High-sealing gas concentration measuring device

Abstract

The utility model relates to the field of gas concentration determination, in particular to a high-sealing gas concentration determination device. The measuring device aims at solving the technical problems that in the prior art, a gap is likely to be formed in the connecting position of equipment and a gas conveying pipe under the action of gas conveying pressure, and leakage of detected gas possibly occurs. A high-sealing gas concentration measuring device comprises a device body, a gas conveying pipe, a connector sealing assembly and an auxiliary positioning assembly. According to the gas concentration measuring device, a multi-sealing reinforcing structure is adopted to achieve multi-layer protection on the connecting position of the gas concentration measuring device, the connector sealing assembly can be used for conducting primary sealing on the connector position, meanwhile, a gas conveying pipe can be conveniently mounted and dismounted, the gas detection convenience is improved, and after all the auxiliary positioning assemblies are clamped in, the gas concentration measuring device can be conveniently assembled and disassembled. The connecting performance of the device body and the gas conveying pipe can be enhanced, so that the using safety and reliability of the device are guaranteed, the sealing performance is enhanced from the outer side through the connector sealing assembly, it is guaranteed that gas does not leak, and the safety of personnel and equipment is guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of gas concentration measurement, in particular to a highly sealed gas concentration measurement device. Background Art

[0002] A gas concentration measuring device is a device used to detect and monitor the concentration of specific substances in gas. It is widely used in industry, medical treatment, environmental monitoring, scientific research and other fields.

[0003] The current gas concentration measuring devices have poor sealing properties. After the input gas is closed, a gap will appear at the connection between the device and the gas pipe under the action of the gas pressure, which may cause leakage of the detection gas. Utility Model Content

[0004] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a highly sealed gas concentration measuring device, which aims to solve the technical problem that gaps are easily formed at the connection between the equipment and the gas pipe under the action of the gas pressure, which may cause leakage of the detection gas.

[0005] The technical solution of the utility model is: a highly sealed gas concentration measuring device, comprising a device body, a gas pipe, a joint sealing assembly, an auxiliary positioning assembly, and a reinforced sealing assembly; a gas pipe for inputting a gas to be detected is arranged at the right end of the device body; a joint sealing assembly for easy disassembly is arranged between the gas pipe and the device body; an auxiliary positioning assembly for strengthening the connectivity between the gas pipe and the device body is installed between the gas pipe and the device body; a reinforced sealing assembly for strengthening the sealing from the outside is installed between the gas pipe and the outer side of the device body.

[0006] Preferably, in the first step, when measuring the gas concentration, the gas pipe is connected to the device body through the joint sealing assembly; in the second step, when the joint sealing assembly is screwed in, the auxiliary positioning assembly is gradually inserted, and after it is fully inserted, the connectivity between the device body and the gas pipe can be strengthened to ensure the safety and reliability of the device; in the third step, the reinforced sealing assembly is finally moved to the joint sealing assembly and locked to strengthen the sealing from the outside to ensure that the gas does not leak and ensure the safety of personnel and equipment.

[0007] Preferably, the joint sealing assembly includes joint A, joint B and a sealing gasket; the right end of the device body is fixedly connected to the joint A; the left end of the gas pipe is fixedly connected to the joint B; the staff connects the gas pipe to the device body, and screws the joint B into the joint A until the sealing gasket in the middle is clamped.

[0008] Preferably, connector A and connector B are threadedly connected; a sealing gasket is provided at the interface between connector A and connector B to perform initial sealing on the interface. This structure facilitates installation and removal of the gas transmission pipe and improves the convenience of gas detection.

[0009] Preferably, the auxiliary positioning assembly includes a positioning groove, a ring, a spring pin and an insertion block; the outer side of joint A is provided with annular equidistantly distributed positioning grooves; the outer side of joint B is provided with a ring; when operating the joint sealing assembly, the ring is rotated to align the insertion block of the ring with the positioning groove on the other side.

[0010] Preferably, the ring is fixedly connected to one side close to the positioning groove with an annular insertion block equidistantly distributed therein; a spring pin is provided on the outside of the insertion block, and when the joint sealing assembly is gradually closed, the insertion block is inserted into the positioning groove, and after the joint sealing assembly is closed, the spring pin is snapped into the limiting hole, which can strengthen the connectivity between the device body and the gas pipe to ensure the safety and reliability of the device.

[0011] Preferably, the reinforced sealing assembly includes a movable ring, a sealing strip, an adjustment structure, a clamping plate and a slot; a sealing strip is installed in the middle position on the inner side of the movable ring; the sealing strip of the movable ring moves to the gap of the joint sealing assembly, and then the adjustment structure is rotated, and the adjustment structure drives the clamping plate to move toward the joint sealing assembly.

[0012] Preferably, adjustment structures are provided at both the upper and lower ends of the movable ring; a clamping plate is connected to the bearing on the inner side of the adjustment structure; left-right symmetrical slots are provided on the outer side of the joint sealing assembly; the slots are engaged with the clamping plate until the clamping plate is engaged with the slots on the outer side of the joint sealing assembly, thereby strengthening the sealing from the outside to ensure that the gas does not leak and to ensure the safety of personnel and equipment.

[0013] Beneficial effects of the utility model:

[0014] The utility model adopts a multiple sealing reinforcement structure to provide multi-level protection for the connection of the gas concentration measuring device. The joint sealing component can be used to perform the initial sealing of the interface, and it can also facilitate the installation and removal of the gas pipeline, thereby improving the convenience of gas detection. After the auxiliary positioning components are all inserted, the connectivity between the device body and the gas pipeline can be strengthened to ensure the safety and reliability of the device. The joint sealing component can be used to strengthen the sealing from the outside to ensure that the gas does not leak, thereby ensuring the safety of personnel and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure shows a three-dimensional structure diagram of the measuring device of the utility model;

[0016] Figure 2 The diagram shows an enlarged schematic diagram of the measuring device of the present invention;

[0017] Figure 3 The diagram shows a partially disassembled and enlarged structural diagram of the measuring device of the utility model;

[0018] Figure 4Shown is another partially disassembled and enlarged structural schematic diagram of the measuring device of the present invention.

[0019] Explanation of the reference numerals: 1. Device body; 2. Air delivery pipe; 3. Joint sealing assembly; 301. Joint A; 302. Joint B; 303. Sealing gasket; 4. Auxiliary positioning assembly; 401. Positioning groove; 402. Ferrule; 403. Spring pin; 404. Insert block; 5. Reinforced sealing assembly; 501. Moving ring; 502. Sealing strip; 503. Adjusting structure; 504. Clamping plate; 505. Slot. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-2 The utility model provides an embodiment: a highly sealed gas concentration measuring device, comprising a device body 1, a gas pipe 2, a joint sealing assembly 3, an auxiliary positioning assembly 4, and a reinforced sealing assembly 5; a gas pipe 2 for inputting a gas to be detected is arranged at the right end of the device body 1; a joint sealing assembly 3 for easy disassembly is arranged between the gas pipe 2 and the device body 1; an auxiliary positioning assembly 4 for strengthening the connectivity between the gas pipe 2 and the device body 1 is installed between the gas pipe 2 and the device body 1; a reinforced sealing assembly 5 for strengthening the sealing from the outside is installed between the gas pipe 2 and the device body 1.

[0022] See also Figure 3 In this embodiment, the enhanced sealing assembly 5 includes a moving ring 501, a sealing strip 502, an adjusting structure 503, a clamping plate 504 and a slot 505; a sealing strip 502 is installed at the middle position on the inner side of the moving ring 501; the sealing strip 502 of the moving ring 501 moves to the gap of the joint sealing assembly 3, and then the adjusting structure 503 is rotated, and the adjusting structure 503 drives the clamping plate 504 to move toward the joint sealing assembly 3, and the moving ring 501 is provided with an adjusting structure 503 at both ends; the clamping plate 504 is connected to the bearing on the inner side of the adjusting structure 503; the outer side of the joint sealing assembly 3 is provided with a left-right symmetrical slot 505; the slot 505 and the clamping plate 504 are engaged and connected until the clamping plate 504 is engaged with the slot 505 on the outer side of the joint sealing assembly 3, so as to strengthen the sealing from the outside to ensure that the gas does not leak and ensure the safety of personnel and equipment.

[0023] See also Figure 4In this embodiment, the joint sealing assembly 3 includes a joint A301, a joint B302 and a sealing gasket 303; the right end of the device body 1 is fixedly connected with the joint A301; the left end of the gas pipe 2 is fixedly connected with the joint B302; the staff connects the gas pipe 2 to the device body 1, and the joint B302 is screwed into the joint A301 until the sealing gasket 303 in the middle is clamped, and the joint A301 and the joint B302 are threadedly connected; a sealing gasket 303 is provided at the interface between the joint A301 and the joint B302 to perform the initial sealing on the interface. This structure facilitates the installation and removal of the gas pipe 2 and improves the convenience of gas detection. The auxiliary positioning assembly 4 includes a positioning groove 401, a ring 402, and a spring pin 40 3 and insertion block 404; annular equidistantly distributed positioning grooves 401 are provided on the outer side of joint A301; a ferrule 402 is sleeved on the outer side of joint B302; when operating the joint sealing assembly 3, the ferrule 402 is rotated to align the insertion block 404 of the ferrule 402 with the positioning groove 401 on the other side, and the ferrule 402 is fixedly connected with annular equidistantly distributed insertion blocks 404 on the side close to the positioning groove 401; a spring pin 403 is provided on the outer side of the insertion block 404, and when the joint sealing assembly 3 is gradually closed, the insertion block 404 is inserted into the positioning groove 401, and after the joint sealing assembly 3 is closed, the spring pin 403 is stuck in the limiting hole, which can strengthen the connectivity between the device body 1 and the gas pipe 2 to ensure the safety and reliability of the device.

