CN214331656U

CN214331656U - Valve for large pipeline

Info

Publication number: CN214331656U
Application number: CN202120571103.9U
Authority: CN
Inventors: 汪爱保; 汪军平; 李艳军
Original assignee: Anhui Tongling Keli Valve Co ltd
Current assignee: Anhui Tongling Keli Valve Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-10-01
Anticipated expiration: 2031-03-22

Abstract

The utility model relates to the technical field of valves, and a valve for large-scale pipeline is disclosed, the water control valve comprises a valve body, the top fixedly connected with valve gap of valve body, the top fixedly connected with casing of valve gap, the top fixedly connected with fixed block of casing, the top of fixed block is provided with the movable block. This a valve for large pipeline, through the fixed block, the movable block, the bull stick, the hand wheel, the first transmission gear of valve rod, the transmission shaft, second transmission gear, first pinion, first gear wheel, mutually support between second gear wheel and the second pinion, thereby can carry out first transmission and second drive mode through the gear of difference, when first pinion and second gear wheel mesh, comparatively save time, for one-level drive mode, then move the movable block downwards, and drive the same downstream of bull stick, and then make first gear wheel and second pinion mesh, then it is comparatively laborsaving, for second grade drive mode.

Description

Valve for large pipeline

Technical Field

The utility model relates to the technical field of valves, specifically be a valve for large-scale pipeline.

Background

The opening and closing of the existing large pipeline valve are generally divided into two transmission modes, the first-stage transmission mode saves time and labor, the second-stage transmission mode saves time and labor, the using effect of the large pipeline valve is poor, the first-stage power and the second-stage power can be controlled through controlling different gear transmissions, the using effect of the valve is further improved, and therefore the valve for the large pipeline is required to be provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a valve for large pipeline possesses and is convenient for carry out the transmission to different gears to can control flap's one-level and second grade transmission, improve the result of use's of valve advantage, solved valve one-level transmission mode and saved time and not laborsaving, and the laborsaving not time-saving of second grade transmission mode makes the relatively poor problem of the result of use of large pipeline valve door.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a valve for large-scale pipeline comprises a valve body, a valve cover is fixedly connected with the top of the valve body, the top of the valve cover is fixedly connected with a shell, the top of the shell is fixedly connected with a fixed block, the top of the fixed block is provided with a movable block, the inside of the movable block is provided with a circular hole which penetrates up and down, the inner part of the round hole is connected with a rotating rod through threads, the top end of the rotating rod is fixedly connected with a hand wheel, the inner part of the valve cover is rotatably connected with a valve rod, the top end of the valve rod is fixedly connected with a first transmission gear, the interior of the shell is movably connected with a transmission shaft, a second transmission gear is fixedly connected to the side surface of the transmission shaft, a first pinion is fixedly connected to the side surface of the transmission shaft, the side surface of the transmission shaft is fixedly connected with a first large gear, the side surface of the rotating rod is fixedly connected with a second large gear, and the side surface of the rotating rod is fixedly connected with a second small gear.

Preferably, the top end of the valve rod is fixedly connected with a guide post, the bottom end of the rotating rod is provided with a guide hole, and the guide post is movably inserted in the guide hole.

Preferably, the inside of fixed block is seted up the movable hole that runs through from top to bottom, the top of fixed block is seted up flutedly, the bottom fixedly connected with activity post of movable block, the jack has all been seted up to the left and right sides of fixed block, the inside activity of jack is pegged graft and is had the gag lever post, the one end fixedly connected with pull ring of gag lever post, one side fixedly connected with spring that the pull ring is close to the fixed block, the spacing hole that runs through about the side surface of activity post is seted up.

Preferably, the rotating rod is movably inserted in the movable hole, the movable column is movably connected with the groove, the jack is communicated with the groove, the limiting rod is movably inserted in the groove, and the bottom end of the movable column is in lap joint with the top of the limiting rod.

Preferably, one end of the spring, which is far away from the pull ring, is fixedly connected with the side surface of the fixing block, the spring is movably sleeved with the limiting rod, and the limiting rod is matched with the limiting hole.

