the fixed baffle through a rigid pipe; both the temperature sensor and the water pressure sensor are connected to a mounting connector on the top of the anti-slip plate via wiring. The detachable T-shaped sleeve has multiple liquid inlets at its bottom, preventing large debris from entering the supporting sleeve. If the liquid inlets become blocked, the detachable T-shaped sleeve can be disassembled for cleaning and reinstallation or direct replacement, thus extending the device's service life.
[0004] However, during use, the connection between the liquid inlet pipe and the pressure and temperature sensor body lacks auxiliary sealing reinforcement, which may lead to seal failure due to loosening. Therefore, those skilled in the art have provided a pressure and temperature sensor with multiple sealing functions to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this invention is to provide a pressure and temperature sensor with multiple sealing functions to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] A pressure and temperature sensor with multiple sealing functions includes a pressure and temperature sensor body, a connecting reinforcement sleeve fixed to the bottom of the pressure and temperature sensor body, a liquid inlet pipe fixed to the bottom of the connecting reinforcement sleeve, a sealing connection sleeve provided at the bottom of the connecting reinforcement sleeve, a reinforcing sealing mechanism connected to the bottom of the sealing connection sleeve, and a stabilizing mechanism provided on the outside of the sealing connection sleeve.
[0008] The reinforced sealing mechanism includes a mounting sleeve, a mounting block fixed to the outer side of the mounting sleeve, a mounting reinforcement sleeve hinged to the outer side of the mounting sleeve, a first cast iron reinforcement plate fixed to the outer side of the mounting sleeve, a second cast iron reinforcement plate fixed to the outer side of the mounting reinforcement sleeve, a first cast iron semi-threaded rod mounted to the outer side of the first cast iron reinforcement plate, a second cast iron semi-threaded rod fixed to the outer side of the second cast iron reinforcement plate, a mounting sleeve movably sleeved to the outer sides of the first and second cast iron semi-threaded rods, and a cast iron threaded sleeve threadedly connected to the outer sides of the first and second cast iron semi-threaded rods.
[0009] As a further embodiment of this utility model: the stabilizing mechanism includes an L-shaped reinforcing sleeve, the inside of which is provided with a positioning groove, a mounting threaded post is fixed to the outside of the connecting reinforcing sleeve, a gasket is movably sleeved on the outside of the mounting threaded post, and a positioning threaded sleeve is threadedly connected to the outside of the mounting threaded post.
[0010] As a further embodiment of this utility model: the L-shaped reinforcing sleeve and the sealing connecting sleeve are fixedly connected, and the corresponding surface of the L-shaped reinforcing sleeve is fitted to the outer side of the connecting reinforcing sleeve.
[0011] As a further improvement of this utility model: the size of the positioning groove is adapted to the size of the mounting threaded post, and the outer side of the positioning threaded sleeve is provided with anti-slip texture.
[0012] As a further embodiment of this utility model: the mounting fixing sleeve and the sealing connecting sleeve are fixedly connected, and the mounting fixing block and the sealing connecting sleeve are fixedly connected.
[0013] As a further embodiment of this utility model: the radius of the first cast iron semi-threaded rod is equal to the radius of the second cast iron semi-threaded rod, and the corresponding surfaces of the first cast iron semi-threaded rod and the second cast iron semi-threaded rod are in contact.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This device is equipped with a reinforcement and sealing mechanism. After the pressure and temperature sensor body and the liquid inlet pipe are connected, the reinforcement sleeve and the fixing sleeve can be easily installed and fixed. The reinforcement sleeve and the fixing sleeve fit tightly against the outside of the liquid inlet pipe, which plays an auxiliary role in sealing and reinforcement, ensuring the tightness of the connection and avoiding sealing failure due to loosening.
[0016] 2. This device is equipped with a stabilizing mechanism, which facilitates the fixing of the L-shaped reinforcing sleeve, further reinforces the outside of the connecting reinforcing sleeve, and also plays an auxiliary sealing role. Attached Figure Description
[0017] Figure 1A three-dimensional view of a pressure and temperature sensor with multiple sealing functions;
[0018] Figure 2 This is a schematic diagram of the outer structure of the connecting reinforcement sleeve in a pressure and temperature sensor with multiple sealing functions.
[0019] Figure 3 for Figure 2 Enlarged schematic diagram of region A;
[0020] Figure 4 for Figure 2 A magnified diagram of region B.
