CN2864254Y - Straight through-type damage prevention anti-theft gate valve - Google Patents
Straight through-type damage prevention anti-theft gate valve Download PDFInfo
- Publication number
- CN2864254Y CN2864254Y CN 200620080242 CN200620080242U CN2864254Y CN 2864254 Y CN2864254 Y CN 2864254Y CN 200620080242 CN200620080242 CN 200620080242 CN 200620080242 U CN200620080242 U CN 200620080242U CN 2864254 Y CN2864254 Y CN 2864254Y
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- key
- assembly
- gate valve
- pin
- proof
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- Preventing Unauthorised Actuation Of Valves (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model is a straight-through gate-valve with anti-damage and anti-theft, which belongs to a valve-control device, consisting of a key assembly, a core assembly, a gate-valve assembly and a gate-valve. The upside power part of key assembly consists of a big handle, a small handle, a vertical handle, the outer axis of the key, the core axis of the key, a counting gear and a drive gear; the lower communication and transmission part of the key assembly consists of pins, pins slide rail and the key core axis. The core assembly consists of a swing joint, a leading screw plate, a switching screw, a shaft bearing, key pins, a spring and a press head. The key pin connects the key assembly with the core assembly in one part. The gate-valve assembly consists of a valve plate, a valve base and a seal ring. Inserting the key assembly into the core assembly on the upside hollow space, turning the small handle firstly to make the key pin to insert into the swing joint, and then turning the big handle to open or close the gate-valve. The most outstanding feature is anti-theft and anti-damage, characterized in waterproof and rust prevention; the utility model has ingenious structure, flexible opening and is difficult to duplicate, in addition that it overcomes the weakness of prior technologies such as special wrench and password lock.
Description
(1) technical field
The utility model relate to oilfield well head, crude oil oil storage tank and drilling well diesel fuel tank into and out of hydraulic fluid port, or the valve configurations of petroleum pipeline relates in particular to its valve operating device, prevents the device of unauthorised actuation.It particularly is the tamper-proof theft-proof gate valve of a kind of straight-through type.
(2) background technique
The open-air a large amount of well mouth of oil well in oil field, raw oil tank and drilling well diesel fuel tank oil inlet and outlet, petroleum pipeline valve, long-time unmanned, the lawless person often opens the valve stolen without authorization, and not only national wealth incurs loss, and pollute the environment, even can cause serious serious accident.For this reason, four kinds of anti-theft technique measures are usually adopted in each oil field: the one, pin with the handle of chain and lock handle gate valve, but the lawless person still can sawed-off chain or is broken open a lock, stolen as usual; The 2nd, adopt cipher lock, but password is decrypted sometimes, loses antitheft effect, combination disk goes to pot sometimes, and operator oneself also can't open; The 3rd, adopt common lock to add special spanner open and close gate valve, but spanner copy easily, anti-theft effect is also undesirable; The 4th, adopt protective housing that production wellhead or gate valve are partly covered, though anti-theft effect is better, cost is higher, and brings inconvenience for field maintenance and handling failure.By retrieval, existing tens pieces of relevant patent documentation, but all do not break through above-mentioned conventional method.
(3) summary of the invention
In view of there is above-mentioned shortcoming and defect part in prior art, the purpose of this utility model just is that the innovation development provides a kind of distinguished straight-through type tamper-proof theft-proof gate valve.Make its existing antitheft performance of unloading reliably, good preventing destructing performance is arranged again, both be convenient to operation, cost is lower again.
