CN112228646A

CN112228646A - Sealed valve

Info

Publication number: CN112228646A
Application number: CN202011208974.0A
Authority: CN
Inventors: 崔如福
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-01-15

Abstract

The invention relates to a sealed valve which comprises a valve body, two butt joints, two buffer pipe sets and two butt joint units, wherein the two butt joints are arranged at the left end and the right end of the valve body, the outer ends of the butt joints are of flaring structures, and the buffer pipe sets are connected between the outer ends of the butt joints and the inner ends of the butt joint units. The invention can solve the problems that the existing pipeline port can be of a thread or smooth structure, a corresponding valve port is required to be butted with the pipeline port, the existing valve has no function of intercepting floccules, the traditional valve and the existing pipeline port are usually butted and connected in the later period, the traditional valve and the existing pipeline port are not of an integrally formed structure, a butt joint gap exists after butt joint, compared with other integrally formed pipeline structures, the butt joint gap bears larger impact force when fluid passes through, the butt joint gap is not sealed in a reinforced manner in the later period, and the condition of leakage and the like are easily caused by breakage in the past for a long time.

Description

Sealed valve

Technical Field

The invention relates to the field of valves, in particular to a sealed valve.

Background

The valve is a device for controlling the direction, pressure and flow of fluid, can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flow direction of the media, and has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like.

Present pipeline mouth probably is screw thread or smooth structure, the valve interface that needs to correspond could rather than the butt joint, and present valve does not have the function to the flocculus interception, and traditional valve is usually the later stage butt joint with present pipeline mouth, the two is not integrated into one piece's structure, can have the butt joint gap after the butt joint, compare in other integrated into one piece's pipeline structure, when the fluid passes through, this butt joint gap has born great impact force, the later stage also does not carry out the intensive seal to this butt joint gap, thereby the condition that the damage leads to the seepage appears easily in the past for a long time.

Disclosure of Invention

Technical scheme (I)

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a sealed valve, includes valve body, two interfaces, two buffering nest of tubes, two butt joint units, the valve body about both ends install two interfaces, the outer end of interface is flaring structure, even there is the buffering nest of tubes between the outer end of interface and the inner of butt joint unit.

The buffer pipe group comprises a connecting sleeve, a sealing ring, an extrusion piece, a flexible cover, a connecting ring, a filtering mechanism and a sliding column, wherein the butt joint port is connected with the connecting sleeve in a rotating fit manner, the connecting sleeve is connected with the sealing ring in a sliding fit manner, the extrusion piece is uniformly arranged on the connecting sleeve along the circumferential direction of the connecting sleeve, the flexible cover is connected between the outer end face of the connecting sleeve and the inner end face of the connecting ring, the connecting sleeve and the connecting ring are connected with the sliding column in a sliding fit manner, the filtering mechanism is installed on the inner wall of the connecting ring, because the butt joint unit is not integrally formed with the existing pipeline port, when a fluid passes through, the butt joint position bears larger impact force, the condition of leakage is easy to occur for a long time in the past, the impact force of the fluid relieved by the arrangement of the flexible.

Filtering mechanism include butt joint ring, flexible net, connect rope and hook, the butt joint ring is installed on the inner wall of go-between, be connected for the joint between butt joint ring and the joint ring, can dismantle the clearance of connecting convenient later stage to flexible net, hook, install flexible net on the joint ring, through connecting rope and hook connection on the flexible net, the effect of interception is played to the floccule in the fluid to flexible net, hook, and the flexible design of flexible net has reduced the destruction that the fluid impact force led to the fact to it.

Butt joint unit establish the pipe including the cover, support the ring, support the piece, the staple bolt, the screw ring with correspond the group, the inner and the go-between of pipe are established to the cover are connected, the inner wall that the pipe was established to the cover passes through sliding fit's mode and supports the ring and be connected, the cover is established and is evenly equipped with along its circumference on the pipe and supports the piece, the middle part parcel that the pipe was established to the cover has the staple bolt to establish, the cover is established and is connected for screw-thread fit between outer end and the screw ring of pipe, the outer wall of screw ring evenly is equipped with along its circumference and corresponds the group, the setting that corresponds the group has avoided the cover to establish the pipe, the rotation phenomenon that appears after the screw ring.

When concrete during operation, when the butt joint unit docks current pipeline mouth, at first look over current pipeline mouth's structure, when pipeline mouth outer wall is smooth, establish the pipe separation with the screw ring and cover, current pipeline mouth establishes the direct butt joint of pipe with the cover, lock through the staple bolt, support the piece through rotating, make its extrusion support the ring and move outward, thereby support the tight laminating with the tip of current pipeline mouth, thereby the leakproofness has been improved, the butt joint finishes, when the outside of current pipeline mouth is the helicitic texture, it makes adapter sleeve and butt joint mouth rotatable to rotate the extruded article, afterwards, carry out spiral screw thread butt joint with screw ring and current pipeline mouth, after the butt joint, the extrusion article reverses again, make the sealing ring sealed with the butt joint mouth formula that increases resistance again laminating, the butt joint finishes.

The corresponding group comprises a first set of building block, a second set of building block, an insertion column, a sliding ring and a built-in spring, the first set of building block is installed on the outer wall of the threaded ring, the first set of building block is connected with the insertion column in a sliding fit mode, the outer end of the insertion column is installed on the sliding ring, the sliding ring is connected with the threaded ring in a sliding fit mode, the built-in spring is connected between the sliding ring and the threaded ring, the built-in spring plays a role in resetting, the insertion column is connected with the second set of building block in a sleeved mode, the second set of building block is installed on the set of pipe, during specific work, when the threaded ring and the set of pipe need to be separated, the sliding ring needs to be held to push outwards to enable the insertion column to be separated from the second set of building block, and at the moment, the threaded ring is.

Preferably, the extrusion piece comprises a threaded column and a rotating handle, the threaded column is in threaded fit connection with the connecting sleeve, and the rotating handle is installed at the inner end of the threaded column.

Preferably, the outer end of the threaded column is provided with an inner groove, a resistance reducing bead is placed in the inner groove, and the resistance reducing bead is attached to the sealing ring.

Preferably, the flexible net is formed by weaving flexible ropes, and the interweaving points among the flexible ropes are connected with the upper ends of the connecting ropes.

Preferably, two limit plates are arranged at the left end and the right end of the sliding column.

Preferably, the middle part of the abutting part is in threaded fit connection with the sleeving pipe, the lower end of the abutting part is in rotating fit connection with the extrusion disc, the extrusion disc is of a circular truncated cone structure, and the side face of the extrusion disc is in fit contact with the abutting ring.

Preferably, the middle part of the sleeving pipe is provided with an annular cavity, and clear water is injected into the annular cavity.

(II) advantageous effects

1. According to the sealed valve, the adaptive interface is butted with the existing pipeline port, the pipeline port corresponding to a smooth structure or a threaded structure can be corresponding in a disassembling or assembling mode, a certain buffering space is provided by arranging the flexible cover, the impact force brought by fluid is reduced, the position of a gap is sealed in a reinforced mode, the buffering space is provided, the structure is reinforced at the same time, and the later-period leakage condition is greatly reduced;

2. according to the sealed valve, the telescopic structure in the middle of the buffer pipe group serves as a buffer space, so that impact force caused by fluid is greatly reduced, the butt joint port and the connecting sleeve can be rotated and positioned at an angle, the condition between the butt joint port and the connecting sleeve is adjusted according to the structure of the butt joint unit and the existing pipeline port, the sealed valve is suitable for a butt joint mode of direct sleeving or threaded connection, and the valve body does not need to rotate synchronously when in threaded butt joint.

3. According to the sealed valve, the butt joint unit adopts a double-structure combination design concept to correspond to a pipeline opening with a smooth structure or a threaded structure, the corresponding group design avoids the rotation between the sleeved pipe and the threaded ring after positioning, and when the butt joint unit is directly sleeved with the smooth pipeline opening, the later-stage leakage condition is reduced through extrusion type contact fit of the butt joint ring and cavity-shrinkage fit of the middle part of the sleeved pipe;

4. according to the sealed valve, the filtering mechanism intercepts floccules through the interception of the flexible net and the hooks, and can be taken out at the later stage, so that the filtering mechanism is convenient to clean.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is a cross-sectional view of the docking interface, buffer tube set and docking unit of the present invention;

FIG. 3 is a schematic view of the structure between the buffer tube group and the docking unit according to the present invention;

FIG. 4 is a left side view of the attachment ring and filter mechanism of the present invention;

FIG. 5 is an enlarged view of the invention in section X of FIG. 2;

fig. 6 is a Y-direction partial enlarged view of fig. 2 of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 6, a sealed valve includes a valve body 1, two butt joints 2, two buffer tube sets 3, and two butt joint units 4, wherein the two butt joints 2 are installed at the left and right ends of the valve body 1, the outer ends of the butt joints 2 are flared, and the buffer tube sets 3 are connected between the outer ends of the butt joints 2 and the inner ends of the butt joint units 4.

The buffer pipe group 3 comprises a connecting sleeve 31, a sealing ring 32, an extrusion part 33, a flexible cover 34, a connecting ring 35, a filtering mechanism 36 and a sliding column 37, the butt joint port 2 is connected with the connecting sleeve 31 in a rotating fit manner, the connecting sleeve 31 is connected with the sealing ring 32 in a sliding fit manner from left to right, the extrusion part 33 is uniformly arranged on the connecting sleeve 31 along the circumferential direction, the flexible cover 34 is connected between the outer end face of the connecting sleeve 31 and the inner end face of the connecting ring 35, the connecting sleeve 31 and the connecting ring 35 are connected with the sliding column 37 in a sliding fit manner, the filtering mechanism 36 is arranged on the inner wall of the connecting ring 35, as the butt joint unit 4 and the existing pipe port butt joint are not integrally formed, when a fluid passes through, the butt joint position bears large impact force, the leakage condition easily occurs for a long time, and the impact force of the fluid is relieved by, the condition that the impact force destroys clearance department has been avoided, the left and right sides both ends of slip post 37 be equipped with two limiting plates, play spacing effect.

Extrusion piece 33 include screw thread post 331, turning handle 332, be connected for screw-thread fit between screw thread post 331 and the adapter sleeve 31, turning handle 332 is installed to the inner of screw thread post 331, screw thread post 331 outer end seted up the inner groovy, placed the drag reduction pearl in the inner groovy, and drag reduction pearl and sealing ring 32 laminate mutually, drag reduction pearl has reduced frictional force, concrete during operation, when adapter sleeve 31 and interface 2 are rotatable, only need handheld turning handle 332 to rotate, make it no longer extrude sealing ring 32, do not receive extruded sealing ring 32 and interface 2 between the contact pine, at this moment, adapter sleeve 31 is rotatable with interface 2, angle location formula again when the two needs, only need the antiport turn turning handle 332 to reset can.

The filtering mechanism 36 comprises a butt joint ring 361, a clamping ring 362, a flexible net 363, a connecting rope 364 and a hook 365, the butt joint ring 361 is installed on the inner wall of the connecting ring 35, the butt joint ring 361 and the clamping ring 362 are in clamping connection, the detachable connection facilitates cleaning of the flexible net 363 and the hook 365 at the later stage, the flexible net 363 is installed on the clamping ring 362 and connected with the hook 365 through the connecting rope 364, the flexible net 363 and the hook 365 have an intercepting effect on floccules in fluid, the flexible design of the flexible net 363 reduces damage to the flexible net 363 caused by fluid impact force, the flexible net 363 is woven by the flexible rope, influence caused by the fluid impact force is reduced, and an interweaving point between the flexible ropes is connected with the upper end of the connecting rope 364.

The butt joint unit 4 comprises a sleeved pipe 41, a resisting ring 42, a resisting piece 43, an anchor ear 44, a threaded ring 45 and a corresponding group 46, the inner end of the sleeved pipe 41 is connected with the connecting ring 35, the inner wall of the sleeved pipe 41 is connected with the resisting ring 42 in a sliding fit mode, the resisting piece 43 is evenly arranged on the sleeved pipe 41 along the circumferential direction of the sleeved pipe, the anchor ear 44 wraps the middle of the sleeved pipe 41, the outer end of the sleeved pipe 41 is connected with the threaded ring 45 in a threaded fit mode, the corresponding group 46 is evenly arranged on the outer wall of the threaded ring 45 along the circumferential direction of the threaded ring, the rotation phenomenon after the sleeved pipe 41 and the threaded ring 45 are in butt joint screwing is avoided due to the arrangement of the corresponding group 46, and the positioning effect is achieved.

