CN214036986U - High-pressure forged steel three-piece type three-way ball valve - Google Patents
High-pressure forged steel three-piece type three-way ball valve Download PDFInfo
- Publication number
- CN214036986U CN214036986U CN202023059620.2U CN202023059620U CN214036986U CN 214036986 U CN214036986 U CN 214036986U CN 202023059620 U CN202023059620 U CN 202023059620U CN 214036986 U CN214036986 U CN 214036986U
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- Prior art keywords
- piece
- valve
- pressure release
- pressure
- sealing ring
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- Expired - Fee Related
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 12
- 239000010959 steel Substances 0.000 title claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 55
- 239000007788 liquid Substances 0.000 description 5
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a three formula tee bend ball valves of high pressure forged steel, including valve body and valve rod, be provided with first sealing washer between valve body and the valve ball, the valve ball with be provided with the second sealing washer between the valve rod, the valve body corresponds the position of second sealing washer is provided with the pressure release passageway, the second sealing washer corresponds be provided with the pressure release mouth on the position of pressure release passageway, the valve rod is provided with the actuating mechanism who is used for driving second sealing washer pressure release mouth and pressure release passageway closure or intercommunication outward, actuating mechanism and second sealing washer are provided with the spring and are used for changing spring state's locking mechanical system. Through adopting above-mentioned technical scheme, when producing the high pressure in the valve, rotate to pressure release mouth and pressure release passageway intercommunication through actuating mechanism drive second sealing washer to the high-pressure release that generates heat in making the valve body makes the valve body get back to normal pressure again, then turns back the closed pressure release passageway of second sealing washer once more, easy operation, simple structure, with low costs, it is efficient.
Description
Technical Field
The utility model belongs to the valve field especially relates to a three-piece type tee bend ball valve of high pressure forged steel.
Background
The three-piece ball valve is a novel ball valve type, and has certain advantages unique to the structure of the three-piece ball valve, such as no friction on the switch, difficult abrasion on the seal and small opening and closing torque. This reduces the size of the actuator to be fitted. And a multi-rotation electric actuating mechanism is matched, so that the adjustment and the tight cutting of the medium can be realized. The device is widely applicable to working conditions of strict cutting requirements such as petroleum, chemical engineering, urban water supply and drainage and the like. The three-piece ball valve completely solves the problem that the sealing of the traditional valve is influenced by the mutual friction between the sealing surfaces.
However, the three-piece ball valve is installed in a liquid-phase co2 pipeline to control on-off, liquid co2 flows in the valve ball, when the valve ball rotates for 90 degrees to close, liquid gas in the valve ball is sealed in a valve body (a valve housing) along with rotation, two sealing gaskets are arranged between each other, if the valve ball does not act for a long time, the liquid in the valve ball is vaporized, high pressure damages sealing, especially sealing of a valve rod, and therefore the problem that how to solve the sealing of the valve rod when the three-piece three-way ball valve is in a closed state is to be solved urgently.
SUMMERY OF THE UTILITY MODEL
To sum up, for overcoming prior art not enough, the utility model provides a three-piece type tee bend ball valve of high pressure forged steel.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a three formula three-way ball valves of high pressure forged steel, includes valve body and valve rod, be provided with first sealing washer between valve body and the valve ball, the valve ball with be provided with the second sealing washer between the valve rod, the valve body corresponds the position of second sealing washer is provided with the pressure release passageway, the second sealing washer corresponds be provided with the pressure release mouth in the position of pressure release passageway, the valve rod is provided with the actuating mechanism who is used for driving second sealing washer pressure release mouth and pressure release passageway closure or intercommunication outward, actuating mechanism and second sealing washer are provided with the spring and are used for changing the locking mechanical system of spring state.
Through adopting above-mentioned technical scheme, under the usual state, the pressure release mouth is closed with the pressure release passageway, when the valve ball rotates 90 degrees and closes, the valve rod is motionless, accessible actuating mechanism drive second sealing washer rotates, make first, the second sealing washer produces the clearance, make scattered excessive liquid gas can move about and do not stop between the sealing washer, avoid the liquid gas vaporization in the valve ball to cause the high pressure, extension ball valve life, when producing the high pressure in the valve, rotate to pressure release mouth and pressure release passageway intercommunication through actuating mechanism drive second sealing washer, thereby make the high-pressure release that generates heat in the valve body, make the valve body get back to normal pressure again, then turn back the closed pressure release passageway of second sealing washer once more, and the operation is simple, moreover, the steam generator is simple in structure, the cost is low, and the efficiency is high.
