CN205226444U - Ultra -low temperature ball valve - Google Patents
Ultra -low temperature ball valve Download PDFInfo
- Publication number
- CN205226444U CN205226444U CN201520968145.0U CN201520968145U CN205226444U CN 205226444 U CN205226444 U CN 205226444U CN 201520968145 U CN201520968145 U CN 201520968145U CN 205226444 U CN205226444 U CN 205226444U
- Authority
- CN
- China
- Prior art keywords
- spheroid
- valve
- manual
- rotating shaft
- entrance point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Taps Or Cocks (AREA)
Abstract
The utility model discloses a long -service -life ultra -low temperature ball valve, include: the valve body, the valve rod that sets up the spheroid in the valve body and be connected with the spheroid upper end sets up the long -neck lid in the valve body upper end valve rod outside, sets up entrance point valve gap and exit end valve gap in the valve body both sides, sets up the entrance point valve seat ring between entrance point valve gap and spheroid, the exit end valve seat ring of setting between exit end valve gap and spheroid be provided with the intake channel in entrance point valve gap and the entrance point valve seat ring be provided with exit channel in exit end valve gap and the exit end valve seat ring be provided with the lumen passageway that communicates each other with intake channel and exit channel in the spheroid be provided with sealing filler between the upper end of long -neck lid and the valve rod be provided with the gland of mutually supporting with sealing filler between sealing filler upper end long -neck lid and the valve rod.
Description
Technical field
The utility model relates to a kind of valve, particularly relates to a kind of ultra-low temperature ball valve.
Background technique
At present, the pipeline of electric power, waterpower, petrochemical industry, metallurgy industry all can use ultra-low temperature ball valve, for the cut-out of liquid in pipeline, existing ultra-low temperature ball valve generally all can arrange relief hole in spheroid import side, arranges relief hole for subsequent use at valve rod lower central portion.The relief hole arranged in spheroid outlet is all generally directly be communicated with outlet passage, when spheroid is closed condition, super-low liquid medium in pipeline can penetrated between spheroid and valve seat and between valve seat and valve rod by this relief hole through ultra-low temperature ball valve, add the probability that liquid medium leaks, the relief hole for subsequent use simultaneously arranged at valve rod lower central portion directly can affect the structural strength of valve rod, valve rod easily ruptures, reduce the working life of valve rod, in addition, between valve rod and spheroid, number of revolutions too much can produce gap, easily positional deviation is produced when now spheroid rotates in valve body, cause ultra-low temperature ball valve that easily stifled and liquid medium occurs and flow to the wild effects such as change.
Model utility content
Technical problem to be solved in the utility model is: the ultra-low temperature ball valve providing a kind of long service life.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: ultra-low temperature ball valve, comprise: valve body, the valve rod being arranged on the spheroid in valve body and being connected with spheroid upper end, be arranged on the long-neck lid outside the valve rod of valve body upper end, be arranged on entrance point valve gap and the outlet end valve gap of valve body both sides, be arranged on the entrance point seat ring between entrance point valve gap and spheroid, be arranged on the outlet end seat ring between outlet end valve gap and spheroid, inlet passage is provided with in described entrance point valve gap and entrance point seat ring, outlet passage is provided with in described outlet end valve gap and outlet end seat ring, the lumen passage be interconnected with inlet passage and outlet passage is provided with in described spheroid, stuffing box packing is provided with between the upper end and valve rod of described long-neck lid, the gland cooperatively interacted with stuffing box packing is provided with between described stuffing box packing upper end long-neck lid and valve rod, the pressure ring cooperatively interacted with stuffing box packing is provided with between described stuffing box packing lower end long-neck lid and valve rod, cover at the long-neck of described pressure ring lower end and be provided with draining board, on the side of inlet passage, automatic decompression device is provided with at described spheroid, described automatic decompression device comprises: in described spheroid, be provided with the relief hole be connected with lumen passage and the sliding chamber be connected with relief hole, slide in described sliding chamber and be provided with the slide block cooperatively interacted with it, countersunk head adjusting screw is had in the arranged outside of described spheroid, one end of described countersunk head adjusting screw is stretched in sliding chamber, spring is provided with in sliding chamber between described slide block and countersunk head adjusting screw, one end and the slide block of described spring offset, the other end and the countersunk head adjusting screw of described spring offset, air outlet hole is provided with in described spheroid, one end of described air outlet hole is interconnected with sliding chamber, the other end and the inlet passage of described air outlet hole are interconnected, the first elastic seal ring is respectively arranged with between two side slides and spheroid of described air outlet hole, the lower end of described spheroid is provided with manual operation pressure relief device, the structure of described manual operation pressure relief device comprises: the rotating shaft being fixedly installed on valve body lower end, one end of described rotating shaft is stretched in spheroid, the lower end of described spheroid is rotated and is arranged in rotating shaft, the manual relief hole be interconnected with lumen passage and the manual valve pocket be interconnected with manual relief hole is provided with in described rotating shaft, manual opening stem is provided with in described manual valve pocket, one end of described manual opening stem is stretched out rotating shaft and is connected with rotatable handle, the other end of described manual opening stem is provided with the block body cooperatively interacted with manual relief hole, the manual vent be interconnected with manual valve pocket is respectively arranged with in the both sides, lower end of described rotating shaft, the second elastic seal ring is provided with between described rotating shaft and spheroid, anti-static spring is provided with between described valve rod and spheroid.
