CN202884119U - Wellhead electric bi-pass stop valve - Google Patents
Wellhead electric bi-pass stop valve Download PDFInfo
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- CN202884119U CN202884119U CN 201220545055 CN201220545055U CN202884119U CN 202884119 U CN202884119 U CN 202884119U CN 201220545055 CN201220545055 CN 201220545055 CN 201220545055 U CN201220545055 U CN 201220545055U CN 202884119 U CN202884119 U CN 202884119U
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Abstract
The utility model relates to a wellhead electric bi-pass stop valve, and belongs to the technical field of valves. The wellhead electric bi-pass stop valve comprises a valve body, a valve rod is installed in the valve body, a first liquid inlet hole and a second liquid inlet hole communicated with through holes are formed in the left side and the right side of the valve body, a first liquid outlet hole and a second liquid outlet hole are formed in the right side of the valve body, a first open groove and a second open groove are formed at the upper end and the lower end of the valve body, the first liquid outlet hole is communicated with the bottom of the first open groove, the second liquid outlet hole is communicated with the bottom of the second open groove, an upper valve clack and a lower valve clack capable of blocking the through holes are respectively connected on the middle and lower portions of the valve rod, the upper valve clack and the lower valve clack are respectively located in the first open groove and the second open groove, an upper valve cover and a lower valve cover are installed on the first open groove and the second open groove, a support is connected on the upper face of the valve body, the upper end of the support is connected with an electric device, the upper end of the valve rod is connected with a valve rod nut which is installed in a support inner cavity, the upper end of the valve rod nut is connected with an output clutch block of the electric device, a rotation-limiting mechanism is installed on the valve rod, and the lower valve clack is located above the lower valve cover. The wellhead electric bi-pass stop valve is capable of replacing two manual single-valves to work, simple to operate, and prone to enabling automated management to be achieved.
Description
Technical field
The utility model relates to a kind of valve, the electronic bilateral stop valve of espespecially a kind of well head.
Background technique
At present, the twin flue of oil field shaft mouth is controlled respectively by two manual single valves.By controlling two manual single valves, make one of them work of two pipelines, another pipeline is not worked or two pipelines is worked simultaneously.But have troublesome poeration with two manual single-valve operations, need the shortcomings such as labor management.
The model utility content
The purpose of this utility model is to provide a kind of well head electronic bilateral stop valve, and it can replace existing two manual single valve work, and is simple to operate, is convenient to realize automatic management.
To achieve these goals, technical solution of the present utility model is: the electronic bilateral stop valve of a kind of well head, comprise valve body, the center of described valve body is provided with through hole, in the described through hole valve rod is installed, the left side of wherein said valve body is provided with, first of lower symmetry, two inlet openings, described first, two inlet openings all communicate with through hole, the axis of described the first inlet opening tilts to the upper left side, the right side of described valve body is provided with, first of lower symmetry, two liquid outlet openings, the axis of described the first liquid outlet opening tilts to the lower right, described valve body upper, the lower end be respectively equipped with communicate with through hole first, two opening slots, described the first liquid outlet opening communicates with the bottom of the first opening slot, described the second liquid outlet opening communicates with the bottom of the second opening slot, the middle part of described valve rod and bottom are connected with respectively upper flap and the lower Disc that can block through hole, described upper flap is positioned at the first opening slot, described lower Disc is positioned at the second opening slot, be sealed and installed with bonnet on described the first opening slot, the top connection cavity support of described valve body, the upper end of described support is connected with the support arm of Electric actuator, the upper end of described valve rod is spirally connected with Stem Mut after passing bonnet and support, described Stem Mut is installed on the inner chamber top of support, the upper end of described Stem Mut is connected with the output clutch block of Electric actuator, the limit rotation mechanism that limits its rotation is installed on the described valve rod, be sealed and installed with bottom flange on described the second opening slot, described lower Disc is positioned at the top of bottom flange.
The electronic bilateral stop valve of the utility model well head, wherein said limit rotation mechanism is installed in the inner chamber of support, described limit rotation mechanism comprises the male and female limiting board, described male and female limiting board is connected by screw together, the middle part of described male and female limiting board opposing side is respectively equipped with third and fourth opening slot, it is symmetrical that described third and fourth opening slot is, the cross section of the combined shaped of described third and fourth opening slot is corresponding with the shape of cross section at the continuous position of valve rod, and the shape of cross section of described valve rod at this place is dolioform.
