CN111188929B - Gate valve with check function - Google Patents
Gate valve with check function Download PDFInfo
- Publication number
- CN111188929B CN111188929B CN202010126685.XA CN202010126685A CN111188929B CN 111188929 B CN111188929 B CN 111188929B CN 202010126685 A CN202010126685 A CN 202010126685A CN 111188929 B CN111188929 B CN 111188929B
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- Prior art keywords
- valve
- valve body
- check valve
- check
- connecting pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/06—Check valves with guided rigid valve members with guided stems
- F16K15/063—Check valves with guided rigid valve members with guided stems the valve being loaded by a spring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention provides a gate valve with a check valve, which has simple structure and low production cost and can freely control whether the check valve acts or not, and comprises a valve body, wherein a water inlet channel and a water outlet channel are arranged on the valve body, a valve plate used for controlling fluid is arranged between the water inlet channel and the water outlet channel, a valve rod used for controlling the lifting of the valve plate is arranged above the valve plate and positioned in the valve body, the check valve is arranged in the water inlet channel or the water outlet channel on the valve body, the check valve comprises a connecting pipe and a check valve plate, the connecting pipe can be arranged on the valve body in a left-right sliding manner, the check valve plate can be movably arranged on the valve body, a valve port is formed on the left side of the connecting pipe, the check valve plate is arranged on the left side of the connecting pipe and can seal the valve port, a limiting mechanism used for limiting the rightward movement range of the check valve plate is arranged between the guide valve plate and the valve body, and the valve body is provided with an adjusting mechanism for controlling the position of the connecting pipe.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a gate valve with a check valve.
Background
In present pipeline design, need set up the valve in order to control the break-make of fluid in the pipeline, because special demands also need set up the check valve in the pipeline, under this kind of condition, need set up a valve body and a check valve of control fluid break-make in the pipeline simultaneously usually, the installation of a plurality of valve bodies leads to too much connecting piece, has also increased the risk of leaking, has also increased the step of operating personnel operation, increases the cost of labor, reduces the efficiency of construction. Therefore, the check valve and the gate valve are integrated by the personnel in the industry, and the integrated design reduces the volume, reduces the risk of water leakage and improves the installation efficiency.
However, the integrated design mode can lead to the installation of a pipeline with a check gate valve, if the water utilization equipment is modified or replaced, the check function is not needed any more, the original integrated check gate valve with the check function needs to be replaced, the valve body without the check function is installed, the cost of modified hardware is increased, the valve body with the same length as the original integrated check gate valve with the check function needs to be searched, manual replacement needs to be consumed, and the modification period is delayed.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides a gate valve with a check valve, which has a simple structure and a low production cost, and can freely control whether the check valve acts.
In order to realize the technical problem, the solution scheme adopted by the invention is as follows: a gate valve with a check valve, which comprises a valve body, the valve body is provided with a water inlet channel and a water outlet channel, a valve plate is arranged between the water inlet channel and the water outlet channel and used for controlling fluid, a valve rod for controlling the lifting of the valve plate is arranged above the valve plate and in the valve body, a check valve is arranged in the water inlet channel or the water outlet channel on the valve body, the check valve comprises a connecting pipe and a check valve plate, the connecting pipe can be arranged on the valve body in a left-right sliding manner, the check valve plate is movably arranged on the valve body, a valve port is formed on the left side of the connecting pipe, the check valve plate is arranged on the left side of the connecting pipe and can seal the valve port, be provided with the stop gear who restricts check valve plate scope of activity to the right between check valve plate and the valve body, be provided with the guiding mechanism who is used for controlling the connecting pipe position on the valve body.
The further improvement is that: the adjusting mechanism comprises a first rotating rod movably arranged on the valve body, first worm gear teeth are fixedly arranged on the first rotating rod, a worm gear row meshed with the first worm gear teeth in a matched mode is arranged on the connecting pipe, and a driving mechanism used for controlling the first rotating rod to rotate is arranged on the valve body.
The further improvement is that: the actuating mechanism includes the rotatable second dwang of wearing to locate the valve body, one section fixed second worm gear teeth that is provided with that the second dwang is located the valve body, the part of first dwang be with the driven worm of second worm gear teeth looks meshing, be provided with the casing on the valve body, the rotatable actuating lever that is provided with on the casing, the actuating lever passes through the reduction gears drive the second dwang rotates.
The further improvement is that: the driving mechanism comprises a first gear, a second gear and a third gear, the first gear is fixedly arranged on the driving rod, the second gear and the third gear can be rotatably arranged on the shell, third worm gear teeth are fixedly arranged on the third gear, the part of the second rotating rod is a worm which is meshed with the third worm gear teeth for transmission, the first gear, the second gear and the third gear are sequentially meshed to achieve the effect of increasing the rotating speed, the driving rod is located a pointer is fixedly arranged outside the shell, and a mark matched with the pointer is arranged on the shell.
The further improvement is that: the check valve is characterized in that a sleeve is fixedly arranged on the valve body, a sliding rod is fixedly arranged on the left end face of the check valve plate, the sliding rod can be slidably arranged in the sleeve in a penetrating mode, a limiting nut is connected to the left end portion of the sliding rod in a threaded mode, and the right end face of the limiting nut can be abutted to the left end face of the sleeve.
The further improvement is that: the sliding rod is sleeved with a spring, and two ends of the spring are respectively resisted by the sleeve and the check valve plate.
The further improvement is that: the right end part of the check valve plate is a conical part with the diameter gradually increasing from right to left.
The further improvement is that: the valve body comprises a valve body and a communicating pipe, the water inlet channel and the water outlet channel are arranged on the valve body, the check valve is arranged on the communicating pipe, and the communicating pipe is fixedly connected with the valve body through hot melting.
The further improvement is that: the connecting pipe is fixedly provided with a plurality of guide rods, and the valve body is provided with guide holes for the guide rods to penetrate.
By adopting the technical scheme, the invention has the beneficial effects that: 1. the check valve can be freely controlled to act or not, the flexibility is strong, and the check valve is suitable for various pipeline conditions; 2. the opening and closing conditions of the check valve can be clearly observed, and operators can conveniently recognize the state of the valve. 3. The sensitivity of the check valve can be flexibly adjusted by adjusting the limit nut.
Drawings
Fig. 1 is a schematic structural view of a gate valve with a check valve according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1 in an embodiment of the invention.
FIG. 3 is an enlarged view of FIG. 2 illustrating an embodiment B of the present invention.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 to 3, the gate valve with a check valve disclosed in the embodiments of the present invention includes a valve body, the valve body includes a valve body 1 and a communicating pipe 2, and the communicating pipe 2 is fixedly connected to the valve body 1 through hot melting. The valve body 1 is provided with a water inlet passage 15 and a water outlet passage 14, a valve plate 11 which is arranged between the water inlet passage 15 and the water outlet passage 14 and used for controlling fluid is arranged, a valve rod 12 which is used for controlling the lifting of the valve plate 11 is arranged above the valve plate 11 and is positioned in the valve body, the lower end part of the valve rod 12 is a screw rod, the valve plate 11 is provided with a threaded hole for the penetration of the valve rod 12, the upper end part of the valve rod 12 penetrates out of the valve body 1, the upper end part of the valve rod 12 is provided with a steering wheel 13, the water inlet passage 15 is communicated with a communicating pipe 2, the communicating pipe 2 is provided with a check valve, the check valve comprises a connecting pipe 3, the connecting pipe 3 can slide left and right and is arranged in the communicating pipe 2, the left end part of the connecting pipe 3 is fixedly provided with a first limit boss 32, a second limit boss is arranged in the communicating pipe 2, and a first sealing ring 321 is arranged on the limit boss, the connecting pipe 3 is provided with a second sealing ring 31 to seal the connecting pipe 3 and the second limiting boss. A sleeve 43 is fixedly arranged in the communicating pipe 2 through a connecting rod, a slide rod 31 is penetrated through the sleeve 43 in a left-right sliding manner, a limit nut 44 is connected to the left end of the slide rod 31 in a threaded manner, the right end face of the limit nut 44 can be abutted against the left end face of the sleeve 43, a check valve plate 4 is fixedly arranged at the right end of the slide rod 31, a valve port is formed at the left side of the connecting pipe 3, the check valve plate 4 is arranged at the left side of the connecting pipe 3 and can seal the valve port, a first rotating rod 7 is rotatably arranged on the communicating pipe 2 through two bearings, a first worm gear 71 is fixedly arranged on the first rotating rod 7, a worm gear row which is matched and meshed with the first worm gear 71 is arranged on the connecting pipe 3, a second rotating rod 8 is rotatably arranged on the communicating pipe 2 through a bearing, and a second worm gear (not shown in the figure) is fixedly arranged at one section of the second rotating rod 8 positioned in the valve body, the part of the first rotating rod 7 is a worm in meshing transmission with the teeth of the second worm, the communicating pipe 2 is provided with a shell 5, the shell 5 is rotatably provided with a driving rod 6, the driving rod 6 is fixedly provided with a first gear 61, one end of the driving rod 6 is transmitted out of the shell 5, the shell 5 is internally rotatably provided with a second gear 62 and a third gear 63, the first gear 61, the second gear 62 and the third gear 63 are sequentially meshed and have progressively decreasing diameters, the third gear 63 is fixedly provided with third worm teeth (not shown in the figure), the part of the second rotating rod 8 is a worm in meshing transmission with the third worm teeth, the driving rod 6 is positioned outside the shell 5 and is fixedly provided with a pointer (not shown in the figure), and the shell 5 is provided with a mark (not shown in the figure) matched with the pointer.
In order to increase the check effect of the check valve, the sliding rod 31 is sleeved with a spring 42, and two ends of the spring 42 respectively oppose the sleeve 43 and the check valve plate 4.
In order to increase the sealing performance of the check valve, the right end of the check valve plate 4 is a tapered portion with a diameter gradually increasing from right to left.
In order to increase the stability of the connecting pipe 3 during sliding, four guide rods 33 are fixedly arranged on the connecting pipe 3, and a guide hole 34 is formed in the communicating pipe 2 for the guide rods 33 to penetrate.
In order to prevent the excessive operation, a first limiting block (not shown in the figure) is fixedly arranged on the driving rod 6, a second limiting block (not shown in the figure) and a third limiting block (not shown in the figure) are fixedly arranged on the shell 5, the first limiting block can be respectively abutted against the second limiting block and the third limiting block, and the first limiting block rotates in the range between the second limiting block and the third limiting block to prevent the connecting pipe 3 subjected to the excessive operation from sliding out of the communicating pipe 2.
When the check valve is needed, the driving rod 6 is rotated to drive the second rotating rod 8 to drive the first rotating rod 7 to rotate, the first rotating rod 7 drives the connecting pipe 3 to slide leftwards, the check valve plate 4 can seal the valve port, and the check valve can act. When the action of the check valve is not needed, the driving rod 6 is rotated reversely, so that the connecting pipe 3 slides rightwards, the check valve plate 4 cannot seal the valve port, the action of the common gate valve can be realized, and the two-way circulation of fluid is realized.
The operator can know whether the check valve is effective or not at the marked position through the pointer.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (9)
1. The utility model provides a take non return gate valve, includes the valve body, inlet channel and outlet channel have been seted up on the valve body, set up in inlet channel with be used for controlling fluidic valve plate between the outlet channel, the valve plate top is located the inside valve rod that is used for controlling the valve plate lift that is equipped with of valve body, it is provided with check valve, its characterized in that to lie in inlet channel or outlet channel on the valve body: the check valve comprises a connecting pipe and a check valve plate, the connecting pipe can be arranged in the valve body in a left-right sliding mode, the check valve plate can be movably arranged in the valve body, a valve port is formed in the left side of the connecting pipe, the check valve plate is arranged in the left side of the connecting pipe and can seal the valve port, a limiting mechanism for limiting the rightward moving range of the check valve plate is arranged between the check valve plate and the valve body, and an adjusting mechanism for controlling the position of the connecting pipe is arranged on the valve body.
2. A gate valve with check valve as claimed in claim 1, wherein: the adjusting mechanism comprises a first rotating rod movably arranged on the valve body, first worm gear teeth are fixedly arranged on the first rotating rod, a worm gear row meshed with the first worm gear teeth in a matched mode is arranged on the connecting pipe, and a driving mechanism used for controlling the first rotating rod to rotate is arranged on the valve body.
3. A gate valve with check valve as claimed in claim 2, wherein: the actuating mechanism includes the rotatable second dwang of wearing to locate the valve body, one section fixed second worm gear teeth that is provided with that the second dwang is located the valve body, the part of first dwang be with the driven worm of second worm gear teeth looks meshing, be provided with the casing on the valve body, the rotatable actuating lever that is provided with on the casing, the actuating lever passes through the reduction gears drive the second dwang rotates.
4. A gate valve with check valve as claimed in claim 3, wherein: the driving mechanism comprises a first gear, a second gear and a third gear, the first gear is fixedly arranged on the driving rod, the second gear and the third gear can be rotatably arranged on the shell, third worm gear teeth are fixedly arranged on the third gear, the part of the second rotating rod is a worm which is meshed with the third worm gear teeth for transmission, the first gear, the second gear and the third gear are sequentially meshed to achieve the effect of increasing the rotating speed, the driving rod is located a pointer is fixedly arranged outside the shell, and a mark matched with the pointer is arranged on the shell.
5. A gate valve with check valve as claimed in claim 1, wherein: the check valve is characterized in that a sleeve is fixedly arranged on the valve body, a sliding rod is fixedly arranged on the left end face of the check valve plate, the sliding rod can be slidably arranged in the sleeve in a penetrating mode, a limiting nut is connected to the left end portion of the sliding rod in a threaded mode, and the right end face of the limiting nut can be abutted to the left end face of the sleeve.
6. A gate valve with check according to claim 5, characterized in that: the sliding rod is sleeved with a spring, and two ends of the spring are respectively resisted by the sleeve and the check valve plate.
7. A gate valve with check valve as claimed in claim 1, wherein: the right end part of the check valve plate is a conical part with the diameter gradually increasing from right to left.
8. A gate valve with check valve as claimed in claim 1, wherein: the valve body comprises a valve body and a communicating pipe, the water inlet channel and the water outlet channel are arranged on the valve body, the check valve is arranged on the communicating pipe, and the communicating pipe is fixedly connected with the valve body through hot melting.
9. A gate valve with check valve as claimed in claim 1, wherein: the connecting pipe is fixedly provided with a plurality of guide rods, and the valve body is provided with guide holes for the guide rods to penetrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126685.XA CN111188929B (en) | 2020-02-28 | 2020-02-28 | Gate valve with check function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010126685.XA CN111188929B (en) | 2020-02-28 | 2020-02-28 | Gate valve with check function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111188929A CN111188929A (en) | 2020-05-22 |
| CN111188929B true CN111188929B (en) | 2021-08-24 |
Family
ID=70708407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010126685.XA Active CN111188929B (en) | 2020-02-28 | 2020-02-28 | Gate valve with check function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188929B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309867B (en) * | 2021-04-25 | 2023-06-06 | 津高阀门制造有限公司 | Groove gate valve with anti-leakage function |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201748014U (en) * | 2010-07-29 | 2011-02-16 | 宁波杰克龙阀门有限公司 | Gate valve with check double loose joints |
| CN104847926A (en) * | 2014-10-22 | 2015-08-19 | 青岛万力科技有限公司 | Stainless steel backflow prevention device with double non-return valves |
| DE102016120357B4 (en) * | 2016-10-25 | 2024-02-15 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | worm gear |
| CN107559466A (en) * | 2017-08-17 | 2018-01-09 | 张家港保税区贤德国际贸易有限公司 | A kind of anti-backflow valve pipe fitting |
| CN108061170B (en) * | 2018-01-15 | 2024-05-14 | 沪航科技集团有限公司 | Expansion band anti-interference gate valve |
| CN208431489U (en) * | 2018-06-14 | 2019-01-25 | 江苏宝地管业有限公司 | A kind of pipeline of adjustable in length |
| CN209180426U (en) * | 2018-12-10 | 2019-07-30 | 辽宁孚泰化工机械有限公司 | Valve rubber compensation type one-way valve |
| CN209970779U (en) * | 2019-02-19 | 2020-01-21 | 深圳市创智中科智能科技有限公司 | Mobile robot and mobile robot control system |
| CN110107718B (en) * | 2019-04-28 | 2020-06-09 | 博工阀门有限公司 | Axial flow type check valve |
-
2020
- 2020-02-28 CN CN202010126685.XA patent/CN111188929B/en active Active
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| Publication number | Publication date |
|---|---|
| CN111188929A (en) | 2020-05-22 |
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