CN220102121U

CN220102121U - Blind plate valve convenient to switch

Info

Publication number: CN220102121U
Application number: CN202321478467.8U
Authority: CN
Inventors: 尚玉来; 谷尚铸; 丁新; 葛志克; 陈安定; 陈浩博; 肖庆
Original assignee: Zhejiang Bertley Technology Co ltd
Current assignee: Zhejiang Bertley Technology Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-11-28
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a blind plate valve convenient to switch, which comprises a left valve body and a right valve body which are detachably connected together, wherein a blind plate is arranged between the left valve body and the right valve body in a sliding manner; still include actuating mechanism, actuating ring and valve seat ring screw-thread fit, and be equipped with on the left valve body and be used for constituting the spacing subassembly of circumference to the valve seat ring, actuating mechanism and actuating ring linkage are connected and are used for driving actuating ring circumference rotation, and actuating ring circumference rotation makes the valve seat ring produce the axial motion that is close to or keeps away from the blind plate direction. The utility model has the advantage of convenient and fast blind plate switching operation, and can rapidly and safely perform blind plate switching operation by only one person under the condition of no tool or equipment, thereby greatly shortening the maintenance time and reducing the maintenance cost.

Description

Blind plate valve convenient to switch

Technical Field

The utility model relates to the technical field of valves, in particular to a blind plate valve convenient to switch.

Background

Blind plate valves are special valves used in pipeline systems for realizing full flow delivery or a full closing state, and in the prior art, the blinding of a pipeline requires expensive cost, involves the number of personnel and equipment, including cranes, heavy tools or scaffolds, and the like, and operators face a plurality of dangers in the switching process, including corrosion, poisoning, explosion and the like caused by medium leakage, and have the defects of difficult blind plate switching operation and high maintenance cost.

Disclosure of Invention

The utility model aims to provide the blind plate valve convenient to switch, which has the advantage of convenience in blind plate switching operation, and can rapidly and safely switch the blind plate by only one person under the condition of no tool or equipment, thereby greatly shortening the maintenance time and reducing the maintenance cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a switch convenient blind plate valve, includes left valve body and right valve body that detachably connects together, slide between left valve body and the right valve body and be provided with the blind plate, still include actuating mechanism, drive circle and valve seat circle snare are established in left valve body periphery, drive circle and valve seat circle screw-thread fit, and be equipped with on the left valve body and be used for constituting the spacing subassembly of circumference to the valve seat circle, actuating mechanism and drive circle linkage are connected and are used for driving drive circle circumference and rotate, drive circle circumference and impel the valve seat circle to produce the axial motion that is close to or keep away from the blind plate direction when rotating.

Through adopting above-mentioned technical scheme, when the blind plate switches, through operating actuating mechanism, make the actuating ring rotate, when the actuating ring rotates, make the valve seat circle produce axial displacement, the valve seat circle is kept away from or is close to blind plate direction motion promptly, and the valve seat circle is kept away from the state that is "loose" after the blind plate motion, can carry out the switching operation of blind plate, and the valve seat circle is close to the blind plate motion and is the state of "pressing from both sides tightly" when supporting tight blind plate to realize the switching when the loose of blind plate, seal when tight. The structure has the advantage of convenient and fast blind plate switching operation, and can rapidly and safely perform blind plate switching operation by only one person under the condition of no tool or equipment, thereby greatly shortening the maintenance time and reducing the maintenance cost.

The utility model further provides that the driving mechanism comprises a driving box body, a driving shaft and a sliding nut, wherein the driving box body is arranged on the left valve body, the driving shaft penetrates through the driving box body and is in rotary connection with the driving box body, the sliding nut is in threaded connection with the driving shaft at the position, located in the driving box body, of the driving shaft, sliding holes are respectively formed in two sides of the driving box body, sliding protruding portions matched with the sliding holes are formed in the sliding nut, a through hole is formed in the bottom of the driving box body, a movable concave portion is formed in the bottom of the sliding nut, a driven rod is arranged on the outer wall of the driving ring, and the outer end of the driven rod penetrates through the through hole and is inserted into the movable concave portion.

Through adopting above-mentioned technical scheme, through operating the drive shaft pivot, promote slip nut lateral displacement, because driven lever and slip nut on the drive ring outer wall constitute the linkage, when consequently slip nut lateral displacement, driven lever can drive the drive ring and produce circumferential rotation, realizes the rotation of drive ring.

The utility model further provides that the driving mechanism further comprises a hand wheel and a reduction gearbox, wherein the reduction gearbox is arranged on one side of the driving box body, the input end of the reduction gearbox is connected with the hand wheel in a linkage way, and the output end of the reduction gearbox is connected with the driving shaft in a linkage way.

Through adopting above-mentioned technical scheme, the hand wheel passes through the reducing gear box and connects the drive shaft, not only convenient operation can reduce the operating torque moreover for the operation of rotatory hand wheel is lighter, even the switching operation of blind plate is lighter.

The utility model further provides a limit screw, the inner end of the limit screw is provided with a polish rod part, the driving ring is provided with a screw hole, the periphery of the left valve body is provided with an arc limit groove corresponding to the screw hole, the limit screw is in threaded fit with the screw hole of the driving ring, and the polish rod part of the limit screw is inserted into the arc limit groove.

Through adopting above-mentioned technical scheme, when the driving ring rotates, the polished rod portion restriction of spacing screw is in the arc spacing groove of left valve body for the driving ring can only circumference rotate and can not axial slip, thereby promotes the stability of driving ring and valve seat circle cooperation structure.

The utility model is further characterized in that a groove for embedding the screw head of the limit screw is formed in the part of the driving ring corresponding to the outer end of the screw hole, and a rubber plug is inserted into the outer end of the groove.

By adopting the technical scheme, the rubber plug plugs the groove, so that the screw head can be prevented from rusting or depositing dust, and subsequent maintenance operation is facilitated.

The utility model is further characterized in that an annular groove is formed in the outer peripheral surface of one end, close to the valve seat ring, of the driving ring, an external thread is formed in the peripheral surface of the annular groove, an annular flange matched with the annular groove is arranged on the valve seat ring, and an internal thread matched with the external thread is formed in the inner peripheral surface of the annular flange.

Through adopting above-mentioned technical scheme, can realize the threaded connection of drive circle and valve seat circle, both outer peripheral face parallel and level simultaneously, the structure is more pleasing to the eye.

The utility model further provides that the limiting assembly comprises a limiting plate, the periphery of the left valve body is provided with a mounting groove, the limiting plate is mounted in the mounting groove through a screw, the periphery of the valve seat ring is provided with a guide groove extending along the axial direction, and the limiting plate is provided with a guide protrusion matched with the guide groove.

Through adopting above-mentioned technical scheme, spacing subassembly can restrict the circumferential rotation of valve seat circle, guarantees that valve seat circle can stabilize along axial motion.

The utility model is further characterized in that the inner peripheral surface of the valve seat ring is provided with a first sealing ring which is used for forming sealing fit with the outer peripheral surface of the left valve body, one end surface of the blind plate is provided with a second sealing ring which is used for forming sealing fit with the valve seat ring, and the other end surface of the blind plate is provided with a third sealing ring which is used for forming sealing fit with the inner end surface of the right valve body.

By adopting the technical scheme, the tightness of the valve can be improved, absolute zero leakage is realized, and the service life of the valve is prolonged.

The utility model further provides that the left valve body and the right valve body are connected together through the bolt, and a supporting sleeve matched with the edge of the blind plate is sleeved at the position between the left valve body and the right valve body of the bolt.

Through adopting above-mentioned technical scheme, connection structure is simple, and the dismouting is very convenient to set up the support cover and can play the effect of support and direction to the blind plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of a driving mechanism according to the present utility model;

FIG. 3 is a schematic diagram of the mating structure of the driving ring and the valve seat ring of the present utility model;

fig. 4 is an enlarged schematic view of the portion a in fig. 3.

