CN116067577A - Gas cylinder tightness detection device - Google Patents
Gas cylinder tightness detection device Download PDFInfo
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- CN116067577A CN116067577A CN202310350297.3A CN202310350297A CN116067577A CN 116067577 A CN116067577 A CN 116067577A CN 202310350297 A CN202310350297 A CN 202310350297A CN 116067577 A CN116067577 A CN 116067577A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/08—Mounting arrangements for vessels
- F17C13/084—Mounting arrangements for vessels for small-sized storage vessels, e.g. compressed gas cylinders or bottles, disposable gas vessels, vessels adapted for automotive use
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides a gas cylinder tightness detection device, which relates to the detection field and comprises: the top of the detection bin is provided with an air inlet pipeline; a positioning base is arranged at the bottom end of the inside of the detection bin; the positioning base is provided with a gas cylinder body; sliding grooves are formed in the left side and the right side of the positioning base; a sliding piece is arranged in the sliding groove in a sliding way; the sliding piece is of a rectangular structure; a stress groove is formed in the top of the sliding piece; the bottom of the stress groove is of an inclined structure; the positioning piece is arranged on the inner side of the sliding piece, the positioning of the gas cylinder body can be triggered by the gas pressure during gas injection detection, the gas cylinder body can be positioned autonomously, an independent driving assembly is not required to be arranged in a positioning step, the detection efficiency is improved, the production cost of the detection device can be prevented from being too high, and the problem that the gas cylinder body cannot be positioned autonomously by the gas pressure during gas injection detection in the conventional device is solved.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a gas cylinder tightness detection device.
Background
The gas cylinder is the pressure vessel of filling gas, and the gas cylinder is after producing, in order to guarantee the quality after the gas cylinder is put into use, need carry out the leakproofness to the gas cylinder in advance and detect for avoid the gas leakage's the condition that appears after the gas cylinder is put into use, and detect just need use detection device to the leakproofness of gas cylinder.
When the existing gas cylinder tightness detection device is used, in order to ensure the stability of the gas cylinder during gas filling detection, the gas cylinder is usually fixed to a certain extent, but at present, most of the fixing work of the gas cylinder needs manual operation of a positioning mechanism or the positioning mechanism is operated by adopting a matched driving component to fix the gas cylinder, the manual operation positioning efficiency is slower, the production cost of the detection device can be increased by adopting the positioning of the driving component, and the existing gas cylinder tightness detection device can not better utilize the gas pressure during gas filling detection to automatically position the gas cylinder.
Disclosure of Invention
In view of this, the invention provides a device for detecting tightness of a gas cylinder, which solves the problems that the prior fixing work of the gas cylinder mostly needs manual operation of a positioning mechanism or adopts a matched driving component to operate the positioning mechanism to fix the gas cylinder, the manual operation and positioning efficiency is slower, and the adoption of the driving component for positioning can increase the production cost of the detection device.
The invention provides a gas cylinder tightness detection device, which specifically comprises: the front side of the detection bin is provided with bin gates with two arc structures; a mounting ring is arranged on the circumferential inner wall of the detection bin; the mounting ring is provided with a wind swinging strip; an air inlet pipeline is arranged at the top of the detection bin; a positioning base is arranged at the bottom end of the inside of the detection bin; the positioning base is provided with a gas cylinder body; sliding grooves are formed in the left side and the right side of the positioning base; a sliding piece is arranged in the sliding groove in a sliding way; the sliding piece is of a rectangular structure; one end provided with a spring A is embedded into the inner side of the sliding piece; the other end of the spring A is embedded and arranged at the inner side of the sliding groove; a stress groove is formed in the top of the sliding piece; the bottom of the stress groove is of an inclined structure; a positioning piece is arranged on the inner side of the sliding piece; and the positioning piece is provided with a wind whistle.
Further, a butt joint pipeline is arranged at the top of the air inlet pipeline; the outer end of the butt joint pipeline is connected with a corresponding pipeline of external air pressure equipment; the top end of the interior of the air inlet pipeline is provided with a mounting groove A; the mounting groove A is communicated with the air inlet pipeline; the bottom of the mounting groove A is provided with a stress sleeve; the stress sleeve is of a cylindrical structure; the top of the stress sleeve is provided with a stress piece; the stress piece is of a cylindrical structure; the diameter of the stress piece is the same as the maximum diameter of the mounting groove A.