Above-mentioned purpose is realized by following technical proposals:
This theft-proof gate valve comprises key assembly, lock core assembly, gate assembly and gate valve body four parts, and the key assembly has a style of one's own, and its excess-three partly is integrated.It is characterized in that the key assembly by big handle, miniature lever, perpendicular handle, key outer shaft, key mandrel, key shaft-cup, calculate gear, driving gear, gear-bearing, gear cap, key pin and key pin slide rail and form.Big handle is fixed on the outer surface of key outer shaft upper end, and miniature lever is fixed on the outer surface of key mandrel upper end by the miniature lever cover, and perpendicular handle is fixed on the miniature lever.The key shaft-cup is installed to the top of key outer shaft and the two ring cavity of key mandrel.Calculate gear, driving gear and gear-bearing be installed in the key shaft-cup above.Gear cap be installed in calculate gear, driving gear and gear-bearing above.Constitute the power section on key assembly top by above component.The outer end of key pin radially is installed in the pin-and-hole at key outer shaft middle part, and its inner end is installed in the axially oblique chute of key pin slide rail.The key pin slide rail is installed in the middle and lower part of key mandrel with engage thread.Constitute the connection drive part of key assembly bottom by above component.The lock core assembly is made up of conversion adapter, leading screw seat, switching leading screw, bearing support, bearing, lock pin, spring, spring capping, pressure cap and pressure cap pin.The upper end of conversion adapter is installed in the pressure cap inner chamber by lock pin.The following installation of conversion adapter opens and closes leading screw and leading screw seat, between the three is mutual bearing is arranged.Lock pin, spring and spring capping are installed in the radial hole on pressure cap top.The upper end portion of gate valve body is arrived in the pressure cap underpart with the pressure cap dowel fixes.The gate assembly is made up of flashboard, valve seat and seal ring.Flashboard is installed in engage thread and opens and closes on the leading screw.Seal ring is installed at flashboard top and gate valve body matching gap place.Valve seat is installed in the inlet/outlet inner port place of gate valve body.
Key mandrel in the tamper-proof theft-proof gate valve of above-mentioned straight-through type is a cylindrical shape.There is a radial teeth that matches with driving gear its upper end portion.On the cylindrical of middle part an annular boss is arranged on it.The outside thread that matches with the key slide rail is arranged at its middle part and bottom.
Key outer shaft in the tamper-proof theft-proof gate valve of above-mentioned straight-through type is a drum, and mouth upwards.3～7 radial holes that key pins are installed are uniformly distributed along the circumference in the middle part of it.Its upper-end surface dozens of tooth that is uniformly distributed along the circumference, its lower end surface is a sharp cone distal.
Key slide rail in the tamper-proof theft-proof gate valve of above-mentioned straight-through type is a cylindrical shape, and the screwed hole of centre that matches with key mandrel outside thread is arranged.3～7 oblique T-shape chutes that key pin is installed are uniformly distributed along the circumference on its cylindrical.
Conversion adapter in the tamper-proof theft-proof gate valve of above-mentioned straight-through type is a drum, and mouth upwards.Its upper end portion is uniformly distributed along the circumference 3～7 the radial holes of lock pins is installed.The annular boss that its cylindrical middle part has an installation bearing to use.There are two radially outer lug boss its underpart.
Switching leading screw in the tamper-proof theft-proof gate valve of above-mentioned straight-through type is a cylindrical shape.The outer plush copper that its upper top has two two interior plush coppers with the leading screw seat to match has the outside thread that matches with flashboard center internal thread on all the other cylindricals.
Flashboard in the tamper-proof theft-proof gate valve of above-mentioned straight-through type, the external diameter of the big Lower Half of external diameter of its first half.The interior circle of the cylindrical of its first half and gate valve body is for movingly, and the first half has inner chamber.The both sides of its Lower Half are tapered plane, match with valve seat.Its Lower Half has and opens and closes the screwed hole of centre that the leading screw outside thread matches.Its lower end closed.
The outstanding advantage of this gate valve be antitheft unload with preventing destructing performance very good.Its key assembly and lock core assembly are independent separately, and the two structure is ingenious, are difficult to copy, and operation has knack, open flexibly; Key components such as lock pin are hidden on the key chamber inwall, are difficult for being found, and also are difficult for being knocked destruction; Overall structure is hermetically sealed, the waterproof favorable rust preventing effect, and working life is longer.This is present more satisfactory a kind of tamper-proof theft-proof gate valve, can be used for oilfield well head, crude oil oil storage tank and drilling well diesel fuel tank into and out of hydraulic fluid port, or unmanned part such as petroleum pipeline, has favorable economic benefit and social benefit.
(4) description of drawings
Accompanying drawing 1 is that overall structure of the present utility model is partly cutd open schematic representation.
Accompanying drawing 2 is that its lock core assembly, gate assembly and valve body partly cut open schematic representation.
Accompanying drawing 3 is that its key assembly partly cuts open schematic representation.
Accompanying drawing 5 is Fig. 1,2 B-B sectional schematic diagram.