[0024] During operation, the first step is to connect the gas pipe 2 to the device body 1 through the joint sealing assembly 3 when measuring the gas concentration, and screw the joint B302 into the joint A301 until the sealing gasket 303 in the middle is clamped, thereby performing the initial sealing on the interface.

[0025] In the second step, when the joint sealing assembly 3 is screwed in, the insertion block 404 of the ring 402 is aligned with the positioning groove 401 on the other side, the auxiliary positioning assembly 4 is gradually inserted, and the spring pin 403 is inserted into the limiting hole. After all are inserted, the connectivity between the device body 1 and the gas pipe 2 can be strengthened to ensure the safety and reliability of the device.

[0026] In the third step, finally move the reinforced sealing assembly 5 to the joint sealing assembly 3, and the sealing strip 502 is located at the gap of the joint sealing assembly 3. Then rotate the adjusting structure 503, and the adjusting structure 503 drives the clamping plate 504 to move toward the joint sealing assembly 3 until the clamping plate 504 is engaged with the slot 505 on the outside of the joint sealing assembly 3, thereby strengthening the sealing from the outside to ensure that the gas does not leak and ensure the safety of personnel and equipment.

[0027] Through the above steps, the multiple sealing reinforcement structures are used to provide multi-level protection for the connection of the gas concentration measuring device. The joint sealing component 3 can be used to perform the initial sealing of the interface, and it can also facilitate the installation and removal of the gas pipeline 2, thereby improving the convenience of gas detection. After the auxiliary positioning components 4 are fully inserted, the connectivity between the device body 1 and the gas pipeline 2 can be strengthened to ensure the safety and reliability of the device. The joint sealing component 3 can be used to strengthen the sealing from the outside to ensure that the gas does not leak, thereby ensuring the safety of personnel and equipment.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A highly sealed gas concentration measuring device, comprising a device body; characterized in that: It also includes a gas pipe, a joint sealing assembly, an auxiliary positioning assembly, and a reinforced sealing assembly; a gas pipe for inputting gas of a concentration to be detected is arranged at the right end of the device body; a joint sealing assembly that is easy to disassemble is arranged between the gas pipe and the device body; an auxiliary positioning assembly that strengthens the connectivity between the gas pipe and the device body is installed between the gas pipe and the device body; a reinforced sealing assembly that is used to strengthen the sealing from the outside is installed between the gas pipe and the outside of the device body.

2. A highly sealed gas concentration measuring device according to claim 1, characterized in that: The joint sealing assembly includes a joint A, a joint B and a sealing gasket; the right end of the device body is fixedly connected with the joint A; the left end of the gas transmission pipe is fixedly connected with the joint B.

3. A highly sealed gas concentration measuring device according to claim 2, characterized in that: The connector A and the connector B are threadedly connected; a sealing gasket is arranged at the interface between the connector A and the connector B.

4. A highly sealed gas concentration measuring device according to claim 1, characterized in that: The auxiliary positioning component comprises a positioning groove, a ferrule, a spring pin and an insert block; the outer side of the joint A is provided with an annular equidistantly distributed positioning groove; the outer side of the joint B is covered with a ferrule.

5. A highly sealed gas concentration measuring device according to claim 4, characterized in that: One side of the ferrule close to the positioning groove is fixedly connected with an annular insertion block which is evenly distributed; a spring pin is arranged on the outer side of the insertion block.

6. A highly sealed gas concentration measuring device according to claim 1, characterized in that: The reinforced sealing component comprises a moving ring, a sealing strip, an adjusting structure, a clamping plate and a clamping groove; a sealing strip is installed at the middle position of the inner side of the moving ring.

7. A highly sealed gas concentration measuring device according to claim 6, characterized in that: Adjustment structures are arranged at both upper and lower ends of the moving ring; a clamping plate is connected to the bearing on the inner side of the adjustment structure; left-right symmetrical clamping grooves are arranged on the outer side of the joint sealing component; and the clamping grooves are engaged and connected with the clamping plate.

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