[0021] In the diagram: 1. Pressure and temperature sensor body; 2. Connecting and reinforcing sleeve; 3. Liquid inlet pipe; 4. Sealing connecting sleeve; 5. Reinforcing and sealing mechanism; 51. Mounting and fixing sleeve; 52. Mounting and fixing block; 53. Mounting and reinforcing sleeve; 54. First cast iron reinforcing plate; 55. Second cast iron reinforcing plate; 56. First cast iron semi-threaded rod; 57. Second cast iron semi-threaded rod; 58. Mounting sleeve; 59. Cast iron threaded sleeve; 6. Stabilizing mechanism; 61. L-shaped reinforcing sleeve; 62. Positioning groove; 63. Mounting threaded post; 64. Gasket; 65. Positioning threaded sleeve. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1-4 In this embodiment of the present invention, a pressure and temperature sensor with multiple sealing functions includes a pressure and temperature sensor body 1, a connecting reinforcement sleeve 2 fixed to the bottom of the pressure and temperature sensor body 1, an inlet pipe 3 fixed to the bottom of the connecting reinforcement sleeve 2, a sealing connecting sleeve 4 provided at the bottom of the connecting reinforcement sleeve 2, a reinforcing sealing mechanism 5 connected to the bottom of the sealing connecting sleeve 4, and a stabilizing mechanism 6 provided on the outside of the sealing connecting sleeve 4.
[0024] The reinforcing sealing mechanism 5 includes a mounting sleeve 51, a mounting block 52 fixed to the outside of the mounting sleeve 51, a mounting reinforcement sleeve 53 hinged to the outside of the mounting sleeve 51, a first cast iron reinforcement plate 54 fixed to the outside of the mounting sleeve 51, a second cast iron reinforcement plate 55 fixed to the outside of the mounting reinforcement sleeve 53, a first cast iron semi-threaded rod 56 mounted to the outside of the first cast iron reinforcement plate 54, and a second cast iron semi-threaded rod 57 fixed to the outside of the second cast iron reinforcement plate 55. The outer sides of the iron semi-threaded rod 56 and the second cast iron semi-threaded rod 57 are movably sleeved with an installation sleeve 58. The outer sides of the first cast iron semi-threaded rod 56 and the second cast iron semi-threaded rod 57 are threadedly connected with a cast iron threaded sleeve 59. The mounting fixing sleeve 51 and the sealing connecting sleeve 4 are fixedly connected. The mounting fixing block 52 and the sealing connecting sleeve 4 are fixedly connected. The radius of the first cast iron semi-threaded rod 56 is equal to the radius of the second cast iron semi-threaded rod 57. The corresponding surfaces of the first cast iron semi-threaded rod 56 and the second cast iron semi-threaded rod 57 are in contact.
[0025] In one embodiment of this utility model, the stabilizing mechanism 6 includes an L-shaped reinforcing sleeve 61. The L-shaped reinforcing sleeve 61 has a positioning groove 62 inside. A mounting threaded post 63 is fixed to the outer side of the connecting reinforcing sleeve 2. A gasket 64 is movably sleeved on the outer side of the mounting threaded post 63. A positioning threaded sleeve 65 is threadedly connected to the outer side of the mounting threaded post 63. The L-shaped reinforcing sleeve 61 and the sealing connecting sleeve 4 are fixedly connected. The corresponding surface of the L-shaped reinforcing sleeve 61 fits against the outer side of the connecting reinforcing sleeve 2. The size of the positioning groove 62 is adapted to the size of the mounting threaded post 63. The outer side of the positioning threaded sleeve 65 is provided with anti-slip texture.
[0026] The working principle of this utility model is as follows: This device is equipped with a reinforcing and sealing mechanism 5. After the pressure and temperature sensor body 1 and the liquid inlet pipe 3 are connected, the outer side of the connection between the pressure and temperature sensor body 1 and the liquid inlet pipe 3 is secured by a reinforcing sleeve 2 and a sealing connecting sleeve 4 to ensure stable locking and sealing of the connection. At the same time, a mounting and fixing sleeve 51 is provided at the bottom of the sealing connecting sleeve 4. The corresponding surface of the mounting and fixing sleeve 51 is attached to the outer side of the liquid inlet pipe 3. Then, the mounting and reinforcing sleeve 53 on the outer side of the mounting and fixing sleeve 51 is rotated so that the corresponding surface of the mounting and reinforcing sleeve 53 is attached to the mounting and fixing sleeve 51. The second cast iron semi-threaded rod 57 on the outer side of the second cast iron reinforcing plate 55 and the first cast iron semi-threaded rod 56 on the outer side of the first cast iron reinforcing plate 54 can form a threaded column, so that the cast iron threaded sleeve 59 is threadedly connected to the first cast iron semi-threaded rod 56 and the second cast iron semi-threaded rod 57, which facilitates the installation. The fixed sleeve 53 and the mounting fixed sleeve 51 are fixed together, and the mounting reinforced sleeve 53 and the mounting fixed sleeve 51 fit tightly against the outside of the liquid inlet pipe 3, which plays an auxiliary role in sealing and reinforcing, ensuring the tightness of the connection and avoiding sealing failure due to loosening. The device is equipped with a stabilizing mechanism 6. After the pressure and temperature sensor body 1 and the liquid inlet pipe 3 are fixedly connected by the connecting reinforced sleeve 2 and the sealing connecting sleeve 4, an L-shaped reinforced sleeve 61 is fixed on the outside of the sealing connecting sleeve 4. The corresponding surface of the L-shaped reinforced sleeve 61 fits against the outside of the connecting reinforced sleeve 2, and the L-shaped reinforced sleeve 61 is movably sleeved on the outside of the mounting threaded post 63. The gasket 64 can be movably sleeved on the outside of the mounting threaded post 63, and the positioning threaded sleeve 65 is threadedly connected to the mounting threaded post 63, which can easily complete the fixing of the L-shaped reinforced sleeve 61, further reinforcing the outside of the connecting reinforced sleeve 2, and at the same time playing an auxiliary sealing role.
