CN218494223U - Oxygen valve with lengthened valve rod - Google Patents
Oxygen valve with lengthened valve rod Download PDFInfo
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- CN218494223U CN218494223U CN202222743629.8U CN202222743629U CN218494223U CN 218494223 U CN218494223 U CN 218494223U CN 202222743629 U CN202222743629 U CN 202222743629U CN 218494223 U CN218494223 U CN 218494223U
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- valve rod
- connecting sleeve
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Abstract
The utility model discloses an oxygen valve of extension valve rod relates to the valve field, solves the flexible problem of extension valve rod. The valve comprises a first valve rod and a second valve rod which are coaxially arranged, wherein a connecting mechanism is arranged between the first valve rod and the second valve rod; the connecting mechanism comprises a lower connecting sleeve, an upper connecting sleeve and a connecting sleeve, the top end of the first valve rod and the bottom end of the second valve rod are respectively in linkage connection with the lower connecting sleeve and the upper connecting sleeve, and the connecting sleeve is sleeved outside the lower connecting sleeve and the upper connecting sleeve in a threaded manner to form fixed connection. The valve rod is divided into a first valve rod and a second valve rod, and the first valve rod and the second valve rod are connected and linked through a linking mechanism, so that the length of a single valve rod is shortened, the valve rod is not easy to bend and deform, the damage in use is avoided to a certain extent, the assembly and the carrying are more convenient, and the processing difficulty is reduced; the connecting sleeve is connected with the lower connecting sleeve and the upper connecting sleeve, so that the first valve rod and the second valve rod are connected more simply, and the assembly and disassembly operations are quicker.
Description
Technical Field
The utility model belongs to the technical field of the valve and specifically relates to an oxygen valve of extension valve rod.
Background
The oxygen valve has more strict requirements for the opening and closing device on the oxygen conveying pipeline than other general valves. Because oxygen is a flammable and explosive hazardous material, it is necessary to prevent leakage, static electricity, and spark to avoid accidents. The chinese utility model patent of current publication No. CN212251154U, with patent name of extension oxygen stop valve discloses being equipped with in the extension pipe and passing the extension valve rod that the valve gap extends into the installation cavity, realized remote control's security, however, the valve rod is too long and thin after the extension, and in the in-process of equipment, transport or use, bending deformation very easily.
Disclosure of Invention
The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an oxygen valve of an extension valve rod, which solves the problem that the extension valve rod is easy to bend.
The technical scheme of the utility model: the valve comprises a valve cover, an opening and closing piece, a hand wheel, a first valve rod and a second valve rod which are coaxially arranged, wherein a connecting mechanism is arranged between the first valve rod and the second valve rod; the connecting mechanism comprises a lower connecting sleeve, an upper connecting sleeve and a connecting sleeve, the top end of the first valve rod and the bottom end of the second valve rod are respectively in linkage connection with the lower connecting sleeve and the upper connecting sleeve, and the connecting sleeve is sleeved outside the lower connecting sleeve and the upper connecting sleeve in a threaded manner to form fixed connection; the first valve rod movably penetrates into the valve cover and is in linkage connection with the opening and closing piece at the bottom end, and the top end of the second valve rod is connected with the hand wheel.
By adopting the technical scheme, the valve rod is divided into the first valve rod and the second valve rod, and the first valve rod and the second valve rod are connected and linked through the linking mechanism, so that the length of a single valve rod is shortened, the valve rod is not easy to bend and deform, the damage in use is avoided to a certain extent, the assembly and the carrying are more convenient, and the processing difficulty is reduced; the connecting sleeve is connected with the lower connecting sleeve and the upper connecting sleeve, so that the first valve rod and the second valve rod are connected more simply, and the assembling and disassembling operation is quicker.
The utility model discloses a further setting: the lower support and the upper support are installed outside the connecting mechanism and fixedly connected through a stud piece, an inner cavity for the connecting mechanism to move is formed between the lower support and the upper support, and the first valve rod and the second valve rod movably penetrate through the lower support and the upper support respectively.
Adopt above-mentioned further setting, lower carriage and upper bracket are used for protecting linking mechanism.
The utility model discloses a further setting again: the top end of the first valve rod and the bottom end of the second valve rod are respectively in threaded connection with a nut, and the nuts are respectively in jacking fit with the lower connecting sleeve and the upper connecting sleeve.
