CN114198513A - Liquid pipeline stop valve structure and use method - Google Patents
Liquid pipeline stop valve structure and use method Download PDFInfo
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- CN114198513A CN114198513A CN202111460291.9A CN202111460291A CN114198513A CN 114198513 A CN114198513 A CN 114198513A CN 202111460291 A CN202111460291 A CN 202111460291A CN 114198513 A CN114198513 A CN 114198513A
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- valve
- fixedly connected
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a liquid pipeline stop valve structure which comprises a valve channel, wherein an installation assembly is fixedly arranged on the outer side of the valve channel, a threaded rod with one end penetrating through and extending to the inner side of the valve channel is movably connected to the outer side of the installation assembly, a twisting disc is fixedly connected to the outer side of the threaded rod, a connection assembly is fixedly arranged on the outer side of the valve channel, a sealing assembly is fixedly arranged on the inner side of the valve channel, the installation assembly comprises a valve cover with one end movably connected with the outer side of the valve channel, an installation hole is formed in the valve cover, a fixed rod positioned on the valve cover is fixedly connected to the inner side of the installation hole, an installation ring is fixedly connected to the outer side of the valve channel, and a clamping assembly is fixedly arranged in the installation ring. According to the liquid pipeline stop valve structure and the using method, after the valve cover and the rotary rotating rod on the installation assembly are extruded, the clamping block and the installation ring are attached and separated, so that the valve cover can be conveniently assembled and disassembled by workers, and the effect of convenience in assembly is achieved.
Description
Technical Field
The invention relates to the technical field of valve body equipment, in particular to a stop valve structure of a liquid pipeline and a using method.
Background
The stop valve is a valve which is most widely used, and has the advantages of small friction force between sealing surfaces in the opening and closing process, durability, small opening height, easiness in manufacturing, convenience in maintenance, suitability for middle and low pressure environments and high pressure environments.
At present current stop valve is in sealed lid department, because the connected mode is comparatively complicated, leads to the equipment of the earlier stage to the valve gap of being not convenient for to and the later stage to the dismantlement and the maintenance of valve gap, current stop valve removes to cause the unloading at the valve gap easily moreover, causes the waste of resource, so proposes a liquid pipeline stop valve structure and application method and solves above-mentioned problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the structure of the stop valve for the liquid pipeline and the use method, which have the advantages of convenience in assembly and maintenance and the like and solve the problem of inconvenience in assembly and maintenance.
In order to achieve the purpose, the invention provides the following technical scheme: a liquid pipeline stop valve structure comprises a valve channel, wherein a mounting assembly is fixedly mounted on the outer side of the valve channel, a threaded rod with one end penetrating through and extending to the inner side of the valve channel is movably connected to the outer side of the mounting assembly, a twisting disc is fixedly connected to the outer side of the threaded rod, a connecting assembly is fixedly mounted on the outer side of the valve channel, and a sealing assembly is fixedly mounted on the inner side of the valve channel;
the mounting component comprises a valve cover, one end of the valve cover is movably connected with the outer side of the valve channel, a mounting hole is arranged in the valve cover, the inner side of the mounting hole is fixedly connected with a fixed rod positioned on the valve cover, the outer side of the valve passage is fixedly connected with a mounting ring, a clamping component is fixedly arranged in the mounting ring, a rotating rod with one end penetrating and extending to the clamping component is movably connected at the outer side of the fixing rod, a clamping block with one end penetrating and extending to the inside of the mounting ring is fixedly connected to the outer side of the rotating rod, a rubber block is fixedly connected between the rotating rod and the inner side of the mounting hole, the inner side of the valve cover is fixedly connected with a sealing ring with one end attached to the inner side of the valve channel, the inner side of the valve cover is fixedly connected with a limiting ring with one end penetrating and extending to the inner part of the valve channel, the outer side of the valve cover is fixedly connected with a hollow pipe, and one end of the outer side of the hollow pipe is fixedly connected with a connecting cover in threaded connection with the outer side of the threaded rod.
Further, the joint subassembly includes that one end is seted up in the mounting groove in the collar outside, the inboard fixedly connected with of mounting groove is located the rubber pad on the collar, the outside fixedly connected with supporting shoe of rubber pad.
Further, the outside of fixture block is the slope form, the draw-in groove of one end and mounting groove intercommunication is seted up to the inside of collar, the specification of draw-in groove and the specification phase-match of fixture block.
Further, the spread groove has been seted up in the outside of valve way, the specification of spread groove and the specification phase-match of spacing ring, the inboard first sealing washer of the equal fixedly connected with in outside and the sealing ring of spread groove.
Further, coupling assembling includes the outside swing joint's that one end and valve were said pipeline, the solid fixed ring of the inboard laminating of the outside fixedly connected with one end and pipeline that the valve was said, the outside fixedly connected with one end that the valve was said runs through and extends to the inside go-between of pipeline, the first support ring of outside fixedly connected with that the valve was said, the outside fixedly connected with second support ring of pipeline, the equal fixed mounting in inside of first support ring and second support ring has spacing subassembly.
Further, the outside swing joint of first support ring has one end to run through and extend to the gag lever post in the second support ring outside, the outside fixedly connected with rotating ring of gag lever post, the outside fixedly connected with dog of gag lever post, fixedly connected with extrusion spring between the outside of dog and rotating ring, the outside fixedly connected with one end of gag lever post runs through and extends to the inside stopper of second support ring.
Further, the through-hole has all been seted up with the inside of second support ring to first support ring, the specification of through-hole and the specification phase-match of rotating ring, the spacing groove of one end and through-hole intercommunication is all seted up with the inboard of second support ring to first support ring, the fixed slot of one end and through-hole intercommunication is seted up in the outside of second support ring, the specification of spacing groove and fixed slot all with the specification phase-match of stopper.
Further, the sealing assembly comprises a baffle with one end fixedly connected with the inner side of the valve channel, a supporting rod is fixedly connected with the outer side of the baffle, a movable plate is movably connected with the outer side of the supporting rod, a connecting spring is fixedly connected between the movable plate and the baffle, a sealing block is fixedly connected with the inner side of the movable plate, a fixed block is fixedly connected with the outer side of the sealing ring, a valve core is movably connected with the outer side of the threaded rod, and an inclined rod with one end hinged to the outer side of the movable plate is hinged to the outer side of the valve core.
A method for using a liquid pipeline stop valve structure comprises the following steps;
1) assembling: after the rotating rod in the valve cover and the clamping block on the rotating rod are extruded into the mounting ring, the valve cover can be mounted, and when the limiting block on the limiting rod is rotated into the second supporting ring, the assembly between the pipeline and the valve channel can be completed;
2) opening: the threaded rod is driven to move upwards by rotating the twisting disc, and after the valve core is not extruded, the sealing block and the baffle are in a separated state by the elastic force of the connecting spring, so that the valve channel is in an open state;
3) closing: after the reverse rotation twisting disc drives the threaded rod to move downwards, the valve core can be extruded, and the valve core pushes the movable plate sealing block to be attached to the baffle plate through the inclined rod, so that the valve channel is in a closed state.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. according to the liquid pipeline stop valve structure and the using method, after the valve cover and the rotary rotating rod are arranged on the extrusion mounting assembly, the valve cover is convenient to assemble and disassemble by workers through the attachment and separation of the fixture block and the mounting ring, and the effect of convenience in assembly is achieved.
2. According to the liquid pipeline stop valve structure and the using method, the sealing type between the valve cover and the valve channel is improved through the sealing ring and the limiting ring between the valve cover and the valve channel, and the effect of good sealing effect is achieved.
3. According to the liquid pipeline stop valve structure and the using method, the limiting rod on the connecting assembly is rotated to drive the limiting block to be attached to or separated from the second support ring, and therefore the assembly between the valve channel and the pipeline is carried out by workers.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting assembly of the present invention;
FIG. 3 is a schematic view of a connecting assembly according to the present invention;
fig. 4 is a schematic structural view of the limiting assembly of the present invention.
In the figure: 1 valve channel, 2 twist discs, 3 threaded rods, 4 mounting assemblies, 41 valve covers, 42 connecting covers, 43 hollow tubes, 44 rubber blocks, 45 clamping assemblies, 451 mounting grooves, 452 supporting blocks, 453 rubber pads, 46 sealing rings, 47 limiting rings, 48 clamping blocks, 49 mounting holes, 410 fixing rods, 411 rotating rods, 412 mounting rings, 5 connecting assemblies, 51 pipelines, 52 fixing rings, 53 limiting assemblies, 531 limiting rods, 532 rotating rings, 533 stopping blocks, 534 extrusion springs, 535 limiting blocks, 54 connecting rings, 55 first supporting rings, 56 second supporting rings, 6 sealing assemblies, 61 baffles, 62 connecting springs, 63 movable plates, 64 inclined rods, 65 valve cores, 66 fixing blocks, 67 sealing blocks and 68 supporting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the liquid pipeline stop valve structure in this embodiment includes a valve passage 1, a mounting assembly 4 is fixedly mounted on an outer side of the valve passage 1, a threaded rod 3 having one end penetrating through and extending to an inner side of the valve passage 1 is movably connected to an outer side of the mounting assembly 4, a twisting disc 2 is fixedly connected to an outer side of the threaded rod 3, a connecting assembly 5 is fixedly mounted on an outer side of the valve passage 1, and a sealing assembly 6 is fixedly mounted on an inner side of the valve passage 1.
In this embodiment, through installation component 4 and coupling assembling 5, make things convenient for the staff to the maintenance of the equipment of valve way 1 early stage and later stage.
Wherein, seal assembly 6 includes one end and the inboard fixed connection's of valve way 1 baffle 61, the outside fixedly connected with bracing piece 68 of baffle 61, the outside swing joint of bracing piece 68 has fly leaf 63, fixedly connected with connecting spring 62 between fly leaf 63 and the baffle 61, the inboard fixedly connected with seal block 67 of fly leaf 63, the outside fixedly connected with fixed block 66 of seal block 67, the outside swing joint of threaded rod 3 has case 65, the outside of case 65 articulates there is one end and the articulated down tube 64 in outside of fly leaf 63, the outside fixedly connected with rubber sleeve of seal block 67, the perforation has been seted up to the inside of baffle 61, and the perforated specification matches with the specification of seal block 67, make the case 65 that removes drive the laminating and the separation of seal block 67 and baffle 61, realize opening and closing of valve way 1.
Referring to fig. 2, in the embodiment, the mounting assembly 4 includes a valve cap 41 having one end movably connected to an outer side of the valve way 1, a mounting hole 49 is formed in the valve cap 41, a fixing rod 410 positioned on the valve cap 41 is fixedly connected to an inner side of the mounting hole 49, a mounting ring 412 is fixedly connected to an outer side of the valve way 1, a clamping assembly 45 is fixedly installed in the mounting ring 412, a rotating rod 411 having one end penetrating and extending into the clamping assembly 45 is movably connected to an outer side of the fixing rod 410, a clamping block 48 having one end penetrating and extending into the mounting ring 412 is fixedly connected to an outer side of the rotating rod 411, a rubber block 44 is fixedly connected between the rotating rod 411 and an inner side of the mounting hole 49, a sealing ring 46 having one end attached to an inner side of the valve way 1 is fixedly connected to an inner side of the valve cap 41, a limiting ring 47 having one end penetrating and extending into the valve way 1 is fixedly connected to an inner side of the valve cap 41, a hollow tube 43 is fixedly connected to an outer side of the valve cap 41, the outside fixedly connected with one end of hollow tube 43 and the outside threaded connection's of threaded rod 3 connection lid 42, connect the inside of lid 42 and seted up the screw hole, the screw thread in screw hole and the threaded rod 3 outside is mutually supported.
In this embodiment, through extrusion valve gap 41, come fixture block 48 on the dwang 411 to be extruded to the inside back of collar 412, can install valve gap 41, and drive fixture block 48 and collar 412 separation back through rotatory dwang 411, can dismantle valve gap 41.
Wherein, joint subassembly 45 includes that one end is seted up in the mounting groove 451 of collar 412 outside, and the inboard fixedly connected with of mounting groove 451 is located the rubber pad 453 on the collar 412, and the outside fixedly connected with supporting shoe 452 of rubber pad 453 makes the dwang 411 that moves to in the mounting groove 451 can cause the extrusion to the supporting shoe 452, makes the dwang 411 more stable.
In addition, the outer side of the fixture block 48 is inclined, a clamping groove with one end communicated with the mounting groove 451 is formed in the mounting ring 412, and the specification of the clamping groove is matched with that of the fixture block 48.
Secondly, the spread groove has been seted up in the outside of valve way 1, and the specification of spread groove and spacing ring 47's specification phase-match, the equal fixedly connected with first sealing washer in the inboard of spread groove and the outside of sealing ring 46 improves the leakproofness between valve gap 41 and the valve way 1.
Referring to fig. 3, in the present embodiment, the connecting assembly 5 includes a pipe 51 having one end movably connected to an outer side of the valve passage 1, a fixing ring 52 having one end fixedly connected to the outer side of the valve passage 1 and attached to an inner side of the pipe 51, a connecting ring 54 having one end fixedly connected to the outer side of the valve passage 1 and extending into the pipe 51, a first supporting ring 55 fixedly connected to the outer side of the valve passage 1, a second supporting ring 56 fixedly connected to the outer side of the pipe 51, a limiting assembly 53 fixedly mounted inside each of the first supporting ring 55 and the second supporting ring 56, and a second sealing ring fixedly connected to outer sides of each of the fixing ring 52 and the connecting ring 54.
In this embodiment, the first support ring 55 and the second support ring 56 are fixed by pressing and rotating the limiting assembly 53, so as to mount the pipe 51 and the valve duct 1.
Wherein, the outside swing joint of first support ring 55 has one end to run through and extend to the gag lever post 531 in the second support ring 56 outside, the outside fixedly connected with rotating ring 532 of gag lever post 531, the outside fixedly connected with dog 533 of gag lever post 531, fixedly connected with extrusion spring 534 between the outside of dog 533 and rotating ring 532, the outside fixedly connected with one end of gag lever post 531 runs through and extends to the inside stopper 535 of second support ring 56, after stopper 535 is rotated to the inside back of second support ring 56, can be to fixing first support ring 55 and second support ring 56.
In addition, the through-hole has all been seted up to the inside of first support ring 55 and second support ring 56, the specification of through-hole and the specification phase-match of rotating ring 532, the spacing groove of one end and through-hole intercommunication has all been seted up to the inboard of first support ring 55 and second support ring 56, the fixed slot of one end and through-hole intercommunication is seted up in the outside of second support ring 55, the specification of spacing groove and fixed slot all matches with the specification of stopper 535, the spout of one end and through-hole intercommunication is seted up to the inside of first support ring 55, the inboard slider of spout is run through and extends to the outside fixedly connected with one end of rotating ring 532, and slider and spout sliding connection, the spout is the annular.
A method for using a liquid pipeline stop valve structure comprises the following steps;
1) assembling: after the rotating rod 411 in the valve cover 41 and the fixture block 48 on the rotating rod 411 are extruded into the mounting ring 412, the valve cover 41 can be mounted, and after the limiting block 535 on the limiting rod 531 is rotated into the second supporting ring 56, the assembly between the pipeline 51 and the valve channel 1 can be completed;
2) opening: the threaded rod 3 is driven to move upwards by rotating the twisting disc 2, and after the valve core 65 is not extruded, the sealing block 67 and the baffle plate 61 are separated by the elastic force of the connecting spring 62, so that the valve channel 1 is in an open state;
3) closing: after the twisting disc 2 is rotated reversely to drive the threaded rod 3 to move downwards, the valve core 65 can be extruded, so that the valve core 65 pushes the sealing block 67 of the movable plate 63 to be attached to the baffle 61 through the inclined rod 64, and the valve way 1 is in a closed state.
The working principle of the above embodiment is as follows:
(1) after in the draw-in groove that drives fixture block 48 on the dwang 411 by the extrusion to the collar 412 through extrusion valve gap 41, can install valve gap 41 on valve way 1, the dwang 411 that moves to in the mounting groove 451 can cause the extrusion to the supporting shoe 452, make supporting shoe 452 jack-up dwang 411, make valve gap 41 install the back more stable, and extend to the inside spacing ring 47 of valve way 1 and with the sealing ring 46 of the inboard laminating of valve way 1 can improve the leakproofness between valve gap 41 and the valve way 1, then after the draw-in groove separation on promotion dwang 411 and the mounting ring 412, can demolish valve 41 from valve way 1 fast.
(2) After the limiting rod 531 is pushed to separate the limiting block 535 from the fixing groove of the second support ring 56, the limiting rod 531 is no longer used to fix the first support ring 55 and the second support ring 56, which is convenient for the worker to detach the valve duct 1 from the pipeline 51, otherwise, the limiting rod 531 is pushed to pass through the limiting groove of the second support ring 56, so that the limiting block 535 extends into the fixing groove of the second support ring 56, the valve duct 1 and the pipeline 51 can be fixed, and the connecting ring 54 located in the pipeline 51 and the fixing ring 52 attached to the pipeline 51 can improve the sealing performance between the valve duct 1 and the pipeline 51.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A liquid pipeline stop valve structure comprises a valve channel (1), and is characterized in that: a mounting component (4) is fixedly mounted on the outer side of the valve channel (1), a threaded rod (3) with one end penetrating through and extending to the inner side of the valve channel (1) is movably connected to the outer side of the mounting component (4), a twisting disc (2) is fixedly connected to the outer side of the threaded rod (3), a connecting component (5) is fixedly mounted on the outer side of the valve channel (1), and a sealing component (6) is fixedly mounted on the inner side of the valve channel (1);
the mounting component (4) comprises a valve cover (41) which is movably connected with one end of the valve channel (1) at the outer side, a mounting hole (49) is formed in the valve cover (41), a fixing rod (410) which is fixedly connected with the inner side of the mounting hole (49) and is positioned on the valve cover (41), a mounting ring (412) is fixedly connected with the outer side of the valve channel (1), a clamping component (45) is fixedly mounted in the mounting ring (412), a rotating rod (411) which is fixedly connected with one end of the fixing rod (410) penetrates through and extends to the inside of the clamping component (45), a clamping block (48) which is fixedly connected with one end of the rotating rod (411) penetrates through and extends to the inside of the mounting ring (412), a rubber block (44) is fixedly connected between the inner sides of the rotating rod (411) and the mounting hole (49), and a sealing ring (46) which is fixedly connected with one end of the inner side of the valve cover (41) and is attached to the inner side of the valve channel (1), the inboard fixedly connected with one end of valve gap (41) runs through and extends to inside spacing ring (47) of valve way (1), the outside fixedly connected with hollow tube (43) of valve gap (41), the outside fixedly connected with one end of hollow tube (43) and the outside threaded connection's of threaded rod (3) connection lid (42).
2. A liquid line shut-off valve arrangement as claimed in claim 1, wherein: the clamping assembly (45) comprises a mounting groove (451) with one end arranged on the outer side of the mounting ring (412), a rubber pad (453) positioned on the mounting ring (412) is fixedly connected to the inner side of the mounting groove (451), and a supporting block (452) is fixedly connected to the outer side of the rubber pad (453).
3. A liquid line shut-off valve arrangement as claimed in claim 2, wherein: the outer side of the clamping block (48) is inclined, a clamping groove with one end communicated with the mounting groove (451) is formed in the mounting ring (412), and the specification of the clamping groove is matched with that of the clamping block (48).
4. A liquid line shut-off valve arrangement as claimed in claim 1, wherein: the spread groove has been seted up in the outside of valve way (1), the specification of spread groove and the specification phase-match of spacing ring (47), the inboard first sealing washer of the equal fixedly connected with in the outside of sealing ring (46) of spread groove.
5. A liquid line shut-off valve arrangement as claimed in claim 1, wherein: coupling assembling (5) include outside swing joint's of one end and valve way (1) pipeline (51), the outside fixedly connected with one end of valve way (1) and the solid fixed ring (52) of the inboard laminating of pipeline (51), the outside fixedly connected with one end of valve way (1) runs through and extends to inside go-between (54) of pipeline (51), the first support ring (55) of outside fixedly connected with of valve way (1), the outside fixedly connected with second support ring (56) of pipeline (51), the equal fixed mounting in inside of first support ring (55) and second support ring (56) has spacing subassembly (53).
6. A liquid line shut-off valve arrangement as claimed in claim 5, wherein: the outside swing joint of first support ring (55) has gag lever post (531) that one end runs through and extends to second support ring (56) outside, the outside fixedly connected with rotating ring (532) of gag lever post (531), outside fixedly connected with dog (533) of gag lever post (531), fixedly connected with extrusion spring (534) between the outside of dog (533) and rotating ring (532), the outside fixedly connected with one end of gag lever post (531) runs through and extends to inside stopper (535) of second support ring (56).
7. A liquid line shut-off valve arrangement as claimed in claim 5, wherein: the through-hole has all been seted up to the inside of first support ring (55) and second support ring (56), the specification of through-hole and the specification phase-match of rotating ring (532), the spacing groove of one end and through-hole intercommunication is all seted up to the inboard of first support ring (55) and second support ring (56), the fixed slot of one end and through-hole intercommunication is seted up in the outside of second support ring (55), the specification of spacing groove and fixed slot all with the specification phase-match of stopper (535).
8. A liquid line shut-off valve arrangement as claimed in claim 1, wherein: the sealing assembly (6) comprises a baffle (61) with one end fixedly connected with the inner side of the valve channel (1), a supporting rod (68) fixedly connected with the outer side of the baffle (61), a movable plate (63) movably connected with the outer side of the supporting rod (68), a connecting spring (62) fixedly connected between the movable plate (63) and the baffle (61), a sealing block (67) fixedly connected with the inner side of the movable plate (63), a fixing block (66) fixedly connected with the outer side of the sealing ring (67), a valve core (65) movably connected with the outer side of the threaded rod (3), and an inclined rod (64) with one end hinged with the outer side of the movable plate (63) is hinged to the outer side of the valve core (65).
9. A method for using a stop valve structure of a liquid pipeline is characterized by comprising the following steps: comprises the following steps;
1) assembling: after a rotating rod (411) in the valve cover (41) and a clamping block (48) on the rotating rod (411) are extruded into the mounting ring (412), the valve cover (41) can be mounted, and when a limiting block (535) on a limiting rod (531) is rotated into the second support ring (56), the pipeline (51) and the valve channel (1) can be assembled;
2) opening: the threaded rod (3) is driven to move upwards by rotating the twisting disc (2), and after the valve core (65) is not extruded, the sealing block (67) and the baffle plate (61) are in a separated state by the elastic force of the connecting spring (62), so that the valve channel (1) is in an open state;
3) closing: after the reverse rotation twisting disc (2) drives the threaded rod (3) to move downwards, the valve core (65) can be extruded, so that the valve core (65) pushes the movable plate (63) sealing block (67) to be attached to the baffle (61) through the inclined rod (64), and the valve channel (1) is in a closed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460291.9A CN114198513A (en) | 2021-12-02 | 2021-12-02 | Liquid pipeline stop valve structure and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111460291.9A CN114198513A (en) | 2021-12-02 | 2021-12-02 | Liquid pipeline stop valve structure and use method |
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| CN114198513A true CN114198513A (en) | 2022-03-18 |
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| CN202111460291.9A Pending CN114198513A (en) | 2021-12-02 | 2021-12-02 | Liquid pipeline stop valve structure and use method |
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| CN102301165A (en) * | 2008-12-01 | 2011-12-28 | 孔思贝格爱斯科公司 | A Double Disc Gate Valve |
| CN108603524A (en) * | 2015-10-16 | 2018-09-28 | Nax株式会社 | fixing piece |
| CN210661555U (en) * | 2019-07-24 | 2020-06-02 | 浙江腾祥汽车部件有限公司 | Automobile fuel evaporation control electromagnetic valve |
| CN212249791U (en) * | 2019-09-25 | 2020-12-29 | 漳州市金安机电有限公司 | Protective guide rail convenient to disassemble and assemble for roller shutter door |
| CN211894342U (en) * | 2020-03-19 | 2020-11-10 | 华中科技大学同济医学院附属协和医院 | Bottle cap |
| CN212899754U (en) * | 2020-07-03 | 2021-04-06 | 扬中市永升仪表电器有限公司 | Pneumatic pipeline stop valve that leakproofness is good |
| CN213463204U (en) * | 2020-10-14 | 2021-06-18 | 周秋松 | Afforestation trees support frame |
| CN112503186A (en) * | 2020-11-18 | 2021-03-16 | 盐城滨博机械科技有限公司 | Valve for double-sealing petroleum pipeline |
| CN214269197U (en) * | 2020-12-14 | 2021-09-24 | 苏州西尔维精密制造有限公司 | Sheet metal part convenient to disassemble and used for turning machine |
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