The electronic bilateral stop valve of the utility model well head, wherein said bonnet is the large solid of rotation in little lower end, top, the outer surface lower end of described bonnet is plugged on by the sealing of the first graphite rope between the first opening slot, be provided with the 5th opening slot above the described bonnet, on described the 5th opening slot Gland is installed, Gland is passed in the upper end of described valve rod, is filled with filler between described the 5th opening slot and Gland and the valve rod, and the middle part of described filler is provided with the filler spacer ring.
The electronic bilateral stop valve of the utility model well head, cavity area between the first opening slot inwall of wherein said bonnet and valve body is disposed with from bottom to top the first seal ring, the first pressure pad, the first pendant collet is installed, supporting sleeve, thick locking nut and thin locking nut, the edge is circumferentially with the first circular groove on the wall of described the first opening slot, described the first pendant collet is embedded on the first circular groove, and described thick locking nut and thin locking nut are bolted on the bonnet respectively.
The electronic bilateral stop valve of the utility model well head, wherein said valve rod is by upper, lower valve rod connects to form, the upper end of described lower valve rod and bottom connect respectively described on, lower Disc, be provided with cylindrical the 6th opening slot of ladder above the described upper flap, on described the 6th opening slot flap gland is installed, the lower end of described upper valve rod is inserted in the 6th opening slot after passing the flap gland, the outer surface bottom of described upper valve rod is along being circumferentially with the second circular groove, several the first steel balls are installed between described the second circular groove and the 6th opening slot, each described first steel ball is positioned on the upper ladder surface of the 6th opening slot, be against below the described upper flap gland each described the first steel ball above, the outer surface top of described upper valve rod is provided with screw thread, described upper valve rod is spirally connected by the screw thread on it and Stem Mut, be provided with cylindrical the 7th opening slot of ladder below the described lower Disc, on described the 7th opening slot lower Disc gland is installed, the lower end of described lower valve rod is positioned at the 7th opening slot, the outer surface edge that is positioned at the lower valve rod part of the 7th opening slot is circumferentially with the 3rd circular groove, several the second steel balls are installed between described the 3rd circular groove and the 7th opening slot, each described the second steel ball is positioned at the bottom land of the 7th opening slot, be against above the described lower Disc gland each second steel ball below.
The electronic bilateral stop valve of the utility model well head wherein is equipped with middle part Gland, middle part Packing seat and middle part filler from the bottom to top successively between the through-hole wall of the part of the lower valve rod between described first and second inlet opening and valve body.
The electronic bilateral stop valve of the utility model well head, wherein said bottom flange is the little solid of rotation in large bottom, upper end, the outer surface upper end of described bottom flange is plugged on the sealing of the second opening slot by the second graphite rope, cavity area between described bottom flange and the second opening slot is disposed with the second seal ring and the second pressure pad from top to bottom, the edge is circumferentially with the 4th circular groove on the cell wall of described the second opening slot, in described the 4th circular groove the second pendant collet is installed, the upper end of described the second pendant collet be against the second pressure pad below, be against on the baffle plate below described the second pendant collet, link together by double-screw bolt and nut between described baffle plate and the bottom flange.
The electronic bilateral stop valve of the utility model well head, the angle of wherein said first and second inlet opening and horizontal plane are 15 degree, and the angle of described first and second liquid outlet opening and horizontal plane is 30 degree.
The electronic bilateral stop valve of the utility model well head, the support arm of wherein said Electric actuator and the upper end of support are connected and fixed by screw bolt and nut, are connected and fixed by screw bolt and nut between the lower end of described support and the valve body.
The electronic bilateral stop valve of the utility model well head is provided with bearing between the cavity inner wall of wherein said Stem Mut and support, and the upper end between described support and the Stem Mut is equipped with bearing gland, be against below the described bearing gland bearing above.
After adopting such scheme, the electronic bilateral stop valve of the utility model well head rotates by driving Stem Mut with Electric actuator, because the valve rod upper end is spirally connected with Stem Mut, and the limit rotation mechanism that limits its rotation is installed on the valve rod, like this when Stem Mut rotates, valve rod moves up and down along Stem Mut, arrange laterally zygomorphic first by the homonymy at valve body, two inlet openings, opposite side homonymy at valve body is symmetrical arranged up and down first, two liquid outlet openings, and arrange respectively in valve rod upper end and bottom, lower Disc, when valve rod moves upward, lower Disc is blocked the second inlet opening, oil can only flow out from the first liquid outlet opening, when valve rod moves downward, lower Disc breaks away from the second inlet opening, at this moment oil can be simultaneously from first, flow out in two liquid outlet openings, and when valve rod continues to move downward, upper flap is blocked the first inlet opening, oil can only flow out from the second liquid outlet opening, thereby replace existing two manual single valve work to realize respectively above-mentioned functions by controlling different control valves, this reality and Novel operating are simple, are convenient to realize automatic management.
Description of drawings
Fig. 1 is that the master of the electronic bilateral stop valve of the utility model well head looks sectional view;
Fig. 2 is that the valve body master of the electronic bilateral stop valve of the utility model well head looks sectional view;
Fig. 3 is the limit rotation mechanism plan view of the electronic bilateral stop valve of the utility model well head.
Below in conjunction with accompanying drawing, by embodiment the utility model is described further;
Embodiment
As shown in Figure 1, the electronic bilateral stop valve of the utility model well head comprises valve body 1, valve rod 3 and Electric actuator 14.Wherein Electric actuator 14 is outsourcing piece, and model is DZW120, and production unit is Yangzhou electric power.Be provided with intelligent electric actuating mechanism on the Electric actuator 14, this intelligent electric actuating mechanism adopts frequency conversion speed-down, drives output clutch block 17 and rotates.In conjunction with shown in Figure 2, the center of valve body 1 is processed with through hole 2.Valve rod 3 is installed in the through hole 2.The left side of valve body 1 is processed with the first inlet opening 4 and second inlet opening 5 of upper and lower symmetry.The first inlet opening 4 and the second inlet opening 5 all communicate with through hole 2.The axis of the first inlet opening 4 tilts to the upper left side, and the first inlet opening 4, the second inlet opening 5 are 15 degree with horizontal plane angle.Valve body 1 right side is processed with the first liquid outlet opening 6 and second liquid outlet opening 7 of upper and lower symmetry.The axis of the first liquid outlet opening 6 tilts to the lower right, and the first liquid outlet opening 6 and the second liquid outlet opening 7 are 30 degree with the angle of horizontal plane.The upper and lower end of valve body 1 is processed with respectively the first opening slot 8 and the second opening slot 9.The first liquid outlet opening 6 communicates with the bottom of the first opening slot 8.The second liquid outlet opening 7 communicates with the bottom of the second opening slot 9.Valve rod 3 is connected to form by upper valve rod 38 and lower valve rod 39.Design is convenient to install like this.The upper end of lower valve rod 39 and bottom are connected with respectively upper flap 10 and the lower Disc 11 that can block through hole 2.Upper flap 10 is positioned at the first opening slot 8, is processed with cylindrical the 6th opening slot 40 of ladder above the upper flap 11.On the 6th opening slot 40 flap gland 41 is installed.The lower end of upper valve rod 38 is inserted in the 6th opening slot 40 after passing flap gland 41.The outer surface bottom of upper valve rod 38 is along circumferentially being processed with the second circular groove 42.Between the second circular groove 42 and the 6th opening slot 40 several the first steel balls 43 are installed, each first steel ball 43 is positioned on the upper stepped surfaces of the 6th opening slot 40.Be against below the upper flap gland 41 each first steel ball 43 above.Design guarantees that upper valve rod 38 and lower valve rod 39 are fixed together like this.Lower Disc 11 is positioned at the second opening slot 9.Be processed with cylindrical the 7th opening slot 44 of ladder below the lower Disc 10.On the 7th opening slot 44 lower Disc gland 45 is installed.The lower end of lower valve rod 39 is positioned at the 7th opening slot 44, and the outer surface edge that is positioned at lower valve rod 39 parts of the 7th opening slot 44 circumferentially is processed with the 3rd circular groove 46.Between the 3rd circular groove 46 and the 7th opening slot 44 several the second steel balls 47 are installed.Each second steel ball 47 is positioned at the bottom land of the 7th opening slot 44.Be against above the lower Disc gland 45 each second steel ball 47 below.Design guarantees that lower valve rod 39 and lower Disc 11 link together like this.Be sealed and installed with bonnet 12 on the first opening slot 8.Bonnet 12 is the large solid of rotation in little lower end, top.The outer surface lower end of bonnet 12 is plugged on by 26 sealings of the first graphite rope between the first opening slot 8.Be processed with the 5th opening slot 34 above the bonnet 12.On the 5th opening slot 34 Gland 35 is installed.Gland 35 is passed in the upper end of upper valve rod 39.Be filled with filler 36 between the 5th opening slot 34 and Gland 35 and the valve rod 3, the middle part of filler 36 is provided with filler spacer ring 37.Design guarantees that in conjunction with the Seal Design between the first opening slot 8 and the bonnet 12 oil enters in the first opening slot 8 like this, and is only logical from 6 outflows of the first liquid outlet opening, and can be from other local leakage.Cavity area between the first opening slot 8 inwalls of bonnet 12 and valve body 1 is disposed with from bottom to top the first seal ring 27, the first pressure pad 28, the first pendant collet 29, supporting sleeve 30, thick locking nut 31 and thin locking nut 32 is installed.Design guarantees that further oil does not leak like this.The edge circumferentially is processed with the first circular groove 33 on the wall of the first opening slot 8.The first pendant collet 29 is embedded on the first circular groove 33.Thick locking nut 31 and thin locking nut 32 are bolted in respectively on the bonnet 12.The top of valve body 1 connects cavity support 13 by bolts and nuts.The upper end of support 13 is connected by the support arm of screw bolt and nut with Electric actuator 14.The outer surface top of upper valve rod 38 is processed with screw thread, and the upper end of upper valve rod 38 is screwed onto with Stem Mut 15 by the screw thread on it after passing bonnet 12 and support 13.The output clutch block 17 of the upper end of Stem Mut 15 and Electric actuator 14 is connected and fixed.Stem Mut 15 is installed on the inner chamber top of support 13, between Stem Mut 15 and the support 13 bearing 57 is installed, and the upper end installation shaft pressure cap 18 between support 13 and the Stem Mut 15 is connected by screw fixing between bearing gland 18 and the support 13.Be against below the bearing gland 18 bearing 17 above.The limit rotation mechanism 20 that limits its rotation is installed on the upper valve rod 38, and as shown in Figure 3, limit rotation mechanism 20 is fixed in the inner chamber of support 13.Limit rotation mechanism 20 comprises male limiting board 21 and female limiting board 22.Male limiting board 21 and female limiting board 22 link together by screw 25.The middle part of male limiting board 21, female limiting board 22 opposing sides is processed with respectively the 3rd opening slot 23 and the 4th opening slot 24.The 3rd opening slot 23 and the 4th opening slot are symmetrical about in the of 24.Link to each other with valve rod 3 shape of cross section at position of the cross section of the 3rd opening slot 23 and the combined shaped of the 4th opening slot 24 is corresponding, and the shape of cross section of upper valve rod 38 at this place is dolioform.Middle part Gland 48, middle part Packing seat 49 and middle part filler 50 are installed between through hole 2 inwalls of lower valve rod 39 parts between the first inlet opening 4 and the second inlet opening 5 and valve body 1 from the bottom to top successively.Assurance oil can not revealed from sealing.Be sealed and installed with bottom flange 19 on the second opening slot 9.Bottom flange 19 is the little solid of rotation in large bottom, upper end.The outer surface upper end of bottom flange 19 is plugged on 9 sealings of the second opening slot by the second graphite rope 51.Cavity area between bottom flange 19 and the second opening slot 9 is disposed with the second seal ring 52 and the second pressure pad 53 from top to bottom.The edge circumferentially is processed with the 4th circular groove 54 on the cell wall of the second opening slot 9.The second pendant collet 55 is installed in the 4th circular groove 54.The upper end of the second pendant collet 55 be against the second pressure pad 53 below.Be against on the baffle plate 56 below the second pendant collet 55.Link together by double-screw bolt and nut between baffle plate 56 and the bottom flange 19.Lower Disc 10 is positioned at the top of bottom flange 19.
The electronic bilateral stop valve of the utility model well head rotates by driving Stem Mut 15 with the output clutch block 17 on the Electric actuator 14, because upper end and the Stem Mut 15 of upper valve rod 38 are spirally connected, and the limit rotation mechanism 20 that restriction valve rod 3 rotates is installed on the upper valve rod 38, like this when Stem Mut 15 rotates, valve rod 3 can move up and down along Stem Mut 15, process laterally zygomorphic the first inlet opening 4 and the second inlet opening 5 by the left side at valve body 1, symmetrical processing the first liquid outlet opening 6 and the second liquid outlet opening 7 about the right side of valve body 1, and upper end and bottom at lower valve rod 39 arrange respectively flap 10 and lower Disc 11, when valve rod 3 moves upward, lower Disc 11 is blocked the second inlet opening 5, and oil can only flow out from the first liquid outlet opening 6; When valve rod 3 moved downward, lower Disc 11 broke away from the second inlet opening 5, and at this moment oil can flow out from the first liquid outlet opening 6 and the second liquid outlet opening 7 simultaneously; And when valve rod 3 continues to move downward, upper flap 10 is blocked the first inlet opening 4, oil can only flow out from the second liquid outlet opening 7, thereby replace existing two manual single valve work to realize respectively above-mentioned functions by controlling different control valves, this reality and Novel operating are simple, are convenient to realize automatic management.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in related domain make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (10)
1. electronic bilateral stop valve of well head, comprise valve body (1), the center of described valve body (1) is provided with through hole (2), valve rod (3) is installed in the described through hole (2), it is characterized in that: the left side of described valve body (1) is provided with, first of lower symmetry, two inlet openings (4,5), described first, two inlet openings (4,5) all communicate with through hole (2), the axis of described the first inlet opening (4) tilts to the upper left side, the right side of described valve body (1) is provided with, first of lower symmetry, two liquid outlet openings (6,7), the axis of described the first liquid outlet opening (6) tilts to the lower right, described valve body (1) upper, the lower end be respectively equipped with communicate with through hole (2) first, two opening slots (8,9), described the first liquid outlet opening (6) communicates with the bottom of the first opening slot (8), described the second liquid outlet opening (7) communicates with the bottom of the second opening slot (9), the middle part of described valve rod (3) and bottom are connected with respectively upper flap (10) and the lower Disc (11) that can block through hole (2), described upper flap (10) is positioned at the first opening slot (8), described lower Disc (11) is positioned at the second opening slot (9), be sealed and installed with bonnet (12) on described the first opening slot (8), the top connection cavity support (13) of described valve body (1), the upper end of described support (13) is connected with the support arm of Electric actuator (14), the upper end of described valve rod (3) is passed behind bonnet (12) and the support (13) and Stem Mut (15) is spirally connected, described Stem Mut (15) is installed on the inner chamber top of support (13), the upper end of described Stem Mut (15) is connected with the output clutch block (17) of Electric actuator (14), the limit rotation mechanism (20) that limits its rotation is installed on the described valve rod (3), be sealed and installed with bottom flange (19) on described the second opening slot (9), described lower Disc (10) is positioned at the top of bottom flange (19).
2. the electronic bilateral stop valve of well head as claimed in claim 1, it is characterized in that: described limit rotation mechanism (20) is installed in the inner chamber of support (13), described limit rotation mechanism (20) comprises public affairs, female limiting board (21,22), described public affairs, female limiting board (21,22) link together by screw (25), described public affairs, female limiting board (21,22) middle part of opposing side is respectively equipped with the 3rd, four opening slots (23,24), the described the 3rd, four opening slots (23,24) be symmetrical, the described the 3rd, the cross section of the combined shaped of four opening slots (23,24) is corresponding with the shape of cross section at the continuous position of valve rod (3), and the shape of cross section of described valve rod (3) at this place is dolioform.
3. the electronic bilateral stop valve of well head as claimed in claim 2, it is characterized in that: described bonnet (12) is the large solid of rotation in little lower end, top, the outer surface lower end of described bonnet (12) is plugged on by the sealing of the first graphite rope (26) between the first opening slot (8), be provided with the 5th opening slot (34) above the described bonnet (12), Gland (35) is installed on described the 5th opening slot (34), Gland (35) is passed in the upper end of described valve rod (3), be filled with filler (36) between described the 5th opening slot (34) and Gland (35) and the valve rod (3), the middle part of described filler (36) is provided with filler spacer ring (37).
4. the electronic bilateral stop valve of well head as claimed in claim 3, it is characterized in that: the cavity area between the first opening slot (8) inwall of described bonnet (12) and valve body (1) is disposed with the first seal ring (27) from bottom to top, the first pressure pad (28), the first pendant collet (29) is installed, supporting sleeve (30), thick locking nut (31) and thin locking nut (32), the edge is circumferentially with the first circular groove (33) on the wall of described the first opening slot (8), described the first pendant collet (29) is embedded on the first circular groove (33), and described thick locking nut (31) and thin locking nut (32) are bolted in respectively on the bonnet (12).
5. such as the electronic bilateral stop valve of the described well head of one of claim 1-4, it is characterized in that: described valve rod (3) is by upper, lower valve rod (38,39) connect to form, the upper end of described lower valve rod (39) and bottom connect respectively described on, lower Disc (10,11), be provided with cylindrical the 6th opening slot of ladder (40) above the described upper flap (10), flap gland (41) is installed on described the 6th opening slot (40), the lower end of described upper valve rod (38) is inserted in the 6th opening slot (40) after passing flap gland (41), the outer surface bottom of described upper valve rod (38) is along being circumferentially with the second circular groove (42), several the first steel balls (43) are installed between described the second circular groove (42) and the 6th opening slot (40), each described first steel ball (43) is positioned on the upper ladder surface of the 6th opening slot (40), be against below the described upper flap gland (41) each described the first steel ball (43) above, the outer surface top of described upper valve rod (38) is provided with screw thread, described upper valve rod (38) is spirally connected by the screw thread on it and Stem Mut (15), be provided with cylindrical the 7th opening slot of ladder (44) below the described lower Disc (11), lower Disc gland (45) is installed on described the 7th opening slot (44), the lower end of described lower valve rod (39) is positioned at the 7th opening slot (44), the outer surface edge that is positioned at lower valve rod (39) part of the 7th opening slot (44) is circumferentially with the 3rd circular groove (46), several the second steel balls (47) are installed between described the 3rd circular groove (46) and the 7th opening slot (44), each described the second steel ball (47) is positioned at the bottom land of the 7th opening slot (44), be against above the described lower Disc gland (45) each second steel ball (47) below.
6. the electronic bilateral stop valve of well head as claimed in claim 5, it is characterized in that: be positioned between through hole (2) inwall of lower valve rod (39) part between described first and second inlet opening (4,5) and valve body (1) middle part Gland (48), middle part Packing seat (49) and middle part filler (50) are installed from the bottom to top successively.
7. the electronic bilateral stop valve of well head as claimed in claim 6, it is characterized in that: described bottom flange (19) is the little solid of rotation in large bottom, upper end, the outer surface upper end of described bottom flange (19) is plugged on the second opening slot (9) sealing by the second graphite rope (51), cavity area between described bottom flange (19) and the second opening slot (9) is disposed with the second seal ring (52) and the second pressure pad (53) from top to bottom, the edge is circumferentially with the 4th circular groove (54) on the cell wall of described the second opening slot (9), the second pendant collet (55) is installed in described the 4th circular groove (54), the upper end of described the second pendant collet (55) be against the second pressure pad (53) below, be against below described the second pendant collet (55) on the baffle plate (56), link together by double-screw bolt and nut between described baffle plate (56) and the bottom flange (19).
8. the electronic bilateral stop valve of well head as claimed in claim 7 is characterized in that: described first and second inlet opening (4,5) is 15 degree with the angle of horizontal plane, and described first and second liquid outlet opening (6,7) is 30 degree with the angle of horizontal plane.
9. the electronic bilateral stop valve of well head as claimed in claim 8, it is characterized in that: the upper end of the support arm of described Electric actuator (14) and support (13) is connected and fixed by screw bolt and nut, is connected and fixed by screw bolt and nut between the lower end of described support (13) and the valve body (1).
10. such as claim 1 or the electronic bilateral stop valve of 2 or 3 or 4 or 6 or 7 or 8 or 9 described well heads, it is characterized in that: be provided with bearing (57) between the cavity inner wall of described Stem Mut (15) and support (13), upper end between described support (13) and the Stem Mut (15) is equipped with bearing gland (18), be against below the described bearing gland (18) bearing (17) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545055 CN202884119U (en) | 2012-10-23 | 2012-10-23 | Wellhead electric bi-pass stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545055 CN202884119U (en) | 2012-10-23 | 2012-10-23 | Wellhead electric bi-pass stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202884119U true CN202884119U (en) | 2013-04-17 |
Family
ID=48075549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220545055 Expired - Lifetime CN202884119U (en) | 2012-10-23 | 2012-10-23 | Wellhead electric bi-pass stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202884119U (en) |
-
2012
- 2012-10-23 CN CN 201220545055 patent/CN202884119U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: JIANGSU TENGLONG PETROCHEMICAL MACHINERY Co.,Ltd. Assignor: Dai Yiming Contract record no.: 2014320000351 Denomination of utility model: Wellhead electric bi-pass stop valve Granted publication date: 20130417 License type: Exclusive License Record date: 20140430 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |