A temperature transmitter with a protective structure

Abstract

The present invention relates to the technical field of temperature transmitters, and particularly to a temperature transmitter with a protection structure, including a transmitter body and sealing caps threadedly arranged at both ends of the transmitter body. A protection mechanism for sealing and protecting the sealing caps is provided on the transmitter body. The protection mechanism includes a movable snap ring movably sleeved on the outer side of one side of the sealing cap and slidably connected to the transmitter body, and a limiting ring body arranged on one side of the movable block and fixed to the sealing cap. An annular groove matching the movable snap ring is formed on one side of the limiting ring body. The present invention is beneficial to improving the sealing and protection performance of the temperature transmitter, prolonging the service life of the temperature transmitter, effectively avoiding the risk of a gap appearing at the connection between the temperature transmitter and the sealing cap at its end, preventing the situation where the sealing performance of the transmitter decreases and internal failures occur, enhancing the stability of the sealing cap installed on the transmitter body while greatly enhancing the sealing effect of the sealing cap.

Description

Technical Field

[0001] The present invention relates to the technical field of temperature transmitters, and in particular to a temperature transmitter with a protection structure. Background Art

[0002] A temperature transmitter is an instrument that converts a temperature variable into a standardized output signal that can be transmitted, and is mainly used for measuring and controlling temperature parameters in industrial processes. Currently, the temperature transmitter is usually fixed by threaded connection with the sealing caps at both ends. However, since the temperature transmitter works in an environment with a relatively high temperature, there is a risk and probability that a gap will appear at the connection between the sealing cap and the temperature transmitter, resulting in a decrease in the sealing performance of the temperature transmitter and causing internal failures, which affects the service life of the temperature transmitter. Summary of the Invention

[0003] Aiming at the deficiencies of the prior art, the present invention provides a temperature transmitter with a protection structure, which solves the risk and probability of a gap appearing at the connection between the existing temperature transmitter and its sealing cap, resulting in a decrease in the sealing performance of the temperature transmitter and causing internal failures, and achieves the purpose of extending the service life of the temperature transmitter.

[0004] To solve the above technical problems, the present invention provides the following technical solution: A temperature transmitter with a protection structure includes a transmitter body, and sealing cap bodies threadedly provided at both ends of the transmitter body. A protection mechanism for sealing and protecting the sealing cap bodies is provided on the transmitter body.

[0005] The protection mechanism includes a movable snap ring movably sleeved on the outer side of one side of the sealing cap body and slidably connected to the transmitter body, and a limiting ring body provided on one side of the movable snap ring and fixed to the sealing cap body. An annular groove matching the movable snap ring is opened on one side of the limiting ring body. Limiting card slots are opened on both surfaces of the movable snap ring. A clamping component for locking the movable snap ring is provided on the limiting ring body. A square groove is opened in the middle of the top of the transmitter body. The protection mechanism further includes a connecting component provided between the two movable snap rings.

[0006] Further, the clamping component includes movable clamping blocks provided on both sides of the movable snap ring and matching the limiting card slots, and a limiting frame provided on the outer side of the movable clamping blocks and fixed to the limiting ring body. The movable clamping blocks are slidably connected in the limiting frame. Return springs fixed to the limiting ring body are fixed at both ends of the movable clamping blocks. An movable pull rod fixed to the movable clamping blocks is provided between the two return springs. An adjusting component for adjusting the position of the movable pull rod is provided on the limiting ring body.

[0007] Further, the adjusting assembly includes an arc-shaped housing fixedly arranged at the top of the limiting ring body, and an arc-shaped pull rod slidably arranged inside the arc-shaped housing. A first screw cap is arranged at the top of the arc-shaped housing.

[0008] Further, a threaded vertical rod is fixed to the bottom of the first screw cap. A threaded hole is formed on the surface of the top of the arc-shaped pull rod. The threaded vertical rod penetrates through the arc-shaped housing and is threadedly connected to the threaded hole.

[0009] Further, limiting pull blocks are arranged at both ends of the bottom of the arc-shaped pull rod. One end of the movable pull rod penetrates through the limiting ring body and is fixedly connected to the limiting pull block. Limiting push grooves are formed on one side of each of the two limiting pull blocks. The two ends of the arc-shaped pull rod respectively match with the two limiting push grooves.

[0010] Further, a ring-shaped pad matching the movable snap ring is fixedly bonded to one side of the sealing cover body.

[0011] Further, the connecting assembly includes a movable rotating rod arranged inside the square groove, and movable connecting rods arranged at both ends of the movable rotating rod. Connecting blocks one are fixed at both ends of the movable rotating rod and are hinged to one end of the movable connecting rod. The other end of the movable connecting rod is hinged to a connecting block two fixed to the movable snap ring. Magnetic blocks which are staggered from each other and fixed to the transmitter body are magnetically connected to both ends of the movable rotating rod.

[0012] Further, a second screw cap is arranged in the middle of the top of the transmitter body. A rotating vertical shaft which is rotatably connected to the transmitter body through a bearing is fixed to the bottom of the second screw cap. The bottom of the rotating vertical shaft is fixedly connected to the middle of the movable rotating rod.

[0013] By means of the above technical solution, the present invention provides a temperature transmitter with a protection structure, and at least has the following beneficial effects:

[0014] 1. The present invention seals and protects the sealing cover body at the end of the transmitter body by arranging a protection mechanism. The movable snap ring can be moved to tightly engage with the limiting ring body on the sealing cover body. While the sealing cover body and the transmitter body are more stable through threaded connection, the sealing effect between the sealing cover body and the transmitter body is better. The structure is reasonable and simple, which is beneficial to improving the sealing and protection performance of the temperature transmitter, prolonging the service life of the temperature transmitter, effectively avoiding the risk and probability of the connection between the temperature transmitter and the sealing cover at its end being cracked, and preventing the situation that the internal failure of the temperature transmitter occurs due to the decline of its sealing performance.

[0015] 2. The present invention adjusts the position of the movable snap ring in the annular groove of the limit ring body by setting a connection component. Rotating the second screw cap drives the movable rotating rod to rotate. The movable rotating rod pushes the movable connecting rods at both ends thereof through the first connecting block. The movable connecting rods push the movable snap ring through the second connecting block to adjust the position of the movable snap ring in the annular groove of the limit ring body. Thus, the movable snap ring and the limit ring body are tightly clamped with each other, and the operation is convenient and fast, making the fixing of the sealing cover body and the transmitter body more stable, and more rapid and convenient during use.

[0016] 3. The present invention fixes the movable snap ring on the limit ring body by setting a clamping component. After the movable snap ring is sleeved on the sealing cover body, the movable clamping block pops into the inner side of the limit clamping groove, and the movable clamping block clamps the movable snap ring on the limit ring body, making the fixing of the movable snap ring more stable. While improving the stability of the sealing cover body installed on the transmitter body, the sealing effect of the sealing cover body is greatly enhanced for easy use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 is a front three-dimensional sectional view of the present invention;

[0020] Figure 3 is a partial exploded view of the present invention;

[0021] Figure 4 is a partial exploded view of the protection mechanism of the present invention;

[0022] Figure 5 is an exploded view of the connection component of the present invention;

[0023] Figure 6 is Figure 3 an enlarged structural view of part A of

[0024] In the figure: 1. Transmitter body; 2. Sealing cover body; 3. Protection mechanism; 31. Movable snap ring; 32. Limiting ring body; 33. Annular groove; 34. Limiting card slot; 35. Clamping component; 351. Movable clamping block; 352. Limiting frame body; 353. Return spring; 354. Movable pull rod; 355. Adjusting component; 3551. Arc-shaped housing; 3552. Arc-shaped pull rod; 3553. First screw cap; 3554. Threaded vertical rod; 3555. Threaded hole; 3556. Limiting pull block; 3557. Limiting push groove; 36. Square groove; 37. Connecting component; 371. Movable rotating rod; 372. Movable connecting rod; 373. First connecting block; 374. Second connecting block; 375. Magnetic block; 376. Second screw cap; 377. Rotating vertical shaft; 4. Annular gasket. Detailed implementation manner

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1 - 6 , the present invention provides a temperature transmitter with a protection structure, including a transmitter body 1 and sealing cover bodies 2 threadedly arranged at both ends of the transmitter body 1. The transmitter body 1 and the sealing cover bodies 2 are both prior arts and are common knowledge within the technical field. Their internal structures will not be elaborated too much in this solution. A protection mechanism 3 for sealing and protecting the sealing cover bodies 2 is provided on the transmitter body 1. An annular gasket 4 matching the movable snap ring 31 is fixedly adhered to one side of the sealing cover body 2. The material for making the annular gasket 4 includes heat-resistant soft rubber material.