The utility model discloses further set up: the driving mechanism comprises a driving piece and a clamping groove, the driving piece is sleeved outside the valve rod, the clamping groove is formed in one end of the driving piece, the second sealing ring corresponds to the clamping groove, the end, corresponding to the second sealing ring, of the driving piece is provided with a clamping portion matched with the clamping groove, when the clamping portion is inserted into the clamping groove, the driving piece is rotated to drive the second sealing ring to rotate, and the spring is arranged between the driving piece and the second sealing ring.
Through adopting above-mentioned technical scheme, make the driving piece insert and locate the draw-in groove through pressing the driving piece, then rotate the driving piece and drive the second sealing washer rotates, simple structure, and is with low costs, easy operation, laborsaving resets through the spring, and when the driving piece under the non-state of pressing, it can not drive the second sealing washer and rotate to rotate the driving piece, avoids other people to touch the influence valve normal operating by mistake, increases the security.
The utility model discloses further set up: the locking mechanism comprises a positioning assembly and a locking assembly, the positioning assembly comprises a pressing piece and a plug-in unit, the pressing piece and the plug-in unit are arranged on the driving piece, a positioning groove is formed in the valve rod, and a spring is arranged between the pressing piece and the plug-in unit.
Through adopting above-mentioned technical scheme, when the downstream driving piece to constant head tank position, press the pressing member and make plug-in components insert and locate in the constant head tank, change the driving piece and highly advance line location, mark the driving piece to what when high from the outside, card portion pegs graft with the draw-in groove mutually, and is clear and definite simple, then inserts the constant head tank with the driving piece through plug-in components, need not the people and stabilizes the driving piece always and makes its accuracy keep the height, and the spring makes its automatic re-setting, easy operation more laborsaving simultaneously.
The utility model discloses further set up: the locking assembly comprises a sliding groove arranged on the driving piece and a positioning piece used for fixing the pressing piece to be in a pressing state, and the positioning piece slides in the sliding groove.
Through adopting above-mentioned technical scheme, after pressing the pressing member and making plug-in components insert the constant head tank, the spring makes plug-in components reset, and the setting element that slides this moment makes it remove to the position of pressing member, because the setting element sets up unable breaking away from in the spout to the restriction pressing member resets, fixes a position the spring compression, easy operation, more laborsaving, need not the people and press always.
The utility model discloses further set up: the constant head tank includes first lateral wall and second lateral wall, and when the plug-in components removed to contradict with first lateral wall, the pressure release mouth was closed with the pressure release passageway, and when the plug-in components removed to contradict with the second lateral wall, the pressure release mouth communicated with the pressure release passageway.
Through adopting above-mentioned technical scheme, when the plug-in components inserted the constant head tank, then drive driving piece rotate certain angle and make plug-in components and first side wall conflict, pressure release mouth and pressure release channel intercommunication carry out the pressure release, when the valve body internal pressure is stable, drive driving piece resets and makes plug-in components remove to conflict with the second side wall, and pressure release mouth and pressure release channel are closed this moment.
The following describes embodiments of the present invention with reference to the drawings and examples.
Drawings
Fig. 1 is a front view of an embodiment of the present invention;
fig. 2 is a cross-sectional view of an embodiment of the present invention;
FIG. 3 is a perspective view of a partial structure of an embodiment of the present invention;
FIG. 4 is a partial sectional view of the structure of the embodiment of the present invention;
reference numerals: 1. the valve comprises a valve body, 11, a pressure relief channel, 2, a valve ball, 3, a valve rod, 31, a positioning groove, 311, a first side wall, 312, a second side wall, 4, a first sealing ring, 5, a locking mechanism, 51, a positioning component, 511, a pressing piece, 512, an insertion piece, 52, a locking component, 521, a positioning piece, 6, a second sealing ring, 61, a pressure relief opening, 62, a clamping groove, 7, a driving mechanism, 71, a driving piece, 711, a clamping part, 712, a sliding groove and 8 springs.
Detailed Description
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Referring to the accompanying drawings 1-4, the high-pressure forged steel three-piece three-way ball valve disclosed in this embodiment includes a valve body 1 and a valve rod 3, a first sealing ring 4 is arranged between the valve body 1 and the valve ball 2, a second sealing ring 6 is arranged between the valve ball 2 and the valve rod 3, a pressure relief channel 11 is arranged at a position of the valve body 1 corresponding to the second sealing ring 6, a pressure relief opening 61 is arranged at a position of the second sealing ring 6 corresponding to the pressure relief channel 11, a driving mechanism 7 for driving the pressure relief opening 61 of the second sealing ring 6 to be closed or communicated with the pressure relief channel 11 is arranged outside the valve rod 3, and the driving mechanism 7 and the second sealing ring 6 are provided with a spring 8 and a locking mechanism 5 for changing the state of the spring 8.