The utility model has the advantages that: above-mentioned ultra-low temperature ball valve, when valve closing, the high pressure produced after cryogenic liquide gasification in lumen passage can be discharged in time by the automatic decompression device at spheroid exit position place, when valve open, liquid medium can be avoided to be penetrated between spheroid and valve seat and between valve seat and valve rod by relief hole by the automatic decompression device at spheroid exit position place, stop liquid medium to leak, in valve body lower end, manual operation pressure relief device is set as subsequent use simultaneously, open together with automatic decompression device and can increase exhaust efficiency and Safety performance, there is the use safety that blocking still can ensure ball valve in a relief opening, in addition, rotating shaft in manual operation pressure relief device can play positioning action to spheroid, even if number of revolutions too much can produce gap between valve rod and spheroid, also positional deviation can not be produced when spheroid rotates in valve body, structural stability, can in the subzero 196 degrees Celsius of uses of low temperature, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model ultra-low temperature ball valve.
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1.
Structural representation when Fig. 3 is the pressure release of lumen passage.
In figure: 1, valve body, 2, spheroid, 3, valve rod, 4, long-neck lid, 41, draining board, 5, entrance point valve gap, 6, outlet end valve gap, 7, entrance point seat ring, 8, outlet end seat ring, 9, inlet passage, 10, outlet passage, 11, lumen passage, 12, stuffing box packing, 13, gland, 14, pressure ring, 15, relief hole, 16, sliding chamber, 17, slide block, 18, countersunk head adjusting screw, 19, spring, 20, air outlet hole, 21, first elastic seal ring, 22, rotating shaft, 23, manual relief hole, 24, manual valve pocket, 25, manual opening stem, 26, rotatable handle, 27, block body, 28, manual vent, 29, second elastic seal ring, 30, anti-static spring.
Embodiment
Particular content of the present utility model is described in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, Fig. 2, shown in Fig. 3, ultra-low temperature ball valve, comprise: valve body 1, the valve rod 3 being arranged on the spheroid 2 in valve body 1 and being connected with spheroid 2 upper end, be arranged on the long-neck lid 4 outside valve body 1 upper end valve rod 3, be arranged on entrance point valve gap 5 and the outlet end valve gap 6 of valve body 1 both sides, be arranged on the entrance point seat ring 7 between entrance point valve gap 5 and spheroid 2, be arranged on the outlet end seat ring 8 between outlet end valve gap 6 and spheroid 2, inlet passage 9 is provided with in described entrance point valve gap 5 and entrance point seat ring 7, outlet passage 10 is provided with in described outlet end valve gap 6 with outlet end seat ring 8, the lumen passage 11 be interconnected with inlet passage 9 and outlet passage 10 is provided with in described spheroid 2, stuffing box packing 12 is provided with between the upper end and valve rod 3 of described long-neck lid 4, the gland 13 cooperatively interacted with stuffing box packing 12 is provided with between described stuffing box packing 12 upper end long-neck lid 4 and valve rod 3, the pressure ring 14 cooperatively interacted with stuffing box packing 12 is provided with between described stuffing box packing 12 lower end long-neck lid 4 and valve rod 3, the long-neck lid 4 of described pressure ring 14 lower end is provided with draining board 41, on the side of inlet passage 9, automatic decompression device is provided with at described spheroid 2, described automatic decompression device comprises: the sliding chamber 16 being provided with the relief hole 15 be connected with lumen passage 11 and being connected with relief hole 15 in described spheroid 2, slide in described sliding chamber 16 and be provided with the slide block 17 cooperatively interacted with it, countersunk head adjusting screw 18 is had in the arranged outside of described spheroid 2, one end of described countersunk head adjusting screw 18 is stretched in sliding chamber 16, spring 19 is provided with in sliding chamber 16 between described slide block 17 and countersunk head adjusting screw 18, one end and the slide block 17 of described spring 19 offset, the other end and the countersunk head adjusting screw 18 of described spring 19 offset, air outlet hole 20 is provided with in described spheroid 2, one end of described air outlet hole 20 is interconnected with sliding chamber 16, the other end and the inlet passage 9 of described air outlet hole 20 are interconnected, the first elastic seal ring 21 is respectively arranged with between two side slides 17 and spheroid 2 of described air outlet hole 20, the lower end of described spheroid 2 is provided with manual operation pressure relief device, the structure of described manual operation pressure relief device comprises: the rotating shaft 22 being fixedly installed on valve body 1 lower end, one end of described rotating shaft 22 is stretched in spheroid 2, the lower end of described spheroid 2 is rotated and is arranged in rotating shaft 22, the manual valve pocket 24 being provided with the manual relief hole 23 be interconnected with lumen passage 11 and being interconnected with manual relief hole 23 in described rotating shaft 22, manual opening stem 25 is provided with in described manual valve pocket 24, one end of described manual opening stem 25 is stretched out rotating shaft 22 and is connected with rotatable handle 26, the other end of described manual opening stem 25 is provided with the block body 27 cooperatively interacted with manual relief hole 23, the manual vent 28 be interconnected with manual valve pocket 24 is respectively arranged with in the both sides, lower end of described rotating shaft 22, the second elastic seal ring 29 is provided with between described rotating shaft 22 and spheroid 2, anti-static spring 30 is provided with between described valve rod 3 and spheroid 2.
