CN219452923U - Double-wheel double-control type manual gate valve - Google Patents

Abstract

The utility model provides a double-wheel double-control type manual gate valve, which relates to the technical field of manual gate valves and comprises a gate plate which is adjustably arranged inside a valve body through a lifting mechanism, wherein a mounting groove is formed in the center position of the valve body, gate wheels are arranged in the mounting groove, two gate wheels are arranged below the gate wheels and are of annular structures, the gate plate is arranged between the two gate wheels in a sealing sliding manner, the upper part of the gate plate and the lifting mechanism drive, a sealing plate is adjustably arranged on the inner side surface of the gate wheel, two sides of the gate plate and the sealing plate are in sealing extrusion arrangement, the sealing plate is adjusted and arranged through an adjusting mechanism, a gate groove is reserved between the two gate wheels, a cleaning block is adjustably arranged in the gate groove in a rotating manner and is in sliding assembly connection with the gate groove, and a positioning groove is arranged below the inner part of the gate groove, and the cleaning block is appropriately matched with the positioning groove. According to the utility model, the movable cleaning blocks are arranged in the brake grooves between the brake wheels, so that the brake grooves can be cleaned conveniently at any time, and the end plugs of the brake grooves are avoided.

Description

Double-wheel double-control type manual gate valve

Technical Field

The utility model relates to the technical field of manual gate valves, in particular to a double-wheel double-control type manual gate valve.

Background

The opening and closing piece of the manual gate valve is a gate plate, the moving direction of the gate plate is vertical to the fluid direction, the gate valve can only be fully opened and fully closed, and can not be regulated and throttled, and the manual gate valve can be divided into a wedge gate valve and a parallel gate valve according to the arrangement of sealing surfaces; the wedge gate valve can be divided into a single gate type, a double gate type and an elastic gate type; parallel gate valves can be divided into single gate type and double gate type.

The double-wheel double-control manual gate valve comprises a valve rod, a gate lifting hand wheel, a valve body, a gate, a sealing piece and an end cover, wherein a driving gear, a driven gear and a movable sealing ring are arranged in the valve body, the driving gear and the driven gear form a gear transmission pair, and the movable sealing ring and the driven gear form a spiral transmission pair; the sealing element is fixedly arranged on the movable sealing ring; and the sealing element moving hand wheel is arranged outside the valve body and is connected with the driving gear through the transmission shaft. The sealing element can be controlled by a sealing element moving hand wheel to translate along the axis direction, and before the flashboard moves, the sealing element leaves the flashboard sealing surface; after the flashboard moves in place, the sealing element moves back and compresses the sealing surface of the flashboard, so that the valve has more reliable sealing performance, more labor-saving operation and greatly prolongs the service life of the gate valve.

In the above patent, although the groove for sealing the gate plate in the gate valve can be cleaned by the cooperation of the flushing inlet and the flushing discharge port, the cleaning operation needs to be performed under the condition that the gate valve is not used, if the liquid with more particles is conveyed, the particles are easy to accumulate and deposit in the groove when passing through the groove in the gate valve, the bottom surface of the groove relative to the inner wall of the gate valve is relatively deep, the particles entering the groove are difficult to be flushed out under the impact of water flow, thereby blocking the gate groove after a period of time, and further affecting the gate closing.

Disclosure of Invention

In order to solve the problems, the utility model provides the double-wheel double-control manual gate valve, and the movable cleaning blocks are arranged in the gate grooves between the gate wheels, so that the gate grooves can be cleaned conveniently at any time, and the end plugs of the gate grooves are avoided.

In order to solve the problems, the utility model provides a double-wheel double-control manual gate valve, which comprises a valve body and a gate plate, wherein the gate plate is adjustably arranged inside the valve body through a lifting mechanism, an installation groove is formed in the central position of the valve body, gate wheels are arranged in the installation groove, two gate wheels are arranged below the gate wheels and are all of annular structures, the gate plate is arranged between the two gate wheels in a sealing sliding manner, the upper part of the gate plate is driven by the lifting mechanism, sealing plates are adjustably arranged on the inner side surfaces of the gate wheels, two sides of the gate plate are in sealing extrusion arrangement with the sealing plates, the sealing plates are adjusted and arranged through an adjusting mechanism, a gate groove is reserved between the two gate wheels, a cleaning block is adjustably arranged in the gate groove and is in sliding assembly connection with the gate groove, a positioning groove is arranged below the inner part of the gate groove, and the cleaning block is appropriately matched with the positioning groove.