Accompanying drawing 7 is D-D sectional schematic diagrams of Fig. 1.
Accompanying drawing 8 is E-E sectional schematic diagrams of Fig. 2.
(5) embodiment
Embodiment of accompanying drawings:
In the accompanying drawing, the 1st, gate valve body, the 2nd, valve seat, the 3rd, flashboard, the 4th, open and close leading screw, the 5th, leading screw seat, the 6th, leading screw bearing, the 7th, Yx seal ring, 8,12,22, the 36th, " O " RunddichtringO, the 9th, pressure cap pin, 10,14, the 26th, bearing, the 11st, conversion adapter, the 13rd, bearing support, the 15th, pressure cap, the 16th, key outer shaft, the 17th, key pin slide rail, the 18th, spring capping, the 19th, spring, the 20th, lock pin, the 21st, key pin, the 23rd, big handle, the 24th, big handle lacing wire, the 25th, key shaft-cup, the 27th, gear cap, the 28th, perpendicular handle, the 29th, miniature lever, the 30th, miniature lever lacing wire, the 31st, miniature lever cover, the 32nd, handhole cover, the 33rd, calculate gear, the 34th, driving gear, the 35th, key mandrel.F among Fig. 2,8 is a key chamber, and the G among Fig. 1,3 is the oblique chute on the key pin slide rail 17, and the H among Fig. 3 is the unlatching positioning mark in the handle lacing wire.
By shown in Figure 1, this gate valve comprises key assembly, lock core assembly, gate assembly and gate valve body four parts.The key assembly has a style of one's own, and as shown in Figure 3, its excess-three partly is integrated, as shown in Figure 2.It is characterized in that the key assembly as shown in Figure 3, form by big handle 23, miniature lever 29, perpendicular handle 28, key outer shaft 16, key mandrel 35, key shaft-cup 25, calculating gear 33, driving gear 34, gear-bearing 26, gear cap 27, key pin 21 and key pin slide rail 17.Big handle 23 is fixed on the key outer shaft 16 upper end outer surfaces by lacing wire 24, and miniature lever 29 is fixed on the key mandrel 35 upper end outer surfaces by lacing wire 30 and miniature lever cover 31, and perpendicular handle 28 is fixed on the miniature lever 29.Key shaft-cup 25 is installed in the top of key outer shaft 16 and key mandrel 35 the two ring cavity.Calculate gear 33, driving gear 34 and gear-bearing 26 be installed in key shaft-cup 25 above.Gear cap 27 be installed in calculate gear 33, driving gear 34 and gear-bearing 26 above.Constitute the power section on key assembly top by above component.The outer end of key pin 21 radially is installed in the pin-and-hole at key outer shaft 16 middle parts, and its inner end is installed among the axially oblique chute G of key pin slide rail 17.Key pin slide rail 17 usefulness engage thread are installed in the middle and lower part of key mandrel 35.Constitute the connection drive part of key assembly bottom by above component.The lock core assembly is made up of conversion adapter 11, leading screw seat 5, switching leading screw 4, bearing support 13, bearing 6,10 and 14, lock pin 20, spring 19, spring capping 18, pressure cap 15 and pressure cap pin 9 as shown in Figure 2.The upper end of conversion adapter 11 is installed in pressure cap 15 inner chambers by lock pin 20.The following installation of conversion adapter 11 opens and closes leading screw 4 and leading screw seat 5, between the three is mutual bearing 6,10 and 14 is arranged.Lock pin 20, spring 19 and spring capping 18 are installed in the radial hole on pressure cap 15 tops.Pressure cap 15 underparts are fixed to the upper end portion of gate valve body 1 with pressure cap pin 9.Valve assembly is made up of flashboard 3, valve seat 2 and seal ring 7,8 shown in Fig. 1 or 2.Flashboard 3 usefulness engage thread are installed in and open and close on the leading screw 4. Seal ring 7,8 is installed at flashboard 3 tops and gate valve body 1 matching gap place.Valve seat 2 is installed in the inlet/outlet inner port place of gate valve body 1.
Shown in Fig. 3,6, key mandrel 35 is a cylindrical shape.There is a radial teeth that matches with driving gear 34 its upper end portion.On the cylindrical of middle part an annular boss is arranged on it.The outside thread that matches with key pin slide rail 17 is arranged at its middle part and bottom.