When concrete during operation, when butt joint unit 4 docks current pipeline mouth, at first look over current pipeline mouth's structure, when pipeline mouth outer wall is smooth, establish pipe 41 separation with the cover with screw ring 45, current pipeline mouth establishes pipe 41 direct butt joint with the cover, lock through staple bolt 44, support piece 43 through rotating, make its extrusion support ring 42 move outward, thereby support the laminating tightly with the tip of current pipeline mouth, thereby the leakproofness has been improved, the butt joint finishes, when the outside of current pipeline mouth is the helicitic texture, it makes adapter sleeve 31 rotatable with interface 2 to rotate extruded article 33, afterwards, carry out spiral screw thread butt joint with screw ring 45 and current pipeline mouth, after the butt joint, reverse extruded article 33 again, make sealing ring 32 sealed with interface 2 resistance-increasing formula laminating again, the butt joint finishes.

The corresponding group 46 includes a first set block 461, a second set block 462, an insertion column 463, a sliding ring 465 and a built-in spring 464, the first set block 461 is installed on the outer wall of the threaded ring 45, the first set block 461 is connected with the insertion column 463 in a sliding fit manner, the outer end of the insertion column 463 is installed on the sliding ring 465, the sliding ring 465 is connected with the threaded ring 45 in a sliding fit manner, the built-in spring 464 is connected between the sliding ring 465 and the threaded ring 45, the built-in spring 464 plays a role in resetting, the insertion column 463 is connected with the second set block 462 in a sleeved manner, the second set block 462 is installed on the set pipe 41, and when the threaded ring 45 needs to be separated from the set pipe 41 during specific work, the sliding ring 465 needs to be held by hand to push outwards to separate the insertion column 463 from the second set block 462, and at this time, the threaded ring 45 is rotated to separate from the set pipe 41.

The middle part of the supporting part 43 is in threaded fit connection with the sleeve pipe 41, the lower end of the supporting part 43 is in rotating fit connection with the extrusion disc, the situation that the extrusion disc can not rotate when the supporting part 43 rotates is guaranteed, the extrusion disc is of a circular truncated cone structure, and the side face of the extrusion disc is in fit contact with the supporting ring 42.

The middle part of the sleeve pipe 41 is provided with an annular cavity, clear water is injected into the annular cavity, when the existing pipeline opening is directly butted with the sleeve pipe 41, the locking is carried out through the hoop 44, the hoop 44 which gradually contracts inwards extrudes the middle part of the sleeve pipe 41, the sleeve pipe is tightly attached to the outer wall of the existing pipeline opening, and the arrangement of the annular cavity and the clear water improves the sealing property.

The working principle is as follows:

when the docking unit 4 docks the existing pipeline port, the structure of the existing pipeline port is checked;

when the outer wall of the pipeline opening is smooth, firstly separating the threaded ring 45 from the sleeved pipe 41, then directly butting the existing pipeline opening with the sleeved pipe 41, locking the existing pipeline opening through the hoop 44, and extruding the abutting ring 42 to move outwards by rotating the abutting part 43 so as to abut against and joint with the end part of the existing pipeline opening, and finishing butting;

when the external part of the existing pipeline port is in a threaded structure, the extrusion part 33 is rotated to enable the connecting sleeve 31 and the butt joint port 2 to be rotatable, then the threaded ring 45 and the existing pipeline port are subjected to spiral threaded butt joint, after the butt joint, the extrusion part 33 is rotated reversely again, so that the sealing ring 32 and the butt joint port 2 are subjected to resistance-increasing type fit sealing again, and the butt joint is finished;

