CN209622078U

CN209622078U - A kind of lug knife gate valve

Info

Publication number: CN209622078U
Application number: CN201920125249.3U
Authority: CN
Inventors: 张学金; 王睿
Original assignee: Yongjia Zhongte Valve Co Ltd
Current assignee: Yongjia Zhongte Valve Co Ltd
Priority date: 2019-01-24
Filing date: 2019-01-24
Publication date: 2019-11-12
Anticipated expiration: 2029-01-24

Abstract

The utility model discloses a kind of lug knife gate valves, its drip irrigation device includes valve body, flashboard is equipped in the valve body, the upper end of the flashboard is fixed with valve rod, the upper end of the valve body is rotatably connected to handwheel, the handwheel is connect with threaded stem, it is characterized by: the handwheel includes the central block with valve body rotation connection, multiple support rods are evenly equipped on the central block, the outer end of the support rod is equipped with the swivel becket fixed with each support rod, the outer wall of the swivel becket is equipped with multiple shifting chutes for corresponding and being connected to each support rod, sliding, which is located by connecting, in the shifting chute extension rod.The utility model has convenient for packed and transported and handwheel is convenient for the function of rotation.

Description

A kind of lug knife gate valve

Technical field

The utility model relates to a kind of valves, and more specifically it is related to a kind of lug knife gate valve.

Background technique

Gate valve is a kind of a kind of valve that valve opening and closing are realized using flashboard lifting.It is as shown in Figure 1 one kind Gate valve, including valve body 1, valve body 1 is interior to be equipped with flashboard 2, and the upper end of flashboard 2 is fixed with valve rod 3, is rotatablely connected in the upper end of valve body 1 There is handwheel 4, handwheel 4 is threadedly coupled with valve rod 3.When in use, rotation handwheel 4 can be moved up and down with ovable valve stem 3, thus band Dynamic flashboard 2 moves up and down the opening and closing for realizing valve.

Above-mentioned gate valve rotates to realize the rotation of valve rod 3 by handwheel 4, but traditional handwheel 4 is in order to reduce gate valve Whole volume is arranged smaller, and in rotation, the center of rotation of the outermost range hadn wheel 4 of handwheel 4 is closer, so that people turn Wheel 4 of starting is more painstaking, if increase handwheel 4 with can be convenient for rotation but required space also increases and is not easy to after handwheel 4 becomes larger Packed and transported.

Utility model content

In view of the deficienciess of the prior art, having the utility model lies in that providing a kind of lug knife gate valve convenient for packaging Transport and handwheel are convenient for the function of rotation.

To achieve the above object, the utility model provides following technical solution: a kind of lug knife gate valve, including valve body, Flashboard is equipped in the valve body, the upper end of the flashboard is fixed with valve rod, and the upper end of the valve body is rotatably connected to handwheel, described Handwheel is connect with threaded stem, it is characterised in that: the handwheel includes the central block with valve body rotation connection, the central block On be evenly equipped with multiple support rods, the outer end of the support rod is equipped with the swivel becket fixed with each support rod, the swivel becket Outer wall is equipped with multiple shifting chutes for corresponding and being connected to each support rod, and sliding, which is located by connecting, in the shifting chute prolongs Boom.

By using above-mentioned technical proposal, when needing to rotate handwheel, extension rod is skidded off into shifting chute and is positioned, is led at this time Extension rod is crossed come the center of rotation of manpower range hadn wheel when rotating handwheel farther out, so as to rotate handwheel more easy and convenient by people； Without in extension rod retraction shifting chute and will position when rotating handwheel, extension rod not will increase area shared by handwheel at this time, So that the obstruction of people's packaging and transport Shi Bushou extension rod, to realize the function that convenient for packed and transported and handwheel is easy to rotate Energy.

The utility model is further arranged to: the lower end of the extension rod is fixed with limited block close to the side of central block, The downside of the support rod is equipped with the limiting slot being pierced by for limited block, and the limited block is equipped with link block, the limiting slot Both ends are fixed with the first locating piece and the second locating piece, and the second locating piece is with respect to the first locating piece closer to central block, the company Connecing block can be detachably connected with the first locating piece and the second locating piece, and when link block is connect with the first locating piece, extension rod is stretched Enter shifting chute, when link block is connect with the second locating piece, extension rod is fully located in shifting chute.