Shown in Fig. 3,6,7, key outer shaft 16 is a drum, and mouth upwards.Five radial holes that key pin 21 is installed are uniformly distributed along the circumference in the middle part of it.The top end dozens of mark tooth that is uniformly distributed along the circumference on it.Its lower end surface is the pointed cone shape.
Shown in Fig. 3,7, key pin slide rail 17 is a cylindrical shape, and the screwed hole of centre that matches with key mandrel 35 outside threads is arranged.Be uniformly distributed along the circumference on its cylindrical five the oblique T-shape chute G of key pin 21 is installed.
Shown in Fig. 2,8,5, conversion adapter 11 is a drum, and mouth upwards.Its upper end portion five radial holes that lock pin 20 is installed that are uniformly distributed along the circumference.There is the annular boss of an installation bearing 14 at its cylindrical middle part.There are two radially outer plush coppers its underpart.
Shown in Fig. 2,4, opening and closing leading screw 4 is cylindrical shape, the outer plush copper that its upper top has two two interior plush coppers with leading screw seat 5 to match.
By shown in Figure 2, the first half external diameter of flashboard 3 is greater than the Lower Half external diameter.Its first half has inner chamber.The both sides of its Lower Half are tapered plane, match with valve seat 2.Its Lower Half has and opens and closes the screwed hole of centre that leading screw 4 outside threads match.Its lower end closed.
The use operating process of this gate valve is:
If will open or close this gate valve, then key assembly shown in Figure 3 is inserted the key chamber F on lock core assembly top shown in Figure 2, and make key pin 21 aim at lock pin 20.The first step, rotating vertical handle 28, drive key mandrel 35 and rotate by miniature lever 29, lacing wire 30, taper knob 31, make key pin slide rail 17 be moved down into position shown in Figure 1 by position shown in Figure 3, key pin 21 slides along oblique chute G on one side, Yi Bian protruding gradually, insert in the radial hole of conversion adapter 11 until key pin 21 first halfs, and lock pin 20 is expressed in the radial hole of pressure cap 15, key pin 21 is latter half of still in the radial hole of key outer shaft 16, shown in Fig. 1,7.At this moment, key assembly and lock core total performance are connected in one by key pin 21.Write down the initial position of the mark H in the handle lacing wire.Second step, rotate big handle 23, drive key outer shaft 16 and rotate.Because key outer shaft 16 and conversion adapter 11 are connected in one by key pin 21, shown in Fig. 1,7, so conversion adapter 11 also together rotates with key outer shaft 16.By shown in Figure 5, two radially outer plush coppers of conversion adapter 11 are stirred two radially interior plush coppers of leading screw seat 5 again, and leading screw seat 5 is rotated.By shown in Figure 4, leading screw seat 5 is stirred the outer plush copper that opens and closes leading screw 4 by plush copper in it again, makes to open and close leading screw 4 rotations.By shown in Figure 1, the rotation that opens and closes leading screw 4 makes flashboard 3 upper and lower moving, and reaches the purpose of unlatching or closing gate valve.The full breakdown of this gate valve, contract fully, half breakdown state all can be come out by top dozens of mark tooth mark on the key outer shaft 16, also can see the mark tooth number that calculates gear 33 correspondences by the handhole cover among Fig. 6 32.Its operation knack and mark have only the personnel of the operation be responsible for to grasp, and flexible and convenient operation, and other people use the key assembly also to be difficult for opening or closing this gate valve, so antitheft very reliable.Because the lock pin 20 of its most critical etc. are hidden on the inwall of key chamber F, difficult quilt knocks destruction, so preventing destructing performance is fine.Because whole hermetically sealed, so the waterproof good antirust property, working life is longer.
Claims (7)
1. tamper-proof theft-proof gate valve of straight-through type, comprise the key assembly, the lock core assembly, gate assembly and gate valve body four parts, the key assembly has a style of one's own, its excess-three partly is integrated, it is characterized in that the key assembly is by big handle (23), miniature lever (29), perpendicular handle (28), key outer shaft (16), key mandrel (35), key shaft-cup (25), calculate gear (33), driving gear (34), gear-bearing (26), gear cap (27), key pin (21) and key pin slide rail (17) are formed, big handle (23) is fixed on the outer surface of key outer shaft (16) upper end by lacing wire (24), miniature lever (29) is fixed on the outer surface of key mandrel (35) upper end by lacing wire (30) and miniature lever cover (31), perpendicular handle (28) is fixed on the miniature lever (29), key shaft-cup (25) is installed in the top of key outer shaft (16) and the two ring cavity of key mandrel (35), calculate gear (33), driving gear (34) and gear-bearing (26) be installed in key shaft-cup (25) above, gear cap (27) is installed in calculates gear (33), above driving gear (34) and the gear-bearing (26), constitute the power section on key assembly top by above component, the outer end of key pin (21) radially is installed in the pin-and-hole at key outer shaft (16) middle part, its inner end is installed in the axially oblique chute (G) of key pin slide rail (17), key pin slide rail (17) is installed in the middle and lower part of key mandrel (35) with engage thread, is made of the connection drive part of key assembly bottom above component; The lock core assembly is by conversion adapter (11), leading screw seat (5), open and close leading screw (4), bearing support (13), bearing (6), (10) and (14), lock pin (20), spring (19), spring capping (18), pressure cap (15) and pressure cap pin (9) are formed, the upper end of conversion adapter (11) is installed in pressure cap (15) inner chamber by lock pin (20), the following installation of conversion adapter (11) opens and closes leading screw (4) and leading screw seat (5), between the three is mutual bearing (6) is arranged, (10) and (14), in the radial hole on pressure cap (15) top lock pin (20) is installed, spring (19) and spring capping (18), pressure cap (15) underpart is fixed to the top of gate valve body (1) with pressure cap pin (9); The gate assembly is made up of flashboard (3), valve seat (2) and seal ring (7), (8), flashboard (3) is installed in engage thread and opens and closes on the leading screw (4), seal ring (7), (8) are installed by flashboard (3) top and gate valve body (1) matching gap place, and valve seat (2) is installed in the inlet/outlet inner port place of gate valve body (1).
2. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, it is characterized in that key mandrel (35) is a cylindrical shape, there is a radial teeth that matches with driving gear (34) its upper end portion, on the cylindrical of middle part an annular boss is arranged on it, the outside thread that matches with key pin slide rail (17) is arranged at its middle part and bottom.
3. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, the cylindrical drum shape that it is characterized in that key outer shaft (16), mouth upwards, 3～7 radial holes that key pins (21) are installed are uniformly distributed along the circumference in the middle part of it, the top end dozens of mark tooth that is uniformly distributed along the circumference on it, its lower end surface is the pointed cone shape.
4. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, it is characterized in that key pin slide rail (17) is a cylindrical shape, the screwed hole of centre that matches with key mandrel (35) outside thread is arranged, and 3～7 oblique T-shape chutes (G) that key pin (21) is installed are uniformly distributed along the circumference on its cylindrical.
5. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, it is characterized in that conversion adapter (11) is a drum, mouth upwards, its upper end portion is uniformly distributed along the circumference 3～7 the radial holes of lock pins (20) is installed, there is the annular boss of an installation bearing (14) at its cylindrical middle part, and there are two radially outer plush coppers its underpart.
6. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, it is characterized in that opening and closing leading screw (4) is cylindrical shape, the outer plush copper that its upper top has two two interior plush coppers with leading screw seat (5) to match.
7. the tamper-proof theft-proof gate valve of straight-through type according to claim 1, the first half external diameter that it is characterized in that flashboard (3) is greater than the Lower Half external diameter, and its first half has inner chamber, and its Lower Half has and opens and closes the screwed hole of centre that leading screw (4) outside thread matches, its lower end closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620080242 CN2864254Y (en) | 2006-01-12 | 2006-01-12 | Straight through-type damage prevention anti-theft gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620080242 CN2864254Y (en) | 2006-01-12 | 2006-01-12 | Straight through-type damage prevention anti-theft gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864254Y true CN2864254Y (en) | 2007-01-31 |
Family
ID=37676705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620080242 Expired - Fee Related CN2864254Y (en) | 2006-01-12 | 2006-01-12 | Straight through-type damage prevention anti-theft gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864254Y (en) |
-
2006
- 2006-01-12 CN CN 200620080242 patent/CN2864254Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |