Pressure detection device for industrial gas filling
By designing protective shell and brush plate structures in the pressure detection device for industrial gas filling, the impurities caused by pressure gauge exposure are solved, ensuring detection accuracy and long-term stability of the equipment.
Patent Information
- Application Number
- CN202421023800.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-13
AI Technical Summary
In the existing pressure detection device for industrial gas filling, the pressure gauge is directly exposed to the external environment, resulting in easy contamination of impurities and affecting normal use.
A pressure detection device including a tank body and a protective case was designed. The pressure gauge is located inside the protective case. Through structures such as torsion springs, sealing plates, brush plates and sector gears, the mirror surface of the pressure gauge is cleaned to avoid the influence of impurities. .
Effectively prevent impurities from contacting the manometer, ensuring their normal use and accurate reading.
Smart Images

Figure CN222297667U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas filling pressure detection, in particular to a pressure detection device for industrial gas filling. Background Art
[0002] Industrial gas is known as the "blood" of industry. With the rapid development of China's economy, industrial gas, as one of the basic industrial elements of the national economy, has become increasingly important and plays an increasingly important role in the national economy. Industrial gas is in gaseous form at room temperature and pressure. There are many types of gas, which are mainly used in various industrial manufacturing. When filling industrial gas, its pressure needs to be tested.
[0003] After searching, for example, the utility model with application number 202021616779.7 discloses a pressure detection device for industrial gas filling, including a main body, an explosion-proof layer is provided on the inner side of the main body, and a pressure gauge is detachably connected to the top of the main body, a fixed sealing elastic diaphragm is fixedly connected to the middle part of the inner side of the explosion-proof layer, and a pushing rubber block is connected to the top of the fixed sealing elastic diaphragm. The utility model detects the pressure through the pressure gauge, and the pressure gauge of the utility model is directly exposed to the external environment, and then the pressure gauge will be contaminated with impurities, which affects the normal use of the pressure gauge. Therefore, in order to solve the above defects, the inventor proposes a pressure detection device for industrial gas filling. Utility Model Content
[0004] The main purpose of the utility model is to provide a pressure detection device for industrial gas filling, which can effectively solve the problem in the prior art that the pressure gauge is directly exposed to the external environment, and then the pressure gauge will be contaminated with impurities, which affects the normal use of the pressure gauge.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A pressure detection device for industrial gas filling, comprising a tank body and a pressure gauge arranged on the outer top surface of the tank body for detecting the pressure of the industrial gas, wherein the outer top surface of the tank body is provided with a protective shell, and the pressure gauge is located inside the protective shell, a movable rod is fixedly installed on one side of the outer surface of the protective shell, a sealing plate is movably connected to the outer surface of the movable rod, a torsion spring is provided on the outer surface of the movable rod, and the torsion spring is fixedly connected to the sealing plate, an embedded block is fixedly installed on both sides of the sealing plate, and two fixing grooves are provided on one side of the outer surface of the protective shell;
[0007] Two connecting frames are fixedly installed on the outer top surface of the tank body, and two fixing holes are provided on the outer top surfaces of the two connecting frames. Two connecting holes are provided on both sides of the outer surface of the protective shell.
[0008] Preferably, an air inlet pipe for transmitting industrial gas is fixedly installed on one side of the outer surface of the tank body, a pressure inlet pipe is fixedly installed on the outer top surface of the tank body, and the pressure inlet pipe is fixedly connected to a pressure gauge.
[0009] Preferably, lifting grooves are provided on both sides of the interior of the protective shell, sliding rods are fixedly installed inside the two lifting grooves, and the outer surfaces of the two sliding rods are movably connected with a brush plate together, and connecting springs are fixedly installed on the inner bottom surfaces of the two lifting grooves, and the two connecting springs are fixedly connected to the brush plate, and a connecting rod is fixedly installed on the top surface of the brush plate, and the connecting rod extends out of the protective shell, and a rack is fixedly installed on the top surface of the connecting rod, and a support frame is fixedly installed on the outer top surface of the protective shell, and a rotating rod is movably installed inside the support frame, and a fan gear is fixedly installed on the outer surface of the rotating rod, and the fan gear is meshed with the rack, and a rotating handle is fixedly installed on one end of the rotating rod.
[0010] Preferably, an anti-collision cushion is fixedly installed on one side of the interior of the protective shell, and a protective groove is opened on one side of the anti-collision cushion.
[0011] Preferably, the size of the protection groove is the same as the size of the pressure gauge.
