CN221075368U - Leakage-proof check valve for pumping and inflating metal barrel - Google Patents
Leakage-proof check valve for pumping and inflating metal barrel Download PDFInfo
- Publication number
- CN221075368U CN221075368U CN202323063602.5U CN202323063602U CN221075368U CN 221075368 U CN221075368 U CN 221075368U CN 202323063602 U CN202323063602 U CN 202323063602U CN 221075368 U CN221075368 U CN 221075368U
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- valve
- connecting section
- hole
- valve body
- pumping
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- 239000002184 metal Substances 0.000 title claims abstract description 29
- 238000005086 pumping Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 36
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000010354 integration Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 2
- 238000005266 casting Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 10
- 238000003825 pressing Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a metal barrel pumping and inflating leakage-proof one-way valve, which comprises a valve body, wherein the valve body is a metal integrated casting, the lower part and the upper part of the valve body are sequentially divided into a lower connecting section, a middle section and an upper connecting section, a stepped through hole is formed in the valve body, a thread groove is formed in the inner annular surface of the lower part of the stepped through hole, external threads are formed on the outer walls of the lower connecting section and the upper connecting section, and a valve core is connected in the stepped through hole in an internal rotating manner.
Description
Technical Field
The utility model relates to the technical field of one-way valves of metal packaging barrels, in particular to an inflatable leak-proof one-way valve of a metal barrel.
Background
The packing barrels of most factories are filled with gas by punching a mounting hole in a barrel cover of a metal barrel, riveting a barrel opening part at the mounting hole, and screwing a sealing gasket on a barrel plug and sealing with a nut after pumping and inflating operation. However, after the steel drum is filled with the protective gas, an operator screws the drum plug on the drum opening part immediately, but in the process of screwing the drum plug bolt, the protective gas always leaks outside the drum, and even if the sealing is finished, the protective effect of the protective gas is not satisfactory, so that the protective effect of the protective gas is greatly reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the metal barrel pumping and inflating leakage-proof one-way valve, and solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a metal bucket is taken out and is inflated leak protection check valve, includes the valve body, the valve body is metal integration foundry goods, the valve body is lower and go up in proper order and divide into hypomere, interlude and last linkage segment, the echelonment through-hole has been seted up in the valve body, the screw thread groove has been seted up to the lower part inner ring face of echelonment through-hole, the external screw thread has all been seted up to hypomere and last linkage segment outer wall, the valve core has been connected in the echelonment through-hole internal rotation, the valve core is cylindrical boss structure and lower part boss outer ring face seted up with screw thread groove assorted, the through-hole has been seted up at the valve core middle part, be provided with the locating part in the through-hole, the valve rod is equipped with in the locating part interpolation, valve rod lower extreme fixedly connected with valve plate, first O type sealing washer is installed to the valve plate up end, the valve rod upper end is connected with the clamp plate, compression spring is installed to the clamp plate below, compression spring suit is in the valve rod outside and is connected with boss structure up end, the second O type sealing washer is equipped with to the valve core boss step position cover.
The upper connecting section is rotatably connected with a plugging cap, and threads are arranged on the inner ring surface of the plugging cap and are used for being assembled and connected with the upper connecting section.
A rectangular sealing ring is arranged on the inner side of the upper end face of the plugging cap.
And a third O-shaped sealing ring is sleeved on the lower connecting section and is used for being matched with the metal barrel cover in a sealing way.
The bottom of the lower connecting section is screwed with an external hexagonal internal screw thin nut for being assembled and fixed with the metal barrel cover.
Advantageous effects
The utility model provides a leakage-proof check valve for pumping and inflating a metal barrel. The beneficial effects are as follows: this metal bucket is taken out and is inflated leak protection check valve, the case connects soon in the valve body to make case and valve body contact portion keep sealed through the second O type sealing washer, be provided with the valve plate structure that only can downwards elasticity open in the case, and cooperate first O type sealing washer, further guarantee sealed effect, adopt middle unidirectional seal and the sealed dual seal structure of outside stifled cap, check valve bearing pressure is big, sealing performance is good, novel structure, security performance is good, can ensure product sealing performance, and realize the evacuation and pour into the function of shielding gas and self-sealing.
Drawings
FIG. 1 is a schematic diagram of a cross-sectional front view of a leak-proof check valve for pumping and inflating a metal barrel.
Fig. 2 is a schematic perspective view of a valve core according to the present utility model.
Fig. 3 is a schematic diagram of an axial measurement structure of the metal barrel pumping and inflating leak-proof check valve.
In the figure: 1. a valve body; 2. a valve core; 3. a blocking cap; 4. a rectangular sealing ring; 5. a third O-ring seal; 6. a thin nut; 101. a lower connecting section; 102. an intermediate section; 103. an upper connecting section; 201. a through hole; 202. a limiting frame; 203. a valve stem; 204. a valve plate; 205. a first O-ring seal; 206. a pressing plate; 207. a compression spring; 208. and a second O-shaped sealing ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.
Examples: as can be seen from fig. 1-3 of the accompanying drawings, the design of the present invention provides a metal barrel pumping inflatable leak-proof check valve, which comprises a valve body 1, the valve body 1 is a metal integrated casting, the lower part and the upper part of the valve body 1 are sequentially divided into a lower connecting section 101, a middle section 102 and an upper connecting section 103, a stepped through hole is formed in the valve body 1, a thread groove is formed in the inner annular surface of the lower part of the stepped through hole, external threads are formed on the outer walls of the lower connecting section 101 and the upper connecting section 103, a valve core 2 is connected in the stepped through hole in an internal mode, the valve core 2 is of a cylindrical boss structure, threads matched with the thread groove are formed in the outer annular surface of the lower boss, a through hole 201 is formed in the middle part of the valve core 2, a limiting frame 202 is arranged in the through hole 201, a valve rod 203 is inserted into the limiting frame, a valve plate 204 is fixedly connected to the lower end of the valve rod 203, a first O-shaped sealing ring 205 is mounted on the upper end surface of the valve plate 204, a pressing plate 206 is connected to the upper end of the valve rod 203, a compression spring 207 is mounted below the pressing plate 206, the outer side of the valve rod 203 is sleeved with the upper end of the boss structure, and is connected with the upper end surface of the boss structure, and a second O-shaped 208 is sleeved on the boss position of the valve core 2; the position of the upper connecting section 103 is rotationally connected with a plugging cap 3, and the inner annular surface of the plugging cap 3 is provided with a screw thread for being assembled and connected with the upper connecting section 103; a rectangular sealing ring 4 is arranged on the inner side of the upper end surface of the plugging cap 3; the lower connecting section 101 is sleeved with a third O-shaped sealing ring 5 for sealing fit with the metal barrel cover; the bottom of the lower connecting section 101 is screwed with an outer hexagonal inner screw thin nut 6 for being assembled and fixed with the metal barrel cover.
The working principle is as follows, when in use, the thin nut 6 is taken down, the lower connecting section 101 of the valve body 1 is inserted into the mounting hole position on the barrel cover of the metal packaging barrel, the valve body 1 is screwed tightly from the lower part of the barrel cover by a proper third O-shaped sealing ring 5 and the barrel cover, the valve body 1 is fixed on the barrel cover, the air extraction joint is connected to the position of the upper connecting section 103 of the valve body 1, the ejector rod of the air extraction joint pushes the pressing plate 206 at the upper end of the valve core 2 to move downwards, the compression spring 207 is stressed to shrink, the valve rod 203 and the valve plate 204 are integrally descended, the valve plate 204 is opened, the barrel body is vacuumized by the air extraction equipment, the air extraction joint is taken down, the pressing plate 206 is ascended under the elastic force of the compression spring 207, the valve plate 204 moves upwards, the valve core 2 is closed under the cooperation of the first O-shaped sealing ring 205, the air injection joint is installed, high-pressure protective gas enters through the through hole 201 of the valve core 2, pushes the valve plate 204 to move downwards under the action of air pressure, injects the protective gas into the barrel body, removes the gas injection joint after the gas injection is finished, resets the compression spring 207 at the moment, realizes the sealing of the valve core 2, can effectively avoid the leakage of the protective gas, screws the blocking cap 3 and the upper connecting section 103 to realize external sealing after the gas injection is finished, the valve core 2 is screwed into the valve body 1, the contact part of the valve core 2 and the valve body 1 is kept sealed through the second O-shaped sealing ring 208, the valve core 2 is internally provided with a valve plate 204 structure which can only be opened downwards elastically, and is matched with the first O-shaped sealing ring 205, further ensures the sealing effect, adopts a double sealing structure of middle unidirectional sealing and external blocking cap 3 sealing, has high bearing pressure of the unidirectional valve, good sealing performance, novel structure and good safety performance, can ensure the sealing performance of products, and the functions of vacuumizing, injecting protective gas and automatically sealing are realized.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a metal bucket is taken out and is inflated leak protection check valve, its characterized in that, including the valve body, the valve body is metal integration foundry goods, divide into hypomere, interlude and last linkage segment in proper order under the valve body, the echelonment through-hole has been seted up in the valve body, the screw thread groove has been seted up to the lower part inner ring face of echelonment through-hole, the external screw thread has all been seted up to hypomere and last linkage segment outer wall, the valve core has been connected with in the echelonment through-hole internal rotation, the valve core is cylindrical boss structure and lower part boss outer ring face offered with screw thread groove assorted screw thread, the through-hole has been seted up at the valve core middle part, be provided with the spacer in the through-hole, the valve rod is equipped with in the spacer interpolation, valve rod lower extreme fixedly connected with valve plate, first O type sealing washer is installed to the valve plate up end, the valve rod upper end is connected with the clamp plate, compression spring is installed to the clamp plate below, compression spring suit is in the valve rod outside and is connected with boss structure up end, the boss step position suit is equipped with the second O type sealing washer.
2. The metal barrel pumping and inflating leakage-proof one-way valve according to claim 1, wherein the upper connecting section is screwed with a plugging cap, and threads are arranged on the inner ring surface of the plugging cap and are used for being assembled and connected with the upper connecting section.
3. The metal bucket pumping and inflating leakage-proof one-way valve according to claim 2, wherein a rectangular sealing ring is arranged on the inner side of the upper end face of the blocking cap.
4. The metal bucket pumping and inflating leak-proof one-way valve of claim 1 wherein the lower connecting section is sleeved with a third O-ring for sealing engagement with the metal bucket cover.
5. The metal bucket pumping and inflating leak-proof one-way valve of claim 1, wherein the bottom of the lower connecting section is screwed with an external hexagonal internal screw thread thin nut for being assembled and fixed with a metal bucket cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323063602.5U CN221075368U (en) | 2023-11-14 | 2023-11-14 | Leakage-proof check valve for pumping and inflating metal barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323063602.5U CN221075368U (en) | 2023-11-14 | 2023-11-14 | Leakage-proof check valve for pumping and inflating metal barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075368U true CN221075368U (en) | 2024-06-04 |
Family
ID=91271594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323063602.5U Active CN221075368U (en) | 2023-11-14 | 2023-11-14 | Leakage-proof check valve for pumping and inflating metal barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075368U (en) |
-
2023
- 2023-11-14 CN CN202323063602.5U patent/CN221075368U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |