Temperature measuring device for helium filling process

Abstract

The utility model relates to the technical field of helium filling equipment, in particular to a temperature measuring device for a helium filling process. The device comprises a gas conveying pipe, a mounting hole is formed in the side portion of the gas conveying pipe, a mounting pipe is mounted in the mounting hole, a shell is connected to the upper end of the mounting pipe, second via holes allowing a temperature sensor to penetrate through are formed in the shell and the mounting pipe, a sealing sleeve is fixedly connected to the upper end of the shell, and a shrinkage hole capable of being in interference fit with the temperature sensor is formed in the sealing sleeve. A rotating rod moving hole is formed in the side portion of the shell, a rotating rod is rotationally connected into the rotating rod moving hole, and a first via hole corresponding to the second via hole is formed in the middle section of the rotating rod. The influence of air pressure in the air delivery pipe on the shrinkage hole is reduced, and the risk of air leakage is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of helium filling equipment, and in particular to a temperature measuring device used in a helium filling process. Background Art

[0002] During the helium filling process, it is necessary to detect the temperature of the gas in the gas pipeline. The existing helium filling temperature measuring device includes a gas pipeline, a mounting hole is opened on the side of the gas pipeline, a mounting pipe is installed in the mounting hole, a sealing sleeve is sleeved on the mounting pipe, and a shrink hole that can be interference-fitted with the temperature sensor is opened on the sealing sleeve. In normal use, the temperature sensor passes through the shrink hole and the mounting pipe in turn and extends into the gas pipeline. When the temperature sensor needs to be replaced, the temperature sensor is pulled out, and the shrink hole shrinks to prevent gas leakage.

[0003] The above technical solution has the following disadvantages: the sealing sleeve is made of rubber. When the temperature sensor is pulled out, the shrinkage hole shrinks by its own elasticity and has a low sealing ability. When the air pressure in the gas pipe is too high, the sealing ability of the shrinkage hole is insufficient, increasing the risk of gas leakage. Utility Model Content

[0004] The purpose of the utility model is to provide a temperature measuring device for the helium filling process in view of the above problems, so as to reduce the influence of the air pressure in the gas transmission pipe on the shrinkage hole.

[0005] To achieve the above-mentioned purpose, the utility model discloses a temperature measuring device for a helium filling process, the device comprises a gas delivery pipe, a mounting hole is provided on the side of the gas delivery pipe, a mounting pipe is installed in the mounting hole, a shell is connected to the upper end of the mounting pipe, a second through hole for a temperature sensor to pass through is provided on the shell and the mounting pipe, a sealing sleeve is fixedly connected to the upper end of the shell, a shrinkage hole capable of interference fit with the temperature sensor is provided on the sealing sleeve, a rotating rod movable hole is provided on the side of the shell, a rotating rod is rotatably connected in the rotating rod movable hole, and a first through hole corresponding to the second through hole is provided in the middle section of the rotating rod.

[0006] During normal use, the temperature sensor passes through the contraction hole, the upper section of the second via hole, the first via hole and the lower section of the second via hole in sequence and then extends into the gas delivery pipe, so as to facilitate temperature measurement.

[0007] When the temperature sensor needs to be replaced, first, the temperature sensor moves outward to separate from the lower section of the second via and the first via. Then, the rotating rod is rotated to make the first via and the second via perpendicular. At this time, the first via and the second via are not connected. Finally, the temperature sensor continues to move outward to separate from the upper section of the second via and the contraction hole. Since the rotating rod blocks the second via, the influence of the air pressure in the gas pipe on the contraction hole is reduced, thereby reducing the risk of gas leakage.

[0008] Preferably, a first sealing ring is installed at the rear end of the side portion of the rotating rod, and a second sealing ring is installed at the front end of the side portion of the rotating rod.

[0009] When in use, the first sealing ring and the second sealing ring are used to improve air tightness and reduce the risk of gas leakage.

[0010] Preferably, an external thread is provided on the side of the rotating rod, and an internal thread is correspondingly provided on the inner side of the movable hole of the rotating rod.

[0011] This structure can realize the installation of the rotating rod by rotating the rotating rod, and the installation is convenient.

[0012] Preferably, the external thread is located at the rear section of the side of the rotating rod.

[0013] This structure facilitates the processing of the inner thread of the movable hole of the rotating rod.

[0014] Preferably, a wrench slot is provided at the rear end of the rotating rod.

[0015] When installing or using, just use a wrench to operate, which is convenient for installation or use.

[0016] Preferably, a first hoop body for fixing the sealing sleeve and the outer shell is connected to the outer side of the sealing sleeve.

[0017] The first hoop body is used to improve the connection strength between the sealing sleeve and the housing.

[0018] Preferably, a second hoop body for fixing the sealing sleeve and the temperature sensor is connected to the outer side of the sealing sleeve.

[0019] The second hoop body is used to improve the air tightness and connection strength between the sealing sleeve and the temperature sensor.

[0020] Preferably, a mounting platform is provided on the side of the gas delivery pipe, and the mounting hole is located in the middle of the mounting platform.

[0021] The mounting platform is used to increase the contact area between the gas pipe and the lower end of the shell, thereby improving the stability of the shell.

[0022] To sum up, the beneficial effect of the utility model is that when the temperature sensor needs to be replaced, first, the temperature sensor moves outward to disengage from the lower section of the second via and the first via, and then, the rotating rod is rotated to make the first via and the second via perpendicular. At this time, the first via and the second via are not connected. Finally, the temperature sensor continues to move outward to disengage from the upper section of the second via and the contraction hole. Since the rotating rod blocks the second via, the influence of the air pressure in the gas pipe on the contraction hole is reduced, thereby reducing the risk of gas leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a temperature measuring device used in a helium filling process of the utility model;

[0024] Figure 2 This is a schematic diagram of the internal structure of a temperature measuring device used in a helium filling process of the utility model;

[0025] Figure 3 yes Figure 2 Structural diagram of the middle section AA;

[0026] Figure 4 This is a schematic diagram of the structure of a temperature measuring device for helium filling process of the utility model in a state without a temperature sensor inside;

[0027] Figure 5 yes Figure 4 Schematic diagram of the structure of the middle section BB.

[0028] In the figure: 1. gas pipe; 2. mounting platform; 3. housing; 4. sealing sleeve; 5. temperature sensor; 6. first hoop body; 7. second hoop body; 8. rotating rod; 9. mounting pipe; 10. mounting hole; 11. wrench slot; 12. first sealing ring; 13. second sealing ring; 14. first through hole; 15. second through hole; 16. contraction hole; 17. movable hole of rotating rod. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] In the description of the present application, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0031] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0032] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0033] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments:

[0034] like Figures 1 to 5 As shown, a temperature measuring device for a helium filling process comprises a gas delivery pipe 1, a mounting hole 10 is provided on the side of the gas delivery pipe 1, a mounting tube 9 is installed in the mounting hole 10, an upper end of the mounting tube 9 is connected to a shell 3, a second through hole 15 for a temperature sensor 5 to pass through is provided on the shell 3 and the mounting tube 9, a sealing sleeve 4 is fixedly connected to the upper end of the shell 3, a shrinkage hole 16 that can be interference-fitted with the temperature sensor is provided on the sealing sleeve 4, a rotating rod movable hole 17 is provided on the side of the shell 3, a rotating rod 8 is rotatably connected in the rotating rod movable hole 17, and a first through hole 14 that can correspond to the second through hole 15 is provided in the middle section of the rotating rod 8.

[0035] During normal use, the temperature sensor 5 sequentially passes through the shrink hole 16, the upper section of the second via hole 15, the first via hole 14 and the lower section of the second via hole 15 and then extends into the gas delivery pipe 1, so as to facilitate temperature measurement.

[0036] When the temperature sensor 5 needs to be replaced, first, the temperature sensor 5 moves outward to disengage from the lower section of the second through hole 15 and the first through hole 14, and then, the rotating rod 8 is rotated to make the first through hole 14 and the second through hole 15 perpendicular to each other. At this time, the first through hole 14 and the second through hole 15 are not connected. Finally, the temperature sensor 5 continues to move outward to disengage from the upper section of the second through hole 15 and the contraction hole 16. Since the rotating rod 8 blocks the second through hole 15, the influence of the air pressure in the gas pipe 1 on the contraction hole 16 is reduced, thereby reducing the risk of gas leakage and loosening.

[0037] A first sealing ring 12 is installed at the rear end of the side of the rotating rod 8 , and a second sealing ring 13 is installed at the front end of the side of the rotating rod 8 .

[0038] When in use, the first sealing ring 12 and the second sealing ring 13 are used to improve air tightness and reduce the risk of gas leakage.

[0039] The side of the rotating rod 8 is provided with an external thread, and the inner side of the rotating rod movable hole 17 is correspondingly provided with an internal thread.

[0040] This structure can realize the installation of the rotating rod 8 by rotating the rotating rod 8, and the installation is convenient.

[0041] The external thread is located at the rear section of the side of the rotating rod 8 .

[0042] This structure facilitates the processing of the internal thread of the movable hole 17 of the rotating rod.

[0043] The rear end of the rotating rod 8 is provided with a spanner groove 11. Preferably, the spanner groove 11 is a hexagonal groove.

[0044] When installing or using, just use a wrench to operate, which is convenient for installation or use.

[0045] A first hoop body 6 for fixing the sealing sleeve 4 and the housing 3 is connected to the outer side of the sealing sleeve 4 .

[0046] The first hoop body 6 is used to improve the connection strength between the sealing sleeve 4 and the housing 3 .

[0047] A second hoop body 7 for fixing the sealing sleeve 4 and the temperature sensor 5 is connected to the outer side of the sealing sleeve 4 .

[0048] The second hoop body 7 is used to improve the air tightness and connection strength between the sealing sleeve 4 and the temperature sensor 5 .

[0049] The side of the gas delivery pipe 1 is provided with a mounting platform 2, and the mounting hole 10 is located in the middle of the mounting platform 2. Preferably, the mounting platform 2 is circular in shape.

[0050] The mounting platform 2 is used to increase the contact area between the gas delivery pipe 1 and the lower end of the shell 3 , thereby improving the stability of the shell 3 .

[0051] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and substitutions can be made without departing from the technical principle of the present invention. These improvements and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A temperature measuring device for a helium filling process, comprising a gas delivery pipe (1), a mounting hole (10) being provided on a side of the gas delivery pipe (1), characterized in that: A mounting tube (9) is mounted in the mounting hole (10), the upper end of the mounting tube (9) is connected to the housing (3), a second through hole (15) for the temperature sensor (5) to pass through is provided on the housing (3) and the mounting tube (9), a sealing sleeve (4) is fixedly connected to the upper end of the housing (3), a shrinkage hole (16) capable of interference fit with the temperature sensor is provided on the sealing sleeve (4), a rotating rod movable hole (17) is provided on the side of the housing (3), a rotating rod (8) is rotatably connected in the rotating rod movable hole (17), and a first through hole (14) capable of corresponding to the second through hole (15) is provided in the middle section of the rotating rod (8).

2. The temperature measuring device for helium filling process according to claim 1, characterized in that: A first sealing ring (12) is installed at the rear end of the side of the rotating rod (8), and a second sealing ring (13) is installed at the front end of the side of the rotating rod (8).

3. The temperature measuring device for helium filling process according to claim 1, characterized in that: The side of the rotating rod (8) is provided with an external thread, and the inner side of the rotating rod movable hole (17) is correspondingly provided with an internal thread.

4. The temperature measuring device for helium filling process according to claim 3, characterized in that: The external thread is located at the rear section of the side of the rotating rod (8).

5. The temperature measuring device for helium filling process according to claim 1, characterized in that: A spanner groove (11) is provided at the rear end of the rotating rod (8).

6. The temperature measuring device for helium filling process according to any one of claims 1 to 5, characterized in that: The outer side of the sealing sleeve (4) is connected to a first hoop body (6) for fixing the sealing sleeve (4) and the outer shell (3).

7. The temperature measuring device for helium filling process according to claim 6, characterized in that: A second hoop body (7) for fixing the sealing sleeve (4) and the temperature sensor (5) is connected to the outside of the sealing sleeve (4).

8. The temperature measuring device for helium filling process according to any one of claims 1 to 5, characterized in that: A mounting platform (2) is provided on the side of the gas delivery pipe (1), and the mounting hole (10) is located in the middle of the mounting platform (2).

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