CN218031436U - Special stop valve for oxygen - Google Patents
Special stop valve for oxygen Download PDFInfo
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- CN218031436U CN218031436U CN202222258827.5U CN202222258827U CN218031436U CN 218031436 U CN218031436 U CN 218031436U CN 202222258827 U CN202222258827 U CN 202222258827U CN 218031436 U CN218031436 U CN 218031436U
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- valve body
- sealing
- valve
- oxygen
- stop valve
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Abstract
The utility model discloses a special stop valve of oxygen, including the stop valve body, the upper end of stop valve body is provided with the valve body, the lower extreme is provided with down the valve body, the junction of going up valve body and lower valve body is provided with sealing device, sealing device is including sealed piece and sealed the pad, the lower extreme of sealed piece and the upper end in close contact with of sealed pad, the lower extreme of sealed piece is provided with first sealing washer, first sealing washer and sealed pad joint, the upper end of sealed pad is provided with the second sealing washer, second sealing washer and sealed piece joint, the inside sliding connection of stop valve body has the valve rod, the upper end of valve rod is connected with the threaded rod, the upper end of threaded rod is connected with the knob, the lower extreme of threaded rod is provided with the case body, the case body is provided with the case, the upper end of case and the lower extreme fixed connection of valve rod, this special stop valve of oxygen passes through the setting of sealing device and case body, not only has good leakproofness, still have good effect by the oxygen transportation, do benefit to the use.
Description
Technical Field
The utility model relates to a stop valve field specifically is special stop valve of oxygen.
Background
The oxygen shutoff valve is a valve for controlling oxygen delivery, and it is required to have good sealability to ensure the transportation of oxygen and to prevent the occurrence of oxygen leakage.
At present, some current oxygen stop valves are after using for a long time, and case and stop valve body inner wall friction cause wearing and tearing, lead to can not with stop valve body inner wall in close contact with to lead to oxygen to flow, can not effectively end oxygen, the leakproofness of valve body junction is general about the while, uses for a long time, and sealing device is impaired, causes dangerous phenomena such as oxygen leakage, is unfavorable for the use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a special stop valve of oxygen to the leakproofness is relatively poor between the valve body about solving, leads to oxygen to leak, and the case is impaired, influences the problem that ends the effect
In order to achieve the above object, the utility model provides a following technical scheme: the special stop valve for oxygen comprises a stop valve body, wherein an upper valve body is arranged at the upper end of the stop valve body, a lower valve body is arranged at the lower end of the stop valve body, a sealing device is arranged at the joint of the upper valve body and the lower valve body and comprises a sealing block and a sealing gasket, the lower end of the sealing block is in close contact with the upper end of the sealing gasket, the lower end of the sealing block is provided with a first sealing ring, the first sealing ring is clamped with the sealing gasket, the upper end of the sealing gasket is provided with a second sealing ring, the second sealing ring is clamped with the sealing block, the inner sliding connection of the stop valve body is provided with a valve rod, the upper end of the valve rod is connected with a threaded rod, the upper end of the threaded rod is connected with a knob, the lower end of the threaded rod is provided with a valve core body, the valve core body is fixedly connected with the upper end of the valve core, a sealing sleeve is arranged on the outer surface of the valve core, a supporting plate is arranged on the inner surface of the sealing sleeve, a supporting rod is fixedly connected with a supporting rod, the end of the supporting rod is in sliding connection with the valve core, and a spring is sleeved on the outer surface of the supporting rod in a sliding manner.
Preferably, the upper valve body and the lower valve body are connected by fastening bolts.
Preferably, the sealing block is arranged at the lower end of the upper valve body, the sealing gasket is arranged at the upper end of the lower valve body, and the sealing block and the sealing gasket are arranged to seal a gap at the joint of the upper valve body and the lower valve body.
Preferably, the first sealing ring is arranged on the outer side of the second sealing ring, and the area of the first sealing ring is larger than that of the second sealing ring.
Preferably, the threaded rod is connected with the upper valve body through threads, and the rotary knob is arranged through the threaded rod, so that the valve core body is driven to move up and down, and oxygen is transported or stopped.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a be provided with sealed piece, sealed pad and first sealing washer and second sealing washer in sealing device, have mutual joint, closely laminate to the gap of valve body and lower valve body junction is closely sealed effect in the assurance, takes place the phenomenon that oxygen leaked away in the valve body and lower valve body junction gap from last valve body.
2. The utility model discloses the inside of the seal cover that is provided with at the case body is provided with bracing piece, backup pad and spring, and the spring-supported seal cover outwards promotes it for the seal cover is by the back that wears and teares, can also closely laminate the inner wall of stop valve body, plays good effect that ends.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the valve cartridge body of the present invention;
fig. 3 is an enlarged view of fig. 1 at a.
The reference numbers in the figures illustrate:
the stop valve comprises a stop valve body 1, an upper valve body 2, a lower valve body 3, a sealing device 4, a sealing block 5, a sealing gasket 6, a first sealing ring 7, a second sealing ring 8, a valve rod 9, a threaded rod 10, a knob 11, a valve core body 12, a valve core 13, a sealing sleeve 14, a supporting plate 15, a supporting rod 16 and a spring 17.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
Example 1
Referring to fig. 1-3, the stop valve for oxygen in the figures includes a stop valve body 1, an upper valve body 2 is disposed at the upper end of the stop valve body 1, a lower valve body 3 is disposed at the lower end of the stop valve body 1, a sealing device 4 is disposed at the joint of the upper valve body 2 and the lower valve body 3, the sealing device 4 includes a sealing block 5 and a sealing gasket 6, the lower end of the sealing block 5 is in close contact with the upper end of the sealing gasket 6, a first sealing ring 7 is disposed at the lower end of the sealing block 5, the first sealing ring 7 is clamped with the sealing gasket 6, a second sealing ring 8 is disposed at the upper end of the sealing gasket 6, the second sealing ring 8 is clamped with the sealing block 5, the sealing area is increased by the arrangement of the first sealing ring 7 and the second sealing ring 8, the sealing effect of the sealing block 5 and the sealing gasket 6 is ensured, and thus the function of ensuring that oxygen does not leak from the gap at the joint of the upper valve body 2 and the lower valve body 3 is achieved, the internal sliding connection of the stop valve body 1 has a valve rod 9, the upper end of the valve rod 9 is connected with a threaded rod 10, the upper end of the threaded rod 10 is connected with a knob 11, the lower end of the threaded rod 10 is provided with a valve core body 12, the valve core body 12 is provided with a valve core 13, the valve core 13 has the function of sealing the internal channel of the lower valve body 3, the upper end of the valve core 13 is fixedly connected with the lower end of the valve rod 9, the outer surface of the valve core 13 is provided with a sealing sleeve 14, the sealing sleeve 14 is made of rubber, the rubber is soft and has good sealing performance, when the sealing sleeve 14 is tightly contacted with the inner wall of the vertical channel of the stop valve body 1, oxygen can be stopped, transportation is forbidden, the inner surface of the sealing sleeve 14 is provided with a support plate 15, the internal part of the support plate 15 is fixedly connected with a support rod 16, the tail end of the support rod 16 is in sliding connection with the valve core 13, and the outer surface of the support rod 16 is sleeved with a spring 17 in a sliding manner, spring 17 belongs to compression spring, is in compression state, and spring 17 in compression state has the effect of outside promotion seal cover 14 to guarantee seal cover 14 always with the inner wall contact of stop valve body 1, realize good sealed effect.
In order to guarantee the leakproofness in the junction gap of upper valve body 2 and lower valve body 3, be provided with sealing device 4, sealing device 4 includes sealed piece 5, sealed 6, first sealing washer 7 and second sealing washer 8 of filling up.
In this embodiment, through the setting of sealed piece 5 and sealed 6, can seal up the gap of last valve body 2 and lower valve body 3 junction, then be provided with first sealing washer 7 and second sealing washer 8 again, have and increase the sealed area, strengthen the effect of sealed effect for oxygen can not leak in the gap of last valve body 2 and lower valve body 3 junction completely.
Example 2
In order to ensure the effect of the valve core body 12 on controlling the oxygen transportation and cut-off, a support plate 15, a support rod 16 and a spring 17 are arranged in the valve core body 12, and the spring 17 is also arranged as a compression spring.
In this embodiment, through compression spring 17's setting, have the effect of supporting and outwards promoting backup pad 15, backup pad 15 outwards promotes seal cover 14 for the surface of seal cover 14 closely laminates with the internal surface of stop valve body 1, when seal cover 14 uses impaired attenuation for a long time, spring 17 still can promote seal cover 14, makes its surface closely laminate with stop valve body 1, seals flow channel, guarantees stop effect of stop valve body 1.
This special stop valve of oxygen is when needing transportation oxygen, clockwise turning knob 11, knob 11 drives threaded rod 10, valve rod 9 and case body 12 clockwise, because threaded connection between threaded rod 10 and the last valve body 2, it can drive case body 12 and rotate the rebound, spill the passageway, can open the passageway this moment, realize the purpose of transportation oxygen, otherwise, counter-clockwise turning knob 11, case 13 and seal cover 14 that case body 12 was provided with plug up the passageway, because seal cover 14 is supported by spring 17 and is promoted, it can closely laminate with stop valve body 1 inner wall, thereby sealed to stop valve body 1 internal passage, play and carry out the purpose of ending to oxygen, this stop valve body 1 is provided with sealing device 4 again between last valve body 2 and lower valve body 3, the sealed piece 5 in the sealing device 4, sealed pad 6, first sealing washer 7 and second sealing washer 8 play good sealed effect, can guarantee the leakproofness in the junction gap of upper valve body 2 and lower valve body 3, thereby effectively prevent oxygen from leaking from this place, make this stop valve body 1 not only have good leakproofness, still have good transportation effect of ending oxygen, do benefit to the use, do not only.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.
Claims (5)
1. Special stop valve of oxygen, including stop valve body (1), its characterized in that: the stop valve comprises a stop valve body (1), wherein an upper valve body (2) is arranged at the upper end of the stop valve body (1), a lower valve body (3) is arranged at the lower end of the stop valve body, a sealing device (4) is arranged at the joint of the upper valve body (2) and the lower valve body (3), the sealing device (4) comprises a sealing block (5) and a sealing gasket (6), the lower end of the sealing block (5) is in tight contact with the upper end of the sealing gasket (6), a first sealing ring (7) is arranged at the lower end of the sealing block (5), the first sealing ring (7) is clamped with the sealing gasket (6), a second sealing ring (8) is arranged at the upper end of the sealing gasket (6), the second sealing ring (8) is clamped with the sealing block (5), a valve rod (9) is slidably connected inside the stop valve body (1), a threaded rod (10) is connected at the upper end of the valve rod (9), a knob (11) is connected at the upper end of the threaded rod (10), a valve core body (12) is arranged at the lower end of the valve core (12), a valve core (13) is fixedly connected with the lower end of the valve rod (9), a sealing gasket (14) is arranged on the outer surface of the valve core (14), and a sealing gasket (14) is arranged on the inner surface of the support plate, the support plate is characterized in that a support rod (16) is fixedly connected to the inside of the support plate (15), the tail end of the support rod (16) is connected with the valve core (13) in a sliding mode, and a spring (17) is sleeved on the outer surface of the support rod (16) in a sliding mode.
2. The oxygen dedicated shut-off valve of claim 1, wherein: the upper valve body (2) is connected with the lower valve body (3) through a fastening bolt.
3. The oxygen dedicated shut-off valve of claim 1, wherein: the sealing block (5) is arranged at the lower end of the upper valve body (2), and the sealing gasket (6) is arranged at the upper end of the lower valve body (3).
4. The oxygen dedicated stop valve of claim 1, wherein: the first sealing ring (7) is arranged on the outer side of the second sealing ring (8).
5. The oxygen dedicated shut-off valve of claim 1, wherein: the threaded rod (10) is connected with the upper valve body (2) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222258827.5U CN218031436U (en) | 2022-08-26 | 2022-08-26 | Special stop valve for oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222258827.5U CN218031436U (en) | 2022-08-26 | 2022-08-26 | Special stop valve for oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218031436U true CN218031436U (en) | 2022-12-13 |
Family
ID=84351852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222258827.5U Active CN218031436U (en) | 2022-08-26 | 2022-08-26 | Special stop valve for oxygen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218031436U (en) |
-
2022
- 2022-08-26 CN CN202222258827.5U patent/CN218031436U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee after: Kairuite Valve Group Co.,Ltd. Address before: 325000 high tech Industrial Park, Nanbin street, Rui'an City, Wenzhou City, Zhejiang Province Patentee before: KAIRUITE VALVE CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |