阅读说明：本技术 一种阀门手动装置的锁紧机构 (Locking mechanism of valve manual device ) 是由 王云松 于 2021-08-19 设计创作，主要内容包括：本发明属于阀门领域,具体的说是一种阀门手动装置的锁紧机构,包括阀体；所述阀体的上表面固定连接有密封罩,所述密封罩的顶部设置有转轮。该阀门手动装置的锁紧机构通过设置调节机构,当阀片转动时,上升的顶杆将挡板向上顶出,通槽开启,水流经通槽进入进水管的内部,一部分水流从通孔流出至密封管的内部,另一部分水流流出至缓冲块的内部,随着水流的不断注入,活塞推动滑块向左运动,推杆挤压缓冲块和压块,缓冲块内部的水压反推滑块,调节机构锁定,橡胶圈内部的气体在压力作用下经连接管进入空腔的内部,调节机构在增大预紧效果的同时也增加了气密性,防止因预紧力减小导致泄漏,解决了传统阀门关闭时容易因为松动产生泄漏的问题。(The invention belongs to the field of valves, and particularly relates to a locking mechanism of a valve manual device, which comprises a valve body; the upper surface of the valve body is fixedly connected with a sealing cover, and the top of the sealing cover is provided with a rotating wheel. This valve hand device's locking mechanism is through setting up adjustment mechanism, when the valve block rotates, the ejector pin that rises makes progress ejecting with the baffle, it opens to lead to the groove, rivers get into the inside of inlet tube through the chute, partly rivers flow from the through-hole to the inside of sealed tube, another part rivers flow to the inside of buffer block, along with the continuous injection of rivers, the piston promotes the slider and moves left, push rod extrusion buffer block and briquetting, the inside water pressure backstep slider of buffer block, adjustment mechanism locks, the inside gas of rubber circle gets into the inside of cavity through the connecting pipe under the pressure effect, adjustment mechanism has also increased the gas tightness when increasing the pretension effect, prevent to lead to leaking because of the pretension power reduces easily when having solved traditional valve and has closed because not hard up the problem that produces the leakage.)

1. A locking mechanism of a valve manual device comprises a valve body (1); the method is characterized in that: the upper surface fixedly connected with seal cover (2) of valve body (1), the top of seal cover (1) is provided with runner (3), the inside of runner (3) is provided with adjusts pole (4), the bottom of adjusting pole (4) is provided with case (5), the internal surface of case (5) and the surface sliding connection who adjusts pole (4), the upper surface of case (5) and the lower fixed surface of runner (3) are connected, the surface of case (5) and the internal surface rotation of seal cover (2) are connected, the bottom of seal cover (2) is provided with valve block (6), the internal surface of valve block (6) and the external fixed surface of case (5) are connected, the surface of valve block (6) and the internal surface rotation of valve body (1) are connected, spread groove (7) have been seted up in the wall of valve body (1).

2. A locking mechanism for a valve hand set according to claim 1, wherein: the inner surface of the sealing cover (2) is fixedly connected with a fixed plate (10), the outer surface of the left side of the fixed plate (10) is rotatably connected with the outer surface of the valve core (5), a rectangular groove (11) is arranged in the wall of the valve core (5), a movable plate (12) is arranged on the back of the rectangular groove (11), the outer surface of the right side of the movable plate (12) is fixedly connected with the outer surface of the valve core (5), the outer surface of the left side of the movable plate (12) is rotationally connected with the inner surface of the sealing cover (2), the top of the sealing cover (2) is provided with a sleeve (13), the left end of the sleeve (13) is fixedly connected with the outer surface of the valve core (5), the right-hand member swing joint of sleeve (13) has telescopic link (15), surface on telescopic link (15) left side and the outer fixed surface on sleeve (13) right side are connected with bellows (14).

3. A locking mechanism for a valve hand set according to claim 1, wherein: valve block (6) are including apron (20), back fixedly connected with backup pad (21) of apron (20), the inside fixedly connected with adjustment mechanism (22) of backup pad (21), the external fixed surface of adjustment mechanism (22) is connected with strengthening rib (23), strengthening rib (23) welding is at the internal surface of backup pad (21), the both sides swing joint of backup pad (21) and apron (20) has sealing mechanism (24), the front swing joint of apron (20) has mechanism (25) that opens and shuts.

4. A locking mechanism for a valve hand set according to claim 3, wherein: the adjusting mechanism (22) comprises a water inlet pipe (30), a through hole (31) is formed in the front of the water inlet pipe (30), a piston (32) is arranged on the left side of the through hole (31), the inner surface of the piston (32) is connected with the outer surface of the water inlet pipe (30) in a sliding manner, a sealing pipe (33) is connected with the outer surface of the piston (32) in a sliding manner, the inner surface of the sealing pipe (33) is fixedly connected with the outer part of the valve core (5), a sliding block (34) is arranged at the left end of the sealing pipe (33), the outer surface of the right side of the sliding block (34) is fixedly connected with the outer surface of the left side of the piston (32), a compression spring (35) is fixedly connected with the outer surface of the left side of the sliding block (34), push rods (36) are arranged on two sides of the compression spring (35), the bottom end of each push rod (36) is rotatably connected with the outer surface of the sliding block (34), and a buffer block (37) is movably connected with the top end of each push rod (36) and the left end of each compression spring (35), the internal surface of buffer block (37) and the surface sliding connection of inlet tube (30), the left fixed surface of buffer block (37) is connected with briquetting (38), the fixed surface of briquetting (38) is connected with laminating mechanism (39).

5. The locking mechanism of a valve hand set according to claim 4, wherein: laminating mechanism (39) include rubber circle (40), the external fixed surface of rubber circle (40) is connected with soft board (41), the right side of soft board (41) is provided with cavity (42), the right side of cavity (42) is provided with connecting pipe (43), the both ends of connecting pipe (43) and the external fixed surface on rubber circle (40) right side are connected.

6. A locking mechanism for a valve hand set according to claim 3, wherein: the opening and closing mechanism (25) comprises a vertical pipe (44), an ejector rod (45) is connected to the inner surface of the vertical pipe (44) in a sliding mode, a baffle (46) is arranged at the top end of the ejector rod (45), the outer surface of the baffle (46) is connected with the outer surface of the cover plate (20) in a sliding mode, a through groove (47) is formed in the wall of the cover plate (20), and the through groove (47) is located on the back face of the baffle (46).

Technical Field

The invention belongs to the field of valves, and particularly relates to a locking mechanism of a valve manual device.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

When the traditional butterfly valve is closed, as the traditional butterfly valve is only suitable for a low-pressure environment, when the external pretightening force exceeds the pretightening peak value, the sliding wire is overloaded inside the valve, but when the pretightening force is too small, the valve can be loosened under the impact of water flow, so that leakage is caused.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a locking mechanism of a valve manual device, which solves the problems that the interior of a valve with overlarge pretightening force of a traditional butterfly valve is overloaded with sliding wires, and the valve with undersensing force is loosened and leaked.

(II) technical scheme

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a locking mechanism of a valve manual device, which comprises a valve body; the upper surface fixed connection of valve body has the sealed cowling, the top of sealed cowling is provided with the runner, the inside of runner is provided with adjusts the pole, the bottom of adjusting the pole is provided with the case, the internal surface of case and the surface sliding connection who adjusts the pole, the upper surface of case and the lower fixed surface of runner are connected, the surface of case is connected with the internal surface rotation of sealed cowling, the bottom of sealed cowling is provided with the valve block, the internal surface of valve block and the external surface fixed connection of case, the surface of valve block is connected with the internal surface rotation of valve body, open in the wall of valve body and be equipped with the spread groove.

The sealing structure is characterized in that a fixed plate is fixedly connected to the inner surface of the sealing cover, the outer surface of the left side of the fixed plate is rotatably connected with the outer surface of the valve element, a rectangular groove is formed in the wall of the valve element, a movable plate is arranged on the back of the rectangular groove, the outer surface of the right side of the movable plate is fixedly connected with the outer surface of the valve element, the outer surface of the left side of the movable plate is rotatably connected with the inner surface of the sealing cover, a sleeve is arranged at the top of the sealing cover, the left end of the sleeve is fixedly connected with the outer surface of the valve element, a telescopic rod is movably connected to the right end of the sleeve, and corrugated pipes are fixedly connected to the surfaces of the left side of the telescopic rod and the right side of the sleeve.

The valve block includes the apron, the back fixedly connected with backup pad of apron, the inside fixedly connected with adjustment mechanism of backup pad, adjustment mechanism's surface fixedly connected with strengthening rib, the strengthening rib welding is at the internal surface of backup pad, the both sides swing joint of backup pad and apron has sealing mechanism, the front swing joint of apron has the mechanism that opens and shuts.

The adjusting mechanism comprises a water inlet pipe, the front surface of the water inlet pipe is provided with a through hole, the left side of the through hole is provided with a piston, the inner surface of the piston is connected with the outer surface of the water inlet pipe in a sliding way, the outer surface of the piston is connected with a sealing pipe in a sliding way, the inner surface of the sealing tube is fixedly connected with the outside of the valve core, the left end of the sealing tube is provided with a slide block, the outer surface of the right side of the sliding block is fixedly connected with the outer surface of the left side of the piston, the outer surface of the left side of the sliding block is fixedly connected with a compression spring, push rods are arranged on two sides of the compression spring, the bottom ends of the push rods are rotatably connected with the outer surface of the sliding block, the top end of the push rod and the left end of the compression spring are movably connected with a buffer block, the inner surface of the buffer block is connected with the outer surface of the water inlet pipe in a sliding way, the outer fixed surface on the left side of the buffer block is connected with a pressing block, and the inner fixed surface of the pressing block is connected with a fitting mechanism.

Laminating mechanism includes the rubber circle, the outer fixed surface of rubber circle is connected with the soft board, the right side of soft board is provided with the cavity, the right side of cavity is provided with the connecting pipe, the both ends of connecting pipe and the outer fixed surface on rubber circle right side are connected.

The opening and closing mechanism comprises a vertical pipe, an ejector rod is connected to the inner surface of the vertical pipe in a sliding mode, a baffle is arranged at the top end of the ejector rod, the outer surface of the baffle is connected with the outer surface of the cover plate in a sliding mode, a through groove is formed in the wall of the cover plate, and the through groove is located on the back face of the baffle.

The invention has the following beneficial effects:

1. by arranging the valve plate, when the valve needs to be closed, the rotating wheel is rotated, the valve core drives the valve plate to be aligned, the opening and closing mechanism is opened by water flow at the water inlet end, the adjusting mechanism and the sealing mechanism extend outwards under the action of water pressure, the sealing mechanism props against the inner surface of the valve body, so that the sealing performance and the stability are enhanced, the other part of the water flow at the water inlet end enters the inside of the sealing cover from the connecting groove, under the blocking of the fixed plate, water flow impacts the movable plate to enable the movable plate to have a tendency of approaching the fixed plate, high-pressure water flows through the rectangular groove to impact the adjusting rod from bottom to top, the adjusting rod and the telescopic rod extend out simultaneously, the telescopic rod is rotated at the moment, the valve block is completely aligned, the water pressure at the water inlet end of the valve is utilized to increase the pre-tightening force when the valve is locked, resistance when rotating is reduced through the length of increase telescopic link, has solved traditional valve when the pretension, because the pretension is too big, the inside problem of smooth silk easily.

2. According to the invention, through the arrangement of the adjusting mechanism, when the valve block rotates, water flow at the water inlet end impacts the bottom end of the vertical pipe, the ejector rod extends out, the ascending ejector rod ejects the baffle plate upwards, the through groove is opened, the water flow enters the inside of the water inlet pipe through the through groove, a part of water flow flows out of the through hole to the inside of the sealing pipe, the other part of water flow flows out of the inside of the buffer block, along with the continuous injection of the water flow, the piston pushes the slider to move leftwards, the push rod extrudes the buffer block and the pressing block, the water pressure in the buffer block reversely pushes the slider, the adjusting mechanism is locked, gas in the rubber ring enters the inside of the cavity through the connecting pipe under the action of pressure, the adjusting mechanism increases the air tightness while increasing the pre-tightening effect, the leakage caused by the reduction of the pre-tightening force is prevented, and the problem that the leakage is easily caused by looseness when the traditional valve is closed is solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the exterior of the cartridge of the present invention;

FIG. 4 is a schematic structural view of the valve plate of the present invention;

FIG. 5 is a schematic view of the adjustment mechanism and sealing mechanism of the present invention;

FIG. 6 is a schematic structural view of a conformable mechanism of the present invention;

fig. 7 is a schematic structural diagram of the opening and closing mechanism of the present invention.

In the figure: the valve comprises a valve body 1, a sealing cover 2, a rotating wheel 3, an adjusting rod 4, a valve core 5, a valve plate 6, a connecting groove 7, a fixing plate 10, a rectangular groove 11, a movable plate 12, a sleeve 13, a corrugated pipe 14, an expansion rod 15, a cover plate 20, a support plate 21, an adjusting mechanism 22, a reinforcing rib 23, a sealing mechanism 24, an opening and closing mechanism 25, a water inlet pipe 30, a through hole 31, a piston 32, a sealing pipe 33, a sliding block 34, a compression spring 35, a push rod 36, a buffer block 37, a pressing block 38, a laminating mechanism 39, a rubber ring 40, a soft plate 41, a cavity 42, a connecting pipe 43, a vertical pipe 44, an ejector rod 45, a baffle 46 and a through groove 47.

Detailed Description

A locking mechanism of a valve manual device according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1-7, the locking mechanism of the valve manual device of the present invention comprises a valve body 1; the last fixed surface of valve body 1 is connected with seal cover 2, the top of seal cover 1 is provided with runner 3, the inside of runner 3 is provided with adjusts pole 4, the bottom of adjusting pole 4 is provided with case 5, the internal surface of case 5 and the surface sliding connection who adjusts pole 4, the upper surface of case 5 and the lower fixed surface of runner 3 are connected, the surface of case 5 and the internal surface rotation of seal cover 2 are connected, the bottom of seal cover 2 is provided with valve block 6, the internal surface of valve block 6 and the external surface fixed connection of case 5, the surface of valve block 6 and the internal surface rotation of valve body 1 are connected, open in the wall of valve body 1 and be equipped with spread groove 7.

The internal fixed surface of sealed cowling 2 is connected with fixed plate 10, the left surface of fixed plate 10 is connected with the surface rotation of case 5, rectangular channel 11 has been seted up in the wall of case 5, the back of rectangular channel 11 is provided with fly leaf 12, the surface on fly leaf 12 right side is connected with the surface fixed surface of case 5, the left surface of fly leaf 12 is connected with the internal surface rotation of sealed cowling 2, the top of sealed cowling 2 is provided with sleeve 13, the left end of sleeve 13 is connected with the surface fixed surface of case 5, the right-hand member swing joint of sleeve 13 has telescopic link 15, the left surface of telescopic link 15 and the external fixed surface on sleeve 13 right side are connected with bellows 14.

The valve plate 6 comprises a cover plate 20, a support plate 21 is fixedly connected to the back of the cover plate 20, an adjusting mechanism 22 is fixedly connected to the inside of the support plate 21, a reinforcing rib 23 is fixedly connected to the outer surface of the adjusting mechanism 22, the reinforcing rib 23 is welded to the inner surface of the support plate 21, a sealing mechanism 24 is movably connected to the two sides of the support plate 21 and the cover plate 20, an opening and closing mechanism 25 is movably connected to the front of the cover plate 20, by arranging the valve plate 6, when the valve needs to be closed, the rotating wheel 3 is rotated, the valve core 5 drives the valve plate 6 to return to the right position, the opening and closing mechanism 25 is opened by water flow at the water inlet end, the adjusting mechanism 22 and the sealing mechanism 24 are outwards extended under the action of water pressure, the sealing mechanism 24 supports against the inner surface of the valve body 1, so that the sealing performance and the stability are enhanced, the other part of the water flow at the water inlet end enters the inside of the sealing cover 2 from the connecting groove 7, under the blocking of the fixed plate 10, the water flow impacts the movable plate 12, make it have the trend that is close to fixed plate 10, high pressure water flow through rectangular channel 11 from bottom to top strikes adjusting pole 4, adjusts pole 4 and telescopic link 15 and stretches out simultaneously, rotates telescopic link 15 this moment, and valve block 6 returns totally, and the pretightning force when utilizing the water pressure increase valve locking of valve intake end reduces the resistance when rotating through the length of increase telescopic link 15, has solved traditional valve when the pretension, because the pretightning force is too big, the problem of inside smooth silk easily.

Adjusting mechanism 22 includes inlet tube 30, through-hole 31 has been seted up in the front of inlet tube 30, the left side of through-hole 31 is provided with piston 32, the internal surface of piston 32 and the surface sliding connection of inlet tube 30, the surface sliding connection of piston 32 has sealed tube 33, the internal surface of sealed tube 33 and the outside fixed connection of case 5, the left end of sealed tube 33 is provided with slider 34, the surface on slider 34 right side and the left surface fixed connection of piston 32, the left surface fixed connection of slider 34 has compression spring 35, the both sides of compression spring 35 are provided with push rod 36, the bottom of push rod 36 rotates with the surface of slider 34 to be connected, the top of push rod 36 and the left end swing joint of compression spring 35 have buffer block 37, the internal surface of buffer block 37 and the surface sliding connection of inlet tube 30, the left surface fixed connection of buffer block 37 has briquetting 38, the internal surface fixed connection of briquetting 38 has laminating mechanism 39.

Laminating mechanism 39 includes rubber circle 40, and the outer fixed surface of rubber circle 40 is connected with soft board 41, and the right side of soft board 41 is provided with cavity 42, and the right side of cavity 42 is provided with connecting pipe 43, and the both ends of connecting pipe 43 and the outer fixed surface on rubber circle 40 right side are connected.

The opening and closing mechanism 25 comprises a vertical pipe 44, an ejector rod 45 is connected to the inner surface of the vertical pipe 44 in a sliding mode, a baffle plate 46 is arranged at the top end of the ejector rod 45, the outer surface of the baffle plate 46 is connected with the outer surface of the cover plate 20 in a sliding mode, a through groove 47 is formed in the wall of the cover plate 20, the through groove 47 is located on the back face of the baffle plate 46, through the arrangement of the adjusting mechanism 22, when the valve plate 6 rotates, water flow at the water inlet end impacts the bottom end of the vertical pipe 44, the ejector rod 45 extends out, the rising ejector rod 45 ejects the baffle plate 46 upwards, the through groove 47 is opened, the water flow enters the water inlet pipe 30 through the through groove 47, a part of the water flow flows out of the sealing pipe 33 from the through hole 31, the other part of the water flow flows out of the buffer block 37, along with the continuous injection of the water flow, the piston 32 pushes the slide block 34 to move leftwards, the push rod 36 extrudes the buffer block 37 and the press block 38, the slide block 34 is pushed backwards by the water pressure in the buffer block 37, the adjusting mechanism is locked, the gas in the rubber ring 40 enters the cavity 42 through the connecting pipe 43 under the action of pressure, the adjusting mechanism 22 increases the air tightness while increasing the pre-tightening effect, the leakage caused by the reduction of the pre-tightening force is prevented, and the problem that the leakage is easily caused by looseness when the traditional valve is closed is solved.

The specific working process is as follows:

when the valve is in operation, when the valve needs to be closed, the rotating wheel 3 is rotated, the valve core 5 drives the valve plate 6 to return to the right, the opening and closing mechanism 25 is opened by water flow at the water inlet end, the adjusting mechanism 22 and the sealing mechanism 24 are outwards extended under the action of water pressure, the sealing mechanism 24 supports against the inner surface of the valve body 1, the sealing performance and the stability are enhanced, the other part of water flow at the water inlet end enters the sealing cover 2 from the connecting groove 7, under the blocking of the fixing plate 10, the water flow impacts the movable plate 12, the movable plate has the tendency of approaching the fixing plate 10, high-pressure water flows through the rectangular groove 11 to impact the adjusting rod 4 from bottom to top, the adjusting rod 4 and the telescopic rod 15 are simultaneously extended, the telescopic rod 15 is rotated at the moment, the valve plate 6 returns to the right completely, the pre-tightening force when the valve is locked is increased by the water pressure at the water inlet end of the valve, and the resistance during rotation is reduced by increasing the length of the telescopic rod 15.

When the valve plate 6 rotates, the water flow at the water inlet end impacts the bottom end of the vertical pipe 44, the ejector rod 45 extends out, the ascending ejector rod 45 ejects the baffle 46 upwards, the through groove 47 is opened, the water flow enters the inside of the water inlet pipe 30 through the through groove 47, a part of the water flow flows out of the through hole 31 to the inside of the sealing pipe 33, the other part of the water flow flows out of the inside of the buffer block 37, along with the continuous injection of the water flow, the piston 32 pushes the slider 34 to move leftwards, the push rod 36 extrudes the buffer block 37 and the pressing block 38, the water pressure inside the buffer block 37 pushes the slider 34 backwards, the adjusting mechanism is locked, the gas inside the rubber ring 40 enters the inside of the cavity 42 through the connecting pipe 43 under the action of pressure, the adjusting mechanism 22 also increases the air tightness while increasing the pre-tightening effect, and prevents leakage caused by the reduction of the pre-tightening force.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.