after the butt joint, the valve body 1 is opened to realize the conveying of the fluid, and the floccules are intercepted through the filtering mechanism 36.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a sealed valve, includes valve body (1), two interface (2), two buffer tube group (3), two butt joint units (4), its characterized in that: two butt joints (2) are arranged at the left end and the right end of the valve body (1), the outer ends of the butt joints (2) are of flaring structures, and a buffer pipe group (3) is connected between the outer ends of the butt joints (2) and the inner ends of the butt joint units (4);

the buffer pipe group (3) comprises a connecting sleeve (31), a sealing ring (32), an extrusion part (33), a flexible cover (34), a connecting ring (35), a filtering mechanism (36) and a sliding column (37), the butt joint port (2) is connected with the connecting sleeve (31) in a rotating fit mode, the connecting sleeve (31) is connected with the sealing ring (32) in a left-right sliding fit mode, the extrusion part (33) is uniformly arranged on the connecting sleeve (31) along the circumferential direction of the connecting sleeve, the flexible cover (34) is connected between the end face of the outer side of the connecting sleeve (31) and the end face of the inner side of the connecting ring (35), the connecting sleeve (31) is connected with the sliding column (37) in a sliding fit mode, and the filtering mechanism (36) is installed on the inner wall of the connecting;

the filter mechanism (36) comprises a butt joint ring (361), a clamping ring (362), a flexible net (363), a connecting rope (364) and a hook (365), the butt joint ring (361) is installed on the inner wall of the connecting ring (35), the butt joint ring (361) is in clamping connection with the clamping ring (362), the flexible net (363) is installed on the clamping ring (362), and the flexible net (363) is connected with the hook (365) through the connecting rope (364);

the butt joint unit (4) comprises a sleeved pipe (41), a resisting ring (42), resisting pieces (43), an anchor ear (44), a threaded ring (45) and corresponding groups (46), the inner end of the sleeved pipe (41) is connected with the connecting ring (35), the inner wall of the sleeved pipe (41) is connected with the resisting ring (42) in a sliding fit mode, the resisting pieces (43) are uniformly arranged on the sleeved pipe (41) along the circumferential direction of the sleeved pipe, the anchor ear (44) wraps the middle part of the sleeved pipe (41), the outer end of the sleeved pipe (41) is in threaded fit connection with the threaded ring (45), and the corresponding groups (46) are uniformly arranged on the outer wall of the threaded ring (45) along the circumferential direction of the threaded ring;

correspond group (46) including first cover and establish piece (461), second cover establishes piece (462), insert post (463), slip ring (465) and built-in spring (464), first cover establishes piece (461) and installs on the outer wall of screw thread ring (45), first cover establishes piece (461) and inserts post (463) and is connected for sliding fit, the outer end of inserting post (463) is installed on slip ring (465), be connected for sliding fit between slip ring (465) and screw thread ring (45), and even have built-in spring (464) between slip ring (465) and screw thread ring (45), insert and establish for the cover between post (463) and the second cover and establish the piece (462) and establish the connection, the second cover establishes piece (462) and installs on the cover establishes pipe (41).

2. The sealed valve of claim 1, wherein: the extrusion piece (33) include screw thread post (331), turning handle (332), be screw thread fit connection between screw thread post (331) and adapter sleeve (31), turning handle (332) are installed to the inner of screw thread post (331).

3. A sealed valve according to claim 2, wherein: the outer end of the threaded column (331) is provided with an inner groove, a resistance reducing bead is placed in the inner groove, and the resistance reducing bead is attached to the sealing ring (32).

4. The sealed valve of claim 1, wherein: the flexible net (363) is formed by weaving flexible ropes, and the interweaving points among the flexible ropes are connected with the upper ends of the connecting ropes (364).

5. The sealed valve of claim 1, wherein: two limiting plates are arranged at the left end and the right end of the sliding column (37).

6. The sealed valve of claim 1, wherein: the middle part of the propping piece (43) is in threaded fit connection with the sleeve pipe (41), the lower end of the propping piece (43) is in running fit connection with the extrusion disc, the extrusion disc is of a circular truncated cone structure, and the side surface of the extrusion disc is in fit contact with the propping ring (42).

7. The sealed valve of claim 1, wherein: the middle part of the sleeving pipe (41) is provided with an annular cavity, and clear water is filled in the annular cavity.