Preferably, the bull stick runs through the top of casing to extend to the inside of casing, the inside swing joint of bull stick and casing, the upper and lower both ends of transmission shaft rotate with the upper and lower both sides inner wall of casing respectively and are connected, first transmission gear is located the inside of casing, the transmission shaft is located the right side of first transmission gear.

Preferably, the second drive gear is located the below of first gear wheel, first pinion is located the below of first gear wheel, the second gear wheel is located the top of first drive gear, the second gear wheel is located the below of second pinion, first drive gear and second drive gear intermeshing, first pinion and second gear wheel intermeshing, first gear wheel and second pinion mutual adaptation.

Compared with the prior art, the utility model provides a valve for large-scale pipeline possesses following beneficial effect:

1. this a valve for large pipeline, through the fixed block, the movable block, the bull stick, the hand wheel, the first transmission gear of valve rod, the transmission shaft, second transmission gear, first pinion, first gear wheel, mutually support between second gear wheel and the second pinion, thereby can carry out first transmission and second drive mode through the gear of difference, when first pinion and second gear wheel mesh, comparatively save time, for one-level drive mode, then move the movable block downwards, and drive the same downstream of bull stick, and then make first gear wheel and second pinion mesh, then it is comparatively laborsaving, for second grade drive mode.

2. This a valve for large-scale pipeline through mutually supporting between recess, activity post, jack, gag lever post, pull ring, spring and the spacing hole to under the effect of gag lever post, can carry on spacingly and fixed to the activity post, and then can prevent that the movable block from removing, after the pulling pull ring, drive the gag lever post and remove in the inside of jack, and then can reciprocate the movable block.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

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

fig. 4 is a sectional view of the local structure of the rotating rod of the present invention.

Wherein: 1. a valve body; 2. a valve cover; 3. a housing; 4. a fixed block; 5. a movable block; 6. a circular hole; 7. a rotating rod; 8. a hand wheel; 9. a valve stem; 10. a first drive gear; 11. a drive shaft; 12. a second transmission gear; 13. a first pinion gear; 14. a first bull gear; 15. a second bull gear; 16. a second pinion gear; 17. a guide post; 18. a guide hole; 19. a movable hole; 20. a groove; 21. a movable post; 22. a jack; 23. a limiting rod; 24. a pull ring; 25. a spring; 26. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-4, a valve for large-scale pipeline, including a valve body 1, a top fixedly connected with valve bonnet 2 of the valve body 1, a top fixedly connected with casing 3 of the valve bonnet 2, a top fixedly connected with fixed block 4 of the casing 3, a top of the fixed block 4 is provided with a movable block 5, a round hole 6 running through from top to bottom is provided inside the movable block 5, an internal thread of the round hole 6 is connected with a rotating rod 7, the rotating rod 7 is connected with the internal rotation of the round hole 6 through a bearing, and a side surface of the rotating rod 7 is fixedly connected with an inner side wall of the bearing, and an inner side wall of the round hole 6 is fixedly connected with a side surface of the bearing, a top fixedly connected hand wheel 8 of the rotating rod 7, the rotating rod 7 is convenient to rotate through the hand wheel 8, the internal rotation of the valve bonnet 2 is connected with a valve rod 9, and a top end of the valve rod 9 is located inside the casing 3.

The top end of the valve rod 9 is fixedly connected with a first transmission gear 10, the interior of the shell 3 is movably connected with a transmission shaft 11, the rotating rod 7 penetrates through the top of the shell 3 and extends into the shell 3, the rotating rod 7 is movably connected with the interior of the shell 3, the upper end and the lower end of the transmission shaft 11 are respectively rotatably connected with the inner walls of the upper side and the lower side of the shell 3, the first transmission gear 10 is positioned in the shell 3, the transmission shaft 11 is positioned at the right side of the first transmission gear 10, the side surface of the transmission shaft 11 is fixedly connected with a second transmission gear 12, the side surface of the transmission shaft 11 is fixedly connected with a first pinion 13, the side surface of the transmission shaft 11 is fixedly connected with a first bull gear 14, the diameter of the first bull gear 14 is larger than that of the first pinion 13, the side surface of the rotating rod 7 is fixedly connected with a second bull gear 15, the side surface of the rotating rod 7 is fixedly connected with a second pinion 16, and the diameter of the second bull gear 15 is larger than that of the second pinion 16, the second transmission gear 12 is positioned below the first gearwheel 14, the first pinion 13 is positioned below the first gearwheel 14, the second gearwheel 15 is positioned above the first transmission gear 10, the second gearwheel 15 is positioned below the second pinion 16, the first transmission gear 10 is meshed with the second transmission gear 12, the first pinion 13 is meshed with the second gearwheel 15, the first gearwheel 14 is matched with the second pinion 16, so that the rotating rod 7 can be driven to rotate by rotating the hand wheel 8, the second gearwheel 15 can be driven to rotate, the first pinion 13 can be driven to rotate, the transmission shaft 11 and the second transmission gear 12 can be driven to rotate simultaneously, the first transmission gear 10 and the valve rod 9 can be driven to rotate together, the top end of the valve rod 9 is fixedly connected with a guide post 17, the bottom end of the rotating rod 7 is provided with a guide hole 18, the guide post 17 is movably inserted in the guide hole 18, the bottom end of the rotating rod 7 is prevented from deviating, and a movable hole 19 which penetrates through the fixing block 4 up and down is formed in the fixing block.

The top of the fixed block 4 is provided with two grooves 20, the two grooves 20 are respectively positioned at the left side and the right side of the movable hole 19, the bottom of the movable block 5 is fixedly connected with two movable columns 21, the number of the movable columns 21 is two, the left side and the right side of the fixed block 4 are both provided with jacks 22, the inner part of each jack 22 is movably inserted with a limiting rod 23, one end of each limiting rod 23 far away from the pull ring 24 is movably connected with the inner side wall of the corresponding groove 20, so that the position of each limiting rod 23 can be prevented from inclining, one end of each limiting rod 23 is fixedly connected with the pull ring 24, the limiting rods 23 can be conveniently moved through the pull rings 24, one side of each pull ring 24 close to the fixed block 4 is fixedly connected with a spring 25, the side surface of each movable column 21 is provided with a limiting hole 26 which penetrates left and right, the pull rings 24 are pulled to both sides, so that one end of each limiting rod 23 far away from the pull ring 24 is moved to the inner part of each jack 22 from the corresponding groove 20, then the movable column 21 is moved downwards, when the bottom of the movable column 21 is overlapped with the inner bottom wall of the groove 20, the position of a limiting hole 26 corresponds to that of the inserting hole 22, the second pinion 16 is meshed with the first gearwheel 14, the second gearwheel 15 is separated from the first pinion 13, the rotating rod 7 is movably inserted into the movable hole 19, the movable column 21 is movably connected with the inside of the groove 20 and the movable column 21 cannot move out of the inside of the groove 20, the inserting hole 22 is communicated with the inside of the groove 20, the limiting rod 23 is movably inserted into the inside of the groove 20, the bottom end of the movable column 21 is overlapped with the top of the limiting rod 23, one end, far away from the pull ring 24, of the spring 25 is fixedly connected with the side surface of the fixed block 4, the spring 25 is movably sleeved with the limiting rod 23, and the limiting rod 23 is matched with the limiting hole 26.

When the device is used, the hand wheel 8 is rotated firstly, the rotating rod 7 is driven to rotate together, the rotating rod 7 rotates in the round hole 6, the second large gear 15 is meshed with the first small gear 13, the second small gear 16 is separated from the first large gear 14, and the rotating rod 7 can drive the first small gear 13 to rotate when driving the second large gear 15 and the second small gear 16 to rotate, the transmission shaft 11 rotates, the second transmission gear 12 can be driven to rotate, the first transmission gear 10 is driven to rotate at the same time, and the device is opened and closed; when the pull ring 24 is pulled towards two sides, the limiting rod 23 is driven to move in the groove 20 and the jack 22, one end of the limiting rod 23, which is far away from the pull ring 24, moves from the inside of the groove 20 to the inside of the jack 22, so that the movable column 21 can move downwards in the groove 20, then the movable block 5 moves downwards, and drives the rotating rod 7 and the movable column 21 to move downwards together, when the bottom end of the movable column 21 is overlapped with the inner bottom wall of the groove 20, the second small gear 16 is meshed with the first large gear 14, the jack 22 corresponds to the position of the limiting hole 26, then the pull ring 24 is released, the limiting rod 23 is driven to move towards the groove 20 under the action of the spring 25, one end of the limiting rod 23, which is far away from the pull ring 24, is inserted into the inner part of the limiting hole 26, so that the movable column 21 can be fixed in the groove 20, and the movable block 5 is fixed at the same time, then rotate hand wheel 8, drive bull stick 7 and rotate, and then can drive first gear wheel 14 through second pinion 16 and rotate, and make transmission shaft 11 take place to rotate, alright rotate with driving second drive gear 12, drive first drive gear 10 simultaneously and rotate, realize opening and closing the device, this rotation mode is comparatively laborsaving not save time, is the secondary drive mode for the device can realize a second grade power transmission.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A valve for large pipes, comprising a valve body (1), characterized in that: the valve comprises a valve body (1), a valve cover (2) fixedly connected to the top of the valve body (1), a shell (3) fixedly connected to the top of the valve cover (2), a fixed block (4) fixedly connected to the top of the shell (3), a movable block (5) arranged at the top of the fixed block (4), a round hole (6) penetrating through the movable block (5) from top to bottom, a rotating rod (7) connected to the inner rotation of the round hole (6), a hand wheel (8) fixedly connected to the top end of the rotating rod (7), a valve rod (9) connected to the inner rotation of the valve cover (2), a first transmission gear (10) fixedly connected to the top end of the valve rod (9), a transmission shaft (11) movably connected to the inner portion of the shell (3), a second transmission gear (12) fixedly connected to the side surface of the transmission shaft (11), and a first pinion (13) fixedly connected to the side surface of the transmission shaft (11), the side surface of the transmission shaft (11) is fixedly connected with a first large gear (14), the side surface of the rotating rod (7) is fixedly connected with a second large gear (15), and the side surface of the rotating rod (7) is fixedly connected with a second small gear (16).

2. A valve for large pipes according to claim 1, wherein: the top end of the valve rod (9) is fixedly connected with a guide post (17), the bottom end of the rotating rod (7) is provided with a guide hole (18), and the guide post (17) is movably inserted in the guide hole (18).

3. A valve for large pipes according to claim 1, wherein: the utility model discloses a spacing hole (26) that run through about the inside of fixed block (4) is seted up, the top of fixed block (4) is seted up flutedly (20), the bottom fixedly connected with activity post (21) of movable block (5), jack (22) have all been seted up to the left and right sides of fixed block (4), the inside activity of jack (22) is pegged graft and is had gag lever post (23), one end fixedly connected with pull ring (24) of gag lever post (23), one side fixedly connected with spring (25) that pull ring (24) are close to fixed block (4), spacing hole (26) that run through about the side surface of activity post (21) is seted up.

4. A valve for large pipes according to claim 3, wherein: the utility model discloses a stopper, including bull stick (7), activity post (21) and recess (20), the inside swing joint of bull stick (7) and activity hole (19), the inside of jack (22) and recess (20) communicates each other, the inside activity of gag lever post (23) and recess (20) is pegged graft, the bottom of activity post (21) and the top overlap joint of gag lever post (23).

5. A valve for large pipes according to claim 3, wherein: one end, far away from the pull ring (24), of the spring (25) is fixedly connected with the side surface of the fixing block (4), the spring (25) is movably sleeved with the limiting rod (23), and the limiting rod (23) is matched with the limiting hole (26) mutually.

6. A valve for large pipes according to claim 1, wherein: the utility model discloses a power transmission device, including casing (3), bull stick (7), the inside of casing (3) is run through in bull stick (7) to extend to the inside of casing (3), the inside swing joint of bull stick (7) and casing (3), the upper and lower both ends of transmission shaft (11) rotate with the upper and lower both sides inner wall of casing (3) respectively and are connected, first transmission gear (10) are located the inside of casing (3), transmission shaft (11) are located the right side of first transmission gear (10).

7. A valve for large pipes according to claim 1, wherein: second drive gear (12) are located the below of first gear wheel (14), first pinion (13) are located the below of first gear wheel (14), second gear wheel (15) are located the top of first drive gear (10), second pinion (15) are located the below of second pinion (16), first drive gear (10) and second drive gear (12) intermeshing, first pinion (13) and second gear wheel (15) intermeshing, first gear wheel (14) and second pinion (16) mutual adaptation.