[0027] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.
Claims
1. A pressure temperature sensor having a multiple sealing function, comprising a pressure temperature sensor main body (1), characterized by, The bottom of the pressure temperature sensor body (1) is fixedly connected with a connecting reinforcing sleeve (2), the bottom of the connecting reinforcing sleeve (2) is fixedly connected with a liquid inlet pipeline (3), the bottom of the connecting reinforcing sleeve (2) is provided with a sealing connecting sleeve (4), the bottom of the sealing connecting sleeve (4) is connected with a reinforcing sealing mechanism (5), and the outer side of the sealing connecting sleeve (4) is provided with a stabilizing mechanism (6). The reinforcing sealing mechanism (5) comprises a mounting fixing sleeve (51), the outer side of the mounting fixing sleeve (51) is fixedly connected with a mounting fixing block (52), the outer side of the mounting fixing sleeve (51) is hingedly connected with a mounting reinforcing sleeve (53), the outer side of the mounting fixing sleeve (51) is fixedly connected with a first cast iron reinforcing plate (54), the outer side of the mounting reinforcing sleeve (53) is fixedly connected with a second cast iron reinforcing plate (55), the outer side of the first cast iron reinforcing plate (54) is mounted with a first cast iron half-threaded rod (56), the outer side of the second cast iron reinforcing plate (55) is fixedly connected with a second cast iron half-threaded rod (57), the outer sides of the first cast iron half-threaded rod (56) and the second cast iron half-threaded rod (57) are movably sleeved with a mounting sleeve (58), and the outer sides of the first cast iron half-threaded rod (56) and the second cast iron half-threaded rod (57) are threadedly connected with a cast iron threaded sleeve (59).
2. The pressure and temperature sensor with multiple sealing function according to claim 1, wherein, The stabilizing mechanism (6) comprises an L-shaped reinforcing sleeve (61), the inside of the L-shaped reinforcing sleeve (61) is provided with a positioning groove (62), the outer side of the connecting reinforcing sleeve (2) is fixedly connected with a mounting threaded column (63), the outer side of the mounting threaded column (63) is movably sleeved with a gasket (64), and the outer side of the mounting threaded column (63) is threadedly connected with a positioning threaded sleeve (65).
3. The pressure and temperature sensor with multiple sealing function according to claim 2, wherein, The L-shaped reinforcing sleeve (61) is fixedly connected with the sealing connecting sleeve (4), and the corresponding faces of the L-shaped reinforcing sleeve (61) and the connecting reinforcing sleeve (2) are attached.
4. The pressure and temperature sensor with multiple sealing function according to claim 2, wherein, The size of the positioning groove (62) is matched with the size of the mounting threaded column (63), and the outer side of the positioning threaded sleeve (65) is provided with anti-skid lines.
5. The pressure and temperature sensor with multiple sealing function according to claim 1, wherein, The mounting fixing sleeve (51) is fixedly connected with the sealing connecting sleeve (4), and the mounting fixing block (52) is fixedly connected with the sealing connecting sleeve (4).
6. The pressure and temperature sensor with multiple sealing function according to claim 1, wherein, The radius of the first cast iron half-threaded rod (56) is equal to the radius of the second cast iron half-threaded rod (57), and the corresponding faces of the first cast iron half-threaded rod (56) and the second cast iron half-threaded rod (57) are attached.
Citation Information
Patent Citations
Pressure and temperature sensor
CN220206742U