[0027] The protection mechanism 3 is used to seal and protect the sealing cover bodies 2 at the ends of the transmitter body 1. The movable snap ring 31 that can move is tightly clamped with the limiting ring bodies 32 on the sealing cover bodies 2. While the sealing cover bodies 2 and the transmitter body 1 are more stable through threaded connection, the sealing effect between the sealing cover bodies 2 and the transmitter body 1 is better, and the service life of the temperature transmitter is prolonged.

[0028] The protection mechanism 3 includes a movable snap ring 31 movably sleeved on the outer side of one side of the sealing cover body 2 and slidably connected to the transmitter body 1, and a limiting ring body 32 arranged on one side of the movable snap ring 31 and fixed to the sealing cover body 2. An annular groove 33 matching the movable snap ring 31 is formed on one side of the limiting ring body 32. The movable snap ring 31 is slidably connected inside the annular groove 33, and the movable snap ring 31 is mutually attached to one side of the sealing cover body 2. Limiting card slots 34 are formed on both surfaces of the movable snap ring 31. A clamping component 35 for locking the movable snap ring 31 is arranged on the limiting ring body 32. A square groove 36 is formed in the middle of the top of the transmitter body 1. The protection mechanism 3 further includes a connecting component 37 arranged between the two movable snap rings 31. By pushing the movable snap ring 31 towards the sealing cover body 2 through the connecting component 37, the movable snap ring 31 moves to the inside of the annular groove 33 on one side of the limiting ring body 32. By mutually clamping the movable snap ring 31 and the limiting ring body 32 on the sealing cover body 2, the sealing effect between the sealing cover body 2 and the transmitter body 1 is better.

[0029] Specifically, the connecting component 37 includes a movable rotating rod 371 arranged inside the square groove 36, and movable connecting rods 372 arranged at both ends of the movable rotating rod 371. Connecting blocks one 373 hinged to one end of the movable connecting rod 372 are fixed at both ends of the movable rotating rod 371. A connecting block two 374 hinged to the other end of the movable connecting rod 372 and fixed to the movable snap ring 31 is arranged at the other end of the movable connecting rod 372. Magnetic blocks 375 which are mutually staggered and fixed to the transmitter body 1 are magnetically connected to both ends of the movable rotating rod 371. A second screw cap 376 is arranged in the middle of the top of the transmitter body 1. A rotating vertical shaft 377 fixed to the transmitter body 1 and rotatably connected through a bearing is fixed to the bottom of the second screw cap 376. The bottom of the rotating vertical shaft 377 is fixedly connected to the middle of the movable rotating rod 371. Both ends of the movable connecting rod 372 are movably hinged to the movable rotating rod 371 and the movable snap ring 31 through the connecting block one 373 and the connecting block two 374 respectively. When the inclination angle of the movable connecting rod 372 changes while the movable rotating rod 371 rotates, the movable connecting rod 372 is perpendicular to the movable snap ring 31, and at the same time, the movable rotating rod 371 is also perpendicular to the movable snap ring 31. The end of the movable rotating rod 371 is fixed to the magnetic block 375 through magnetic connection, so that the movable connecting rod 372 presses against the movable snap ring 31 more stably.

[0030] Specifically, the clamping assembly 35 includes movable clamping blocks 351 arranged on both sides of the movable snap ring 31 and matching with the limit card slots 34, and a limit frame arranged outside the movable clamping blocks 351 and fixed to the limit ring body 32. The movable clamping blocks 351 are slidably connected within the limit frame body 352. Reset springs 353 fixed to the limit ring body 32 are fixed at both ends of the movable clamping blocks 351. An activity pull rod 354 fixed to the movable clamping blocks 351 is arranged between the two reset springs 353. An adjusting assembly 355 for adjusting the position of the activity pull rod 354 is arranged on the limit ring body 32. The movable clamping blocks 351 move inside the limit frame, improving the stability of the movable clamping blocks 351 during movement.

[0031] Furthermore, the adjusting assembly 355 includes an arc-shaped housing 3551 fixedly arranged on the top of the limit ring body 32, and an arc-shaped pull rod 3552 slidably arranged inside the arc-shaped housing 3551. A first screw cap 3553 is arranged on the top of the arc-shaped housing 3551. A threaded vertical rod 3554 is fixed to the bottom of the first screw cap 3553. A threaded hole 3555 is formed on the top surface of the arc-shaped pull rod 3552. The threaded vertical rod 3554 passes through the arc-shaped housing 3551 and is threadedly connected with the threaded hole 3555. Limit pull blocks 3556 are arranged at both ends of the bottom of the arc-shaped pull rod 3552. One end of the activity pull rod 354 passes through the limit ring body 32 and is fixedly connected with the limit pull block 3556. Limit push grooves 3557 are formed on one side of the two limit pull blocks 3556. The two ends of the arc-shaped pull rod 3552 respectively match with the two limit push grooves 3557. The inclined surface at the end of the arc-shaped pull rod 3552 matches with the inclined surface on the limit push groove 3557. When the arc-shaped pull rod 3552 moves downward and enters the limit push groove 3557 on one side of the limit pull block 3556, it pushes the limit pull block 3556 to move horizontally. Before the installation of the sealing cover body 2, the two ends of the arc-shaped pull rod 3552 are inserted into the limit push grooves 3557 on one side of the two limit pull blocks 3556. The limit pull block 3556 drives the activity pull rod 354 to move. The activity pull rod 354 compresses the reset spring 353, and the reset spring 353 generates elastic deformation, and the reset spring 353 is in a compressed state.

[0032] During the installation of the present invention, first, two sealing cover bodies 2 are respectively screwed tightly onto both ends of the transmitter body 1. Then, the second screw cap 376 is rotated. The second screw cap 376 drives the rotating vertical shaft 377 at its bottom to rotate. The rotating vertical shaft 377 drives the movable rotating rod 371 at its bottom to rotate. Since both ends of the movable connecting rod 372 are respectively movably hinged to the movable rotating rod 371 and the movable snap ring 31 through the first connecting block 373 and the second connecting block 374, the movable rotating rod 371 drives the first connecting blocks 373 at both of its ends to move. The two first connecting blocks 373 respectively drive the movable connecting rods 372 on one side of them to move, and the inclination angle of the movable connecting rod 372 changes. The movable connecting rod 372 pushes the second connecting block 374 at its other end to move. The second connecting block 374 pushes the movable snap ring 31 to move, and the movable snap ring 31 slides on the outer side of the transmitter body 1;

[0033] When the movable snap ring 31 completely enters the inner side of the annular groove 33 on one side of the limit ring body 32, the movable snap ring 31 contacts the annular gasket 4 on one side of the sealing cover body 2. Then, the first screw cap 3553 is rotated. The first screw cap 3553 drives the threaded vertical rod 3554 at its bottom to rotate. The threaded vertical rod 3554 rotates in the threaded hole 3555 at the top of the arc-shaped pull rod 3552. While the threaded vertical rod 3554 rotates, it drives the arc-shaped pull rod 3552 to move upward. The arc-shaped pull rod 3552 moves upward inside the arc-shaped housing 3551. The two ends of the arc-shaped pull rod 3552 are respectively pulled out from the inside of the limit push grooves 3557 on one side of the two limit pull blocks 3556. The limit pull blocks 3556 lack the clamping of the arc-shaped pull rod 3552, and the return spring 353 restores its elastic deformation. The return spring 353 pushes the movable clamping block 351 to move inside the limit frame. At the same time, the movable clamping block 351 drives the movable pull rod 354 to move. The movable pull rod 354 drives the limit pull block 3556 to move to fit with the limit ring body 32, and the movable clamping block 351 enters the limit clamping groove 34 on the side of the movable snap ring 31, clamping the movable snap ring 31 tightly inside the limit ring body 32.