By using above-mentioned technical proposal, when needing extension rod to rotate handwheel, by limited block by extension rod from Shifting chute is released, and then connect link block with the first locating piece, so that extension rod position is fixed, convenient for rotation handwheel；In nothing When need to rotate handwheel, extension rod is slid into shifting chute by limited block, and link block is connect with the second locating piece, so that prolonging Boom is not easy to skid off from shifting chute.

The utility model is further arranged to: the lower end of the limited block is equipped with link slot, and the link block is isosceles ladder Shape and up big and down small, the upper end of the link block are equipped with the recessing groove slid into for limited block, and the bottom of the link slot is fixed There is spring, the other end of the spring and the bottom of recessing groove are fixed, and the lower end of the link block is equipped with card slot, and the card slot will Link block is divided into symmetrical two fixture blocks, and first locating piece and second limit opposite one side and be equipped with mounting hole, works as limit When block is abutted with the both ends of limiting slot, the groove position is corresponding respectively at the first locating piece and the second locating piece.

By using above-mentioned technical proposal, when being slided mobile bar to outside shifting chute by limited block, far from central block The inclined-plane of fixture block can be contacted with far from central block limited block so that link block moves up compressed spring, when limited block and limiting slot When one end far from central block abuts, the first locating piece is aligned with card slot, and spring bounces so that the first locating piece insertion card at this time So that limited block can not slide in slot, the catenation principle and the first link block of the second locating piece and link block and link block When connecting far from cabinet, and link block being separated with the first locating piece and the second locating piece, only need to press link block makes card Slot separated with the first locating piece and the second locating piece can mobile link block, it is simple to operate.

The utility model is further arranged to: the opening of the shifting chute is equipped with auxiliary tank, and the auxiliary tank is embedded with The expanding bar of arc, the expanding bar are fixed with extension rod.

By using above-mentioned technical proposal, when manpower hold with a firm grip extension rod push handwheel when, expanding bar can place receipts from prolonging Boom slides far from one end of central block, so that more convenient when people's promotion handwheel.

The utility model is further arranged to: positioning ring is rotatably connected on the valve body, screw thread connects on the positioning ring It is connected to positioning bolt, the positioning ring is connect by connection component with handwheel.

By using above-mentioned technical proposal, after hand wheel rotating makes valve plate open and close or close can screwed in place bolt make Positioning ring is not easy to rotate, since positioning ring is connect by connection component with handwheel, so that handwheel is not easy to rotate, so that people When accidentally touching handwheel, the variation of ram position is not easily caused.

The utility model is further arranged to: the connection component includes that be fixed in positioning ring circumferential side wall multiple stretch Contracting bar, the remotely located one end of the telescopic rod are fixed with the connecting rod upwardly extended, and the lower end of the auxiliary tank is equipped with and turns The locating slot of rotating ring outer wall connection, the upper end of connecting rod pass through locating slot and fix with expanding bar.

By using above-mentioned technical proposal, when extension rod is mobile, telescopic rod, which is able to carry out, to be stretched and will not make to extension rod Telescopic rod and expanding bar are attached at obstruction, and by connecting rod, so that telescopic rod and extension rod be not pliable, improved The intensity of telescopic rod and extension rod.

In conclusion the utility model has the following beneficial effects:

Extension rod is slided by limited block realizes the flexible of extension rod, it is fixed by link block and the first locating piece and second Position block is detachably connected the positioning for realizing extension rod, when needing to rotate handwheel, extension rod can be protruded into shifting chute, passed through Extension rod rotation handwheel is more laborsaving easily, when being not necessarily to rotate handwheel, by so that it will not influence in extension rod retraction shifting chute The packaging and transport of gate valve.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of gate valve in background technique；

Fig. 2 is the structural schematic diagram of the present embodiment；

Fig. 3 is the schematic diagram for highlighting hand wheel structure in the present embodiment；

Fig. 4 is the schematic diagram for highlighting handwheel internal structure in the present embodiment；

Fig. 5 is the partial enlargement diagram in the present embodiment at handwheel internal structure A.

Appended drawing reference: 1, valve body；2, flashboard；3, valve rod；4, handwheel；5, positioning ring；6, positioning bolt；7, telescopic rod；8, Connecting rod；41, central block；42, support rod；43, swivel becket；44, extension rod；45, limited block；46, link block；47, spring； 421, shifting chute；422, limiting slot；423, the first locating piece；424, the second locating piece；425, mounting hole；426, auxiliary tank； 427, expanding bar；428, locating slot；451, link slot；461, recessing groove；462, card slot；463, fixture block.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Present embodiment discloses a kind of lug knife gate valves, as shown in Figure 2 and Figure 3, including valve body 1, valve body 1 is interior to be equipped with flashboard 2, the upper end of flashboard 2 is fixed with valve rod 3, is rotatably connected to handwheel 4 in the upper end of valve body 1, handwheel 4 is threadedly coupled with valve rod 3.

As shown in Figure 3, Figure 4, handwheel 4 includes the central block 41 being rotatablely connected with valve body 1, the circumferential side wall of central block 41 Upper uniformly distributed there are four support rod 42, the outer end of support rod 42 is equipped with the swivel becket 43 fixed with four support rods 42.In center ring Lateral wall on four shifting chutes 421 being connected to inside four support rods 42, be slidably equipped with extension rod in shifting chute 421 44.It is fixed with limited block 45 close to the side of central block 41 in the lower end of extension rod 44, is equipped in the downside of support rod 42 for limit The limiting slot 422 that position block 45 is pierced by.

As shown in Figure 4, Figure 5, it is equipped with link slot 451 in the lower end of limited block 45, is equipped with connection in the lower end of limited block 45 Block 46, link block 46 are isosceles trapezoid and up big and down small, and the upper end of link block 46 is equipped with the recessing groove slid into for limited block 45 461, the bottom of the link slot 451 is fixed with spring 47, and the bottom of the other end and recessing groove 461 of spring 47 is fixed.Even The lower end for connecing block 46 is equipped with card slot 462, and link block 46 is divided to for symmetrical two fixture blocks 463 by card slot 462, in limiting slot 422 Both ends are fixed with the first locating piece 423 and the second locating piece 424, the first locating piece 423 and the second locating piece 424 it is opposite one Face is equipped with mounting hole 425, and opposite first locating piece 423 of the second locating piece 424 is closer to central block 41.

As shown in Figure 4, Figure 5, when needing to rotate handwheel 4, limited block 45 is slided to the direction far from central block 41, this When the fixture block 463 far from central block 41 inclined-plane can be contacted with far from 41 limited block 45 of central block so that link block 46 moves up pressure Contracting spring 47, when limited block 45 is abutted with limiting slot 422 far from one end of central block 41, the first locating piece 423 and card slot 462 alignment, spring 47 bounces so that so that limited block 45 can not slide in the first locating piece 423 insertion card slot 462 at this time, So that 44 position of extension rod is fixed, support rod 42 is most of at this time protrudes into shifting chute 421, and people can be rotated by support rod 42 Handwheel 4, the arm of force that support rod 42 increases rotation make rotation handwheel 4 more convenient.

As shown in Figure 4, Figure 5, when needing to transport gate valve, pressing link block 46 makes card slot 462 and the first locating piece 423 Then separation slides limited block 45 to the direction close to central block 41, when limited block 45 and limiting slot 422 are close to central block 41 Side when abutting, in the second locating piece 424 insertion card slot 462 44 position of extension rod is fixed, extension rod 44 is complete at this time In shifting chute 421, the volume of handwheel 4 not will increase, so that more square when people are to gate valve progress packed and transported Just.

As shown in Figure 4, Figure 5, it is equipped with auxiliary tank 426 in the opening of shifting chute 421, auxiliary tank 426 is embedded with arc Expanding bar 427, expanding bar 427 and extension rod 44 are fixed, and when manpower holds the promotion handwheel 4 of extension rod 44 with a firm grip, expanding bar 427 can It places to receive and be slid from extension rod 44 far from one end of central block 41, so that more convenient when people's promotion handwheel 4.

As shown in Figure 4, Figure 5, it is rotatably connected to positioning ring 5 on valve body 1, is threaded with positioning bolt on positioning ring 5 6, fixed in the circumferential side wall of positioning ring 5 there are four telescopic rods 7, and the remotely located one end of telescopic rod 7, which is fixed with, to be upwardly extended Connecting rod 8, be equipped with the locating slot 428 that is connected to 43 outer wall of swivel becket in the lower end of auxiliary tank 426, the upper end of connecting rod 8 is worn It crosses locating slot 428 and expanding bar 427 is fixed.

As shown in Figure 3, Figure 4, after gate valve is fully opened and closed, can screwed in place bolt 6 positioning ring 5 is not easy Rotation, positioning ring 5 are connect with expanding bar 427 by telescopic rod 7 and connecting rod 8, so that handwheel 4 is not easy to rotate, make to go smoothly When wheel 4 is accidentally touched, the position of flashboard 2 is not susceptible to change.It is flexible that it is able to drive telescopic rod 7 when extension rod 44 is mobile, makes Stop collar will not influence one end of extension rod 44, and telescopic rod 7 and positioning ring 5 be respectively positioned on handwheel 4 lower section and its shared by Area be respectively positioned under handwheel 4 and extension rod 44, to be not easy the packed and transported for influencing people to gate valve.

Specifically used process: when needing to rotate handwheel 4, limited block 45 is slided to the direction far from central block 41, is made Link block 46 connect with the first locating piece 423, at this time extension rod 44 stretching shifting chute 421, people can by extension rod 44 come Rotate handwheel 4 so that handwheel 4 rotate it is more laborsaving；It is not necessary that when rotating handwheel 4, limited block 45 is slided to the direction close to block Dynamic, so that link block 46 is connect with the second locating piece 424, extension rod 44 is fully located in shifting chute 421 at this time, will not influence Packaging and transport of the people to gate valve.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model Within the scope of.

Claims

1. a kind of lug knife gate valve, including valve body (1), the valve body (1) is interior to be equipped with flashboard (2), and the upper end of the flashboard (2) is solid Surely have valve rod (3), the upper end of the valve body (1) is rotatably connected to handwheel (4), and the handwheel (4) connects with valve rod (3) screw thread It connects, it is characterised in that: the handwheel (4) includes the central block (41) with valve body (1) rotation connection, on the central block (41) It being furnished with multiple support rods (42), the outer end of the support rod (42) is equipped with the swivel becket (43) fixed with each support rod (42), The outer wall of the swivel becket (43) is equipped with multiple shifting chutes (421) for corresponding and being connected to each support rod (42), institute Stating sliding in shifting chute (421) and being located by connecting has extension rod (44).

2. a kind of lug knife gate valve according to claim 1, it is characterised in that: the lower end of the extension rod (44) is in The side of heart block (41) is fixed with limited block (45), and the downside of the support rod (42) is equipped with the limit being pierced by for limited block (45) Slot (422), the limited block (45) are equipped with link block (46), and the both ends of the limiting slot (422) are fixed with the first locating piece (423) and the second locating piece (424), the second locating piece (424) is with respect to the first locating piece (423) closer to central block (41), institute Stating link block (46) can be detachably connected with the first locating piece (423) and the second locating piece (424), when link block (46) and first When locating piece (423) connects, extension rod (44) protrudes into shifting chute (421), when link block (46) is connect with the second locating piece (424) When, extension rod (44) is fully located in shifting chute (421).

3. a kind of lug knife gate valve according to claim 2, it is characterised in that: the lower end of the limited block (45), which is equipped with, to be connected Access slot (451), the link block (46) are isosceles trapezoid and up big and down small, and the upper end of the link block (46) is equipped with for limit The recessing groove (461) that block (45) slides into, the bottom of the link slot (451) is fixed with spring (47), the spring (47) it is another The bottom of one end and recessing groove (461) is fixed, and the lower end of the link block (46) is equipped with card slot (462), and the card slot (462) will Link block (46) is divided into symmetrical two fixture blocks (463), and first locating piece (423) and second limit opposite one side and be equipped with Mounting hole (425), when limited block (45) is abutted with the both ends of limiting slot (422), card slot (462) position is respectively at first Locating piece (423) and the second locating piece (424) are corresponding.

4. a kind of lug knife gate valve according to claim 3, it is characterised in that: the opening of the shifting chute (421) is set Have auxiliary tank (426), the auxiliary tank (426) is embedded with the expanding bar (427) of arc, the expanding bar (427) and extension rod (44) fixed.

5. a kind of lug knife gate valve according to claim 4, it is characterised in that: it is fixed to be rotatably connected on the valve body (1) Position ring (5) is threaded with positioning bolt (6) on the positioning ring (5), and the positioning ring (5) passes through connection component and handwheel (4) it connects.

6. a kind of lug knife gate valve according to claim 5, it is characterised in that: the connection component includes being fixed on positioning Multiple telescopic rods (7) in ring (5) circumferential side wall, the remotely located one end of the telescopic rod (7) are fixed with the company upwardly extended Extension bar (8), the lower end of the auxiliary tank (426) are equipped with the locating slot (428) being connected to swivel becket (43) outer wall, connecting rod (8) To pass through locating slot (428) and expanding bar (427) fixed for upper end.