[0012] Preferably, the sizes of the two connecting holes are respectively the same as the sizes of the two fixing holes.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model discloses a pressure detection device for filling industrial gas. A protective shell is provided. In actual work, the protective shell is inserted between two connecting frames, and bolts are inserted into the overlapping fixing holes and connecting holes, so that a pressure gauge can be placed inside the protective shell. Under the action of a torsion spring, a sealing plate can be placed in a closed state. A rotating rod is rotated to drive a sector gear to rotate, and in conjunction with a connecting spring, a brush plate can be made to reciprocate to clean the glass mirror surface of the pressure gauge, thereby effectively preventing impurities from affecting the normal use of the pressure gauge. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the sealing plate structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the connecting frame of the utility model;
[0018] Figure 4 This is a schematic diagram of the brush plate structure of the utility model;
[0019] Figure 5 It is a schematic diagram of the protective shell structure of the utility model when viewed from above.
[0020] In the figure: 1. tank body; 2. air inlet pipe; 3. pressure gauge; 4. pressure inlet pipe; 5. protective shell; 501. movable rod; 502. sealing plate; 503. torsion spring; 504. embedded block; 505. fixing groove; 506. connecting hole; 101. connecting frame; 102. fixing hole; 507. lifting groove; 508. sliding rod; 509. connecting spring; 510. brush plate; 511. connecting rod; 512. rack; 513. supporting frame; 514. sector gear; 515. rotating rod; 516. rotating handle; 517. anti-collision cushion; 518. protective groove. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] The utility model discloses a pressure detection device for industrial gas filling, such as Figure 1-Figure 5 As shown, it includes a tank body 1 and a pressure gauge 3 arranged on the outer top surface of the tank body 1 for detecting the industrial gas pressure. The outer top surface of the tank body 1 is provided with a protective shell 5, and the pressure gauge 3 is located inside the protective shell 5. The protective shell 5 can effectively prevent impurities from directly contacting the pressure gauge 3.
[0023] A movable rod 501 is fixedly installed on one side of the outer surface of the protective shell 5, and a sealing plate 502 is movably connected to the outer surface of the movable rod 501. A torsion spring 503 is provided on the outer surface of the movable rod 501, and the torsion spring 503 is fixedly connected to the sealing plate 502. Embedded blocks 504 are fixedly installed on both sides of the sealing plate 502. Two fixed grooves 505 are provided on one side of the outer surface of the protective shell 5. Under the action of the torsion spring 503, the embedded block 504 can be inserted into the fixed groove 505, and the sealing plate 502 is opened to observe the data displayed on the pressure gauge 3.
[0024] Two connecting frames 101 are fixedly installed on the outer top surface of the tank body 1. Two fixing holes 102 are provided on the outer top surfaces of the two connecting frames 101. Two connecting holes 506 are provided on both sides of the outer surface of the protective shell 5. The protective shell 5 is inserted between the two connecting frames 101, and the bolts are inserted into the overlapping fixing holes 102 and connecting holes 506 to disassemble the protective shell 5 so that the user can repair the pressure gauge 3.
[0025] An air inlet pipe 2 for transmitting industrial gas is fixedly installed on one side of the outer surface of the tank body 1. The industrial gas can enter the tank body 1 through the air inlet pipe 2. A pressure inlet pipe 4 is fixedly installed on the outer top surface of the tank body 1, and the pressure inlet pipe 4 is fixedly connected to the pressure gauge 3. The generated pressure enters the pressure gauge 3 and is indicated by the pointer in the pressure gauge 3.
[0026] Lifting grooves 507 are provided on both sides of the interior of the protective shell 5 , and sliding rods 508 are fixedly installed inside the two lifting grooves 507 . The outer surfaces of the two sliding rods 508 are movably connected with brush plates 510 , and the brush plates 510 can be lifted and lowered along the two sliding rods 508 .
[0027] The inner bottom surfaces of the two lifting grooves 507 are fixedly installed with connecting springs 509, and the two connecting springs 509 are fixedly connected to the brush plate 510. When the brush plate 510 descends, the two connecting springs 509 will be squeezed.
[0028] A connecting rod 511 is fixedly installed on the top surface of the brush plate 510, and the connecting rod 511 extends out of the protective shell 5, and a rack 512 is fixedly installed on the top surface of the connecting rod 511. A support frame 513 is fixedly installed on the outer top surface of the protective shell 5, and a rotating rod 515 is movably installed inside the support frame 513. A fan-shaped gear 514 is fixedly installed on the outer surface of the rotating rod 515, and the fan-shaped gear 514 is meshed with the rack 512. A rotating handle 516 is fixedly installed at one end of the rotating rod 515. The rotating rod 515 is rotated to drive the fan-shaped gear 514 to rotate. When the fan-shaped gear 514 is meshed with the rack 512, the connecting rod 511 and the brush plate 510 can be pushed down. When the fan-shaped gear 514 is not meshed with the rack 512, under the action of the connecting spring 509, the brush plate 510 can be pushed to rise, so that the brush plate 510 can reciprocate to clean the mirror surface of the pressure gauge 3.
[0029] An anti-collision cushion 517 is fixedly installed on one side of the interior of the protective shell 5 , and a protective groove 518 is opened on one side of the anti-collision cushion 517 , and the pressure gauge 3 can be embedded in the protective groove 518 .
[0030] The working principle of the utility model is as follows: industrial gas enters the tank body 1 through the air inlet pipe 2, and the pressure generated enters the pressure gauge 3 and is indicated by the pointer in the pressure gauge 3. The protective shell 5 is inserted between the two connecting frames 101, and the bolts are inserted into the overlapping fixing holes 102 and the connecting holes 506, so that the installation of the protective shell 5 can be completed, and the pressure gauge 3 is placed inside the protective shell 5. Under the action of the torsion spring 503, the sealing plate 502 can be placed in a closed state, and the rotating rod 515 is rotated to drive the sector gear 514 to rotate, and in conjunction with the connecting spring 509, the brush plate 510 can be reciprocated to clean the glass mirror surface of the pressure gauge 3.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A pressure detection device for industrial gas filling, comprising a tank body (1) and a pressure gauge (3) disposed on the outer top surface of the tank body (1) for detecting the pressure of the industrial gas, characterized in that: The outer top surface of the tank body (1) is provided with a protective shell (5), and the pressure gauge (3) is located inside the protective shell (5); a movable rod (501) is fixedly installed on one side of the outer surface of the protective shell (5); the outer surface of the movable rod (501) is movably connected to a sealing plate (502); a torsion spring (503) is provided on the outer surface of the movable rod (501), and the torsion spring (503) is fixedly connected to the sealing plate (502); embedded blocks (504) are fixedly installed on both sides of the sealing plate (502); and two fixing grooves (505) are provided on one side of the outer surface of the protective shell (5); Two connecting frames (101) are fixedly mounted on the outer top surface of the tank body (1), and two fixing holes (102) are provided on the outer top surfaces of the two connecting frames (101). Two connecting holes (506) are provided on both sides of the outer surface of the protective shell (5).
2. The pressure detection device for industrial gas filling according to claim 1 is characterized in that: An air inlet pipe (2) for transmitting industrial gas is fixedly mounted on one side of the outer surface of the tank body (1), a pressure inlet pipe (4) is fixedly mounted on the outer top surface of the tank body (1), and the pressure inlet pipe (4) is fixedly connected to a pressure gauge (3).
3. The pressure detection device for industrial gas filling according to claim 1 is characterized in that: Both sides of the interior of the protective shell (5) are provided with lifting grooves (507), and sliding rods (508) are fixedly installed inside the two lifting grooves (507). The outer surfaces of the two sliding rods (508) are movably connected to a brush plate (510). The inner bottom surfaces of the two lifting grooves (507) are fixedly installed with connecting springs (509), and the two connecting springs (509) are fixedly connected to the brush plate (510). The top surface of the brush plate (510) is fixedly installed with a connecting rod (511), and the connecting rod (511) is fixedly installed with the connecting springs (509). The rod (511) extends out of the protective shell (5); a rack (512) is fixedly mounted on the top surface of the connecting rod (511); a support frame (513) is fixedly mounted on the outer top surface of the protective shell (5); a rotating rod (515) is movably mounted inside the support frame (513); a sector gear (514) is fixedly mounted on the outer surface of the rotating rod (515); the sector gear (514) is meshed with the rack (512); and a rotating handle (516) is fixedly mounted on one end of the rotating rod (515).
4. The pressure detection device for industrial gas filling according to claim 1 is characterized in that: An anti-collision cushion (517) is fixedly mounted on one side of the interior of the protective shell (5), and a protective groove (518) is provided on one side of the anti-collision cushion (517).
5. The pressure detection device for industrial gas filling according to claim 4, characterized in that: The size of the protection groove (518) is the same as the size of the pressure gauge (3).
6. The pressure detection device for industrial gas filling according to claim 1 is characterized in that: The sizes of the two connecting holes (506) are respectively the same as the sizes of the two fixing holes (102).