[0034] It should be noted that in this article, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or further includes elements inherent to such process, method, article or device.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature transmitter with a protective structure, comprising a transmitter body (1) and sealing covers (2) threadedly provided at both ends of the transmitter body (1), characterized in that: A protection mechanism (3) for sealing and protecting the sealing cover body (2) is provided on the transmitter body (1); The protection mechanism (3) includes a movable snap ring (31) that is movably sleeved on the outside of one side of the sealing cover body (2) and is slidably connected to the transmitter body (1), and a limiting ring body (32) that is provided on one side of the movable snap ring (31) and is fixed to the sealing cover body (2). An annular groove (33) matching the movable snap ring (31) is formed on one side of the limiting ring body (32). Limiting card slots (34) are formed on both side surfaces of the movable snap ring (31). A clamping component (35) for locking the movable snap ring (31) is provided on the limiting ring body (32). A square groove (36) is formed in the middle of the top of the transmitter body (1). The protection mechanism (3) further includes a connecting component (37) arranged between the two movable snap rings (31); The clamping component (35) includes movable clamping blocks (351) arranged on both sides of the movable snap ring (31) and matching the limiting card slots (34), and a limiting frame fixed to the limiting ring body (32) on the outside of the movable clamping blocks (351). The movable clamping blocks (351) are slidably connected within the limiting frame body (352). Return springs (353) fixed to the limiting ring body (32) are fixed to both ends of the movable clamping blocks (351). An movable pull rod (354) fixed to the movable clamping blocks (351) is arranged between the two return springs (353). An adjusting component (355) for adjusting the position of the movable pull rod (354) is provided on the limiting ring body (32); The connecting component (37) includes a movable rotating rod (371) arranged inside the square groove (36), and movable connecting rods (372) arranged at both ends of the movable rotating rod (371).

2. The temperature transmitter with a protection structure according to claim 1, wherein: The adjusting component (355) includes an arc-shaped shell (3551) fixedly arranged on the top of the limiting ring body (32), and an arc-shaped pull rod (3552) slidably arranged inside the arc-shaped shell (3551). A first screw cap (3553) is provided on the top of the arc-shaped shell (3551).

3. The temperature transmitter with a protection structure according to claim 2, wherein: A threaded vertical rod (3554) is fixed to the bottom of the first screw cap (3553). A threaded hole (3555) is formed on the top surface of the arc-shaped pull rod (3552). The threaded vertical rod (3554) passes through the arc-shaped shell (3551) and is threadedly connected to the threaded hole (3555).

4. A temperature transmitter with a protection structure according to claim 3, characterized in that: Limiting pull blocks (3556) are arranged at both ends of the bottom of the arc-shaped pull rod (3552). One end of the movable pull rod (354) passes through the limiting ring body (32) and is fixedly connected to the limiting pull block (3556). Limiting push grooves (3557) are formed on one side of each of the two limiting pull blocks (3556). Both ends of the arc-shaped pull rod (3552) respectively match the two limiting push grooves (3557).

5. A temperature transmitter with a protective structure according to claim 1, characterized in that: An annular pad (4) matching the movable snap ring (31) is fixedly adhered to one side of the sealing cover body (2).

6. A temperature transmitter with a protection structure according to claim 1, characterized in that: Both ends of the movable rotating rod (371) are fixed with a first connecting block (373) hinged to one end of the movable connecting rod (372). The other end of the movable connecting rod (372) is hinged to a second connecting block (374) fixed to the movable snap ring (31). Both ends of the movable rotating rod (371) are magnetically connected to magnetic blocks (375) that are staggered from each other and fixed to the transmitter body (1).

7. The temperature transmitter with a protection structure according to claim 6, wherein: In the middle of the top of the transmitter body (1), there is a second screw cap (376). The bottom of the second screw cap (376) is fixed with a rotating vertical shaft (377) that is rotatably connected to the transmitter body (1) through a bearing. The bottom of the rotating vertical shaft (377) is fixedly connected to the middle of the movable rotating rod (371).

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