In the figure: 1. a left valve body; 2. a right valve body; 3. a blind plate; 4. a driving mechanism; 5. a driving ring; 6. a valve seat ring; 7. a limit component; 8. driving the box body; 9. a drive shaft; 10. a slip nut; 11. a slide hole; 12. a sliding protrusion; 13. crossing; 14. a movable concave portion; 15. a driven rod; 16. a hand wheel; 17. a reduction gearbox; 18. a limit screw; 19. a polish rod part; 20. a screw hole; 21. an arc-shaped limit groove; 22. a groove; 23. a rubber plug; 24. an annular groove; 25. an external thread; 26. an annular flange; 27. an internal thread; 28. a limiting plate; 29. a mounting groove; 30. a guide groove; 31. a guide protrusion; 32. a first seal ring; 33. a second seal ring; 34. a third seal ring; 35. a bolt; 36. and a supporting sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the blind plate valve convenient to switch is shown in the attached drawings 1-4, and comprises a left valve body 1 and a right valve body 2 which are detachably connected together, wherein a blind plate 3 is slidably arranged between the left valve body 1 and the right valve body 2, the blind plate valve further comprises a driving mechanism 4, a driving ring 5 and a valve seat ring 6, the driving ring 5 and the valve seat ring 6 are sleeved on the periphery of the left valve body 1, the driving ring 5 and the valve seat ring 6 are in threaded fit, a limiting assembly 7 for limiting the valve seat ring 6 circumferentially is arranged on the left valve body 1, the driving mechanism 4 is connected with the driving ring 5 in a linkage manner and is used for driving the driving ring 5 to rotate circumferentially, and the driving ring 5 is driven to generate axial movement in the direction close to or far away from the blind plate 3 when rotating circumferentially. When the blind plate 3 is switched, the driving mechanism 4 is operated to drive the driving ring 5 to rotate, when the driving ring 5 rotates, the valve seat ring 6 is driven to generate axial displacement, namely, the valve seat ring 6 moves towards the direction away from or close to the blind plate 3, the valve seat ring 6 moves away from the blind plate 3 and then is in a loose state, the switching operation of the blind plate 3 can be carried out, and the valve seat ring 6 moves close to the blind plate 3 and abuts against the blind plate 3 and is in a clamping state, so that the loose switching of the blind plate 3 and the tight sealing of the blind plate 3 are realized. The structure has the advantage of convenient and fast switching operation of the blind plate 3, and can rapidly and safely switch the blind plate 3 by only one person under the condition of no tool or equipment, thereby greatly shortening the maintenance time and reducing the maintenance cost.

As shown in fig. 1 and fig. 2, the driving mechanism 4 includes a driving box 8, a driving shaft 9, and a sliding nut 10, where the driving box 8 is disposed on the left valve body 1, the driving box 8 is of a detachable structure, and includes a middle portion and end covers welded at two ends, the driving shaft 9 penetrates through the driving box 8, and the driving shaft 9 is rotationally connected with the driving box 8, that is, two ends of the driving shaft 9 are respectively rotationally matched with two ends of the driving box 8, a clamp spring can be disposed to axially limit the driving shaft 9, the sliding nut 10 is screwed to a portion of the driving shaft 9 located in the driving box 8, two sides of the driving box 8 are respectively provided with a sliding hole 11, the sliding nut 10 is provided with sliding protrusions 12 matched with the sliding holes 11, a through hole 13 is disposed at the bottom of the driving box 8, a movable concave portion 14 is disposed on the outer wall of the driving ring 5, and the outer end of the driven rod 15 penetrates through the through hole 13 and is inserted into the movable concave portion 14. By operating the rotation shaft of the driving shaft 9, the sliding nut 10 is driven to transversely displace, and as the driven rod 15 on the outer wall of the driving ring 5 and the sliding nut 10 form linkage, the driven rod 15 drives the driving ring 5 to circumferentially rotate during the transverse displacement of the sliding nut 10, so that the rotation of the driving ring 5 is realized.