The embodiment further provides that: actuating mechanism 7 is located including the cover actuating piece 71 outside the valve rod 3 with set up in second sealing washer 6 corresponds the draw-in groove 62 of the one end of actuating piece 71, actuating piece 71 corresponds the one end of second sealing washer 6 be provided with the card portion 711 of draw-in groove 62 looks adaptation, insert when card portion 711 and locate in draw-in groove 62, rotate actuating piece 71 drives second sealing washer 6 rotates, spring 8 set up in actuating piece 71 with between the second sealing washer 6.
The embodiment further provides that: the locking mechanism 5 comprises a positioning assembly 51 and a locking assembly 52, the positioning assembly 51 comprises a pressing piece 511 and an insertion piece 512 which are arranged on the driving piece 71, the valve rod 3 is provided with a positioning groove 31, and a spring 8 is arranged between the pressing piece 511 and the insertion piece 512.
The embodiment further provides that: the locking assembly 52 includes a sliding slot 712 disposed on the driving member 71 and a positioning member 521 for fixing the pressing member 511 in a pressed state, wherein the positioning member 521 slides along the sliding slot 712.
The embodiment further provides that: the positioning slot 31 includes a first side wall 311 and a second side wall 312, when the plug 512 moves to abut against the first side wall 311, the pressure relief opening 61 is closed with the pressure relief channel 11, and when the plug 512 moves to abut against the second side wall 312, the pressure relief opening 61 is communicated with the pressure relief channel 11.
Although the terms of the valve body 1, the pressure relief passage 11, the valve ball 2, the valve stem 3, the positioning groove 31, the first side wall 311, the second side wall 312, the first sealing ring 4, the locking mechanism 5, the positioning member 51, the pressing member 511, the insert 512, the locking member 52, the positioning member 521, the second sealing ring 6, the pressure relief opening 61, the engaging groove 62, the driving mechanism 7, the driving member 71, the engaging portion 711, the sliding groove 712, the spring 8, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (5)
1. The utility model provides a three formula tee bend ball valves of high pressure forged steel, includes valve body and valve rod, its characterized in that: the valve comprises a valve body and a valve ball, and is characterized in that a first sealing ring is arranged between the valve body and the valve ball, a second sealing ring is arranged between the valve ball and a valve rod, a pressure relief channel is arranged at the position where the valve body corresponds to the second sealing ring, a pressure relief opening is arranged at the position where the second sealing ring corresponds to the pressure relief channel, a driving mechanism for driving the pressure relief opening of the second sealing ring to be closed or communicated with the pressure relief channel is arranged outside the valve rod, and a spring and a locking mechanism for changing the state of the spring are arranged on the driving mechanism and the second sealing ring.
2. The high-pressure forged steel three-piece three-way ball valve according to claim 1, wherein: the driving mechanism comprises a driving piece and a clamping groove, the driving piece is sleeved outside the valve rod, the clamping groove is formed in one end of the driving piece, the second sealing ring corresponds to the clamping groove, the end, corresponding to the second sealing ring, of the driving piece is provided with a clamping portion matched with the clamping groove, when the clamping portion is inserted into the clamping groove, the driving piece is rotated to drive the second sealing ring to rotate, and the spring is arranged between the driving piece and the second sealing ring.
3. The high-pressure forged steel three-piece three-way ball valve according to claim 2, wherein: the locking mechanism comprises a positioning assembly and a locking assembly, the positioning assembly comprises a pressing piece and a plug-in unit, the pressing piece and the plug-in unit are arranged on the driving piece, a positioning groove is formed in the valve rod, and a spring is arranged between the pressing piece and the plug-in unit.
4. The high-pressure forged steel three-piece three-way ball valve according to claim 3, wherein: the locking assembly comprises a sliding groove arranged on the driving piece and a positioning piece used for fixing the pressing piece to be in a pressing state, and the positioning piece slides in the sliding groove.
5. The high-pressure forged steel three-piece three-way ball valve according to claim 3, wherein: the constant head tank includes first lateral wall and second lateral wall, and when the plug-in components removed to contradict with first lateral wall, the pressure release mouth was closed with the pressure release passageway, and when the plug-in components removed to contradict with the second lateral wall, the pressure release mouth communicated with the pressure release passageway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059620.2U CN214036986U (en) | 2020-12-18 | 2020-12-18 | High-pressure forged steel three-piece type three-way ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023059620.2U CN214036986U (en) | 2020-12-18 | 2020-12-18 | High-pressure forged steel three-piece type three-way ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036986U true CN214036986U (en) | 2021-08-24 |
Family
ID=77339625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023059620.2U Expired - Fee Related CN214036986U (en) | 2020-12-18 | 2020-12-18 | High-pressure forged steel three-piece type three-way ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036986U (en) |
-
2020
- 2020-12-18 CN CN202023059620.2U patent/CN214036986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |