CN220792106U - Hidden rod gate valve structure - Google Patents
Hidden rod gate valve structure Download PDFInfo
- Publication number
- CN220792106U CN220792106U CN202322714553.0U CN202322714553U CN220792106U CN 220792106 U CN220792106 U CN 220792106U CN 202322714553 U CN202322714553 U CN 202322714553U CN 220792106 U CN220792106 U CN 220792106U
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- valve
- rod
- gate
- hidden
- connecting rod
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- 238000007789 sealing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- NNBFNNNWANBMTI-UHFFFAOYSA-M brilliant green Chemical compound OS([O-])(=O)=O.C1=CC(N(CC)CC)=CC=C1C(C=1C=CC=CC=1)=C1C=CC(=[N+](CC)CC)C=C1 NNBFNNNWANBMTI-UHFFFAOYSA-M 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Abstract
The utility model discloses a hidden rod gate valve structure, which relates to the technical field of valves and comprises a valve body, wherein a valve rod is rotationally connected to the valve body, the top end of the valve rod is detachably connected with a hand wheel, the top of the valve body is detachably connected with a valve cover, a sliding groove is formed in the valve body, a first gate plate and a second gate plate are oppositely or oppositely connected in the sliding groove in a sliding manner, a connecting rod is arranged at the top of the first gate plate, scale marks are arranged on the connecting rod, and a through hole for the connecting rod to penetrate is formed in the valve cover. This hidden rod gate valve structure slides towards the valve gap through first flashboard, makes the connecting rod pass the valve gap, and the scale mark on the connecting rod can the real-time switch state of showing hidden rod gate valve of high accuracy, and can finely tune the switching degree of hidden rod gate valve, makes things convenient for operating personnel to observe the behavior of valve, avoids the condition emergence of mistake operation damage valve, is fit for many people and operates, and the cost of manufacture is low.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a hidden rod gate valve structure.
Background
The gate valve is a gate plate of an opening and closing piece, the moving direction of the gate plate is perpendicular to the fluid direction, and the gate valve has the characteristics of small flow resistance, large applicable pressure and temperature range and the like, and is a common cut-off valve used for cutting off or connecting a medium in a pipeline. The gate valve is divided into a rising stem gate valve and a hidden stem gate valve, the hidden stem gate valve is called a rotating stem gate valve, a hidden stem valve stem nut is arranged on the gate plate, the hand wheel rotates to drive the valve stem to rotate, but the valve stem does not rise or fall, the gate plate is lifted through threads at the joint of the valve stem and the gate plate, generally, a trapezoid thread is arranged at the bottom end of the valve stem, and the rotating motion is changed into the linear motion, namely the operating torque is changed into the operating thrust through threads at the bottom end of the valve and a guide groove on the gate plate. The valve rod can only rotate, the flashboard can only move up and down, and the flashboard can move up and down once the valve rod rotates due to threaded connection between the valve rod and the flashboard. When the valve is opened, when the lifting height of the flashboard is equal to 1 of the valve diameter: at 1 times, the passage of fluid is completely clear, but this position is not monitored during operation.
For example, the Chinese patent with publication number of CN212839469U, named as a novel hidden rod gate valve structure, comprises a valve body, a valve cover, a gland and a valve rod; the lower part of the valve body is provided with a circulation cavity, and two ends of the circulation cavity are provided with an inlet and an outlet; the upper part of the valve body is provided with an installation cavity, and the top of the installation cavity is provided with an installation hole; the axis of the circulation cavity is perpendicular to the axis of the installation cavity; the valve cover is provided with a through hole, the valve cover is arranged on the mounting hole, and the axis of the mounting hole is coincident with the axis of the through hole; the valve rod is axially arranged in the mounting cavity, and an opening and closing piece for separating the circulation cavity is arranged at the bottom of the valve rod; a top portion extending from the valve cover; the gland is sleeved on the valve rod and is arranged at the top of the valve cover.
The novel hidden rod gate valve structure in the above patent is practical and convenient, but has the defect that the height of the hidden rod gate valve is always kept unchanged, and the lifting valve rod only rotates without moving up and down, so that the opening and closing of the valve and the opening degree cannot be displayed, the difficulty is brought to operators in knowing the working condition of the valve in time, and even the situation that the valve is damaged by misoperation occurs.
Disclosure of Invention
The present utility model is directed to a hidden rod gate valve structure to solve the above-mentioned shortcomings in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions: the hidden rod gate valve structure is characterized by comprising a valve body, wherein a valve rod is connected to the valve body in a rotating manner, a hand wheel is detachably connected to the top end of the valve rod, a valve cover is detachably connected to the top of the valve body, a sliding groove is formed in the valve body, a first gate plate and a second gate plate are oppositely or slidingly connected to each other in the sliding groove, a connecting rod is arranged at the top of the first gate plate, scale marks are arranged on the connecting rod, and a through hole for the connecting rod to penetrate through is formed in the valve cover.
Further, the valve rod is provided with a first threaded section and a second threaded section with opposite rotation directions, threaded holes are formed in the first flashboard and the second flashboard, the first flashboard is in threaded connection with the first threaded section, and the second flashboard is in threaded connection with the second threaded section.
Further, the marked lines of the scale marks are bright.
Further, a filter screen is sleeved on the valve rod, grooves are formed in the first flashboard and the second flashboard, a plurality of springs are arranged between the top of the filter screen and the inner wall of the first flashboard, and a plurality of springs are arranged between the bottom of the filter screen and the inner wall of the second flashboard.
Further, a sealing gasket is arranged between the valve body and the valve cover.
Further, the hand wheel is fixedly connected to the top of the valve rod through a gasket and a nut.
Further, anti-skid patterns are formed on the hand wheel.
Further, the valve cover is fixedly connected to the top of the valve body through a plurality of bolts and a plurality of nuts.
Compared with the prior art, the utility model has the beneficial effects that: this hidden rod gate valve structure removes towards the valve gap through first flashboard, makes the connecting rod pass the valve gap, and the scale mark on the connecting rod can the real-time switch state of showing hidden rod gate valve of high accuracy, and can finely tune the switch degree of hidden rod gate valve, makes things convenient for operating personnel to observe the behavior of valve, is fit for many people and operates, and the cost of manufacture is low.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a cross-sectional view of an overall structure provided by an embodiment of the present utility model;
fig. 2 is a schematic diagram of the whole structure of a gate valve according to an embodiment of the present utility model when the gate valve is closed;
fig. 3 is a schematic diagram of the overall structure of the gate valve according to the embodiment of the present utility model when the gate valve is opened;
fig. 4 is a schematic view of a connecting rod according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a valve body; 2. a chute; 3. a valve stem; 4. a first shutter; 5. a second shutter; 6. a connecting rod; 7. scale marks; 8. a valve cover; 9. a sealing gasket; 10. a hand wheel; 11. a gasket; 12. a nut; 13. a groove; 14. a spring; 15. and (5) a filter screen.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the hidden rod gate valve structure is characterized by comprising a valve body 1, wherein a valve rod 3 is rotationally connected to the valve body 1, a hand wheel 10 is detachably connected to the top end of the valve rod 3, a valve cover 8 is detachably connected to the top of the valve body 1, a sliding groove 2 is formed in the valve body 1, a first gate plate 4 and a second gate plate 5 are oppositely or slidingly connected in the sliding groove 2, a connecting rod 6 is arranged at the top of the first gate plate 4, a scale mark 7 is arranged on the connecting rod 6, a through hole for the connecting rod 6 to penetrate is formed in the valve cover 8, specifically, the first gate plate 4 moves towards the valve cover 8, the connecting rod 6 penetrates through the valve cover 8, the scale mark 7 on the connecting rod 6 can display the switching state of the hidden rod gate valve in real time with high precision, and the switching degree of the hidden rod gate valve can be finely adjusted, so that operators can observe the working condition of the valve conveniently, and the hidden rod gate valve structure is suitable for multiple operators.
As the preferable technical scheme, be equipped with two sections on the valve rod 3 and revolve first screw thread section and the second screw thread section that the direction is opposite, threaded hole has all been seted up on first flashboard 4 and the second flashboard 5, first flashboard 4 and first screw thread section threaded connection, second flashboard 5 and second screw thread section threaded connection, specifically, when opening the valve, rotate hand wheel 10, first flashboard 4 and second flashboard 5 simultaneous relative movement, until satisfying the flow that needs, make the speed of opening or closing the valve faster, improve work efficiency.
As the preferable technical scheme, the marked lines of the scale marks 7 are bright, and specifically, the bright colors can be red, huang Liangcheng, emerald green, golden yellow and the like, and the scales on the connecting rod 6 can be clearly seen by using the bright scale marks 7 for striking reminding, so that the operators can observe the working condition of the valve conveniently, and the working efficiency is improved.
As the preferred technical scheme, cup joint a filter screen 15 on the valve rod 3, a recess 13 has all been seted up in first flashboard 4 and the second flashboard 5, be equipped with a plurality of springs 14 between filter screen 15 top and the first flashboard 4 inner wall, be equipped with a plurality of springs 14 between filter screen 15 bottom and the second flashboard 5 inner wall, concretely, a through-hole has been seted up on the filter screen 15, and the through-hole sets up with the screw hole coaxial on first flashboard 4 and the second flashboard 5, valve rod 3 runs through filter screen 15 through the through-hole, when first flashboard 4 and second flashboard 5 are in the closed condition, filter screen 15 installs in recess 13, when the blind rod floodgate valve was opened, first flashboard 4 and second flashboard 5 relative movement, the pulling force of spring 14 different directions is born at filter screen 15 both ends, thereby make filter screen 15 be in on the valve body 1 passageway, in order to filter the medium of circulation.
As a preferred technical scheme, a sealing gasket 9 is arranged between the valve body 1 and the valve cover 8, so that the sealing performance of the valve is improved to a certain extent.
As a preferred technical scheme, the hand wheel 10 is fixedly connected to the top of the valve rod 3 through the washer 11 and the nut 12, so that the hand wheel 10 is convenient to detach for maintenance and transportation.
As the preferable technical scheme, the hand wheel 10 is provided with anti-skid patterns, and the arrangement of the anti-skid patterns is more convenient for operators to rotate the hand wheel 10, so that the switching degree of the hidden rod gate valve is finely adjusted.
As the preferable technical scheme, valve gap 8 passes through a plurality of bolts and a plurality of nut 12 fixed connection at the top of valve body 1, and specifically, valve gap 8 and valve body 1 top all have seted up a plurality of screw holes, and each threaded hole equal threaded connection has a bolt, and the both ends of each bolt all spiro union has a nut 12, conveniently dismantles valve gap 8, overhauls whole device.
Working principle: this hidden rod gate valve structure makes first flashboard 4 and second flashboard 5 relative slip through rotating hand wheel 10, drives connecting rod 6 and passes valve gap 8, and scale mark 7 on the connecting rod 6 can the real-time switch state of showing hidden rod gate valve of high accuracy, and can finely tune the switch degree of hidden rod gate valve, makes things convenient for operating personnel to observe the behavior of valve, is fit for many people to operate, and the pulling force of spring 14 different directions is born at the filter screen 15 both ends in recess 13 to make filter screen 15 be in on the valve body 1 passageway, with the medium of filtering the circulation.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (8)
1. The utility model provides a hidden rod gate valve structure, its characterized in that, including valve body (1), valve body (1) internal rotation is connected with a valve rod (3), a hand wheel (10) is connected to valve rod (3) top detachable, a valve gap (8) is connected to valve body (1) top detachable, a spout (2) has been seted up in valve body (1), relative or opposite sliding connection have first flashboard (4) and second flashboard (5) in spout (2), the top of first flashboard (4) is equipped with a connecting rod (6), be equipped with scale mark (7) on connecting rod (6), offer the through-hole that supplies connecting rod (6) to run through on valve gap (8).
2. The hidden rod gate valve structure according to claim 1, wherein the valve rod (3) is provided with a first threaded section and a second threaded section with opposite rotation directions, threaded holes are formed in the first gate plate (4) and the second gate plate (5), the first gate plate (4) is in threaded connection with the first threaded section, and the second gate plate (5) is in threaded connection with the second threaded section.
3. A hidden rod gate valve structure according to claim 1, characterized in that the graduation marks of the graduation marks (7) are bright.
4. The hidden rod gate valve structure according to claim 1, wherein a filter screen (15) is sleeved on the valve rod (3), a groove (13) is formed in each of the first gate plate (4) and the second gate plate (5), a plurality of springs (14) are arranged between the top of the filter screen (15) and the inner wall of the first gate plate (4), and a plurality of springs (14) are arranged between the bottom of the filter screen (15) and the inner wall of the second gate plate (5).
5. A blind rod gate valve structure according to claim 1, characterized in that a sealing gasket (9) is arranged between the valve body (1) and the valve cover (8).
6. A blind rod gate valve structure according to claim 1, characterized in that the hand wheel (10) is fixedly connected to the top of the valve rod (3) by means of a washer (11) and a nut (12).
7. The hidden rod gate valve structure according to claim 1, wherein the hand wheel (10) is provided with anti-skid patterns.
8. A blind rod gate valve structure according to claim 1, characterized in that the valve cover (8) is fixedly connected to the top of the valve body (1) by means of a plurality of bolts and a plurality of nuts (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714553.0U CN220792106U (en) | 2023-10-10 | 2023-10-10 | Hidden rod gate valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322714553.0U CN220792106U (en) | 2023-10-10 | 2023-10-10 | Hidden rod gate valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220792106U true CN220792106U (en) | 2024-04-16 |
Family
ID=90637057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322714553.0U Active CN220792106U (en) | 2023-10-10 | 2023-10-10 | Hidden rod gate valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220792106U (en) |
-
2023
- 2023-10-10 CN CN202322714553.0U patent/CN220792106U/en active Active
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