As shown in fig. 1, the driving mechanism 4 further includes a hand wheel 16 and a reduction gearbox 17, the reduction gearbox 17 is mounted on one side of the driving box 8, an input end of the reduction gearbox 17 is connected with the hand wheel 16 in a linkage manner, and an output end of the reduction gearbox 17 is connected with the driving shaft 9 in a linkage manner. The hand wheel 16 is connected with the driving shaft 9 through the reduction gearbox 17, so that the operation is convenient, the operation torque can be reduced, the operation of rotating the hand wheel 16 is easier, and even if the switching operation of the blind plate 3 is easier.

As shown in fig. 3 and fig. 4, the valve further comprises a limit screw 18, the inner end of the limit screw 18 is provided with a polish rod portion 19, the driving ring 5 is provided with a screw hole 20, the outer periphery of the left valve body 1 is provided with an arc limit groove 21 corresponding to the screw hole 20, the limit screw 18 is in threaded fit with the screw hole 20 of the driving ring 5, and the polish rod portion 19 of the limit screw 18 is inserted into the arc limit groove 21. When the driving ring 5 rotates, the polish rod part 19 of the limit screw 18 is limited in the arc limit groove 21 of the left valve body 1, so that the driving ring 5 can only rotate circumferentially but cannot slide axially, and the stability of the matching structure of the driving ring 5 and the valve seat ring 6 is improved.

As shown in fig. 4, a groove 22 for embedding the screw head of the limit screw 18 is formed in the driving ring 5 corresponding to the outer end of the screw hole 20, and a rubber plug 23 is inserted into the outer end of the groove 22. The rubber plug 23 blocks the groove 22, so that rust or dust accumulation on the screw head can be avoided, and subsequent maintenance operation is facilitated.

As shown in fig. 3 and 4, an annular groove 24 is formed in the outer circumferential surface of the driving ring 5 near one end of the valve seat ring 6, an external thread 25 is formed on the circumferential surface of the annular groove 24, an annular flange 26 matching with the annular groove 24 is formed on the valve seat ring 6, and an internal thread 27 matching with the external thread 25 is formed on the inner circumferential surface of the annular flange 26. The design can realize the threaded connection of the driving ring 5 and the valve seat ring 6, and simultaneously the two outer peripheral surfaces are flush, so that the structure is more attractive.

As shown in fig. 3, the limiting assembly 7 includes a limiting plate 28, an installation groove 29 is formed in the outer periphery of the left valve body 1, the limiting plate 28 is installed in the installation groove 29 through a screw, a guide groove 30 extending along the axial direction is formed in the outer peripheral surface of the valve seat ring 6, and a guide protrusion 31 matched with the guide groove 30 is formed on the limiting plate 28. The limiting assembly 7 can limit the circumferential rotation of the valve seat ring 6, and the valve seat ring 6 can move stably along the axial direction.

As shown in fig. 4, the inner peripheral surface of the valve seat ring 6 is provided with a first sealing ring 32 for forming sealing fit with the outer peripheral surface of the left valve body 1, one end surface of the blind plate 3 is provided with a second sealing ring 33 for forming sealing fit with the valve seat ring 6, and the other end surface of the blind plate 3 is provided with a third sealing ring 34 for forming sealing fit with the inner end surface of the right valve body 2. The design can improve the sealing performance of the valve, realize absolute zero leakage and prolong the service life of the valve.

As shown in fig. 3, the left valve body 1 and the right valve body 2 are connected together through a bolt 35, and a supporting sleeve 36 for matching with the edge of the blind plate 3 is sleeved at a position between the left valve body 1 and the right valve body 2 of the bolt 35. The design connection structure is simple, the disassembly and the assembly are very convenient, and the supporting sleeve 36 can play a role in supporting and guiding the blind plate 3.

Claims

1. The blind plate valve convenient to switch comprises a left valve body (1) and a right valve body (2) which are detachably connected together, wherein a blind plate (3) is arranged between the left valve body (1) and the right valve body (2) in a sliding manner; the method is characterized in that: still include actuating mechanism (4), drive circle (5) and valve seat circle (6) cover are established in left valve body (1) periphery, drive circle (5) and valve seat circle (6) screw-thread fit, and be equipped with on left valve body (1) and be used for constituting spacing subassembly (7) of circumference to valve seat circle (6), actuating mechanism (4) are connected and are used for driving drive circle (5) circumference rotation with drive circle (5) linkage, and drive circle (5) circumference is rotated and is promoted valve seat circle (6) and is produced the axial motion that is close to or keep away from blind plate (3) direction.