Further, a stress air groove is formed in the top of the stress piece; the forced air groove is of a conical structure; a mounting groove B is formed in the stress sleeve; an air injection pipe is arranged in the mounting groove B; the gas injection pipe is of a cylindrical structure; the bottom end of the air injection pipe penetrates through the bottom of the air inlet pipeline; the bottom of the gas injection pipe vertically corresponds to the gas injection port of the gas cylinder body; the top end of the air injection pipe is positioned at the bottom of the forced air groove; the bottom of the gas injection pipe is of a conical structure; the circumferential outer wall of the gas injection pipe is provided with gas inlet grooves in a surrounding arrangement.
Further, a baffle plate A is arranged on the gas injection pipe; the baffle plate A is of a disc-shaped structure; the baffle plate A is also slidably arranged in the mounting groove B; one end of the spring B is embedded and arranged at the top of the baffle disc A; the other end of the spring B is embedded and arranged at the top of the mounting groove B; the air injection pipe is also provided with an extrusion disc; the extrusion disc is positioned below the baffle disc A; the extrusion disc is of a disc-shaped structure; the bottom of the extrusion disc is provided with a sealing ring; the sealing ring is made of rubber.
Further, the bottom end of the air inlet pipeline is provided with a mounting groove C; a baffle plate B is arranged at the bottom of the stress sleeve; the baffle plate B is of a disc-shaped structure; the baffle plate B is also slidably arranged in the mounting groove C; one end of the spring C is embedded and installed at the bottom of the baffle disc B; the other end of the spring C is embedded and installed at the bottom of the installation groove C; the left side and the right side of the bottom of the baffle plate B are provided with pressing columns; the lower pressing column is of a cylindrical structure; the bottom of the lower pressing column is provided with a connecting piece; trigger pieces are arranged on the left side and the right side of the connecting piece; the bottom end of the trigger piece is of an inclined structure; the inclined plane of trigger piece bottom and the inclined plane laminating contact of atress groove.
The embodiment of the invention has at least the following beneficial effects:
1. after the air flow enters the air inlet pipeline, the air flow intensively pushes the stressed air groove, so that the stressed part is influenced by the air flow to drive the stressed sleeve and the air injection pipe to descend, the bottom end of the air injection pipe is lowered and inserted into the air injection port of the air cylinder body, the air flow is conveniently injected into the air inlet cylinder body to carry out tightness detection, and after the air injection pipe is inserted into the air injection port of the air inlet cylinder body, the pressing plate is matched with the air injection port of the air cylinder body to mutually apply force to press the sealing ring to press and deform the sealing ring, so that the sealing ring seals a gap between the air injection pipe and the air cylinder body through deformation, and air leakage of the air injection part is avoided, and the tightness detection result of the air cylinder body is influenced.
2. According to the invention, after the gas injection pipe is inserted into the gas injection inside of the gas inlet cylinder body, the gas injection pipe is blocked and does not continuously descend, the stress sleeve is continuously descended under the influence of gas pressure, so that the gas inlet groove is exposed, gas flow can enter the gas cylinder body through the gas inlet groove and the gas injection pipe, the gas is conveniently subjected to tightness detection, meanwhile, the stress sleeve can drive the baffle plate B, the down-pressing column, the connecting piece and the triggering piece to synchronously descend, the inclined surface of the triggering piece pushes the inclined surface of the stress groove, the sliding piece drives the positioning piece to move inwards along the sliding groove under the action of pushing the inclined surface of the stress groove, the positioning piece applies pressure to position the gas cylinder body from two sides, the phenomenon that the gas cylinder body is toppled during gas injection detection is avoided, the gas pressure during gas injection detection is utilized to trigger the positioning of the gas cylinder body, independent positioning is realized, a separate driving assembly is not needed, the positioning efficiency is effectively improved, the detection efficiency is indirectly improved, and the production cost of the detection device is not excessively high.
3. When the detected cylinder body of the gas cylinder body has the tightness problem, the injected gas flow can run out through the gap of the cylinder body, so that the gas flow blows the corresponding wind swing strip nearby, an operator can quickly know that the gas cylinder body has the tightness problem, timely remedy is facilitated, the gas cylinder body with the tightness problem is prevented from flowing into the market, meanwhile, if the position of the cylinder body of the gas cylinder body, which is contacted with the positioning piece, has the tightness problem, the gas flow can blow a wind whistle, thereby reminding the operator that the gas cylinder body is abnormal, and further, the problem that the positioning structure for positioning the gas cylinder body blocks the leakage of the gas flow is prevented, the abnormality of the gas cylinder body is not found, and the irreparable accident occurs when the later gas cylinder body is filled with some dangerous gas is caused.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic overall structure of an embodiment of the present invention.
Fig. 2 is a schematic view of a cylinder body removed state structure according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a semi-sectional structure of a detection cartridge according to an embodiment of the present invention.
Fig. 5 is an enlarged schematic view of the portion B in fig. 4 according to an embodiment of the present invention.
FIG. 6 is a schematic diagram of a semi-cut structure of a positioning base according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a semi-sectional structure of an air intake duct and a positioning base according to an embodiment of the present invention.
Fig. 8 is a schematic view of a half-cut structure of an intake duct according to an embodiment of the present invention.
Fig. 9 is a schematic of a force bearing sleeve in semi-section according to an embodiment of the present invention.
Fig. 10 is an enlarged schematic view of the portion C in fig. 9 according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a split state of an air injection pipe and a stressed sleeve according to an embodiment of the invention.
Fig. 12 is a schematic view of a force-bearing member and a trigger member according to an embodiment of the present invention.
List of reference numerals
1. A detection bin; 101. a bin gate; 102. a mounting ring; 103. wind swinging strips; 2. positioning a base; 201. a sliding groove; 202. a slider; 203. a spring A; 204. a stress groove; 205. a positioning piece; 206. a whistle; 3. an air intake duct; 301. docking the pipeline; 302. a mounting groove A; 303. a stress sleeve; 304. a force-bearing member; 305. a forced air duct; 306. a mounting groove B; 307. an air injection pipe; 308. an air inlet groove; 309. a baffle plate A; 3010. a spring B; 3011. an extrusion plate; 3012. a seal ring; 3013. a mounting groove C; 3014. a baffle plate B; 3015. a spring C; 3016. pressing down a column; 3017. a connecting piece; 3018. a trigger; 4. a gas cylinder body.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Examples: please refer to fig. 1 to 12:
the invention provides a gas cylinder tightness detection device, which comprises: the detection bin 1, the front side of the detection bin 1 is provided with two bin gates 101 with arc structures, and the detection bin 1 and the bin gates 101 are transparent; the circumference inner wall of the detection bin 1 is provided with a mounting ring 102; the mounting ring 102 is provided with a wind swinging strip 103; an air inlet pipeline 3 is arranged at the top of the detection bin 1; the inner bottom end of the detection bin 1 is provided with a positioning base 2; the positioning base 2 is provided with a gas cylinder body 4; sliding grooves 201 are formed in the left side and the right side of the positioning base 2; a slider 202 is slidably mounted inside the slide groove 201; the slider 202 has a rectangular structure; one end of the sliding piece 202, which is provided with a spring A203 in an embedded manner; the other end of the spring A203 is embedded and installed on the inner side of the sliding groove 201; the top of the sliding piece 202 is provided with a stress groove 204; the bottom of the stress groove 204 is of an inclined structure; the inside of the slider 202 is provided with a positioning piece 205; a whistle 206 is arranged on the positioning piece 205;
when the detected cylinder body 4 has the problem of tightness, the injected air flow can run out through the gap of the cylinder body, so that the air flow blows the wind swinging strips 103 corresponding to the nearby air swinging strips, an operator can quickly know that the cylinder body 4 has the problem of tightness, and timely remediation is facilitated;
if the sealing problem exists at the position of the cylinder body 4 in contact with the positioning piece 205, the air flow can blow the whistle 206, so that an operator is reminded of the abnormality of the cylinder body 4, and the positioning structure for positioning the cylinder body 4 is prevented from blocking the leakage of the air flow, so that the abnormality of the cylinder body 4 is not found, and the sufficiency of the device for detecting the sealing of the cylinder body 4 can be fully ensured;
in another embodiment: the surface of the sliding piece 202 contacted with the sliding groove 201 can be provided with the upper ball, the friction force between the sliding piece 202 and the sliding groove 201 can be reduced through the arrangement of the ball, the sliding piece 202 can move more smoothly, the abrasion can be reduced, and the service life of the sliding piece 202 is prolonged.
Wherein, the top of the air inlet pipeline 3 is provided with a butt joint pipeline 301; the outer end of the butt joint pipeline 301 is connected with a corresponding pipeline of external air pressure equipment; the top end of the inside of the air inlet pipeline 3 is provided with a mounting groove A302; the mounting groove A302 is communicated with the air inlet pipeline 3; the bottom of the mounting groove A302 is provided with a stress sleeve 303; the stress sleeve 303 has a cylindrical structure; a stress piece 304 is arranged at the top of the stress sleeve 303; the stress piece 304 is of a cylindrical structure; the diameter of the force-receiving member 304 is the same as the maximum diameter of the mounting groove a302; the top of the stress piece 304 is provided with a stress air groove 305; the forced air groove 305 has a conical structure; the inside of the stress sleeve 303 is provided with a mounting groove B306; an air injection pipe 307 is arranged in the mounting groove B306; the gas filling pipe 307 has a cylindrical structure; the bottom end of the gas injection pipe 307 penetrates the bottom of the gas inlet pipe 3; the bottom position of the gas injection pipe 307 vertically corresponds to the gas injection port of the gas cylinder body 4; the top end of the air injection pipe 307 is positioned at the bottom of the forced air groove 305; the bottom of the gas injection pipe 307 is of a conical structure; the circumferential outer wall of the gas injection pipe 307 is provided with gas inlet grooves 308 in a surrounding arrangement; a baffle plate A309 is arranged on the gas filling pipe 307; the baffle A309 is in a disc-shaped structure; baffle A309 is also slidably mounted within mounting slot B306; one end of a spring B3010 is embedded and installed at the top of the baffle plate A309; the other end of the spring B3010 is embedded and installed at the top of the installation groove B306; the gas injection pipe 307 is also provided with a squeeze plate 3011; the squeeze plate 3011 is located below baffle plate a309; the pressing plate 3011 has a disc-shaped structure; the bottom of the pressing disk 3011 is provided with a sealing ring 3012; the seal ring 3012 is made of rubber;
after the air flow enters the air inlet pipeline 3, the air flow intensively pushes the stressed air groove 305, so that the stressed part 304 is influenced by the air flow to drive the stressed sleeve 303 and the air injection pipe 307 to descend, the bottom end of the air injection pipe 307 is descended and inserted into the air injection port of the air cylinder body 4, the air flow is conveniently injected into the air cylinder body 4 to carry out tightness detection, after the air injection pipe 307 is inserted into the air injection port of the air cylinder body 4, the extrusion disk 3011 is matched with the air injection port of the air cylinder body 4 to mutually apply force to extrude the sealing ring 3012, the sealing ring 3012 is extruded and deformed, the sealing ring 3012 is sealed through deformation to seal a gap between the air injection pipe 307 and the air cylinder body 4, the air injection part is prevented from leaking, after the air injection pipe 307 is inserted into the air injection port of the air cylinder body 4, the stressed sleeve 303 is descended continuously under the influence of the air pressure, the air flow is conveniently introduced into the air cylinder body 4 through the air inlet groove 308 and the air injection pipe 307, and tightness detection is carried out.
Wherein, the bottom end of the air inlet pipeline 3 is provided with a mounting groove C3013; a baffle plate B3014 is arranged at the bottom of the stress sleeve 303; the baffle plate B3014 is of a disc-shaped structure; the baffle plate B3014 is also slidably mounted in the mounting groove C3013; one end of a spring C3015 is embedded and arranged at the bottom of the baffle plate B3014; the other end of the spring C3015 is embedded and installed at the bottom of the installation groove C3013; the left side and the right side of the bottom of the baffle plate B3014 are provided with pressing posts 3016; the lower pressing post 3016 is of a cylindrical structure; the bottom of the lower pressing post 3016 is provided with a connecting piece 3017; trigger pieces 3018 are arranged on the left side and the right side of the connecting piece 3017; the bottom end of the trigger piece 3018 is of an inclined structure; the inclined surface at the bottom end of the trigger piece 3018 is in contact with the inclined surface of the stress groove 204;
when the stress sleeve 303 descends, the stress sleeve 303 can drive the baffle plate B3014, the pressing post 3016, the connecting piece 3017 and the triggering piece 3018 to synchronously descend, so that the inclined surface of the triggering piece 3018 pushes the inclined surface of the stress groove 204, the sliding piece 202 drives the positioning piece 205 to move inwards along the sliding groove 201 under the action of pushing the inclined surface of the stress groove 204, the positioning piece 205 presses from two sides to position the gas cylinder body 4, the phenomenon that the gas cylinder body 4 falls down when gas injection is detected is avoided, and the stability of the device when the tightness of the gas cylinder body 4 is detected is improved.
Specific use and action of the embodiment: when in use, firstly, the gas cylinder body 4 is placed and installed on the positioning base 2, then the bin gate 101 is closed, then the air flow is provided by external air pressure equipment, the butt joint pipeline 301 is utilized to inject the air flow into the air inlet pipeline 3, after the air flow enters the air inlet pipeline 3, the air flow can intensively push the forced air groove 305, the forced sleeve 303 and the gas injection pipe 307 are driven to descend by the influence of the air flow of the forced part 304, the bottom end of the gas injection pipe 307 is enabled to descend and be inserted into the gas injection port of the gas cylinder body 4, the air flow is conveniently injected into the gas inlet cylinder body 4, the tightness is detected, moreover, after the gas injection pipe 307 is inserted into the gas injection port of the gas cylinder body 4, the extrusion disk 3011 is matched with the gas injection port of the gas cylinder body 4 to mutually apply force to extrude the sealing ring 3012, the sealing ring 3012 is extruded and deformed, the gap between the gas injection pipe 307 and the gas cylinder body 4 is sealed by deformation, avoiding gas leakage at the gas injection part, after the gas injection pipe 307 is inserted into the gas injection part of the gas inlet cylinder body 4, the gas injection pipe 307 is blocked and does not descend continuously, the stress sleeve 303 descends continuously under the influence of gas pressure, so that the gas inlet groove 308 is exposed, gas flow enters the gas cylinder body 4 through the gas inlet groove 308 and the gas injection pipe 307, gas is injected into the gas cylinder body 4, tightness detection is carried out on the gas cylinder body, meanwhile, when the stress sleeve 303 descends, the stress sleeve 303 drives the baffle disc B3014, the pressing column 3016, the connecting piece 3017 and the triggering piece 3018 to descend synchronously, the inclined surface of the triggering piece 3018 pushes the inclined surface of the stress groove 204, the sliding piece 202 drives the positioning piece 205 to move inwards along the sliding groove 201 under the action of the inclined surface of the stress groove 204, the positioning piece 205 pressurizes the gas cylinder body 4 from two sides, the condition that the gas cylinder body 4 is topples during gas injection detection is avoided, the stability when carrying out the leakproofness to gas cylinder body 4 to this device is improved, when the leakproofness problem exists in the gas cylinder body 4 body that detects, the air current of annotating can run out through the gap that the body exists, make the air current blow near the wind pendulum strip 103 that corresponds, thereby make operating personnel learn this gas cylinder body 4 fast and have the leakproofness problem, be convenient for in time remedy, and if there is the leakproofness problem in the position of the gas cylinder body 4 body with setting element 205 contact, the air current can blow the wind whistle 206, remind operating personnel gas cylinder body 4 to have sealed unusual.
Claims (10)
1. A gas cylinder tightness detection device, characterized by comprising: the detection bin (1), the front side of the detection bin (1) is provided with two bin gates (101) with arc structures; a mounting ring (102) is arranged on the circumferential inner wall of the detection bin (1); the mounting ring (102) is provided with a wind swinging strip (103); an air inlet pipeline (3) is arranged at the top of the detection bin (1); the inner bottom end of the detection bin (1) is provided with a positioning base (2); the positioning base (2) is provided with a gas cylinder body (4); sliding grooves (201) are formed in the left side and the right side of the positioning base (2); a sliding piece (202) is slidably arranged in the sliding groove (201); the sliding piece (202) is of a rectangular structure; one end of the spring A (203) is embedded and installed on the inner side of the sliding piece (202); the other end of the spring A (203) is embedded and arranged on the inner side of the sliding groove (201); a stress groove (204) is formed in the top of the sliding piece (202); the bottom of the stress groove (204) is of an inclined structure; a positioning piece (205) is arranged on the inner side of the sliding piece (202); a whistle (206) is arranged on the positioning piece (205).
2. A cylinder tightness testing device according to claim 1, wherein: a butt joint pipeline (301) is arranged at the top of the air inlet pipeline (3); the outer end of the butt joint pipeline (301) is connected with a corresponding pipeline of external air pressure equipment; the top end of the interior of the air inlet pipeline (3) is provided with a mounting groove A (302); the mounting groove A (302) is communicated with the air inlet pipeline (3).
3. A cylinder tightness testing device according to claim 2, wherein: a stress sleeve (303) is arranged at the bottom of the mounting groove A (302); the stress sleeve (303) is of a cylindrical structure; a stress piece (304) is arranged at the top of the stress sleeve (303); the stress piece (304) is of a cylindrical structure; the diameter of the stress piece (304) is the same as the maximum diameter of the mounting groove A (302).
4. A cylinder tightness testing device according to claim 3, wherein: a stress air groove (305) is formed in the top of the stress piece (304); the forced air groove (305) is of a conical structure; a mounting groove B (306) is formed in the stress sleeve (303); an air injection pipe (307) is arranged in the mounting groove B (306); the gas injection pipe (307) is of a cylindrical structure; the bottom end of the gas injection pipe (307) penetrates through the bottom of the gas inlet pipeline (3).
5. The cylinder tightness testing device according to claim 4, wherein: the bottom position of the gas injection pipe (307) vertically corresponds to a gas injection port of the gas cylinder body (4); the top end of the air injection pipe (307) is positioned at the bottom of the forced air groove (305); the bottom of the gas injection pipe (307) is of a conical structure; air inlet grooves (308) are formed in the circumferential outer wall of the air injection pipe (307) in a surrounding arrangement.
6. The cylinder tightness testing device according to claim 5, wherein: a baffle plate A (309) is arranged on the gas injection pipe (307); the baffle plate A (309) is of a disc-shaped structure; the baffle plate A (309) is also slidably arranged in the mounting groove B (306); one end of a spring B (3010) is embedded and installed at the top of the baffle plate A (309); the other end of the spring B (3010) is embedded and installed at the top of the installation groove B (306).
7. The cylinder tightness testing device according to claim 6, wherein: an extrusion disc (3011) is further arranged on the gas injection pipe (307); the pressing disc (3011) is positioned below the baffle disc A (309); the extrusion disc (3011) is of a disc-shaped structure; a sealing ring (3012) is arranged at the bottom of the extrusion disc (3011); the sealing ring (3012) is made of rubber.
8. The cylinder tightness testing device according to claim 7, wherein: the bottom end of the air inlet pipeline (3) is provided with a mounting groove C (3013); a baffle plate B (3014) is arranged at the bottom of the stress sleeve (303); the baffle plate B (3014) is of a disc-shaped structure; the baffle plate B (3014) is also slidably mounted in the mounting groove C (3013).
9. The cylinder tightness testing device according to claim 8, wherein: one end of a spring C (3015) is embedded and installed at the bottom of the baffle plate B (3014); the other end of the spring C (3015) is embedded and installed at the bottom of the installation groove C (3013); the left side and the right side of the bottom of the baffle plate B (3014) are provided with pressing columns (3016); the pressing column (3016) is of a cylindrical structure.
10. The cylinder tightness testing device according to claim 9, wherein: a connecting piece (3017) is arranged at the bottom of the lower pressing column (3016); trigger pieces (3018) are arranged on the left side and the right side of the connecting piece (3017); the bottom end of the trigger piece (3018) is of an inclined structure; the inclined surface at the bottom end of the trigger piece (3018) is in contact with the inclined surface of the stress groove (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310350297.3A CN116067577B (en) | 2023-04-04 | 2023-04-04 | Gas cylinder tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310350297.3A CN116067577B (en) | 2023-04-04 | 2023-04-04 | Gas cylinder tightness detection device |
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| CN116067577A true CN116067577A (en) | 2023-05-05 |
| CN116067577B CN116067577B (en) | 2023-10-17 |
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| CN202310350297.3A Active CN116067577B (en) | 2023-04-04 | 2023-04-04 | Gas cylinder tightness detection device |
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| CN116067577B (en) | 2023-10-17 |
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