Pressure detection device for high-pressure gas storage cylinder

Abstract

The utility model relates to the technical field of pressure detection of high-pressure gas storage bottles, and discloses a pressure detection device for a high-pressure gas storage bottle, which comprises a connecting mechanism, a detection mechanism and a dismounting mechanism, the top of the connecting mechanism is provided with the detection mechanism, the side surface of the connecting mechanism is provided with the dismounting mechanism, and the connecting mechanism comprises a fixed sleeve. And the right end of the fixed sleeve is in threaded connection with a sealing rear cover. The sealing ring and the connecting ring are connected to the left side of the fixing sleeve in an inserted mode, so that the stability of connection between the whole device and the high-pressure gas storage cylinder is guaranteed; the connecting rod at the right end of the sealing ring can enable the sealing ring to be connected to the left end of the fixing sleeve in an inserted mode; the limiting spring and the limiting clamping ring at the front end and the rear end of the connecting rod stretch out and draw back in the front-back position on the inner wall of the limiting groove, so that the sealing ring is stable when being connected to the left end of the fixing sleeve, and gas leakage generated when the sealing ring is connected with the high-pressure gas storage cylinder is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure detection of high-pressure gas storage bottles, in particular to a pressure detection device for high-pressure gas storage bottles. Background Art

[0002] High-pressure gas cylinders are containers used to store high-pressure gas. They are usually made of high-strength materials to ensure safety. The latest progress includes the use of new high-strength and high-modulus carbon fibers as raw materials. This material has very high tensile strength and modulus, making it suitable for the manufacture of high-pressure gas cylinders.

[0003] Compare to authorization number 202021940404.6 A device for detecting oxygen content in a high-pressure gas cylinder and a pipeline system comprises a connector, an air pipe and an oxygen content detector, wherein the connector and the air pipe are used to connect an air inlet pipeline, and the oxygen content detector comprises an air inlet and an air outlet, and the oxygen content can be detected by inserting the air pipe into the air inlet, wherein a valve is further arranged between the connector and the air pipe, and the valve adjusts the gas to be tested in the high-pressure gas cylinder to a pressure suitable for the oxygen content detector, and in another preferred example, the connector is a quick plug connector, and in another preferred example, the valve comprises a valve front connector, a valve body and a valve rear connector, and in another preferred example, the valve front connector has an air inlet, and the valve rear connector has an air outlet, and in another preferred example, the valve is a pressure reducing valve, and accurate measurement of the oxygen content of the high-pressure gas cylinder and the pipeline system can be achieved by only connecting an oxygen content detection device to the existing high-pressure gas cylinder and the pipeline system without modifying the existing high-pressure gas cylinder and the pipeline system.

[0004] The oxygen content detection device for a high-pressure gas cylinder and a pipeline system is configured so that, without the need to modify the existing high-pressure gas cylinder and the pipeline system, accurate measurement of the oxygen content of the high-pressure gas cylinder and the pipeline system can be achieved by only connecting an oxygen content detection device to the existing high-pressure gas cylinder and the pipeline system. However, when the device as a whole is detecting the high-pressure gas tank, it is not convenient to provide a stable connection with the device as a whole and to conveniently disassemble it from the gas tank after the gas pressure detection of the gas tank is completed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a pressure detection device for a high-pressure gas storage cylinder.

[0006] The utility model is implemented by the following technical scheme: a pressure detection device for a high-pressure gas storage cylinder, comprising a connecting mechanism, a detecting mechanism and a disassembly mechanism, wherein the top of the connecting mechanism is provided with a detecting mechanism, the side of the connecting mechanism is provided with a disassembly mechanism, the connecting mechanism comprises a fixing sleeve, the right end of the fixing sleeve is threadedly connected with a sealing rear cover, the front of the fixing sleeve is plugged with a sealing ring, and the front of the sealing ring is fixedly connected with a connecting ring;

[0007] It is characterized in that the front and rear ends of the fixed sleeve are provided with extrusion grooves, the inner wall of the fixed sleeve is provided with a limiting groove, a connecting rod is welded on the right side of the sealing ring, the interior of the connecting rod is fixedly connected to a limiting spring, and the front and rear ends of the limiting spring are fixedly connected to a limiting clamping ring.

[0008] Through the above technical solution, the number of the connecting rod, the limit spring and the limit clamp ring is set to two, which is convenient for the sealing ring to be firmly installed on the left end of the fixed sleeve.