2. A switchable convenient blind plate valve according to claim 1, wherein: the driving mechanism (4) comprises a driving box body (8), a driving shaft (9) and a sliding nut (10), wherein the driving box body (8) is arranged on a left valve body (1), the driving shaft (9) penetrates through the driving box body (8), the driving shaft (9) is rotationally connected with the driving box body (8), the sliding nut (10) is in threaded connection with the driving shaft (9) at the position in the driving box body (8), two sliding holes (11) are respectively formed in two sides of the driving box body (8), sliding convex sliding portions (12) matched with the sliding holes (11) are arranged on the sliding nut (10), an opening (13) is formed in the bottom of the driving box body (8), a movable concave portion (14) is formed in the bottom of the sliding nut (10), a driven rod (15) is arranged on the outer wall of the driving ring (5), and the outer end of the driven rod (15) penetrates through the opening (13) and is inserted into the movable concave portion (14).

3. A switchable convenient blind plate valve according to claim 2, wherein: the driving mechanism (4) further comprises a hand wheel (16) and a reduction gearbox (17), the reduction gearbox (17) is arranged on one side of the driving box body (8), the input end of the reduction gearbox (17) is connected with the hand wheel (16) in a linkage manner, and the output end of the reduction gearbox (17) is connected with the driving shaft (9) in a linkage manner.

4. A switchable convenient blind plate valve according to claim 1, wherein: still include spacing screw (18), the inner of spacing screw (18) is equipped with polished rod portion (19), set up screw (20) of drive circle (5), left side valve body (1) periphery corresponds the position of screw (20) is provided with arc spacing groove (21), spacing screw (18) with screw (20) screw thread fit of drive circle (5), and polished rod portion (19) of spacing screw (18) are inserted in arc spacing groove (21).

5. A switchable convenient blind plate valve according to claim 4, wherein: the driving ring (5) is provided with a groove (22) for embedding a screw head of a limit screw (18) at a position corresponding to the outer end of the screw hole (20), and the outer end of the groove (22) is inserted with a rubber plug (23).

6. A switchable convenient blind plate valve according to claim 1, wherein: an annular groove (24) is formed in the outer peripheral surface of one end, close to the valve seat ring (6), of the driving ring (5), an external thread (25) is arranged on the circumferential surface of the annular groove (24), an annular flange (26) matched with the annular groove (24) is arranged on the valve seat ring (6), and an internal thread (27) matched with the external thread (25) is arranged on the inner peripheral surface of the annular flange (26).

7. A switchable convenient blind plate valve according to claim 1, wherein: limiting component (7) are including limiting plate (28), left valve body (1) periphery is provided with mounting groove (29), limiting plate (28) are installed in mounting groove (29) through the screw, be provided with on valve seat circle (6) outer peripheral face along axially extending guide way (30), be provided with on limiting plate (28) with guide way (30) matched with guide protrusion (31).

8. A switchable convenient blind plate valve according to claim 1, wherein: the inner peripheral surface of the valve seat ring (6) is provided with a first sealing ring (32) which is used for forming sealing fit with the outer peripheral surface of the left valve body (1), one end surface of the blind plate (3) is provided with a second sealing ring (33) which is used for forming sealing fit with the valve seat ring (6), and the other end surface of the blind plate (3) is provided with a third sealing ring (34) which is used for forming sealing fit with the inner end surface of the right valve body (2).

9. A switchable convenient blind plate valve according to claim 1, wherein: the left valve body (1) and the right valve body (2) are connected together through a bolt (35), and a supporting sleeve (36) matched with the edge of the blind plate (3) is sleeved at the position between the left valve body (1) and the right valve body (2) of the bolt (35).