The further improvement is that: the inner cambered surface of the brake wheel is flush with the inner wall of the valve body, a sealing groove is formed in the inner side surface of the brake wheel, the sealing plate is arranged in the sealing groove in a ring-shaped sealing sliding manner, the side wall of the sealing plate is arranged in the sealing groove in a sealing manner, and the adjusting mechanism is arranged in the sealing groove above the brake wheel.

The further improvement is that: the regulating mechanism comprises a pull rod and a pushing block, the pushing block is arranged at the lower end of the pull rod, a fixed plate is arranged at the upper end of the brake wheel, the fixed plate is identical to the brake wheel in internal structure, the fixed plate is fixedly assembled and connected with the upper part inside the valve body, the pull rod and the pushing block are slidably arranged in the sealing groove, a limiting groove is formed in the sealing groove inside the fixed plate, and the limiting groove is matched with the pushing block.

The further improvement is that: the two brake wheels are respectively provided with a pull rod, the upper ends of the pull rods penetrate through the upper portion of the valve body in a sealing mode and are connected through a connecting ring in an assembling mode, and the connecting ring is sleeved on the outer side of the lifting mechanism.

The further improvement is that: the lifting mechanism comprises a supporting frame and a threaded rod, the supporting frame is arranged on the outer side of the valve body, lower threads of the threaded rod penetrate through the supporting frame and the upper portion of the valve body and are connected with the upper portion of the flashboard in a rotating mode, and the threaded rod is connected with the valve body in a sealing assembly mode.

The further improvement is that: the brake slot above the positioning slot is provided with a wear-resistant soft pad, a spring is arranged below the inside of the positioning slot, and the upper end of the spring is in contact with the wear-resistant soft pad.

The further improvement is that: the cleaning block is characterized in that a first magnetic block is arranged on the outer side face of the cleaning block, a sliding groove is formed in the outer side of the valve body and located at the position of the mounting groove, a second magnetic block is arranged in the sliding groove in a sliding mode, and the first magnetic block and the second magnetic block are mutually adsorbed.

The beneficial effects of the utility model are as follows: this manual gate valve of two accuse of double round is opening closed operation through elevating system control, when lifting the flashboard, can expose the logical groove in the middle of two brake wheels outside, be convenient for rivers pass brake wheel central point department and flow, otherwise when closing, move the flashboard downwards, until the complete sealing contact with the brake groove between two brake wheels, and through adjusting mechanism, make two closing plates be close to the flashboard more, realize further extrusion sealedly to the flashboard, thereby guarantee the direct leakproofness of flashboard and brake wheel, avoid appearing leaking the phenomenon, through sliding in the brake groove and set up the cleaning block, even in the gate valve operation in-process, the cleaning block also can carry out incessantly operation, will pile up the deposit that deposits in the brake groove in the slip in-process of brake groove, and along with the impact of valve internal rivers, be convenient for wash away the deposit in the brake groove, repeatedly so, can guarantee the clean of brake groove, so that the flashboard can just insert the brake groove in the closed seal, in the flashboard process of falling, the flashboard edge can contact with the brake groove both sides down, until with the cleaning block moves down to the bottommost, avoid continuing to block down, the operation of cleaning block is blocked in the brake groove, continue to move down, the operation is continued to be blocked in the brake groove.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

FIG. 4 is a schematic diagram of the assembly of the brake wheel and the adjustment mechanism of the present utility model;

FIG. 5 is a schematic view of the internal structure of the brake wheel of the present utility model.

Wherein: 1. a valve body; 2. a flashboard; 3. a mounting groove; 4. a brake wheel; 5. a sealing plate; 6. a brake slot; 7. a cleaning block; 8. a positioning groove; 9. sealing grooves; 10. a pull rod; 11. pushing blocks; 12. a fixing plate; 13. a limit groove; 14. a connecting ring; 15. a support frame; 16. a threaded rod; 17. wear-resistant soft pad; 18. a spring; 19. a first magnetic block; 20. a chute; 21. and a second magnetic block.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the figures 1, 2, 3, 4 and 5, this embodiment provides a double-wheel double-control manual gate valve, which comprises a valve body 1 and a gate plate 2, wherein the gate plate 2 is adjustably arranged inside the valve body 1 through a lifting mechanism, a mounting groove 3 is arranged at the central position of the valve body 1, a gate wheel 4 is arranged in the mounting groove 3, the gate wheels 4 are provided with two and lower parts which are all in a ring structure, the gate plate 2 is hermetically and slidingly arranged between the two gate wheels 4, the upper part of the gate plate 2 is driven by the lifting mechanism, the inner side surface of the gate wheel 4 is adjustably provided with a sealing plate 5, two sides of the gate plate 2 and the sealing plate 5 are hermetically extruded, the sealing plate 5 is adjustably arranged through an adjusting mechanism, a gate groove 6 is reserved between the two gate wheels 4, an adjustable rotation cleaning block 7 is arranged in the gate groove 6, the cleaning block 7 is in sliding assembly connection with the gate groove 6, a positioning groove 8 is arranged below the inner part of the gate groove 6, the cleaning block 7 is matched with the positioning groove 8, the gate plate 2 is controlled by a lifting mechanism to be opened and closed, when the gate plate 2 is lifted, a through groove in the middle of the two gate wheels 4 is exposed out, water flows conveniently through the center of the gate wheels 4, otherwise, the gate plate 2 is moved downwards until the two gate wheels 4 are in full sealing contact with the gate groove 6, the two sealing plates 5 are closer to the gate plate 2 through adjustment of the adjusting mechanism, further extrusion sealing of the gate plate 2 is realized, so that the direct sealing performance of the gate plate 2 and the gate wheels 4 is ensured, the phenomenon of water leakage is avoided, the cleaning block 7 is arranged in a sliding manner in the gate groove 6, and even in the gate valve operation process, the cleaning block 7 can be operated continuously, in the sliding process of the cleaning block 7 in the gate groove 6, the deposited sediment deposited in the gate groove 6 is impacted, and along with the impact of water flow in the valve body 1, the deposited sediment which is punched out of the gate groove 6 is conveniently washed away, and the cleaning block 7 is repeatedly used, so that the gate groove 6 can be ensured to be tidy, the gate plate 2 can be just inserted into the gate groove 6 for closing and sealing, the edge of the gate plate 2 can slide downwards in contact with two sides of the gate groove 6 in the descending process of the gate plate 2 until the cleaning block 7 is moved to the lowest side of the gate groove 6, and the cleaning block 7 is blocked into the positioning groove 8 for temporary storage along with the continued downwards movement of the gate plate 2, so that the blocking on the closing operation of the gate plate 2 is avoided.

The intrados of brake pulley 4 with valve body 1 inner wall flushes, the medial surface of brake pulley 4 is equipped with seal groove 9, seal plate 5 is cyclic annular sealed slip setting in seal groove 9, seal plate 5's lateral wall with seal groove 9 seals the setting, adjustment mechanism sets up brake pulley 4 top in seal groove 9, when flashboard 2 moves to brake groove 6 inside, flashboard 2 lateral wall and seal plate 5 contact, through adjustment mechanism's regulation, moves outside seal plate 5 to seal groove 9 for be connected between seal plate 5 and the flashboard 2 inseparabler, the cooperation seal plate 5 is connected with seal groove 9 between the seal assembly, has effectively increased flashboard 2 stability and leakproofness in brake pulley 4.

The regulating mechanism comprises a pull rod 10 and a pushing block 11, the pushing block 11 is arranged at the lower end of the pull rod 10, a fixed plate 12 is arranged at the upper end of the gate wheel 4, the fixed plate 12 is identical to the inner structure of the gate wheel 4, the fixed plate 12 is fixedly assembled and connected with the upper part inside the valve body 1, the pull rod 10 and the pushing block 11 are slidably arranged in a sealing groove 9, a limiting groove 13 is arranged in the sealing groove 9 inside the fixed plate 12, the limiting groove 13 is matched with the pushing block 11, during regulating operation, the pull rod 10 can be pushed downwards, the pushing block 11 at the lower end of the pull rod 10 moves towards the inner part of the gate wheel 4, the sealing plate 5 is pushed outwards, the sealing plate 5 is tightly contacted with the gate plate 2 through the support of the pushing block 11, before the gate plate 2 is opened, the pull rod 10 is pulled upwards, the pushing block 11 is not supported until the pushing block 11 is pulled to the position of the limiting groove 13, and the sealing plate 5 is not supported, so that the gate plate 2 is convenient to move upwards.

The two brake wheels 4 are respectively provided with a pull rod 10, the upper ends of the pull rods 10 penetrate through the upper portion of the valve body 1 in a sealing mode and are connected in an assembling mode through a connecting ring 14, the connecting ring 14 is sleeved on the outer side of the lifting mechanism, and pushing operation is conducted on the two pull rods 10 conveniently.

The lifting mechanism comprises a supporting frame 15 and a threaded rod 16, the supporting frame 15 is arranged on the outer side of the valve body 1, lower end threads of the threaded rod 16 penetrate through the supporting frame 15 and the upper portion of the valve body 1 and are rotationally connected with the upper portion of the flashboard 2, the threaded rod 16 is in sealing assembly connection with the valve body 1, and the threaded rod 16 is rotated to drive the threaded rod 16 to move up and down relative to the valve body 1 so as to drive the flashboard 2 to lift.

Be equipped with wear-resisting cushion 17 on the sluice channel 6 of constant head tank 8 top, the inside below of constant head tank 8 is equipped with spring 18, the upper end of spring 18 with wear-resisting cushion 17 contact wear-resisting cushion 17's material is the same with the anti-cutting glove material, and wear-resisting cushion 17 outside is equipped with waterproof anticorrosion layer, when cleaning piece 7 resets, in the flashboard 2 extrusion cleaning piece 7 got into constant head tank 8, wear-resisting cushion 17 supported cleaning piece 7, when opening flashboard 2 on the contrary, spring 18 top wear-resisting cushion 17 and the cleaning piece 7 of setting on wear-resisting cushion 17 shifted out constant head tank 8, through wear-resisting cushion 17 of setting, avoided outside particulate matter to get into constant head tank 8, led to the fact the jam to constant head tank 8.

The cleaning block 7 is provided with a first magnetic block 19 on the outer side surface, a sliding groove 20 is arranged on the outer side of the valve body 1 and located at the position of the mounting groove 3, a second magnetic block 21 is arranged in the sliding groove 20 in a sliding mode, the first magnetic block 19 and the second magnetic block 21 are mutually adsorbed, the elastic force of the spring 18 is stronger than the adsorption force between the first magnetic block 19 and the second magnetic block 21, the second magnetic block 21 outside slides on the sliding groove 20, the first magnetic block 19 arranged inside is convenient to adsorb and move along with the sliding groove, cleaning is convenient to be conducted in the gate groove 6, and the inner materials of the valve body 1 and the valve body 1 are nonferrous materials.

This manual gate valve of two accuse of double round is opening closed operation through elevating system control, when lifting to flashboard 2, can expose the logical groove in the middle of two sluice wheels 4 outside, be convenient for rivers pass sluice wheel 4 central point department and flow, otherwise when closing, move flashboard 2 downwards, until with the complete sealing contact of sluice 6 between two sluice wheels 4, and through adjusting mechanism, make two closing plates 5 be close to flashboard 2 more, realize further extrusion seal to flashboard 2, thereby guarantee flashboard 2 and the direct leakproofness of sluice wheel 4, avoid appearing leaking the phenomenon, through sliding in sluice 6 set up cleaning piece 7, even in the operation process of sluice valve, will pile up the deposit in sluice 6 and strike up, and along with the impact of rivers in valve body 1, be convenient for with the deposit that washes out sluice 6, keep on so, can guarantee that flashboard 2 can just insert in sluice 6 and seal up to flashboard 2, and prevent that the sluice 2 from moving down in the sluice 6 and block 7 is gone into the edge to the edge in the time of sluice 6, avoid the cleaning piece 7 to move down along with the sluice 6, the edge is kept away from moving down to the edge 7, the cleaning piece is kept away to the edge in the sluice 6.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a two-wheel double control formula manual gate valve, includes valve body (1) and flashboard (2), flashboard (2) are in through elevating system adjustable setting valve body (1) is inside, its characterized in that: the utility model discloses a valve body, including valve body (1), valve body, sealing plate (6), sealing plate (7), sealing plate (8), sealing plate (5) are equipped with in the central point department of valve body (1), be equipped with brake pulley (4) in mounting groove (3), brake pulley (4) are equipped with two and the below is all established to annular structure, flashboard (2) sealed slip sets up two between brake pulley (4), the top of flashboard (2) with elevating system drive, the medial surface of brake pulley (4) is adjustable be equipped with closing plate (5), both sides of flashboard (2) with sealing plate (5) seal extrusion sets up, closing plate (5) are through adjustment mechanism regulation setting, two keep between brake pulley (4) brake groove (6), adjustable rotation is equipped with cleaning block (7) in brake groove (6), cleaning block (7) with brake groove (6) sliding fit connection, brake groove (6) inside below is equipped with constant head tank (8), cleaning block (7) with constant head tank (8) card suitable.

2. A two-wheeled, two-controlled, manual gate valve as claimed in claim 1, wherein: the inner cambered surface of the brake wheel (4) is flush with the inner wall of the valve body (1), a sealing groove (9) is formed in the inner side surface of the brake wheel (4), the sealing plate (5) is arranged in the sealing groove (9) in a ring-shaped sealing sliding manner, the side wall of the sealing plate (5) is arranged in the sealing groove (9) in a sealing manner, and the adjusting mechanism is arranged in the sealing groove (9) above the brake wheel (4).

3. A two-wheeled, two-controlled, manual gate valve as claimed in claim 2, wherein: the regulating mechanism comprises a pull rod (10) and a pushing block (11), the pushing block (11) is arranged at the lower end of the pull rod (10), a fixed plate (12) is arranged at the upper end of the brake wheel (4), the fixed plate (12) is identical to the brake wheel (4) in internal structure, the fixed plate (12) is fixedly assembled and connected with the upper part inside the valve body (1), the pull rod (10) and the pushing block (11) are slidably arranged in the sealing groove (9), a limiting groove (13) is formed in the sealing groove (9) inside the fixed plate (12), and the limiting groove (13) is matched with the pushing block (11).

4. A two-wheeled, two-controlled, manual gate valve according to claim 3, wherein: the two brake wheels (4) are respectively provided with a pull rod (10), the upper ends of the pull rods (10) penetrate through the upper portion of the valve body (1) in a sealing mode and are connected in an assembling mode through a connecting ring (14), and the connecting ring (14) is sleeved on the outer side of the lifting mechanism.

5. The dual wheel dual control manual gate valve of claim 4, wherein: the lifting mechanism comprises a supporting frame (15) and a threaded rod (16), the supporting frame (15) is arranged on the outer side of the valve body (1), lower threads of the threaded rod (16) penetrate through the supporting frame (15) and the upper portion of the valve body (1) and are rotationally connected with the upper portion of the flashboard (2), and the threaded rod (16) is in sealing assembly connection with the valve body (1).

6. A two-wheeled, two-controlled, manual gate valve as claimed in claim 1, wherein: the brake slot (6) above the positioning slot (8) is provided with a wear-resistant soft pad (17), a spring (18) is arranged below the inside of the positioning slot (8), and the upper end of the spring (18) is in contact with the wear-resistant soft pad (17).

7. The dual wheel dual control manual gate valve of claim 6, wherein: the cleaning block is characterized in that a first magnetic block (19) is arranged on the outer side face of the cleaning block (7), a sliding groove (20) is formed in the outer side of the valve body (1) and located at the position of the mounting groove (3), a second magnetic block (21) is arranged in the sliding groove (20) in a sliding mode, and the first magnetic block (19) and the second magnetic block (21) are mutually adsorbed.