When above-mentioned ultra-low temperature ball valve is opened, by controlling device rotary valve rod 3, valve rod 3 drives spheroid 2 to rotate in rotating shaft 22 inlet passage 9, lumen passage 11 and outlet passage 10 are interconnected, liquid medium is carried by ultra-low temperature ball valve, now as shown in Figure 2, automatic decompression device is in closing shape body, and slide block 17 and relief hole 15 are offseted by spring 19 by countersunk head adjusting screw 18, now relief hole 15 is not communicated with air outlet hole 20, and liquid medium can not be flowed out by relief hole 15.
When above-mentioned ultra-low temperature ball valve is closed, lumen passage 11 one-tenth closed states now in spheroid 2, pressure increase after liquid gasification in lumen passage 11, liquid now after gasification is entered in sliding chamber 16 by relief hole 15 and is backed down by slide block 17, spring 19 compresses, as shown in Figure 3, successively by relief hole 15 after liquid gasification now in lumen passage 11, sliding chamber 16 and air outlet hole 20 enter in inlet passage 9, pressurized gas are discharged, meanwhile manual operation pressure relief device can be opened, rotate rotatable handle 26, rotatable handle 26 drives block body 27 to be separated with manual relief hole 23, pressurized gas now in lumen passage 11 manually relief hole 23 successively, manual valve pocket 24 and manual vent 28 enter into air, pressurized gas are discharged.
Above-mentioned ultra-low temperature ball valve, when valve closing, the high pressure produced after cryogenic liquide gasification in lumen passage can be discharged in time by the automatic decompression device at spheroid exit position place, when valve open, liquid medium can be avoided to be penetrated between spheroid and valve seat and between valve seat and valve rod by relief hole by the automatic decompression device at spheroid exit position place, stop liquid medium to leak, in valve body lower end, manual operation pressure relief device is set as subsequent use simultaneously, open together with automatic decompression device and can increase exhaust efficiency and Safety performance, there is the use safety that blocking still can ensure ball valve in a relief opening, in addition, rotating shaft in manual operation pressure relief device can play positioning action to spheroid, even if number of revolutions too much can produce gap between valve rod and spheroid, also positional deviation can not be produced when spheroid rotates in valve body, structural stability, can in the subzero 196 degrees Celsius of uses of low temperature, long service life.
Claims (1)
1. ultra-low temperature ball valve, it is characterized in that: comprising: valve body (1), the valve rod (3) being arranged on the spheroid (2) in valve body (1) and being connected with spheroid (2) upper end, be arranged on the long-neck lid (4) in outside, valve body (1) upper end valve rod (3), be arranged on entrance point valve gap (5) and the outlet end valve gap (6) of valve body (1) both sides, be arranged on the entrance point seat ring (7) between entrance point valve gap (5) and spheroid (2), be arranged on the outlet end seat ring (8) between outlet end valve gap (6) and spheroid (2), inlet passage (9) is provided with in described entrance point valve gap (5) and entrance point seat ring (7), outlet passage (10) is provided with in described outlet end valve gap (6) with outlet end seat ring (8), the lumen passage (11) be interconnected with inlet passage (9) and outlet passage (10) is provided with in described spheroid (2), stuffing box packing (12) is provided with between the upper end and valve rod (3) of described long-neck lid (4), the gland (13) cooperatively interacted with stuffing box packing (12) is provided with between described stuffing box packing (12) upper end long-neck lid (4) and valve rod (3), the pressure ring (14) cooperatively interacted with stuffing box packing (12) is provided with between described stuffing box packing (12) lower end long-neck lid (4) and valve rod (3), the long-neck lid (4) of described pressure ring (14) lower end is provided with draining board (41), on the side of inlet passage (9), automatic decompression device is provided with at described spheroid (2), described automatic decompression device comprises: in described spheroid (2), be provided with the relief hole (15) be connected with lumen passage (11) and the sliding chamber (16) be connected with relief hole (15), slide in described sliding chamber (16) and be provided with the slide block (17) cooperatively interacted with it, countersunk head adjusting screw (18) is had in the arranged outside of described spheroid (2), one end of described countersunk head adjusting screw (18) is stretched in sliding chamber (16), spring (19) is provided with in sliding chamber (16) between described slide block (17) and countersunk head adjusting screw (18), one end and the slide block (17) of described spring (19) offset, the other end and the countersunk head adjusting screw (18) of described spring (19) offset, air outlet hole (20) is provided with in described spheroid (2), one end of described air outlet hole (20) is interconnected with sliding chamber (16), the other end and the inlet passage (9) of described air outlet hole (20) are interconnected, the first elastic seal ring (21) is respectively arranged with between two side slides (17) and spheroid (2) of described air outlet hole (20), the lower end of described spheroid (2) is provided with manual operation pressure relief device, the structure of described manual operation pressure relief device comprises: the rotating shaft (22) being fixedly installed on valve body (1) lower end, one end of described rotating shaft (22) is stretched in spheroid (2), the lower end of described spheroid (2) is rotated and is arranged in rotating shaft (22), the manual relief hole (23) be interconnected with lumen passage (11) and the manual valve pocket (24) be interconnected with manual relief hole (23) is provided with in described rotating shaft (22), manual opening stem (25) is provided with in described manual valve pocket (24), one end of described manual opening stem (25) is stretched out rotating shaft (22) and is connected with rotatable handle (26), the other end of described manual opening stem (25) is provided with the block body (27) cooperatively interacted with manual relief hole (23), the manual vent (28) be interconnected with manual valve pocket (24) is respectively arranged with in the both sides, lower end of described rotating shaft (22), the second elastic seal ring (29) is provided with between described rotating shaft (22) and spheroid (2), anti-static spring (30) is provided with between described valve rod (3) and spheroid (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968145.0U CN205226444U (en) | 2015-11-30 | 2015-11-30 | Ultra -low temperature ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968145.0U CN205226444U (en) | 2015-11-30 | 2015-11-30 | Ultra -low temperature ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205226444U true CN205226444U (en) | 2016-05-11 |
Family
ID=55901511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520968145.0U Expired - Fee Related CN205226444U (en) | 2015-11-30 | 2015-11-30 | Ultra -low temperature ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205226444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255909A (en) * | 2020-01-17 | 2020-06-09 | 浙江大学 | Ultra-low temperature ball valve body cavity abnormity-preventing boosting device with self-closing function and method thereof |
-
2015
- 2015-11-30 CN CN201520968145.0U patent/CN205226444U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111255909A (en) * | 2020-01-17 | 2020-06-09 | 浙江大学 | Ultra-low temperature ball valve body cavity abnormity-preventing boosting device with self-closing function and method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105422897A (en) | Ultra-low temperature ball valve | |
| CN110657245B (en) | Butterfly valve with enhanced sealing performance | |
| CN202326110U (en) | Combined admission valve of air compressor | |
| CN205226444U (en) | Ultra -low temperature ball valve | |
| CN203421188U (en) | Worm drive lever-type butterfly valve | |
| CN214119066U (en) | Outlet pressure control valve for refrigeration system | |
| CN202140576U (en) | Low-temperature stop valve | |
| CN204083332U (en) | A kind of ball valve with check function | |
| CN202674409U (en) | Bi-directional free transform one-way valve | |
| WO2023155396A1 (en) | Swing check valve having slow-closing function | |
| CN203757036U (en) | Conveniently opened cock valve | |
| CN211288775U (en) | Ultra-low temperature butterfly valve | |
| CN203309165U (en) | Novel switch ball valve | |
| CN204985793U (en) | Take pressure relief device's gate valve | |
| CN210623631U (en) | Wear-resistant high-sealing-performance knife gate valve | |
| CN209247287U (en) | A kind of ball valve inflation leakage detection device | |
| CN110388486B (en) | Anti-scouring composite valve group | |
| CN210088084U (en) | Anti-scouring composite valve set | |
| CN204878759U (en) | Two board -like water seal butterfly valves | |
| CN210510424U (en) | Gas self-closing valve | |
| CN209705362U (en) | A kind of quick action emergency valve | |
| CN203297645U (en) | High pressure resistant valve element | |
| CN220060644U (en) | High-temperature high-pressure reciprocating shaft sealing gas valve | |
| CN202132556U (en) | Ball valve with non-return function | |
| CN208458030U (en) | Automatic timing fuel gas is closed and super stream automatic disconnecting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181130 |