[0009] As a further improvement of the above scheme, the extrusion grooves are symmetrically distributed with the fixed sleeve as the center, the limiting grooves are internally slidably connected with a limiting snap ring, and the limiting snap ring and the limiting spring are symmetrically distributed with the fixed sleeve as the center.

[0010] Through the above technical solution, the number of the extrusion grooves is set to two, which facilitates the extrusion and position movement of the internal limiting clamping ring of the fixed sleeve.

[0011] As a further improvement of the above scheme, the detection mechanism includes a fixed block, a surface of the fixed block is threadedly connected to a limit ring, an inner wall of the limit ring is threadedly connected to a fixed ring, and a top end of the fixed ring is fixedly connected to a pressure gauge.

[0012] As a further improvement of the above solution, a fixing ring is provided on the top of the fixing block, and a fixing sleeve is fixedly connected to the bottom of the fixing block.

[0013] As a further improvement of the above scheme, the disassembly mechanism includes a limit block, the limit block is internally slidably connected with an extrusion rod, the front and rear ends of the extrusion rod are welded with extrusion plates, the front and rear sides of the extrusion plate are fixedly connected with handles, and the front and rear ends of the extrusion plate are fixedly connected with extrusion springs.

[0014] Through the above technical solution, the number of extrusion springs is set to four, which is convenient for the handle and the extrusion plate to extend and retract when subjected to front and rear forces, so as to drive the extrusion rod inside the limit block to move its position.

[0015] As a further improvement of the above solution, the extrusion springs are symmetrically distributed with the extrusion rod as the center, and the limit blocks are symmetrically distributed with the fixing sleeve as the center.

[0016] As a further improvement of the above solution, the limit blocks are fixedly connected to the front end and the rear end of the fixed sleeve, and an extrusion rod is slidably connected to the interior of the extrusion groove.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model ensures the connection stability between the overall equipment and the high-pressure gas storage cylinder by arranging a sealing ring and a connecting ring which are inserted into the left side of a fixed sleeve, and by arranging a connecting rod at the right end of the sealing ring and enabling the sealing ring to be inserted into the left end of the fixed sleeve, so that the limit springs and the limit clamping ring at the front and rear ends of the connecting rod can be extended and retracted on the inner wall of the limit groove, thereby ensuring the stability of the sealing ring when connected to the left end of the fixed sleeve and reducing the gas leakage generated when connected to the high-pressure gas storage cylinder, and by arranging extrusion grooves at the front and rear ends of the fixed sleeve, the limit clamping ring which is clamped and limited to the inner wall of the limit groove can be pulled out from the left side of the fixed sleeve by cooperating with the extrusion rod to squeeze.

[0019] The utility model provides a limiting ring on the surface of the fixing block, which can cooperate with the fixing ring on the inner wall of the limiting ring to achieve stability during connection and fixing, and is convenient for workers to replace the top pressure gauge. By providing an extrusion rod inside the limiting block, when the handle and the extrusion plate are subjected to front and rear forces, the extrusion rod can cooperate with the extrusion spring to extend the extrusion rod to the front and rear position inside the limiting block, so that the extrusion rod can squeeze the limiting clamping ring inside the fixing sleeve, which is convenient for workers to pull out the connecting ring from the left side of the fixing sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the anatomical structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the anatomical structure of the utility model;

[0023] Figure 4 It is a right side structural schematic diagram of the utility model;

[0024] Figure 5 It is a schematic diagram of the structure of the utility model when viewed from above.

[0025] Description of main symbols:

[0026] 1. Connecting mechanism; 101. Fixed sleeve; 102. Sealing back cover; 103. Sealing ring; 104. Connecting ring; 105. Extrusion groove; 106. Limiting groove; 107. Connecting rod; 108. Limiting spring; 109. Limiting clamp; 2. Detection mechanism; 201. Fixed block; 202. Limiting ring; 203. Fixed ring; 204. Pressure gauge; 3. Disassembly mechanism; 301. Limiting block; 302. Extrusion rod; 303. Extrusion spring; 304. Extrusion plate; 305. Handle. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0028] Example:

[0029] Please combine Figure 1-5 A pressure detection device for a high-pressure gas cylinder of this embodiment includes a connecting mechanism 1, a detection mechanism 2 and a disassembly mechanism 3. The top of the connecting mechanism 1 is provided with the detection mechanism 2, and the side of the connecting mechanism 1 is provided with the disassembly mechanism 3. The connecting mechanism 1 includes a fixed sleeve 101, and the right end of the fixed sleeve 101 is threadedly connected with a sealing rear cover 102. The front of the fixed sleeve 101 is plugged with a sealing ring 103, and the front of the sealing ring 103 is fixedly connected with a connecting ring 104;

[0030] The front and rear ends of the fixed sleeve 101 are provided with extrusion grooves 105, the inner wall of the fixed sleeve 101 is provided with a limit groove 106, a connecting rod 107 is welded on the right side of the sealing ring 103, the interior of the connecting rod 107 is fixedly connected to a limit spring 108, and the front and rear ends of the limit spring 108 are fixedly connected to a limit clamp ring 109. The sealing ring 103 and the connecting ring 104 are inserted on the left side of the fixed sleeve 101 to ensure the connection stability between the whole device and the high-pressure gas cylinder, and the sealing ring 103 can be inserted into the connecting rod 107 and the sealing ring 103 on the right end. When the left end of the fixed sleeve 101 is fixed, the limit springs 108 and the limit clamping ring 109 at the front and rear ends of the connecting rod 107 are extended and retracted on the inner wall of the limit groove 106, so that the stability of the sealing ring 103 when connected to the left end of the fixed sleeve 101 is improved, and the air leakage generated when connected to the high-pressure gas cylinder is reduced. By setting the extrusion grooves 105 opened at the front and rear ends of the fixed sleeve 101, the limit clamping ring 109 that is clamped and limited on the inner wall of the limit groove 106 can be extruded by the extrusion rod 302 to pull the sealing ring 103 out from the left side of the fixed sleeve 101.

[0031] The number of the connecting rod 107 , the limiting spring 108 and the limiting clamping ring 109 is set to two, so as to facilitate the sealing ring 103 to be firmly installed on the left end of the fixed sleeve 101 .

[0032] The extrusion grooves 105 are symmetrically distributed with the fixed sleeve 101 as the center. The limiting grooves 106 are internally slidably connected with the limiting snap ring 109 . The limiting snap ring 109 and the limiting spring 108 are symmetrically distributed with the fixed sleeve 101 as the center.

[0033] The number of the extrusion grooves 105 is set to two, so as to facilitate the extrusion and position movement of the internal limiting clamping ring 109 of the fixed sleeve 101.

[0034] The detection mechanism 2 includes a fixed block 201, the surface of the fixed block 201 is threadedly connected to a limit ring 202, the inner wall of the limit ring 202 is threadedly connected to a fixed ring 203, and the top of the fixed ring 203 is fixedly connected to a pressure gauge 204. By setting the limit ring 202 on the surface of the fixed block 201, the stability during connection and fixation can be achieved in conjunction with the fixed ring 203 on the inner wall of the limit ring 202, which makes it convenient for the staff to replace the top pressure gauge 204.

[0035] A fixing ring 203 is disposed on the top of the fixing block 201 , and a fixing sleeve 101 is fixedly connected to the bottom of the fixing block 201 .

[0036] The disassembly mechanism 3 includes a limit block 301, and an extrusion rod 302 is slidably connected inside the limit block 301. An extrusion plate 304 is welded to the front and rear ends of the extrusion rod 302. A handle 305 is fixedly connected to the front and rear sides of the extrusion plate 304. An extrusion spring 303 is fixedly connected to the front and rear ends of the extrusion plate 304. By setting the extrusion rod 302 inside the limit block 301, the handle 305 and the extrusion plate 304 can cooperate with the extrusion spring 303 to extend the extrusion rod 302 to the front and rear positions inside the limit block 301 when subjected to front and rear forces, so that the extrusion rod 302 squeezes the limit clamping ring 109 inside the fixed sleeve 101, which is convenient for the staff to pull out the connecting ring 104 from the left side of the fixed sleeve 101.

[0037] The number of the extrusion springs 303 is set to four, so as to facilitate the expansion and contraction of the handle 305 and the extrusion plate 304 when subjected to front and rear forces, thereby driving the extrusion rod 302 inside the limit block 301 to move in position.

[0038] The extrusion springs 303 are symmetrically distributed with the extrusion rod 302 as the center, and the limit blocks 301 are symmetrically distributed with the fixing sleeve 101 as the center.

[0039] The limiting blocks 301 are fixedly connected to the front and rear ends of the fixed sleeve 101 , and the interior of the extrusion groove 105 is slidably connected with an extrusion rod 302 .

[0040] The implementation principle of a pressure detection device for a high-pressure gas cylinder in the embodiment of the present application is as follows: the device is placed in a suitable position, and a sealing ring 103 and a connecting ring 104 are inserted into the left side of a fixed sleeve 101 to ensure the stability of the connection between the device as a whole and the high-pressure gas cylinder. A connecting rod 107 is provided at the right end of the sealing ring 103, and when the sealing ring 103 is inserted into the left end of the fixed sleeve 101, the limiting springs 108 and the limiting clamping ring 109 at the front and rear ends of the connecting rod 107 can be extended and retracted on the inner wall of the limiting groove 106, so that the sealing ring 103 is stable when connected to the left end of the fixed sleeve 101, and the leakage generated when connected to the high-pressure gas cylinder is reduced. By providing the extrusion grooves 105 opened at the front and rear ends of the fixed sleeve 101, the clamping limit springs 108 and the limiting clamping ring 109 can be extended and retracted on the inner wall of the limiting groove 106. The limiting clamping ring 109 on the inner wall of the limiting groove 106 cooperates with the extrusion rod 302 to squeeze the sealing ring 103 out from the left side of the fixed sleeve 101. By setting the limiting ring 202 on the surface of the fixed block 201, the stability of the connection and fixation can be cooperated with the fixing ring 203 on the inner wall of the limiting ring 202, which is convenient for the staff to replace the top pressure gauge 204. By setting the extrusion rod 302 inside the limiting block 301, when the handle 305 and the extrusion plate 304 are subjected to front and rear forces, the extrusion spring 303 can be cooperated to extend the extrusion rod 302 to the front and rear position inside the limiting block 301, so that the extrusion rod 302 squeezes the limiting clamping ring 109 inside the fixed sleeve 101, which is convenient for the staff to pull out the connecting ring 104 from the left side of the fixed sleeve 101.

[0041] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A pressure detection device for a high-pressure gas storage cylinder, comprising a connecting mechanism (1), a detection mechanism (2) and a disassembly mechanism (3), wherein the top of the connecting mechanism (1) is provided with the detection mechanism (2), the side of the connecting mechanism (1) is provided with the disassembly mechanism (3), the connecting mechanism (1) comprises a fixed sleeve (101), the right end of the fixed sleeve (101) is threadedly connected to a sealing rear cover (102), the front of the fixed sleeve (101) is plugged with a sealing ring (103), and the front of the sealing ring (103) is fixedly connected to a connecting ring (104); It is characterized in that The front and rear ends of the fixed sleeve (101) are provided with extrusion grooves (105), the inner wall of the fixed sleeve (101) is provided with a limit groove (106), a connecting rod (107) is welded to the right side of the sealing ring (103), the interior of the connecting rod (107) is fixedly connected to a limit spring (108), and the front and rear ends of the limit spring (108) are fixedly connected to a limit clamping ring (109).

2. A pressure detection device for a high-pressure gas storage cylinder according to claim 1, characterized in that: The extrusion groove (105) is symmetrically distributed with the fixed sleeve (101) as the center, the limit groove (106) is internally slidably connected to a limit snap ring (109), and the limit snap ring (109) and the limit spring (108) are symmetrically distributed with the fixed sleeve (101) as the center.

3. A pressure detection device for a high-pressure gas storage cylinder according to claim 1, characterized in that: The detection mechanism (2) comprises a fixed block (201), the surface of the fixed block (201) being threadedly connected to a limit ring (202), the inner wall of the limit ring (202) being threadedly connected to a fixed ring (203), and the top end of the fixed ring (203) being fixedly connected to a pressure gauge (204).

4. A pressure detection device for a high-pressure gas storage cylinder as claimed in claim 3, characterized in that: A fixing ring (203) is provided on the top of the fixing block (201), and a fixing sleeve (101) is fixedly connected to the bottom of the fixing block (201).

5. A pressure detection device for a high-pressure gas storage cylinder as claimed in claim 1, characterized in that: The disassembly mechanism (3) comprises a limit block (301), an extrusion rod (302) is slidably connected inside the limit block (301), an extrusion plate (304) is welded to the front and rear ends of the extrusion rod (302), a handle (305) is fixedly connected to the front and rear ends of the extrusion plate (304), and an extrusion spring (303) is fixedly connected to the front and rear ends of the extrusion plate (304).

6. A pressure detection device for a high-pressure gas storage cylinder as claimed in claim 5, characterized in that: The extrusion springs (303) are symmetrically distributed with the extrusion rod (302) as the center, and the limit blocks (301) are symmetrically distributed with the fixing sleeve (101) as the center.

7. A pressure detection device for a high-pressure gas storage cylinder as claimed in claim 6, characterized in that: The limit blocks (301) are fixedly connected to the front and rear ends of the fixed sleeve (101), and an extrusion rod (302) is slidably connected inside the extrusion groove (105).

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