CN212959877U

CN212959877U - Valve for hydraulic engineering

Info

Publication number: CN212959877U
Application number: CN202120483064.7U
Authority: CN
Inventors: 张家明; 崔玲玲
Original assignee: Weifang University
Current assignee: Weifang University
Priority date: 2021-03-08
Filing date: 2021-03-08
Publication date: 2021-04-13
Anticipated expiration: 2031-03-08

Abstract

The utility model relates to a valve for hydraulic engineering, the inner chamber fixed mounting of valve body has the baffle, is equipped with the through-liquid hole on the baffle, and the lower extreme fixed mounting of valve rod has the stopper, rotates on the backup pad and installs the screwed pipe, and the upper end fixed mounting of valve rod has the screw rod with screwed pipe phase-match, and the coaxial fixed mounting of lower extreme of adjusting the pole has sun gear, rotates on the mounting panel and installs planetary gear, and the coaxial fixed mounting has the ring gear in the rotation cover, is equipped with in the cover body and is used for restricting the screwed pipe or rotates the locking mechanical; the utility model discloses an adjust locking mechanical system and rotate with the restriction rotation cover, drive the valve rod and reciprocate along the guiding hole when adjusting the pole rotation this moment to make the valve open or close, perhaps rotate with the restriction screwed pipe through adjusting locking mechanical system, can't drive the valve rod when adjusting the pole rotation this moment and reciprocate along the guiding hole, thereby prevent that the mistake from touching the regulation pole and leading to the valve to open or close.

Description

Valve for hydraulic engineering

Technical Field

The utility model relates to the technical field of valves, concretely relates to valve for hydraulic engineering.

Background

Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Water is a valuable resource essential to human production and life, but the naturally existing state of the water does not completely meet the needs of human beings, and only when water conservancy projects are built, water flow can be controlled, flood disasters are prevented, and water quantity is regulated and distributed to meet the needs of the people's life and production on water resources. In hydraulic equipment, a large amount of valves can be used, but the existing valve control handle is exposed outside and is easily scratched by the outside to cause the false opening and the false closing of the valve, and once the false opening problem occurs, a large amount of liquid can be leaked, so that the use requirement of people can not be met, and the problem is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a valve for hydraulic engineering is provided, can prevent that the valve from opening by mistake, mistake from closing to solve the problem among the prior art.

In order to solve the technical problem, the technical scheme of the utility model is that: a valve for water conservancy projects comprises a valve body, wherein a water inlet end and a water outlet end are arranged on the valve body, a partition plate is fixedly arranged in an inner cavity of the valve body, the water inlet end and the water outlet end are respectively positioned at two sides of the partition plate, a liquid through hole is formed in the partition plate, a guide hole extending vertically is formed in the top of the valve body, a valve rod is arranged in the guide hole in a vertically sliding mode, a plug used for sealing the liquid through hole is fixedly arranged at the lower end of the valve rod, and the plug is positioned above the partition plate; the valve comprises a valve body, a valve rod, a cover body and a support plate, wherein the top of the valve body is fixedly provided with the cover body with an opening at the lower end, the bottom of the cover body is sealed by the valve body, the cover body is internally and fixedly provided with the support plate, the support plate is rotatably provided with a vertically extending threaded pipe, and the upper end of the valve rod extends to the outer side of the valve body and is fixedly provided with a screw rod matched; the top of the cover body rotate install with the regulation pole of the coaxial setting of screwed pipe, the coaxial fixed mounting of lower extreme of adjusting the pole has and is located cover internal sun gear, the upper end fixed mounting of screwed pipe has the mounting panel, rotate on the mounting panel install with sun gear engaged with planetary gear, cover internal still rotate install rotate the cover, rotate in the cover coaxial fixed mounting have with planetary gear engaged with ring gear, cover internal being equipped with and being used for the restriction the screwed pipe or rotate cover pivoted locking mechanical system.

As a further improvement, the cross section of the valve rod is in a regular polygon shape, and the shape of the guide hole is matched with that of the valve rod.

As a further improvement, a sealing rubber ring is arranged in the guide hole.

As a further improvement, the upper end of the adjusting rod extends to the outer side of the cover body and is fixedly provided with a knob.

According to a preferable technical scheme, the locking mechanism comprises an annular plate coaxially and fixedly installed on the threaded pipe, a sliding groove extending along the radius of the threaded pipe is formed in the supporting plate, a sliding block is installed in the sliding groove in a sliding mode, a clamping plate is fixedly installed at the top of the sliding block and located between the rotating sleeve and the annular plate, a plurality of clamping grooves matched with the clamping plate are formed in the outer circumferential surface of the annular plate and the inner circumferential surface of the rotating sleeve at equal intervals around the axis respectively, and a linkage mechanism used for driving the sliding block to move is arranged in the sliding groove.

According to the preferable technical scheme, the linkage mechanism comprises a screw rod located in the sliding groove, the screw rod and the sliding groove extend in the same direction, the end portion of the screw rod is rotatably installed in the sliding groove through a polished rod, the sliding block is connected to the screw rod in a threaded mode, and the polished rod at one end of the screw rod extends to the outer side of the cover body and is fixedly provided with a knob.

According to the technical scheme, the partition plate is fixedly arranged in the inner cavity of the valve body, the partition plate is provided with the liquid through hole, the lower end of the valve rod is fixedly provided with the plug, the supporting plate is rotatably provided with the threaded pipe, the upper end of the valve rod is fixedly provided with the screw rod matched with the threaded pipe, the lower end of the adjusting rod is coaxially and fixedly provided with the sun gear, the mounting plate is rotatably provided with the planetary gear, the rotating sleeve is coaxially and fixedly provided with the gear ring, and the cover body is internally provided with the locking mechanism for limiting the rotation of the threaded pipe or the rotating sleeve; the utility model discloses an adjust locking mechanical system with the restriction rotation cover rotation, drive the valve rod and reciprocate along the guiding hole when adjusting the pole rotation this moment to make the valve open or close, or through adjusting locking mechanical system with the restriction screwed pipe rotation, can't drive the valve rod and reciprocate along the guiding hole when adjusting the pole rotation this moment, thereby prevent to miss and touch the regulation pole and lead to the valve to open or close, have the advantage that can prevent the unexpected leakage of liquid; the utility model discloses a forward rotation knob drives the lead screw corotation, thereby the cover rotation is rotated in the restriction that is located the draw-in groove of rotating the cover inner circle to the cardboard card income during lead screw corotation, or drives the lead screw reversal through the antiport knob, thereby the lead screw reversal drives the cardboard card to go into the restriction screwed pipe rotation in the draw-in groove that lies in the annular plate outside, has the advantage of being convenient for to adjust.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a cover body according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion I of FIG. 2;

fig. 4 is a schematic sectional view a-a in fig. 2.

In the figure: 1-a valve body; 2-water inlet end; 3-water outlet end; 4-a separator; 5-liquid through hole; 6-a guide hole; 7-a valve stem; 8-a plug; 9-a cover body; 10-a support plate; 11-a threaded pipe; 12-a screw; 13-adjusting the rod; 14-sun gear; 15-mounting a plate; 16-a planetary gear; 17-a rotating sleeve; 18-a gear ring; 19-sealing rubber ring; 20-rotating a handle; 21-an annular plate; 22-a chute; 23-a slide block; 24-cardboard; 25-a card slot; 26-a screw rod; 27-knob.

Detailed Description

As shown in fig. 1 to 4, a valve for hydraulic engineering comprises a valve body 1, wherein a water inlet end 2 and a water outlet end 3 are arranged on the valve body 1, a partition plate 4 is fixedly installed in an inner cavity of the valve body 1, the water inlet end 2 and the water outlet end 3 are respectively located on two sides of the partition plate 4, a liquid through hole 5 is formed in the partition plate 4, a vertically extending guide hole 6 is formed in the top of the valve body 1, a valve rod 7 is vertically slidably installed in the guide hole 6, a plug 8 for sealing the liquid through hole 5 is fixedly installed at the lower end of the valve rod 7, and the plug 8 is located above the partition plate 4; a cover body 9 with an opening at the lower end is fixedly installed at the top of the valve body 1, the bottom of the cover body 9 is sealed by the valve body 1, a support plate 10 is fixedly installed in the cover body 9, a vertically extending threaded pipe 11 is rotatably installed on the support plate 10, and the upper end of the valve rod 7 extends to the outer side of the valve body 1 and is fixedly provided with a screw rod 12 matched with the threaded pipe 11; the top of the cover body 9 rotate install with the regulation pole 13 of the 11 coaxial settings of screwed pipe, the coaxial fixed mounting of lower extreme of adjusting pole 13 has and is located sun gear 14 in the cover body 9, the upper end fixed mounting of screwed pipe 11 has mounting panel 15, rotate on mounting panel 15 install with sun gear 14 engaged with planetary gear 16 mutually, still rotate in the cover body 9 and install and rotate cover 17, rotate cover 17 in coaxial fixed mounting have with planetary gear 16 engaged with ring gear 18 mutually, be equipped with in the cover body 9 and be used for the restriction screwed pipe 11 or rotate cover 17 pivoted locking mechanical system.

When the valve is used, the locking mechanism is adjusted to limit the rotation of the rotating sleeve 17, so that the gear ring 18 cannot rotate, when the adjusting rod 13 is rotated, the adjusting rod 13 drives the planetary gear 16 to rotate through the sun gear 14, the planetary gear 16 interacts with the gear ring 18 during rotation to revolve around the sun gear 14, the planetary gear 16 drives the mounting plate 15 and the threaded pipe 11 to rotate during revolution around the sun gear 14, the threaded pipe 11 drives the valve rod 7 to move up and down along the guide hole 6 through the screw 12 during rotation, when the valve rod 7 moves up, the plug 8 is driven to be separated from the liquid through hole 5 to open the valve, or when the valve rod 7 moves down, the plug 8 is driven to enter the liquid through hole 5 to close the valve.

Or the locking mechanism is adjusted to limit the rotation of the threaded pipe 11, so that the planetary gear 16 cannot revolve around the sun gear 14, when the adjusting rod 13 is rotated, the adjusting rod 13 drives the planetary gear 16 to rotate through the sun gear 14, the planetary gear 16 drives the gear ring 18 to rotate during rotation, and therefore the adjusting rod 13 cannot be rotated to drive the threaded pipe 11 to rotate, the valve rod 7 cannot be driven to move up and down along the guide hole 6, and the valve is prevented from being opened or closed due to mistaken touch of the adjusting rod 13.

The cross section of the valve rod 7 is in a regular polygon shape, and the shape of the guide hole 6 is matched with that of the valve rod 7 and used for preventing the valve rod 7 from rotating in the guide hole 6.

And a sealing rubber ring 19 is arranged in the guide hole 6 and used for enhancing the sealing property between the valve rod 7 and the guide hole 6.

The upper end of the adjusting rod 13 extends to the outer side of the cover 9 and is fixedly provided with a knob 20 for conveniently rotating the adjusting rod 13.

The locking mechanism comprises an annular plate 21 coaxially and fixedly installed on the threaded pipe 11, a sliding groove 22 extending along the radius of the threaded pipe 11 is formed in the supporting plate 10, a sliding block 23 is installed in the sliding groove 22 in a sliding mode, a clamping plate 24 is fixedly installed at the top of the sliding block 23, the clamping plate 24 is located between the rotating sleeve 17 and the annular plate 21, a plurality of clamping grooves 25 matched with the clamping plate 24 are formed in the outer peripheral surface of the annular plate 21 and the inner peripheral surface of the rotating sleeve 17 at equal intervals around an axis respectively, and a linkage mechanism used for driving the sliding block 23 to move is arranged in the sliding groove 22.

The linkage mechanism comprises a screw rod 26 positioned in the sliding groove 22, the screw rod 26 and the sliding groove 22 extend in the same direction, the end part of the screw rod 26 is rotatably installed in the sliding groove 22 through a polished rod, the sliding block 23 is in threaded connection with the screw rod 26, and the polished rod at one end of the screw rod 26 extends to the outer side of the cover body 9 and is fixedly provided with a knob 27.

When the screw is used in detail, the screw rod 26 is driven to rotate forwards through the forward rotation knob 27, the slide block 23 is driven to move towards one end far away from the threaded pipe 11 along the slide groove 22 when the screw rod 26 rotates forwards, the slide block 23 drives the clamping plate 24 to be clamped into the clamping groove 25 positioned at the inner ring of the rotating sleeve 17 so as to limit the rotating sleeve 17 to rotate, and at the moment, the threaded pipe 11 can rotate freely; or the screw rod 26 is driven to rotate reversely by reversely rotating the knob 27, the slide block 23 is driven to move towards one end close to the threaded pipe 11 along the slide groove 22 when the screw rod 26 rotates reversely, the slide block 23 drives the clamping plate 24 to be clamped into the clamping groove 25 positioned on the outer side of the annular plate 21 so as to limit the rotation of the threaded pipe 11, and the rotating sleeve 17 and the gear ring 18 can rotate freely at the moment.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a valve for hydraulic engineering which characterized in that: the valve comprises a valve body, wherein a water inlet end and a water outlet end are arranged on the valve body, a partition plate is fixedly arranged in an inner cavity of the valve body, the water inlet end and the water outlet end are respectively positioned at two sides of the partition plate, a liquid through hole is formed in the partition plate, a vertically extending guide hole is formed in the top of the valve body, a valve rod is arranged in the guide hole in a vertically sliding mode, a plug used for sealing the liquid through hole is fixedly arranged at the lower end of the valve rod, and the plug is positioned above the partition plate; the valve comprises a valve body, a valve rod, a cover body and a support plate, wherein the top of the valve body is fixedly provided with the cover body with an opening at the lower end, the bottom of the cover body is sealed by the valve body, the cover body is internally and fixedly provided with the support plate, the support plate is rotatably provided with a vertically extending threaded pipe, and the upper end of the valve rod extends to the outer side of the valve body and is fixedly provided with a screw rod matched; the top of the cover body rotate install with the regulation pole of the coaxial setting of screwed pipe, the coaxial fixed mounting of lower extreme of adjusting the pole has and is located cover internal sun gear, the upper end fixed mounting of screwed pipe has the mounting panel, rotate on the mounting panel install with sun gear engaged with planetary gear, cover internal still rotate install rotate the cover, rotate in the cover coaxial fixed mounting have with planetary gear engaged with ring gear, cover internal being equipped with and being used for the restriction the screwed pipe or rotate cover pivoted locking mechanical system.

2. A valve for hydraulic engineering according to claim 1, wherein: the cross section of the valve rod is in a regular polygon shape, and the shape of the guide hole is matched with that of the valve rod.

3. A valve for hydraulic engineering according to claim 1, wherein: and a sealing rubber ring is arranged in the guide hole.

4. A valve for hydraulic engineering according to claim 1, wherein: the upper end of the adjusting rod extends to the outer side of the cover body and is fixedly provided with a knob.

5. A valve for hydraulic engineering according to claim 1, wherein: the locking mechanism comprises an annular plate which is coaxially and fixedly installed on the threaded pipe, a sliding groove which extends along the radius of the threaded pipe is formed in the supporting plate, a sliding block is installed in the sliding groove in a sliding mode, a clamping plate is fixedly installed at the top of the sliding block and located between the rotating sleeve and the annular plate, a plurality of clamping grooves matched with the clamping plate are formed in the outer peripheral surface of the annular plate and the inner peripheral surface of the rotating sleeve at uniform intervals around an axis respectively, and a linkage mechanism used for driving the sliding block to move is arranged in the sliding groove.

6. A valve for hydraulic engineering according to claim 5, wherein: the linkage mechanism comprises a screw rod positioned in the sliding groove, the screw rod and the sliding groove extend in the same direction, the end part of the screw rod is rotatably installed in the sliding groove through a polished rod, the sliding block is in threaded connection with the screw rod, and the polished rod at one end of the screw rod extends to the outer side of the cover body and is fixedly provided with a knob.