By adopting the above further setting, the first valve rod and the lower connecting sleeve and the second valve rod and the upper connecting sleeve are connected in a linkage manner through nut fixing, the design is reasonable, and the installation is rapid.
The utility model discloses a still further set up: the periphery of the lower connecting sleeve is convexly provided with a ring boss, and the bottom end of the connecting sleeve is in top pressure fit with the ring boss; the upper connecting sleeve is provided with an annular groove, a snap ring is connected in the annular groove in a clamping manner, and the top end of the connecting sleeve is in top pressure fit with the snap ring.
By adopting the above further arrangement, the connecting sleeve can be limited by the ring boss and the snap ring, so that the connecting sleeve is prevented from being dislocated under abnormal conditions, and the effectiveness of connection is ensured.
The utility model discloses a still further set up: the upper support is fixedly provided with a support sleeve, and the support sleeve is movably sleeved on the periphery of the rod body of the second valve rod.
By adopting the above further arrangement, the support sleeve has a support effect on the second valve rod, and the structural strength of the second valve rod is enhanced.
The utility model discloses a still further set up: the lower support and the upper support are also provided with an explosion-proof layer, a bottom cavity with an opening at the bottom is arranged in the explosion-proof layer, and the lower support and the upper support are arranged in the bottom cavity.
By adopting the above further arrangement, the explosion-proof layer effectively isolates the explosive areas in the bottom cavity and below the bottom cavity, thereby ensuring personal safety and improving the protection effect.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
wherein, 1, valve cover; 2. an opening and closing member; 3. a hand wheel; 4. a first valve stem; 5. a second valve stem; 6. a joining mechanism; 61. a lower connecting sleeve; 62. an upper connecting sleeve; 63. connecting sleeves; 71. a lower bracket; 72. an upper bracket; 73. an inner cavity; 41. a nut; 611. a ring boss; 621. a snap ring; 8. a support sleeve; 9. an explosion-proof layer; 91. a bottom cavity.
Detailed Description
As shown in fig. 1 and 2, the oxygen valve with an extended valve rod comprises a valve cap 1, an opening and closing member 2, a hand wheel 3, and a first valve rod 4 and a second valve rod 5 which are coaxially arranged, wherein a connecting mechanism 6 is arranged between the first valve rod 4 and the second valve rod 5, and the connecting mechanism 6 is used for connecting the first valve rod 4 and the second valve rod 5, so that the first valve rod 4 and the second valve rod 5 can be linked. The connecting mechanism 6 comprises a lower connecting sleeve 61, an upper connecting sleeve 62 and a connecting sleeve 63, the top end of the first valve rod 4 and the bottom end of the second valve rod 5 are respectively connected with the lower connecting sleeve 61 and the upper connecting sleeve 62 in a linkage manner, and the connecting sleeve 63 is externally sleeved outside the lower connecting sleeve 61 and the upper connecting sleeve 62 in a threaded manner to form fixed connection; the first valve rod 4 is movably inserted into the valve cover 1 and is in linkage connection with the opening and closing piece 2 at the bottom end, and the top end of the second valve rod 5 is connected with the hand wheel 3. Can order about second valve stem 5 through controlling hand wheel 3 and go up and down, first valve stem 4 also can go up and down the activity because of linking mechanism 6 linkage to the drive is opened and close piece 2 and is opened and close the action. The opening and closing piece 2 can be a valve clack in the stop valve, a flashboard in the gate valve and the like, and therefore the technical scheme of the application can be applied to the oxygen stop valve and the oxygen gate valve.
A lower bracket 71 and an upper bracket 72 are mounted outside the joining mechanism 6, the lower bracket 71 and the upper bracket 72 are fixedly connected through a peripheral stud member after being spliced, an inner cavity 73 for the joining mechanism 6 to move is formed between the lower bracket 71 and the upper bracket 72, and the first valve rod 4 and the second valve rod 5 respectively movably penetrate through the lower bracket 71 and the upper bracket 72. The displacement path of the engagement means 6 is always located in the interior 73, so that the engagement means 6 are protected.
The top end of the first valve rod 4 and the bottom end of the second valve rod 5 are respectively screwed with a nut 41, and the nuts 41 are respectively matched with the lower connecting sleeve 61 and the upper connecting sleeve 62 in a pressing mode. When the valve is opened, the second valve rod 5 is lifted, the nut 41 of the second valve rod 5 presses against the upper adapter sleeve 62, the upper adapter sleeve 62 drives the lower adapter sleeve 61 to move along with the upper adapter sleeve 63, and the nut 41 of the first valve rod 4 presses against the lower adapter sleeve 61, so that the first valve rod 4 is driven to lift. When the valve is closed, the second valve rod 5 is lowered to press against the first valve rod 4, and the first valve rod 4 is driven to descend.
In order to prevent the connecting sleeve 63 from dislocating, a ring boss 611 is convexly arranged on the periphery of the lower connecting sleeve 61, and the bottom end of the connecting sleeve 63 is in press fit with the ring boss 611; an annular groove is formed in the upper connecting sleeve 62, a clamping ring 621 is clamped in the annular groove, and the top end of the connecting sleeve 63 is in abutting fit with the clamping ring 621. Therefore, before the snap ring 621 is not detached, the connecting sleeve 63 can only move between the snap ring 621 and the ring boss 611, and the lower connecting sleeve 61 and the upper connecting sleeve 62 are prevented from being separated abnormally.
The upper bracket 72 is fixedly connected with a support sleeve 8, and the support sleeve 8 is movably sleeved on the shaft periphery of the second valve rod 5 to form a support for the second valve rod 5.
The lower support 71 and the upper support 72 are also provided with an explosion-proof layer 9, a bottom cavity 91 with an opening at the bottom is arranged in the explosion-proof layer 9, and the lower support 71 and the upper support 72 are arranged in the bottom cavity 91. The oxygen valve is actually arranged in an explosion-proof room formed by the explosion-proof layer 9 in an isolated mode, and the life safety of operators is guaranteed.
Claims (6)
1. The utility model provides an oxygen valve of extension valve rod, including valve gap, opening and close piece and hand wheel, its characterized in that: the valve also comprises a first valve rod and a second valve rod which are coaxially arranged, and a connecting mechanism is arranged between the first valve rod and the second valve rod; the connecting mechanism comprises a lower connecting sleeve, an upper connecting sleeve and a connecting sleeve, the top end of the first valve rod and the bottom end of the second valve rod are respectively in linkage connection with the lower connecting sleeve and the upper connecting sleeve, and the connecting sleeve is sleeved outside the lower connecting sleeve and the upper connecting sleeve in a threaded manner to form fixed connection; the first valve rod movably penetrates into the valve cover and is in linkage connection with the opening and closing piece at the bottom end, and the top end of the second valve rod is connected with the hand wheel.
2. The extended stem oxygen valve of claim 1, wherein: the lower support and the upper support are installed outside the connecting mechanism and fixedly connected through a stud piece, an inner cavity for the connecting mechanism to move is formed between the lower support and the upper support, and the first valve rod and the second valve rod movably penetrate through the lower support and the upper support respectively.
3. The extended stem oxygen valve of claim 1 or 2, wherein: the top end of the first valve rod and the bottom end of the second valve rod are respectively in threaded connection with a nut, and the nuts are respectively in top pressing fit with the lower connecting sleeve and the upper connecting sleeve.
4. The extended stem oxygen valve of claim 1 or 2, wherein: the periphery of the lower connecting sleeve is convexly provided with a ring boss, and the bottom end of the connecting sleeve is in top pressing fit with the ring boss; the upper connecting sleeve is provided with an annular groove, a clamping ring is clamped in the annular groove, and the top end of the connecting sleeve is in top-pressing fit with the clamping ring.
5. The extended stem oxygen valve of claim 2, wherein: and a support sleeve is fixedly arranged on the upper support, and the support sleeve is movably sleeved on the periphery of the rod body of the second valve rod.
6. The extended stem oxygen valve of claim 2, wherein: the anti-explosion device is characterized in that anti-explosion layers are arranged outside the lower support and the upper support, a bottom cavity with an opening at the bottom is formed in each anti-explosion layer, and the lower support and the upper support are arranged in the bottom cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743629.8U CN218494223U (en) | 2022-10-18 | 2022-10-18 | Oxygen valve with lengthened valve rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222743629.8U CN218494223U (en) | 2022-10-18 | 2022-10-18 | Oxygen valve with lengthened valve rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218494223U true CN218494223U (en) | 2023-02-17 |
Family
ID=85193859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222743629.8U Active CN218494223U (en) | 2022-10-18 | 2022-10-18 | Oxygen valve with lengthened valve rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218494223U (en) |
-
2022
- 2022-10-18 CN CN202222743629.8U patent/CN218494223U/en active Active
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